#include <cmath>
#include <math.h>
#ifdef _MSC_VER
#include <intrin.h>
#else
#include <strings.h>
#endif
#include "Air.h"
#include "Config.h"
#include "CoordStack.h"
#include "Elements.h"
#include "elements/Element.h"
#include "Gravity.h"
#include "Sample.h"
#include "Simulation.h"
#include "Snapshot.h"
#include "Misc.h"
#include "ToolClasses.h"
#include "client/GameSave.h"
#include "common/tpt-minmax.h"
#include "gui/game/Brush.h"
#ifdef LUACONSOLE
#include "lua/LuaScriptInterface.h"
#include "lua/LuaScriptHelper.h"
#endif
int Simulation::Load(GameSave * save, bool includePressure)
{
return Load(0, 0, save, includePressure);
}
int Simulation::Load(int fullX, int fullY, GameSave * save, bool includePressure)
{
int blockX, blockY, x, y, r;
if (!save)
return 1;
try
{
save->Expand();
}
catch (ParseException)
{
return 1;
}
//Align to blockMap
blockX = (fullX + CELL/2)/CELL;
blockY = (fullY + CELL/2)/CELL;
fullX = blockX*CELL;
fullY = blockY*CELL;
int partMap[PT_NUM];
for(int i = 0; i < PT_NUM; i++)
{
partMap[i] = i;
}
if(save->palette.size())
{
for(std::vector<GameSave::PaletteItem>::iterator iter = save->palette.begin(), end = save->palette.end(); iter != end; ++iter)
{
GameSave::PaletteItem pi = *iter;
if (pi.second > 0 && pi.second < PT_NUM)
{
int myId = 0;
for (int i = 0; i < PT_NUM; i++)
{
if (elements[i].Enabled && elements[i].Identifier == pi.first)
myId = i;
}
// if this is a custom element, set the ID to the ID we found when comparing identifiers in the palette map
// set type to 0 if we couldn't find an element with that identifier present when loading,
// unless this is a default element, in which case keep the current ID, because otherwise when an element is renamed it wouldn't show up anymore in older saves
if (myId != 0 || pi.first.find("DEFAULT_PT_") != 0)
partMap[pi.second] = myId;
}
}
}
int i;
for(int n = 0; n < NPART && n < save->particlesCount; n++)
{
Particle tempPart = save->particles[n];
tempPart.x += (float)fullX;
tempPart.y += (float)fullY;
x = int(tempPart.x + 0.5f);
y = int(tempPart.y + 0.5f);
if (tempPart.type >= 0 && tempPart.type < PT_NUM)
tempPart.type = partMap[tempPart.type];
else
continue;
if ((player.spwn == 1 && tempPart.type==PT_STKM) || (player2.spwn == 1 && tempPart.type==PT_STKM2))
continue;
if ((tempPart.type == PT_SPAWN && elementCount[PT_SPAWN]) || (tempPart.type == PT_SPAWN2 && elementCount[PT_SPAWN2]))
continue;
if (!elements[tempPart.type].Enabled)
continue;
if (tempPart.ctype > 0 && tempPart.ctype < PT_NUM)
if (tempPart.type == PT_CLNE || tempPart.type == PT_PCLN || tempPart.type == PT_BCLN || tempPart.type == PT_PBCN || tempPart.type == PT_STOR || tempPart.type == PT_CONV || tempPart.type == PT_STKM || tempPart.type == PT_STKM2 || tempPart.type == PT_FIGH || tempPart.type == PT_LAVA || tempPart.type == PT_SPRK || tempPart.type == PT_PSTN || tempPart.type == PT_CRAY || tempPart.type == PT_DTEC || tempPart.type == PT_DRAY)
{
tempPart.ctype = partMap[tempPart.ctype];
}
if (tempPart.type == PT_PIPE || tempPart.type == PT_PPIP || tempPart.type == PT_STOR)
{
tempPart.tmp = partMap[tempPart.tmp&0xFF] | (tempPart.tmp&~0xFF);
}
if (tempPart.type == PT_VIRS || tempPart.type == PT_VRSG || tempPart.type == PT_VRSS)
{
if (tempPart.tmp2 > 0 && tempPart.tmp2 < PT_NUM)
tempPart.tmp2 = partMap[tempPart.tmp2];
}
//Replace existing
if ((r = pmap[y][x]))
{
elementCount[parts[r>>8].type]--;
parts[r>>8] = tempPart;
i = r>>8;
pmap[y][x] = 0;
elementCount[tempPart.type]++;
}
else if ((r = photons[y][x]))
{
elementCount[parts[r>>8].type]--;
parts[r>>8] = tempPart;
i = r>>8;
photons[y][x] = 0;
elementCount[tempPart.type]++;
}
//Allocate new particle
else
{
if (pfree == -1)
break;
i = pfree;
pfree = parts[i].life;
if (i>parts_lastActiveIndex) parts_lastActiveIndex = i;
parts[i] = tempPart;
elementCount[tempPart.type]++;
}
if (parts[i].type == PT_STKM)
{
Element_STKM::STKM_init_legs(this, &player, i);
player.spwn = 1;
player.elem = PT_DUST;
player.rocketBoots = false;
}
else if (parts[i].type == PT_STKM2)
{
Element_STKM::STKM_init_legs(this, &player2, i);
player2.spwn = 1;
player2.elem = PT_DUST;
player2.rocketBoots = false;
}
else if (parts[i].type == PT_SPAWN)
{
player.spawnID = i;
}
else if (parts[i].type == PT_SPAWN2)
{
player2.spawnID = i;
}
else if (parts[i].type == PT_FIGH)
{
for (int fcount = 0; fcount < MAX_FIGHTERS; fcount++)
{
if(!fighters[fcount].spwn)
{
fighcount++;
//currentPart.tmp = fcount;
parts[i].tmp = fcount;
Element_STKM::STKM_init_legs(this, &(fighters[fcount]), i);
fighters[fcount].spwn = 1;
fighters[fcount].elem = PT_DUST;
break;
}
}
}
}
parts_lastActiveIndex = NPART-1;
force_stacking_check = true;
Element_PPIP::ppip_changed = 1;
for (size_t i = 0; i < save->signs.size() && signs.size() < MAXSIGNS; i++)
{
if (save->signs[i].text[0])
{
sign tempSign = save->signs[i];
tempSign.x += fullX;
tempSign.y += fullY;
signs.push_back(tempSign);
}
}
for(int saveBlockX = 0; saveBlockX < save->blockWidth; saveBlockX++)
{
for(int saveBlockY = 0; saveBlockY < save->blockHeight; saveBlockY++)
{
if(save->blockMap[saveBlockY][saveBlockX])
{
bmap[saveBlockY+blockY][saveBlockX+blockX] = save->blockMap[saveBlockY][saveBlockX];
fvx[saveBlockY+blockY][saveBlockX+blockX] = save->fanVelX[saveBlockY][saveBlockX];
fvy[saveBlockY+blockY][saveBlockX+blockX] = save->fanVelY[saveBlockY][saveBlockX];
}
if (includePressure)
{
pv[saveBlockY+blockY][saveBlockX+blockX] = save->pressure[saveBlockY][saveBlockX];
vx[saveBlockY+blockY][saveBlockX+blockX] = save->velocityX[saveBlockY][saveBlockX];
vy[saveBlockY+blockY][saveBlockX+blockX] = save->velocityY[saveBlockY][saveBlockX];
if (save->hasAmbientHeat)
hv[saveBlockY+blockY][saveBlockX+blockX] = save->ambientHeat[saveBlockY][saveBlockX];
}
}
}
gravWallChanged = true;
air->RecalculateBlockAirMaps();
return 0;
}
GameSave * Simulation::Save(bool includePressure)
{
return Save(0, 0, XRES-1, YRES-1, includePressure);
}
GameSave * Simulation::Save(int fullX, int fullY, int fullX2, int fullY2, bool includePressure)
{
int blockX, blockY, blockX2, blockY2, blockW, blockH;
//Normalise incoming coords
int swapTemp;
if(fullY>fullY2)
{
swapTemp = fullY;
fullY = fullY2;
fullY2 = swapTemp;
}
if(fullX>fullX2)
{
swapTemp = fullX;
fullX = fullX2;
fullX2 = swapTemp;
}
//Align coords to blockMap
blockX = fullX/CELL;
blockY = fullY/CELL;
blockX2 = (fullX2+CELL)/CELL;
blockY2 = (fullY2+CELL)/CELL;
blockW = blockX2-blockX;
blockH = blockY2-blockY;
GameSave * newSave = new GameSave(blockW, blockH);
int storedParts = 0;
int elementCount[PT_NUM];
std::fill(elementCount, elementCount+PT_NUM, 0);
for(int i = 0; i < NPART; i++)
{
int x, y;
x = int(parts[i].x + 0.5f);
y = int(parts[i].y + 0.5f);
if(parts[i].type && x >= fullX && y >= fullY && x <= fullX2 && y <= fullY2)
{
Particle tempPart = parts[i];
tempPart.x -= blockX*CELL;
tempPart.y -= blockY*CELL;
if(elements[tempPart.type].Enabled)
{
*newSave << tempPart;
storedParts++;
elementCount[tempPart.type]++;
}
}
}
if(storedParts)
{
for(int i = 0; i < PT_NUM; i++)
{
if(elements[i].Enabled && elementCount[i])
{
newSave->palette.push_back(GameSave::PaletteItem(elements[i].Identifier, i));
}
}
}
for (size_t i = 0; i < MAXSIGNS && i < signs.size(); i++)
{
if(signs[i].text.length() && signs[i].x >= fullX && signs[i].y >= fullY && signs[i].x <= fullX2 && signs[i].y <= fullY2)
{
sign tempSign = signs[i];
tempSign.x -= blockX*CELL;
tempSign.y -= blockY*CELL;
*newSave << tempSign;
}
}
for(int saveBlockX = 0; saveBlockX < newSave->blockWidth; saveBlockX++)
{
for(int saveBlockY = 0; saveBlockY < newSave->blockHeight; saveBlockY++)
{
if(bmap[saveBlockY+blockY][saveBlockX+blockX])
{
newSave->blockMap[saveBlockY][saveBlockX] = bmap[saveBlockY+blockY][saveBlockX+blockX];
newSave->fanVelX[saveBlockY][saveBlockX] = fvx[saveBlockY+blockY][saveBlockX+blockX];
newSave->fanVelY[saveBlockY][saveBlockX] = fvy[saveBlockY+blockY][saveBlockX+blockX];
}
if (includePressure)
{
newSave->pressure[saveBlockY][saveBlockX] = pv[saveBlockY+blockY][saveBlockX+blockX];
newSave->velocityX[saveBlockY][saveBlockX] = vx[saveBlockY+blockY][saveBlockX+blockX];
newSave->velocityY[saveBlockY][saveBlockX] = vy[saveBlockY+blockY][saveBlockX+blockX];
newSave->ambientHeat[saveBlockY][saveBlockX] = hv[saveBlockY+blockY][saveBlockX+blockX];
newSave->hasAmbientHeat = true;
}
}
}
SaveSimOptions(newSave);
return newSave;
}
void Simulation::SaveSimOptions(GameSave * gameSave)
{
if (!gameSave)
return;
gameSave->gravityMode = gravityMode;
gameSave->airMode = air->airMode;
gameSave->edgeMode = edgeMode;
gameSave->legacyEnable = legacy_enable;
gameSave->waterEEnabled = water_equal_test;
gameSave->gravityEnable = grav->ngrav_enable;
gameSave->aheatEnable = aheat_enable;
}
Snapshot * Simulation::CreateSnapshot()
{
Snapshot * snap = new Snapshot();
snap->AirPressure.insert(snap->AirPressure.begin(), &pv[0][0], &pv[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->AirVelocityX.insert(snap->AirVelocityX.begin(), &vx[0][0], &vx[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->AirVelocityY.insert(snap->AirVelocityY.begin(), &vy[0][0], &vy[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->AmbientHeat.insert(snap->AmbientHeat.begin(), &hv[0][0], &hv[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->Particles.insert(snap->Particles.begin(), parts, parts+parts_lastActiveIndex+1);
snap->PortalParticles.insert(snap->PortalParticles.begin(), &portalp[0][0][0], &portalp[CHANNELS-1][8-1][80-1]);
snap->WirelessData.insert(snap->WirelessData.begin(), &wireless[0][0], &wireless[CHANNELS-1][2-1]);
snap->GravVelocityX.insert(snap->GravVelocityX.begin(), gravx, gravx+((XRES/CELL)*(YRES/CELL)));
snap->GravVelocityY.insert(snap->GravVelocityY.begin(), gravy, gravy+((XRES/CELL)*(YRES/CELL)));
snap->GravValue.insert(snap->GravValue.begin(), gravp, gravp+((XRES/CELL)*(YRES/CELL)));
snap->GravMap.insert(snap->GravMap.begin(), gravmap, gravmap+((XRES/CELL)*(YRES/CELL)));
snap->BlockMap.insert(snap->BlockMap.begin(), &bmap[0][0], &bmap[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->ElecMap.insert(snap->ElecMap.begin(), &emap[0][0], &emap[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->FanVelocityX.insert(snap->FanVelocityX.begin(), &fvx[0][0], &fvx[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->FanVelocityY.insert(snap->FanVelocityY.begin(), &fvy[0][0], &fvy[0][0]+((XRES/CELL)*(YRES/CELL)));
snap->stickmen.push_back(player2);
snap->stickmen.push_back(player);
snap->stickmen.insert(snap->stickmen.begin(), &fighters[0], &fighters[MAX_FIGHTERS]);
snap->signs = signs;
return snap;
}
void Simulation::Restore(const Snapshot & snap)
{
parts_lastActiveIndex = NPART-1;
elementRecount = true;
force_stacking_check = true;
std::copy(snap.AirPressure.begin(), snap.AirPressure.end(), &pv[0][0]);
std::copy(snap.AirVelocityX.begin(), snap.AirVelocityX.end(), &vx[0][0]);
std::copy(snap.AirVelocityY.begin(), snap.AirVelocityY.end(), &vy[0][0]);
std::copy(snap.AmbientHeat.begin(), snap.AmbientHeat.end(), &hv[0][0]);
for (int i = 0; i < NPART; i++)
parts[i].type = 0;
std::copy(snap.Particles.begin(), snap.Particles.end(), parts);
parts_lastActiveIndex = NPART-1;
RecalcFreeParticles(false);
std::copy(snap.PortalParticles.begin(), snap.PortalParticles.end(), &portalp[0][0][0]);
std::copy(snap.WirelessData.begin(), snap.WirelessData.end(), &wireless[0][0]);
if (grav->ngrav_enable)
{
std::copy(snap.GravVelocityX.begin(), snap.GravVelocityX.end(), gravx);
std::copy(snap.GravVelocityY.begin(), snap.GravVelocityY.end(), gravy);
std::copy(snap.GravValue.begin(), snap.GravValue.end(), gravp);
std::copy(snap.GravMap.begin(), snap.GravMap.end(), gravmap);
}
std::copy(snap.BlockMap.begin(), snap.BlockMap.end(), &bmap[0][0]);
std::copy(snap.ElecMap.begin(), snap.ElecMap.end(), &emap[0][0]);
std::copy(snap.FanVelocityX.begin(), snap.FanVelocityX.end(), &fvx[0][0]);
std::copy(snap.FanVelocityY.begin(), snap.FanVelocityY.end(), &fvy[0][0]);
std::copy(snap.stickmen.begin(), snap.stickmen.end()-2, &fighters[0]);
player = snap.stickmen[snap.stickmen.size()-1];
player2 = snap.stickmen[snap.stickmen.size()-2];
signs = snap.signs;
}
void Simulation::clear_area(int area_x, int area_y, int area_w, int area_h)
{
float fx = area_x-.5f, fy = area_y-.5f;
for (int i = 0; i <= parts_lastActiveIndex; i++)
{
if (parts[i].type)
if (parts[i].x >= fx && parts[i].x <= fx+area_w+1 && parts[i].y >= fy && parts[i].y <= fy+area_h+1)
kill_part(i);
}
int cx1 = area_x/CELL, cy1 = area_y/CELL, cx2 = (area_x+area_w)/CELL, cy2 = (area_y+area_h)/CELL;
for (int y = cy1; y <= cy2; y++)
{
for (int x = cx1; x <= cx2; x++)
{
if (bmap[y][x] == WL_GRAV)
gravWallChanged = true;
bmap[y][x] = 0;
emap[y][x] = 0;
}
}
for( int i = signs.size()-1; i >= 0; i--)
{
if (signs[i].text.length() && signs[i].x >= area_x && signs[i].y >= area_y && signs[i].x <= area_x+area_w && signs[i].y <= area_y+area_h)
{
signs.erase(signs.begin()+i);
}
}
}
bool Simulation::FloodFillPmapCheck(int x, int y, int type)
{
if (type == 0)
return !pmap[y][x] && !photons[y][x];
if (elements[type].Properties&TYPE_ENERGY)
return (photons[y][x]&0xFF) == type;
else
return (pmap[y][x]&0xFF) == type;
}
int Simulation::flood_prop(int x, int y, size_t propoffset, PropertyValue propvalue, StructProperty::PropertyType proptype)
{
int i, x1, x2, dy = 1;
int did_something = 0;
int r = pmap[y][x];
if (!r)
r = photons[y][x];
if (!r)
return 0;
int parttype = (r&0xFF);
char * bitmap = (char*)malloc(XRES*YRES); //Bitmap for checking
if (!bitmap) return -1;
memset(bitmap, 0, XRES*YRES);
try
{
CoordStack cs;
cs.push(x, y);
do
{
cs.pop(x, y);
x1 = x2 = x;
while (x1>=CELL)
{
if (!FloodFillPmapCheck(x1-1, y, parttype) || bitmap[(y*XRES)+x1-1])
break;
x1--;
}
while (x2<XRES-CELL)
{
if (!FloodFillPmapCheck(x2+1, y, parttype) || bitmap[(y*XRES)+x2+1])
break;
x2++;
}
for (x=x1; x<=x2; x++)
{
i = pmap[y][x];
if (!i)
i = photons[y][x];
if (!i)
continue;
switch (proptype) {
case StructProperty::Float:
*((float*)(((char*)&parts[i>>8])+propoffset)) = propvalue.Float;
break;
case StructProperty::ParticleType:
case StructProperty::Integer:
*((int*)(((char*)&parts[i>>8])+propoffset)) = propvalue.Integer;
break;
case StructProperty::UInteger:
*((unsigned int*)(((char*)&parts[i>>8])+propoffset)) = propvalue.UInteger;
break;
default:
break;
}
bitmap[(y*XRES)+x] = 1;
did_something = 1;
}
if (y>=CELL+dy)
for (x=x1; x<=x2; x++)
if (FloodFillPmapCheck(x, y-dy, parttype) && !bitmap[((y-dy)*XRES)+x])
cs.push(x, y-dy);
if (y<YRES-CELL-dy)
for (x=x1; x<=x2; x++)
if (FloodFillPmapCheck(x, y+dy, parttype) && !bitmap[((y+dy)*XRES)+x])
cs.push(x, y+dy);
} while (cs.getSize()>0);
}
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
free(bitmap);
return -1;
}
free(bitmap);
return did_something;
}
SimulationSample Simulation::GetSample(int x, int y)
{
SimulationSample sample;
sample.PositionX = x;
sample.PositionY = y;
if (x >= 0 && x < XRES && y >= 0 && y < YRES)
{
if (photons[y][x])
{
sample.particle = parts[photons[y][x]>>8];
sample.ParticleID = photons[y][x]>>8;
}
else if (pmap[y][x])
{
sample.particle = parts[pmap[y][x]>>8];
sample.ParticleID = pmap[y][x]>>8;
}
if (bmap[y/CELL][x/CELL])
{
sample.WallType = bmap[y/CELL][x/CELL];
}
sample.AirPressure = pv[y/CELL][x/CELL];
sample.AirTemperature = hv[y/CELL][x/CELL];
sample.AirVelocityX = vx[y/CELL][x/CELL];
sample.AirVelocityY = vy[y/CELL][x/CELL];
if(grav->ngrav_enable)
{
sample.Gravity = gravp[(y/CELL)*(XRES/CELL)+(x/CELL)];
sample.GravityVelocityX = gravx[(y/CELL)*(XRES/CELL)+(x/CELL)];
sample.GravityVelocityY = gravy[(y/CELL)*(XRES/CELL)+(x/CELL)];
}
}
else
sample.isMouseInSim = false;
sample.NumParts = NUM_PARTS;
return sample;
}
#define PMAP_CMP_CONDUCTIVE(pmap, t) (((pmap)&0xFF)==(t) || (((pmap)&0xFF)==PT_SPRK && parts[(pmap)>>8].ctype==(t)))
int Simulation::FloodINST(int x, int y, int fullc, int cm)
{
int c = fullc&0xFF;
int x1, x2;
int coord_stack_limit = XRES*YRES;
unsigned short (*coord_stack)[2];
int coord_stack_size = 0;
int created_something = 0;
if (c>=PT_NUM)
return 0;
if (cm==-1)
{
if (c==0)
{
cm = pmap[y][x]&0xFF;
if (!cm)
return 0;
}
else
cm = 0;
}
if ((pmap[y][x]&0xFF)!=cm || parts[pmap[y][x]>>8].life!=0)
return 1;
coord_stack = (short unsigned int (*)[2])malloc(sizeof(unsigned short)*2*coord_stack_limit);
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y;
coord_stack_size++;
do
{
coord_stack_size--;
x = coord_stack[coord_stack_size][0];
y = coord_stack[coord_stack_size][1];
x1 = x2 = x;
// go left as far as possible
while (x1>=CELL)
{
if ((pmap[y][x1-1]&0xFF)!=cm || parts[pmap[y][x1-1]>>8].life!=0)
{
break;
}
x1--;
}
// go right as far as possible
while (x2<XRES-CELL)
{
if ((pmap[y][x2+1]&0xFF)!=cm || parts[pmap[y][x2+1]>>8].life!=0)
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
if (create_part(-1, x, y, c, fullc>>8)>=0)
created_something = 1;
}
// add vertically adjacent pixels to stack
// (wire crossing for INST)
if (y>=CELL+1 && x1==x2 &&
PMAP_CMP_CONDUCTIVE(pmap[y-1][x1-1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y-1][x1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y-1][x1+1], cm) &&
!PMAP_CMP_CONDUCTIVE(pmap[y-2][x1-1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y-2][x1], cm) && !PMAP_CMP_CONDUCTIVE(pmap[y-2][x1+1], cm))
{
// travelling vertically up, skipping a horizontal line
if ((pmap[y-2][x1]&0xFF)==cm && !parts[pmap[y-2][x1]>>8].life)
{
coord_stack[coord_stack_size][0] = x1;
coord_stack[coord_stack_size][1] = y-2;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
}
else if (y>=CELL+1)
{
for (x=x1; x<=x2; x++)
{
if ((pmap[y-1][x]&0xFF)==cm && !parts[pmap[y-1][x]>>8].life)
{
if (x==x1 || x==x2 || y>=YRES-CELL-1 || !PMAP_CMP_CONDUCTIVE(pmap[y+1][x], cm) || PMAP_CMP_CONDUCTIVE(pmap[y+1][x+1], cm) || PMAP_CMP_CONDUCTIVE(pmap[y+1][x-1], cm))
{
// if at the end of a horizontal section, or if it's a T junction or not a 1px wire crossing
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y-1;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
}
}
}
if (y<YRES-CELL-1 && x1==x2 &&
PMAP_CMP_CONDUCTIVE(pmap[y+1][x1-1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y+1][x1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y+1][x1+1], cm) &&
!PMAP_CMP_CONDUCTIVE(pmap[y+2][x1-1], cm) && PMAP_CMP_CONDUCTIVE(pmap[y+2][x1], cm) && !PMAP_CMP_CONDUCTIVE(pmap[y+2][x1+1], cm))
{
// travelling vertically down, skipping a horizontal line
if ((pmap[y+2][x1]&0xFF)==cm && !parts[pmap[y+2][x1]>>8].life)
{
coord_stack[coord_stack_size][0] = x1;
coord_stack[coord_stack_size][1] = y+2;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
}
else if (y<YRES-CELL-1)
{
for (x=x1; x<=x2; x++)
{
if ((pmap[y+1][x]&0xFF)==cm && !parts[pmap[y+1][x]>>8].life)
{
if (x==x1 || x==x2 || y<0 || !PMAP_CMP_CONDUCTIVE(pmap[y-1][x], cm) || PMAP_CMP_CONDUCTIVE(pmap[y-1][x+1], cm) || PMAP_CMP_CONDUCTIVE(pmap[y-1][x-1], cm))
{
// if at the end of a horizontal section, or if it's a T junction or not a 1px wire crossing
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y+1;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
}
}
}
} while (coord_stack_size>0);
free(coord_stack);
return created_something;
}
int Simulation::flood_water(int x, int y, int i, int originaly, int check)
{
int x1 = 0,x2 = 0;
// go left as far as possible
x1 = x2 = x;
if (!pmap[y][x])
return 1;
while (x1>=CELL)
{
if ((elements[(pmap[y][x1-1]&0xFF)].Falldown)!=2)
{
break;
}
x1--;
}
while (x2<XRES-CELL)
{
if ((elements[(pmap[y][x2+1]&0xFF)].Falldown)!=2)
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
if (check)
parts[pmap[y][x]>>8].flags &= ~FLAG_WATEREQUAL;//flag it as checked (different from the original particle's checked flag)
else
parts[pmap[y][x]>>8].flags |= FLAG_WATEREQUAL;
//check above, maybe around other sides too?
if ( ((y-1) > originaly) && !pmap[y-1][x] && eval_move(parts[i].type, x, y-1, NULL))
{
int oldx = (int)(parts[i].x + 0.5f);
int oldy = (int)(parts[i].y + 0.5f);
pmap[y-1][x] = pmap[oldy][oldx];
pmap[oldy][oldx] = 0;
parts[i].x = x;
parts[i].y = y-1;
return 0;
}
}
// fill children
if (y>=CELL+1)
for (x=x1; x<=x2; x++)
if ((elements[(pmap[y-1][x]&0xFF)].Falldown)==2 && (parts[pmap[y-1][x]>>8].flags & FLAG_WATEREQUAL) == check)
if (!flood_water(x, y-1, i, originaly, check))
return 0;
if (y<YRES-CELL-1)
for (x=x1; x<=x2; x++)
if ((elements[(pmap[y+1][x]&0xFF)].Falldown)==2 && (parts[pmap[y+1][x]>>8].flags & FLAG_WATEREQUAL) == check)
if (!flood_water(x, y+1, i, originaly, check))
return 0;
return 1;
}
void Simulation::SetEdgeMode(int newEdgeMode)
{
edgeMode = newEdgeMode;
switch(edgeMode)
{
case 0:
case 2:
for(int i = 0; i<(XRES/CELL); i++)
{
bmap[0][i] = 0;
bmap[YRES/CELL-1][i] = 0;
}
for(int i = 1; i<((YRES/CELL)-1); i++)
{
bmap[i][0] = 0;
bmap[i][XRES/CELL-1] = 0;
}
break;
case 1:
int i;
for(i=0; i<(XRES/CELL); i++)
{
bmap[0][i] = WL_WALL;
bmap[YRES/CELL-1][i] = WL_WALL;
}
for(i=1; i<((YRES/CELL)-1); i++)
{
bmap[i][0] = WL_WALL;
bmap[i][XRES/CELL-1] = WL_WALL;
}
break;
default:
SetEdgeMode(0);
}
}
void Simulation::ApplyDecoration(int x, int y, int colR_, int colG_, int colB_, int colA_, int mode)
{
int rp;
float tr, tg, tb, ta, colR = colR_, colG = colG_, colB = colB_, colA = colA_;
float strength = 0.01f;
rp = pmap[y][x];
if (!rp)
rp = photons[y][x];
if (!rp)
return;
ta = (parts[rp>>8].dcolour>>24)&0xFF;
tr = (parts[rp>>8].dcolour>>16)&0xFF;
tg = (parts[rp>>8].dcolour>>8)&0xFF;
tb = (parts[rp>>8].dcolour)&0xFF;
ta /= 255.0f; tr /= 255.0f; tg /= 255.0f; tb /= 255.0f;
colR /= 255.0f; colG /= 255.0f; colB /= 255.0f; colA /= 255.0f;
if (mode == DECO_DRAW)
{
ta = colA;
tr = colR;
tg = colG;
tb = colB;
}
else if (mode == DECO_CLEAR)
{
ta = tr = tg = tb = 0.0f;
}
else if (mode == DECO_ADD)
{
//ta += (colA*strength)*colA;
tr += (colR*strength)*colA;
tg += (colG*strength)*colA;
tb += (colB*strength)*colA;
}
else if (mode == DECO_SUBTRACT)
{
//ta -= (colA*strength)*colA;
tr -= (colR*strength)*colA;
tg -= (colG*strength)*colA;
tb -= (colB*strength)*colA;
}
else if (mode == DECO_MULTIPLY)
{
tr *= 1.0f+(colR*strength)*colA;
tg *= 1.0f+(colG*strength)*colA;
tb *= 1.0f+(colB*strength)*colA;
}
else if (mode == DECO_DIVIDE)
{
tr /= 1.0f+(colR*strength)*colA;
tg /= 1.0f+(colG*strength)*colA;
tb /= 1.0f+(colB*strength)*colA;
}
else if (mode == DECO_SMUDGE)
{
if (x >= CELL && x < XRES-CELL && y >= CELL && y < YRES-CELL)
{
float tas = 0.0f, trs = 0.0f, tgs = 0.0f, tbs = 0.0f;
int rx, ry;
float num = 0;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; ry++)
{
if (abs(rx)+abs(ry) > 2 && (pmap[y+ry][x+rx]&0xFF) && parts[pmap[y+ry][x+rx]>>8].dcolour)
{
Particle part = parts[pmap[y+ry][x+rx]>>8];
num += 1.0f;
tas += ((float)((part.dcolour>>24)&0xFF));
trs += ((float)((part.dcolour>>16)&0xFF));
tgs += ((float)((part.dcolour>>8)&0xFF));
tbs += ((float)((part.dcolour)&0xFF));
}
}
if (num == 0)
return;
ta = (tas/num)/255.0f;
tr = (trs/num)/255.0f;
tg = (tgs/num)/255.0f;
tb = (tbs/num)/255.0f;
if (!parts[rp>>8].dcolour)
ta -= 3/255.0f;
}
}
ta *= 255.0f; tr *= 255.0f; tg *= 255.0f; tb *= 255.0f;
ta += .5f; tr += .5f; tg += .5f; tb += .5f;
colA_ = ta;
colR_ = tr;
colG_ = tg;
colB_ = tb;
if(colA_ > 255)
colA_ = 255;
else if(colA_ < 0)
colA_ = 0;
if(colR_ > 255)
colR_ = 255;
else if(colR_ < 0)
colR_ = 0;
if(colG_ > 255)
colG_ = 255;
else if(colG_ < 0)
colG_ = 0;
if(colB_ > 255)
colB_ = 255;
else if(colB_ < 0)
colB_ = 0;
parts[rp>>8].dcolour = ((colA_<<24)|(colR_<<16)|(colG_<<8)|colB_);
}
void Simulation::ApplyDecorationPoint(int positionX, int positionY, int colR, int colG, int colB, int colA, int mode, Brush * cBrush)
{
if(cBrush)
{
int radiusX = cBrush->GetRadius().X, radiusY = cBrush->GetRadius().Y, sizeX = cBrush->GetSize().X, sizeY = cBrush->GetSize().Y;
unsigned char *bitmap = cBrush->GetBitmap();
for(int y = 0; y < sizeY; y++)
{
for(int x = 0; x < sizeX; x++)
{
if(bitmap[(y*sizeX)+x] && (positionX+(x-radiusX) >= 0 && positionY+(y-radiusY) >= 0 && positionX+(x-radiusX) < XRES && positionY+(y-radiusY) < YRES))
{
ApplyDecoration(positionX+(x-radiusX), positionY+(y-radiusY), colR, colG, colB, colA, mode);
}
}
}
}
}
void Simulation::ApplyDecorationLine(int x1, int y1, int x2, int y2, int colR, int colG, int colB, int colA, int mode, Brush * cBrush)
{
bool reverseXY = abs(y2-y1) > abs(x2-x1);
int x, y, dx, dy, sy, rx, ry;
float e = 0.0f, de;
if(cBrush)
{
rx = cBrush->GetRadius().X;
ry = cBrush->GetRadius().Y;
}
if (reverseXY)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if (x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
if (dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for (x=x1; x<=x2; x++)
{
if (reverseXY)
ApplyDecorationPoint(y, x, colR, colG, colB, colA, mode, cBrush);
else
ApplyDecorationPoint(x, y, colR, colG, colB, colA, mode, cBrush);
e += de;
if (e >= 0.5f)
{
y += sy;
if (!(rx+ry))
{
if (reverseXY)
ApplyDecorationPoint(y, x, colR, colG, colB, colA, mode, cBrush);
else
ApplyDecorationPoint(x, y, colR, colG, colB, colA, mode, cBrush);
}
e -= 1.0f;
}
}
}
void Simulation::ApplyDecorationBox(int x1, int y1, int x2, int y2, int colR, int colG, int colB, int colA, int mode)
{
int i, j;
if (x1>x2)
{
i = x2;
x2 = x1;
x1 = i;
}
if (y1>y2)
{
j = y2;
y2 = y1;
y1 = j;
}
for (j=y1; j<=y2; j++)
for (i=x1; i<=x2; i++)
ApplyDecoration(i, j, colR, colG, colB, colA, mode);
}
bool Simulation::ColorCompare(Renderer *ren, int x, int y, int replaceR, int replaceG, int replaceB)
{
pixel pix = ren->vid[x+y*WINDOWW];
int r = PIXR(pix);
int g = PIXG(pix);
int b = PIXB(pix);
int diff = std::abs(replaceR-r) + std::abs(replaceG-g) + std::abs(replaceB-b);
return diff < 15;
}
void Simulation::ApplyDecorationFill(Renderer *ren, int x, int y, int colR, int colG, int colB, int colA, int replaceR, int replaceG, int replaceB)
{
int x1, x2;
char *bitmap = (char*)malloc(XRES*YRES); //Bitmap for checking
if (!bitmap)
return;
memset(bitmap, 0, XRES*YRES);
if (!ColorCompare(ren, x, y, replaceR, replaceG, replaceB)) {
free(bitmap);
return;
}
try
{
CoordStack cs;
cs.push(x, y);
do
{
cs.pop(x, y);
x1 = x2 = x;
// go left as far as possible
while (x1>0)
{
if (bitmap[(x1-1)+y*XRES] || !ColorCompare(ren, x1-1, y, replaceR, replaceG, replaceB))
{
break;
}
x1--;
}
// go right as far as possible
while (x2<XRES-1)
{
if (bitmap[(x1+1)+y*XRES] || !ColorCompare(ren, x2+1, y, replaceR, replaceG, replaceB))
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
ApplyDecoration(x, y, colR, colG, colB, colA, DECO_DRAW);
bitmap[x+y*XRES] = 1;
}
if (y >= 1)
for (x=x1; x<=x2; x++)
if (!bitmap[x+(y-1)*XRES] && ColorCompare(ren, x, y-1, replaceR, replaceG, replaceB))
cs.push(x, y-1);
if (y < YRES-1)
for (x=x1; x<=x2; x++)
if (!bitmap[x+(y+1)*XRES] && ColorCompare(ren, x, y+1, replaceR, replaceG, replaceB))
cs.push(x, y+1);
} while (cs.getSize() > 0);
}
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
free(bitmap);
return;
}
free(bitmap);
}
int Simulation::Tool(int x, int y, int tool, float strength)
{
if(tools[tool])
{
Particle * cpart = NULL;
int r;
if ((r = pmap[y][x]))
cpart = &(parts[r>>8]);
else if ((r = photons[y][x]))
cpart = &(parts[r>>8]);
return tools[tool]->Perform(this, cpart, x, y, strength);
}
return 0;
}
int Simulation::ToolBrush(int positionX, int positionY, int tool, Brush * cBrush, float strength)
{
if(cBrush)
{
int radiusX = cBrush->GetRadius().X, radiusY = cBrush->GetRadius().Y, sizeX = cBrush->GetSize().X, sizeY = cBrush->GetSize().Y;
unsigned char *bitmap = cBrush->GetBitmap();
for(int y = 0; y < sizeY; y++)
for(int x = 0; x < sizeX; x++)
if(bitmap[(y*sizeX)+x] && (positionX+(x-radiusX) >= 0 && positionY+(y-radiusY) >= 0 && positionX+(x-radiusX) < XRES && positionY+(y-radiusY) < YRES))
Tool(positionX+(x-radiusX), positionY+(y-radiusY), tool, strength);
}
return 0;
}
void Simulation::ToolLine(int x1, int y1, int x2, int y2, int tool, Brush * cBrush, float strength)
{
bool reverseXY = abs(y2-y1) > abs(x2-x1);
int x, y, dx, dy, sy, rx = cBrush->GetRadius().X, ry = cBrush->GetRadius().Y;
float e = 0.0f, de;
if (reverseXY)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if (x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
if (dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for (x=x1; x<=x2; x++)
{
if (reverseXY)
ToolBrush(y, x, tool, cBrush, strength);
else
ToolBrush(x, y, tool, cBrush, strength);
e += de;
if (e >= 0.5f)
{
y += sy;
if (!(rx+ry) && ((y1<y2) ? (y<=y2) : (y>=y2)))
{
if (reverseXY)
ToolBrush(y, x, tool, cBrush, strength);
else
ToolBrush(x, y, tool, cBrush, strength);
}
e -= 1.0f;
}
}
}
void Simulation::ToolBox(int x1, int y1, int x2, int y2, int tool, float strength)
{
int i, j;
if (x1>x2)
{
i = x2;
x2 = x1;
x1 = i;
}
if (y1>y2)
{
j = y2;
y2 = y1;
y1 = j;
}
for (j=y1; j<=y2; j++)
for (i=x1; i<=x2; i++)
Tool(i, j, tool, strength);
}
int Simulation::CreateWalls(int x, int y, int rx, int ry, int wall, Brush * cBrush)
{
if(cBrush)
{
rx = cBrush->GetRadius().X;
ry = cBrush->GetRadius().Y;
}
ry = ry/CELL;
rx = rx/CELL;
x = x/CELL;
y = y/CELL;
x -= rx;
y -= ry;
for (int wallX = x; wallX <= x+rx+rx; wallX++)
{
for (int wallY = y; wallY <= y+ry+ry; wallY++)
{
if (wallX >= 0 && wallX < XRES/CELL && wallY >= 0 && wallY < YRES/CELL)
{
if (wall == WL_FAN)
{
fvx[wallY][wallX] = 0.0f;
fvy[wallY][wallX] = 0.0f;
}
else if (wall == WL_STREAM)
{
wallX = x + rx;
wallY = y + ry;
//streamlines can't be drawn next to each other
for (int tempY = wallY-1; tempY < wallY+2; tempY++)
for (int tempX = wallX-1; tempX < wallX+2; tempX++)
{
if (tempX >= 0 && tempX < XRES/CELL && tempY >= 0 && tempY < YRES/CELL && bmap[tempY][tempX] == WL_STREAM)
return 1;
}
}
if (wall == WL_GRAV || bmap[wallY][wallX] == WL_GRAV)
gravWallChanged = true;
if (wall == WL_ERASEALL)
{
for (int i = 0; i < CELL; i++)
for (int j = 0; j < CELL; j++)
{
delete_part(wallX*CELL+i, wallY*CELL+j);
}
for (int i = signs.size()-1; i >= 0; i--)
if (signs[i].x >= wallX*CELL && signs[i].y >= wallY*CELL && signs[i].x <= (wallX+1)*CELL && signs[i].y <= (wallY+1)*CELL)
signs.erase(signs.begin()+i);
bmap[wallY][wallX] = 0;
}
else
bmap[wallY][wallX] = wall;
}
}
}
return 1;
}
void Simulation::CreateWallLine(int x1, int y1, int x2, int y2, int rx, int ry, int wall, Brush * cBrush)
{
int x, y, dx, dy, sy;
bool reverseXY = abs(y2-y1) > abs(x2-x1);
float e = 0.0f, de;
if (reverseXY)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if (x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
if (dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for (x=x1; x<=x2; x++)
{
if (reverseXY)
CreateWalls(y, x, rx, ry, wall, cBrush);
else
CreateWalls(x, y, rx, ry, wall, cBrush);
e += de;
if (e >= 0.5f)
{
y += sy;
if ((y1<y2) ? (y<=y2) : (y>=y2))
{
if (reverseXY)
CreateWalls(y, x, rx, ry, wall, cBrush);
else
CreateWalls(x, y, rx, ry, wall, cBrush);
}
e -= 1.0f;
}
}
}
void Simulation::CreateWallBox(int x1, int y1, int x2, int y2, int wall)
{
int i, j;
if (x1>x2)
{
i = x2;
x2 = x1;
x1 = i;
}
if (y1>y2)
{
j = y2;
y2 = y1;
y1 = j;
}
for (j=y1; j<=y2; j++)
for (i=x1; i<=x2; i++)
CreateWalls(i, j, 0, 0, wall, NULL);
}
int Simulation::FloodWalls(int x, int y, int wall, int bm)
{
int x1, x2, dy = CELL;
if (bm==-1)
{
if (wall==WL_ERASE || wall==WL_ERASEALL)
{
bm = bmap[y/CELL][x/CELL];
if (!bm)
return 0;
}
else
bm = 0;
}
if (bmap[y/CELL][x/CELL]!=bm)
return 1;
// go left as far as possible
x1 = x2 = x;
while (x1>=CELL)
{
if (bmap[y/CELL][(x1-1)/CELL]!=bm)
{
break;
}
x1--;
}
while (x2<XRES-CELL)
{
if (bmap[y/CELL][(x2+1)/CELL]!=bm)
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
if (!CreateWalls(x, y, 0, 0, wall, NULL))
return 0;
}
// fill children
if (y>=CELL)
for (x=x1; x<=x2; x++)
if (bmap[(y-dy)/CELL][x/CELL]==bm)
if (!FloodWalls(x, y-dy, wall, bm))
return 0;
if (y<YRES-CELL)
for (x=x1; x<=x2; x++)
if (bmap[(y+dy)/CELL][x/CELL]==bm)
if (!FloodWalls(x, y+dy, wall, bm))
return 0;
return 1;
}
int Simulation::CreateParts(int positionX, int positionY, int c, Brush * cBrush, int flags)
{
if (flags == -1)
flags = replaceModeFlags;
if (cBrush)
{
int radiusX = cBrush->GetRadius().X, radiusY = cBrush->GetRadius().Y, sizeX = cBrush->GetSize().X, sizeY = cBrush->GetSize().Y;
unsigned char *bitmap = cBrush->GetBitmap();
// special case for LIGH
if (c == PT_LIGH)
{
if (currentTick < lightningRecreate)
return 1;
int newlife = radiusX + radiusY;
if (newlife > 55)
newlife = 55;
c = c|newlife<<8;
lightningRecreate = currentTick+newlife/4;
return CreatePartFlags(positionX, positionY, c, flags);
}
else if (c == PT_TESC)
{
int newtmp = (radiusX*4+radiusY*4+7);
if (newtmp > 300)
newtmp = 300;
c = c|newtmp<<8;
}
for (int y = sizeY-1; y >=0; y--)
{
for (int x = 0; x < sizeX; x++)
{
if (bitmap[(y*sizeX)+x] && (positionX+(x-radiusX) >= 0 && positionY+(y-radiusY) >= 0 && positionX+(x-radiusX) < XRES && positionY+(y-radiusY) < YRES))
{
CreatePartFlags(positionX+(x-radiusX), positionY+(y-radiusY), c, flags);
}
}
}
}
return 0;
}
int Simulation::CreateParts(int x, int y, int rx, int ry, int c, int flags)
{
bool created = false;
if (flags == -1)
flags = replaceModeFlags;
// special case for LIGH
if (c == PT_LIGH)
{
if (currentTick < lightningRecreate)
return 1;
int newlife = rx + ry;
if (newlife > 55)
newlife = 55;
c = c|newlife<<8;
lightningRecreate = currentTick+newlife/4;
rx = ry = 0;
}
else if (c == PT_TESC)
{
int newtmp = (rx*4+ry*4+7);
if (newtmp > 300)
newtmp = 300;
c = c|newtmp<<8;
}
for (int j = -ry; j <= ry; j++)
for (int i = -rx; i <= rx; i++)
if (CreatePartFlags(x+i, y+j, c, flags))
created = true;
return !created;
}
int Simulation::CreatePartFlags(int x, int y, int c, int flags)
{
//delete
if (c == 0 && !(flags&REPLACE_MODE))
delete_part(x, y);
//specific delete
else if ((flags&SPECIFIC_DELETE) && !(flags&REPLACE_MODE))
{
if (!replaceModeSelected || (pmap[y][x]&0xFF) == replaceModeSelected || (photons[y][x]&0xFF) == replaceModeSelected)
delete_part(x, y);
}
//replace mode
else if (flags&REPLACE_MODE)
{
if (x<0 || y<0 || x>=XRES || y>=YRES)
return 0;
if (replaceModeSelected && (pmap[y][x]&0xFF) != replaceModeSelected && (photons[y][x]&0xFF) != replaceModeSelected)
return 0;
if ((pmap[y][x]))
{
delete_part(x, y);
if (c!=0)
create_part(-2, x, y, c&0xFF, c>>8);
}
}
//normal draw
else
if (create_part(-2, x, y, c&0xFF, c>>8) == -1)
return 1;
return 0;
}
void Simulation::CreateLine(int x1, int y1, int x2, int y2, int c, Brush * cBrush, int flags)
{
int x, y, dx, dy, sy, rx = cBrush->GetRadius().X, ry = cBrush->GetRadius().Y;
bool reverseXY = abs(y2-y1) > abs(x2-x1);
float e = 0.0f, de;
if (reverseXY)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if (x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
if (dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for (x=x1; x<=x2; x++)
{
if (reverseXY)
CreateParts(y, x, c, cBrush, flags);
else
CreateParts(x, y, c, cBrush, flags);
e += de;
if (e >= 0.5f)
{
y += sy;
if (!(rx+ry) && ((y1<y2) ? (y<=y2) : (y>=y2)))
{
if (reverseXY)
CreateParts(y, x, c, cBrush, flags);
else
CreateParts(x, y, c, cBrush, flags);
}
e -= 1.0f;
}
}
}
//Now simply creates a 0 pixel radius line without all the complicated flags / other checks
void Simulation::CreateLine(int x1, int y1, int x2, int y2, int c)
{
bool reverseXY = abs(y2-y1) > abs(x2-x1);
int x, y, dx, dy, sy;
float e, de;
int v = c>>8;
c = c&0xFF;
if (reverseXY)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if (x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
e = 0.0f;
if (dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for (x=x1; x<=x2; x++)
{
if (reverseXY)
create_part(-1, y, x, c, v);
else
create_part(-1, x, y, c, v);
e += de;
if (e >= 0.5f)
{
y += sy;
if ((y1<y2) ? (y<=y2) : (y>=y2))
{
if (reverseXY)
create_part(-1, y, x, c, v);
else
create_part(-1, x, y, c, v);
}
e -= 1.0f;
}
}
}
void Simulation::CreateBox(int x1, int y1, int x2, int y2, int c, int flags)
{
int i, j;
if (x1>x2)
{
i = x2;
x2 = x1;
x1 = i;
}
if (y1>y2)
{
j = y2;
y2 = y1;
y1 = j;
}
for (j=y2; j>=y1; j--)
for (i=x1; i<=x2; i++)
CreateParts(i, j, 0, 0, c, flags);
}
int Simulation::FloodParts(int x, int y, int fullc, int cm, int flags)
{
int c = fullc&0xFF;
int x1, x2, dy = (c<PT_NUM)?1:CELL;
int coord_stack_limit = XRES*YRES;
unsigned short (*coord_stack)[2];
int coord_stack_size = 0;
int created_something = 0;
if (cm==-1)
{
//if initial flood point is out of bounds, do nothing
if (c != 0 && (x < CELL || x >= XRES-CELL || y < CELL || y >= YRES-CELL || c == PT_SPRK))
return 1;
else if (x < 0 || x >= XRES || y < 0 || y >= YRES)
return 1;
if (c == 0)
{
cm = pmap[y][x]&0xFF;
if (!cm)
{
cm = photons[y][x]&0xFF;
if (!cm)
{
if (bmap[y/CELL][x/CELL])
return FloodWalls(x, y, WL_ERASE, -1);
else
return -1;
}
}
}
else
cm = 0;
}
if (c != 0 && IsWallBlocking(x, y, c))
return 1;
if (!FloodFillPmapCheck(x, y, cm))
return 1;
coord_stack = (short unsigned int (*)[2])malloc(sizeof(unsigned short)*2*coord_stack_limit);
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y;
coord_stack_size++;
do
{
coord_stack_size--;
x = coord_stack[coord_stack_size][0];
y = coord_stack[coord_stack_size][1];
x1 = x2 = x;
// go left as far as possible
while (c?x1>CELL:x1>0)
{
if (!FloodFillPmapCheck(x1-1, y, cm) || (c != 0 && IsWallBlocking(x1-1, y, c)))
{
break;
}
x1--;
}
// go right as far as possible
while (c?x2<XRES-CELL-1:x2<XRES-1)
{
if (!FloodFillPmapCheck(x2+1, y, cm) || (c != 0 && IsWallBlocking(x2+1, y, c)))
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
if (!fullc)
{
if (elements[cm].Properties&TYPE_ENERGY)
{
if (photons[y][x])
{
kill_part(photons[y][x]>>8);
created_something = 1;
}
}
else if (pmap[y][x])
{
kill_part(pmap[y][x]>>8);
created_something = 1;
}
}
else if (CreateParts(x, y, 0, 0, fullc, flags))
created_something = 1;
}
if (c?y>=CELL+dy:y>=dy)
for (x=x1; x<=x2; x++)
if (FloodFillPmapCheck(x, y-dy, cm) && (c == 0 || !IsWallBlocking(x, y-dy, c)))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y-dy;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
if (c?y<YRES-CELL-dy:y<YRES-dy)
for (x=x1; x<=x2; x++)
if (FloodFillPmapCheck(x, y+dy, cm) && (c == 0 || !IsWallBlocking(x, y+dy, c)))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y+dy;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
free(coord_stack);
return -1;
}
}
} while (coord_stack_size>0);
free(coord_stack);
return created_something;
}
void Simulation::orbitalparts_get(int block1, int block2, int resblock1[], int resblock2[])
{
resblock1[0] = (block1&0x000000FF);
resblock1[1] = (block1&0x0000FF00)>>8;
resblock1[2] = (block1&0x00FF0000)>>16;
resblock1[3] = (block1&0xFF000000)>>24;
resblock2[0] = (block2&0x000000FF);
resblock2[1] = (block2&0x0000FF00)>>8;
resblock2[2] = (block2&0x00FF0000)>>16;
resblock2[3] = (block2&0xFF000000)>>24;
}
void Simulation::orbitalparts_set(int *block1, int *block2, int resblock1[], int resblock2[])
{
int block1tmp = 0;
int block2tmp = 0;
block1tmp = (resblock1[0]&0xFF);
block1tmp |= (resblock1[1]&0xFF)<<8;
block1tmp |= (resblock1[2]&0xFF)<<16;
block1tmp |= (resblock1[3]&0xFF)<<24;
block2tmp = (resblock2[0]&0xFF);
block2tmp |= (resblock2[1]&0xFF)<<8;
block2tmp |= (resblock2[2]&0xFF)<<16;
block2tmp |= (resblock2[3]&0xFF)<<24;
*block1 = block1tmp;
*block2 = block2tmp;
}
inline int Simulation::is_wire(int x, int y)
{
return bmap[y][x]==WL_DETECT || bmap[y][x]==WL_EWALL || bmap[y][x]==WL_ALLOWLIQUID || bmap[y][x]==WL_WALLELEC || bmap[y][x]==WL_ALLOWALLELEC || bmap[y][x]==WL_EHOLE;
}
inline int Simulation::is_wire_off(int x, int y)
{
return (bmap[y][x]==WL_DETECT || bmap[y][x]==WL_EWALL || bmap[y][x]==WL_ALLOWLIQUID || bmap[y][x]==WL_WALLELEC || bmap[y][x]==WL_ALLOWALLELEC || bmap[y][x]==WL_EHOLE) && emap[y][x]<8;
}
// implement __builtin_ctz and __builtin_clz on msvc
#ifdef _MSC_VER
unsigned msvc_ctz(unsigned a)
{
unsigned long i;
_BitScanForward(&i, a);
return i;
}
unsigned msvc_clz(unsigned a)
{
unsigned long i;
_BitScanReverse(&i, a);
return 31 - i;
}
#define __builtin_ctz msvc_ctz
#define __builtin_clz msvc_clz
#endif
int Simulation::get_wavelength_bin(int *wm)
{
int i, w0, wM, r;
if (!(*wm & 0x3FFFFFFF))
return -1;
#if defined(__GNUC__) || defined(_MSVC_VER)
w0 = __builtin_ctz(*wm | 0xC0000000);
wM = 31 - __builtin_clz(*wm & 0x3FFFFFFF);
#else
w0 = 30;
wM = 0;
for (i = 0; i < 30; i++)
if (*wm & (1<<i))
{
if (i < w0)
w0 = i;
if (i > wM)
wM = i;
}
#endif
if (wM - w0 < 5)
return wM + w0;
r = rand();
i = (r >> 1) % (wM-w0-4);
i += w0;
if (r & 1)
{
*wm &= 0x1F << i;
return (i + 2) * 2;
}
else
{
*wm &= 0xF << i;
return (i + 2) * 2 - 1;
}
}
void Simulation::set_emap(int x, int y)
{
int x1, x2;
if (!is_wire_off(x, y))
return;
// go left as far as possible
x1 = x2 = x;
while (x1>0)
{
if (!is_wire_off(x1-1, y))
break;
x1--;
}
while (x2<XRES/CELL-1)
{
if (!is_wire_off(x2+1, y))
break;
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
emap[y][x] = 16;
// fill children
if (y>1 && x1==x2 &&
is_wire(x1-1, y-1) && is_wire(x1, y-1) && is_wire(x1+1, y-1) &&
!is_wire(x1-1, y-2) && is_wire(x1, y-2) && !is_wire(x1+1, y-2))
set_emap(x1, y-2);
else if (y>0)
for (x=x1; x<=x2; x++)
if (is_wire_off(x, y-1))
{
if (x==x1 || x==x2 || y>=YRES/CELL-1 ||
is_wire(x-1, y-1) || is_wire(x+1, y-1) ||
is_wire(x-1, y+1) || !is_wire(x, y+1) || is_wire(x+1, y+1))
set_emap(x, y-1);
}
if (y<YRES/CELL-2 && x1==x2 &&
is_wire(x1-1, y+1) && is_wire(x1, y+1) && is_wire(x1+1, y+1) &&
!is_wire(x1-1, y+2) && is_wire(x1, y+2) && !is_wire(x1+1, y+2))
set_emap(x1, y+2);
else if (y<YRES/CELL-1)
for (x=x1; x<=x2; x++)
if (is_wire_off(x, y+1))
{
if (x==x1 || x==x2 || y<0 ||
is_wire(x-1, y+1) || is_wire(x+1, y+1) ||
is_wire(x-1, y-1) || !is_wire(x, y-1) || is_wire(x+1, y-1))
set_emap(x, y+1);
}
}
int Simulation::parts_avg(int ci, int ni,int t)
{
if (t==PT_INSL)//to keep electronics working
{
int pmr = pmap[((int)(parts[ci].y+0.5f) + (int)(parts[ni].y+0.5f))/2][((int)(parts[ci].x+0.5f) + (int)(parts[ni].x+0.5f))/2];
if (pmr)
return parts[pmr>>8].type;
else
return PT_NONE;
}
else
{
int pmr2 = pmap[(int)((parts[ci].y + parts[ni].y)/2+0.5f)][(int)((parts[ci].x + parts[ni].x)/2+0.5f)];//seems to be more accurate.
if (pmr2)
{
if (parts[pmr2>>8].type==t)
return t;
}
else
return PT_NONE;
}
return PT_NONE;
}
// unused function
void Simulation::create_arc(int sx, int sy, int dx, int dy, int midpoints, int variance, int type, int flags)
{
int i;
float xint, yint;
int *xmid, *ymid;
int voffset = variance/2;
xmid = (int *)calloc(midpoints + 2, sizeof(int));
ymid = (int *)calloc(midpoints + 2, sizeof(int));
xint = (float)(dx-sx)/(float)(midpoints+1.0f);
yint = (float)(dy-sy)/(float)(midpoints+1.0f);
xmid[0] = sx;
xmid[midpoints+1] = dx;
ymid[0] = sy;
ymid[midpoints+1] = dy;
for(i = 1; i <= midpoints; i++)
{
ymid[i] = ymid[i-1]+yint;
xmid[i] = xmid[i-1]+xint;
}
for(i = 0; i <= midpoints; i++)
{
if(i!=midpoints)
{
xmid[i+1] += (rand()%variance)-voffset;
ymid[i+1] += (rand()%variance)-voffset;
}
CreateLine(xmid[i], ymid[i], xmid[i+1], ymid[i+1], type);
}
free(xmid);
free(ymid);
}
void Simulation::clear_sim(void)
{
debug_currentParticle = 0;
emp_decor = 0;
emp_trigger_count = 0;
signs.clear();
memset(bmap, 0, sizeof(bmap));
memset(emap, 0, sizeof(emap));
memset(parts, 0, sizeof(Particle)*NPART);
for (int i = 0; i < NPART-1; i++)
parts[i].life = i+1;
parts[NPART-1].life = -1;
pfree = 0;
parts_lastActiveIndex = 0;
memset(pmap, 0, sizeof(pmap));
memset(fvx, 0, sizeof(fvx));
memset(fvy, 0, sizeof(fvy));
memset(photons, 0, sizeof(photons));
memset(wireless, 0, sizeof(wireless));
memset(gol2, 0, sizeof(gol2));
memset(portalp, 0, sizeof(portalp));
memset(fighters, 0, sizeof(fighters));
std::fill(elementCount, elementCount+PT_NUM, 0);
elementRecount = true;
fighcount = 0;
player.spwn = 0;
player.spawnID = -1;
player.rocketBoots = false;
player2.spwn = 0;
player2.spawnID = -1;
player2.rocketBoots = false;
//memset(pers_bg, 0, WINDOWW*YRES*PIXELSIZE);
//memset(fire_r, 0, sizeof(fire_r));
//memset(fire_g, 0, sizeof(fire_g));
//memset(fire_b, 0, sizeof(fire_b));
//if(gravmask)
//memset(gravmask, 0xFFFFFFFF, (XRES/CELL)*(YRES/CELL)*sizeof(unsigned));
if(grav)
grav->Clear();
if(air)
{
air->Clear();
air->ClearAirH();
}
SetEdgeMode(edgeMode);
}
bool Simulation::IsWallBlocking(int x, int y, int type)
{
if (bmap[y/CELL][x/CELL])
{
int wall = bmap[y/CELL][x/CELL];
if (wall == WL_ALLOWGAS && !(elements[type].Properties&TYPE_GAS))
return true;
else if (wall == WL_ALLOWENERGY && !(elements[type].Properties&TYPE_ENERGY))
return true;
else if (wall == WL_ALLOWLIQUID && !(elements[type].Properties&TYPE_LIQUID))
return true;
else if (wall == WL_ALLOWPOWDER && !(elements[type].Properties&TYPE_PART))
return true;
else if (wall == WL_ALLOWAIR || wall == WL_WALL || wall == WL_WALLELEC)
return true;
else if (wall == WL_EWALL && !emap[y/CELL][x/CELL])
return true;
}
return false;
}
void Simulation::init_can_move()
{
int movingType, destinationType;
// can_move[moving type][type at destination]
// 0 = No move/Bounce
// 1 = Swap
// 2 = Both particles occupy the same space.
// 3 = Varies, go run some extra checks
//particles that don't exist shouldn't move...
for (destinationType = 0; destinationType < PT_NUM; destinationType++)
can_move[0][destinationType] = 0;
//initialize everything else to swapping by default
for (movingType = 1; movingType < PT_NUM; movingType++)
for (destinationType = 0; destinationType < PT_NUM; destinationType++)
can_move[movingType][destinationType] = 1;
//photons go through everything by default
for (destinationType = 1; destinationType < PT_NUM; destinationType++)
can_move[PT_PHOT][destinationType] = 2;
for (movingType = 1; movingType < PT_NUM; movingType++)
{
for (destinationType = 1; destinationType < PT_NUM; destinationType++)
{
//weight check, also prevents particles of same type displacing each other
if (elements[movingType].Weight <= elements[destinationType].Weight || destinationType == PT_GEL)
can_move[movingType][destinationType] = 0;
//other checks for NEUT and energy particles
if (movingType == PT_NEUT && (elements[destinationType].Properties&PROP_NEUTPASS))
can_move[movingType][destinationType] = 2;
if (movingType == PT_NEUT && (elements[destinationType].Properties&PROP_NEUTABSORB))
can_move[movingType][destinationType] = 1;
if (movingType == PT_NEUT && (elements[destinationType].Properties&PROP_NEUTPENETRATE))
can_move[movingType][destinationType] = 1;
if (destinationType == PT_NEUT && (elements[movingType].Properties&PROP_NEUTPENETRATE))
can_move[movingType][destinationType] = 0;
if ((elements[movingType].Properties&TYPE_ENERGY) && (elements[destinationType].Properties&TYPE_ENERGY))
can_move[movingType][destinationType] = 2;
}
}
for (destinationType = 0; destinationType < PT_NUM; destinationType++)
{
//set what stickmen can move through
int stkm_move = 0;
if (elements[destinationType].Properties & (TYPE_LIQUID | TYPE_GAS))
stkm_move = 2;
if (!destinationType || destinationType == PT_PRTO || destinationType == PT_SPAWN || destinationType == PT_SPAWN2)
stkm_move = 2;
can_move[PT_STKM][destinationType] = stkm_move;
can_move[PT_STKM2][destinationType] = stkm_move;
can_move[PT_FIGH][destinationType] = stkm_move;
//spark shouldn't move
can_move[PT_SPRK][destinationType] = 0;
}
for (movingType = 1; movingType < PT_NUM; movingType++)
{
//everything "swaps" with VACU and BHOL to make them eat things
can_move[movingType][PT_BHOL] = 1;
can_move[movingType][PT_NBHL] = 1;
//nothing goes through stickmen
can_move[movingType][PT_STKM] = 0;
can_move[movingType][PT_STKM2] = 0;
can_move[movingType][PT_FIGH] = 0;
//INVS behaviour varies with pressure
can_move[movingType][PT_INVIS] = 3;
//stop CNCT from being displaced by other particles
can_move[movingType][PT_CNCT] = 0;
//VOID and PVOD behaviour varies with powered state and ctype
can_move[movingType][PT_PVOD] = 3;
can_move[movingType][PT_VOID] = 3;
//nothing moves through EMBR (not sure why, but it's killed when it touches anything)
can_move[movingType][PT_EMBR] = 0;
can_move[PT_EMBR][movingType] = 0;
//Energy particles move through VIBR and BVBR, so it can absorb them
if (elements[movingType].Properties & TYPE_ENERGY)
{
can_move[movingType][PT_VIBR] = 1;
can_move[movingType][PT_BVBR] = 1;
}
//SAWD cannot be displaced by other powders
if (elements[movingType].Properties & TYPE_PART)
can_move[movingType][PT_SAWD] = 0;
}
//a list of lots of things PHOT can move through
// TODO: replace with property
for (destinationType = 0; destinationType < PT_NUM; destinationType++)
{
if (destinationType == PT_GLAS || destinationType == PT_PHOT || destinationType == PT_FILT || destinationType == PT_INVIS
|| destinationType == PT_CLNE || destinationType == PT_PCLN || destinationType == PT_BCLN || destinationType == PT_PBCN
|| destinationType == PT_WATR || destinationType == PT_DSTW || destinationType == PT_SLTW || destinationType == PT_GLOW
|| destinationType == PT_ISOZ || destinationType == PT_ISZS || destinationType == PT_QRTZ || destinationType == PT_PQRT
|| destinationType == PT_H2 || destinationType == PT_BGLA || destinationType == PT_C5)
can_move[PT_PHOT][destinationType] = 2;
if (destinationType != PT_DMND && destinationType != PT_INSL && destinationType != PT_VOID && destinationType != PT_PVOD && destinationType != PT_VIBR && destinationType != PT_BVBR && destinationType != PT_PRTI && destinationType != PT_PRTO)
{
can_move[PT_PROT][destinationType] = 2;
can_move[PT_GRVT][destinationType] = 2;
}
}
//other special cases that weren't covered above
can_move[PT_DEST][PT_DMND] = 0;
can_move[PT_DEST][PT_CLNE] = 0;
can_move[PT_DEST][PT_PCLN] = 0;
can_move[PT_DEST][PT_BCLN] = 0;
can_move[PT_DEST][PT_PBCN] = 0;
can_move[PT_NEUT][PT_INVIS] = 2;
can_move[PT_ELEC][PT_LCRY] = 2;
can_move[PT_ELEC][PT_EXOT] = 2;
can_move[PT_ELEC][PT_GLOW] = 2;
can_move[PT_PHOT][PT_LCRY] = 3; //varies according to LCRY life
can_move[PT_PHOT][PT_GPMP] = 3;
can_move[PT_PHOT][PT_BIZR] = 2;
can_move[PT_ELEC][PT_BIZR] = 2;
can_move[PT_PHOT][PT_BIZRG] = 2;
can_move[PT_ELEC][PT_BIZRG] = 2;
can_move[PT_PHOT][PT_BIZRS] = 2;
can_move[PT_ELEC][PT_BIZRS] = 2;
can_move[PT_BIZR][PT_FILT] = 2;
can_move[PT_BIZRG][PT_FILT] = 2;
can_move[PT_ANAR][PT_WHOL] = 1; //WHOL eats ANAR
can_move[PT_ANAR][PT_NWHL] = 1;
can_move[PT_ELEC][PT_DEUT] = 1;
can_move[PT_THDR][PT_THDR] = 2;
can_move[PT_EMBR][PT_EMBR] = 2;
can_move[PT_TRON][PT_SWCH] = 3;
}
/*
RETURN-value explanation
1 = Swap
0 = No move/Bounce
2 = Both particles occupy the same space.
*/
int Simulation::eval_move(int pt, int nx, int ny, unsigned *rr)
{
unsigned r;
int result;
if (nx<0 || ny<0 || nx>=XRES || ny>=YRES)
return 0;
r = pmap[ny][nx];
if (r)
r = (r&~0xFF) | parts[r>>8].type;
if (rr)
*rr = r;
if (pt>=PT_NUM || (r&0xFF)>=PT_NUM)
return 0;
result = can_move[pt][r&0xFF];
if (result == 3)
{
switch (r&0xFF)
{
case PT_LCRY:
if (pt==PT_PHOT)
result = (parts[r>>8].life > 5)? 2 : 0;
break;
case PT_GPMP:
if (pt == PT_PHOT)
result = (parts[r>>8].life < 10) ? 2 : 0;
break;
case PT_INVIS:
{
float pressureResistance = 0.0f;
if (parts[r>>8].tmp > 0)
pressureResistance = (float)parts[r>>8].tmp;
else
pressureResistance = 4.0f;
if (pv[ny/CELL][nx/CELL] < -pressureResistance || pv[ny/CELL][nx/CELL] > pressureResistance)
result = 2;
else
result = 0;
break;
}
case PT_PVOD:
if (parts[r>>8].life == 10)
{
if (!parts[r>>8].ctype || (parts[r>>8].ctype==pt)!=(parts[r>>8].tmp&1))
result = 1;
else
result = 0;
}
else result = 0;
break;
case PT_VOID:
if (!parts[r>>8].ctype || (parts[r>>8].ctype==pt)!=(parts[r>>8].tmp&1))
result = 1;
else
result = 0;
break;
case PT_SWCH:
if (pt == PT_TRON)
{
if (parts[r>>8].life >= 10)
return 2;
else
return 0;
}
break;
default:
// This should never happen
// If it were to happen, try_move would interpret a 3 as a 1
result = 1;
}
}
if (bmap[ny/CELL][nx/CELL])
{
if (IsWallBlocking(nx, ny, pt))
return 0;
if (bmap[ny/CELL][nx/CELL]==WL_EHOLE && !emap[ny/CELL][nx/CELL] && !(elements[pt].Properties&TYPE_SOLID) && !(elements[r&0xFF].Properties&TYPE_SOLID))
return 2;
}
return result;
}
int Simulation::try_move(int i, int x, int y, int nx, int ny)
{
unsigned r, e;
if (x==nx && y==ny)
return 1;
if (nx<0 || ny<0 || nx>=XRES || ny>=YRES)
return 1;
e = eval_move(parts[i].type, nx, ny, &r);
/* half-silvered mirror */
if (!e && parts[i].type==PT_PHOT &&
(((r&0xFF)==PT_BMTL && rand()<RAND_MAX/2) ||
(pmap[y][x]&0xFF)==PT_BMTL))
e = 2;
if (!e) //if no movement
{
if ((r&0xFF) == PT_WOOD)
{
float vel = std::sqrt(std::pow(parts[i].vx, 2) + std::pow(parts[i].vy, 2));
if (vel > 5)
part_change_type(r>>8, nx, ny, PT_SAWD);
}
if (!(elements[parts[i].type].Properties & TYPE_ENERGY))
return 0;
if (!legacy_enable && parts[i].type==PT_PHOT && r)//PHOT heat conduction
{
if ((r & 0xFF) == PT_COAL || (r & 0xFF) == PT_BCOL)
parts[r>>8].temp = parts[i].temp;
if ((r & 0xFF) < PT_NUM && elements[r&0xFF].HeatConduct && ((r&0xFF)!=PT_HSWC||parts[r>>8].life==10) && (r&0xFF)!=PT_FILT)
parts[i].temp = parts[r>>8].temp = restrict_flt((parts[r>>8].temp+parts[i].temp)/2, MIN_TEMP, MAX_TEMP);
}
else if ((parts[i].type==PT_NEUT || parts[i].type==PT_ELEC) && ((r&0xFF)==PT_CLNE || (r&0xFF)==PT_PCLN || (r&0xFF)==PT_BCLN || (r&0xFF)==PT_PBCN))
{
if (!parts[r>>8].ctype)
parts[r>>8].ctype = parts[i].type;
}
if ((r&0xFF)==PT_PRTI && (elements[parts[i].type].Properties & TYPE_ENERGY))
{
int nnx, count;
for (count=0; count<8; count++)
{
if (isign(x-nx)==isign(portal_rx[count]) && isign(y-ny)==isign(portal_ry[count]))
break;
}
count = count%8;
parts[r>>8].tmp = (int)((parts[r>>8].temp-73.15f)/100+1);
if (parts[r>>8].tmp>=CHANNELS) parts[r>>8].tmp = CHANNELS-1;
else if (parts[r>>8].tmp<0) parts[r>>8].tmp = 0;
for ( nnx=0; nnx<80; nnx++)
if (!portalp[parts[r>>8].tmp][count][nnx].type)
{
portalp[parts[r>>8].tmp][count][nnx] = parts[i];
parts[i].type=PT_NONE;
break;
}
}
return 0;
}
if (e == 2) //if occupy same space
{
switch (parts[i].type)
{
case PT_PHOT:
{
switch (r&0xFF)
{
case PT_GLOW:
if (!parts[r>>8].life && rand() < RAND_MAX/30)
{
parts[r>>8].life = 120;
create_gain_photon(i);
}
break;
case PT_FILT:
parts[i].ctype = Element_FILT::interactWavelengths(&parts[r>>8], parts[i].ctype);
break;
case PT_C5:
if (parts[r>>8].life > 0 && (parts[r>>8].ctype & parts[i].ctype & 0xFFFFFFC0))
{
float vx = ((parts[r>>8].tmp << 16) >> 16) / 255.0f;
float vy = (parts[r>>8].tmp >> 16) / 255.0f;
float vn = parts[i].vx * parts[i].vx + parts[i].vy * parts[i].vy;
parts[i].ctype = (parts[r>>8].ctype & parts[i].ctype) >> 6;
parts[r>>8].life = 0;
parts[r>>8].ctype = 0;
// add momentum of photons to each other
parts[i].vx += vx;
parts[i].vy += vy;
// normalize velocity to original value
vn /= parts[i].vx * parts[i].vx + parts[i].vy * parts[i].vy;
vn = sqrtf(vn);
parts[i].vx *= vn;
parts[i].vy *= vn;
}
else if(!parts[r>>8].ctype && parts[i].ctype & 0xFFFFFFC0)
{
parts[r>>8].life = 1;
parts[r>>8].ctype = parts[i].ctype;
parts[r>>8].tmp = (0xFFFF & (int)(parts[i].vx * 255.0f)) | (0xFFFF0000 & (int)(parts[i].vy * 16711680.0f));
parts[r>>8].tmp2 = (0xFFFF & (int)((parts[i].x - x) * 255.0f)) | (0xFFFF0000 & (int)((parts[i].y - y) * 16711680.0f));
kill_part(i);
}
break;
case PT_INVIS:
{
float pressureResistance = 0.0f;
if (parts[r>>8].tmp > 0)
pressureResistance = (float)parts[r>>8].tmp;
else
pressureResistance = 4.0f;
if (pv[ny/CELL][nx/CELL] >= -pressureResistance && pv[ny/CELL][nx/CELL] <= pressureResistance)
{
part_change_type(i,x,y,PT_NEUT);
parts[i].ctype = 0;
}
break;
}
case PT_BIZR:
case PT_BIZRG:
case PT_BIZRS:
part_change_type(i, x, y, PT_ELEC);
parts[i].ctype = 0;
break;
case PT_H2:
if (!(parts[i].tmp&0x1))
{
part_change_type(i, x, y, PT_PROT);
parts[i].ctype = 0;
parts[i].tmp2 = 0x1;
create_part(r>>8, x, y, PT_ELEC);
return 1;
}
break;
case PT_GPMP:
if (parts[r>>8].life == 0)
{
part_change_type(i, x, y, PT_GRVT);
parts[i].tmp = parts[r>>8].temp - 273.15f;
}
break;
}
break;
}
case PT_NEUT:
if ((r&0xFF) == PT_GLAS || (r&0xFF) == PT_BGLA)
if (rand() < RAND_MAX/10)
create_cherenkov_photon(i);
break;
case PT_ELEC:
if ((r&0xFF) == PT_GLOW)
{
part_change_type(i, x, y, PT_PHOT);
parts[i].ctype = 0x3FFFFFFF;
}
break;
case PT_PROT:
if ((r&0xFF) == PT_INVIS)
part_change_type(i, x, y, PT_NEUT);
break;
case PT_BIZR:
case PT_BIZRG:
if ((r&0xFF) == PT_FILT)
parts[i].ctype = Element_FILT::interactWavelengths(&parts[r>>8], parts[i].ctype);
break;
}
return 1;
}
//else e=1 , we are trying to swap the particles, return 0 no swap/move, 1 is still overlap/move, because the swap takes place later
switch (r&0xFF)
{
case PT_VOID:
case PT_PVOD:
// this is where void eats particles
// void ctype already checked in eval_move
kill_part(i);
return 0;
case PT_BHOL:
case PT_NBHL:
// this is where blackhole eats particles
if (!legacy_enable)
{
parts[r>>8].temp = restrict_flt(parts[r>>8].temp+parts[i].temp/2, MIN_TEMP, MAX_TEMP);//3.0f;
}
kill_part(i);
return 0;
case PT_WHOL:
case PT_NWHL:
// whitehole eats anar
if (parts[i].type == PT_ANAR)
{
if (!legacy_enable)
{
parts[r>>8].temp = restrict_flt(parts[r>>8].temp - (MAX_TEMP-parts[i].temp)/2, MIN_TEMP, MAX_TEMP);
}
kill_part(i);
return 0;
}
break;
case PT_DEUT:
if (parts[i].type == PT_ELEC)
{
if(parts[r>>8].life < 6000)
parts[r>>8].life += 1;
parts[r>>8].temp = 0;
kill_part(i);
return 0;
}
break;
case PT_VIBR:
case PT_BVBR:
if ((elements[parts[i].type].Properties & TYPE_ENERGY))
{
parts[r>>8].tmp += 20;
kill_part(i);
return 0;
}
break;
}
switch (parts[i].type)
{
case PT_NEUT:
if (elements[r&0xFF].Properties & PROP_NEUTABSORB)
{
kill_part(i);
return 0;
}
break;
case PT_CNCT:
if (y < ny && (pmap[y+1][x]&0xFF) == PT_CNCT) //check below CNCT for another CNCT
return 0;
break;
case PT_GBMB:
if (parts[i].life > 0)
return 0;
break;
}
if ((bmap[y/CELL][x/CELL]==WL_EHOLE && !emap[y/CELL][x/CELL]) && !(bmap[ny/CELL][nx/CELL]==WL_EHOLE && !emap[ny/CELL][nx/CELL]))
return 0;
int ri = r >> 8; //ri is the particle number at r (pmap[ny][nx])
if (r)//the swap part, if we make it this far, swap
{
if (parts[i].type==PT_NEUT) {
// target material is NEUTPENETRATE, meaning it gets moved around when neutron passes
unsigned s = pmap[y][x];
if (s && !(elements[s&0xFF].Properties&PROP_NEUTPENETRATE))
return 1; // if the element currently underneath neutron isn't NEUTPENETRATE, don't move anything except the neutron
// if nothing is currently underneath neutron, only move target particle
if(bmap[y/CELL][x/CELL] == WL_ALLOWENERGY)
return 1; // do not drag target particle into an energy only wall
if (s)
{
pmap[ny][nx] = (s&~(0xFF))|parts[s>>8].type;
parts[s>>8].x = nx;
parts[s>>8].y = ny;
}
else
pmap[ny][nx] = 0;
parts[ri].x = x;
parts[ri].y = y;
pmap[y][x] = (ri<<8)|parts[ri].type;
return 1;
}
if ((pmap[ny][nx]>>8) == ri)
pmap[ny][nx] = 0;
parts[ri].x += x-nx;
parts[ri].y += y-ny;
pmap[(int)(parts[ri].y+0.5f)][(int)(parts[ri].x+0.5f)] = (ri<<8)|parts[ri].type;
}
return 1;
}
// try to move particle, and if successful update pmap and parts[i].x,y
int Simulation::do_move(int i, int x, int y, float nxf, float nyf)
{
int nx = (int)(nxf+0.5f), ny = (int)(nyf+0.5f), result;
if (edgeMode == 2)
{
bool x_ok = (nx >= CELL && nx < XRES-CELL);
bool y_ok = (ny >= CELL && ny < YRES-CELL);
if (!x_ok)
nxf = remainder_p(nxf-CELL+.5f, XRES-CELL*2.0f)+CELL-.5f;
if (!y_ok)
nyf = remainder_p(nyf-CELL+.5f, YRES-CELL*2.0f)+CELL-.5f;
nx = (int)(nxf+0.5f);
ny = (int)(nyf+0.5f);
/*if (!x_ok || !y_ok)
{
//make sure there isn't something blocking it on the other side
//only needed if this if statement is moved after the try_move (like my mod)
//if (!eval_move(t, nx, ny, NULL) || (t == PT_PHOT && pmap[ny][nx]))
// return -1;
}*/
}
if (parts[i].type == PT_NONE)
return 0;
result = try_move(i, x, y, nx, ny);
if (result)
{
int t = parts[i].type;
parts[i].x = nxf;
parts[i].y = nyf;
if (ny!=y || nx!=x)
{
if ((pmap[y][x]>>8)==i) pmap[y][x] = 0;
else if ((photons[y][x]>>8)==i) photons[y][x] = 0;
if (nx<CELL || nx>=XRES-CELL || ny<CELL || ny>=YRES-CELL)//kill_part if particle is out of bounds
{
kill_part(i);
return -1;
}
if (elements[t].Properties & TYPE_ENERGY)
photons[ny][nx] = t|(i<<8);
else if (t)
pmap[ny][nx] = t|(i<<8);
}
}
return result;
}
int Simulation::pn_junction_sprk(int x, int y, int pt)
{
int r = pmap[y][x];
if ((r & 0xFF) != pt)
return 0;
r >>= 8;
if (parts[r].type != pt)
return 0;
if (parts[r].life != 0)
return 0;
parts[r].ctype = pt;
part_change_type(r,x,y,PT_SPRK);
parts[r].life = 4;
return 1;
}
void Simulation::photoelectric_effect(int nx, int ny)//create sparks from PHOT when hitting PSCN and NSCN
{
unsigned r = pmap[ny][nx];
if ((r&0xFF) == PT_PSCN) {
if ((pmap[ny][nx-1] & 0xFF) == PT_NSCN ||
(pmap[ny][nx+1] & 0xFF) == PT_NSCN ||
(pmap[ny-1][nx] & 0xFF) == PT_NSCN ||
(pmap[ny+1][nx] & 0xFF) == PT_NSCN)
pn_junction_sprk(nx, ny, PT_PSCN);
}
}
unsigned Simulation::direction_to_map(float dx, float dy, int t)
{
// TODO:
// Adding extra directions causes some inaccuracies.
// Not adding them causes problems with some diagonal surfaces (photons absorbed instead of reflected).
// For now, don't add them.
// Solution may involve more intelligent setting of initial i0 value in find_next_boundary?
// or rewriting normal/boundary finding code
return (dx >= 0) |
(((dx + dy) >= 0) << 1) | /* 567 */
((dy >= 0) << 2) | /* 4+0 */
(((dy - dx) >= 0) << 3) | /* 321 */
((dx <= 0) << 4) |
(((dx + dy) <= 0) << 5) |
((dy <= 0) << 6) |
(((dy - dx) <= 0) << 7);
/*
return (dx >= -0.001) |
(((dx + dy) >= -0.001) << 1) | // 567
((dy >= -0.001) << 2) | // 4+0
(((dy - dx) >= -0.001) << 3) | // 321
((dx <= 0.001) << 4) |
(((dx + dy) <= 0.001) << 5) |
((dy <= 0.001) << 6) |
(((dy - dx) <= 0.001) << 7);
}*/
}
int Simulation::is_blocking(int t, int x, int y)
{
if (t & REFRACT) {
if (x<0 || y<0 || x>=XRES || y>=YRES)
return 0;
if ((pmap[y][x] & 0xFF) == PT_GLAS || (pmap[y][x] & 0xFF) == PT_BGLA)
return 1;
return 0;
}
return !eval_move(t, x, y, NULL);
}
int Simulation::is_boundary(int pt, int x, int y)
{
if (!is_blocking(pt,x,y))
return 0;
if (is_blocking(pt,x,y-1) && is_blocking(pt,x,y+1) && is_blocking(pt,x-1,y) && is_blocking(pt,x+1,y))
return 0;
return 1;
}
int Simulation::find_next_boundary(int pt, int *x, int *y, int dm, int *em)
{
static int dx[8] = {1,1,0,-1,-1,-1,0,1};
static int dy[8] = {0,1,1,1,0,-1,-1,-1};
static int de[8] = {0x83,0x07,0x0E,0x1C,0x38,0x70,0xE0,0xC1};
int i, ii, i0;
if (*x <= 0 || *x >= XRES-1 || *y <= 0 || *y >= YRES-1)
return 0;
if (*em != -1) {
i0 = *em;
dm &= de[i0];
} else
i0 = 0;
for (ii=0; ii<8; ii++) {
i = (ii + i0) & 7;
if ((dm & (1 << i)) && is_boundary(pt, *x+dx[i], *y+dy[i])) {
*x += dx[i];
*y += dy[i];
*em = i;
return 1;
}
}
return 0;
}
int Simulation::get_normal(int pt, int x, int y, float dx, float dy, float *nx, float *ny)
{
int ldm, rdm, lm, rm;
int lx, ly, lv, rx, ry, rv;
int i, j;
float r, ex, ey;
if (!dx && !dy)
return 0;
if (!is_boundary(pt, x, y))
return 0;
ldm = direction_to_map(-dy, dx, pt);
rdm = direction_to_map(dy, -dx, pt);
lx = rx = x;
ly = ry = y;
lv = rv = 1;
lm = rm = -1;
j = 0;
for (i=0; i<SURF_RANGE; i++) {
if (lv)
lv = find_next_boundary(pt, &lx, &ly, ldm, &lm);
if (rv)
rv = find_next_boundary(pt, &rx, &ry, rdm, &rm);
j += lv + rv;
if (!lv && !rv)
break;
}
if (j < NORMAL_MIN_EST)
return 0;
if ((lx == rx) && (ly == ry))
return 0;
ex = rx - lx;
ey = ry - ly;
r = 1.0f/hypot(ex, ey);
*nx = ey * r;
*ny = -ex * r;
return 1;
}
int Simulation::get_normal_interp(int pt, float x0, float y0, float dx, float dy, float *nx, float *ny)
{
int x, y, i;
dx /= NORMAL_FRAC;
dy /= NORMAL_FRAC;
for (i=0; i<NORMAL_INTERP; i++) {
x = (int)(x0 + 0.5f);
y = (int)(y0 + 0.5f);
if (is_boundary(pt, x, y))
break;
x0 += dx;
y0 += dy;
}
if (i >= NORMAL_INTERP)
return 0;
if (pt == PT_PHOT)
photoelectric_effect(x, y);
return get_normal(pt, x, y, dx, dy, nx, ny);
}
void Simulation::kill_part(int i)//kills particle number i
{
int x = (int)(parts[i].x+0.5f);
int y = (int)(parts[i].y+0.5f);
if (x>=0 && y>=0 && x<XRES && y<YRES) {
if ((pmap[y][x]>>8)==i)
pmap[y][x] = 0;
else if ((photons[y][x]>>8)==i)
photons[y][x] = 0;
}
if (parts[i].type == PT_NONE)
return;
if(parts[i].type > 0 && parts[i].type < PT_NUM && elementCount[parts[i].type])
elementCount[parts[i].type]--;
switch (parts[i].type)
{
case PT_STKM:
player.spwn = 0;
break;
case PT_STKM2:
player2.spwn = 0;
break;
case PT_SPAWN:
if (player.spawnID == i)
player.spawnID = -1;
break;
case PT_SPAWN2:
if (player2.spawnID == i)
player2.spawnID = -1;
break;
case PT_FIGH:
fighters[(unsigned char)parts[i].tmp].spwn = 0;
fighcount--;
break;
case PT_SOAP:
Element_SOAP::detach(this, i);
break;
case PT_ETRD:
if (parts[i].life == 0)
etrd_life0_count--;
break;
}
parts[i].type = PT_NONE;
parts[i].life = pfree;
pfree = i;
}
void Simulation::part_change_type(int i, int x, int y, int t)//changes the type of particle number i, to t. This also changes pmap at the same time.
{
if (x<0 || y<0 || x>=XRES || y>=YRES || i>=NPART || t<0 || t>=PT_NUM || !parts[i].type)
return;
if (!elements[t].Enabled)
t = PT_NONE;
if (t == PT_NONE)
{
kill_part(i);
return;
}
else if ((t == PT_STKM || t == PT_STKM2 || t == PT_SPAWN || t == PT_SPAWN2) && elementCount[t])
{
kill_part(i);
return;
}
else if ((t == PT_STKM && player.spwn) || (t == PT_STKM2 && player2.spwn))
{
kill_part(i);
return;
}
if (parts[i].type == PT_STKM)
player.spwn = 0;
else if (parts[i].type == PT_STKM2)
player2.spwn = 0;
else if (parts[i].type == PT_SPAWN)
{
if (player.spawnID == i)
player.spawnID = -1;
}
else if (parts[i].type == PT_SPAWN2)
{
if (player2.spawnID == i)
player2.spawnID = -1;
}
else if (parts[i].type == PT_FIGH)
{
fighters[(unsigned char)parts[i].tmp].spwn = 0;
fighcount--;
}
else if (parts[i].type == PT_SOAP)
Element_SOAP::detach(this, i);
else if (parts[i].type == PT_ETRD && parts[i].life == 0)
etrd_life0_count--;
if (parts[i].type > 0 && parts[i].type < PT_NUM && elementCount[parts[i].type])
elementCount[parts[i].type]--;
elementCount[t]++;
if (t == PT_SPAWN && player.spawnID < 0)
player.spawnID = i;
else if (t == PT_SPAWN2 && player2.spawnID < 0)
player2.spawnID = i;
else if (t == PT_STKM)
Element_STKM::STKM_init_legs(this, &player, i);
else if (t == PT_STKM2)
Element_STKM::STKM_init_legs(this, &player2, i);
else if (t == PT_FIGH)
{
if (parts[i].tmp >= 0 && parts[i].tmp < MAX_FIGHTERS)
Element_STKM::STKM_init_legs(this, &fighters[parts[i].tmp], i);
}
else if (t == PT_ETRD && parts[i].life == 0)
etrd_life0_count++;
parts[i].type = t;
if (elements[t].Properties & TYPE_ENERGY)
{
photons[y][x] = t|(i<<8);
if ((pmap[y][x]>>8)==i)
pmap[y][x] = 0;
}
else
{
pmap[y][x] = t|(i<<8);
if ((photons[y][x]>>8)==i)
photons[y][x] = 0;
}
}
//the function for creating a particle, use p=-1 for creating a new particle, -2 is from a brush, or a particle number to replace a particle.
//tv = Type (8 bits) + Var (24 bits), var is usually 0
int Simulation::create_part(int p, int x, int y, int t, int v)
{
int i;
if (x<0 || y<0 || x>=XRES || y>=YRES)
return -1;
if (t>=0 && t<PT_NUM && !elements[t].Enabled)
return -1;
if (t == SPC_AIR)
{
pv[y/CELL][x/CELL] += 0.03f;
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL] += 0.03f;
if (x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += 0.03f;
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += 0.03f;
}
return -1;
}
else if (t==PT_SPRK)
{
int type = pmap[y][x]&0xFF;
int index = pmap[y][x]>>8;
if(type == PT_WIRE)
{
parts[index].ctype = PT_DUST;
return index;
}
if (p==-2 && ((elements[type].Properties & PROP_DRAWONCTYPE) || type==PT_CRAY))
{
parts[index].ctype = PT_SPRK;
return index;
}
if (!(type == PT_INST || (elements[type].Properties&PROP_CONDUCTS)) || parts[index].life!=0)
return -1;
if (p == -2 && type == PT_INST)
{
FloodINST(x, y, PT_SPRK, PT_INST);
return index;
}
parts[index].type = PT_SPRK;
parts[index].life = 4;
parts[index].ctype = type;
pmap[y][x] = (pmap[y][x]&~0xFF) | PT_SPRK;
if (parts[index].temp+10.0f < 673.0f && !legacy_enable && (type==PT_METL || type == PT_BMTL || type == PT_BRMT || type == PT_PSCN || type == PT_NSCN || type == PT_ETRD || type == PT_NBLE || type == PT_IRON))
parts[index].temp = parts[index].temp+10.0f;
return index;
}
else if (t==PT_SPAWN && elementCount[PT_SPAWN])
return -1;
else if (t==PT_SPAWN2 && elementCount[PT_SPAWN2])
return -1;
if (p==-1)//creating from anything but brush
{
// If there is a particle, only allow creation if the new particle can occupy the same space as the existing particle
// If there isn't a particle but there is a wall, check whether the new particle is allowed to be in it
// (not "!=2" for wall check because eval_move returns 1 for moving into empty space)
// If there's no particle and no wall, assume creation is allowed
if (pmap[y][x] ? (eval_move(t, x, y, NULL)!=2) : (bmap[y/CELL][x/CELL] && eval_move(t, x, y, NULL)==0))
{
if ((pmap[y][x]&0xFF)!=PT_SPAWN&&(pmap[y][x]&0xFF)!=PT_SPAWN2)
{
if (t!=PT_STKM&&t!=PT_STKM2&&t!=PT_FIGH)
{
return -1;
}
}
}
if (pfree == -1)
return -1;
i = pfree;
pfree = parts[i].life;
}
else if (p==-2)//creating from brush
{
if (pmap[y][x])
{
//If an element has the PROP_DRAWONCTYPE property, and the element being drawn to it does not have PROP_NOCTYPEDRAW (Also some special cases), set the element's ctype
int drawOn = pmap[y][x]&0xFF;
if (drawOn == t)
return -1;
if (((elements[drawOn].Properties & PROP_DRAWONCTYPE) ||
(drawOn == PT_STOR && !(elements[t].Properties & TYPE_SOLID)) ||
(drawOn == PT_PCLN && t != PT_PSCN && t != PT_NSCN) ||
(drawOn == PT_PBCN && t != PT_PSCN && t != PT_NSCN))
&& (!(elements[t].Properties & PROP_NOCTYPEDRAW)))
{
parts[pmap[y][x]>>8].ctype = t;
if (t == PT_LIFE && v >= 0 && v < NGOL)
{
if (drawOn == PT_CONV)
parts[pmap[y][x]>>8].ctype |= v<<8;
else if (drawOn != PT_STOR)
parts[pmap[y][x]>>8].tmp = v;
}
}
else if (drawOn == PT_DTEC || (drawOn == PT_PSTN && t != PT_FRME) || drawOn == PT_DRAY)
{
parts[pmap[y][x]>>8].ctype = t;
if (t == PT_LIFE && v >= 0 && v < NGOL)
{
if (drawOn == PT_DTEC)
parts[pmap[y][x]>>8].tmp = v;
else if (drawOn == PT_DRAY)
parts[pmap[y][x]>>8].ctype |= v<<8;
}
}
else if (drawOn == PT_CRAY)
{
parts[pmap[y][x]>>8].ctype = t;
if (t == PT_LIFE && v >= 0 && v < NGOL)
parts[pmap[y][x]>>8].ctype |= v<<8;
if (t == PT_LIGH)
parts[pmap[y][x]>>8].ctype |= 30<<8;
parts[pmap[y][x]>>8].temp = elements[t].Temperature;
}
return -1;
}
else if (IsWallBlocking(x, y, t))
return -1;
if (photons[y][x] && (elements[t].Properties & TYPE_ENERGY))
return -1;
if (pfree == -1)
return -1;
i = pfree;
pfree = parts[i].life;
}
else if (p==-3)//skip pmap checks, e.g. for sing explosion
{
if (pfree == -1)
return -1;
i = pfree;
pfree = parts[i].life;
}
else
{
int oldX = (int)(parts[p].x+0.5f);
int oldY = (int)(parts[p].y+0.5f);
if ((pmap[oldY][oldX]>>8)==p)
pmap[oldY][oldX] = 0;
if ((photons[oldY][oldX]>>8)==p)
photons[oldY][oldX] = 0;
if (parts[p].type == PT_STKM)
{
player.spwn = 0;
}
else if (parts[p].type == PT_STKM2)
{
player2.spwn = 0;
}
else if (parts[p].type == PT_FIGH)
{
fighters[(unsigned char)parts[p].tmp].spwn = 0;
fighcount--;
}
else if (parts[p].type == PT_SOAP)
{
Element_SOAP::detach(this, p);
}
else if (parts[p].type == PT_ETRD && parts[p].life == 0)
etrd_life0_count--;
i = p;
}
if (i>parts_lastActiveIndex) parts_lastActiveIndex = i;
parts[i].x = (float)x;
parts[i].y = (float)y;
parts[i].type = t;
parts[i].vx = 0;
parts[i].vy = 0;
parts[i].life = 0;
parts[i].ctype = 0;
parts[i].temp = elements[t].Temperature;
parts[i].tmp = 0;
parts[i].tmp2 = 0;
parts[i].dcolour = 0;
parts[i].flags = 0;
if (t == PT_GLAS || t == PT_QRTZ || t == PT_TUNG)
{
parts[i].pavg[0] = 0.0f;
parts[i].pavg[1] = pv[y/CELL][x/CELL];
}
else
{
parts[i].pavg[0] = 0.0f;
parts[i].pavg[1] = 0.0f;
}
switch (t)
{
case PT_SOAP:
parts[i].tmp = -1;
parts[i].tmp2 = -1;
break;
case PT_ACID: case PT_CAUS:
parts[i].life = 75;
break;
case PT_WARP:
parts[i].life = rand()%95+70;
break;
case PT_FUSE:
parts[i].life = 50;
parts[i].tmp = 50;
break;
case PT_LIFE:
if (v < NGOL)
{
parts[i].tmp = grule[v+1][9] - 1;
parts[i].ctype = v;
}
break;
case PT_DEUT:
parts[i].life = 10;
break;
case PT_MERC:
parts[i].tmp = 10;
break;
case PT_BRAY:
parts[i].life = 30;
break;
case PT_GPMP: case PT_PUMP:
parts[i].life = 10;
break;
case PT_SING:
parts[i].life = rand()%50+60;
break;
case PT_QRTZ:
case PT_PQRT:
parts[i].tmp2 = (rand()%11);
break;
case PT_CLST:
parts[i].tmp = (rand()%7);
break;
case PT_FSEP:
parts[i].life = 50;
break;
case PT_COAL:
parts[i].life = 110;
parts[i].tmp = 50;
break;
case PT_IGNT:
parts[i].life = 3;
break;
case PT_FRZW:
parts[i].life = 100;
break;
case PT_PPIP:
case PT_PIPE:
parts[i].life = 60;
break;
case PT_BCOL:
parts[i].life = 110;
break;
case PT_FIRE:
parts[i].life = rand()%50+120;
break;
case PT_PLSM:
parts[i].life = rand()%150+50;
break;
case PT_CFLM:
parts[i].life = rand()%150+50;
break;
case PT_LAVA:
parts[i].life = rand()%120+240;
break;
case PT_NBLE:
parts[i].life = 0;
break;
case PT_ICEI:
parts[i].ctype = PT_WATR;
break;
case PT_MORT:
parts[i].vx = 2;
break;
case PT_EXOT:
parts[i].life = 1000;
parts[i].tmp = 244;
break;
case PT_EMBR:
parts[i].life = 50;
break;
case PT_TESC:
parts[i].tmp = v;
if (parts[i].tmp > 300)
parts[i].tmp=300;
break;
case PT_BIZR: case PT_BIZRG: case PT_BIZRS:
parts[i].ctype = 0x47FFFF;
break;
case PT_DTEC:
case PT_TSNS:
case PT_LSNS:
parts[i].tmp2 = 2;
break;
case PT_VINE:
parts[i].tmp = 1;
break;
case PT_VIRS:
case PT_VRSS:
case PT_VRSG:
parts[i].pavg[1] = 250;
break;
case PT_CRMC:
parts[i].tmp2 = (rand() % 5);
break;
case PT_ETRD:
etrd_life0_count++;
break;
case PT_STKM:
{
if (player.spwn == 0)
{
parts[i].life = 100;
Element_STKM::STKM_init_legs(this, &player, i);
player.spwn = 1;
player.rocketBoots = false;
}
else
{
parts[i].type = 0;
return -1;
}
int spawnID = create_part(-3, x, y, PT_SPAWN);
if (spawnID >= 0)
player.spawnID = spawnID;
break;
}
case PT_STKM2:
{
if (player2.spwn == 0)
{
parts[i].life = 100;
Element_STKM::STKM_init_legs(this, &player2, i);
player2.spwn = 1;
player2.rocketBoots = false;
}
else
{
parts[i].type = 0;
return -1;
}
int spawnID = create_part(-3, x, y, PT_SPAWN2);
if (spawnID >= 0)
player2.spawnID = spawnID;
break;
}
case PT_FIGH:
{
unsigned char fcount = 0;
while (fcount < MAX_FIGHTERS && fighters[fcount].spwn==1) fcount++;
if (fcount < MAX_FIGHTERS && fighters[fcount].spwn == 0)
{
parts[i].life = 100;
parts[i].tmp = fcount;
Element_STKM::STKM_init_legs(this, &fighters[fcount], i);
fighters[fcount].spwn = 1;
fighters[fcount].elem = PT_DUST;
fighters[fcount].rocketBoots = false;
fighcount++;
return i;
}
parts[i].type=0;
return -1;
}
case PT_PHOT:
{
float a = (rand()%8) * 0.78540f;
parts[i].life = 680;
parts[i].ctype = 0x3FFFFFFF;
parts[i].vx = 3.0f*cosf(a);
parts[i].vy = 3.0f*sinf(a);
if ((pmap[y][x]&0xFF) == PT_FILT)
parts[i].ctype = Element_FILT::interactWavelengths(&parts[pmap[y][x]>>8], parts[i].ctype);
break;
}
case PT_ELEC:
{
float a = (rand()%360)*3.14159f/180.0f;
parts[i].life = 680;
parts[i].vx = 2.0f*cosf(a);
parts[i].vy = 2.0f*sinf(a);
break;
}
case PT_NEUT:
{
float r = (rand()%128+128)/127.0f;
float a = (rand()%360)*3.14159f/180.0f;
parts[i].life = rand()%480+480;
parts[i].vx = r*cosf(a);
parts[i].vy = r*sinf(a);
break;
}
case PT_PROT:
{
float a = (rand()%36)* 0.17453f;
parts[i].life = 680;
parts[i].vx = 2.0f*cosf(a);
parts[i].vy = 2.0f*sinf(a);
break;
}
case PT_GRVT:
{
float a = (rand()%360)*3.14159f/180.0f;
parts[i].life = 250 + rand()%200;
parts[i].vx = 2.0f*cosf(a);
parts[i].vy = 2.0f*sinf(a);
parts[i].tmp = 7;
break;
}
case PT_TRON:
{
int randhue = rand()%360;
int randomdir = rand()%4;
parts[i].tmp = 1|(randomdir<<5)|(randhue<<7);//set as a head and a direction
parts[i].tmp2 = 4;//tail
parts[i].life = 5;
break;
}
case PT_LIGH:
{
float gx, gy, gsize;
if (v >= 0)
{
if (v > 55)
v = 55;
parts[i].life = v;
}
else
parts[i].life = 30;
parts[i].temp = parts[i].life*150.0f; // temperature of the lightning shows the power of the lightning
GetGravityField(x, y, 1.0f, 1.0f, gx, gy);
gsize = gx*gx+gy*gy;
if (gsize<0.0016f)
{
float angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
gsize = sqrtf(gsize);
// randomness in weak gravity fields (more randomness with weaker fields)
gx += cosf(angle)*(0.04f-gsize);
gy += sinf(angle)*(0.04f-gsize);
}
parts[i].tmp = (((int)(atan2f(-gy, gx)*(180.0f/M_PI)))+rand()%40-20+360)%360;
parts[i].tmp2 = 4;
break;
}
case PT_FILT:
parts[i].tmp = v;
break;
default:
break;
}
//and finally set the pmap/photon maps to the newly created particle
if (elements[t].Properties & TYPE_ENERGY)
photons[y][x] = t|(i<<8);
else if (t!=PT_STKM && t!=PT_STKM2 && t!=PT_FIGH)
pmap[y][x] = t|(i<<8);
//Fancy dust effects for powder types
if((elements[t].Properties & TYPE_PART) && pretty_powder)
{
int colr, colg, colb;
colr = PIXR(elements[t].Colour)+sandcolour*1.3+(rand()%40)-20+(rand()%30)-15;
colg = PIXG(elements[t].Colour)+sandcolour*1.3+(rand()%40)-20+(rand()%30)-15;
colb = PIXB(elements[t].Colour)+sandcolour*1.3+(rand()%40)-20+(rand()%30)-15;
colr = colr>255 ? 255 : (colr<0 ? 0 : colr);
colg = colg>255 ? 255 : (colg<0 ? 0 : colg);
colb = colb>255 ? 255 : (colb<0 ? 0 : colb);
parts[i].dcolour = ((rand()%150)<<24) | (colr<<16) | (colg<<8) | colb;
}
elementCount[t]++;
return i;
}
void Simulation::GetGravityField(int x, int y, float particleGrav, float newtonGrav, float & pGravX, float & pGravY)
{
pGravX = newtonGrav*gravx[(y/CELL)*(XRES/CELL)+(x/CELL)];
pGravY = newtonGrav*gravy[(y/CELL)*(XRES/CELL)+(x/CELL)];
switch (gravityMode)
{
default:
case 0: //normal, vertical gravity
pGravY += particleGrav;
break;
case 1: //no gravity
break;
case 2: //radial gravity
if (x-XCNTR != 0 || y-YCNTR != 0)
{
float pGravMult = particleGrav/sqrtf((x-XCNTR)*(x-XCNTR) + (y-YCNTR)*(y-YCNTR));
pGravX -= pGravMult * (float)(x - XCNTR);
pGravY -= pGravMult * (float)(y - YCNTR);
}
}
}
void Simulation::create_gain_photon(int pp)//photons from PHOT going through GLOW
{
float xx, yy;
int i, lr, temp_bin, nx, ny;
if (pfree == -1)
return;
i = pfree;
lr = rand() % 2;
if (lr) {
xx = parts[pp].x - 0.3*parts[pp].vy;
yy = parts[pp].y + 0.3*parts[pp].vx;
} else {
xx = parts[pp].x + 0.3*parts[pp].vy;
yy = parts[pp].y - 0.3*parts[pp].vx;
}
nx = (int)(xx + 0.5f);
ny = (int)(yy + 0.5f);
if (nx<0 || ny<0 || nx>=XRES || ny>=YRES)
return;
if ((pmap[ny][nx] & 0xFF) != PT_GLOW)
return;
pfree = parts[i].life;
if (i>parts_lastActiveIndex) parts_lastActiveIndex = i;
parts[i].type = PT_PHOT;
parts[i].life = 680;
parts[i].x = xx;
parts[i].y = yy;
parts[i].vx = parts[pp].vx;
parts[i].vy = parts[pp].vy;
parts[i].temp = parts[pmap[ny][nx] >> 8].temp;
parts[i].tmp = 0;
parts[i].pavg[0] = parts[i].pavg[1] = 0.0f;
photons[ny][nx] = PT_PHOT|(i<<8);
temp_bin = (int)((parts[i].temp-273.0f)*0.25f);
if (temp_bin < 0) temp_bin = 0;
if (temp_bin > 25) temp_bin = 25;
parts[i].ctype = 0x1F << temp_bin;
}
void Simulation::create_cherenkov_photon(int pp)//photons from NEUT going through GLAS
{
int i, lr, nx, ny;
float r;
if (pfree == -1)
return;
i = pfree;
nx = (int)(parts[pp].x + 0.5f);
ny = (int)(parts[pp].y + 0.5f);
if ((pmap[ny][nx] & 0xFF) != PT_GLAS && (pmap[ny][nx] & 0xFF) != PT_BGLA)
return;
if (hypotf(parts[pp].vx, parts[pp].vy) < 1.44f)
return;
pfree = parts[i].life;
if (i>parts_lastActiveIndex) parts_lastActiveIndex = i;
lr = rand() % 2;
parts[i].type = PT_PHOT;
parts[i].ctype = 0x00000F80;
parts[i].life = 680;
parts[i].x = parts[pp].x;
parts[i].y = parts[pp].y;
parts[i].temp = parts[pmap[ny][nx] >> 8].temp;
parts[i].tmp = 0;
parts[i].pavg[0] = parts[i].pavg[1] = 0.0f;
photons[ny][nx] = PT_PHOT|(i<<8);
if (lr) {
parts[i].vx = parts[pp].vx - 2.5f*parts[pp].vy;
parts[i].vy = parts[pp].vy + 2.5f*parts[pp].vx;
} else {
parts[i].vx = parts[pp].vx + 2.5f*parts[pp].vy;
parts[i].vy = parts[pp].vy - 2.5f*parts[pp].vx;
}
/* photons have speed of light. no discussion. */
r = 1.269 / hypotf(parts[i].vx, parts[i].vy);
parts[i].vx *= r;
parts[i].vy *= r;
}
void Simulation::delete_part(int x, int y)//calls kill_part with the particle located at x,y
{
unsigned i;
if (x<0 || y<0 || x>=XRES || y>=YRES)
return;
if (photons[y][x]) {
i = photons[y][x];
} else {
i = pmap[y][x];
}
if (!i)
return;
kill_part(i>>8);
}
void Simulation::UpdateParticles(int start, int end)
{
int i, j, x, y, t, nx, ny, r, surround_space, s, rt, nt;
float mv, dx, dy, nrx, nry, dp, ctemph, ctempl, gravtot;
int fin_x, fin_y, clear_x, clear_y, stagnant;
float fin_xf, fin_yf, clear_xf, clear_yf;
float nn, ct1, ct2, swappage;
float pt = R_TEMP;
float c_heat = 0.0f;
int h_count = 0;
int surround[8];
int surround_hconduct[8];
float pGravX, pGravY, pGravD;
bool transitionOccurred;
//the main particle loop function, goes over all particles.
for (i = start; i <= end && i <= parts_lastActiveIndex; i++)
if (parts[i].type)
{
t = parts[i].type;
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
//this kills any particle out of the screen, or in a wall where it isn't supposed to go
if (x<CELL || y<CELL || x>=XRES-CELL || y>=YRES-CELL ||
(bmap[y/CELL][x/CELL] &&
(bmap[y/CELL][x/CELL]==WL_WALL ||
bmap[y/CELL][x/CELL]==WL_WALLELEC ||
bmap[y/CELL][x/CELL]==WL_ALLOWAIR ||
(bmap[y/CELL][x/CELL]==WL_DESTROYALL) ||
(bmap[y/CELL][x/CELL]==WL_ALLOWLIQUID && !(elements[t].Properties&TYPE_LIQUID)) ||
(bmap[y/CELL][x/CELL]==WL_ALLOWPOWDER && !(elements[t].Properties&TYPE_PART)) ||
(bmap[y/CELL][x/CELL]==WL_ALLOWGAS && !(elements[t].Properties&TYPE_GAS)) || //&& elements[t].Falldown!=0 && parts[i].type!=PT_FIRE && parts[i].type!=PT_SMKE && parts[i].type!=PT_CFLM) ||
(bmap[y/CELL][x/CELL]==WL_ALLOWENERGY && !(elements[t].Properties&TYPE_ENERGY)) ||
(bmap[y/CELL][x/CELL]==WL_DETECT && (t==PT_METL || t==PT_SPRK)) ||
(bmap[y/CELL][x/CELL]==WL_EWALL && !emap[y/CELL][x/CELL])) && (t!=PT_STKM) && (t!=PT_STKM2) && (t!=PT_FIGH)))
{
kill_part(i);
continue;
}
if (bmap[y/CELL][x/CELL]==WL_DETECT && emap[y/CELL][x/CELL]<8)
set_emap(x/CELL, y/CELL);
//adding to velocity from the particle's velocity
vx[y/CELL][x/CELL] = vx[y/CELL][x/CELL]*elements[t].AirLoss + elements[t].AirDrag*parts[i].vx;
vy[y/CELL][x/CELL] = vy[y/CELL][x/CELL]*elements[t].AirLoss + elements[t].AirDrag*parts[i].vy;
if (elements[t].HotAir)
{
if (t==PT_GAS||t==PT_NBLE)
{
if (pv[y/CELL][x/CELL]<3.5f)
pv[y/CELL][x/CELL] += elements[t].HotAir*(3.5f-pv[y/CELL][x/CELL]);
if (y+CELL<YRES && pv[y/CELL+1][x/CELL]<3.5f)
pv[y/CELL+1][x/CELL] += elements[t].HotAir*(3.5f-pv[y/CELL+1][x/CELL]);
if (x+CELL<XRES)
{
if (pv[y/CELL][x/CELL+1]<3.5f)
pv[y/CELL][x/CELL+1] += elements[t].HotAir*(3.5f-pv[y/CELL][x/CELL+1]);
if (y+CELL<YRES && pv[y/CELL+1][x/CELL+1]<3.5f)
pv[y/CELL+1][x/CELL+1] += elements[t].HotAir*(3.5f-pv[y/CELL+1][x/CELL+1]);
}
}
else//add the hotair variable to the pressure map, like black hole, or white hole.
{
pv[y/CELL][x/CELL] += elements[t].HotAir;
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL] += elements[t].HotAir;
if (x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += elements[t].HotAir;
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += elements[t].HotAir;
}
}
}
if (elements[t].Gravity || !(elements[t].Properties & TYPE_SOLID))
{
//Gravity mode by Moach
switch (gravityMode)
{
default:
case 0:
pGravX = 0.0f;
pGravY = elements[t].Gravity;
break;
case 1:
pGravX = pGravY = 0.0f;
break;
case 2:
pGravD = 0.01f - hypotf((x - XCNTR), (y - YCNTR));
pGravX = elements[t].Gravity * ((float)(x - XCNTR) / pGravD);
pGravY = elements[t].Gravity * ((float)(y - YCNTR) / pGravD);
break;
}
//Get some gravity from the gravity map
if (t==PT_ANAR)
{
// perhaps we should have a ptypes variable for this
pGravX -= gravx[(y/CELL)*(XRES/CELL)+(x/CELL)];
pGravY -= gravy[(y/CELL)*(XRES/CELL)+(x/CELL)];
}
else if(t!=PT_STKM && t!=PT_STKM2 && t!=PT_FIGH && !(elements[t].Properties & TYPE_SOLID))
{
pGravX += gravx[(y/CELL)*(XRES/CELL)+(x/CELL)];
pGravY += gravy[(y/CELL)*(XRES/CELL)+(x/CELL)];
}
}
else
pGravX = pGravY = 0;
//velocity updates for the particle
if (t != PT_SPNG || !(parts[i].flags&FLAG_MOVABLE))
{
parts[i].vx *= elements[t].Loss;
parts[i].vy *= elements[t].Loss;
}
//particle gets velocity from the vx and vy maps
parts[i].vx += elements[t].Advection*vx[y/CELL][x/CELL] + pGravX;
parts[i].vy += elements[t].Advection*vy[y/CELL][x/CELL] + pGravY;
if (elements[t].Diffusion)//the random diffusion that gasses have
{
#ifdef REALISTIC
//The magic number controls diffusion speed
parts[i].vx += 0.05*sqrtf(parts[i].temp)*elements[t].Diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += 0.05*sqrtf(parts[i].temp)*elements[t].Diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
#else
parts[i].vx += elements[t].Diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += elements[t].Diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
#endif
}
transitionOccurred = false;
j = surround_space = nt = 0;//if nt is greater than 1 after this, then there is a particle around the current particle, that is NOT the current particle's type, for water movement.
for (nx=-1; nx<2; nx++)
for (ny=-1; ny<2; ny++) {
if (nx||ny) {
surround[j] = r = pmap[y+ny][x+nx];
j++;
if (!(r&0xFF))
surround_space++;//there is empty space
if ((r&0xFF)!=t)
nt++;//there is nothing or a different particle
}
}
float gel_scale = 1.0f;
if (t==PT_GEL)
gel_scale = parts[i].tmp*2.55f;
if (!legacy_enable)
{
if (y-2 >= 0 && y-2 < YRES && (elements[t].Properties&TYPE_LIQUID) && (t!=PT_GEL || gel_scale>(1+rand()%255))) {//some heat convection for liquids
r = pmap[y-2][x];
if (!(!r || parts[i].type != (r&0xFF))) {
if (parts[i].temp>parts[r>>8].temp) {
swappage = parts[i].temp;
parts[i].temp = parts[r>>8].temp;
parts[r>>8].temp = swappage;
}
}
}
//heat transfer code
h_count = 0;
#ifdef REALISTIC
if (t&&(t!=PT_HSWC||parts[i].life==10)&&(elements[t].HeatConduct*gel_scale))
#else
if (t&&(t!=PT_HSWC||parts[i].life==10)&&(elements[t].HeatConduct*gel_scale)>(rand()%250))
#endif
{
if (aheat_enable && !(elements[t].Properties&PROP_NOAMBHEAT))
{
#ifdef REALISTIC
c_heat = parts[i].temp*96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight) + hv[y/CELL][x/CELL]*100*(pv[y/CELL][x/CELL]+273.15f)/256;
float c_Cm = 96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight) + 100*(pv[y/CELL][x/CELL]+273.15f)/256;
pt = c_heat/c_Cm;
pt = restrict_flt(pt, -MAX_TEMP+MIN_TEMP, MAX_TEMP-MIN_TEMP);
parts[i].temp = pt;
//Pressure increase from heat (temporary)
pv[y/CELL][x/CELL] += (pt-hv[y/CELL][x/CELL])*0.004;
hv[y/CELL][x/CELL] = pt;
#else
c_heat = (hv[y/CELL][x/CELL]-parts[i].temp)*0.04;
c_heat = restrict_flt(c_heat, -MAX_TEMP+MIN_TEMP, MAX_TEMP-MIN_TEMP);
parts[i].temp += c_heat;
hv[y/CELL][x/CELL] -= c_heat;
#endif
}
c_heat = 0.0f;
#ifdef REALISTIC
float c_Cm = 0.0f;
#endif
for (j=0; j<8; j++)
{
surround_hconduct[j] = i;
r = surround[j];
if (!r)
continue;
rt = r&0xFF;
if (rt&&elements[rt].HeatConduct&&(rt!=PT_HSWC||parts[r>>8].life==10)
&&(t!=PT_FILT||(rt!=PT_BRAY&&rt!=PT_BIZR&&rt!=PT_BIZRG))
&&(rt!=PT_FILT||(t!=PT_BRAY&&t!=PT_PHOT&&t!=PT_BIZR&&t!=PT_BIZRG))
&&(t!=PT_ELEC||rt!=PT_DEUT)
&&(t!=PT_DEUT||rt!=PT_ELEC))
{
surround_hconduct[j] = r>>8;
#ifdef REALISTIC
if (rt==PT_GEL)
gel_scale = parts[r>>8].tmp*2.55f;
else gel_scale = 1.0f;
c_heat += parts[r>>8].temp*96.645/elements[rt].HeatConduct*gel_scale*fabs(elements[rt].Weight);
c_Cm += 96.645/elements[rt].HeatConduct*gel_scale*fabs(elements[rt].Weight);
#else
c_heat += parts[r>>8].temp;
#endif
h_count++;
}
}
#ifdef REALISTIC
if (t==PT_GEL)
gel_scale = parts[i].tmp*2.55f;
else gel_scale = 1.0f;
if (t == PT_PHOT)
pt = (c_heat+parts[i].temp*96.645)/(c_Cm+96.645);
else
pt = (c_heat+parts[i].temp*96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight))/(c_Cm+96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight));
c_heat += parts[i].temp*96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight);
c_Cm += 96.645/elements[t].HeatConduct*gel_scale*fabs(elements[t].Weight);
parts[i].temp = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
#else
pt = (c_heat+parts[i].temp)/(h_count+1);
pt = parts[i].temp = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
for (j=0; j<8; j++)
{
parts[surround_hconduct[j]].temp = pt;
}
#endif
ctemph = ctempl = pt;
// change boiling point with pressure
if (((elements[t].Properties&TYPE_LIQUID) && IsValidElement(elements[t].HighTemperatureTransition) && (elements[elements[t].HighTemperatureTransition].Properties&TYPE_GAS))
|| t==PT_LNTG || t==PT_SLTW)
ctemph -= 2.0f*pv[y/CELL][x/CELL];
else if (((elements[t].Properties&TYPE_GAS) && IsValidElement(elements[t].LowTemperatureTransition) && (elements[elements[t].LowTemperatureTransition].Properties&TYPE_LIQUID))
|| t==PT_WTRV)
ctempl -= 2.0f*pv[y/CELL][x/CELL];
s = 1;
//A fix for ice with ctype = 0
if ((t==PT_ICEI || t==PT_SNOW) && (!parts[i].ctype || !IsValidElement(parts[i].ctype) || parts[i].ctype==PT_ICEI || parts[i].ctype==PT_SNOW))
parts[i].ctype = PT_WATR;
if (elements[t].HighTemperatureTransition>-1 && ctemph>=elements[t].HighTemperature)
{
// particle type change due to high temperature
#ifdef REALISTIC
float dbt = ctempl - pt;
if (elements[t].HighTemperatureTransition != PT_NUM)
{
if (platent[t] <= (c_heat - (elements[t].HighTemperature - dbt)*c_Cm))
{
pt = (c_heat - platent[t])/c_Cm;
t = elements[t].HighTemperatureTransition;
}
else
{
parts[i].temp = restrict_flt(elements[t].HighTemperature - dbt, MIN_TEMP, MAX_TEMP);
s = 0;
}
}
#else
if (elements[t].HighTemperatureTransition != PT_NUM)
t = elements[t].HighTemperatureTransition;
#endif
else if (t == PT_ICEI || t == PT_SNOW)
{
if (parts[i].ctype > 0 && parts[i].ctype < PT_NUM && parts[i].ctype != t)
{
if (elements[parts[i].ctype].LowTemperatureTransition==PT_ICEI || elements[parts[i].ctype].LowTemperatureTransition==PT_SNOW)
{
if (pt<elements[parts[i].ctype].LowTemperature)
s = 0;
}
else if (pt<273.15f)
s = 0;
if (s)
{
#ifdef REALISTIC
//One ice table value for all it's kinds
if (platent[t] <= (c_heat - (elements[parts[i].ctype].LowTemperature - dbt)*c_Cm))
{
pt = (c_heat - platent[t])/c_Cm;
t = parts[i].ctype;
parts[i].ctype = PT_NONE;
parts[i].life = 0;
}
else
{
parts[i].temp = restrict_flt(elements[parts[i].ctype].LowTemperature - dbt, MIN_TEMP, MAX_TEMP);
s = 0;
}
#else
t = parts[i].ctype;
parts[i].ctype = PT_NONE;
parts[i].life = 0;
#endif
}
}
else
s = 0;
}
else if (t == PT_SLTW)
{
#ifdef REALISTIC
if (platent[t] <= (c_heat - (elements[t].HighTemperature - dbt)*c_Cm))
{
pt = (c_heat - platent[t])/c_Cm;
if (rand()%4==0) t = PT_SALT;
else t = PT_WTRV;
}
else
{
parts[i].temp = restrict_flt(elements[t].HighTemperature - dbt, MIN_TEMP, MAX_TEMP);
s = 0;
}
#else
if (rand()%4 == 0)
t = PT_SALT;
else
t = PT_WTRV;
#endif
}
else if (t == PT_BRMT)
{
if (parts[i].ctype == PT_TUNG)
{
if (ctemph < elements[parts[i].ctype].HighTemperature)
s = 0;
else
{
t = PT_LAVA;
parts[i].type = PT_TUNG;
}
}
else if (ctemph >= elements[t].HighTemperature)
t = PT_LAVA;
else
s = 0;
}
else if (t == PT_CRMC)
{
float pres = std::max((pv[y/CELL][x/CELL]+pv[(y-2)/CELL][x/CELL]+pv[(y+2)/CELL][x/CELL]+pv[y/CELL][(x-2)/CELL]+pv[y/CELL][(x+2)/CELL])*2.0f, 0.0f);
if (ctemph < pres+elements[PT_CRMC].HighTemperature)
s = 0;
else
t = PT_LAVA;
}
else
s = 0;
}
else if (elements[t].LowTemperatureTransition > -1 && ctempl<elements[t].LowTemperature)
{
// particle type change due to low temperature
#ifdef REALISTIC
float dbt = ctempl - pt;
if (elements[t].LowTemperatureTransition != PT_NUM)
{
if (platent[elements[t].LowTemperatureTransition] >= (c_heat - (elements[t].LowTemperature - dbt)*c_Cm))
{
pt = (c_heat + platent[elements[t].LowTemperatureTransition])/c_Cm;
t = elements[t].LowTemperatureTransition;
}
else
{
parts[i].temp = restrict_flt(elements[t].LowTemperature - dbt, MIN_TEMP, MAX_TEMP);
s = 0;
}
}
#else
if (elements[t].LowTemperatureTransition != PT_NUM)
t = elements[t].LowTemperatureTransition;
#endif
else if (t == PT_WTRV)
{
if (pt < 273.0f)
t = PT_RIME;
else
t = PT_DSTW;
}
else if (t == PT_LAVA)
{
if (parts[i].ctype>0 && parts[i].ctype<PT_NUM && parts[i].ctype!=PT_LAVA && parts[i].ctype!=PT_LAVA && elements[parts[i].ctype].Enabled)
{
if (parts[i].ctype==PT_THRM&&pt>=elements[PT_BMTL].HighTemperature)
s = 0;
else if ((parts[i].ctype==PT_VIBR || parts[i].ctype==PT_BVBR) && pt>=273.15f)
s = 0;
else if (parts[i].ctype==PT_TUNG)
{
// TUNG does its own melting in its update function, so HighTemperatureTransition is not LAVA so it won't be handled by the code for HighTemperatureTransition==PT_LAVA below
// However, the threshold is stored in HighTemperature to allow it to be changed from Lua
if (pt>=elements[parts[i].ctype].HighTemperature)
s = 0;
}
else if (parts[i].ctype == PT_CRMC)
{
float pres = std::max((pv[y/CELL][x/CELL]+pv[(y-2)/CELL][x/CELL]+pv[(y+2)/CELL][x/CELL]+pv[y/CELL][(x-2)/CELL]+pv[y/CELL][(x+2)/CELL])*2.0f, 0.0f);
if (ctemph >= pres+elements[PT_CRMC].HighTemperature)
s = 0;
}
else if (elements[parts[i].ctype].HighTemperatureTransition == PT_LAVA || parts[i].ctype == PT_HEAC)
{
if (pt >= elements[parts[i].ctype].HighTemperature)
s = 0;
}
else if (pt>=973.0f)
s = 0; // freezing point for lava with any other (not listed in ptransitions as turning into lava) ctype
if (s)
{
t = parts[i].ctype;
parts[i].ctype = PT_NONE;
if (t == PT_THRM)
{
parts[i].tmp = 0;
t = PT_BMTL;
}
if (t == PT_PLUT)
{
parts[i].tmp = 0;
t = PT_LAVA;
}
}
}
else if (pt<973.0f)
t = PT_STNE;
else
s = 0;
}
else
s = 0;
}
else
s = 0;
#ifdef REALISTIC
pt = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
for (j=0; j<8; j++)
{
parts[surround_hconduct[j]].temp = pt;
}
#endif
if (s) // particle type change occurred
{
if (t==PT_ICEI || t==PT_LAVA || t==PT_SNOW)
parts[i].ctype = parts[i].type;
if (!(t==PT_ICEI && parts[i].ctype==PT_FRZW))
parts[i].life = 0;
if (t == PT_FIRE)
{
//hackish, if tmp isn't 0 the FIRE might turn into DSTW later
//idealy transitions should use create_part(i) but some elements rely on properties staying constant
//and I don't feel like checking each one right now
parts[i].tmp = 0;
}
if ((elements[t].Properties&TYPE_GAS) && !(elements[parts[i].type].Properties&TYPE_GAS))
pv[y/CELL][x/CELL] += 0.50f;
if (t == PT_NONE)
{
kill_part(i);
goto killed;
}
else
part_change_type(i,x,y,t);
// part_change_type could refuse to change the type and kill the particle
// for example, changing type to STKM but one already exists
// we need to account for that to not cause simulation corruption issues
if (parts[i].type == PT_NONE)
goto killed;
if (t==PT_FIRE || t==PT_PLSM || t==PT_CFLM)
parts[i].life = rand()%50+120;
if (t == PT_LAVA)
{
if (parts[i].ctype == PT_BRMT) parts[i].ctype = PT_BMTL;
else if (parts[i].ctype == PT_SAND) parts[i].ctype = PT_GLAS;
else if (parts[i].ctype == PT_BGLA) parts[i].ctype = PT_GLAS;
else if (parts[i].ctype == PT_PQRT) parts[i].ctype = PT_QRTZ;
parts[i].life = rand()%120+240;
}
transitionOccurred = true;
}
pt = parts[i].temp = restrict_flt(parts[i].temp, MIN_TEMP, MAX_TEMP);
if (t == PT_LAVA)
{
parts[i].life = restrict_flt((parts[i].temp-700)/7, 0.0f, 400.0f);
if (parts[i].ctype==PT_THRM&&parts[i].tmp>0)
{
parts[i].tmp--;
parts[i].temp = 3500;
}
if (parts[i].ctype==PT_PLUT&&parts[i].tmp>0)
{
parts[i].tmp--;
parts[i].temp = MAX_TEMP;
}
}
}
else
{
if (!(air->bmap_blockairh[y/CELL][x/CELL]&0x8))
air->bmap_blockairh[y/CELL][x/CELL]++;
parts[i].temp = restrict_flt(parts[i].temp, MIN_TEMP, MAX_TEMP);
}
}
if (t==PT_LIFE)
{
parts[i].temp = restrict_flt(parts[i].temp-50.0f, MIN_TEMP, MAX_TEMP);
}
if (t==PT_WIRE)
{
//wire_placed = 1;
}
//spark updates from walls
if ((elements[t].Properties&PROP_CONDUCTS) || t==PT_SPRK)
{
nx = x % CELL;
if (nx == 0)
nx = x/CELL - 1;
else if (nx == CELL-1)
nx = x/CELL + 1;
else
nx = x/CELL;
ny = y % CELL;
if (ny == 0)
ny = y/CELL - 1;
else if (ny == CELL-1)
ny = y/CELL + 1;
else
ny = y/CELL;
if (nx>=0 && ny>=0 && nx<XRES/CELL && ny<YRES/CELL)
{
if (t!=PT_SPRK)
{
if (emap[ny][nx]==12 && !parts[i].life)
{
part_change_type(i,x,y,PT_SPRK);
parts[i].life = 4;
parts[i].ctype = t;
t = PT_SPRK;
}
}
else if (bmap[ny][nx]==WL_DETECT || bmap[ny][nx]==WL_EWALL || bmap[ny][nx]==WL_ALLOWLIQUID || bmap[ny][nx]==WL_WALLELEC || bmap[ny][nx]==WL_ALLOWALLELEC || bmap[ny][nx]==WL_EHOLE)
set_emap(nx, ny);
}
}
//the basic explosion, from the .explosive variable
if ((elements[t].Explosive&2) && pv[y/CELL][x/CELL]>2.5f)
{
parts[i].life = rand()%80+180;
parts[i].temp = restrict_flt(elements[PT_FIRE].Temperature + (elements[t].Flammable/2), MIN_TEMP, MAX_TEMP);
t = PT_FIRE;
part_change_type(i,x,y,t);
pv[y/CELL][x/CELL] += 0.25f * CFDS;
}
s = 1;
gravtot = fabs(gravy[(y/CELL)*(XRES/CELL)+(x/CELL)])+fabs(gravx[(y/CELL)*(XRES/CELL)+(x/CELL)]);
if (elements[t].HighPressureTransition>-1 && pv[y/CELL][x/CELL]>elements[t].HighPressure) {
// particle type change due to high pressure
if (elements[t].HighPressureTransition!=PT_NUM)
t = elements[t].HighPressureTransition;
else if (t==PT_BMTL) {
if (pv[y/CELL][x/CELL]>2.5f)
t = PT_BRMT;
else if (pv[y/CELL][x/CELL]>1.0f && parts[i].tmp==1)
t = PT_BRMT;
else s = 0;
}
else s = 0;
} else if (elements[t].LowPressureTransition>-1 && pv[y/CELL][x/CELL]<elements[t].LowPressure && gravtot<=(elements[t].LowPressure/4.0f)) {
// particle type change due to low pressure
if (elements[t].LowPressureTransition!=PT_NUM)
t = elements[t].LowPressureTransition;
else s = 0;
} else if (elements[t].HighPressureTransition>-1 && gravtot>(elements[t].HighPressure/4.0f)) {
// particle type change due to high gravity
if (elements[t].HighPressureTransition!=PT_NUM)
t = elements[t].HighPressureTransition;
else if (t==PT_BMTL) {
if (gravtot>0.625f)
t = PT_BRMT;
else if (gravtot>0.25f && parts[i].tmp==1)
t = PT_BRMT;
else s = 0;
}
else s = 0;
} else s = 0;
// particle type change occurred
if (s)
{
parts[i].life = 0;
part_change_type(i,x,y,t);
// part_change_type could refuse to change the type and kill the particle
// for example, changing type to STKM but one already exists
// we need to account for that to not cause simulation corruption issues
if (parts[i].type == PT_NONE)
goto killed;
if (t==PT_FIRE)
parts[i].life = rand()%50+120;
if (t==PT_NONE)
{
kill_part(i);
goto killed;
}
transitionOccurred = true;
}
//call the particle update function, if there is one
#if !defined(RENDERER) && defined(LUACONSOLE)
if (lua_el_mode[parts[i].type] == 3)
{
if (luacon_elementReplacement(this, i, x, y, surround_space, nt, parts, pmap) || t != parts[i].type)
continue;
// Need to update variables, in case they've been changed by Lua
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
}
if (elements[t].Update && lua_el_mode[t] != 2)
#else
if (elements[t].Update)
#endif
{
if ((*(elements[t].Update))(this, i, x, y, surround_space, nt, parts, pmap))
continue;
else if (t==PT_WARP)
{
// Warp does some movement in its update func, update variables to avoid incorrect data in pmap
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
}
}
#if !defined(RENDERER) && defined(LUACONSOLE)
if (lua_el_mode[parts[i].type] && lua_el_mode[parts[i].type] != 3)
{
if (luacon_elementReplacement(this, i, x, y, surround_space, nt, parts, pmap) || t != parts[i].type)
continue;
// Need to update variables, in case they've been changed by Lua
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
}
#endif
if(legacy_enable)//if heat sim is off
Element::legacyUpdate(this, i,x,y,surround_space,nt, parts, pmap);
killed:
if (parts[i].type == PT_NONE)//if its dead, skip to next particle
continue;
if (transitionOccurred)
continue;
if (!parts[i].vx&&!parts[i].vy)//if its not moving, skip to next particle, movement code it next
continue;
mv = fmaxf(fabsf(parts[i].vx), fabsf(parts[i].vy));
if (mv < ISTP)
{
clear_x = x;
clear_y = y;
clear_xf = parts[i].x;
clear_yf = parts[i].y;
fin_xf = clear_xf + parts[i].vx;
fin_yf = clear_yf + parts[i].vy;
fin_x = (int)(fin_xf+0.5f);
fin_y = (int)(fin_yf+0.5f);
}
else
{
if (mv > SIM_MAXVELOCITY)
{
parts[i].vx *= SIM_MAXVELOCITY/mv;
parts[i].vy *= SIM_MAXVELOCITY/mv;
mv = SIM_MAXVELOCITY;
}
// interpolate to see if there is anything in the way
dx = parts[i].vx*ISTP/mv;
dy = parts[i].vy*ISTP/mv;
fin_xf = parts[i].x;
fin_yf = parts[i].y;
fin_x = (int)(fin_xf+0.5f);
fin_y = (int)(fin_yf+0.5f);
bool closedEholeStart = this->InBounds(fin_x, fin_y) && (bmap[fin_y/CELL][fin_x/CELL] == WL_EHOLE && !emap[fin_y/CELL][fin_x/CELL]);
while (1)
{
mv -= ISTP;
fin_xf += dx;
fin_yf += dy;
fin_x = (int)(fin_xf+0.5f);
fin_y = (int)(fin_yf+0.5f);
if (edgeMode == 2)
{
bool x_ok = (fin_xf >= CELL-.5f && fin_xf < XRES-CELL-.5f);
bool y_ok = (fin_yf >= CELL-.5f && fin_yf < YRES-CELL-.5f);
if (!x_ok)
fin_xf = remainder_p(fin_xf-CELL+.5f, XRES-CELL*2.0f)+CELL-.5f;
if (!y_ok)
fin_yf = remainder_p(fin_yf-CELL+.5f, YRES-CELL*2.0f)+CELL-.5f;
fin_x = (int)(fin_xf+0.5f);
fin_y = (int)(fin_yf+0.5f);
}
if (mv <= 0.0f)
{
// nothing found
fin_xf = parts[i].x + parts[i].vx;
fin_yf = parts[i].y + parts[i].vy;
if (edgeMode == 2)
{
bool x_ok = (fin_xf >= CELL-.5f && fin_xf < XRES-CELL-.5f);
bool y_ok = (fin_yf >= CELL-.5f && fin_yf < YRES-CELL-.5f);
if (!x_ok)
fin_xf = remainder_p(fin_xf-CELL+.5f, XRES-CELL*2.0f)+CELL-.5f;
if (!y_ok)
fin_yf = remainder_p(fin_yf-CELL+.5f, YRES-CELL*2.0f)+CELL-.5f;
}
fin_x = (int)(fin_xf+0.5f);
fin_y = (int)(fin_yf+0.5f);
clear_xf = fin_xf-dx;
clear_yf = fin_yf-dy;
clear_x = (int)(clear_xf+0.5f);
clear_y = (int)(clear_yf+0.5f);
break;
}
//block if particle can't move (0), or some special cases where it returns 1 (can_move = 3 but returns 1 meaning particle will be eaten)
//also photons are still blocked (slowed down) by any particle (even ones it can move through), and absorb wall also blocks particles
int eval = eval_move(t, fin_x, fin_y, NULL);
if (!eval || (can_move[t][pmap[fin_y][fin_x]&0xFF] == 3 && eval == 1) || (t == PT_PHOT && pmap[fin_y][fin_x]) || bmap[fin_y/CELL][fin_x/CELL]==WL_DESTROYALL || closedEholeStart!=(bmap[fin_y/CELL][fin_x/CELL] == WL_EHOLE && !emap[fin_y/CELL][fin_x/CELL]))
{
// found an obstacle
clear_xf = fin_xf-dx;
clear_yf = fin_yf-dy;
clear_x = (int)(clear_xf+0.5f);
clear_y = (int)(clear_yf+0.5f);
break;
}
if (bmap[fin_y/CELL][fin_x/CELL]==WL_DETECT && emap[fin_y/CELL][fin_x/CELL]<8)
set_emap(fin_x/CELL, fin_y/CELL);
}
}
stagnant = parts[i].flags & FLAG_STAGNANT;
parts[i].flags &= ~FLAG_STAGNANT;
if (t==PT_STKM || t==PT_STKM2 || t==PT_FIGH)
{
//head movement, let head pass through anything
parts[i].x += parts[i].vx;
parts[i].y += parts[i].vy;
int nx = (int)((float)parts[i].x+0.5f);
int ny = (int)((float)parts[i].y+0.5f);
if (edgeMode == 2)
{
bool x_ok = (nx >= CELL && nx < XRES-CELL);
bool y_ok = (ny >= CELL && ny < YRES-CELL);
int oldnx = nx, oldny = ny;
if (!x_ok)
{
parts[i].x = remainder_p(parts[i].x-CELL+.5f, XRES-CELL*2.0f)+CELL-.5f;
nx = (int)((float)parts[i].x+0.5f);
}
if (!y_ok)
{
parts[i].y = remainder_p(parts[i].y-CELL+.5f, YRES-CELL*2.0f)+CELL-.5f;
ny = (int)((float)parts[i].y+0.5f);
}
if (!x_ok || !y_ok) //when moving from left to right stickmen might be able to fall through solid things, fix with "eval_move(t, nx+diffx, ny+diffy, NULL)" but then they die instead
{
//adjust stickmen legs
playerst* stickman = NULL;
int t = parts[i].type;
if (t == PT_STKM)
stickman = &player;
else if (t == PT_STKM2)
stickman = &player2;
else if (t == PT_FIGH && parts[i].tmp >= 0 && parts[i].tmp < MAX_FIGHTERS)
stickman = &fighters[parts[i].tmp];
if (stickman)
for (int i = 0; i < 16; i+=2)
{
stickman->legs[i] += (nx-oldnx);
stickman->legs[i+1] += (ny-oldny);
stickman->accs[i/2] *= .95f;
}
parts[i].vy *= .95f;
parts[i].vx *= .95f;
}
}
if (ny!=y || nx!=x)
{
if ((pmap[y][x]>>8)==i) pmap[y][x] = 0;
else if ((photons[y][x]>>8)==i) photons[y][x] = 0;
if (nx<CELL || nx>=XRES-CELL || ny<CELL || ny>=YRES-CELL)
{
kill_part(i);
continue;
}
if (elements[t].Properties & TYPE_ENERGY)
photons[ny][nx] = t|(i<<8);
else if (t)
pmap[ny][nx] = t|(i<<8);
}
}
else if (elements[t].Properties & TYPE_ENERGY)
{
if (t == PT_PHOT)
{
if (parts[i].flags&FLAG_SKIPMOVE)
{
parts[i].flags &= ~FLAG_SKIPMOVE;
continue;
}
if (eval_move(PT_PHOT, fin_x, fin_y, NULL))
{
int rt = pmap[fin_y][fin_x] & 0xFF;
int lt = pmap[y][x] & 0xFF;
int rt_glas = (rt == PT_GLAS) || (rt == PT_BGLA);
int lt_glas = (lt == PT_GLAS) || (lt == PT_BGLA);
if ((rt_glas && !lt_glas) || (lt_glas && !rt_glas))
{
if (!get_normal_interp(REFRACT|t, parts[i].x, parts[i].y, parts[i].vx, parts[i].vy, &nrx, &nry)) {
kill_part(i);
continue;
}
r = get_wavelength_bin(&parts[i].ctype);
if (r == -1 || !(parts[i].ctype&0x3FFFFFFF))
{
kill_part(i);
continue;
}
nn = GLASS_IOR - GLASS_DISP*(r-30)/30.0f;
nn *= nn;
nrx = -nrx;
nry = -nry;
if (rt_glas && !lt_glas)
nn = 1.0f/nn;
ct1 = parts[i].vx*nrx + parts[i].vy*nry;
ct2 = 1.0f - (nn*nn)*(1.0f-(ct1*ct1));
if (ct2 < 0.0f) {
// total internal reflection
parts[i].vx -= 2.0f*ct1*nrx;
parts[i].vy -= 2.0f*ct1*nry;
fin_xf = parts[i].x;
fin_yf = parts[i].y;
fin_x = x;
fin_y = y;
} else {
// refraction
ct2 = sqrtf(ct2);
ct2 = ct2 - nn*ct1;
parts[i].vx = nn*parts[i].vx + ct2*nrx;
parts[i].vy = nn*parts[i].vy + ct2*nry;
}
}
}
}
if (stagnant)//FLAG_STAGNANT set, was reflected on previous frame
{
// cast coords as int then back to float for compatibility with existing saves
if (!do_move(i, x, y, (float)fin_x, (float)fin_y) && parts[i].type) {
kill_part(i);
continue;
}
}
else if (!do_move(i, x, y, fin_xf, fin_yf))
{
if (parts[i].type == PT_NONE)
continue;
// reflection
parts[i].flags |= FLAG_STAGNANT;
if (t==PT_NEUT && 100>(rand()%1000))
{
kill_part(i);
continue;
}
r = pmap[fin_y][fin_x];
if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP) && !(parts[r>>8].tmp&0xFF))
{
parts[r>>8].tmp = (parts[r>>8].tmp&~0xFF) | parts[i].type;
parts[r>>8].temp = parts[i].temp;
parts[r>>8].tmp2 = parts[i].life;
parts[r>>8].pavg[0] = parts[i].tmp;
parts[r>>8].pavg[1] = parts[i].ctype;
kill_part(i);
continue;
}
if (r&0xFF)
parts[i].ctype &= elements[r&0xFF].PhotonReflectWavelengths;
if (get_normal_interp(t, parts[i].x, parts[i].y, parts[i].vx, parts[i].vy, &nrx, &nry))
{
if ((r & 0xFF) == PT_CRMC)
{
float r = (rand() % 101 - 50) * 0.01f, rx, ry, anrx, anry;
r = r * r * r;
rx = cosf(r); ry = sinf(r);
anrx = rx * nrx + ry * nry;
anry = rx * nry - ry * nrx;
dp = anrx*parts[i].vx + anry*parts[i].vy;
parts[i].vx -= 2.0f*dp*anrx;
parts[i].vy -= 2.0f*dp*anry;
}
else
{
dp = nrx*parts[i].vx + nry*parts[i].vy;
parts[i].vx -= 2.0f*dp*nrx;
parts[i].vy -= 2.0f*dp*nry;
}
// leave the actual movement until next frame so that reflection of fast particles and refraction happen correctly
}
else
{
if (t!=PT_NEUT)
kill_part(i);
continue;
}
if (!(parts[i].ctype&0x3FFFFFFF) && t == PT_PHOT)
{
kill_part(i);
continue;
}
}
}
else if (elements[t].Falldown==0)
{
// gasses and solids (but not powders)
if (!do_move(i, x, y, fin_xf, fin_yf))
{
if (parts[i].type == PT_NONE)
continue;
// can't move there, so bounce off
// TODO
// TODO: Work out what previous TODO was for
if (fin_x>x+ISTP) fin_x=x+ISTP;
if (fin_x<x-ISTP) fin_x=x-ISTP;
if (fin_y>y+ISTP) fin_y=y+ISTP;
if (fin_y<y-ISTP) fin_y=y-ISTP;
if (do_move(i, x, y, 0.25f+(float)(2*x-fin_x), 0.25f+fin_y))
{
parts[i].vx *= elements[t].Collision;
}
else if (do_move(i, x, y, 0.25f+fin_x, 0.25f+(float)(2*y-fin_y)))
{
parts[i].vy *= elements[t].Collision;
}
else
{
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
}
}
else
{
if (water_equal_test && elements[t].Falldown == 2 && 1>= rand()%400)//checking stagnant is cool, but then it doesn't update when you change it later.
{
if (!flood_water(x,y,i,y, parts[i].flags&FLAG_WATEREQUAL))
goto movedone;
}
// liquids and powders
if (!do_move(i, x, y, fin_xf, fin_yf))
{
if (parts[i].type == PT_NONE)
continue;
if (fin_x!=x && do_move(i, x, y, fin_xf, clear_yf))
{
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
else if (fin_y!=y && do_move(i, x, y, clear_xf, fin_yf))
{
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
else
{
s = 1;
r = (rand()%2)*2-1;// position search direction (left/right first)
if ((clear_x!=x || clear_y!=y || nt || surround_space) &&
(fabsf(parts[i].vx)>0.01f || fabsf(parts[i].vy)>0.01f))
{
// allow diagonal movement if target position is blocked
// but no point trying this if particle is stuck in a block of identical particles
dx = parts[i].vx - parts[i].vy*r;
dy = parts[i].vy + parts[i].vx*r;
if (fabsf(dy)>fabsf(dx))
mv = fabsf(dy);
else
mv = fabsf(dx);
dx /= mv;
dy /= mv;
if (do_move(i, x, y, clear_xf+dx, clear_yf+dy))
{
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
goto movedone;
}
swappage = dx;
dx = dy*r;
dy = -swappage*r;
if (do_move(i, x, y, clear_xf+dx, clear_yf+dy))
{
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
goto movedone;
}
}
if (elements[t].Falldown>1 && !grav->ngrav_enable && gravityMode==0 && parts[i].vy>fabsf(parts[i].vx))
{
s = 0;
// stagnant is true if FLAG_STAGNANT was set for this particle in previous frame
if (!stagnant || nt) //nt is if there is an something else besides the current particle type, around the particle
rt = 30;//slight less water lag, although it changes how it moves a lot
else
rt = 10;
if (t==PT_GEL)
rt = parts[i].tmp*0.20f+5.0f;
for (j=clear_x+r; j>=0 && j>=clear_x-rt && j<clear_x+rt && j<XRES; j+=r)
{
if (((pmap[fin_y][j]&0xFF)!=t || bmap[fin_y/CELL][j/CELL])
&& (s=do_move(i, x, y, (float)j, fin_yf)))
{
nx = (int)(parts[i].x+0.5f);
ny = (int)(parts[i].y+0.5f);
break;
}
if (fin_y!=clear_y && ((pmap[clear_y][j]&0xFF)!=t || bmap[clear_y/CELL][j/CELL])
&& (s=do_move(i, x, y, (float)j, clear_yf)))
{
nx = (int)(parts[i].x+0.5f);
ny = (int)(parts[i].y+0.5f);
break;
}
if ((pmap[clear_y][j]&0xFF)!=t || (bmap[clear_y/CELL][j/CELL] && bmap[clear_y/CELL][j/CELL]!=WL_STREAM))
break;
}
if (parts[i].vy>0)
r = 1;
else
r = -1;
if (s==1)
for (j=ny+r; j>=0 && j<YRES && j>=ny-rt && j<ny+rt; j+=r)
{
if (((pmap[j][nx]&0xFF)!=t || bmap[j/CELL][nx/CELL]) && do_move(i, nx, ny, (float)nx, (float)j))
break;
if ((pmap[j][nx]&255)!=t || (bmap[j/CELL][nx/CELL] && bmap[j/CELL][nx/CELL]!=WL_STREAM))
break;
}
else if (s==-1) {} // particle is out of bounds
else if ((clear_x!=x||clear_y!=y) && do_move(i, x, y, clear_xf, clear_yf)) {}
else parts[i].flags |= FLAG_STAGNANT;
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
else if (elements[t].Falldown>1 && fabsf(pGravX*parts[i].vx+pGravY*parts[i].vy)>fabsf(pGravY*parts[i].vx-pGravX*parts[i].vy))
{
float nxf, nyf, prev_pGravX, prev_pGravY, ptGrav = elements[t].Gravity;
s = 0;
// stagnant is true if FLAG_STAGNANT was set for this particle in previous frame
if (!stagnant || nt) //nt is if there is an something else besides the current particle type, around the particle
rt = 30;//slight less water lag, although it changes how it moves a lot
else
rt = 10;
// clear_xf, clear_yf is the last known position that the particle should almost certainly be able to move to
nxf = clear_xf;
nyf = clear_yf;
nx = clear_x;
ny = clear_y;
// Look for spaces to move horizontally (perpendicular to gravity direction), keep going until a space is found or the number of positions examined = rt
for (j=0;j<rt;j++)
{
// Calculate overall gravity direction
switch (gravityMode)
{
default:
case 0:
pGravX = 0.0f;
pGravY = ptGrav;
break;
case 1:
pGravX = pGravY = 0.0f;
break;
case 2:
pGravD = 0.01f - hypotf((nx - XCNTR), (ny - YCNTR));
pGravX = ptGrav * ((float)(nx - XCNTR) / pGravD);
pGravY = ptGrav * ((float)(ny - YCNTR) / pGravD);
break;
}
pGravX += gravx[(ny/CELL)*(XRES/CELL)+(nx/CELL)];
pGravY += gravy[(ny/CELL)*(XRES/CELL)+(nx/CELL)];
// Scale gravity vector so that the largest component is 1 pixel
if (fabsf(pGravY)>fabsf(pGravX))
mv = fabsf(pGravY);
else
mv = fabsf(pGravX);
if (mv<0.0001f) break;
pGravX /= mv;
pGravY /= mv;
// Move 1 pixel perpendicularly to gravity
// r is +1/-1, to try moving left or right at random
if (j)
{
// Not quite the gravity direction
// Gravity direction + last change in gravity direction
// This makes liquid movement a bit less frothy, particularly for balls of liquid in radial gravity. With radial gravity, instead of just moving along a tangent, the attempted movement will follow the curvature a bit better.
nxf += r*(pGravY*2.0f-prev_pGravY);
nyf += -r*(pGravX*2.0f-prev_pGravX);
}
else
{
nxf += r*pGravY;
nyf += -r*pGravX;
}
prev_pGravX = pGravX;
prev_pGravY = pGravY;
// Check whether movement is allowed
nx = (int)(nxf+0.5f);
ny = (int)(nyf+0.5f);
if (nx<0 || ny<0 || nx>=XRES || ny >=YRES)
break;
if ((pmap[ny][nx]&0xFF)!=t || bmap[ny/CELL][nx/CELL])
{
s = do_move(i, x, y, nxf, nyf);
if (s)
{
// Movement was successful
nx = (int)(parts[i].x+0.5f);
ny = (int)(parts[i].y+0.5f);
break;
}
// A particle of a different type, or a wall, was found. Stop trying to move any further horizontally unless the wall should be completely invisible to particles.
if ((pmap[ny][nx]&0xFF)!=t || bmap[ny/CELL][nx/CELL]!=WL_STREAM)
break;
}
}
if (s==1)
{
// The particle managed to move horizontally, now try to move vertically (parallel to gravity direction)
// Keep going until the particle is blocked (by something that isn't the same element) or the number of positions examined = rt
clear_x = nx;
clear_y = ny;
for (j=0;j<rt;j++)
{
// Calculate overall gravity direction
switch (gravityMode)
{
default:
case 0:
pGravX = 0.0f;
pGravY = ptGrav;
break;
case 1:
pGravX = pGravY = 0.0f;
break;
case 2:
pGravD = 0.01f - hypotf((nx - XCNTR), (ny - YCNTR));
pGravX = ptGrav * ((float)(nx - XCNTR) / pGravD);
pGravY = ptGrav * ((float)(ny - YCNTR) / pGravD);
break;
}
pGravX += gravx[(ny/CELL)*(XRES/CELL)+(nx/CELL)];
pGravY += gravy[(ny/CELL)*(XRES/CELL)+(nx/CELL)];
// Scale gravity vector so that the largest component is 1 pixel
if (fabsf(pGravY)>fabsf(pGravX))
mv = fabsf(pGravY);
else
mv = fabsf(pGravX);
if (mv<0.0001f) break;
pGravX /= mv;
pGravY /= mv;
// Move 1 pixel in the direction of gravity
nxf += pGravX;
nyf += pGravY;
nx = (int)(nxf+0.5f);
ny = (int)(nyf+0.5f);
if (nx<0 || ny<0 || nx>=XRES || ny>=YRES)
break;
// If the space is anything except the same element (a wall, empty space, or occupied by a particle of a different element), try to move into it
if ((pmap[ny][nx]&0xFF)!=t || bmap[ny/CELL][nx/CELL])
{
s = do_move(i, clear_x, clear_y, nxf, nyf);
if (s || (pmap[ny][nx]&0xFF)!=t || bmap[ny/CELL][nx/CELL]!=WL_STREAM)
break; // found the edge of the liquid and movement into it succeeded, so stop moving down
}
}
}
else if (s==-1) {} // particle is out of bounds
else if ((clear_x!=x||clear_y!=y) && do_move(i, x, y, clear_xf, clear_yf)) {} // try moving to the last clear position
else parts[i].flags |= FLAG_STAGNANT;
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
else
{
// if interpolation was done, try moving to last clear position
if ((clear_x!=x||clear_y!=y) && do_move(i, x, y, clear_xf, clear_yf)) {}
else parts[i].flags |= FLAG_STAGNANT;
parts[i].vx *= elements[t].Collision;
parts[i].vy *= elements[t].Collision;
}
}
}
}
movedone:
continue;
}
//'f' was pressed (single frame)
if (framerender)
framerender--;
}
int Simulation::GetParticleType(std::string type)
{
char * txt = (char*)type.c_str();
// alternative names for some elements
if (!strcasecmp(txt, "C4"))
return PT_PLEX;
else if (!strcasecmp(txt, "C5"))
return PT_C5;
else if (!strcasecmp(txt, "NONE"))
return PT_NONE;
for (int i = 1; i < PT_NUM; i++)
{
if (!strcasecmp(txt, elements[i].Name) && strlen(elements[i].Name) && elements[i].Enabled)
{
return i;
}
}
return -1;
}
void Simulation::SimulateGoL()
{
CGOL=0;
//TODO: maybe this should only loop through active particles
for (int ny = CELL; ny < YRES-CELL; ny++)
{
//go through every particle and set neighbor map
for (int nx = CELL; nx < XRES-CELL; nx++)
{
int r = pmap[ny][nx];
if (!r)
{
gol[ny][nx] = 0;
continue;
}
if ((r&0xFF)==PT_LIFE)
{
int golnum = parts[r>>8].ctype+1;
if (golnum<=0 || golnum>NGOL) {
kill_part(r>>8);
continue;
}
gol[ny][nx] = golnum;
if (parts[r>>8].tmp == grule[golnum][9]-1)
{
for (int nnx = -1; nnx < 2; nnx++)
{
//it will count itself as its own neighbor, which is needed, but will have 1 extra for delete check
for (int nny = -1; nny < 2; nny++)
{
int adx = ((nx+nnx+XRES-3*CELL)%(XRES-2*CELL))+CELL;
int ady = ((ny+nny+YRES-3*CELL)%(YRES-2*CELL))+CELL;
int rt = pmap[ady][adx];
if (!rt || (rt&0xFF)==PT_LIFE)
{
//the total neighbor count is in 0
gol2[ady][adx][0] ++;
//insert golnum into neighbor table
for (int i = 1; i < 9; i++)
{
if (!gol2[ady][adx][i])
{
gol2[ady][adx][i] = (golnum<<4)+1;
break;
}
else if((gol2[ady][adx][i]>>4)==golnum)
{
gol2[ady][adx][i]++;
break;
}
}
}
}
}
}
else
{
parts[r>>8].tmp --;
}
}
}
}
for (int ny = CELL; ny < YRES-CELL; ny++)
{
//go through every particle again, but check neighbor map, then update particles
for (int nx = CELL; nx < XRES-CELL; nx++)
{
int r = pmap[ny][nx];
if (r && (r&0xFF)!=PT_LIFE)
continue;
int neighbors = gol2[ny][nx][0];
if (neighbors)
{
int golnum = gol[ny][nx];
if (!r)
{
//Find which type we can try and create
int creategol = 0xFF;
for (int i = 1; i < 9; i++)
{
if (!gol2[ny][nx][i]) break;
golnum = (gol2[ny][nx][i]>>4);
if (grule[golnum][neighbors]>=2 && (gol2[ny][nx][i]&0xF)>=(neighbors%2)+neighbors/2)
{
if (golnum<creategol) creategol=golnum;
}
}
if (creategol<0xFF)
create_part(-1, nx, ny, PT_LIFE, creategol-1);
}
else if (grule[golnum][neighbors-1]==0 || grule[golnum][neighbors-1]==2)//subtract 1 because it counted itself
{
if (parts[r>>8].tmp==grule[golnum][9]-1)
parts[r>>8].tmp --;
}
for (int z = 0; z < 9; z++)
gol2[ny][nx][z] = 0;//this improves performance A LOT compared to the memset, i was getting ~23 more fps with this.
}
//we still need to kill things with 0 neighbors (higher state life)
if (r && parts[r>>8].tmp<=0)
kill_part(r>>8);
}
}
//memset(gol2, 0, sizeof(gol2));
}
void Simulation::RecalcFreeParticles(bool do_life_dec)
{
int x, y, t;
int lastPartUsed = 0;
int lastPartUnused = -1;
memset(pmap, 0, sizeof(pmap));
memset(pmap_count, 0, sizeof(pmap_count));
memset(photons, 0, sizeof(photons));
NUM_PARTS = 0;
//the particle loop that resets the pmap/photon maps every frame, to update them.
for (int i = 0; i <= parts_lastActiveIndex; i++)
{
if (parts[i].type)
{
t = parts[i].type;
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if (x>=0 && y>=0 && x<XRES && y<YRES)
{
if (elements[t].Properties & TYPE_ENERGY)
photons[y][x] = t|(i<<8);
else
{
// Particles are sometimes allowed to go inside INVS and FILT
// To make particles collide correctly when inside these elements, these elements must not overwrite an existing pmap entry from particles inside them
if (!pmap[y][x] || (t!=PT_INVIS && t!= PT_FILT))
pmap[y][x] = t|(i<<8);
// (there are a few exceptions, including energy particles - currently no limit on stacking those)
if (t!=PT_THDR && t!=PT_EMBR && t!=PT_FIGH && t!=PT_PLSM)
pmap_count[y][x]++;
}
}
lastPartUsed = i;
NUM_PARTS ++;
//decrease particle life
if (do_life_dec && (!sys_pause || framerender))
{
if (t<0 || t>=PT_NUM || !elements[t].Enabled)
{
kill_part(i);
continue;
}
if (elementRecount)
elementCount[t]++;
unsigned int elem_properties = elements[t].Properties;
if (parts[i].life>0 && (elem_properties&PROP_LIFE_DEC))
{
// automatically decrease life
parts[i].life--;
if (parts[i].life<=0 && (elem_properties&(PROP_LIFE_KILL_DEC|PROP_LIFE_KILL)))
{
// kill on change to no life
kill_part(i);
continue;
}
}
else if (parts[i].life<=0 && (elem_properties&PROP_LIFE_KILL))
{
// kill if no life
kill_part(i);
continue;
}
}
}
else
{
if (lastPartUnused<0) pfree = i;
else parts[lastPartUnused].life = i;
lastPartUnused = i;
}
}
if (lastPartUnused == -1)
{
if (parts_lastActiveIndex>=NPART-1)
pfree = -1;
else
pfree = parts_lastActiveIndex+1;
}
else
{
if (parts_lastActiveIndex>=NPART-1)
parts[lastPartUnused].life = -1;
else
parts[lastPartUnused].life = parts_lastActiveIndex+1;
}
parts_lastActiveIndex = lastPartUsed;
if (elementRecount && (!sys_pause || framerender))
elementRecount = false;
}
void Simulation::CheckStacking()
{
bool excessive_stacking_found = false;
force_stacking_check = false;
for (int y = 0; y < YRES; y++)
{
for (int x = 0; x < XRES; x++)
{
// Use a threshold, since some particle stacking can be normal (e.g. BIZR + FILT)
// Setting pmap_count[y][x] > NPART means BHOL will form in that spot
if (pmap_count[y][x]>5)
{
if (bmap[y/CELL][x/CELL]==WL_EHOLE)
{
// Allow more stacking in E-hole
if (pmap_count[y][x]>1500)
{
pmap_count[y][x] = pmap_count[y][x] + NPART;
excessive_stacking_found = 1;
}
}
else if (pmap_count[y][x]>1500 || (rand()%1600)<=(pmap_count[y][x]+100))
{
pmap_count[y][x] = pmap_count[y][x] + NPART;
excessive_stacking_found = true;
}
}
}
}
if (excessive_stacking_found)
{
for (int i = 0; i <= parts_lastActiveIndex; i++)
{
if (parts[i].type)
{
int t = parts[i].type;
int x = (int)(parts[i].x+0.5f);
int y = (int)(parts[i].y+0.5f);
if (x>=0 && y>=0 && x<XRES && y<YRES && !(elements[t].Properties&TYPE_ENERGY))
{
if (pmap_count[y][x]>=NPART)
{
if (pmap_count[y][x]>NPART)
{
create_part(i, x, y, PT_NBHL);
parts[i].temp = MAX_TEMP;
parts[i].tmp = pmap_count[y][x]-NPART;//strength of grav field
if (parts[i].tmp>51200) parts[i].tmp = 51200;
pmap_count[y][x] = NPART;
}
else
{
kill_part(i);
}
}
}
}
}
}
}
//updates pmap, gol, and some other simulation stuff (but not particles)
void Simulation::BeforeSim()
{
if (!sys_pause||framerender)
{
air->update_air();
if(aheat_enable)
air->update_airh();
if(grav->ngrav_enable)
{
grav->gravity_update_async();
//Get updated buffer pointers for gravity
gravx = grav->gravx;
gravy = grav->gravy;
gravp = grav->gravp;
gravmap = grav->gravmap;
}
if(gravWallChanged)
{
grav->gravity_mask();
gravWallChanged = false;
}
if(emp_decor>0)
emp_decor -= emp_decor/25+2;
if(emp_decor < 0)
emp_decor = 0;
etrd_count_valid = false;
etrd_life0_count = 0;
currentTick++;
elementRecount |= !(currentTick%180);
if (elementRecount)
std::fill(elementCount, elementCount+PT_NUM, 0);
}
sandcolour = (int)(20.0f*sin((float)sandcolour_frame*(M_PI/180.0f)));
sandcolour_frame = (sandcolour_frame+1)%360;
RecalcFreeParticles(true);
if (!sys_pause || framerender)
{
// decrease wall conduction, make walls block air and ambient heat
int x, y;
for (y = 0; y < YRES/CELL; y++)
{
for (x = 0; x < XRES/CELL; x++)
{
if (emap[y][x])
emap[y][x] --;
air->bmap_blockair[y][x] = (bmap[y][x]==WL_WALL || bmap[y][x]==WL_WALLELEC || bmap[y][x]==WL_BLOCKAIR || (bmap[y][x]==WL_EWALL && !emap[y][x]));
air->bmap_blockairh[y][x] = (bmap[y][x]==WL_WALL || bmap[y][x]==WL_WALLELEC || bmap[y][x]==WL_BLOCKAIR || bmap[y][x]==WL_GRAV || (bmap[y][x]==WL_EWALL && !emap[y][x])) ? 0x8:0;
}
}
// check for stacking and create BHOL if found
if (force_stacking_check || (rand()%10)==0)
{
CheckStacking();
}
// LOVE and LOLZ element handling
if (elementCount[PT_LOVE] > 0 || elementCount[PT_LOLZ] > 0)
{
int nx, nnx, ny, nny, r, rt;
for (ny=0; ny<YRES-4; ny++)
{
for (nx=0; nx<XRES-4; nx++)
{
r=pmap[ny][nx];
if (!r)
{
continue;
}
else if ((ny<9||nx<9||ny>YRES-7||nx>XRES-10)&&(parts[r>>8].type==PT_LOVE||parts[r>>8].type==PT_LOLZ))
kill_part(r>>8);
else if (parts[r>>8].type==PT_LOVE)
{
Element_LOVE::love[nx/9][ny/9] = 1;
}
else if (parts[r>>8].type==PT_LOLZ)
{
Element_LOLZ::lolz[nx/9][ny/9] = 1;
}
}
}
for (nx=9; nx<=XRES-18; nx++)
{
for (ny=9; ny<=YRES-7; ny++)
{
if (Element_LOVE::love[nx/9][ny/9]==1)
{
for ( nnx=0; nnx<9; nnx++)
for ( nny=0; nny<9; nny++)
{
if (ny+nny>0&&ny+nny<YRES&&nx+nnx>=0&&nx+nnx<XRES)
{
rt=pmap[ny+nny][nx+nnx];
if (!rt&&Element_LOVE::RuleTable[nnx][nny]==1)
create_part(-1,nx+nnx,ny+nny,PT_LOVE);
else if (!rt)
continue;
else if (parts[rt>>8].type==PT_LOVE&&Element_LOVE::RuleTable[nnx][nny]==0)
kill_part(rt>>8);
}
}
}
Element_LOVE::love[nx/9][ny/9]=0;
if (Element_LOLZ::lolz[nx/9][ny/9]==1)
{
for ( nnx=0; nnx<9; nnx++)
for ( nny=0; nny<9; nny++)
{
if (ny+nny>0&&ny+nny<YRES&&nx+nnx>=0&&nx+nnx<XRES)
{
rt=pmap[ny+nny][nx+nnx];
if (!rt&&Element_LOLZ::RuleTable[nny][nnx]==1)
create_part(-1,nx+nnx,ny+nny,PT_LOLZ);
else if (!rt)
continue;
else if (parts[rt>>8].type==PT_LOLZ&&Element_LOLZ::RuleTable[nny][nnx]==0)
kill_part(rt>>8);
}
}
}
Element_LOLZ::lolz[nx/9][ny/9]=0;
}
}
}
// make WIRE work
if(elementCount[PT_WIRE] > 0)
{
for (int nx = 0; nx < XRES; nx++)
{
for (int ny = 0; ny < YRES; ny++)
{
int r = pmap[ny][nx];
if (!r)
continue;
if(parts[r>>8].type == PT_WIRE)
parts[r>>8].tmp = parts[r>>8].ctype;
}
}
}
// update PPIP tmp?
if (Element_PPIP::ppip_changed)
{
for (int i = 0; i <= parts_lastActiveIndex; i++)
{
if (parts[i].type==PT_PPIP)
{
parts[i].tmp |= (parts[i].tmp&0xE0000000)>>3;
parts[i].tmp &= ~0xE0000000;
}
}
Element_PPIP::ppip_changed = 0;
}
// Simulate GoL
// GSPEED is frames per generation
if (elementCount[PT_LIFE]>0 && ++CGOL>=GSPEED)
{
SimulateGoL();
}
// wifi channel reseting
if (ISWIRE > 0)
{
for (int q = 0; q < (int)(MAX_TEMP-73.15f)/100+2; q++)
{
wireless[q][0] = wireless[q][1];
wireless[q][1] = 0;
}
ISWIRE--;
}
// spawn STKM and STK2
if (!player.spwn && player.spawnID >= 0)
create_part(-1, (int)parts[player.spawnID].x, (int)parts[player.spawnID].y, PT_STKM);
else if (!player2.spwn && player2.spawnID >= 0)
create_part(-1, (int)parts[player2.spawnID].x, (int)parts[player2.spawnID].y, PT_STKM2);
// particle update happens right after this function (called separately)
}
}
void Simulation::AfterSim()
{
if (emp_trigger_count)
{
Element_EMP::Trigger(this, emp_trigger_count);
emp_trigger_count = 0;
}
}
Simulation::~Simulation()
{
delete[] platent;
delete grav;
delete air;
for (size_t i = 0; i < tools.size(); i++)
delete tools[i];
}
Simulation::Simulation():
replaceModeSelected(0),
replaceModeFlags(0),
debug_currentParticle(0),
ISWIRE(0),
force_stacking_check(false),
emp_decor(0),
emp_trigger_count(0),
etrd_count_valid(false),
etrd_life0_count(0),
lightningRecreate(0),
gravWallChanged(false),
CGOL(0),
GSPEED(1),
edgeMode(0),
gravityMode(0),
legacy_enable(0),
aheat_enable(0),
water_equal_test(0),
sys_pause(0),
framerender(0),
pretty_powder(0),
sandcolour_frame(0)
{
int tportal_rx[] = {-1, 0, 1, 1, 1, 0,-1,-1};
int tportal_ry[] = {-1,-1,-1, 0, 1, 1, 1, 0};
memcpy(portal_rx, tportal_rx, sizeof(tportal_rx));
memcpy(portal_ry, tportal_ry, sizeof(tportal_ry));
currentTick = 0;
std::fill(elementCount, elementCount+PT_NUM, 0);
elementRecount = true;
//Create and attach gravity simulation
grav = new Gravity();
//Give air sim references to our data
grav->bmap = bmap;
//Gravity sim gives us maps to use
gravx = grav->gravx;
gravy = grav->gravy;
gravp = grav->gravp;
gravmap = grav->gravmap;
//Create and attach air simulation
air = new Air(*this);
//Give air sim references to our data
air->bmap = bmap;
air->emap = emap;
air->fvx = fvx;
air->fvy = fvy;
//Air sim gives us maps to use
vx = air->vx;
vy = air->vy;
pv = air->pv;
hv = air->hv;
int menuCount;
menu_section * msectionsT = LoadMenus(menuCount);
memcpy(msections, msectionsT, menuCount * sizeof(menu_section));
free(msectionsT);
int wallCount;
wall_type * wtypesT = LoadWalls(wallCount);
memcpy(wtypes, wtypesT, wallCount * sizeof(wall_type));
free(wtypesT);
platent = new unsigned[PT_NUM];
int latentCount;
unsigned int * platentT = LoadLatent(latentCount);
memcpy(platent, platentT, latentCount * sizeof(unsigned int));
free(platentT);
std::vector<Element> elementList = GetElements();
for(int i = 0; i < PT_NUM; i++)
{
if (i < (int)elementList.size())
elements[i] = elementList[i];
else
elements[i] = Element();
}
tools = GetTools();
int golRulesCount;
int * golRulesT = LoadGOLRules(golRulesCount);
memcpy(grule, golRulesT, sizeof(int) * (golRulesCount*10));
free(golRulesT);
int golTypesCount;
int * golTypesT = LoadGOLTypes(golTypesCount);
memcpy(goltype, golTypesT, sizeof(int) * (golTypesCount));
free(golTypesT);
int golMenuCount;
gol_menu * golMenuT = LoadGOLMenu(golMenuCount);
memcpy(gmenu, golMenuT, sizeof(gol_menu) * golMenuCount);
free(golMenuT);
player.comm = 0;
player2.comm = 0;
init_can_move();
clear_sim();
grav->gravity_mask();
}