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The-Powder-Toy/src/save.c

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Add checks for prerender_save in save_filename_ui, pass vx, vy and pv air data into parse and build save methods. New save format: OPS, basic reading and writing complete, uses BSON, BSON.c/h (Binary JSON) implementation from MongoDB. (Is License OK?)
2011-12-29 20:06:31 -06:00
#include <bzlib.h>
#include "defines.h"
#include "powder.h"
#include "save.h"
#include "gravity.h"
#include "BSON.h"
void *build_save(int *size, int orig_x0, int orig_y0, int orig_w, int orig_h, unsigned char bmap[YRES/CELL][XRES/CELL], float vx[YRES/CELL][XRES/CELL], float vy[YRES/CELL][XRES/CELL], float pv[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* partsptr)
{
Make OPS optional (disabled by default) with define SAVE_OPS
2011-12-29 20:10:27 -06:00
#ifdef SAVE_OPS
Add checks for prerender_save in save_filename_ui, pass vx, vy and pv air data into parse and build save methods. New save format: OPS, basic reading and writing complete, uses BSON, BSON.c/h (Binary JSON) implementation from MongoDB. (Is License OK?)
2011-12-29 20:06:31 -06:00
return build_save_OPS(size, orig_x0, orig_y0, orig_w, orig_h, bmap, vx, vy, pv, fvx, fvy, signs, partsptr);
Make OPS optional (disabled by default) with define SAVE_OPS
2011-12-29 20:10:27 -06:00
#else
return build_save_PSv(size, orig_x0, orig_y0, orig_w, orig_h, bmap, fvx, fvy, signs, partsptr);
#endif
Add checks for prerender_save in save_filename_ui, pass vx, vy and pv air data into parse and build save methods. New save format: OPS, basic reading and writing complete, uses BSON, BSON.c/h (Binary JSON) implementation from MongoDB. (Is License OK?)
2011-12-29 20:06:31 -06:00
}
int parse_save(void *save, int size, int replace, int x0, int y0, unsigned char bmap[YRES/CELL][XRES/CELL], float vx[YRES/CELL][XRES/CELL], float vy[YRES/CELL][XRES/CELL], float pv[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* partsptr, unsigned pmap[YRES][XRES])
{
unsigned char * saveData = save;
if(saveData[0] == 'O' && saveData[1] == 'P' && saveData[2] == 'S')
{
return parse_save_OPS(save, size, replace, x0, y0, bmap, vx, vy, pv, fvx, fvy, signs, partsptr, pmap);
}
else if((saveData[0]==0x66 && saveData[1]==0x75 && saveData[2]==0x43) || (saveData[0]==0x50 && saveData[1]==0x53 && saveData[2]==0x76))
{
return parse_save_PSv(save, size, replace, x0, y0, bmap, fvx, fvy, signs, partsptr, pmap);
}
}
void *build_save_OPS(int *size, int orig_x0, int orig_y0, int orig_w, int orig_h, unsigned char bmap[YRES/CELL][XRES/CELL], float vx[YRES/CELL][XRES/CELL], float vy[YRES/CELL][XRES/CELL], float pv[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* o_partsptr)
{
particle *partsptr = o_partsptr;
unsigned char *partsData = NULL, *fanData = NULL, *wallData = NULL, *finalData = NULL, *outputData = NULL;
int partsDataLen, fanDataLen, wallDataLen, finalDataLen, outputDataLen;
int blockX, blockY, blockW, blockH, fullX, fullY, fullW, fullH;
int x, y, i, wallDataFound = 0;
//Get coords in blocks
blockX = orig_x0/CELL;
blockY = orig_y0/CELL;
blockW = orig_w/CELL;
blockH = orig_h/CELL;
//Snap full coords to block size
fullX = blockX*CELL;
fullY = blockY*CELL;
fullW = blockW*CELL;
fullH = blockH*CELL;
//Copy fan and wall data
wallData = malloc(blockW*blockH);
wallDataLen = blockW*blockH;
fanData = malloc(blockW*blockH);
fanDataLen = 0;
for(x = blockX; x < blockX+blockW; x++)
{
for(y = blockY; y < blockY+blockH; y++)
{
wallData[y*blockW+x] = bmap[y][x];
if(bmap[y][x] && !wallDataFound)
wallDataFound = 1;
if(bmap[y][x]==WL_FAN || bmap[y][x]==4)
{
i = (int)(fvy[y][x]*64.0f+127.5f);
if (i<0) i=0;
if (i>255) i=255;
fanData[fanDataLen++] = i;
}
}
}
if(!fanDataLen)
{
free(fanData);
fanData = NULL;
}
if(!wallDataFound)
{
free(wallData);
wallData = NULL;
}
//Copy parts data
/* Field descriptor format:
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| vy | vx | dcololour | ctype | tmp[2] | tmp[1] | life[2] | life[1] |
life[2] means a second byte (for a 16 bit field) if life[1] is present
*/
partsData = malloc(NPART * (sizeof(particle)+1));
partsDataLen = 0;
for(i = 0; i < NPART; i++)
{
if(parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x >= fullX && x <= fullX+fullW && y >= fullY && y <= fullY+fullH)
{
unsigned char fieldDesc = 0;
int fieldDescLoc = 0, tempTemp, vTemp;
//Type (required)
partsData[partsDataLen++] = partsptr[i].type;
//X and Y coord (required), 2 bytes each
partsData[partsDataLen++] = x;
partsData[partsDataLen++] = x >> 8;
printf("Saved: %d, %d", (char)x, (char)(x>>8));
partsData[partsDataLen++] = y;
partsData[partsDataLen++] = y >> 8;
//Temperature (required), 2 bytes
tempTemp = partsptr[i].temp;
partsData[partsDataLen++] = tempTemp;
partsData[partsDataLen++] = tempTemp >> 8;
//Location of the field descriptor
fieldDescLoc = partsDataLen++;
//Life (optional), 1 to 2 bytes
if(partsptr[i].life)
{
fieldDesc |= 1;
partsData[partsDataLen++] = partsptr[i].life;
if(partsptr[i].life > 255)
{
fieldDesc |= 1 << 1;
partsData[partsDataLen++] = partsptr[i].life >> 8;
}
}
//Tmp (optional), 1 to 2 bytes
if(partsptr[i].tmp)
{
fieldDesc |= 1 << 2;
partsData[partsDataLen++] = partsptr[i].tmp;
if(partsptr[i].tmp > 255)
{
fieldDesc |= 1 << 3;
partsData[partsDataLen++] = partsptr[i].tmp >> 8;
}
}
//Ctype (optional), 1 byte
if(partsptr[i].ctype)
{
fieldDesc |= 1 << 4;
partsData[partsDataLen++] = partsptr[i].ctype;
}
//Dcolour (optional), 4 bytes
if(partsptr[i].dcolour && (partsptr[i].dcolour & 0xFF000000))
{
fieldDesc |= 1 << 5;
partsData[partsDataLen++] = (partsptr[i].dcolour&0xFF000000)>>24;
partsData[partsDataLen++] = (partsptr[i].dcolour&0x00FF0000)>>16;
partsData[partsDataLen++] = (partsptr[i].dcolour&0x0000FF00)>>8;
partsData[partsDataLen++] = (partsptr[i].dcolour&0x000000FF);
}
//VX (optional), 1 byte
if(fabs(partsptr[i].vx) > 0.001f)
{
fieldDesc |= 1 << 6;
vTemp = (int)(partsptr[i].vx*16.0f+127.5f);
if (vTemp<0) vTemp=0;
if (vTemp>255) vTemp=255;
partsData[partsDataLen++] = vTemp;
}
//VY (optional), 1 byte
if(fabs(partsptr[i].vy) > 0.001f)
{
fieldDesc |= 1 << 7;
vTemp = (int)(partsptr[i].vy*16.0f+127.5f);
if (vTemp<0) vTemp=0;
if (vTemp>255) vTemp=255;
partsData[partsDataLen++] = vTemp;
}
//Write the field descriptor;
partsData[fieldDescLoc] = fieldDesc;
}
}
}
bson b;
bson_init(&b);
/* These fields are in the "outer" header, don't bother saving here
bson_append_int(&b, "majorVersion", SAVE_VERSION);
bson_append_int(&b, "xRes", fullW);
bson_append_int(&b, "yRes", fullH);
bson_append_int(&b, "cellSize", CELL);*/
//Save stuff like gravity, heat, blah states
bson_append_int(&b, "partsDataBytes", partsDataLen); //For debugging, remove eventually
if(partsData)
bson_append_binary(&b, "parts", BSON_BIN_USER, partsData, partsDataLen);
if(wallData)
bson_append_binary(&b, "wallMap", BSON_BIN_USER, wallData, wallDataLen);
if(fanData)
bson_append_binary(&b, "fanMap", BSON_BIN_USER, fanData, fanDataLen);
bson_finish(&b);
bson_print(&b);
finalData = bson_data(&b);
finalDataLen = bson_size(&b);
outputDataLen = finalDataLen*2+12;
outputData = malloc(outputDataLen);
outputData[0] = 'O';
outputData[1] = 'P';
outputData[2] = 'S';
outputData[3] = '1';
outputData[4] = SAVE_VERSION;
outputData[5] = CELL;
outputData[6] = blockW;
outputData[7] = blockH;
outputData[8] = finalDataLen;
outputData[9] = finalDataLen >> 8;
outputData[10] = finalDataLen >> 16;
outputData[11] = finalDataLen >> 24;
if (BZ2_bzBuffToBuffCompress(outputData+12, &outputDataLen, finalData, bson_size(&b), 9, 0, 0) != BZ_OK)
{
puts("Save Error\n");
free(outputData);
*size = 0;
outputData = NULL;
goto fin;
}
*size = outputDataLen + 12;
fin:
bson_destroy(&b);
if(partsData)
free(partsData);
if(wallData)
free(wallData);
if(fanData)
free(fanData);
return outputData;
}
int parse_save_OPS(void *save, int size, int replace, int x0, int y0, unsigned char bmap[YRES/CELL][XRES/CELL], float vx[YRES/CELL][XRES/CELL], float vy[YRES/CELL][XRES/CELL], float pv[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* o_partsptr, unsigned pmap[YRES][XRES])
{
particle *partsptr = o_partsptr;
unsigned char * inputData = save, *bsonData = NULL, *partsData = NULL, *fanData = NULL, *wallData = NULL;
int inputDataLen = size, bsonDataLen = 0, partsDataLen, fanDataLen, wallDataLen;
int i, freeIndicesCount, x, y, returnCode = 0;
int *freeIndices = NULL;
bsonDataLen = ((unsigned)inputData[8]);
bsonDataLen |= ((unsigned)inputData[9]) << 8;
bsonDataLen |= ((unsigned)inputData[10]) << 16;
bsonDataLen |= ((unsigned)inputData[11]) << 24;
bsonData = malloc(bsonDataLen);
if(!bsonData)
{
fprintf(stderr, "Internal error while parsing save: could not allocate buffer\n");
return 3;
}
if (BZ2_bzBuffToBuffDecompress(bsonData, &bsonDataLen, inputData+12, inputDataLen-12, 0, 0))
return 1;
bson b;
bson_iterator iter;
bson_init_data(&b, bsonData);
bson_iterator_init(&iter, &b);
while(bson_iterator_more(&iter))
{
bson_iterator_next(&iter);
if(strcmp(bson_iterator_key(&iter), "parts")==0)
{
if(bson_iterator_type(&iter)==BSON_BINDATA && ((unsigned char)bson_iterator_bin_type(&iter))==BSON_BIN_USER && (partsDataLen = bson_iterator_bin_len(&iter)) > 0)
{
partsData = bson_iterator_bin_data(&iter);
}
else
{
fprintf(stderr, "Invalid datatype of particle data: %d[%d] %d[%d] %d[%d]\n", bson_iterator_type(&iter), bson_iterator_type(&iter)==BSON_BINDATA, (unsigned char)bson_iterator_bin_type(&iter), ((unsigned char)bson_iterator_bin_type(&iter))==BSON_BIN_USER, bson_iterator_bin_len(&iter), bson_iterator_bin_len(&iter)>0);
}
}
}
//Read particle data
if(partsData)
{
int newIndex = 0, fieldDescriptor, tempTemp;
puts("Have particle data");
parts_lastActiveIndex = NPART-1;
freeIndicesCount = 0;
freeIndices = calloc(sizeof(int), NPART);
for (i = 0; i<NPART; i++)
{
//Ensure ALL parts (even photons) are in the pmap so we can overwrite, keep a track of indices we can use
if (partsptr[i].type)
{
x = (int)(partsptr[i].x+0.5f);
y = (int)(partsptr[i].y+0.5f);
pmap[y][x] = (i<<8)|1;
}
else
freeIndices[freeIndicesCount++] = i;
}
i = 0;
//i+7 because we have 8 bytes of required fields (type (1), x (2), y (2), temp (2), descriptor (1))
while(i+7 < partsDataLen)
{
x = partsData[i+1] | (((unsigned)partsData[i+2])<<8);
y = partsData[i+3] | (((unsigned)partsData[i+4])<<8);
fieldDescriptor = partsData[i+7];
if(x >= XRES || x < 0 || y >= YRES || y < 0)
{
fprintf(stderr, "Out of range [%d]: %d %d, [%d, %d], [%d, %d]\n", i, x, y, (unsigned)partsData[i+1], (unsigned)partsData[i+2], (unsigned)partsData[i+3], (unsigned)partsData[i+4]);
goto fail;
}
if(partsData[i] > NPART)
partsData[i+1] = PT_DMND; //Replace all invalid powders with diamond
if(pmap[y][x])
{
//Replace existing particle or allocated block
newIndex = pmap[y][x]>>8;
}
else if(freeIndicesCount)
{
//Create new particle
newIndex = freeIndices[--freeIndicesCount];
}
else
{
//Nowhere to put new particle, tpt is sad :(
break;
}
if(newIndex < 0 || newIndex >= NPART)
goto fail;
//Clear the particle, ready for our new properties
memset(&(partsptr[newIndex]), 0, sizeof(particle));
//Required fields
partsptr[newIndex].type = partsData[i];
partsptr[newIndex].x = x;
partsptr[newIndex].y = y;
partsptr[newIndex].temp = (partsData[i+5] | (partsData[i+6]<<8));
i+=8;
//Read life
if(fieldDescriptor & 0x01)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].life = partsData[i++];
//Read 2nd byte
if(fieldDescriptor & 0x02)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].life |= partsData[i++];
}
}
//Read tmp
if(fieldDescriptor & 0x04)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].tmp = partsData[i++];
//Read 2nd byte
if(fieldDescriptor & 0x08)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].tmp |= partsData[i++];
}
}
//Read ctype
if(fieldDescriptor & 0x10)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].ctype = partsData[i++];
}
//Read dcolour
if(fieldDescriptor & 0x20)
{
if(i+3 >= partsDataLen) goto fail;
partsptr[newIndex].dcolour = partsData[i++];
partsptr[newIndex].dcolour = partsData[i++];
partsptr[newIndex].dcolour = partsData[i++];
partsptr[newIndex].dcolour = partsData[i++];
}
//Read vx
if(fieldDescriptor & 0x40)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].vx = (partsData[i++]-127.0f)/16.0f;
}
//Read vy
if(fieldDescriptor & 0x80)
{
if(i >= partsDataLen) goto fail;
partsptr[newIndex].vy = (partsData[i++]-127.0f)/16.0f;
}
}
}
goto fin;
fail:
//Clean up everything
returnCode = 1;
fin:
bson_destroy(&b);
if(freeIndices)
free(freeIndices);
return returnCode;
}
//the old saving function
void *build_save_PSv(int *size, int orig_x0, int orig_y0, int orig_w, int orig_h, unsigned char bmap[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* partsptr)
{
unsigned char *d=calloc(1,3*(XRES/CELL)*(YRES/CELL)+(XRES*YRES)*15+MAXSIGNS*262), *c;
int i,j,x,y,p=0,*m=calloc(XRES*YRES, sizeof(int));
int x0, y0, w, h, bx0=orig_x0/CELL, by0=orig_y0/CELL, bw, bh;
particle *parts = partsptr;
bw=(orig_w+orig_x0-bx0*CELL+CELL-1)/CELL;
bh=(orig_h+orig_y0-by0*CELL+CELL-1)/CELL;
// normalize coordinates
x0 = bx0*CELL;
y0 = by0*CELL;
w = bw *CELL;
h = bh *CELL;
// save the required air state
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
d[p++] = bmap[y][x];
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
if (bmap[y][x]==WL_FAN||bmap[y][x]==4)
{
i = (int)(fvx[y][x]*64.0f+127.5f);
if (i<0) i=0;
if (i>255) i=255;
d[p++] = i;
}
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
if (bmap[y][x]==WL_FAN||bmap[y][x]==4)
{
i = (int)(fvy[y][x]*64.0f+127.5f);
if (i<0) i=0;
if (i>255) i=255;
d[p++] = i;
}
// save the particle map
for (i=0; i<NPART; i++)
if (parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if (x>=orig_x0 && x<orig_x0+orig_w && y>=orig_y0 && y<orig_y0+orig_h) {
if (!m[(x-x0)+(y-y0)*w] ||
parts[m[(x-x0)+(y-y0)*w]-1].type == PT_PHOT ||
parts[m[(x-x0)+(y-y0)*w]-1].type == PT_NEUT)
m[(x-x0)+(y-y0)*w] = i+1;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
d[p++] = parts[i-1].type;
else
d[p++] = 0;
}
// save particle properties
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
i--;
x = (int)(parts[i].vx*16.0f+127.5f);
y = (int)(parts[i].vy*16.0f+127.5f);
if (x<0) x=0;
if (x>255) x=255;
if (y<0) y=0;
if (y>255) y=255;
d[p++] = x;
d[p++] = y;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Everybody loves a 16bit int
//d[p++] = (parts[i-1].life+3)/4;
int ttlife = (int)parts[i-1].life;
d[p++] = ((ttlife&0xFF00)>>8);
d[p++] = (ttlife&0x00FF);
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Now saving tmp!
//d[p++] = (parts[i-1].life+3)/4;
int tttmp = (int)parts[i-1].tmp;
d[p++] = ((tttmp&0xFF00)>>8);
d[p++] = (tttmp&0x00FF);
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i && (parts[i-1].type==PT_PBCN)) {
//Save tmp2
d[p++] = parts[i-1].tmp2;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Save colour (ALPHA)
d[p++] = (parts[i-1].dcolour&0xFF000000)>>24;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Save colour (RED)
d[p++] = (parts[i-1].dcolour&0x00FF0000)>>16;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Save colour (GREEN)
d[p++] = (parts[i-1].dcolour&0x0000FF00)>>8;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i) {
//Save colour (BLUE)
d[p++] = (parts[i-1].dcolour&0x000000FF);
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
//New Temperature saving uses a 16bit unsigned int for temperatures, giving a precision of 1 degree versus 36 for the old format
int tttemp = (int)parts[i-1].temp;
d[p++] = ((tttemp&0xFF00)>>8);
d[p++] = (tttemp&0x00FF);
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i && (parts[i-1].type==PT_CLNE || parts[i-1].type==PT_PCLN || parts[i-1].type==PT_BCLN || parts[i-1].type==PT_SPRK || parts[i-1].type==PT_LAVA || parts[i-1].type==PT_PIPE || parts[i-1].type==PT_LIFE || parts[i-1].type==PT_PBCN || parts[i-1].type==PT_WIRE || parts[i-1].type==PT_STOR || parts[i-1].type==PT_CONV))
d[p++] = parts[i-1].ctype;
}
j = 0;
for (i=0; i<MAXSIGNS; i++)
if (signs[i].text[0] &&
signs[i].x>=x0 && signs[i].x<x0+w &&
signs[i].y>=y0 && signs[i].y<y0+h)
j++;
d[p++] = j;
for (i=0; i<MAXSIGNS; i++)
if (signs[i].text[0] &&
signs[i].x>=x0 && signs[i].x<x0+w &&
signs[i].y>=y0 && signs[i].y<y0+h)
{
d[p++] = (signs[i].x-x0);
d[p++] = (signs[i].x-x0)>>8;
d[p++] = (signs[i].y-y0);
d[p++] = (signs[i].y-y0)>>8;
d[p++] = signs[i].ju;
x = strlen(signs[i].text);
d[p++] = x;
memcpy(d+p, signs[i].text, x);
p+=x;
}
i = (p*101+99)/100 + 612;
c = malloc(i);
//New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures
//This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error
c[0] = 0x50; //0x66;
c[1] = 0x53; //0x75;
c[2] = 0x76; //0x43;
c[3] = legacy_enable|((sys_pause<<1)&0x02)|((gravityMode<<2)&0x0C)|((airMode<<4)&0x70)|((ngrav_enable<<7)&0x80);
c[4] = SAVE_VERSION;
c[5] = CELL;
c[6] = bw;
c[7] = bh;
c[8] = p;
c[9] = p >> 8;
c[10] = p >> 16;
c[11] = p >> 24;
i -= 12;
if (BZ2_bzBuffToBuffCompress((char *)(c+12), (unsigned *)&i, (char *)d, p, 9, 0, 0) != BZ_OK)
{
free(d);
free(c);
free(m);
return NULL;
}
free(d);
free(m);
*size = i+12;
return c;
}
int parse_save_PSv(void *save, int size, int replace, int x0, int y0, unsigned char bmap[YRES/CELL][XRES/CELL], float fvx[YRES/CELL][XRES/CELL], float fvy[YRES/CELL][XRES/CELL], sign signs[MAXSIGNS], void* partsptr, unsigned pmap[YRES][XRES])
{
unsigned char *d=NULL,*c=save;
int q,i,j,k,x,y,p=0,*m=NULL, ver, pty, ty, legacy_beta=0, tempGrav = 0;
int bx0=x0/CELL, by0=y0/CELL, bw, bh, w, h;
int nf=0, new_format = 0, ttv = 0;
particle *parts = partsptr;
int *fp = malloc(NPART*sizeof(int));
//New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures
//This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error
if (size<16)
return 1;
if (!(c[2]==0x43 && c[1]==0x75 && c[0]==0x66) && !(c[2]==0x76 && c[1]==0x53 && c[0]==0x50))
return 1;
if (c[2]==0x76 && c[1]==0x53 && c[0]==0x50) {
new_format = 1;
}
if (c[4]>SAVE_VERSION)
return 2;
ver = c[4];
if (ver<34)
{
legacy_enable = 1;
}
else
{
if (ver>=44) {
legacy_enable = c[3]&0x01;
if (!sys_pause) {
sys_pause = (c[3]>>1)&0x01;
}
if (ver>=46 && replace) {
gravityMode = ((c[3]>>2)&0x03);// | ((c[3]>>2)&0x01);
airMode = ((c[3]>>4)&0x07);// | ((c[3]>>4)&0x02) | ((c[3]>>4)&0x01);
}
if (ver>=49 && replace) {
tempGrav = ((c[3]>>7)&0x01);
}
} else {
if (c[3]==1||c[3]==0) {
legacy_enable = c[3];
} else {
legacy_beta = 1;
}
}
}
bw = c[6];
bh = c[7];
if (bx0+bw > XRES/CELL)
bx0 = XRES/CELL - bw;
if (by0+bh > YRES/CELL)
by0 = YRES/CELL - bh;
if (bx0 < 0)
bx0 = 0;
if (by0 < 0)
by0 = 0;
if (c[5]!=CELL || bx0+bw>XRES/CELL || by0+bh>YRES/CELL)
return 3;
i = (unsigned)c[8];
i |= ((unsigned)c[9])<<8;
i |= ((unsigned)c[10])<<16;
i |= ((unsigned)c[11])<<24;
d = malloc(i);
if (!d)
return 1;
if (BZ2_bzBuffToBuffDecompress((char *)d, (unsigned *)&i, (char *)(c+12), size-12, 0, 0))
return 1;
size = i;
if (size < bw*bh)
return 1;
// normalize coordinates
x0 = bx0*CELL;
y0 = by0*CELL;
w = bw *CELL;
h = bh *CELL;
if (replace)
{
if (ver<46) {
gravityMode = 0;
airMode = 0;
}
clear_sim();
}
parts_lastActiveIndex = NPART-1;
m = calloc(XRES*YRES, sizeof(int));
// make a catalog of free parts
//memset(pmap, 0, sizeof(pmap)); "Using sizeof for array given as function argument returns the size of pointer."
memset(pmap, 0, sizeof(unsigned)*(XRES*YRES));
for (i=0; i<NPART; i++)
if (parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
pmap[y][x] = (i<<8)|1;
}
else
fp[nf++] = i;
// load the required air state
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
{
if (d[p])
{
bmap[y][x] = d[p];
if (bmap[y][x]==1)
bmap[y][x]=WL_WALL;
if (bmap[y][x]==2)
bmap[y][x]=WL_DESTROYALL;
if (bmap[y][x]==3)
bmap[y][x]=WL_ALLOWLIQUID;
if (bmap[y][x]==4)
bmap[y][x]=WL_FAN;
if (bmap[y][x]==5)
bmap[y][x]=WL_STREAM;
if (bmap[y][x]==6)
bmap[y][x]=WL_DETECT;
if (bmap[y][x]==7)
bmap[y][x]=WL_EWALL;
if (bmap[y][x]==8)
bmap[y][x]=WL_WALLELEC;
if (bmap[y][x]==9)
bmap[y][x]=WL_ALLOWAIR;
if (bmap[y][x]==10)
bmap[y][x]=WL_ALLOWSOLID;
if (bmap[y][x]==11)
bmap[y][x]=WL_ALLOWALLELEC;
if (bmap[y][x]==12)
bmap[y][x]=WL_EHOLE;
if (bmap[y][x]==13)
bmap[y][x]=WL_ALLOWGAS;
}
p++;
}
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN)
{
if (p >= size)
goto corrupt;
fvx[y][x] = (d[p++]-127.0f)/64.0f;
}
for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++)
if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN)
{
if (p >= size)
goto corrupt;
fvy[y][x] = (d[p++]-127.0f)/64.0f;
}
// load the particle map
i = 0;
pty = p;
for (y=y0; y<y0+h; y++)
for (x=x0; x<x0+w; x++)
{
if (p >= size)
goto corrupt;
j=d[p++];
if (j >= PT_NUM) {
//TODO: Possibly some server side translation
j = PT_DUST;//goto corrupt;
}
gol[x][y]=0;
if (j)
{
if (pmap[y][x])
{
k = pmap[y][x]>>8;
}
else if (i<nf)
{
k = fp[i];
i++;
}
else
{
m[(x-x0)+(y-y0)*w] = NPART+1;
continue;
}
memset(parts+k, 0, sizeof(particle));
parts[k].type = j;
if (j == PT_COAL)
parts[k].tmp = 50;
if (j == PT_FUSE)
parts[k].tmp = 50;
if (j == PT_PHOT)
parts[k].ctype = 0x3fffffff;
if (j == PT_SOAP)
parts[k].ctype = 0;
if (j==PT_BIZR || j==PT_BIZRG || j==PT_BIZRS)
parts[k].ctype = 0x47FFFF;
parts[k].x = (float)x;
parts[k].y = (float)y;
m[(x-x0)+(y-y0)*w] = k+1;
}
}
// load particle properties
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
i--;
if (p+1 >= size)
goto corrupt;
if (i < NPART)
{
parts[i].vx = (d[p++]-127.0f)/16.0f;
parts[i].vy = (d[p++]-127.0f)/16.0f;
}
else
p += 2;
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (ver>=44) {
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
parts[i-1].life = ttv;
} else {
p+=2;
}
} else {
if (p >= size)
goto corrupt;
if (i <= NPART)
parts[i-1].life = d[p++]*4;
else
p++;
}
}
}
if (ver>=44) {
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
parts[i-1].tmp = ttv;
if (ver<53 && !parts[i-1].tmp)
for (q = 1; q<=NGOLALT; q++) {
if (parts[i-1].type==goltype[q-1] && grule[q][9]==2)
parts[i-1].tmp = grule[q][9]-1;
}
if (ver>=51 && ver<53 && parts[i-1].type==PT_PBCN)
{
parts[i-1].tmp2 = parts[i-1].tmp;
parts[i-1].tmp = 0;
}
} else {
p+=2;
}
}
}
}
if (ver>=53) {
for (j=0; j<w*h; j++)
{
i = m[j];
ty = d[pty+j];
if (i && ty==PT_PBCN)
{
if (p >= size)
goto corrupt;
if (i <= NPART)
parts[i-1].tmp2 = d[p++];
else
p++;
}
}
}
//Read ALPHA component
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (ver>=49) {
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
parts[i-1].dcolour = d[p++]<<24;
} else {
p++;
}
}
}
}
//Read RED component
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (ver>=49) {
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
parts[i-1].dcolour |= d[p++]<<16;
} else {
p++;
}
}
}
}
//Read GREEN component
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (ver>=49) {
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
parts[i-1].dcolour |= d[p++]<<8;
} else {
p++;
}
}
}
}
//Read BLUE component
for (j=0; j<w*h; j++)
{
i = m[j];
if (i)
{
if (ver>=49) {
if (p >= size) {
goto corrupt;
}
if (i <= NPART) {
parts[i-1].dcolour |= d[p++];
} else {
p++;
}
}
}
}
for (j=0; j<w*h; j++)
{
i = m[j];
ty = d[pty+j];
if (i)
{
if (ver>=34&&legacy_beta==0)
{
if (p >= size)
{
goto corrupt;
}
if (i <= NPART)
{
if (ver>=42) {
if (new_format) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
if (parts[i-1].type==PT_PUMP) {
parts[i-1].temp = ttv + 0.15;//fix PUMP saved at 0, so that it loads at 0.
} else {
parts[i-1].temp = ttv;
}
} else {
parts[i-1].temp = (d[p++]*((MAX_TEMP+(-MIN_TEMP))/255))+MIN_TEMP;
}
} else {
parts[i-1].temp = ((d[p++]*((O_MAX_TEMP+(-O_MIN_TEMP))/255))+O_MIN_TEMP)+273;
}
}
else
{
p++;
if (new_format) {
p++;
}
}
}
else
{
parts[i-1].temp = ptypes[parts[i-1].type].heat;
}
}
}
for (j=0; j<w*h; j++)
{
int gnum = 0;
i = m[j];
ty = d[pty+j];
if (i && (ty==PT_CLNE || (ty==PT_PCLN && ver>=43) || (ty==PT_BCLN && ver>=44) || (ty==PT_SPRK && ver>=21) || (ty==PT_LAVA && ver>=34) || (ty==PT_PIPE && ver>=43) || (ty==PT_LIFE && ver>=51) || (ty==PT_PBCN && ver>=52) || (ty==PT_WIRE && ver>=55) || (ty==PT_STOR && ver>=59) || (ty==PT_CONV && ver>=60)))
{
if (p >= size)
goto corrupt;
if (i <= NPART)
parts[i-1].ctype = d[p++];
else
p++;
}
// no more particle properties to load, so we can change type here without messing up loading
if (i && i<=NPART)
{
if ((player.spwn == 1 && ty==PT_STKM) || (player2.spwn == 1 && ty==PT_STKM2))
{
parts[i-1].type = PT_NONE;
}
else if (parts[i-1].type == PT_STKM)
{
STKM_init_legs(&player, i-1);
player.spwn = 1;
player.elem = PT_DUST;
}
else if (parts[i-1].type == PT_STKM2)
{
STKM_init_legs(&player2, i-1);
player2.spwn = 1;
player2.elem = PT_DUST;
}
else if (parts[i-1].type == PT_FIGH)
{
unsigned char fcount = 0;
while (fcount < 100 && fcount < (fighcount+1) && fighters[fcount].spwn==1) fcount++;
if (fcount < 100 && fighters[fcount].spwn==0)
{
parts[i-1].tmp = fcount;
fighters[fcount].spwn = 1;
fighters[fcount].elem = PT_DUST;
fighcount++;
STKM_init_legs(&(fighters[fcount]), i-1);
}
}
if (ver<48 && (ty==OLD_PT_WIND || (ty==PT_BRAY&&parts[i-1].life==0)))
{
// Replace invisible particles with something sensible and add decoration to hide it
x = (int)(parts[i-1].x+0.5f);
y = (int)(parts[i-1].y+0.5f);
parts[i-1].dcolour = 0xFF000000;
parts[i-1].type = PT_DMND;
}
if(ver<51 && ((ty>=78 && ty<=89) || (ty>=134 && ty<=146 && ty!=141))){
//Replace old GOL
parts[i-1].type = PT_LIFE;
for (gnum = 0; gnum<NGOLALT; gnum++){
if (ty==goltype[gnum])
parts[i-1].ctype = gnum;
}
ty = PT_LIFE;
}
if(ver<52 && (ty==PT_CLNE || ty==PT_PCLN || ty==PT_BCLN)){
//Replace old GOL ctypes in clone
for (gnum = 0; gnum<NGOLALT; gnum++){
if (parts[i-1].ctype==goltype[gnum])
{
parts[i-1].ctype = PT_LIFE;
parts[i-1].tmp = gnum;
}
}
}
if(ty==PT_LCRY){
if(ver<67)
{
//New LCRY uses TMP not life
if(parts[i-1].life>=10)
{
parts[i-1].life = 10;
parts[i-1].tmp2 = 10;
parts[i-1].tmp = 3;
}
else if(parts[i-1].life<=0)
{
parts[i-1].life = 0;
parts[i-1].tmp2 = 0;
parts[i-1].tmp = 0;
}
else if(parts[i-1].life < 10 && parts[i-1].life > 0)
{
parts[i-1].tmp = 1;
}
}
else
{
parts[i-1].tmp2 = parts[i-1].life;
}
}
if (!ptypes[parts[i-1].type].enabled)
parts[i-1].type = PT_NONE;
}
}
#ifndef RENDERER
//Change the gravity state
if(ngrav_enable != tempGrav && replace)
{
if(tempGrav)
start_grav_async();
else
stop_grav_async();
}
#endif
gravity_mask();
if (p >= size)
goto version1;
j = d[p++];
for (i=0; i<j; i++)
{
if (p+6 > size)
goto corrupt;
for (k=0; k<MAXSIGNS; k++)
if (!signs[k].text[0])
break;
x = d[p++];
x |= ((unsigned)d[p++])<<8;
if (k<MAXSIGNS)
signs[k].x = x+x0;
x = d[p++];
x |= ((unsigned)d[p++])<<8;
if (k<MAXSIGNS)
signs[k].y = x+y0;
x = d[p++];
if (k<MAXSIGNS)
signs[k].ju = x;
x = d[p++];
if (p+x > size)
goto corrupt;
if (k<MAXSIGNS)
{
memcpy(signs[k].text, d+p, x);
signs[k].text[x] = 0;
clean_text(signs[k].text, 158-14 /* Current max sign length */);
}
p += x;
}
version1:
if (m) free(m);
if (d) free(d);
if (fp) free(fp);
return 0;
corrupt:
if (m) free(m);
if (d) free(d);
if (fp) free(fp);
if (replace)
{
legacy_enable = 0;
clear_sim();
}
return 1;
}
void *build_thumb(int *size, int bzip2)
{
unsigned char *d=calloc(1,XRES*YRES), *c;
int i,j,x,y;
for (i=0; i<NPART; i++)
if (parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if (x>=0 && x<XRES && y>=0 && y<YRES)
d[x+y*XRES] = parts[i].type;
}
for (y=0; y<YRES/CELL; y++)
for (x=0; x<XRES/CELL; x++)
if (bmap[y][x])
for (j=0; j<CELL; j++)
for (i=0; i<CELL; i++)
d[x*CELL+i+(y*CELL+j)*XRES] = 0xFF;
j = XRES*YRES;
if (bzip2)
{
i = (j*101+99)/100 + 608;
c = malloc(i);
c[0] = 0x53;
c[1] = 0x68;
c[2] = 0x49;
c[3] = 0x74;
c[4] = PT_NUM;
c[5] = CELL;
c[6] = XRES/CELL;
c[7] = YRES/CELL;
i -= 8;
if (BZ2_bzBuffToBuffCompress((char *)(c+8), (unsigned *)&i, (char *)d, j, 9, 0, 0) != BZ_OK)
{
free(d);
free(c);
return NULL;
}
free(d);
*size = i+8;
return c;
}
*size = j;
return d;
}
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