The-Powder-Toy/src/Graphics.cpp
2012-01-21 13:19:10 +00:00

2373 lines
57 KiB
C++

#include <math.h>
#include <SDL/SDL.h>
#include <bzlib.h>
#include <string>
#if defined(OGLR)
#ifdef MACOSX
#include <GL/glew.h>
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#elif defined(WIN32)
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
#endif
#endif
#include "Config.h"
//#include "simulation/Air.h"
//#include "simulation/Gravity.h"
//#include "powder.h"
//#define INCLUDE_PSTRUCT
//#include "Simulation.h"
//#include "Graphics.h"
//#include "ElementGraphics.h"
#define INCLUDE_FONTDATA
#include "font.h"
#include "Misc.h"
#include "hmap.h"
//unsigned cmode = CM_FIRE;
unsigned int *render_modes;
unsigned int render_mode;
unsigned int colour_mode;
unsigned int *display_modes;
unsigned int display_mode;
//SDL_Surface *sdl_scrn;
int sdl_scale = 1;
#ifdef OGLR
GLuint zoomTex, vidBuf, airBuf, fireAlpha, glowAlpha, blurAlpha, partsFboTex, partsFbo, partsTFX, partsTFY, airPV, airVY, airVX;
GLuint fireProg, airProg_Pressure, airProg_Velocity, airProg_Cracker, lensProg;
#endif
/*
int emp_decor = 0;
int sandcolour_r = 0;
int sandcolour_g = 0;
int sandcolour_b = 0;
int sandcolour_frame = 0;
unsigned char fire_r[YRES/CELL][XRES/CELL];
unsigned char fire_g[YRES/CELL][XRES/CELL];
unsigned char fire_b[YRES/CELL][XRES/CELL];
unsigned int fire_alpha[CELL*3][CELL*3];
pixel *pers_bg;
char * flm_data;
int flm_data_points = 4;
pixel flm_data_colours[] = {PIXPACK(0xAF9F0F), PIXPACK(0xDFBF6F), PIXPACK(0x60300F), PIXPACK(0x000000)};
float flm_data_pos[] = {1.0f, 0.9f, 0.5f, 0.0f};
char * plasma_data;
int plasma_data_points = 5;
pixel plasma_data_colours[] = {PIXPACK(0xAFFFFF), PIXPACK(0xAFFFFF), PIXPACK(0x301060), PIXPACK(0x301040), PIXPACK(0x000000)};
float plasma_data_pos[] = {1.0f, 0.9f, 0.5f, 0.25, 0.0f};*/
char * Graphics::generate_gradient(pixel * colours, float * points, int pointcount, int size)
{
int cp, i, j;
pixel ptemp;
char * newdata = (char*)malloc(size * 3);
float poss, pose, temp;
memset(newdata, 0, size*3);
//Sort the Colours and Points
for (i = (pointcount - 1); i > 0; i--)
{
for (j = 1; j <= i; j++)
{
if (points[j-1] > points[j])
{
temp = points[j-1];
points[j-1] = points[j];
points[j] = temp;
ptemp = colours[j-1];
colours[j-1] = colours[j];
colours[j] = ptemp;
}
}
}
i = 0;
j = 1;
poss = points[i];
pose = points[j];
for (cp = 0; cp < size; cp++)
{
float cpos = (float)cp / (float)size, ccpos, cccpos;
if(cpos > pose && j+1 < pointcount)
{
poss = points[++i];
pose = points[++j];
}
ccpos = cpos - poss;
cccpos = ccpos / (pose - poss);
if(cccpos > 1.0f)
cccpos = 1.0f;
newdata[(cp*3)] = PIXR(colours[i])*(1.0f-cccpos) + PIXR(colours[j])*(cccpos);
newdata[(cp*3)+1] = PIXG(colours[i])*(1.0f-cccpos) + PIXG(colours[j])*(cccpos);
newdata[(cp*3)+2] = PIXB(colours[i])*(1.0f-cccpos) + PIXB(colours[j])*(cccpos);
}
return newdata;
}
void *Graphics::ptif_pack(pixel *src, int w, int h, int *result_size){
int i = 0, datalen = (w*h)*3, cx = 0, cy = 0;
unsigned char *red_chan = (unsigned char*)calloc(1, w*h);
unsigned char *green_chan = (unsigned char*)calloc(1, w*h);
unsigned char *blue_chan = (unsigned char*)calloc(1, w*h);
unsigned char *data = (unsigned char*)malloc(((w*h)*3)+8);
unsigned char *result = (unsigned char*)malloc(((w*h)*3)+8);
for(cx = 0; cx<w; cx++){
for(cy = 0; cy<h; cy++){
red_chan[w*(cy)+(cx)] = PIXR(src[w*(cy)+(cx)]);
green_chan[w*(cy)+(cx)] = PIXG(src[w*(cy)+(cx)]);
blue_chan[w*(cy)+(cx)] = PIXB(src[w*(cy)+(cx)]);
}
}
memcpy(data, red_chan, w*h);
memcpy(data+(w*h), green_chan, w*h);
memcpy(data+((w*h)*2), blue_chan, w*h);
free(red_chan);
free(green_chan);
free(blue_chan);
result[0] = 'P';
result[1] = 'T';
result[2] = 'i';
result[3] = 1;
result[4] = w;
result[5] = w>>8;
result[6] = h;
result[7] = h>>8;
i -= 8;
if(BZ2_bzBuffToBuffCompress((char *)(result+8), (unsigned *)&i, (char *)data, datalen, 9, 0, 0) != 0){
free(data);
free(result);
return NULL;
}
*result_size = i+8;
free(data);
return result;
}
pixel *Graphics::ptif_unpack(void *datain, int size, int *w, int *h){
int width, height, i, cx, cy, resCode;
unsigned char *red_chan;
unsigned char *green_chan;
unsigned char *blue_chan;
unsigned char *data = (unsigned char*)datain;
unsigned char *undata;
pixel *result;
if(size<16){
printf("Image empty\n");
return NULL;
}
if(!(data[0]=='P' && data[1]=='T' && data[2]=='i')){
printf("Image header invalid\n");
return NULL;
}
width = data[4]|(data[5]<<8);
height = data[6]|(data[7]<<8);
i = (width*height)*3;
undata = (unsigned char*)calloc(1, (width*height)*3);
red_chan = (unsigned char*)calloc(1, width*height);
green_chan = (unsigned char*)calloc(1, width*height);
blue_chan = (unsigned char *)calloc(1, width*height);
result = (pixel *)calloc(width*height, PIXELSIZE);
resCode = BZ2_bzBuffToBuffDecompress((char *)undata, (unsigned *)&i, (char *)(data+8), size-8, 0, 0);
if (resCode){
printf("Decompression failure, %d\n", resCode);
free(red_chan);
free(green_chan);
free(blue_chan);
free(undata);
free(result);
return NULL;
}
if(i != (width*height)*3){
printf("Result buffer size mismatch, %d != %d\n", i, (width*height)*3);
free(red_chan);
free(green_chan);
free(blue_chan);
free(undata);
free(result);
return NULL;
}
memcpy(red_chan, undata, width*height);
memcpy(green_chan, undata+(width*height), width*height);
memcpy(blue_chan, undata+((width*height)*2), width*height);
for(cx = 0; cx<width; cx++){
for(cy = 0; cy<height; cy++){
result[width*(cy)+(cx)] = PIXRGB(red_chan[width*(cy)+(cx)], green_chan[width*(cy)+(cx)], blue_chan[width*(cy)+(cx)]);
}
}
*w = width;
*h = height;
free(red_chan);
free(green_chan);
free(blue_chan);
free(undata);
return result;
}
pixel *Graphics::resample_img_nn(pixel * src, int sw, int sh, int rw, int rh)
{
int y, x;
pixel *q = NULL;
q = (pixel *)malloc(rw*rh*PIXELSIZE);
for (y=0; y<rh; y++)
for (x=0; x<rw; x++){
q[rw*y+x] = src[sw*(y*sh/rh)+(x*sw/rw)];
}
return q;
}
pixel *Graphics::resample_img(pixel *src, int sw, int sh, int rw, int rh)
{
int y, x, fxceil, fyceil;
//int i,j,x,y,w,h,r,g,b,c;
pixel *q = NULL;
//TODO: Actual resampling, this is just cheap nearest pixel crap
if(rw == sw && rh == sh){
//Don't resample
q = (pixel *)malloc(rw*rh*PIXELSIZE);
memcpy(q, src, rw*rh*PIXELSIZE);
} else if(rw > sw && rh > sh){
float fx, fy, fyc, fxc;
double intp;
pixel tr, tl, br, bl;
q = (pixel *)malloc(rw*rh*PIXELSIZE);
//Bilinear interpolation for upscaling
for (y=0; y<rh; y++)
for (x=0; x<rw; x++)
{
fx = ((float)x)*((float)sw)/((float)rw);
fy = ((float)y)*((float)sh)/((float)rh);
fxc = modf(fx, &intp);
fyc = modf(fy, &intp);
fxceil = (int)ceil(fx);
fyceil = (int)ceil(fy);
if (fxceil>=sw) fxceil = sw-1;
if (fyceil>=sh) fyceil = sh-1;
tr = src[sw*(int)floor(fy)+fxceil];
tl = src[sw*(int)floor(fy)+(int)floor(fx)];
br = src[sw*fyceil+fxceil];
bl = src[sw*fyceil+(int)floor(fx)];
q[rw*y+x] = PIXRGB(
(int)(((((float)PIXR(tl))*(1.0f-fxc))+(((float)PIXR(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXR(bl))*(1.0f-fxc))+(((float)PIXR(br))*(fxc)))*(fyc)),
(int)(((((float)PIXG(tl))*(1.0f-fxc))+(((float)PIXG(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXG(bl))*(1.0f-fxc))+(((float)PIXG(br))*(fxc)))*(fyc)),
(int)(((((float)PIXB(tl))*(1.0f-fxc))+(((float)PIXB(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXB(bl))*(1.0f-fxc))+(((float)PIXB(br))*(fxc)))*(fyc))
);
}
} else {
//Stairstepping
float fx, fy, fyc, fxc;
double intp;
pixel tr, tl, br, bl;
int rrw = rw, rrh = rh;
pixel * oq;
oq = (pixel *)malloc(sw*sh*PIXELSIZE);
memcpy(oq, src, sw*sh*PIXELSIZE);
rw = sw;
rh = sh;
while(rrw != rw && rrh != rh){
rw *= 0.7;
rh *= 0.7;
if(rw <= rrw || rh <= rrh){
rw = rrw;
rh = rrh;
}
q = (pixel *)malloc(rw*rh*PIXELSIZE);
//Bilinear interpolation for upscaling
for (y=0; y<rh; y++)
for (x=0; x<rw; x++)
{
fx = ((float)x)*((float)sw)/((float)rw);
fy = ((float)y)*((float)sh)/((float)rh);
fxc = modf(fx, &intp);
fyc = modf(fy, &intp);
fxceil = (int)ceil(fx);
fyceil = (int)ceil(fy);
if (fxceil>=sw) fxceil = sw-1;
if (fyceil>=sh) fyceil = sh-1;
tr = oq[sw*(int)floor(fy)+fxceil];
tl = oq[sw*(int)floor(fy)+(int)floor(fx)];
br = oq[sw*fyceil+fxceil];
bl = oq[sw*fyceil+(int)floor(fx)];
q[rw*y+x] = PIXRGB(
(int)(((((float)PIXR(tl))*(1.0f-fxc))+(((float)PIXR(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXR(bl))*(1.0f-fxc))+(((float)PIXR(br))*(fxc)))*(fyc)),
(int)(((((float)PIXG(tl))*(1.0f-fxc))+(((float)PIXG(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXG(bl))*(1.0f-fxc))+(((float)PIXG(br))*(fxc)))*(fyc)),
(int)(((((float)PIXB(tl))*(1.0f-fxc))+(((float)PIXB(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXB(bl))*(1.0f-fxc))+(((float)PIXB(br))*(fxc)))*(fyc))
);
}
free(oq);
oq = q;
sw = rw;
sh = rh;
}
}
return q;
}
pixel *Graphics::rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f)
{
int i,j,x,y,w,h,r,g,b,c;
pixel p, *q;
w = (sw+f-1)/f;
h = (sh+f-1)/f;
q = (pixel *)malloc(w*h*PIXELSIZE);
for (y=0; y<h; y++)
for (x=0; x<w; x++)
{
r = g = b = c = 0;
for (j=0; j<f; j++)
for (i=0; i<f; i++)
if (x*f+i<sw && y*f+j<sh)
{
p = src[(y*f+j)*sw + (x*f+i)];
if (p)
{
r += PIXR(p);
g += PIXG(p);
b += PIXB(p);
c ++;
}
}
if (c>1)
{
r = (r+c/2)/c;
g = (g+c/2)/c;
b = (b+c/2)/c;
}
q[y*w+x] = PIXRGB(r, g, b);
}
*qw = w;
*qh = h;
return q;
}
#ifdef OGLR
void clearScreen(float alpha)
{
if(alpha > 0.999f)
{
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glClear(GL_COLOR_BUFFER_BIT);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
else
{
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
glColor4f(1.0f, 1.0f, 1.0f, alpha);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glBegin(GL_QUADS);
glVertex2f(0, 0);
glVertex2f(XRES, 0);
glVertex2f(XRES, YRES);
glVertex2f(0, YRES);
glEnd();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlendEquation(GL_FUNC_ADD);
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
}
void clearScreenNP(float alpha)
{
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
}
void ogl_blit(int x, int y, int w, int h, pixel *src, int pitch, int scale)
{
//glDrawPixels(w,h,GL_BGRA,GL_UNSIGNED_BYTE,src); //Why does this still think it's ABGR?
glEnable( GL_TEXTURE_2D );
glBindTexture(GL_TEXTURE_2D, vidBuf);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES+BARSIZE, YRES+MENUSIZE, GL_BGRA, GL_UNSIGNED_BYTE, src);
glBegin(GL_QUADS);
glTexCoord2d(1, 0);
glVertex3f((XRES+BARSIZE)*sdl_scale, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 0);
glVertex3f(0, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 1);
glVertex3f(0, 0, 1.0);
glTexCoord2d(1, 1);
glVertex3f((XRES+BARSIZE)*sdl_scale, 0, 1.0);
glEnd();
glDisable( GL_TEXTURE_2D );
glFlush();
SDL_GL_SwapBuffers ();
}
#endif
//an easy way to draw a blob
void Graphics::drawblob(int x, int y, unsigned char cr, unsigned char cg, unsigned char cb)
{
blendpixel(x+1, y, cr, cg, cb, 112);
blendpixel(x-1, y, cr, cg, cb, 112);
blendpixel(x, y+1, cr, cg, cb, 112);
blendpixel(x, y-1, cr, cg, cb, 112);
blendpixel(x+1, y-1, cr, cg, cb, 64);
blendpixel(x-1, y-1, cr, cg, cb, 64);
blendpixel(x+1, y+1, cr, cg, cb, 64);
blendpixel(x-1, y+1, cr, cg, cb, 64);
}
//draws walls and elements for menu
/*int draw_tool_xy(pixel *vid_buf, int x, int y, int b, unsigned pc)
{
int i, j, c;
pixel gc;
if (x > XRES-26 || x < 0)
return 26;
if ((b&0xFF) == PT_LIFE)
{
for (j=1; j<15; j++)
{
for (i=1; i<27; i++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
c = PIXB(pc) + 3*PIXG(pc) + 2*PIXR(pc);
if (c<544)
{
c = 255;
}
else
{
c = 0;
}
drawtext(vid_buf, x+14-textwidth((char *)gmenu[(b>>8)&0xFF].name)/2, y+4, (char *)gmenu[(b>>8)&0xFF].name, c, c, c, 255);
}
else if (b>=UI_WALLSTART)
{
int ds = 0;
if (b-UI_WALLSTART>=0 && b-UI_WALLSTART<UI_WALLCOUNT)
{
ds = wtypes[b-UI_WALLSTART].drawstyle;
gc = wtypes[b-UI_WALLSTART].eglow;
}
//x = (2+32*((b-22)/1));
//y = YRES+2+40;
if (ds==1)
{
for (j=1; j<15; j+=2)
for (i=1+(1&(j>>1)); i<27; i+=2)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
else if (ds==2)
{
for (j=1; j<15; j+=2)
for (i=1; i<27; i+=2)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
else if (ds==3)
{
for (j=1; j<15; j++)
for (i=1; i<27; i++)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
else if (ds==4)
{
for (j=1; j<15; j++)
for (i=1; i<27; i++)
if(i%CELL == j%CELL)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
else if (i%CELL == (j%CELL)+1 || (i%CELL == 0 && j%CELL == CELL-1))
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = gc;
else
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = PIXPACK(0x202020);
}
else
switch (b)
{
case WL_WALLELEC+100:
for (j=1; j<15; j++)
{
for (i=1; i<27; i++)
{
if (!(i%2) && !(j%2))
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
else
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = PIXPACK(0x808080);
}
}
}
break;
case WL_EWALL+100:
for (j=1; j<15; j++)
{
for (i=1; i<6+j; i++)
{
if (!(i&j&1))
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
for (; i<27; i++)
{
if (i&j&1)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
}
break;
case WL_STREAM+100:
for (j=1; j<15; j++)
{
for (i=1; i<27; i++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = i==1||i==26||j==1||j==14 ? PIXPACK(0xA0A0A0) : PIXPACK(0x000000);
drawtext(vid_buf, x+4, y+3, "\x8D", 255, 255, 255, 255);
}
}
for (i=9; i<27; i++)
{
drawpixel(vid_buf, x+i, y+8+(int)(3.9f*cos(i*0.3f)), 255, 255, 255, 255);
}
break;
case WL_SIGN+100:
for (j=1; j<15; j++)
{
for (i=1; i<27; i++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = i==1||i==26||j==1||j==14 ? PIXPACK(0xA0A0A0) : PIXPACK(0x000000);
}
}
drawtext(vid_buf, x+9, y+3, "\xA1", 32, 64, 128, 255);
drawtext(vid_buf, x+9, y+3, "\xA0", 255, 255, 255, 255);
break;
case WL_ERASE+100:
for (j=1; j<15; j+=2)
{
for (i=1+(1&(j>>1)); i<13; i+=2)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
for (j=1; j<15; j++)
{
for (i=14; i<27; i++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
break;
case SPC_AIR:
case SPC_HEAT:
case SPC_COOL:
case SPC_VACUUM:
case SPC_WIND:
case SPC_PGRV:
case SPC_NGRV:
case SPC_PROP:
for (j=1; j<15; j++)
for (i=1; i<27; i++)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
c = PIXR(pc) + 3*PIXG(pc) + 2*PIXB(pc);
if (c<544)
{
c = 255;
}
else
{
c = 0;
}
if (b==SPC_AIR)
drawtext(vid_buf, x+14-textwidth("AIR")/2, y+4, "AIR", c, c, c, 255);
else if (b==SPC_HEAT)
drawtext(vid_buf, x+14-textwidth("HEAT")/2, y+4, "HEAT", c, c, c, 255);
else if (b==SPC_COOL)
drawtext(vid_buf, x+14-textwidth("COOL")/2, y+4, "COOL", c, c, c, 255);
else if (b==SPC_VACUUM)
drawtext(vid_buf, x+14-textwidth("VAC")/2, y+4, "VAC", c, c, c, 255);
else if (b==SPC_WIND)
drawtext(vid_buf, x+14-textwidth("WIND")/2, y+4, "WIND", c, c, c, 255);
else if (b==SPC_PGRV)
drawtext(vid_buf, x+14-textwidth("PGRV")/2, y+4, "PGRV", c, c, c, 255);
else if (b==SPC_NGRV)
drawtext(vid_buf, x+14-textwidth("NGRV")/2, y+4, "NGRV", c, c, c, 255);
else if (b==SPC_PROP)
drawtext(vid_buf, x+14-textwidth("PROP")/2, y+4, "PROP", c, c, c, 255);
break;
default:
for (j=1; j<15; j++)
for (i=1; i<27; i++)
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
if (b==WL_ERASE+100)
{
for (j=4; j<12; j++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+j+6)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x+j+7)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x-j+21)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x-j+22)] = PIXPACK(0xFF0000);
}
}
}
else
{
//x = 2+32*(b/2);
//y = YRES+2+20*(b%2);
for (j=1; j<15; j++)
{
for (i=1; i<27; i++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+i)] = pc;
}
}
if (b==0)
{
for (j=4; j<12; j++)
{
vid_buf[(XRES+BARSIZE)*(y+j)+(x+j+6)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x+j+7)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x-j+21)] = PIXPACK(0xFF0000);
vid_buf[(XRES+BARSIZE)*(y+j)+(x-j+22)] = PIXPACK(0xFF0000);
}
}
c = PIXB(ptypes[b].pcolors) + 3*PIXG(ptypes[b].pcolors) + 2*PIXR(ptypes[b].pcolors);
if (c<544)
{
c = 255;
}
else
{
c = 0;
}
drawtext(vid_buf, x+14-textwidth((char *)ptypes[b].name)/2, y+4, (char *)ptypes[b].name, c, c, c, 255);
}
return 26;
}*/
/*void draw_menu(pixel *vid_buf, int i, int hover)
{
if (i==SEC&&SEC!=0)
drawrect(vid_buf, (XRES+BARSIZE)-16, (i*16)+YRES+MENUSIZE-16-(SC_TOTAL*16), 14, 14, 0, 255, 255, 255);
else
drawrect(vid_buf, (XRES+BARSIZE)-16, (i*16)+YRES+MENUSIZE-16-(SC_TOTAL*16), 14, 14, 255, 255, 255, 255);
if (hover==i)
{
fillrect(vid_buf, (XRES+BARSIZE)-16, (i*16)+YRES+MENUSIZE-16-(SC_TOTAL*16), 14, 14, 255, 255, 255, 255);
drawtext(vid_buf, (XRES+BARSIZE)-13, (i*16)+YRES+MENUSIZE-14-(SC_TOTAL*16), msections[i].icon, 0, 0, 0, 255);
}
else
{
drawtext(vid_buf, (XRES+BARSIZE)-13, (i*16)+YRES+MENUSIZE-14-(SC_TOTAL*16), msections[i].icon, 255, 255, 255, 255);
}
}*/
/*void draw_color_menu(pixel *vid_buf, int i, int hover)
{
drawrect(vid_buf, (XRES+BARSIZE)-16, (i*16)+YRES+MENUSIZE-16-(DECO_SECTIONS*16), 14, 14, 255, 255, 255, 255);
if (hover==i)
{
fillrect(vid_buf, (XRES+BARSIZE)-16, (i*16)+YRES+MENUSIZE-16-(DECO_SECTIONS*16), 14, 14, 255, 255, 255, 255);
drawtext(vid_buf, (XRES+BARSIZE)-13, (i*16)+YRES+MENUSIZE-14-(DECO_SECTIONS*16), colorsections[i].icon, 0, 0, 0, 255);
}
else
{
drawtext(vid_buf, (XRES+BARSIZE)-13, (i*16)+YRES+MENUSIZE-14-(DECO_SECTIONS*16), colorsections[i].icon, 255, 255, 255, 255);
}
}*/
//draws a pixel, identical to blendpixel(), except blendpixel has OpenGL support
TPT_INLINE void Graphics::drawpixel(int x, int y, int r, int g, int b, int a)
{
#ifdef PIXALPHA
pixel t;
if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
return;
if (a!=255)
{
t = vid[y*(XRES+BARSIZE)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
a = a > PIXA(t) ? a : PIXA(t);
}
vid[y*(XRES+BARSIZE)+x] = PIXRGBA(r,g,b,a);
#else
pixel t;
if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
return;
if (a!=255)
{
t = vid[y*(XRES+BARSIZE)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
}
vid[y*(XRES+BARSIZE)+x] = PIXRGB(r,g,b);
#endif
}
inline int Graphics::drawchar(int x, int y, int c, int r, int g, int b, int a)
{
int i, j, w, bn = 0, ba = 0;
char *rp = font_data + font_ptrs[c];
w = *(rp++);
for (j=0; j<FONT_H; j++)
for (i=0; i<w; i++)
{
if (!bn)
{
ba = *(rp++);
bn = 8;
}
drawpixel(x+i, y+j, r, g, b, ((ba&3)*a)/3);
ba >>= 2;
bn -= 2;
}
return x + w;
}
inline int Graphics::addchar(int x, int y, int c, int r, int g, int b, int a)
{
int i, j, w, bn = 0, ba = 0;
char *rp = font_data + font_ptrs[c];
w = *(rp++);
for (j=0; j<FONT_H; j++)
for (i=0; i<w; i++)
{
if (!bn)
{
ba = *(rp++);
bn = 8;
}
{
addpixel(x+i, y+j, r, g, b, ((ba&3)*a)/3);
}
ba >>= 2;
bn -= 2;
}
return x + w;
}
int Graphics::drawtext(int x, int y, std::string &s, int r, int g, int b, int a)
{
return drawtext(x, y, s.c_str(), r, g, b, a);
}
int Graphics::drawtext(int x, int y, const char *s, int r, int g, int b, int a)
{
int sx = x;
for (; *s; s++)
{
if (*s == '\n')
{
x = sx;
y += FONT_H+2;
}
else if (*s == '\b')
{
switch (s[1])
{
case 'w':
r = g = b = 255;
break;
case 'g':
r = g = b = 192;
break;
case 'o':
r = 255;
g = 216;
b = 32;
break;
case 'r':
r = 255;
g = b = 0;
break;
case 'l':
r = 255;
g = b = 75;
break;
case 'b':
r = g = 0;
b = 255;
break;
case 't':
b = 255;
g = 170;
r = 32;
break;
}
s++;
}
else
x = drawchar(x, y, *(unsigned char *)s, r, g, b, a);
}
return x;
}
//Draw text with an outline
int Graphics::drawtext_outline(int x, int y, const char *s, int r, int g, int b, int a, int olr, int olg, int olb, int ola)
{
drawtext(x-1, y-1, s, olr, olg, olb, ola);
drawtext(x+1, y+1, s, olr, olg, olb, ola);
drawtext(x-1, y+1, s, olr, olg, olb, ola);
drawtext(x+1, y-1, s, olr, olg, olb, ola);
return drawtext(x, y, s, r, g, b, a);
}
int Graphics::drawtextwrap(int x, int y, int w, const char *s, int r, int g, int b, int a)
{
int sx = x;
int rh = 12;
int rw = 0;
int cw = x;
int wordlen;
int charspace;
while (*s)
{
wordlen = strcspn(s," .,!?\n");
charspace = textwidthx((char *)s, w-(x-cw));
if (charspace<wordlen && wordlen && w-(x-cw)<w/3)
{
x = sx;
rw = 0;
y+=FONT_H+2;
rh+=FONT_H+2;
}
for (; *s && --wordlen>=-1; s++)
{
if (*s == '\n')
{
x = sx;
rw = 0;
y += FONT_H+2;
}
else if (*s == '\b')
{
switch (s[1])
{
case 'w':
r = g = b = 255;
break;
case 'g':
r = g = b = 192;
break;
case 'o':
r = 255;
g = 216;
b = 32;
break;
case 'r':
r = 255;
g = b = 0;
break;
case 'l':
r = 255;
g = b = 75;
break;
case 'b':
r = g = 0;
b = 255;
break;
case 't':
b = 255;
g = 170;
r = 32;
break;
}
s++;
}
else
{
if (x-cw>=w)
{
x = sx;
rw = 0;
y+=FONT_H+2;
rh+=FONT_H+2;
}
x = drawchar(x, y, *(unsigned char *)s, r, g, b, a);
}
}
}
return rh;
}
//draws a rectange, (x,y) are the top left coords.
void Graphics::drawrect(int x, int y, int w, int h, int r, int g, int b, int a)
{
int i;
for (i=0; i<=w; i++)
{
drawpixel(x+i, y, r, g, b, a);
drawpixel(x+i, y+h, r, g, b, a);
}
for (i=1; i<h; i++)
{
drawpixel(x, y+i, r, g, b, a);
drawpixel(x+w, y+i, r, g, b, a);
}
}
//draws a rectangle and fills it in as well.
void Graphics::fillrect(int x, int y, int w, int h, int r, int g, int b, int a)
{
int i,j;
for (j=1; j<h; j++)
for (i=1; i<w; i++)
drawpixel(x+i, y+j, r, g, b, a);
}
void Graphics::clearrect(int x, int y, int w, int h)
{
#ifdef OGLR
fillrect(x, y, w, h, 0, 0, 0, 255);
#else
int i;
for (i=1; i<h; i++)
memset(vid+(x+1+(XRES+BARSIZE)*(y+i)), 0, PIXELSIZE*(w-1));
#endif
}
//draws a line of dots, where h is the height. (why is this even here)
void Graphics::drawdots(int x, int y, int h, int r, int g, int b, int a)
{
int i;
for (i=0; i<=h; i+=2)
drawpixel(x, y+i, r, g, b, a);
}
int Graphics::textwidth(char *s)
{
int x = 0;
for (; *s; s++)
x += font_data[font_ptrs[(int)(*(unsigned char *)s)]];
return x-1;
}
int Graphics::drawtextmax(int x, int y, int w, char *s, int r, int g, int b, int a)
{
int i;
w += x-5;
for (; *s; s++)
{
if (x+font_data[font_ptrs[(int)(*(unsigned char *)s)]]>=w && x+textwidth(s)>=w+5)
break;
x = drawchar(x, y, *(unsigned char *)s, r, g, b, a);
}
if (*s)
for (i=0; i<3; i++)
x = drawchar(x, y, '.', r, g, b, a);
return x;
}
int Graphics::textnwidth(char *s, int n)
{
int x = 0;
for (; *s; s++)
{
if (!n)
break;
x += font_data[font_ptrs[(int)(*(unsigned char *)s)]];
n--;
}
return x-1;
}
void Graphics::textnpos(char *s, int n, int w, int *cx, int *cy)
{
int x = 0;
int y = 0;
int wordlen, charspace;
while (*s&&n)
{
wordlen = strcspn(s," .,!?\n");
charspace = textwidthx(s, w-x);
if (charspace<wordlen && wordlen && w-x<w/3)
{
x = 0;
y += FONT_H+2;
}
for (; *s && --wordlen>=-1; s++)
{
if (!n) {
break;
}
x += font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if (x>=w)
{
x = 0;
y += FONT_H+2;
}
n--;
}
}
*cx = x-1;
*cy = y;
}
int Graphics::textwidthx(char *s, int w)
{
int x=0,n=0,cw;
for (; *s; s++)
{
cw = font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if (x+(cw/2) >= w)
break;
x += cw;
n++;
}
return n;
}
int Graphics::textposxy(char *s, int width, int w, int h)
{
int x=0,y=0,n=0,cw, wordlen, charspace;
while (*s)
{
wordlen = strcspn(s," .,!?\n");
charspace = textwidthx(s, width-x);
if (charspace<wordlen && wordlen && width-x<width/3)
{
x = 0;
y += FONT_H+2;
}
for (; *s && --wordlen>=-1; s++)
{
cw = font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if ((x+(cw/2) >= w && y+6 >= h)||(y+6 >= h+FONT_H+2))
return n++;
x += cw;
if (x>=width) {
x = 0;
y += FONT_H+2;
}
n++;
}
}
return n;
}
int Graphics::textwrapheight(char *s, int width)
{
int x=0, height=FONT_H+2, cw;
int wordlen;
int charspace;
while (*s)
{
wordlen = strcspn(s," .,!?\n");
charspace = textwidthx(s, width-x);
if (charspace<wordlen && wordlen && width-x<width/3)
{
x = 0;
height += FONT_H+2;
}
for (; *s && --wordlen>=-1; s++)
{
if (*s == '\n')
{
x = 0;
height += FONT_H+2;
}
else if (*s == '\b')
{
s++;
}
else
{
cw = font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if (x+cw>=width)
{
x = 0;
height += FONT_H+2;
}
x += cw;
}
}
}
return height;
}
//the most used function for drawing a pixel, because it has OpenGL support, which is not fully implemented.
TPT_INLINE void Graphics::blendpixel(int x, int y, int r, int g, int b, int a)
{
#ifdef PIXALPHA
pixel t;
if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
return;
if (a!=255)
{
t = vid[y*(XRES+BARSIZE)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
a = a > PIXA(t) ? a : PIXA(t);
}
vid[y*(XRES+BARSIZE)+x] = PIXRGBA(r,g,b,a);
#else
pixel t;
if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
return;
if (a!=255)
{
t = vid[y*(XRES+BARSIZE)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
}
vid[y*(XRES+BARSIZE)+x] = PIXRGB(r,g,b);
#endif
}
void Graphics::draw_icon(int x, int y, char ch, int flag)
{
char t[2];
t[0] = ch;
t[1] = 0;
if (flag)
{
fillrect(x-1, y-1, 17, 17, 255, 255, 255, 255);
drawtext(x+3, y+2, t, 0, 0, 0, 255);
}
else
{
drawrect(x, y, 15, 15, 255, 255, 255, 255);
drawtext(x+3, y+2, t, 255, 255, 255, 255);
}
}
void Graphics::draw_line(int x1, int y1, int x2, int y2, int r, int g, int b, int a) //Draws a line
{
int dx, dy, i, sx, sy, check, e, x, y;
dx = abs(x1-x2);
dy = abs(y1-y2);
sx = isign(x2-x1);
sy = isign(y2-y1);
x = x1;
y = y1;
check = 0;
if (dy>dx)
{
dx = dx+dy;
dy = dx-dy;
dx = dx-dy;
check = 1;
}
e = (dy<<2)-dx;
for (i=0; i<=dx; i++)
{
if (x>=0 && y>=0 && x<a && y<YRES+MENUSIZE)
vid[x+y*a] =PIXRGB(r, g, b);
if (e>=0)
{
if (check==1)
x = x+sx;
else
y = y+sy;
e = e-(dx<<2);
}
if (check==1)
y = y+sy;
else
x = x+sx;
e = e+(dy<<2);
}
}
//adds color to a pixel, does not overwrite.
void Graphics::addpixel(int x, int y, int r, int g, int b, int a)
{
pixel t;
if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
return;
t = vid[y*(XRES+BARSIZE)+x];
r = (a*r + 255*PIXR(t)) >> 8;
g = (a*g + 255*PIXG(t)) >> 8;
b = (a*b + 255*PIXB(t)) >> 8;
if (r>255)
r = 255;
if (g>255)
g = 255;
if (b>255)
b = 255;
vid[y*(XRES+BARSIZE)+x] = PIXRGB(r,g,b);
}
//draws one of two colors, so that it is always clearly visible
void Graphics::xor_pixel(int x, int y)
{
int c;
if (x<0 || y<0 || x>=XRES || y>=YRES)
return;
c = vid[y*(XRES+BARSIZE)+x];
c = PIXB(c) + 3*PIXG(c) + 2*PIXR(c);
if (c<512)
vid[y*(XRES+BARSIZE)+x] = PIXPACK(0xC0C0C0);
else
vid[y*(XRES+BARSIZE)+x] = PIXPACK(0x404040);
}
//same as xor_pixel, but draws a line of it
void Graphics::xor_line(int x1, int y1, int x2, int y2)
{
int cp=abs(y2-y1)>abs(x2-x1), x, y, dx, dy, sy;
float e, de;
if (cp)
{
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 (cp)
xor_pixel(y, x);
else
xor_pixel(x, y);
e += de;
if (e >= 0.5f)
{
y += sy;
e -= 1.0f;
}
}
}
//same as blend_pixel, but draws a line of it
void Graphics::blend_line(int x1, int y1, int x2, int y2, int r, int g, int b, int a)
{
int cp=abs(y2-y1)>abs(x2-x1), x, y, dx, dy, sy;
float e, de;
if (cp)
{
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 (cp)
blendpixel(y, x, r, g, b, a);
else
blendpixel(x, y, r, g, b, a);
e += de;
if (e >= 0.5f)
{
y += sy;
e -= 1.0f;
}
}
}
//same as xor_pixel, but draws a rectangle
void Graphics::xor_rect(int x, int y, int w, int h)
{
int i;
for (i=0; i<w; i+=2)
{
xor_pixel(x+i, y);
xor_pixel(x+i, y+h-1);
}
for (i=2; i<h; i+=2)
{
xor_pixel(x, y+i);
xor_pixel(x+w-1, y+i);
}
}
//New function for drawing particles
#ifdef OGLR
GLuint fireV[(YRES*XRES)*2];
GLfloat fireC[(YRES*XRES)*4];
GLuint smokeV[(YRES*XRES)*2];
GLfloat smokeC[(YRES*XRES)*4];
GLuint blobV[(YRES*XRES)*2];
GLfloat blobC[(YRES*XRES)*4];
GLuint blurV[(YRES*XRES)*2];
GLfloat blurC[(YRES*XRES)*4];
GLuint glowV[(YRES*XRES)*2];
GLfloat glowC[(YRES*XRES)*4];
GLuint flatV[(YRES*XRES)*2];
GLfloat flatC[(YRES*XRES)*4];
GLuint addV[(YRES*XRES)*2];
GLfloat addC[(YRES*XRES)*4];
GLfloat lineV[(((YRES*XRES)*2)*6)];
GLfloat lineC[(((YRES*XRES)*2)*6)];
#endif
#ifdef OGLR
void draw_parts_fbo()
{
glEnable( GL_TEXTURE_2D );
if(display_mode & DISPLAY_WARP)
{
float xres = XRES, yres = YRES;
glUseProgram(lensProg);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glUniform1i(glGetUniformLocation(lensProg, "pTex"), 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES/CELL, YRES/CELL, GL_RED, GL_FLOAT, gravx);
glUniform1i(glGetUniformLocation(lensProg, "tfX"), 1);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES/CELL, YRES/CELL, GL_GREEN, GL_FLOAT, gravy);
glUniform1i(glGetUniformLocation(lensProg, "tfY"), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1fv(glGetUniformLocation(lensProg, "xres"), 1, &xres);
glUniform1fv(glGetUniformLocation(lensProg, "yres"), 1, &yres);
}
else
{
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glBlendFunc(GL_ONE, GL_ONE);
}
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2d(1, 0);
glVertex3f(XRES*sdl_scale, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 0);
glVertex3f(0, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 1);
glVertex3f(0, MENUSIZE*sdl_scale, 1.0);
glTexCoord2d(1, 1);
glVertex3f(XRES*sdl_scale, MENUSIZE*sdl_scale, 1.0);
glEnd();
if(display_mode & DISPLAY_WARP)
{
glUseProgram(0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDisable( GL_TEXTURE_2D );
}
#endif
//draws the photon colors in the HUD
void Graphics::draw_wavelengths(int x, int y, int h, int wl)
{
int i,cr,cg,cb,j;
int tmp;
fillrect(x-1,y-1,30+1,h+1,64,64,64,255); // coords -1 size +1 to work around bug in fillrect - TODO: fix fillrect
for (i=0; i<30; i++)
{
if ((wl>>i)&1)
{
// Need a spread of wavelengths to get a smooth spectrum, 5 bits seems to work reasonably well
if (i>2) tmp = 0x1F << (i-2);
else tmp = 0x1F >> (2-i);
cg = 0;
cb = 0;
cr = 0;
for (j=0; j<12; j++) {
cr += (tmp >> (j+18)) & 1;
cb += (tmp >> j) & 1;
}
for (j=0; j<13; j++)
cg += (tmp >> (j+9)) & 1;
tmp = 624/(cr+cg+cb+1);
cr *= tmp;
cg *= tmp;
cb *= tmp;
for (j=0; j<h; j++) blendpixel(x+29-i,y+j,cr>255?255:cr,cg>255?255:cg,cb>255?255:cb,255);
}
}
}
pixel *Graphics::render_packed_rgb(void *image, int width, int height, int cmp_size)
{
unsigned char *tmp;
pixel *res;
int i;
tmp = (unsigned char *)malloc(width*height*3);
if (!tmp)
return NULL;
res = (pixel *)malloc(width*height*PIXELSIZE);
if (!res)
{
free(tmp);
return NULL;
}
i = width*height*3;
if (BZ2_bzBuffToBuffDecompress((char *)tmp, (unsigned *)&i, (char *)image, cmp_size, 0, 0))
{
free(res);
free(tmp);
return NULL;
}
for (i=0; i<width*height; i++)
res[i] = PIXRGB(tmp[3*i], tmp[3*i+1], tmp[3*i+2]);
free(tmp);
return res;
}
void Graphics::draw_rgba_image(unsigned char *data, int x, int y, float alpha)
{
unsigned char w, h;
int i, j;
unsigned char r, g, b, a;
if (!data) return;
w = *(data++)&0xFF;
h = *(data++)&0xFF;
for (j=0; j<h; j++)
{
for (i=0; i<w; i++)
{
r = *(data++)&0xFF;
g = *(data++)&0xFF;
b = *(data++)&0xFF;
a = *(data++)&0xFF;
drawpixel(x+i, y+j, r, g, b, a*alpha);
}
}
}
void Graphics::draw_image(pixel *img, int x, int y, int w, int h, int a)
{
int i, j, r, g, b;
if (!img) return;
if(y + h > YRES+MENUSIZE) h = (YRES+MENUSIZE)-y; //Adjust height to prevent drawing off the bottom
if(a >= 255)
for (j=0; j<h; j++)
for (i=0; i<w; i++)
{
vid[(y+j)*(XRES+BARSIZE)+(x+i)] = *img;
img++;
}
else
for (j=0; j<h; j++)
for (i=0; i<w; i++)
{
r = PIXR(*img);
g = PIXG(*img);
b = PIXB(*img);
drawpixel(x+i, y+j, r, g, b, a);
img++;
}
}
void Graphics::dim_copy(pixel *dst, pixel *src) //old persistent, unused
{
int i,r,g,b;
for (i=0; i<XRES*YRES; i++)
{
r = PIXR(src[i]);
g = PIXG(src[i]);
b = PIXB(src[i]);
if (r>0)
r--;
if (g>0)
g--;
if (b>0)
b--;
dst[i] = PIXRGB(r,g,b);
}
}
void Graphics::dim_copy_pers(pixel *dst, pixel *src) //for persistent view, reduces rgb slowly
{
int i,r,g,b;
for (i=0; i<(XRES+BARSIZE)*YRES; i++)
{
r = PIXR(src[i]);
g = PIXG(src[i]);
b = PIXB(src[i]);
if (r>0)
r--;
if (g>0)
g--;
if (b>0)
b--;
dst[i] = PIXRGB(r,g,b);
}
}
/*void render_zoom(pixel *img) //draws the zoom box
{
#ifdef OGLR
int origBlendSrc, origBlendDst;
float zcx1, zcx0, zcy1, zcy0, yfactor, xfactor, i; //X-Factor is shit, btw
xfactor = 1.0f/(float)XRES;
yfactor = 1.0f/(float)YRES;
zcx0 = (zoom_x)*xfactor;
zcx1 = (zoom_x+ZSIZE)*xfactor;
zcy0 = (zoom_y)*yfactor;
zcy1 = ((zoom_y+ZSIZE))*yfactor;
glGetIntegerv(GL_BLEND_SRC, &origBlendSrc);
glGetIntegerv(GL_BLEND_DST, &origBlendDst);
glBlendFunc(GL_ONE, GL_ZERO);
glEnable( GL_TEXTURE_2D );
//glReadBuffer(GL_AUX0);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2d(zcx1, zcy1);
glVertex3f((zoom_wx+ZSIZE*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR))*sdl_scale, 1.0);
glTexCoord2d(zcx0, zcy1);
glVertex3f(zoom_wx*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR))*sdl_scale, 1.0);
glTexCoord2d(zcx0, zcy0);
glVertex3f(zoom_wx*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale, 1.0);
glTexCoord2d(zcx1, zcy0);
glVertex3f((zoom_wx+ZSIZE*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale, 1.0);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0);
glDisable( GL_TEXTURE_2D );
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLineWidth(sdl_scale);
glEnable(GL_LINE_SMOOTH);
glBegin(GL_LINES);
glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
for(i = 0; i < ZSIZE; i++)
{
glVertex2f((zoom_wx+ZSIZE*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR)+i*ZFACTOR)*sdl_scale);
glVertex2f(zoom_wx*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR)+i*ZFACTOR)*sdl_scale);
glVertex2f((zoom_wx+i*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR))*sdl_scale);
glVertex2f((zoom_wx+i*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale);
}
glEnd();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_LINE_STRIP);
glVertex3i((zoom_wx-1)*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale, 0);
glVertex3i((zoom_wx-1)*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR))*sdl_scale, 0);
glVertex3i((zoom_wx+ZSIZE*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR))*sdl_scale, 0);
glVertex3i((zoom_wx+ZSIZE*ZFACTOR)*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale, 0);
glVertex3i((zoom_wx-1)*sdl_scale, (YRES+MENUSIZE-zoom_wy)*sdl_scale, 0);
glEnd();
glDisable(GL_LINE_SMOOTH);
glDisable(GL_LINE_SMOOTH);
if(zoom_en)
{
glEnable(GL_COLOR_LOGIC_OP);
//glEnable(GL_LINE_SMOOTH);
glLogicOp(GL_XOR);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_LINE_STRIP);
glVertex3i((zoom_x-1)*sdl_scale, (YRES+MENUSIZE-(zoom_y-1))*sdl_scale, 0);
glVertex3i((zoom_x-1)*sdl_scale, (YRES+MENUSIZE-(zoom_y+ZSIZE))*sdl_scale, 0);
glVertex3i((zoom_x+ZSIZE)*sdl_scale, (YRES+MENUSIZE-(zoom_y+ZSIZE))*sdl_scale, 0);
glVertex3i((zoom_x+ZSIZE)*sdl_scale, (YRES+MENUSIZE-(zoom_y-1))*sdl_scale, 0);
glVertex3i((zoom_x-1)*sdl_scale, (YRES+MENUSIZE-(zoom_y-1))*sdl_scale, 0);
glEnd();
glDisable(GL_COLOR_LOGIC_OP);
}
glLineWidth(1);
glBlendFunc(origBlendSrc, origBlendDst);
#else
int x, y, i, j;
pixel pix;
drawrect(img, zoom_wx-2, zoom_wy-2, ZSIZE*ZFACTOR+2, ZSIZE*ZFACTOR+2, 192, 192, 192, 255);
drawrect(img, zoom_wx-1, zoom_wy-1, ZSIZE*ZFACTOR, ZSIZE*ZFACTOR, 0, 0, 0, 255);
clearrect(img, zoom_wx, zoom_wy, ZSIZE*ZFACTOR, ZSIZE*ZFACTOR);
for (j=0; j<ZSIZE; j++)
for (i=0; i<ZSIZE; i++)
{
pix = img[(j+zoom_y)*(XRES+BARSIZE)+(i+zoom_x)];
for (y=0; y<ZFACTOR-1; y++)
for (x=0; x<ZFACTOR-1; x++)
img[(j*ZFACTOR+y+zoom_wy)*(XRES+BARSIZE)+(i*ZFACTOR+x+zoom_wx)] = pix;
}
if (zoom_en)
{
for (j=-1; j<=ZSIZE; j++)
{
xor_pixel(zoom_x+j, zoom_y-1, img);
xor_pixel(zoom_x+j, zoom_y+ZSIZE, img);
}
for (j=0; j<ZSIZE; j++)
{
xor_pixel(zoom_x-1, zoom_y+j, img);
xor_pixel(zoom_x+ZSIZE, zoom_y+j, img);
}
}
#endif
}*/
/*int render_thumb(void *thumb, int size, int bzip2, pixel *vid_buf, int px, int py, int scl)
{
unsigned char *d, *c = (unsigned char *)thumb;
int i,j,x,y,a,t,r,g,b,sx,sy;
if (bzip2)
{
if (size<16)
return 1;
if (c[3]!=0x74 || c[2]!=0x49 || c[1]!=0x68 || c[0]!=0x53)
return 1;
if (c[4]>PT_NUM)
return 2;
if (c[5]!=CELL || c[6]!=XRES/CELL || c[7]!=YRES/CELL)
return 3;
i = XRES*YRES;
d = (unsigned char *)malloc(i);
if (!d)
return 1;
if (BZ2_bzBuffToBuffDecompress((char *)d, (unsigned *)&i, (char *)(c+8), size-8, 0, 0))
return 1;
size = i;
}
else
d = c;
if (size < XRES*YRES)
{
if (bzip2)
free(d);
return 1;
}
sy = 0;
for (y=0; y+scl<=YRES; y+=scl)
{
sx = 0;
for (x=0; x+scl<=XRES; x+=scl)
{
a = 0;
r = g = b = 0;
for (j=0; j<scl; j++)
for (i=0; i<scl; i++)
{
t = d[(y+j)*XRES+(x+i)];
if (t==0xFF)
{
r += 256;
g += 256;
b += 256;
a += 2;
}
else if (t)
{
if (t>=PT_NUM)
goto corrupt;
r += PIXR(ptypes[t].pcolors);
g += PIXG(ptypes[t].pcolors);
b += PIXB(ptypes[t].pcolors);
a ++;
}
}
if (a)
{
a = 256/a;
r = (r*a)>>8;
g = (g*a)>>8;
b = (b*a)>>8;
}
drawpixel(vid_buf, px+sx, py+sy, r, g, b, 255);
sx++;
}
sy++;
}
if (bzip2)
free(d);
return 0;
corrupt:
if (bzip2)
free(d);
return 1;
}*/
//draws the cursor
/*void Graphics::render_cursor(pixel *vid, int x, int y, int t, int rx, int ry)
{
#ifdef OGLR
int i;
if (t<PT_NUM||(t&0xFF)==PT_LIFE||t==SPC_AIR||t==SPC_HEAT||t==SPC_COOL||t==SPC_VACUUM||t==SPC_WIND||t==SPC_PGRV||t==SPC_NGRV)
{
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(GL_XOR);
glBegin(GL_LINE_LOOP);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
y *= sdl_scale;
x *= sdl_scale;
ry *= sdl_scale;
rx *= sdl_scale;
if (CURRENT_BRUSH==SQUARE_BRUSH)
{
glVertex2f(x-rx+1, (y)-ry+1);
glVertex2f(x+rx+1, (y)-ry+1);
glVertex2f(x+rx+1, (y)+ry+1);
glVertex2f(x-rx+1, (y)+ry+1);
glVertex2f(x-rx+1, (y)-ry+1);
}
else if (CURRENT_BRUSH==CIRCLE_BRUSH)
{
for (i = 0; i < 360; i++)
{
float degInRad = i*(M_PI/180.0f);
glVertex2f((cos(degInRad)*rx)+x, (sin(degInRad)*ry)+y);
}
}
else if (CURRENT_BRUSH==TRI_BRUSH)
{
glVertex2f(x+1, (y)+ry+1);
glVertex2f(x+rx+1, (y)-ry+1);
glVertex2f(x-rx+1, (y)-ry+1);
glVertex2f(x+1, (y)+ry+1);
}
glEnd();
glDisable(GL_COLOR_LOGIC_OP);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
#else
int i,j,c;
if (t<PT_NUM||(t&0xFF)==PT_LIFE||t==SPC_AIR||t==SPC_HEAT||t==SPC_COOL||t==SPC_VACUUM||t==SPC_WIND||t==SPC_PGRV||t==SPC_NGRV)
{
if (rx<=0)
xor_pixel(x, y, vid);
else if (ry<=0)
xor_pixel(x, y, vid);
if (rx+ry<=0)
xor_pixel(x, y, vid);
else if (CURRENT_BRUSH==SQUARE_BRUSH)
{
for (j=0; j<=ry; j++)
for (i=0; i<=rx; i++)
if (i*j<=ry*rx && ((i+1)>rx || (j+1)>ry))
{
xor_pixel(x+i, y+j, vid);
xor_pixel(x-i, y-j, vid);
if (i&&j)xor_pixel(x+i, y-j, vid);
if (i&&j)xor_pixel(x-i, y+j, vid);
}
}
else if (CURRENT_BRUSH==CIRCLE_BRUSH)
{
for (j=0; j<=ry; j++)
for (i=0; i<=rx; i++)
if (pow(i,2)*pow(ry,2)+pow(j,2)*pow(rx,2)<=pow(rx,2)*pow(ry,2) &&
(pow(i+1,2)*pow(ry,2)+pow(j,2)*pow(rx,2)>pow(rx,2)*pow(ry,2) ||
pow(i,2)*pow(ry,2)+pow(j+1,2)*pow(rx,2)>pow(rx,2)*pow(ry,2)))
{
xor_pixel(x+i, y+j, vid);
if (j) xor_pixel(x+i, y-j, vid);
if (i) xor_pixel(x-i, y+j, vid);
if (i&&j) xor_pixel(x-i, y-j, vid);
}
}
else if (CURRENT_BRUSH==TRI_BRUSH)
{
for (j=-ry; j<=ry; j++)
for (i=-rx; i<=0; i++)
if ((j <= ry ) && ( j >= (((-2.0*ry)/(rx))*i)-ry ) && (j+1>ry || ( j-1 < (((-2.0*ry)/(rx))*i)-ry )) )
{
xor_pixel(x+i, y+j, vid);
if (i) xor_pixel(x-i, y+j, vid);
}
}
}
else //wall cursor
{
int tc;
c = (rx/CELL) * CELL;
x = (x/CELL) * CELL;
y = (y/CELL) * CELL;
tc = !((c%(CELL*2))==0);
x -= c/2;
y -= c/2;
x += tc*(CELL/2);
y += tc*(CELL/2);
for (i=0; i<CELL+c; i++)
{
xor_pixel(x+i, y, vid);
xor_pixel(x+i, y+CELL+c-1, vid);
}
for (i=1; i<CELL+c-1; i++)
{
xor_pixel(x, y+i, vid);
xor_pixel(x+CELL+c-1, y+i, vid);
}
}
#endif
}*/
/*int sdl_opened = 0;
int sdl_open(void)
{
int status;
if (SDL_Init(SDL_INIT_VIDEO)<0)
{
fprintf(stderr, "Initializing SDL: %s\n", SDL_GetError());
return 0;
}
atexit(SDL_Quit);
#if defined(OGLR)
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,32,SDL_OPENGL);
SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
if(sdl_opened)
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, (XRES+BARSIZE)*sdl_scale, 0, (YRES+MENUSIZE)*sdl_scale, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
else
{
#ifdef WIN32
status = glewInit();
if(status != GLEW_OK)
{
fprintf(stderr, "Initializing Glew: %d\n", status);
return 0;
}
#endif
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, (XRES+BARSIZE)*sdl_scale, 0, (YRES+MENUSIZE)*sdl_scale, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRasterPos2i(0, (YRES+MENUSIZE));
glPixelZoom(1, -1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//FBO Texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &partsFboTex);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, XRES, YRES, 0, GL_RGBA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//FBO
glGenFramebuffers(1, &partsFbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glEnable(GL_BLEND);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, partsFboTex, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); // Reset framebuffer binding
glDisable(GL_TEXTURE_2D);
//Texture for main UI
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &vidBuf);
glBindTexture(GL_TEXTURE_2D, vidBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES+BARSIZE, YRES+MENUSIZE, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Texture for air to be drawn
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &airBuf);
glBindTexture(GL_TEXTURE_2D, airBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Zoom texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &zoomTex);
glBindTexture(GL_TEXTURE_2D, zoomTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Texture for velocity maps for gravity
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &partsTFX);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &partsTFY);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Texture for velocity maps for air
//TODO: Combine all air maps into 3D array or structs
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &airVX);
glBindTexture(GL_TEXTURE_2D, airVX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &airVY);
glBindTexture(GL_TEXTURE_2D, airVY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &airPV);
glBindTexture(GL_TEXTURE_2D, airPV);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Fire alpha texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &fireAlpha);
glBindTexture(GL_TEXTURE_2D, fireAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, CELL*3, CELL*3, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Glow alpha texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &glowAlpha);
glBindTexture(GL_TEXTURE_2D, glowAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 11, 11, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Blur Alpha texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &blurAlpha);
glBindTexture(GL_TEXTURE_2D, blurAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 7, 7, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
loadShaders();
}
#else
#ifdef PIX16
if (kiosk_enable)
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,16,SDL_FULLSCREEN|SDL_SWSURFACE);
else
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,16,SDL_SWSURFACE);
#else
if (kiosk_enable)
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,32,SDL_FULLSCREEN|SDL_SWSURFACE);
else
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,32,SDL_SWSURFACE);
#endif
#endif
if (!sdl_scrn)
{
fprintf(stderr, "Creating window: %s\n", SDL_GetError());
return 0;
}
SDL_WM_SetCaption("The Powder Toy", "Powder Toy");
sdl_seticon();
SDL_EnableUNICODE(1);
//SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
#if (defined(LIN32) || defined(LIN64)) && defined(SDL_VIDEO_DRIVER_X11)
SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
SDL_VERSION(&sdl_wminfo.version);
SDL_GetWMInfo(&sdl_wminfo);
sdl_wminfo.info.x11.lock_func();
XA_CLIPBOARD = XInternAtom(sdl_wminfo.info.x11.display, "CLIPBOARD", 1);
XA_TARGETS = XInternAtom(sdl_wminfo.info.x11.display, "TARGETS", 1);
sdl_wminfo.info.x11.unlock_func();
#endif
sdl_opened = 1;
return 1;
}
#ifdef OGLR
void checkShader(GLuint shader, char * shname)
{
GLuint status;
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE)
{
char errorBuf[ GL_INFO_LOG_LENGTH];
int errLen;
glGetShaderInfoLog(shader, GL_INFO_LOG_LENGTH, &errLen, errorBuf);
fprintf(stderr, "Failed to compile %s shader:\n%s\n", shname, errorBuf);
exit(1);
}
}
void checkProgram(GLuint program, char * progname)
{
GLuint status;
glGetProgramiv(program, GL_LINK_STATUS, &status);
if (status == GL_FALSE)
{
char errorBuf[ GL_INFO_LOG_LENGTH];
int errLen;
glGetShaderInfoLog(program, GL_INFO_LOG_LENGTH, &errLen, errorBuf);
fprintf(stderr, "Failed to link %s program:\n%s\n", progname, errorBuf);
exit(1);
}
}
void loadShaders()
{
GLuint vertexShader, fragmentShader;
//Particle texture
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource( vertexShader, 1, &fireVertex, NULL);
glShaderSource( fragmentShader, 1, &fireFragment, NULL);
glCompileShader( vertexShader );
checkShader(vertexShader, "FV");
glCompileShader( fragmentShader );
checkShader(fragmentShader, "FF");
fireProg = glCreateProgram();
glAttachShader( fireProg, vertexShader );
glAttachShader( fireProg, fragmentShader );
glLinkProgram( fireProg );
checkProgram(fireProg, "F");
//Lensing
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource( vertexShader, 1, &lensVertex, NULL);
glShaderSource( fragmentShader, 1, &lensFragment, NULL);
glCompileShader( vertexShader );
checkShader(vertexShader, "LV");
glCompileShader( fragmentShader );
checkShader(fragmentShader, "LF");
lensProg = glCreateProgram();
glAttachShader( lensProg, vertexShader );
glAttachShader( lensProg, fragmentShader );
glLinkProgram( lensProg );
checkProgram(lensProg, "L");
//Air Velocity
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource( vertexShader, 1, &airVVertex, NULL);
glShaderSource( fragmentShader, 1, &airVFragment, NULL);
glCompileShader( vertexShader );
checkShader(vertexShader, "AVX");
glCompileShader( fragmentShader );
checkShader(fragmentShader, "AVF");
airProg_Velocity = glCreateProgram();
glAttachShader( airProg_Velocity, vertexShader );
glAttachShader( airProg_Velocity, fragmentShader );
glLinkProgram( airProg_Velocity );
checkProgram(airProg_Velocity, "AV");
//Air Pressure
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource( vertexShader, 1, &airPVertex, NULL);
glShaderSource( fragmentShader, 1, &airPFragment, NULL);
glCompileShader( vertexShader );
checkShader(vertexShader, "APV");
glCompileShader( fragmentShader );
checkShader(fragmentShader, "APF");
airProg_Pressure = glCreateProgram();
glAttachShader( airProg_Pressure, vertexShader );
glAttachShader( airProg_Pressure, fragmentShader );
glLinkProgram( airProg_Pressure );
checkProgram(airProg_Pressure, "AP");
//Air cracker
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource( vertexShader, 1, &airCVertex, NULL);
glShaderSource( fragmentShader, 1, &airCFragment, NULL);
glCompileShader( vertexShader );
checkShader(vertexShader, "ACV");
glCompileShader( fragmentShader );
checkShader(fragmentShader, "ACF");
airProg_Cracker = glCreateProgram();
glAttachShader( airProg_Cracker, vertexShader );
glAttachShader( airProg_Cracker, fragmentShader );
glLinkProgram( airProg_Cracker );
checkProgram(airProg_Cracker, "AC");
}
#endif
int draw_debug_info(pixel* vid, Simulation * sim, int lm, int lx, int ly, int cx, int cy, int line_x, int line_y)
{
Particle * parts = sim->parts;
char infobuf[256];
if(debug_flags & DEBUG_PERFORMANCE_FRAME || debug_flags & DEBUG_PERFORMANCE_CALC)
{
int t1, t2, x = 0, i = debug_perf_istart;
float partiavg = 0, frameavg = 0;
while(i != debug_perf_iend)
{
partiavg += abs(debug_perf_partitime[i]/100000);
frameavg += abs(debug_perf_frametime[i]/100000);
if(debug_flags & DEBUG_PERFORMANCE_CALC)
t1 = abs(debug_perf_partitime[i]/100000);
else
t1 = 0;
if(debug_flags & DEBUG_PERFORMANCE_FRAME)
t2 = abs(debug_perf_frametime[i]/100000);
else
t2 = 0;
if(t1 > YRES)
t1 = YRES;
if(t1+t2 > YRES)
t2 = YRES-t1;
if(t1>0)
draw_line(vid, x, YRES, x, YRES-t1, 0, 255, 120, XRES+BARSIZE);
if(t2>0)
draw_line(vid, x, YRES-t1, x, YRES-(t1+t2), 255, 120, 0, XRES+BARSIZE);
i++;
x++;
i %= DEBUG_PERF_FRAMECOUNT;
}
if(debug_flags & DEBUG_PERFORMANCE_CALC)
t1 = abs(partiavg / x);
else
t1 = 0;
if(debug_flags & DEBUG_PERFORMANCE_FRAME)
t2 = abs(frameavg / x);
else
t2 = 0;
if(t1 > YRES)
t1 = YRES;
if(t1+t2 > YRES)
t2 = YRES-t1;
if(t1>0)
fillrect(vid, x, YRES-t1-1, 5, t1+2, 0, 255, 0, 255);
if(t2>0)
fillrect(vid, x, (YRES-t1)-t2-1, 5, t2+1, 255, 0, 0, 255);
}
if(debug_flags & DEBUG_DRAWTOOL)
{
if(lm == 1) //Line tool
{
blend_line(vid, 0, line_y, XRES, line_y, 255, 255, 255, 120);
blend_line(vid, line_x, 0, line_x, YRES, 255, 255, 255, 120);
blend_line(vid, 0, ly, XRES, ly, 255, 255, 255, 120);
blend_line(vid, lx, 0, lx, YRES, 255, 255, 255, 120);
sprintf(infobuf, "%d x %d", lx, ly);
drawtext_outline(vid, lx+(lx>line_x?3:-textwidth(infobuf)-3), ly+(ly<line_y?-10:3), infobuf, 255, 255, 255, 200, 0, 0, 0, 120);
sprintf(infobuf, "%d x %d", line_x, line_y);
drawtext_outline(vid, line_x+(lx<line_x?3:-textwidth(infobuf)-2), line_y+(ly>line_y?-10:3), infobuf, 255, 255, 255, 200, 0, 0, 0, 120);
sprintf(infobuf, "%d", abs(line_x-lx));
drawtext_outline(vid, (line_x+lx)/2-textwidth(infobuf)/2, line_y+(ly>line_y?-10:3), infobuf, 255, 255, 255, 200, 0, 0, 0, 120);
sprintf(infobuf, "%d", abs(line_y-ly));
drawtext_outline(vid, line_x+(lx<line_x?3:-textwidth(infobuf)-2), (line_y+ly)/2-3, infobuf, 255, 255, 255, 200, 0, 0, 0, 120);
}
}
if(debug_flags & DEBUG_PARTS)
{
int i = 0, x = 0, y = 0, lpx = 0, lpy = 0;
sprintf(infobuf, "%d/%d (%.2f%%)", sim->parts_lastActiveIndex, NPART, (((float)sim->parts_lastActiveIndex)/((float)NPART))*100.0f);
for(i = 0; i < NPART; i++){
if(parts[i].type){
drawpixel(vid, x, y, 255, 255, 255, 180);
} else {
drawpixel(vid, x, y, 0, 0, 0, 180);
}
if(i == sim->parts_lastActiveIndex)
{
lpx = x;
lpy = y;
}
x++;
if(x>=XRES){
y++;
x = 0;
}
}
draw_line(vid, 0, lpy, XRES, lpy, 0, 255, 120, XRES+BARSIZE);
draw_line(vid, lpx, 0, lpx, YRES, 0, 255, 120, XRES+BARSIZE);
drawpixel(vid, lpx, lpy, 255, 50, 50, 220);
drawpixel(vid, lpx+1, lpy, 255, 50, 50, 120);
drawpixel(vid, lpx-1, lpy, 255, 50, 50, 120);
drawpixel(vid, lpx, lpy+1, 255, 50, 50, 120);
drawpixel(vid, lpx, lpy-1, 255, 50, 50, 120);
fillrect(vid, 7, YRES-26, textwidth(infobuf)+5, 14, 0, 0, 0, 180);
drawtext(vid, 10, YRES-22, infobuf, 255, 255, 255, 255);
}
}*/
void Graphics::Clear()
{
memset(vid, 0, PIXELSIZE * ((XRES+BARSIZE) * (YRES+MENUSIZE)));
}
void Graphics::AttachSDLSurface(SDL_Surface * surface)
{
sdl_scrn = surface;
}
void Graphics::Blit()
{
pixel * dst;
pixel * src = vid;
int j, x = 0, y = 0, w = XRES+BARSIZE, h = YRES+MENUSIZE, pitch = XRES+BARSIZE;
if (SDL_MUSTLOCK(sdl_scrn))
if (SDL_LockSurface(sdl_scrn)<0)
return;
dst=(pixel *)sdl_scrn->pixels+y*sdl_scrn->pitch/PIXELSIZE+x;
for (j=0; j<h; j++)
{
memcpy(dst, src, w*PIXELSIZE);
dst+=sdl_scrn->pitch/PIXELSIZE;
src+=pitch;
}
if (SDL_MUSTLOCK(sdl_scrn))
SDL_UnlockSurface(sdl_scrn);
SDL_UpdateRect(sdl_scrn,0,0,0,0);
}
Graphics::Graphics()
{
vid = (pixel *)malloc(PIXELSIZE * ((XRES+BARSIZE) * (YRES+MENUSIZE)));
}
Graphics::~Graphics()
{
free(vid);
}