diff options
Diffstat (limited to 'graphics.c')
| -rw-r--r-- | graphics.c | 1098 |
1 files changed, 1098 insertions, 0 deletions
diff --git a/graphics.c b/graphics.c new file mode 100644 index 0000000..4282e5c --- /dev/null +++ b/graphics.c @@ -0,0 +1,1098 @@ +#include "defines.h" +#include "air.h" +#include "powder.h" +#include "graphics.h" +#include "font.h" +#include <SDL/SDL.h> + +pixel *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 = 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; +} + +void sdl_blit_1(int x, int y, int w, int h, pixel *src, int pitch) +{ + pixel *dst; + int j; + 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); +} + +void sdl_blit_2(int x, int y, int w, int h, pixel *src, int pitch) +{ + pixel *dst; + int j; + int i,k; + 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++) + { + for(k=0; k<sdl_scale; k++) + { + for(i=0; i<w; i++) + { + dst[i*2]=src[i]; + dst[i*2+1]=src[i]; + } + dst+=sdl_scrn->pitch/PIXELSIZE; + } + src+=pitch; + } + if(SDL_MUSTLOCK(sdl_scrn)) + SDL_UnlockSurface(sdl_scrn); + SDL_UpdateRect(sdl_scrn,0,0,0,0); +} + +void sdl_blit(int x, int y, int w, int h, pixel *src, int pitch) +{ + if(sdl_scale == 2) + sdl_blit_2(x, y, w, h, src, pitch); + else + sdl_blit_1(x, y, w, h, src, pitch); +} + +void drawblob(pixel *vid, int x, int y, unsigned char cr, unsigned char cg, unsigned char cb) +{ + blendpixel(vid, x+1, y, cr, cg, cb, 112); + blendpixel(vid, x-1, y, cr, cg, cb, 112); + blendpixel(vid, x, y+1, cr, cg, cb, 112); + blendpixel(vid, x, y-1, cr, cg, cb, 112); + + blendpixel(vid, x+1, y-1, cr, cg, cb, 64); + blendpixel(vid, x-1, y-1, cr, cg, cb, 64); + blendpixel(vid, x+1, y+1, cr, cg, cb, 64); + blendpixel(vid, x-1, y+1, cr, cg, cb, 64); +} + +void draw_tool(pixel *vid_buf, int b, int sl, int sr, unsigned pc, unsigned iswall) +{ + int x, y, i, j, c; + int bo = b; + if(iswall==1) + { + b = b-100; + x = (2+32*((b-22)/1)); + y = YRES+2+40; + switch(b) + { + case WL_WALLELEC: + 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 23: + 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 24: + 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; + } + } + break; + case 25: + 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 26: + 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 27: + 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; + } + } + break; + case 28: + 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; + } + } + } + break; + case 29: + 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; + } + } + break; + case 30: + 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 32: + 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; + } + } + break; + case 33: + 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; + } + } + break; + case 34: + 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; + } + } + } + break; + case 36: + 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; + } + drawtext(vid_buf, x+14-textwidth("AIR")/2, y+4, "AIR", c, c, c, 255); + break; + case 37: + 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; + } + drawtext(vid_buf, x+14-textwidth("HEAT")/2, y+4, "HEAT", c, c, c, 255); + break; + case 38: + 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; + } + drawtext(vid_buf, x+14-textwidth("COOL")/2, y+4, "COOL", c, c, c, 255); + break; + case 39: + 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; + } + drawtext(vid_buf, x+14-textwidth("VAC")/2, y+4, "VAC", 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==30) + { + 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); + } + if(bo==sl || bo==sr) + { + c = 0; + if(bo==sl) + c |= PIXPACK(0xFF0000); + if(bo==sr) + c |= PIXPACK(0x0000FF); + for(i=0; i<30; i++) + { + vid_buf[(XRES+BARSIZE)*(y-1)+(x+i-1)] = c; + vid_buf[(XRES+BARSIZE)*(y+16)+(x+i-1)] = c; + } + for(j=0; j<18; j++) + { + vid_buf[(XRES+BARSIZE)*(y+j-1)+(x-1)] = c; + vid_buf[(XRES+BARSIZE)*(y+j-1)+(x+28)] = c; + } + } +} + +int draw_tool_xy(pixel *vid_buf, int x, int y, int b, unsigned pc) +{ + int i, j, c; + if(b>=121) + { + b = b-100; + //x = (2+32*((b-22)/1)); + //y = YRES+2+40; + switch(b) + { + case WL_WALLELEC: + 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 23: + 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 24: + 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; + } + } + break; + case 25: + 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 26: + 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 27: + 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; + } + } + break; + case 28: + 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; + } + } + } + break; + case 29: + 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; + } + } + break; + case 30: + 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 32: + 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; + } + } + break; + case 33: + 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; + } + } + break; + case 34: + 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; + } + } + } + break; + case 36: + 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; + } + drawtext(vid_buf, x+14-textwidth("AIR")/2, y+4, "AIR", c, c, c, 255); + break; + case 37: + 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; + } + drawtext(vid_buf, x+14-textwidth("HEAT")/2, y+4, "HEAT", c, c, c, 255); + break; + case 38: + 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; + } + drawtext(vid_buf, x+14-textwidth("COOL")/2, y+4, "COOL", c, c, c, 255); + break; + case 39: + 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; + } + drawtext(vid_buf, x+14-textwidth("VAC")/2, y+4, "VAC", c, c, c, 255); + break; + case 40: + 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; + } + } + 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==30) + { + 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) +{ + + //drawtext(vid_buf, XRES+1, /*(12*i)+2*/((YRES/SC_TOTAL)*i)+((YRES/SC_TOTAL)/2), msections[i].icon, 255, 255, 255, 255); +#ifdef MENUV3 + drawrect(vid_buf, XRES-2, (i*16)+YRES+MENUSIZE-16-(SC_TOTAL*16), 14, 14, 255, 255, 255, 255); + if(hover==i) + { + fillrect(vid_buf, XRES-2, (i*16)+YRES+MENUSIZE-16-(SC_TOTAL*16), 14, 14, 255, 255, 255, 255); + drawtext(vid_buf, XRES+1, (i*16)+YRES+MENUSIZE-14-(SC_TOTAL*16), msections[i].icon, 0, 0, 0, 255); + } + else + { + drawtext(vid_buf, XRES+1, (i*16)+YRES+MENUSIZE-14-(SC_TOTAL*16), msections[i].icon, 255, 255, 255, 255); + } +#else + drawtext(vid_buf, XRES+1, (i*16)+YRES+MENUSIZE-14-(SC_TOTAL*16), msections[i].icon, 255, 255, 255, 255); +#endif +} + +#ifdef WIN32 +_inline void drawpixel(pixel *vid, int x, int y, int r, int g, int b, int a) +#else +inline void drawpixel(pixel *vid, int x, int y, int r, int g, int b, int a) +#endif +{ + 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); +} + +#ifdef WIN32 +_inline int drawchar(pixel *vid, int x, int y, int c, int r, int g, int b, int a) +#else +inline int drawchar(pixel *vid, int x, int y, int c, int r, int g, int b, int a) +#endif +{ + 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(vid, x+i, y+j, r, g, b, ((ba&3)*a)/3); + ba >>= 2; + bn -= 2; + } + return x + w; +} + +int drawtext(pixel *vid, int x, int y, 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 'b': + r = g = 0; + b = 255; + break; + } + s++; + } + else + x = drawchar(vid, x, y, *(unsigned char *)s, r, g, b, a); + } + return x; +} + +void drawrect(pixel *vid, 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(vid, x+i, y, r, g, b, a); + drawpixel(vid, x+i, y+h, r, g, b, a); + } + for(i=1; i<h; i++) + { + drawpixel(vid, x, y+i, r, g, b, a); + drawpixel(vid, x+w, y+i, r, g, b, a); + } +} + +void fillrect(pixel *vid, 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(vid, x+i, y+j, r, g, b, a); +} + +void clearrect(pixel *vid, int x, int y, int w, int h) +{ + int i; + for(i=1; i<h; i++) + memset(vid+(x+1+(XRES+BARSIZE)*(y+i)), 0, PIXELSIZE*(w-1)); +} + +void drawdots(pixel *vid, int x, int y, int h, int r, int g, int b, int a) +{ + int i; + for(i=0; i<=h; i+=2) + drawpixel(vid, x, y+i, r, g, b, a); +} + +int textwidth(char *s) +{ + int x = 0; + for(; *s; s++) + x += font_data[font_ptrs[(int)(*(unsigned char *)s)]]; + return x-1; +} + +int drawtextmax(pixel *vid, 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(vid, x, y, *(unsigned char *)s, r, g, b, a); + } + if(*s) + for(i=0; i<3; i++) + x = drawchar(vid, x, y, '.', r, g, b, a); + return x; +} + +int 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; +} + +int 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; +} + +#ifdef WIN32 +_inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a) +#else +inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a) +#endif +{ + pixel t; + if(x<0 || y<0 || x>=XRES || y>=YRES) + 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); +} + +void draw_icon(pixel *vid_buf, int x, int y, char ch, int flag) +{ + char t[2]; + t[0] = ch; + t[1] = 0; + if(flag) + { + fillrect(vid_buf, x-1, y-1, 17, 17, 255, 255, 255, 255); + drawtext(vid_buf, x+3, y+2, t, 0, 0, 0, 255); + } + else + { + drawrect(vid_buf, x, y, 15, 15, 255, 255, 255, 255); + drawtext(vid_buf, x+3, y+2, t, 255, 255, 255, 255); + } +} + +void draw_air(pixel *vid) +{ + int x, y, i, j; + pixel c; + + if(cmode == 2) + return; + + for(y=0; y<YRES/CELL; y++) + for(x=0; x<XRES/CELL; x++) + { + if(cmode) + { + if(pv[y][x] > 0.0f) + c = PIXRGB(clamp_flt(pv[y][x], 0.0f, 8.0f), 0, 0); + else + c = PIXRGB(0, 0, clamp_flt(-pv[y][x], 0.0f, 8.0f)); + } + else + c = PIXRGB(clamp_flt(fabsf(vx[y][x]), 0.0f, 8.0f), + clamp_flt(pv[y][x], 0.0f, 8.0f), + clamp_flt(fabsf(vy[y][x]), 0.0f, 8.0f)); + for(j=0; j<CELL; j++) + for(i=0; i<CELL; i++) + vid[(x*CELL+i) + (y*CELL+j)*(XRES+BARSIZE)] = c; + } +} + +void draw_line(pixel *vid, 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 = sign(x2-x1); + sy = sign(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++) + { + 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); + } +} + +void addpixel(pixel *vid, int x, int y, int r, int g, int b, int a) +{ + pixel t; + if(x<0 || y<0 || x>=XRES || y>=YRES) + 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); +} + +void xor_pixel(int x, int y, pixel *vid) +{ + 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); +} + +void xor_line(int x1, int y1, int x2, int y2, pixel *vid) +{ + 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, vid); + else + xor_pixel(x, y, vid); + e += de; + if(e >= 0.5f) + { + y += sy; + e -= 1.0f; + } + } +} + +void xor_rect(pixel *vid, int x, int y, int w, int h) +{ + int i; + for(i=0; i<w; i+=2) + { + xor_pixel(x+i, y, vid); + xor_pixel(x+i, y+h-1, vid); + } + for(i=2; i<h; i+=2) + { + xor_pixel(x, y+i, vid); + xor_pixel(x+w-1, y+i, vid); + } +}
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