The-Powder-Toy/graphics.c
2010-08-25 12:22:41 +01:00

1098 lines
28 KiB
C

#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);
}
}