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Check coordinates of signs before using them to read pmap or pressure

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jacksonmj 2012-01-20 06:32:28 +08:00 committed by Simon Robertshaw
parent ff6aa0227d
commit 8a11b6b31d
1 changed files with 7 additions and 4 deletions
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11
src/graphics.c
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@ -3056,15 +3056,18 @@ void render_signs(pixel *vid_buf)
//Displaying special information //Displaying special information
if (strcmp(signs[i].text, "{p}")==0) if (strcmp(signs[i].text, "{p}")==0)
{ {
sprintf(buff, "Pressure: %3.2f", pv[signs[i].y/CELL][signs[i].x/CELL]); //...pressure float pressure = 0.0f;
if (signs[i].x>=0 && signs[i].x<XRES && signs[i].y>=0 && signs[i].y<YRES)
pressure = pv[signs[i].y/CELL][signs[i].x/CELL];
sprintf(buff, "Pressure: %3.2f", pressure); //...pressure
drawtext(vid_buf, x+3, y+3, buff, 255, 255, 255, 255); drawtext(vid_buf, x+3, y+3, buff, 255, 255, 255, 255);
} }
if (strcmp(signs[i].text, "{t}")==0) if (strcmp(signs[i].text, "{t}")==0)
{ {
if (pmap[signs[i].y][signs[i].x]) if (signs[i].x>=0 && signs[i].x<XRES && signs[i].y>=0 && signs[i].y<YRES && pmap[signs[i].y][signs[i].x])
sprintf(buff, "Temp: %4.2f", parts[pmap[signs[i].y][signs[i].x]>>8].temp-273.15); //...tempirature sprintf(buff, "Temp: %4.2f", parts[pmap[signs[i].y][signs[i].x]>>8].temp-273.15); //...temperature
else else
sprintf(buff, "Temp: 0.00"); //...tempirature sprintf(buff, "Temp: 0.00"); //...temperature
drawtext(vid_buf, x+3, y+3, buff, 255, 255, 255, 255); drawtext(vid_buf, x+3, y+3, buff, 255, 255, 255, 255);
} }