Changed to Assert

src/video/font.cpp

@@ -365,7 +365,7 @@ local int DoDrawText(int x, int y, unsigned font, const unsigned char* text,
 			}
 		}
 
-		DebugCheck(*text < 32);
+		Assert(*text >= 32);
 
 		if (*text - 32 >= 0 && height * (*text - 32) < fp->Graphic->Height) {
 			w = fp->CharWidth[*text - 32];

src/video/linedraw.cpp

@@ -1402,8 +1402,8 @@ global void VideoDrawLineClip(Uint32 color, int x1, int y1, int x2, int y2)
 	//        direction vector might be slightly off. Somehow, the sub-pixel
 	//        position(s) on the clipped retangle should be denoted to the line
 	//        drawing routine..
-	DebugCheck(x1 < ClipX1 || x2 < ClipX1 || x1 > ClipX2 || x2 > ClipX2 ||
-		y1 < ClipY1 || y2 < ClipY1 || y1 > ClipY2 || y2 > ClipY2);
+	Assert(x1 >= ClipX1 && x2 >= ClipX1 && x1 <= ClipX2 && x2 <= ClipX2 &&
+		y1 >= ClipY1 && y2 >= ClipY1 && y1 <= ClipY2 && y2 <= ClipY2);
 	VideoDrawLine(color, x1, y1, x2, y2);
 }
 
@@ -1604,13 +1604,13 @@ global void VideoDrawCircleClip(Uint32 color, int x, int y, int r)
 			VideoDrawPixelClip(color, x + cy, y);
 			VideoDrawPixelClip(color, x - cy, y);
 		} else if (cx == cy) {
-			DebugCheck(cx == 0 || cy == 0);
+			Assert(cx != 0 && cy != 0);
 			VideoDrawPixelClip(color, x + cx, y + cy);
 			VideoDrawPixelClip(color, x - cx, y + cy);
 			VideoDrawPixelClip(color, x + cx, y - cy);
 			VideoDrawPixelClip(color, x - cx, y - cy);
 		} else if (cx < cy) {
-			DebugCheck(cx == 0 || cy == 0);
+			Assert(cx != 0 && cy != 0);
 			VideoDrawPixelClip(color, x + cx, y + cy);
 			VideoDrawPixelClip(color, x + cx, y - cy);
 			VideoDrawPixelClip(color, x + cy, y + cx);

src/video/sdl.cpp

@@ -271,8 +271,8 @@ global void InitVideoSdl(void)
 global void InvalidateArea(int x, int y, int w, int h)
 {
 #ifndef USE_OPENGL
-	DebugCheck(NumRects == sizeof(Rects) / sizeof(*Rects));
-	DebugCheck(x < 0 || y < 0 || x + w > VideoWidth || y + h > VideoHeight);
+	Assert(NumRects != sizeof(Rects) / sizeof(*Rects));
+	Assert(x >= 0 && y >= 0 && x + w <= VideoWidth && y + h <= VideoHeight);
 	Rects[NumRects].x = x;
 	Rects[NumRects].y = y;
 	Rects[NumRects].w = w;

src/video/sprite.cpp

@@ -425,7 +425,7 @@ global Graphic* LoadSprite(const char* name, int width, int height)
 		height = g->Height;
 	}
 
-	DebugCheck(width > g->Width || height > g->Height);
+	Assert(width <= g->Width && height <= g->Height);
 
 	if ((g->Width / width) * width != g->Width ||
 			(g->Height / height) * height != g->Height) {

src/video/video.cpp

@@ -256,7 +256,7 @@ global void SetClipping(int left, int top, int right, int bottom)
 			right >= VideoWidth || bottom < 0 || bottom >= VideoHeight) {
 		DebugLevel0Fn("Wrong clipping %d->%d %d->%d, write cleaner code.\n" _C_
 			left _C_ right _C_ top _C_ bottom);
-//		DebugCheck(1);
+//		Assert(0);
 	}
 #endif
 	ClipRectToRect(&left, &top, &right, &bottom, 0, 0, VideoWidth, VideoHeight);
@@ -362,7 +362,7 @@ global void VideoPaletteListRemove(SDL_Surface* surface)
 		}
 		curlink = &((*curlink)->Next);
 	}
-	DebugCheck(!*curlink);
+	Assert(*curlink);
 	if (*curlink == PaletteList) {
 		tmp = PaletteList->Next;
 		free(PaletteList);