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51 lines
1.3 KiB
51 lines
1.3 KiB
#include "DiabloUI/art_draw.h" |
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#include "display.h" |
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namespace dvl { |
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extern SDL_Surface *pal_surface; |
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extern unsigned int pal_surface_palette_version; |
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void DrawArt(Sint16 screenX, Sint16 screenY, Art *art, int nFrame, Uint16 srcW, Uint16 srcH) |
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{ |
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if (screenY >= gnScreenHeight || screenX >= gnScreenWidth || art->surface == NULL) |
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return; |
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SDL_Rect src_rect; |
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src_rect.x = 0; |
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src_rect.y = nFrame * art->h(); |
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src_rect.w = art->w(); |
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src_rect.h = art->h(); |
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ScaleOutputRect(&src_rect); |
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if (srcW && srcW < src_rect.w) |
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src_rect.w = srcW; |
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if (srcH && srcH < src_rect.h) |
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src_rect.h = srcH; |
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SDL_Rect dst_rect = { screenX, screenY, src_rect.w, src_rect.h }; |
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ScaleOutputRect(&dst_rect); |
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if (art->surface->format->BitsPerPixel == 8 && art->palette_version != pal_surface_palette_version) { |
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if (SDLC_SetSurfaceColors(art->surface, pal_surface->format->palette) <= -1) |
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ErrSdl(); |
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art->palette_version = pal_surface_palette_version; |
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} |
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if (SDL_BlitSurface(art->surface, &src_rect, GetOutputSurface(), &dst_rect) < 0) |
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ErrSdl(); |
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} |
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void DrawAnimatedArt(Art *art, int screenX, int screenY) |
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{ |
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DrawArt(screenX, screenY, art, GetAnimationFrame(art->frames)); |
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} |
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int GetAnimationFrame(int frames, int fps) |
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{ |
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int frame = (SDL_GetTicks() / fps) % frames; |
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return frame > frames ? 0 : frame; |
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} |
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} // namespace dvl
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