47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#ifndef ENGINE_BLEND_HH
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#define ENGINE_BLEND_HH
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#include <sauerlib/types.hh>
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#include <sauerlib/stream.hh>
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#include <shared/gl.hh>
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#include <shared/geom.hh>
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extern int worldsize; /* FIXME: remove */
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void optimizeblendmap();
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void resetblendmap();
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void enlargeblendmap();
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void shrinkblendmap(int octant);
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bool usesblendmap(int x1 = 0, int y1 = 0, int x2 = worldsize, int y2 = worldsize);
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void cleanupblendmap();
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int calcblendlayer(int x1, int y1, int x2, int y2);
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void bindblendtexture(const ivec &p);
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void updateblendtextures(int x1 = 0, int y1 = 0, int x2 = worldsize, int y2 = worldsize);
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void renderblendtexture(uchar *dst, int dsize, int dx, int dy, int dw, int dh);
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void clearblendtextures();
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extern int blendpaintmode;
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void stoppaintblendmap();
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void trypaintblendmap();
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void renderblendbrush();
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bool loadblendmap(stream *f, int info);
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void saveblendmap(stream *f);
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uchar shouldsaveblendmap();
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/* currently not used */
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struct BlendMapCache;
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BlendMapCache *newblendmapcache();
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void freeblendmapcache(BlendMapCache *&cache);
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bool setblendmaporigin(BlendMapCache *cache, const ivec &o, int size);
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bool hasblendmap(BlendMapCache *cache);
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uchar lookupblendmap(BlendMapCache *cache, const vec &pos);
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#endif
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