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- Fixed: LIGHT2SHADE would overflow with light values larger than 10 bits.
SVN r3339 (trunk)
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2 changed files with 8 additions and 8 deletions
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@ -74,7 +74,7 @@ extern bool r_dontmaplines;
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// Convert a light level into an unbounded colormap index (shade). Result is
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// fixed point. Why the +12? I wish I knew, but experimentation indicates it
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// is necessary in order to best reproduce Doom's original lighting.
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#define LIGHT2SHADE(l) ((NUMCOLORMAPS*2*FRACUNIT)-(((l)+12)*FRACUNIT*NUMCOLORMAPS/128))
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#define LIGHT2SHADE(l) ((NUMCOLORMAPS*2*FRACUNIT)-(((l)+12)*(FRACUNIT*NUMCOLORMAPS/128)))
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// MAXLIGHTSCALE from original DOOM, divided by 2.
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#define MAXLIGHTVIS (24*FRACUNIT)
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