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CON: Add getclosestcol command, which finds the closest palette index given

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getclosestcol <return> <color> <limit>

<color> is encoded the same as PROJ_FLASH_COLOR.

<limit> is the index of the last palette color that should be considered. Use 255 for the whole palette, 254 to exclude the transparent color, 239 to exclude Duke 3D's fullbrights, etc.

git-svn-id: https://svn.eduke32.com/eduke32@6259 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2017-06-24 09:20:54 +00:00
parent ffc7de9911
commit 517517a1bb
3 changed files with 12 additions and 0 deletions
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2
source/duke3d/src/gamedef.cpp
View file

@ -574,6 +574,7 @@ const char *keyw[] =
"divscale", // 400
"scalevar", // 401
"undefinegamefunc", // 402
"getclosestcol", // 403
"<null>"
};
#endif
@ -4078,6 +4079,7 @@ DO_DEFSTATE:
continue;
case CON_CLAMP:
case CON_GETCLOSESTCOL:
C_GetNextVarType(GAMEVAR_READONLY);
C_GetManyVars(2);
continue;

1
source/duke3d/src/gamedef.h
View file

@ -1136,6 +1136,7 @@ enum ScriptKeywords_t
CON_DIVSCALE, // 400
CON_SCALEVAR, // 401
CON_UNDEFINEGAMEFUNC, // 402
CON_GETCLOSESTCOL, // 403
CON_END
};
// KEEPINSYNC with the keyword list in lunatic/con_lang.lua

9
source/duke3d/src/gameexec.cpp
View file

@ -4890,6 +4890,15 @@ finish_qsprintf:
}
continue;
case CON_GETCLOSESTCOL:
insptr++;
{
tw = *insptr++;
int32_t const rgb = Gv_GetVarX(*insptr++);
Gv_SetVarX(tw, getclosestcol_lim(rgb & 0xFF, (rgb >> 8) & 0xFF, (rgb >> 16) & 0xFF, Gv_GetVarX(*insptr++)));
}
continue;
case CON_INV:
if ((aGameVars[*(insptr + 1)].flags & (GAMEVAR_USER_MASK | GAMEVAR_PTR_MASK)) == 0)
aGameVars[*(insptr + 1)].global = -aGameVars[*(insptr + 1)].global;