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- parseMakePalookup

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This commit is contained in:
Christoph Oelckers 2021-04-13 20:46:33 +02:00
parent 6fb09f36c7
commit 276fd19462
2 changed files with 75 additions and 106 deletions
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108
source/build/src/defs.cpp
View file

@ -1032,112 +1032,8 @@ static int32_t defsparser(scriptfile *script)
parseTint(*script, pos);
break;
case T_MAKEPALOOKUP:
{
int32_t red=0, green=0, blue=0, pal=-1;
int32_t havepal=0, remappal=0;
int32_t nofloorpal=-1;
FScanner::SavedPos endtextptr;
static const tokenlist palookuptokens[] =
{
{ "pal", T_PAL },
{ "red", T_RED }, { "r", T_RED },
{ "green", T_GREEN }, { "g", T_GREEN },
{ "blue", T_BLUE }, { "b", T_BLUE },
{ "remappal", T_REMAPPAL },
{ "remapself", T_REMAPSELF },
{ "nofloorpal", T_NOFLOORPAL },
};
enum {
HAVE_PAL = 1,
HAVE_REMAPPAL = 2,
HAVE_REMAPSELF = 4,
HAVEPAL_SPECIAL = HAVE_REMAPPAL | HAVE_REMAPSELF,
HAVEPAL_ERROR = 8,
};
if (scriptfile_getbraces(script,&endtextptr)) break;
while (!scriptfile_endofblock(script, endtextptr))
{
switch (getatoken(script, palookuptokens, countof(palookuptokens)))
{
case T_PAL:
scriptfile_getsymbol(script, &pal);
havepal |= HAVE_PAL;
break;
case T_RED:
scriptfile_getnumber(script,&red);
red = clamp(red, 0, 63);
break;
case T_GREEN:
scriptfile_getnumber(script,&green);
green = clamp(green, 0, 63);
break;
case T_BLUE:
scriptfile_getnumber(script,&blue);
blue = clamp(blue, 0, 63);
break;
case T_REMAPPAL:
scriptfile_getsymbol(script,&remappal);
if (havepal & HAVEPAL_SPECIAL)
havepal |= HAVEPAL_ERROR;
havepal |= HAVE_REMAPPAL;
break;
case T_REMAPSELF:
if (havepal & HAVEPAL_SPECIAL)
havepal |= HAVEPAL_ERROR;
havepal |= HAVE_REMAPSELF;
break;
case T_NOFLOORPAL:
scriptfile_getsymbol(script, &nofloorpal);
nofloorpal = clamp(nofloorpal, 0, 1);
break;
}
}
{
char msgend[BMAX_PATH+64];
sprintf(msgend, "for palookup definition");
if ((havepal & HAVE_PAL)==0)
{
pos.Message(MSG_ERROR, "missing 'palette number' %s\n", msgend);
break;
}
else if (pal==0 || (unsigned)pal >= MAXPALOOKUPS-RESERVEDPALS)
{
pos.Message(MSG_ERROR, "'palette number' out of range (1 .. %d) %s\n",
MAXPALOOKUPS-RESERVEDPALS-1, msgend);
break;
}
if (havepal & HAVEPAL_ERROR)
{
// will also disallow multiple remappals or remapselfs
pos.Message(MSG_ERROR, "must have exactly one of either 'remappal' or 'remapself' %s\n", msgend);
break;
}
else if ((havepal & HAVE_REMAPPAL
&& (unsigned)remappal >= MAXPALOOKUPS-RESERVEDPALS))
{
pos.Message(MSG_ERROR, "'remap palette number' out of range (max=%d) %s\n",
MAXPALOOKUPS-RESERVEDPALS-1, msgend);
break;
}
if (havepal & HAVE_REMAPSELF)
remappal = pal;
}
// NOTE: all palookups are initialized, i.e. non-NULL!
// NOTE2: aliasing (pal==remappal) is OK
lookups.makeTable(pal, lookups.getTable(remappal), red<<2, green<<2, blue<<2,
remappal==0 ? 1 : (nofloorpal == -1 ? lookups.tables[remappal].noFloorPal : nofloorpal));
}
break;
parseMakePalookup(*script, pos);
break;
case T_TEXTURE:
parseTexture(*script, pos);
break;

73
source/core/parsefuncs.h
View file

@ -1263,3 +1263,76 @@ void parsePalookup(FScanner& sc, FScriptPosition& pos)
paletteloaded |= PALETTE_SHADE;
}
}
//===========================================================================
//
//
//
//===========================================================================
void parseMakePalookup(FScanner& sc, FScriptPosition& pos)
{
FScanner::SavedPos blockend;
int red = 0, green = 0, blue = 0, pal = -1;
int havepal = 0, remappal = 0;
int nofloorpal = -1;
if (sc.StartBraces(&blockend)) return;
enum {
HAVE_PAL = 1,
HAVE_REMAPPAL = 2,
HAVE_REMAPSELF = 4,
HAVEPAL_SPECIAL = HAVE_REMAPPAL | HAVE_REMAPSELF,
HAVEPAL_ERROR = 8,
};
while (!sc.FoundEndBrace(blockend))
{
sc.MustGetString();
if (sc.Compare({ "r", "red" })) sc.GetNumber(red);
else if (sc.Compare({ "g", "green" })) sc.GetNumber(green);
else if (sc.Compare({ "b", "blue" })) sc.GetNumber(blue);
else if (sc.Compare("remappal"))
{
sc.GetNumber(remappal, true);
if (havepal & HAVEPAL_SPECIAL) havepal |= HAVEPAL_ERROR;
havepal |= HAVE_REMAPPAL;
}
else if (sc.Compare("remapself"))
{
if (havepal & HAVEPAL_SPECIAL) havepal |= HAVEPAL_ERROR;
havepal |= HAVE_REMAPSELF;
}
else if (sc.Compare("nofloorpal")) sc.GetNumber(nofloorpal, true);
else if (sc.Compare("pal")) sc.GetNumber(pal, true);
}
red = clamp(red, 0, 63);
green = clamp(green, 0, 63);
blue = clamp(blue, 0, 63);
if ((havepal & HAVE_PAL) == 0)
{
pos.Message(MSG_ERROR, "makepalookup: missing 'palette number'");
}
else if (pal == 0 || (unsigned)pal >= MAXPALOOKUPS - RESERVEDPALS)
{
pos.Message(MSG_ERROR, "makepalookup: 'palette number' %d out of range (1 .. %d)\n", pal, MAXPALOOKUPS - RESERVEDPALS - 1);
}
else if (havepal & HAVEPAL_ERROR)
{
// will also disallow multiple remappals or remapselfs
pos.Message(MSG_ERROR, "makepalookup: must have exactly one of either 'remappal' or 'remapself'\n");
}
else if ((havepal & HAVE_REMAPPAL && (unsigned)remappal >= MAXPALOOKUPS - RESERVEDPALS))
{
pos.Message(MSG_ERROR, "makepalookup: 'remap palette number' %d out of range (max=%d)\n", pal, MAXPALOOKUPS - RESERVEDPALS - 1);
}
else
{
if (havepal & HAVE_REMAPSELF) remappal = pal;
lookups.makeTable(pal, lookups.getTable(remappal), red << 2, green << 2, blue << 2,
remappal == 0 ? 1 : (nofloorpal == -1 ? lookups.tables[remappal].noFloorPal : nofloorpal));
}
}