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(svn r7503) -Codechange: [NewGRF] Add bounds checking for spriteset cargo types. (NewCargo support will change this rule a bit...)

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This commit is contained in:
peter1138 2006-12-18 10:46:06 +00:00
parent 37c45e44af
commit f010066c1b
2 changed files with 15 additions and 0 deletions
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10
newgrf.c
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@ -1843,6 +1843,11 @@ static void FeatureMapSpriteGroup(byte *buf, int len)
if (ctype == 0xFE) ctype = GC_DEFAULT_NA;
if (ctype == 0xFF) ctype = GC_PURCHASE;
if (ctype >= NUM_GLOBAL_CID) {
grfmsg(GMS_WARN, "FeatureMapSpriteGroup: Cargo type %d out of range, skipping.", ctype);
continue;
}
statspec->spritegroup[ctype] = _cur_grffile->spritegroups[groupid];
}
}
@ -1919,6 +1924,11 @@ static void FeatureMapSpriteGroup(byte *buf, int len)
if (ctype == GC_INVALID) ctype = GC_PURCHASE;
if (ctype >= NUM_GLOBAL_CID) {
grfmsg(GMS_WARN, "FeatureMapSpriteGroup: Cargo type %d out of range, skipping.", ctype);
continue;
}
if (wagover) {
SetWagonOverrideSprites(engine, ctype, _cur_grffile->spritegroups[groupid], last_engines, last_engines_count);
} else {

5
newgrf_engine.c
View File

@ -77,6 +77,9 @@ void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *
WagonOverrides *wos;
WagonOverride *wo;
assert(engine < TOTAL_NUM_ENGINES);
assert(cargo < NUM_GLOBAL_CID);
wos = &_engine_wagon_overrides[engine];
wos->overrides_count++;
wos->overrides = realloc(wos->overrides,
@ -147,6 +150,8 @@ static const GRFFile *_engine_grf[TOTAL_NUM_ENGINES];
void SetCustomEngineSprites(EngineID engine, byte cargo, const SpriteGroup *group)
{
assert(engine < TOTAL_NUM_ENGINES);
assert(cargo < NUM_GLOBAL_CID);
if (engine_custom_sprites[engine][cargo] != NULL) {
DEBUG(grf, 6)("SetCustomEngineSprites: engine `%d' cargo `%d' already has group -- replacing.", engine, cargo);
}