Function markTextureForPrecache

source/core/precache.cpp:101–124

TMap<int64_t, bool> cachemap;

void markTextureForPrecache(FTextureID nTex, int palnum)
{
	if (!nTex.isValid()) return;
	int i, j;
	assert(palnum >= 0 && palnum < 256);
	auto& picanm = GetExtInfo(nTex).picanm;
	if (picanm.type() == PICANM_ANIMTYPE_BACK)
	{
		i = nTex.GetIndex() - picanm.num;
		j = nTex.GetIndex();
	}
	else
	{
		i = nTex.GetIndex();
		j = nTex.GetIndex() + picanm.num * ((picanm.type() == PICANM_ANIMTYPE_OSC) ? 2 : 1);
	}

	for (; i <= j; i = i + 1)
	{
		int64_t val = i + (int64_t(palnum) << 32);
		assert(val >= 0);
		cachemap.Insert(val, true);
	}
}

void markTextureForPrecache(const char* texname, int palnum)
{