Function precacheMarkedTiles

source/core/precache.cpp:134–159

void precacheMarkedTiles()
{
	screen->StartPrecaching();
	decltype(cachemap)::Iterator it(cachemap);
	decltype(cachemap)::Pair* pair;
	while (it.NextPair(pair))
	{
		int texid = pair->Key & 0x7fffffff;
		int palnum = pair->Key >> 32;
		doprecache(FSetTextureID(texid), palnum);
	}

	// Cache everything the map explicitly declares.
	TMap<FString, bool> cachetexmap;
	for (auto& tex : currentLevel->PrecacheTextures) cachetexmap.Insert(tex, true);

	decltype(cachetexmap)::Iterator it2(cachetexmap);
	decltype(cachetexmap)::Pair* pair2;
	while (it2.NextPair(pair2))
	{
		auto tex = TexMan.FindGameTexture(pair2->Key.GetChars(), ETextureType::Any);
		if (tex) PrecacheTex(tex, 0);
	}

	cachemap.Clear();
}

void precacheMap()
{