Function LoadMapHack

source/core/maphack.cpp:61–281

}

static int32_t LoadMapHack(const char *filename, SpawnSpriteDef& sprites)
{
	int currentsprite = -1;
	int currentwall = -1;
	int currentsector = -1;
	int numsprites = sprites.sprites.Size();

	FScanner sc;
	int lump = fileSystem.FindFile(filename);
	if (lump < 0)
	{
		return -1;
	}
	sc.OpenLumpNum(lump);
	sprites.sprext.Resize(numsprites);
	memset(sprites.sprext.Data(), 0, sizeof(spriteext_t) * sprites.sprext.Size());

	while (sc.GetString())
	{
		FString token = sc.String;
		auto validateSprite = [&]()
		{
			if (currentsprite < 0 || currentsprite >= numsprites)
			{
				sc.ScriptMessage("Using %s without a valid sprite", token.GetChars());
				return false;
			}
			return true;
		};

		auto validateWall = [&]()
		{
			if (currentwall < 0 || currentwall >= (int)wall.Size())
			{
				sc.ScriptMessage("Using %s without a valid wall", token.GetChars());
				return false;
			}
			return true;
		};

		auto validateSector = [&]()
		{
			if (currentsector < 0 || currentsector >= (int)sector.Size())
			{
				sc.ScriptMessage("Using %s without a valid sector", token.GetChars());
				return false;
			}
			return true;
		};

		if (sc.Compare("sprite"))
		{
			currentwall = -1;
			currentsector = -1;
			if (sc.CheckNumber())
			{
				currentsprite = sc.Number;
				if ((unsigned)currentsprite >= sprites.sprites.Size())