Function GetSwampTreeImage

src/Generating/Trees.cpp:608–649

void GetSwampTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
{
	// Vines are around the BigO3, but not in the corners; need proper meta for direction
	static const sMetaCoords Vines[] =
	{
		{-2, -4, 1}, {-1, -4, 1}, {0, -4, 1}, {1, -4, 1}, {2, -4, 1},  // North face
		{-2,  4, 4}, {-1,  4, 4}, {0,  4, 4}, {1,  4, 4}, {2,  4, 4},  // South face
		{4,  -2, 2}, {4,  -1, 2}, {4,  0, 2}, {4,  1, 2}, {4,  2, 2},  // East face
		{-4, -2, 8}, {-4, -1, 8}, {-4, 0, 8}, {-4, 1, 8}, {-4, 2, 8},  // West face
	} ;

	int Height = 3 + (a_Noise.IntNoise3DInt(a_BlockX + 32 * a_Seq, a_BlockY, a_BlockZ + 32 * a_Seq) / 8) % 3;
	
	a_LogBlocks.reserve(Height);
	a_OtherBlocks.reserve(2 * ARRAYCOUNT(BigO2) + 2 * ARRAYCOUNT(BigO3) + Height * ARRAYCOUNT(Vines) + 20);
	
	for (int i = 0; i < Height; i++)
	{
		a_LogBlocks.push_back(sSetBlock(a_BlockX, a_BlockY + i, a_BlockZ, E_BLOCK_LOG, E_META_LOG_APPLE));
	}
	int hei = a_BlockY + Height - 2;
	
	// Put vines around the lowermost leaves layer:
	PushSomeColumns(a_BlockX, hei, a_BlockZ, Height, a_Seq, a_Noise, 0x3fffffff, a_OtherBlocks, Vines, ARRAYCOUNT(Vines), E_BLOCK_VINES);
	
	// The lower two leaves layers are BigO3 with log in the middle and possibly corners:
	for (int i = 0; i < 2; i++)
	{
		PushCoordBlocks(a_BlockX, hei, a_BlockZ, a_OtherBlocks, BigO3, ARRAYCOUNT(BigO3), E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
		PushCornerBlocks(a_BlockX, hei, a_BlockZ, a_Seq, a_Noise, 0x5fffffff, a_OtherBlocks, 3, E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
		hei++;
	}  // for i - 2*

	// The upper two leaves layers are BigO2 with leaves in the middle and possibly corners:
	for (int i = 0; i < 2; i++)
	{
		PushCoordBlocks(a_BlockX, hei, a_BlockZ, a_OtherBlocks, BigO2, ARRAYCOUNT(BigO2), E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
		PushCornerBlocks(a_BlockX, hei, a_BlockZ, a_Seq, a_Noise, 0x5fffffff, a_OtherBlocks, 3, E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
		a_OtherBlocks.push_back(sSetBlock(a_BlockX, hei, a_BlockZ, E_BLOCK_LEAVES, E_META_LEAVES_APPLE));
		hei++;
	}  // for i - 2*
}