package biomesoplenty.worldgen.tree;

import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenerator;
import biomesoplenty.api.Blocks;

public class WorldGenPineTree extends WorldGenerator
{
	@Override
	public boolean generate(World var1, Random var2, int var3, int var4, int var5)
	{
		while (var1.isAirBlock(var3, var4, var5) && var4 > 2)
		{
			--var4;
		}

		int var6 = var1.getBlockId(var3, var4, var5);

		if (var6 != Block.grass.blockID && var6 != Blocks.hardDirt.get().blockID && var6 != Block.stone.blockID && var6 != Block.dirt.blockID)
		{
			return false;
		}
		else
		{
			for (int var7 = -2; var7 <= 2; ++var7)
			{
				for (int var8 = -2; var8 <= 2; ++var8)
				{
					if (var1.isAirBlock(var3 + var7, var4 - 1, var5 + var8) && var1.isAirBlock(var3 + var7, var4 - 2, var5 + var8) && !var1.isAirBlock(var3 + var7, var4, var5 + var8))
					{
						return false;
					}
				}
			}
			
			//settings========
			int baselength = 4 + var2.nextInt(4);
			int branches = 1 + var2.nextInt(3);
			//================
			
			int h = 1;
			buildBlock(var1, var3, var4, var5, Block.dirt.blockID, 0);
			for(int b = 0; b < baselength; b++)
			{
				buildBlock(var1, var3, var4 + h, var5, Blocks.logs4.get().blockID, 0);
				h++;
			}
			
			int c = 1;
			for(int r = 0; r < branches; r++)
			{
				generateBranch(var1, var2, var3, var4 + h, var5, c);
				c++;
				h+=2;
			}
			
			generateTop(var1, var3, var4 + h, var5);
			return true;
		}
	}

	public void generateTop(World world, int x, int y, int z)
	{
		for(int i = -1; i < 2; i++)
		{
			for(int j = -1; j < 2; j++)
			{
				buildBlock(world, x + i, y, z + j, Blocks.leavesColorized.get().blockID, 5);
			}
		}
		buildBlock(world, x, y, z, Blocks.logs4.get().blockID, 0);
		buildBlock(world, x + 1, y + 1, z, Blocks.leavesColorized.get().blockID, 5);
		buildBlock(world, x, y + 1, z - 1, Blocks.leavesColorized.get().blockID, 5);
		buildBlock(world, x, y + 1, z + 1, Blocks.leavesColorized.get().blockID, 5);
		buildBlock(world, x - 1, y + 1, z, Blocks.leavesColorized.get().blockID, 5);
		buildBlock(world, x, y + 2, z, Blocks.leavesColorized.get().blockID, 5);
	}
	
	public void generateBranch(World world, Random rand, int x, int y, int z, int n)
	{
		for(int i = -1; i < 2; i++)
		{
			for(int j = -1; j < 2; j++)
			{
				buildBlock(world, x + i, y, z + j, Blocks.leavesColorized.get().blockID, 5);
			}
		}
		
		if(n % 2 == 0)
		{
			buildBlock(world, x + 1, y, z - 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x + 2, y, z - 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x + 2, y, z - 1, Blocks.leavesColorized.get().blockID, 5);
			
			buildBlock(world, x - 2, y, z + 1, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x - 2, y, z + 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x - 1, y, z + 2, Blocks.leavesColorized.get().blockID, 5);
		}
		else
		{
			buildBlock(world, x + 2, y, z + 1, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x + 2, y, z + 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x + 1, y, z + 2, Blocks.leavesColorized.get().blockID, 5);
			
			buildBlock(world, x - 1, y, z - 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x - 2, y, z - 2, Blocks.leavesColorized.get().blockID, 5);
			buildBlock(world, x - 2, y, z - 1, Blocks.leavesColorized.get().blockID, 5);
		}
		
		buildBlock(world, x, y, z, Blocks.logs4.get().blockID, 0);
		buildBlock(world, x, y + 1, z, Blocks.logs4.get().blockID, 0);
	}
	
	public void buildBlock(World world, int x, int y, int z, int id, int meta)
	{
		Material m = world.getBlockMaterial(x, y, z);
		if(m == Material.air || m == Material.leaves)
		{
			world.setBlock(x, y, z, id, meta, 2);
		}
	}
}