/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
import cpw.mods.fml.common.eventhandler.Event.Result;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.event.terraingen.PopulateChunkEvent;
import net.minecraftforge.event.terraingen.TerrainGen;
import buildcraft.BuildCraftCore;
public class SpringPopulate {
@SubscribeEvent
public void populate(PopulateChunkEvent.Post event) {
boolean doGen = TerrainGen.populate(event.chunkProvider, event.world, event.rand, event.chunkX, event.chunkZ, event.hasVillageGenerated, PopulateChunkEvent.Populate.EventType.CUSTOM);
if (!doGen) {
event.setResult(Result.ALLOW);
return;
}
// shift to world coordinates
int worldX = event.chunkX << 4;
int worldZ = event.chunkZ << 4;
doPopulate(event.world, event.rand, worldX, worldZ);
}
private void doPopulate(World world, Random random, int x, int z) {
// A spring will be generated every 40th chunk.
if (random.nextFloat() > 0.025f) {
return;
}
// Do not generate water in the End or the Nether
BiomeGenBase biomegenbase = world.getWorldChunkManager().getBiomeGenAt(x, z);
if (biomegenbase.biomeID == BiomeGenBase.sky.biomeID || biomegenbase.biomeID == BiomeGenBase.hell.biomeID) {
return;
}
int posX = x + random.nextInt(16);
int posZ = z + random.nextInt(16);
for (int i = 0; i < 5; i++) {
Block candidate = world.getBlock(posX, i, posZ);
if (candidate != Blocks.bedrock) {
continue;
}
world.setBlock(posX, i + 1, posZ, BuildCraftCore.springBlock);
for (int j = i + 2; j < world.getActualHeight() - 10; j++) {
if (!boreToSurface(world, posX, j, posZ)) {
if (world.isAirBlock(posX, j, posZ)) {
world.setBlock(posX, j, posZ, Blocks.water);
}
break;
}
}
break;
}
}
private boolean boreToSurface(World world, int x, int y, int z) {
if (world.isAirBlock(x, y, z)) {
return false;
}
Block existing = world.getBlock(x, y, z);
if (existing != Blocks.stone
&& existing != Blocks.dirt
&& existing != Blocks.gravel
&& existing != Blocks.grass) {
return false;
}
world.setBlock(x, y, z, Blocks.water);
return true;
}
}