159 lines
4.4 KiB
Java
159 lines
4.4 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.worldgen;
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import java.util.Random;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.world.World;
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import net.minecraft.world.chunk.IChunkProvider;
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import net.minecraftforge.fml.common.IWorldGenerator;
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import appeng.api.features.IWorldGen.WorldGenType;
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import appeng.core.AEConfig;
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import appeng.core.features.registries.WorldGenRegistry;
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import appeng.core.worlddata.WorldData;
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import appeng.hooks.TickHandler;
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import appeng.util.IWorldCallable;
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import appeng.util.Platform;
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import appeng.worldgen.meteorite.ChunkOnly;
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public final class MeteoriteWorldGen implements IWorldGenerator
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{
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@Override
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public void generate( Random r, int chunkX, int chunkZ, World w, IChunkProvider chunkGenerator, IChunkProvider chunkProvider )
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{
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if( WorldGenRegistry.INSTANCE.isWorldGenEnabled( WorldGenType.Meteorites, w ) )
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{
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// add new meteorites?
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if( r.nextFloat() < AEConfig.instance.meteoriteSpawnChance )
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{
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int x = r.nextInt( 16 ) + ( chunkX << 4 );
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int z = r.nextInt( 16 ) + ( chunkZ << 4 );
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int depth = 180 + r.nextInt( 20 );
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TickHandler.INSTANCE.addCallable( w, new MeteoriteSpawn( x, depth, z ) );
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}
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else
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{
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TickHandler.INSTANCE.addCallable( w, new MeteoriteSpawn( chunkX << 4, 128, chunkZ << 4 ) );
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}
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}
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else
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{
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WorldData.instance().compassData().service().updateArea( w, chunkX, chunkZ );
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}
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}
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private boolean tryMeteorite( World w, int depth, int x, int z )
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{
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for( int tries = 0; tries < 20; tries++ )
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{
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MeteoritePlacer mp = new MeteoritePlacer();
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if( mp.spawnMeteorite( new ChunkOnly( w, x >> 4, z >> 4 ), x, depth, z ) )
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{
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int px = x >> 4;
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int pz = z >> 4;
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for( int cx = px - 6; cx < px + 6; cx++ )
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{
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for( int cz = pz - 6; cz < pz + 6; cz++ )
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{
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if( w.getChunkProvider().chunkExists( cx, cz ) )
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{
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if( px == cx && pz == cz )
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{
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continue;
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}
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if( WorldData.instance().spawnData().hasGenerated( w.provider.getDimensionId(), cx, cz ) )
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{
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MeteoritePlacer mp2 = new MeteoritePlacer();
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mp2.spawnMeteorite( new ChunkOnly( w, cx, cz ), mp.getSettings() );
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}
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}
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}
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}
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return true;
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}
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depth -= 15;
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if( depth < 40 )
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{
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return false;
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}
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}
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return false;
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}
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private Iterable<NBTTagCompound> getNearByMeteorites( World w, int chunkX, int chunkZ )
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{
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return WorldData.instance().spawnData().getNearByMeteorites( w.provider.getDimensionId(), chunkX, chunkZ );
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}
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class MeteoriteSpawn implements IWorldCallable<Object>
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{
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final int x;
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final int z;
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final int depth;
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public MeteoriteSpawn( int x, int depth, int z )
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{
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this.x = x;
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this.z = z;
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this.depth = depth;
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}
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@Override
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public Object call( World world ) throws Exception
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{
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int chunkX = this.x >> 4;
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int chunkZ = this.z >> 4;
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double minSqDist = Double.MAX_VALUE;
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// near by meteorites!
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for( NBTTagCompound data : MeteoriteWorldGen.this.getNearByMeteorites( world, chunkX, chunkZ ) )
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{
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MeteoritePlacer mp = new MeteoritePlacer();
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mp.spawnMeteorite( new ChunkOnly( world, chunkX, chunkZ ), data );
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minSqDist = Math.min( minSqDist, mp.getSqDistance( this.x, this.z ) );
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}
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boolean isCluster = ( minSqDist < 30 * 30 ) && Platform.getRandomFloat() < AEConfig.instance.meteoriteClusterChance;
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if( minSqDist > AEConfig.instance.minMeteoriteDistanceSq || isCluster )
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{
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MeteoriteWorldGen.this.tryMeteorite( world, this.depth, this.x, this.z );
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}
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WorldData.instance().spawnData().setGenerated( world.provider.getDimensionId(), chunkX, chunkZ );
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WorldData.instance().compassData().service().updateArea( world, chunkX, chunkZ );
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return null;
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}
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}
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}
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