146 lines
3.8 KiB
Java
146 lines
3.8 KiB
Java
package appeng.hooks;
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import java.util.Collection;
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import java.util.Random;
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import java.util.concurrent.Callable;
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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 appeng.api.features.IWorldGen.WorldGenType;
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import appeng.core.AEConfig;
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import appeng.core.WorldSettings;
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import appeng.core.features.registries.WorldGenRegistry;
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import appeng.helpers.MeteoritePlacer;
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import appeng.services.helpers.ICompassCallback;
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import appeng.util.Platform;
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import cpw.mods.fml.common.IWorldGenerator;
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final public class MeteoriteWorldGen implements IWorldGenerator
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{
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class myGen implements ICompassCallback
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{
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double distance = 0;
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@Override
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public void calculatedDirection(boolean hasResult, boolean spin, double radians, double dist)
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{
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if ( hasResult )
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distance = dist;
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else
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distance = Double.MAX_VALUE;
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}
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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.Metorites, w ) )
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{
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// add new metorites?
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if ( r.nextFloat() < AEConfig.instance.metoriteSpawnChance )
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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 MetoriteSpawn( x, depth, z, w ) );
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}
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else
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TickHandler.instance.addCallable( w, new MetoriteSpawn( chunkX << 4, 128, chunkZ << 4, w ) );
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}
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else
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WorldSettings.getInstance().getCompass().updateArea( w, chunkX, chunkZ );
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}
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class MetoriteSpawn implements Callable
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{
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final int x;
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final int z;
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final World w;
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int depth;
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public MetoriteSpawn(int x, int depth, int z, World w) {
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this.x = x;
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this.z = z;
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this.w = w;
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this.depth = depth;
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}
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@Override
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public Object call() throws Exception
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{
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int chunkX = x >> 4;
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int chunkZ = 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 : getNearByMetetorites( w, chunkX, chunkZ ))
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{
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MeteoritePlacer mp = new MeteoritePlacer();
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mp.spawnMeteorite( new MeteoritePlacer.ChunkOnly( w, chunkX, chunkZ ), data );
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minSqDist = Math.min( minSqDist, mp.getSqDistance( x, z ) );
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}
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boolean isCluster = (minSqDist < 30 * 30) && Platform.getRandomFloat() < AEConfig.instance.metoriteClusterChance;
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if ( minSqDist > AEConfig.instance.minMeteoriteDistanceSq || isCluster )
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tryMetroite( w, depth, x, z );
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WorldSettings.getInstance().setGenerated( w.provider.dimensionId, chunkX, chunkZ );
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WorldSettings.getInstance().getCompass().updateArea( w, chunkX, chunkZ );
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return null;
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}
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}
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private boolean tryMetroite(World w, int depth, int x, int z)
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{
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for (int trys = 0; trys < 20; trys++)
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{
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MeteoritePlacer mp = new MeteoritePlacer();
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if ( mp.spawnMeteorite( new MeteoritePlacer.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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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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continue;
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if ( WorldSettings.getInstance().hasGenerated( w.provider.dimensionId, cx, cz ) )
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{
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MeteoritePlacer mp2 = new MeteoritePlacer();
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mp2.spawnMeteorite( new MeteoritePlacer.ChunkOnly( w, cx, cz ), mp.getSettings() );
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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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return false;
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}
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return false;
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}
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private Collection<NBTTagCompound> getNearByMetetorites(World w, int chunkX, int chunkZ)
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{
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return WorldSettings.getInstance().getNearByMetetorites( w.provider.dimensionId, chunkX, chunkZ );
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}
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}
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