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/*
* Copyright (c) 2018-2020 bartimaeusnek Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following
* conditions: The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package bartworks.system.oregen;
import java.util.HashSet;
import java.util.Random;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraft.world.WorldProvider;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.IChunkProvider;
import cpw.mods.fml.common.IWorldGenerator;
import gregtech.api.objects.XSTR;
import gregtech.api.util.GTLog;
/**
* Original GT File Stripped and adjusted to work with this mod
*/
public class BWWordGenerator implements IWorldGenerator {
public BWWordGenerator() {
// GT_NH Override... wont be actually registered to force its generation directly in the ChunkProvider
// GameRegistry.registerWorldGenerator(this, 1073741823);
}
public synchronized void generate(Random aRandom, int aX, int aZ, World aWorld, IChunkProvider aChunkGenerator,
IChunkProvider aChunkProvider) {
new BWWordGenerator.WorldGenContainer(
aX * 16,
aZ * 16,
aWorld.provider,
aWorld,
aChunkGenerator,
aChunkProvider).run();
}
public static class WorldGenContainer implements Runnable {
public static HashSet<ChunkCoordIntPair> mGenerated = new HashSet<>(2000);
public final WorldProvider mWorldProvider;
public final World mWorld;
public final IChunkProvider mChunkGenerator;
public final IChunkProvider mChunkProvider;
public int mX;
public int mZ;
public WorldGenContainer(int aX, int aZ, WorldProvider aWorldProvider, World aWorld,
IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider) {
this.mX = aX;
this.mZ = aZ;
this.mWorldProvider = aWorldProvider;
this.mWorld = aWorld;
this.mChunkGenerator = aChunkGenerator;
this.mChunkProvider = aChunkProvider;
}
// returns a coordinate of a center chunk of 3x3 square; the argument belongs to this square
public int getVeinCenterCoordinate(int c) {
c += c < 0 ? 1 : 3;
return c - c % 3 - 2;
}
public boolean surroundingChunksLoaded(int xCenter, int zCenter) {
return this.mWorld.checkChunksExist(xCenter - 16, 0, zCenter - 16, xCenter + 16, 0, zCenter + 16);
}
public XSTR getRandom(int xChunk, int zChunk) {
long worldSeed = this.mWorld.getSeed();
XSTR fmlRandom = new XSTR(worldSeed);
long xSeed = fmlRandom.nextLong() >> 2 + 1L;
long zSeed = fmlRandom.nextLong() >> 2 + 1L;
long chunkSeed = xSeed * xChunk + zSeed * zChunk ^ worldSeed;
fmlRandom.setSeed(chunkSeed);
return new XSTR(fmlRandom.nextInt());
}
public void run() {
int xCenter = this.getVeinCenterCoordinate(this.mX >> 4);
int zCenter = this.getVeinCenterCoordinate(this.mZ >> 4);
Random random = this.getRandom(xCenter, zCenter);
xCenter <<= 4;
zCenter <<= 4;
ChunkCoordIntPair centerChunk = new ChunkCoordIntPair(xCenter, zCenter);
if (!BWWordGenerator.WorldGenContainer.mGenerated.contains(centerChunk)
&& this.surroundingChunksLoaded(xCenter, zCenter)) {
BWWordGenerator.WorldGenContainer.mGenerated.add(centerChunk);
if (BWOreLayer.sWeight > 0 && !BWOreLayer.sList.isEmpty()) {
boolean temp = true;
int tRandomWeight;
for (int i = 0; i < 256 && temp; i++) {
tRandomWeight = random.nextInt(BWOreLayer.sWeight);
for (BWOreLayer tWorldGen : BWOreLayer.sList) {
if (!tWorldGen.isGenerationAllowed(this.mWorld, mWorldProvider.getClass())) continue;
tRandomWeight -= tWorldGen.mWeight;
if (tRandomWeight <= 0) {
try {
boolean placed;
int attempts = 0;
do {
placed = tWorldGen.executeWorldgen(
this.mWorld,
random,
"",
this.mWorldProvider.dimensionId,
xCenter,
zCenter,
this.mChunkGenerator,
this.mChunkProvider);
++attempts;
} while (!placed && attempts < 25);
temp = false;
break;
} catch (Throwable e) {
e.printStackTrace(GTLog.err);
}
}
}
}
}
}
Chunk tChunk = this.mWorld.getChunkFromBlockCoords(this.mX, this.mZ);
if (tChunk != null) {
tChunk.isModified = true;
}
}
}
}
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