Ellpeck/ActuallyAdditions
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Added custom cave gen for the cave worlds.

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No idea what it actually does right now though.
This commit is contained in:
Ellpeck 2016-05-20 22:13:36 +02:00
parent 4b425a36ab
commit 3f0b9beb5c
2 changed files with 245 additions and 0 deletions
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5
src/main/java/de/ellpeck/actuallyadditions/mod/gen/cave/ChunkProviderCave.java
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@ -19,6 +19,7 @@ import net.minecraft.world.biome.Biome;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.chunk.IChunkGenerator;
import net.minecraft.world.gen.MapGenBase;
import net.minecraft.world.gen.feature.WorldGenerator;
import javax.annotation.Nonnull;
@ -33,6 +34,8 @@ public class ChunkProviderCave implements IChunkGenerator{
private final WorldGenerator spawnGenerator;
private final MapGenBase caveGenerator = new MapGenCustomCaves();
public ChunkProviderCave(World world){
this.world = world;
this.rand = new Random(world.getSeed());
@ -67,6 +70,8 @@ public class ChunkProviderCave implements IChunkGenerator{
}
}
this.caveGenerator.generate(this.world, chunkX, chunkZ, primer);
Chunk chunk = new Chunk(this.world, primer, chunkX, chunkZ);
chunk.generateSkylightMap();
return chunk;

240
src/main/java/de/ellpeck/actuallyadditions/mod/gen/cave/MapGenCustomCaves.java Normal file
View file

@ -0,0 +1,240 @@
/*
* This file ("MapGenRiverCaves.java") is part of the Actually Additions mod for Minecraft.
* It is created and owned by Ellpeck and distributed
* under the Actually Additions License to be found at
* http://ellpeck.de/actaddlicense
* View the source code at https://github.com/Ellpeck/ActuallyAdditions
*
* © 2015-2016 Ellpeck
*/
package de.ellpeck.actuallyadditions.mod.gen.cave;
import com.google.common.base.Objects;
import de.ellpeck.actuallyadditions.mod.util.Util;
import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.gen.MapGenCaves;
import javax.annotation.Nonnull;
import java.util.Random;
//This is hideous. It's mostly copied from MapGenCaves and changed slightly.
//I also have no idea what I'm actually doing here as all of the variables have
//horrible names and I don't know what half of them do so I just try it out.
public class MapGenCustomCaves extends MapGenCaves{
private static final Block[] NO_REPLACEY = new Block[]{
Blocks.BEDROCK,
Blocks.LOG,
Blocks.LOG2,
Blocks.LEAVES,
Blocks.DIRT,
Blocks.PLANKS,
Blocks.OAK_FENCE,
Blocks.CHEST,
Blocks.LADDER
};
@Override
protected void addRoom(long probablySeed, int chunkX, int chunkZ, @Nonnull ChunkPrimer primer, double x, double y, double z){
this.addTunnel(probablySeed, chunkX, chunkZ, primer, x, y, z, 1.0F+this.rand.nextFloat()*15.0F, 0.0F, 0.0F, -1, -1, this.rand.nextDouble()*1.2F+0.25F);
}
@Override
protected void addTunnel(long probablySeed, int chunkX, int chunkZ, @Nonnull ChunkPrimer primer, double x, double y, double z, float float1, float float2, float float3, int int1, int int2, double double4){
double d0 = (double)(chunkX*16+8);
double d1 = (double)(chunkZ*16+8);
float f = 0.0F;
float f1 = 0.0F;
Random random = new Random(probablySeed);
if(int2 <= 0){
int i = this.range*16-16;
int2 = i-random.nextInt(i/4);
}
boolean flag2 = false;
if(int1 == -1){
int1 = int2/2;
flag2 = true;
}
int j = random.nextInt(int2/2)+int2/4;
for(boolean flag = random.nextInt(6) == 0; int1 < int2; ++int1){
double d2 = 1.5D+(double)(MathHelper.sin((float)int1*(float)Math.PI/(float)int2)*float1);
double d3 = d2*double4;
float f2 = MathHelper.cos(float3);
float f3 = MathHelper.sin(float3);
x += (double)(MathHelper.cos(float2)*f2);
y += (double)f3;
z += (double)(MathHelper.sin(float2)*f2);
if(flag){
float3 = float3*0.92F;
}
else{
float3 = float3*0.7F;
}
float3 = float3+f1*0.1F;
float2 += f*0.1F;
f1 = f1*0.9F;
f = f*0.75F;
f1 = f1+(random.nextFloat()-random.nextFloat())*random.nextFloat()*2.0F;
f = f+(random.nextFloat()-random.nextFloat())*random.nextFloat()*4.0F;
if(!flag2 && int1 == j && float1 > 1.0F && int2 > 0){
this.addTunnel(random.nextLong(), chunkX, chunkZ, primer, x, y, z, random.nextFloat()*0.5F+0.5F, float2-((float)Math.PI/2F), float3/3.0F, int1, int2, 1.0D);
this.addTunnel(random.nextLong(), chunkX, chunkZ, primer, x, y, z, random.nextFloat()*0.5F+0.5F, float2+((float)Math.PI/2F), float3/3.0F, int1, int2, 1.0D);
return;
}
if(flag2 || random.nextInt(4) != 0){
double d4 = x-d0;
double d5 = z-d1;
double d6 = (double)(int2-int1);
double d7 = (double)(float1+2.0F+16.0F);
if(d4*d4+d5*d5-d6*d6 > d7*d7){
return;
}
if(x >= d0-16.0D-d2*2.0D && z >= d1-16.0D-d2*2.0D && x <= d0+16.0D+d2*2.0D && z <= d1+16.0D+d2*2.0D){
int k2 = MathHelper.floor_double(x-d2)-chunkX*16-1;
int k = MathHelper.floor_double(x+d2)-chunkX*16+1;
int l2 = MathHelper.floor_double(y-d3)-1;
int l = MathHelper.floor_double(y+d3)+1;
int i3 = MathHelper.floor_double(z-d2)-chunkZ*16-1;
int i1 = MathHelper.floor_double(z+d2)-chunkZ*16+1;
if(k2 < 0){
k2 = 0;
}
if(k > 16){
k = 16;
}
if(l2 < 1){
l2 = 1;
}
if(l > 248){
l = 248;
}
if(i3 < 0){
i3 = 0;
}
if(i1 > 16){
i1 = 16;
}
boolean flag3 = false;
for(int j1 = k2; !flag3 && j1 < k; ++j1){
for(int k1 = i3; !flag3 && k1 < i1; ++k1){
for(int l1 = l+1; !flag3 && l1 >= l2-1; --l1){
if(l1 >= 0 && l1 < 256){
if(this.isOceanBlock(primer, j1, l1, k1, chunkX, chunkZ)){
flag3 = true;
}
if(l1 != l2-1 && j1 != k2 && j1 != k-1 && k1 != i3 && k1 != i1-1){
l1 = l2;
}
}
}
}
}
if(!flag3){
for(int j3 = k2; j3 < k; ++j3){
double d10 = ((double)(j3+chunkX*16)+0.5D-x)/d2;
for(int i2 = i3; i2 < i1; ++i2){
double d8 = ((double)(i2+chunkZ*16)+0.5D-z)/d2;
boolean flag1 = false;
if(d10*d10+d8*d8 < 1.0D){
for(int j2 = l; j2 > l2; --j2){
double d9 = ((double)(j2-1)+0.5D-y)/d3;
if(d9 > -0.7D && d10*d10+d9*d9+d8*d8 < 1.0D){
IBlockState iblockstate1 = primer.getBlockState(j3, j2, i2);
IBlockState iblockstate2 = Objects.firstNonNull(primer.getBlockState(j3, j2+1, i2), BLK_AIR);
this.digBlock(primer, j3, j2, i2, chunkX, chunkZ, flag1, iblockstate1, iblockstate2);
}
}
}
}
}
if(flag2){
break;
}
}
}
}
}
}
@Override
protected boolean canReplaceBlock(IBlockState first, @Nonnull IBlockState second){
return Util.arrayContains(NO_REPLACEY, first.getBlock()) < 0;
}
@Override
protected void digBlock(@Nonnull ChunkPrimer primer, int x, int y, int z, int chunkX, int chunkZ, boolean foundTop, @Nonnull IBlockState state, @Nonnull IBlockState up){
net.minecraft.world.biome.Biome biome = this.worldObj.getBiomeGenForCoords(new BlockPos(x+chunkX*16, 0, z+chunkZ*16));
IBlockState top = biome.topBlock;
IBlockState filler = biome.fillerBlock;
if(this.canReplaceBlock(state, up) || state.getBlock() == top.getBlock() || state.getBlock() == filler.getBlock()){
primer.setBlockState(x, y, z, BLK_AIR);
}
}
@Override
protected void recursiveGenerate(World worldIn, int chunkX, int chunkZ, int int1, int int2, @Nonnull ChunkPrimer primer){
int i = this.rand.nextInt(this.rand.nextInt(this.rand.nextInt(20)+1)+1);
if(this.rand.nextInt(10) != 0){
i = 0;
}
for(int j = 0; j < i; ++j){
double d0 = (double)(chunkX*16+this.rand.nextInt(16));
double d1 = (double)this.rand.nextInt(this.rand.nextInt(244)+8);
double d2 = (double)(chunkZ*16+this.rand.nextInt(16));
int k = 1;
if(this.rand.nextInt(4) == 0){
this.addRoom(this.rand.nextLong(), int1, int2, primer, d0, d1, d2);
k += this.rand.nextInt(4);
}
for(int l = 0; l < k; ++l){
float f = this.rand.nextFloat()*((float)Math.PI*2F);
float f1 = (this.rand.nextFloat()-0.5F)*2.0F/8.0F;
float f2 = this.rand.nextFloat()*2.0F+this.rand.nextFloat();
if(this.rand.nextInt(10) == 0){
f2 *= this.rand.nextFloat()*this.rand.nextFloat()*3.0F+1.0F;
}
this.addTunnel(this.rand.nextLong(), int1, int2, primer, d0, d1, d2, f2, f, f1, 0, 0, this.rand.nextDouble()*2F+1F);
}
}
}
}