228 lines
8.4 KiB
Java
228 lines
8.4 KiB
Java
package biomesoplenty.worldgen;
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import java.util.Random;
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import net.minecraft.block.Block;
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import net.minecraft.world.World;
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import net.minecraft.world.gen.feature.WorldGenerator;
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public class WorldGenCrag extends WorldGenerator
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{
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/** The minimum height of a generated tree. */
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private final int minTreeHeight;
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/** True if this tree should grow Vines. */
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private final boolean vinesGrow;
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/** The metadata value of the wood to use in tree generation. */
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private final int metaWood;
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/** The metadata value of the leaves to use in tree generation. */
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private final int metaLeaves;
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public WorldGenCrag(boolean par1)
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{
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this(par1, 4, 0, 0, false);
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}
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public WorldGenCrag(boolean par1, int par2, int par3, int par4, boolean par5)
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{
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super(par1);
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this.minTreeHeight = par2;
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this.metaWood = par3;
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this.metaLeaves = par4;
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this.vinesGrow = par5;
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}
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public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
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{
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int var6 = par2Random.nextInt(2) + this.minTreeHeight;
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boolean var7 = true;
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if (par4 >= 1 && par4 + var6 + 1 <= 256)
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{
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int var8;
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byte var9;
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int var11;
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int var12;
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for (var8 = par4; var8 <= par4 + 1 + var6; ++var8)
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{
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var9 = 1;
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if (var8 == par4)
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{
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var9 = 0;
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}
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if (var8 >= par4 + 1 + var6 - 2)
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{
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var9 = 2;
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}
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for (int var10 = par3 - var9; var10 <= par3 + var9 && var7; ++var10)
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{
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for (var11 = par5 - var9; var11 <= par5 + var9 && var7; ++var11)
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{
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if (var8 >= 0 && var8 < 256)
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{
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var12 = par1World.getBlockId(var10, var8, var11);
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if (var12 != 0)
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{
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var7 = false;
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}
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}
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else
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{
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var7 = false;
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}
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}
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}
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}
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if (!var7)
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{
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return false;
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}
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else
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{
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var8 = par1World.getBlockId(par3, par4 - 1, par5);
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if ((var8 == Block.gravel.blockID) && par4 < 256 - var6 - 1)
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{
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this.setBlock(par1World, par3, par4 - 1, par5, Block.gravel.blockID);
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var9 = 6;
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byte var18 = 0;
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int var13;
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int var14;
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int var15;
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for (var11 = par4 - var9 + var6; var11 <= par4 + var6; ++var11)
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{
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var12 = var11 - (par4 + var6);
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var13 = var18 + 1 - var12 / 2;
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for (var14 = par3 - var13; var14 <= par3 + var13; ++var14)
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{
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var15 = var14 - par3;
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for (int var16 = par5 - var13; var16 <= par5 + var13; ++var16)
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{
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int var17 = var16 - par5;
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if ((Math.abs(var15) != var13 || Math.abs(var17) != var13 || par2Random.nextInt(2) != 0 && var12 != 0) && !Block.opaqueCubeLookup[par1World.getBlockId(var14, var11, var16)])
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{
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this.setBlock(par1World, var14, var11, var16, Block.gravel.blockID);
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}
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}
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}
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}
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for (var11 = 0; var11 < var6; ++var11)
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{
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var12 = par1World.getBlockId(par3, par4 + var11, par5);
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if (var12 == 0 || var12 == Block.gravel.blockID)
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{
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this.setBlock(par1World, par3, par4 + var11, par5, Block.gravel.blockID);
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if (this.vinesGrow && var11 > 0)
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{
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if (par2Random.nextInt(3) > 0 && par1World.isAirBlock(par3 - 1, par4 + var11, par5))
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{
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this.setBlockAndMetadata(par1World, par3 - 1, par4 + var11, par5, Block.vine.blockID, 8);
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}
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if (par2Random.nextInt(3) > 0 && par1World.isAirBlock(par3 + 1, par4 + var11, par5))
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{
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this.setBlockAndMetadata(par1World, par3 + 1, par4 + var11, par5, Block.vine.blockID, 2);
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}
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if (par2Random.nextInt(3) > 0 && par1World.isAirBlock(par3, par4 + var11, par5 - 1))
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{
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this.setBlockAndMetadata(par1World, par3, par4 + var11, par5 - 1, Block.vine.blockID, 1);
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}
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if (par2Random.nextInt(3) > 0 && par1World.isAirBlock(par3, par4 + var11, par5 + 1))
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{
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this.setBlockAndMetadata(par1World, par3, par4 + var11, par5 + 1, Block.vine.blockID, 4);
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}
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}
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}
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}
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if (this.vinesGrow)
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{
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for (var11 = par4 - 3 + var6; var11 <= par4 + var6; ++var11)
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{
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var12 = var11 - (par4 + var6);
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var13 = 2 - var12 / 2;
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for (var14 = par3 - var13; var14 <= par3 + var13; ++var14)
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{
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for (var15 = par5 - var13; var15 <= par5 + var13; ++var15)
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{
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if (par1World.getBlockId(var14, var11, var15) == Block.gravel.blockID)
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{
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if (par2Random.nextInt(4) == 0 && par1World.getBlockId(var14 - 1, var11, var15) == 0)
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{
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this.growVines(par1World, var14 - 1, var11, var15, 8);
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}
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if (par2Random.nextInt(4) == 0 && par1World.getBlockId(var14 + 1, var11, var15) == 0)
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{
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this.growVines(par1World, var14 + 1, var11, var15, 2);
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}
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if (par2Random.nextInt(4) == 0 && par1World.getBlockId(var14, var11, var15 - 1) == 0)
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{
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this.growVines(par1World, var14, var11, var15 - 1, 1);
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}
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if (par2Random.nextInt(4) == 0 && par1World.getBlockId(var14, var11, var15 + 1) == 0)
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{
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this.growVines(par1World, var14, var11, var15 + 1, 4);
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}
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}
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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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else
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{
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return false;
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}
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}
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}
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else
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{
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return false;
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}
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}
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/**
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* Grows vines downward from the given block for a given length. Args: World, x, starty, z, vine-length
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*/
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private void growVines(World par1World, int par2, int par3, int par4, int par5)
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{
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this.setBlockAndMetadata(par1World, par2, par3, par4, Block.vine.blockID, par5);
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int var6 = 4;
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while (true)
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{
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--par3;
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if (par1World.getBlockId(par2, par3, par4) != 0 || var6 <= 0)
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{
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return;
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}
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this.setBlockAndMetadata(par1World, par2, par3, par4, Block.vine.blockID, par5);
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--var6;
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}
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}
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}
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