001package net.minecraft.world.gen.structure;
002
003import java.util.List;
004import java.util.Random;
005import net.minecraft.block.Block;
006import net.minecraft.world.World;
007
008public class ComponentMineshaftCross extends StructureComponent
009{
010    private final int corridorDirection;
011    private final boolean isMultipleFloors;
012
013    public ComponentMineshaftCross(int par1, Random par2Random, StructureBoundingBox par3StructureBoundingBox, int par4)
014    {
015        super(par1);
016        this.corridorDirection = par4;
017        this.boundingBox = par3StructureBoundingBox;
018        this.isMultipleFloors = par3StructureBoundingBox.getYSize() > 3;
019    }
020
021    public static StructureBoundingBox findValidPlacement(List par0List, Random par1Random, int par2, int par3, int par4, int par5)
022    {
023        StructureBoundingBox structureboundingbox = new StructureBoundingBox(par2, par3, par4, par2, par3 + 2, par4);
024
025        if (par1Random.nextInt(4) == 0)
026        {
027            structureboundingbox.maxY += 4;
028        }
029
030        switch (par5)
031        {
032            case 0:
033                structureboundingbox.minX = par2 - 1;
034                structureboundingbox.maxX = par2 + 3;
035                structureboundingbox.maxZ = par4 + 4;
036                break;
037            case 1:
038                structureboundingbox.minX = par2 - 4;
039                structureboundingbox.minZ = par4 - 1;
040                structureboundingbox.maxZ = par4 + 3;
041                break;
042            case 2:
043                structureboundingbox.minX = par2 - 1;
044                structureboundingbox.maxX = par2 + 3;
045                structureboundingbox.minZ = par4 - 4;
046                break;
047            case 3:
048                structureboundingbox.maxX = par2 + 4;
049                structureboundingbox.minZ = par4 - 1;
050                structureboundingbox.maxZ = par4 + 3;
051        }
052
053        return StructureComponent.findIntersecting(par0List, structureboundingbox) != null ? null : structureboundingbox;
054    }
055
056    /**
057     * Initiates construction of the Structure Component picked, at the current Location of StructGen
058     */
059    public void buildComponent(StructureComponent par1StructureComponent, List par2List, Random par3Random)
060    {
061        int i = this.getComponentType();
062
063        switch (this.corridorDirection)
064        {
065            case 0:
066                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.maxZ + 1, 0, i);
067                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX - 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 1, i);
068                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.maxX + 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 3, i);
069                break;
070            case 1:
071                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ - 1, 2, i);
072                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.maxZ + 1, 0, i);
073                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX - 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 1, i);
074                break;
075            case 2:
076                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ - 1, 2, i);
077                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX - 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 1, i);
078                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.maxX + 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 3, i);
079                break;
080            case 3:
081                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ - 1, 2, i);
082                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.maxZ + 1, 0, i);
083                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.maxX + 1, this.boundingBox.minY, this.boundingBox.minZ + 1, 3, i);
084        }
085
086        if (this.isMultipleFloors)
087        {
088            if (par3Random.nextBoolean())
089            {
090                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY + 3 + 1, this.boundingBox.minZ - 1, 2, i);
091            }
092
093            if (par3Random.nextBoolean())
094            {
095                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX - 1, this.boundingBox.minY + 3 + 1, this.boundingBox.minZ + 1, 1, i);
096            }
097
098            if (par3Random.nextBoolean())
099            {
100                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.maxX + 1, this.boundingBox.minY + 3 + 1, this.boundingBox.minZ + 1, 3, i);
101            }
102
103            if (par3Random.nextBoolean())
104            {
105                StructureMineshaftPieces.getNextComponent(par1StructureComponent, par2List, par3Random, this.boundingBox.minX + 1, this.boundingBox.minY + 3 + 1, this.boundingBox.maxZ + 1, 0, i);
106            }
107        }
108    }
109
110    /**
111     * second Part of Structure generating, this for example places Spiderwebs, Mob Spawners, it closes Mineshafts at
112     * the end, it adds Fences...
113     */
114    public boolean addComponentParts(World par1World, Random par2Random, StructureBoundingBox par3StructureBoundingBox)
115    {
116        if (this.isLiquidInStructureBoundingBox(par1World, par3StructureBoundingBox))
117        {
118            return false;
119        }
120        else
121        {
122            if (this.isMultipleFloors)
123            {
124                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ, this.boundingBox.maxX - 1, this.boundingBox.minY + 3 - 1, this.boundingBox.maxZ, 0, 0, false);
125                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX, this.boundingBox.minY, this.boundingBox.minZ + 1, this.boundingBox.maxX, this.boundingBox.minY + 3 - 1, this.boundingBox.maxZ - 1, 0, 0, false);
126                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.maxY - 2, this.boundingBox.minZ, this.boundingBox.maxX - 1, this.boundingBox.maxY, this.boundingBox.maxZ, 0, 0, false);
127                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX, this.boundingBox.maxY - 2, this.boundingBox.minZ + 1, this.boundingBox.maxX, this.boundingBox.maxY, this.boundingBox.maxZ - 1, 0, 0, false);
128                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.minY + 3, this.boundingBox.minZ + 1, this.boundingBox.maxX - 1, this.boundingBox.minY + 3, this.boundingBox.maxZ - 1, 0, 0, false);
129            }
130            else
131            {
132                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ, this.boundingBox.maxX - 1, this.boundingBox.maxY, this.boundingBox.maxZ, 0, 0, false);
133                this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX, this.boundingBox.minY, this.boundingBox.minZ + 1, this.boundingBox.maxX, this.boundingBox.maxY, this.boundingBox.maxZ - 1, 0, 0, false);
134            }
135
136            this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.minZ + 1, this.boundingBox.minX + 1, this.boundingBox.maxY, this.boundingBox.minZ + 1, Block.planks.blockID, 0, false);
137            this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.minX + 1, this.boundingBox.minY, this.boundingBox.maxZ - 1, this.boundingBox.minX + 1, this.boundingBox.maxY, this.boundingBox.maxZ - 1, Block.planks.blockID, 0, false);
138            this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.maxX - 1, this.boundingBox.minY, this.boundingBox.minZ + 1, this.boundingBox.maxX - 1, this.boundingBox.maxY, this.boundingBox.minZ + 1, Block.planks.blockID, 0, false);
139            this.fillWithBlocks(par1World, par3StructureBoundingBox, this.boundingBox.maxX - 1, this.boundingBox.minY, this.boundingBox.maxZ - 1, this.boundingBox.maxX - 1, this.boundingBox.maxY, this.boundingBox.maxZ - 1, Block.planks.blockID, 0, false);
140
141            for (int i = this.boundingBox.minX; i <= this.boundingBox.maxX; ++i)
142            {
143                for (int j = this.boundingBox.minZ; j <= this.boundingBox.maxZ; ++j)
144                {
145                    int k = this.getBlockIdAtCurrentPosition(par1World, i, this.boundingBox.minY - 1, j, par3StructureBoundingBox);
146
147                    if (k == 0)
148                    {
149                        this.placeBlockAtCurrentPosition(par1World, Block.planks.blockID, 0, i, this.boundingBox.minY - 1, j, par3StructureBoundingBox);
150                    }
151                }
152            }
153
154            return true;
155        }
156    }
157}