/**
* Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
* <p/>
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.builders;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.util.Constants;
import buildcraft.BuildCraftBuilders;
import buildcraft.api.blueprints.BuildingPermission;
import buildcraft.api.blueprints.IBuilderContext;
import buildcraft.api.blueprints.MappingNotFoundException;
import buildcraft.api.blueprints.MappingRegistry;
import buildcraft.api.blueprints.SchematicBlock;
import buildcraft.api.blueprints.SchematicBlockBase;
import buildcraft.api.blueprints.SchematicFactory;
import buildcraft.api.blueprints.SchematicMask;
import buildcraft.api.core.BCLog;
import buildcraft.api.core.Position;
import buildcraft.core.blueprints.IndexRequirementMap;
import buildcraft.core.lib.utils.BlockUtils;
public class BuildingSlotBlock extends BuildingSlot {
public int x, y, z;
public SchematicBlockBase schematic;
// TODO: Remove this ugly hack
public IndexRequirementMap internalRequirementRemovalListener;
public enum Mode {
ClearIfInvalid, Build
}
public Mode mode = Mode.Build;
public int buildStage = 0;
@Override
public SchematicBlockBase getSchematic() {
if (schematic == null) {
return new SchematicMask(false);
} else {
return schematic;
}
}
@Override
public boolean writeToWorld(IBuilderContext context) {
if (internalRequirementRemovalListener != null) {
internalRequirementRemovalListener.remove(this);
}
if (mode == Mode.ClearIfInvalid) {
if (!getSchematic().isAlreadyBuilt(context, x, y, z)) {
if (BuildCraftBuilders.dropBrokenBlocks) {
return BlockUtils.breakBlock((WorldServer) context.world(), x, y, z);
} else {
context.world().setBlockToAir(x, y, z);
return true;
}
}
} else {
try {
getSchematic().placeInWorld(context, x, y, z, stackConsumed);
// This is also slightly hackish, but that's what you get when
// you're unable to break an API too much.
if (!getSchematic().isAlreadyBuilt(context, x, y, z)) {
if (context.world().isAirBlock(x, y, z)) {
return false;
} else if (!(getSchematic() instanceof SchematicBlock)
|| context.world().getBlock(x, y, z).isAssociatedBlock(((SchematicBlock) getSchematic()).block)) {
BCLog.logger.warn("Placed block does not match expectations! Most likely a bug in BuildCraft or a supported mod. Removed mismatched block.");
BCLog.logger.warn("Location: " + x + ", " + y + ", " + z + " - Block: " + Block.blockRegistry.getNameForObject(context.world().getBlock(x, y, z)) + "@" + context.world().getBlockMetadata(x, y, z));
context.world().removeTileEntity(x, y, z);
context.world().setBlockToAir(x, y, z);
return true;
} else {
return false;
}
}
// This is slightly hackish, but it's a very important way to verify
// the stored requirements for anti-cheating purposes.
if (!context.world().isAirBlock(x, y, z) &&
getSchematic().getBuildingPermission() == BuildingPermission.ALL &&
getSchematic() instanceof SchematicBlock) {
SchematicBlock sb = (SchematicBlock) getSchematic();
// Copy the old array of stored requirements.
ItemStack[] oldRequirementsArray = sb.storedRequirements;
List<ItemStack> oldRequirements = Arrays.asList(oldRequirementsArray);
sb.storedRequirements = new ItemStack[0];
sb.storeRequirements(context, x, y, z);
for (ItemStack s : sb.storedRequirements) {
boolean contains = false;
for (ItemStack ss : oldRequirements) {
if (getSchematic().isItemMatchingRequirement(s, ss)) {
contains = true;
break;
}
}
if (!contains) {
BCLog.logger.warn("Blueprint has MISMATCHING REQUIREMENTS! Potential corrupted/hacked blueprint! Removed mismatched block.");
BCLog.logger.warn("Location: " + x + ", " + y + ", " + z + " - ItemStack: " + s.toString());
context.world().removeTileEntity(x, y, z);
context.world().setBlockToAir(x, y, z);
return true;
}
}
// Restore the stored requirements.
sb.storedRequirements = oldRequirementsArray;
}
// Once the schematic has been written, we're going to issue
// calls
// to various functions, in particular updating the tile entity.
// If these calls issue problems, in order to avoid corrupting
// the world, we're logging the problem and setting the block to
// air.
TileEntity e = context.world().getTileEntity(x, y, z);
if (e != null) {
e.updateEntity();
}
return true;
} catch (Throwable t) {
t.printStackTrace();
context.world().setBlockToAir(x, y, z);
return false;
}
}
return false;
}
@Override
public void postProcessing(IBuilderContext context) {
getSchematic().postProcessing(context, x, y, z);
}
@Override
public LinkedList<ItemStack> getRequirements(IBuilderContext context) {
if (mode == Mode.ClearIfInvalid) {
return new LinkedList<ItemStack>();
} else {
LinkedList<ItemStack> req = new LinkedList<ItemStack>();
getSchematic().getRequirementsForPlacement(context, req);
return req;
}
}
@Override
public Position getDestination() {
return new Position(x + 0.5, y + 0.5, z + 0.5);
}
@Override
public void writeCompleted(IBuilderContext context, double complete) {
if (mode == Mode.ClearIfInvalid) {
context.world().destroyBlockInWorldPartially(0, x, y, z,
(int) (complete * 10.0F) - 1);
}
}
@Override
public boolean isAlreadyBuilt(IBuilderContext context) {
return schematic.isAlreadyBuilt(context, x, y, z);
}
@Override
public void writeToNBT(NBTTagCompound nbt, MappingRegistry registry) {
nbt.setByte("mode", (byte) mode.ordinal());
nbt.setInteger("x", x);
nbt.setInteger("y", y);
nbt.setInteger("z", z);
if (schematic != null) {
NBTTagCompound schematicNBT = new NBTTagCompound();
SchematicFactory.getFactory(schematic.getClass())
.saveSchematicToWorldNBT(schematicNBT, schematic, registry);
nbt.setTag("schematic", schematicNBT);
}
NBTTagList nbtStacks = new NBTTagList();
if (stackConsumed != null) {
for (ItemStack stack : stackConsumed) {
NBTTagCompound nbtStack = new NBTTagCompound();
stack.writeToNBT(nbtStack);
nbtStacks.appendTag(nbtStack);
}
}
nbt.setTag("stackConsumed", nbtStacks);
}
@Override
public void readFromNBT(NBTTagCompound nbt, MappingRegistry registry) throws MappingNotFoundException {
mode = Mode.values()[nbt.getByte("mode")];
x = nbt.getInteger("x");
y = nbt.getInteger("y");
z = nbt.getInteger("z");
if (nbt.hasKey("schematic")) {
schematic = (SchematicBlockBase) SchematicFactory
.createSchematicFromWorldNBT(nbt.getCompoundTag("schematic"), registry);
}
stackConsumed = new LinkedList<ItemStack>();
NBTTagList nbtStacks = nbt.getTagList("stackConsumed", Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < nbtStacks.tagCount(); ++i) {
stackConsumed.add(ItemStack.loadItemStackFromNBT(nbtStacks
.getCompoundTagAt(i)));
}
}
@Override
public List<ItemStack> getStacksToDisplay() {
if (mode == Mode.ClearIfInvalid) {
return stackConsumed;
} else {
return getSchematic().getStacksToDisplay(stackConsumed);
}
}
@Override
public int getEnergyRequirement() {
return schematic.getEnergyRequirement(stackConsumed);
}
@Override
public int buildTime() {
if (schematic == null) {
return 1;
} else {
return schematic.buildTime();
}
}
}