/**
* 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.robotics.ai;
import net.minecraft.block.Block;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.event.ForgeEventFactory;
import buildcraft.api.blueprints.BuilderAPI;
import buildcraft.api.core.BlockIndex;
import buildcraft.api.robots.AIRobot;
import buildcraft.api.robots.EntityRobotBase;
import buildcraft.core.lib.utils.BlockUtils;
public class AIRobotBreak extends AIRobot {
private BlockIndex blockToBreak;
private float blockDamage = 0;
private Block block;
private int meta;
private float hardness;
private float speed;
public AIRobotBreak(EntityRobotBase iRobot) {
super(iRobot);
}
public AIRobotBreak(EntityRobotBase iRobot, BlockIndex iBlockToBreak) {
this(iRobot);
blockToBreak = iBlockToBreak;
}
@Override
public void start() {
robot.aimItemAt(blockToBreak.x, blockToBreak.y, blockToBreak.z);
robot.setItemActive(true);
block = robot.worldObj.getBlock(blockToBreak.x, blockToBreak.y, blockToBreak.z);
meta = robot.worldObj.getBlockMetadata(blockToBreak.x, blockToBreak.y, blockToBreak.z);
hardness = BlockUtils.getBlockHardnessMining(robot.worldObj, blockToBreak.x, blockToBreak.y, blockToBreak.z, block, robot.getHeldItem());
speed = getBreakSpeed(robot, robot.getHeldItem(), block, meta);
}
@Override
public void update() {
if (block == null) {
block = robot.worldObj.getBlock(blockToBreak.x, blockToBreak.y, blockToBreak.z);
if (block == null) {
setSuccess(false);
terminate();
return;
}
meta = robot.worldObj.getBlockMetadata(blockToBreak.x, blockToBreak.y, blockToBreak.z);
hardness = BlockUtils.getBlockHardnessMining(robot.worldObj, blockToBreak.x, blockToBreak.y, blockToBreak.z, block, robot.getHeldItem());
speed = getBreakSpeed(robot, robot.getHeldItem(), block, meta);
}
if (block.isAir(robot.worldObj, blockToBreak.x, blockToBreak.y, blockToBreak.z) || hardness < 0) {
setSuccess(false);
terminate();
return;
}
if (hardness != 0) {
blockDamage += speed / hardness / 30F;
} else {
// Instantly break the block
blockDamage = 1.1F;
}
if (blockDamage > 1.0F) {
robot.worldObj.destroyBlockInWorldPartially(robot.getEntityId(), blockToBreak.x,
blockToBreak.y, blockToBreak.z, -1);
blockDamage = 0;
if (BlockUtils.harvestBlock((WorldServer) robot.worldObj, blockToBreak.x, blockToBreak.y, blockToBreak.z, robot.getHeldItem())) {
robot.worldObj.playAuxSFXAtEntity(null, 2001,
blockToBreak.x, blockToBreak.y, blockToBreak.z,
Block.getIdFromBlock(block) + (meta << 12));
if (robot.getHeldItem() != null) {
robot.getHeldItem().getItem()
.onBlockDestroyed(robot.getHeldItem(), robot.worldObj, block, blockToBreak.x,
blockToBreak.y, blockToBreak.z, robot);
if (robot.getHeldItem().stackSize == 0) {
robot.setItemInUse(null);
}
}
} else {
setSuccess(false);
}
terminate();
} else {
robot.worldObj.destroyBlockInWorldPartially(robot.getEntityId(), blockToBreak.x,
blockToBreak.y, blockToBreak.z, (int) (blockDamage * 10.0F) - 1);
}
}
@Override
public void end() {
robot.setItemActive(false);
robot.worldObj.destroyBlockInWorldPartially(robot.getEntityId(), blockToBreak.x,
blockToBreak.y, blockToBreak.z, -1);
}
private float getBreakSpeed(EntityRobotBase robot, ItemStack usingItem, Block block, int meta) {
ItemStack stack = usingItem;
float f = stack == null ? 1.0F : stack.getItem().getDigSpeed(stack, block, meta);
if (f > 1.0F) {
int i = EnchantmentHelper.getEfficiencyModifier(robot);
if (i > 0) {
float f1 = i * i + 1;
boolean canHarvest = ForgeHooks.canToolHarvestBlock(block, meta, usingItem);
if (!canHarvest && f <= 1.0F) {
f += f1 * 0.08F;
} else {
f += f1;
}
}
}
f = ForgeEventFactory.getBreakSpeed(BlockUtils.getFakePlayerWithTool((WorldServer) robot.worldObj, blockToBreak.x, blockToBreak.y, blockToBreak.z, robot.getHeldItem()),
block, meta, f, blockToBreak.x, blockToBreak.y, blockToBreak.z);
return f < 0 ? 0 : f;
}
@Override
public int getEnergyCost() {
return (int) Math.ceil((float) BuilderAPI.BREAK_ENERGY * 2 / 30.0F);
}
@Override
public boolean canLoadFromNBT() {
return true;
}
@Override
public void writeSelfToNBT(NBTTagCompound nbt) {
super.writeSelfToNBT(nbt);
if (blockToBreak != null) {
NBTTagCompound sub = new NBTTagCompound();
blockToBreak.writeTo(sub);
nbt.setTag("blockToBreak", sub);
}
}
@Override
public void loadSelfFromNBT(NBTTagCompound nbt) {
super.loadSelfFromNBT(nbt);
if (nbt.hasKey("blockToBreak")) {
blockToBreak = new BlockIndex(nbt.getCompoundTag("blockToBreak"));
}
}
}