ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/util/WorldUtil.java
2016-11-26 08:58:42 +01:00

396 lines
18 KiB
Java

/*
* This file ("WorldUtil.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.util;
import cofh.api.energy.IEnergyProvider;
import cofh.api.energy.IEnergyReceiver;
import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
import de.ellpeck.actuallyadditions.mod.items.base.ItemEnergy;
import de.ellpeck.actuallyadditions.mod.util.compat.TeslaUtil;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.network.play.client.CPacketPlayerDigging;
import net.minecraft.network.play.server.SPacketBlockChange;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.NonNullList;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.RayTraceResult;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.IPlantable;
import net.minecraftforge.common.util.FakePlayer;
import net.minecraftforge.common.util.FakePlayerFactory;
import net.minecraftforge.energy.CapabilityEnergy;
import net.minecraftforge.energy.IEnergyStorage;
import net.minecraftforge.event.ForgeEventFactory;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
import net.minecraftforge.fluids.capability.IFluidHandler;
import net.minecraftforge.items.CapabilityItemHandler;
import net.minecraftforge.items.IItemHandler;
import java.util.ArrayList;
import java.util.List;
public final class WorldUtil{
public static boolean doItemInteraction(int slotExtract, int slotInsert, TileEntity extract, TileEntity insert, EnumFacing extractSide, EnumFacing insertSide){
if(extract.hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, extractSide) && insert.hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, insertSide)){
IItemHandler extractCap = extract.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, extractSide);
IItemHandler insertCap = insert.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, insertSide);
ItemStack theoreticalExtract = extractCap.extractItem(slotExtract, Integer.MAX_VALUE, true);
if(StackUtil.isValid(theoreticalExtract)){
ItemStack remaining = insertCap.insertItem(slotInsert, theoreticalExtract, false);
if(!ItemStack.areItemStacksEqual(remaining, theoreticalExtract)){
int toExtract = !StackUtil.isValid(remaining) ? StackUtil.getStackSize(theoreticalExtract) : StackUtil.getStackSize(theoreticalExtract)-StackUtil.getStackSize(remaining);
extractCap.extractItem(slotExtract, toExtract, false);
return true;
}
}
}
return false;
}
public static void doEnergyInteraction(TileEntity tileFrom, TileEntity tileTo, EnumFacing sideTo, int maxTransfer){
if(maxTransfer > 0){
if(tileFrom instanceof IEnergyProvider && tileTo instanceof IEnergyReceiver){
IEnergyReceiver handlerTo = (IEnergyReceiver)tileTo;
IEnergyProvider handlerFrom = (IEnergyProvider)tileFrom;
int drain = handlerFrom.extractEnergy(sideTo, maxTransfer, true);
if(drain > 0){
if(handlerTo.canConnectEnergy(sideTo.getOpposite())){
int filled = handlerTo.receiveEnergy(sideTo.getOpposite(), drain, false);
handlerFrom.extractEnergy(sideTo, filled, false);
return;
}
}
}
if(ActuallyAdditions.teslaLoaded){
if(TeslaUtil.doWrappedTeslaRFInteraction(tileFrom, tileTo, sideTo, maxTransfer)){
return;
}
}
if(tileFrom.hasCapability(CapabilityEnergy.ENERGY, sideTo) && tileTo.hasCapability(CapabilityEnergy.ENERGY, sideTo.getOpposite())){
IEnergyStorage handlerFrom = tileFrom.getCapability(CapabilityEnergy.ENERGY, sideTo);
IEnergyStorage handlerTo = tileTo.getCapability(CapabilityEnergy.ENERGY, sideTo.getOpposite());
if(handlerFrom != null && handlerTo != null){
int drain = handlerFrom.extractEnergy(maxTransfer, true);
if(drain > 0){
int filled = handlerTo.receiveEnergy(drain, false);
handlerFrom.extractEnergy(filled, false);
}
}
}
}
}
public static void doFluidInteraction(TileEntity tileFrom, TileEntity tileTo, EnumFacing sideTo, int maxTransfer){
if(maxTransfer > 0){
if(tileFrom.hasCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY, sideTo) && tileTo.hasCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY, sideTo.getOpposite())){
IFluidHandler handlerFrom = tileFrom.getCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY, sideTo);
IFluidHandler handlerTo = tileTo.getCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY, sideTo.getOpposite());
FluidStack drain = handlerFrom.drain(maxTransfer, false);
if(drain != null){
int filled = handlerTo.fill(drain.copy(), true);
handlerFrom.drain(filled, true);
}
}
}
}
/**
* Checks if a given Block with a given Meta is present in given Positions
*
* @param positions The Positions, an array of {xCoord, yCoord, zCoord} arrays containing Positions
* @param block The Block
* @param meta The Meta
* @param world The World
* @return Is every block present?
*/
public static boolean hasBlocksInPlacesGiven(BlockPos[] positions, Block block, int meta, World world){
for(BlockPos pos : positions){
IBlockState state = world.getBlockState(pos);
if(!(state.getBlock() == block && block.getMetaFromState(state) == meta)){
return false;
}
}
return true;
}
public static ItemStack useItemAtSide(EnumFacing side, World world, BlockPos pos, ItemStack stack){
if(world instanceof WorldServer && StackUtil.isValid(stack) && pos != null){
BlockPos offsetPos = pos.offset(side);
IBlockState state = world.getBlockState(offsetPos);
Block block = state.getBlock();
boolean replaceable = block.isReplaceable(world, offsetPos);
//Redstone
if(replaceable && stack.getItem() == Items.REDSTONE){
world.setBlockState(offsetPos, Blocks.REDSTONE_WIRE.getDefaultState(), 2);
return StackUtil.addStackSize(stack, -1);
}
//Plants
if(replaceable && stack.getItem() instanceof IPlantable){
if(((IPlantable)stack.getItem()).getPlant(world, offsetPos).getBlock().canPlaceBlockAt(world, offsetPos)){
if(world.setBlockState(offsetPos, ((IPlantable)stack.getItem()).getPlant(world, offsetPos), 2)){
return StackUtil.addStackSize(stack, -1);
}
}
}
//Everything else
try{
if(world instanceof WorldServer){
FakePlayer fake = FakePlayerFactory.getMinecraft((WorldServer)world);
stack.onItemUse(fake, world, offsetPos, fake.getActiveHand(), side.getOpposite(), 0.5F, 0.5F, 0.5F);
return stack;
}
}
catch(Exception e){
ModUtil.LOGGER.error("Something that places Blocks at "+offsetPos.getX()+", "+offsetPos.getY()+", "+offsetPos.getZ()+" in World "+world.provider.getDimension()+" threw an Exception! Don't let that happen again!", e);
}
}
return stack;
}
public static void dropItemAtSide(EnumFacing side, World world, BlockPos pos, ItemStack stack){
BlockPos coords = pos.offset(side);
EntityItem item = new EntityItem(world, coords.getX()+0.5, coords.getY()+0.5, coords.getZ()+0.5, stack);
item.motionX = 0;
item.motionY = 0;
item.motionZ = 0;
world.spawnEntityInWorld(item);
}
public static EnumFacing getDirectionBySidesInOrder(int side){
switch(side){
case 0:
return EnumFacing.UP;
case 1:
return EnumFacing.DOWN;
case 2:
return EnumFacing.NORTH;
case 3:
return EnumFacing.EAST;
case 4:
return EnumFacing.SOUTH;
default:
return EnumFacing.WEST;
}
}
public static EnumFacing getDirectionByPistonRotation(int meta){
return EnumFacing.values()[meta];
}
public static ArrayList<Material> getMaterialsAround(World world, BlockPos pos){
ArrayList<Material> blocks = new ArrayList<Material>();
blocks.add(world.getBlockState(pos.offset(EnumFacing.NORTH)).getMaterial());
blocks.add(world.getBlockState(pos.offset(EnumFacing.EAST)).getMaterial());
blocks.add(world.getBlockState(pos.offset(EnumFacing.SOUTH)).getMaterial());
blocks.add(world.getBlockState(pos.offset(EnumFacing.WEST)).getMaterial());
return blocks;
}
public static boolean addToInventory(IInventory inventory, List<ItemStack> stacks, boolean actuallyDo, boolean shouldAlwaysWork){
return addToInventory(inventory, stacks, EnumFacing.UP, actuallyDo, shouldAlwaysWork);
}
public static boolean addToInventory(IInventory inventory, List<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
return addToInventory(inventory, 0, inventory.getSizeInventory(), stacks, side, actuallyDo, shouldAlwaysWork);
}
//TODO This is disgusting and has to be updated to the capability system
/**
* Add an ArrayList of ItemStacks to an Array of slots
*
* @param inventory The inventory to try to put the items into
* @param stacks The stacks to be put into the slots (Items don't actually get removed from there!)
* @param side The side to input from
* @param actuallyDo Do it or just test if it works?
* @return Does it work?
*/
public static boolean addToInventory(IInventory inventory, int start, int end, List<ItemStack> stacks, EnumFacing side, boolean actuallyDo, boolean shouldAlwaysWork){
//Copy the slots if just testing to later load them again
ItemStack[] backupSlots = null;
if(!actuallyDo){
backupSlots = new ItemStack[inventory.getSizeInventory()];
for(int i = 0; i < backupSlots.length; i++){
ItemStack stack = inventory.getStackInSlot(i);
backupSlots[i] = StackUtil.validateCopy(stack);
}
}
int working = 0;
for(ItemStack stackToPutIn : stacks){
for(int i = start; i < end; i++){
if(shouldAlwaysWork || ((!(inventory instanceof ISidedInventory) || ((ISidedInventory)inventory).canInsertItem(i, stackToPutIn, side)) && inventory.isItemValidForSlot(i, stackToPutIn))){
ItemStack stackInQuestion = inventory.getStackInSlot(i);
if(StackUtil.isValid(stackToPutIn) && (!StackUtil.isValid(stackInQuestion) || (ItemUtil.canBeStacked(stackInQuestion, stackToPutIn) && stackInQuestion.getMaxStackSize() >= StackUtil.getStackSize(stackInQuestion)+StackUtil.getStackSize(stackToPutIn)))){
if(!StackUtil.isValid(stackInQuestion)){
inventory.setInventorySlotContents(i, stackToPutIn.copy());
}
else{
inventory.setInventorySlotContents(i, StackUtil.addStackSize(stackInQuestion, StackUtil.getStackSize(stackToPutIn)));
}
working++;
break;
}
}
}
}
//Load the slots again
if(!actuallyDo){
for(int i = 0; i < backupSlots.length; i++){
inventory.setInventorySlotContents(i, backupSlots[i]);
}
}
return working >= stacks.size();
}
public static int findFirstFilledSlot(NonNullList<ItemStack> slots){
for(int i = 0; i < slots.size(); i++){
if(StackUtil.isValid(slots.get(i))){
return i;
}
}
return 0;
}
public static RayTraceResult getNearestPositionWithAir(World world, EntityPlayer player, int reach){
return getMovingObjectPosWithReachDistance(world, player, reach, false, false, true);
}
private static RayTraceResult getMovingObjectPosWithReachDistance(World world, EntityPlayer player, double distance, boolean p1, boolean p2, boolean p3){
float f = player.rotationPitch;
float f1 = player.rotationYaw;
double d0 = player.posX;
double d1 = player.posY+(double)player.getEyeHeight();
double d2 = player.posZ;
Vec3d vec3 = new Vec3d(d0, d1, d2);
float f2 = MathHelper.cos(-f1*0.017453292F-(float)Math.PI);
float f3 = MathHelper.sin(-f1*0.017453292F-(float)Math.PI);
float f4 = -MathHelper.cos(-f*0.017453292F);
float f5 = MathHelper.sin(-f*0.017453292F);
float f6 = f3*f4;
float f7 = f2*f4;
Vec3d vec31 = vec3.addVector((double)f6*distance, (double)f5*distance, (double)f7*distance);
return world.rayTraceBlocks(vec3, vec31, p1, p2, p3);
}
public static RayTraceResult getNearestBlockWithDefaultReachDistance(World world, EntityPlayer player){
return getNearestBlockWithDefaultReachDistance(world, player, false, true, false);
}
public static RayTraceResult getNearestBlockWithDefaultReachDistance(World world, EntityPlayer player, boolean stopOnLiquids, boolean ignoreBlockWithoutBoundingBox, boolean returnLastUncollidableBlock){
return getMovingObjectPosWithReachDistance(world, player, player instanceof EntityPlayerMP ? ((EntityPlayerMP)player).interactionManager.getBlockReachDistance() : 5.0D, stopOnLiquids, ignoreBlockWithoutBoundingBox, returnLastUncollidableBlock);
}
//Cobbled together from Tinkers' Construct (with permission, thanks!) and PlayerInteractionManager code.
//Breaking blocks is a hideous pain so yea.
//This doesn't do any additional harvestability checks that the blocks itself don't do!
public static boolean playerHarvestBlock(ItemStack stack, World world, EntityPlayer player, BlockPos pos){
if(world.isAirBlock(pos)){
return false;
}
IBlockState state = world.getBlockState(pos);
Block block = state.getBlock();
if(!world.isRemote){
world.playEvent(player, 2001, pos, Block.getStateId(state));
}
else{
world.playEvent(2001, pos, Block.getStateId(state));
}
if(player.capabilities.isCreativeMode){
block.onBlockHarvested(world, pos, state, player);
if(block.removedByPlayer(state, world, pos, player, false)){
block.onBlockDestroyedByPlayer(world, pos, state);
}
if(!world.isRemote){
if(player instanceof EntityPlayerMP){
((EntityPlayerMP)player).connection.sendPacket(new SPacketBlockChange(world, pos));
}
}
return true;
}
stack.onBlockDestroyed(world, state, pos, player);
if(!world.isRemote){
if(player instanceof EntityPlayerMP){
EntityPlayerMP playerMp = (EntityPlayerMP)player;
int xp = ForgeHooks.onBlockBreakEvent(world, playerMp.interactionManager.getGameType(), playerMp, pos);
if(xp == -1){
return false;
}
TileEntity tileEntity = world.getTileEntity(pos);
if(block.removedByPlayer(state, world, pos, player, true)){
block.onBlockDestroyedByPlayer(world, pos, state);
block.harvestBlock(world, player, pos, state, tileEntity, stack);
block.dropXpOnBlockBreak(world, pos, xp);
}
playerMp.connection.sendPacket(new SPacketBlockChange(world, pos));
return true;
}
}
else{
if(block.removedByPlayer(state, world, pos, player, true)){
block.onBlockDestroyedByPlayer(world, pos, state);
}
if(StackUtil.getStackSize(stack) <= 0 && stack == player.getHeldItemMainhand()){
ForgeEventFactory.onPlayerDestroyItem(player, stack, EnumHand.MAIN_HAND);
player.setHeldItem(EnumHand.MAIN_HAND, null);
}
Minecraft mc = Minecraft.getMinecraft();
mc.getConnection().sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.STOP_DESTROY_BLOCK, pos, mc.objectMouseOver.sideHit));
return true;
}
return false;
}
}