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package com.detrav.events;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import gregtech.api.items.GT_Generic_Item;
import net.minecraft.block.Block;
//import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S23PacketBlockChange;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraft.world.WorldSettings;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.world.BlockEvent;
/**
* Created by wital_000 on 13.04.2016.
*/
public class DetravBlockBreakEventHandler {
@SubscribeEvent
public void onBreakBlock(BlockEvent.BreakEvent ev) {
if (ev.isCanceled())
return;
if (ev instanceof DetravBlockBreakEvent)
return;
if (!ev.world.isRemote) {
EntityPlayer player = ev.getPlayer();
if ((player instanceof EntityPlayerMP) && ((EntityPlayerMP) player).theItemInWorldManager.getGameType() != WorldSettings.GameType.SURVIVAL)
return;
if (player.capabilities.isCreativeMode)
return;
NBTTagCompound entityData = player.getEntityData();
long minningMode = entityData.getLong("detrav.minning.mode");
if (minningMode == 0) return;
int side = 0;
switch ((int) minningMode) {
case 1:
Vec3 vec3 = Vec3.createVectorHelper(player.posX, player.posY + 1.62f, player.posZ);
Vec3 vec31 = ev.getPlayer().getLook(1.0F);
Vec3 vec32 = vec3.addVector(vec31.xCoord * 4.5F, vec31.yCoord * 4.5F, vec31.zCoord * 4.5F);
side = rayTrace(ev.world, ev.block, ev.blockMetadata, vec3, vec32, ev.x, ev.y, ev.z, false, false, true);
break;
case 2:
side = 0;
break;
case 3:
float rotationYaw = ev.getPlayer().rotationYaw;
while (rotationYaw > 0) rotationYaw -= 360F;
while (rotationYaw < -360) rotationYaw += 360F;
if ((-135 <= rotationYaw && rotationYaw <= -45) || (-315 <= rotationYaw && rotationYaw <= -225))
side = 4;
else if ((-225 <= rotationYaw && rotationYaw <= -135) || -45 <= rotationYaw || rotationYaw <= -315)
side = 2;
else side = -1;
break;
}
//ev.getPlayer().addChatMessage(new ChatComponentText(ev.block.getLocalizedName() + " | " + ev.getPlayer().rotationYaw + " | " + ev.getPlayer().rotationPitch));
//ev.getPlayer().addChatMessage(new ChatComponentText(ev.block.getLocalizedName() + " | " + side));
if (minningMode < 4)
switch (side) {
case 0:
case 1:
// if (ev.getPlayer().rotationPitch > 45 || ev.getPlayer().rotationPitch < -45) {
for (int i = ev.x - 1; i <= ev.x + 1; i++)
for (int j = ev.z - 1; j <= ev.z + 1; j++)
if (i != ev.x || j != ev.z)
tryHarvestBlock(i, ev.y, j, ev);
break;
// and (-45 > x > -135) and (-135 > x > -225) and (-225 > x > -315) or (-315 > x > -45)
// } else if ((-135 <= ev.getPlayer().rotationYaw && ev.getPlayer().rotationYaw <= -45) || (-315 <= ev.getPlayer().rotationYaw && ev.getPlayer().rotationYaw <= -225)) {
case 4:
case 5:
for (int i = ev.z - 1; i <= ev.z + 1; i++)
for (int j = ev.y - 1; j <= ev.y + 1; j++)
if (i != ev.z || j != ev.y)
tryHarvestBlock(ev.x, j, i, ev);
break;
// } else if ((-225 <= ev.getPlayer().rotationYaw && ev.getPlayer().rotationYaw <= -135) || -45 <= ev.getPlayer().rotationYaw || ev.getPlayer().rotationYaw <= -315) {
case 2:
case 3:
for (int i = ev.x - 1; i <= ev.x + 1; i++)
for (int j = ev.y - 1; j <= ev.y + 1; j++)
if (i != ev.x || j != ev.y)
tryHarvestBlock(i, j, ev.z, ev);
break;
// } else
// ev.getPlayer().addChatMessage(new ChatComponentText("Unknown | yaw = " + ev.getPlayer().rotationYaw + " | pitch = " + ev.getPlayer().rotationPitch));
}
else {
// if (ev.getPlayer().rotationPitch > 45 || ev.getPlayer().rotationPitch < -45) {
for (int i = ev.x - 1; i <= ev.x + 1; i++)
for (int j = ev.y - 1; j <= ev.y + 1; j++)
for (int k = ev.z - 1; k <= ev.z + 1; k++)
if (i != ev.x || j != ev.y || k != ev.z)
if (ev.block == ev.world.getBlock(i, j, k) && (ev.blockMetadata == ev.world.getBlockMetadata(i, j, k)))
tryHarvestBlock(i, j, k, ev);
}
}
}
static private boolean tryHarvestBlock(int x, int y, int z, BlockEvent.BreakEvent event2) {
if (!(event2.getPlayer() instanceof EntityPlayerMP))
return false;//если это не игрок то выходим
EntityPlayer thisPlayerMP = event2.getPlayer();
ItemStack stack = thisPlayerMP.getCurrentEquippedItem();
//получаем текущий тулс
if (stack == null) return false;
//выходим если в руках ничего нет
World theWorld = event2.world;
Block block = theWorld.getBlock(x, y, z);
//int blockMetadata = theWorld.getBlockMetadata(x, y, z);
// dirt and pickaxe -> if(true && false) -> exit
// dirt and shovel -> if(true && false) -> exit
//чекаем может ли предмет добыть блок
//херня какаято с этими названиями функций
//thisPlayerMP.addChatMessage(new ChatComponentText("Mining Speed: " + stack.getItem().getDigSpeed(stack,block,blockMetadata)));
if (!isToolEffective(stack, theWorld, x, y, z))
return false;
int blockMetadata = theWorld.getBlockMetadata(x, y, z);
if ((stack.getItem() instanceof GT_Generic_Item) && !(stack.getItem().getDigSpeed(stack, block, blockMetadata) > 0.0F))
return false;
BlockEvent.BreakEvent event = onDetravBlockBreakEvent(event2.world, WorldSettings.GameType.SURVIVAL, (EntityPlayerMP) event2.getPlayer(), x, y, z);
if (event.isCanceled())
return false;
if (stack != null && stack.getItem().onBlockStartBreak(stack, x, y, z, thisPlayerMP)) {
return false;
}
theWorld.playAuxSFXAtEntity(thisPlayerMP, 2001, x, y, z, Block.getIdFromBlock(block) + (theWorld.getBlockMetadata(x, y, z) << 12));
boolean flag = false;
ItemStack itemstack = thisPlayerMP.getCurrentEquippedItem();
boolean flag1 = block.canHarvestBlock(thisPlayerMP, blockMetadata);
if (itemstack != null) {
itemstack.func_150999_a(theWorld, block, x, y, z, thisPlayerMP);
if (itemstack.stackSize == 0) {
thisPlayerMP.destroyCurrentEquippedItem();
}
}
flag = removeBlock(x, y, z, flag1, event);
if (flag && flag1) {
block.harvestBlock(theWorld, thisPlayerMP, x, y, z, blockMetadata);
}
if (flag && event != null) {
block.dropXpOnBlockBreak(theWorld, x, y, z, event.getExpToDrop());
}
return flag;
}
static private boolean removeBlock(int x, int y, int z, boolean canHarvest, BlockEvent.BreakEvent event) {
World theWorld = event.world;
EntityPlayer thisPlayerMP = event.getPlayer();
Block block = theWorld.getBlock(x, y, z);
int l = theWorld.getBlockMetadata(x, y, z);
block.onBlockHarvested(theWorld, x, y, z, l, thisPlayerMP);
boolean flag = block.removedByPlayer(theWorld, thisPlayerMP, x, y, z, canHarvest);
if (flag) {
block.onBlockDestroyedByPlayer(theWorld, x, y, z, l);
}
return flag;
}
public static BlockEvent.BreakEvent onDetravBlockBreakEvent(World world, WorldSettings.GameType gameType, EntityPlayerMP entityPlayer, int x, int y, int z) {
// Logic from tryHarvestBlock for pre-canceling the event
boolean preCancelEvent = false;
if (gameType.isAdventure() && !entityPlayer.isCurrentToolAdventureModeExempt(x, y, z)) {
preCancelEvent = true;
} else if (gameType.isCreative() && entityPlayer.getHeldItem() != null && entityPlayer.getHeldItem().getItem() instanceof ItemSword) {
preCancelEvent = true;
}
// Tell client the block is gone immediately then process events
if (world.getTileEntity(x, y, z) == null) {
S23PacketBlockChange packet = new S23PacketBlockChange(x, y, z, world);
packet.field_148883_d = Blocks.air;
packet.field_148884_e = 0;
entityPlayer.playerNetServerHandler.sendPacket(packet);
}
// Post the block break event
Block block = world.getBlock(x, y, z);
int blockMetadata = world.getBlockMetadata(x, y, z);
BlockEvent.BreakEvent event = new DetravBlockBreakEvent(x, y, z, world, block, blockMetadata, entityPlayer);
event.setCanceled(preCancelEvent);
MinecraftForge.EVENT_BUS.post(event);
// Handle if the event is canceled
if (event.isCanceled()) {
// Let the client know the block still exists
entityPlayer.playerNetServerHandler.sendPacket(new S23PacketBlockChange(x, y, z, world));
// Update any tile entity data for this block
TileEntity tileentity = world.getTileEntity(x, y, z);
if (tileentity != null) {
Packet pkt = tileentity.getDescriptionPacket();
if (pkt != null) {
entityPlayer.playerNetServerHandler.sendPacket(pkt);
}
}
}
return event;
}
static int rayTrace(World w, Block block, int blockMetadata, Vec3 playerPos, Vec3 lookAtPos, int xBlock, int yBlock, int zBlock, boolean unknownVar1, boolean unknownVar2, boolean unknownVar3) {
if (!Double.isNaN(playerPos.xCoord) && !Double.isNaN(playerPos.yCoord) && !Double.isNaN(playerPos.zCoord))
if (!Double.isNaN(lookAtPos.xCoord) && !Double.isNaN(lookAtPos.yCoord) && !Double.isNaN(lookAtPos.zCoord)) {
if ((!unknownVar2 || block.getCollisionBoundingBoxFromPool(w, xBlock, yBlock, zBlock) != null) && block.canCollideCheck(blockMetadata, unknownVar1)) {
MovingObjectPosition movingobjectposition = block.collisionRayTrace(w, xBlock, yBlock, zBlock, playerPos, lookAtPos);
if (movingobjectposition != null) {
return movingobjectposition.sideHit;
}
}
return -1;
}
return -1;
}
static boolean inited = false;
public static void register() {
if (!inited) {
inited = true;
DetravBlockBreakEventHandler handler = new DetravBlockBreakEventHandler();
MinecraftForge.EVENT_BUS.register(handler);
FMLCommonHandler.instance().bus().register(handler);
}
}
public static boolean isToolEffective(ItemStack stack, World world, int x, int y, int z) {
Block block = world.getBlock(x, y, z);
if (block.getBlockHardness(world, x, y, z) < 0) //unbreakable
return false;
else
return isToolEffective(stack, block, world.getBlockMetadata(x, y, z)) || block.getBlockHardness(world, x, y, z) == 0;
}
public static boolean isToolEffective(ItemStack stack, Block block, int meta) {
if (block == null)
return false;
if (stack != null) {
for (String toolClass : stack.getItem().getToolClasses(stack)) {
if (toolClass.equals(block.getHarvestTool(meta)))
return stack.getItem().getHarvestLevel(stack, toolClass) >= block.getHarvestLevel(meta);
}
return stack.getItem().canHarvestBlock(block, stack);
}
return false;
}
}
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