PlayerControllerMP.java

package net.minecraft.client.multiplayer;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.EntityClientPlayerMP;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.network.packet.Packet102WindowClick;
import net.minecraft.network.packet.Packet107CreativeSetSlot;
import net.minecraft.network.packet.Packet108EnchantItem;
import net.minecraft.network.packet.Packet14BlockDig;
import net.minecraft.network.packet.Packet15Place;
import net.minecraft.network.packet.Packet16BlockItemSwitch;
import net.minecraft.network.packet.Packet7UseEntity;
import net.minecraft.util.Vec3;
import net.minecraft.world.EnumGameType;
import net.minecraft.world.World;

import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.PlayerDestroyItemEvent;

@SideOnly(Side.CLIENT)
public class PlayerControllerMP
{
    /** The Minecraft instance. */
    private final Minecraft mc;
    private final NetClientHandler netClientHandler;

    /** PosX of the current block being destroyed */
    private int currentBlockX = -1;

    /** PosY of the current block being destroyed */
    private int currentBlockY = -1;

    /** PosZ of the current block being destroyed */
    private int currentblockZ = -1;
    private ItemStack field_85183_f = null;

    /** Current block damage (MP) */
    private float curBlockDamageMP = 0.0F;

    /**
     * Tick counter, when it hits 4 it resets back to 0 and plays the step sound
     */
    private float stepSoundTickCounter = 0.0F;

    /**
     * Delays the first damage on the block after the first click on the block
     */
    private int blockHitDelay = 0;

    /** Tells if the player is hitting a block */
    private boolean isHittingBlock = false;

    /** Current game type for the player */
    private EnumGameType currentGameType;

    /** Index of the current item held by the player in the inventory hotbar */
    private int currentPlayerItem;

    public PlayerControllerMP(Minecraft par1Minecraft, NetClientHandler par2NetClientHandler)
    {
        this.currentGameType = EnumGameType.SURVIVAL;
        this.currentPlayerItem = 0;
        this.mc = par1Minecraft;
        this.netClientHandler = par2NetClientHandler;
    }

    /**
     * Block dig operation in creative mode (instantly digs the block).
     */
    public static void clickBlockCreative(Minecraft par0Minecraft, PlayerControllerMP par1PlayerControllerMP, int par2, int par3, int par4, int par5)
    {
        if (!par0Minecraft.theWorld.extinguishFire(par0Minecraft.thePlayer, par2, par3, par4, par5))
        {
            par1PlayerControllerMP.onPlayerDestroyBlock(par2, par3, par4, par5);
        }
    }

    /**
     * Sets player capabilities depending on current gametype. params: player
     */
    public void setPlayerCapabilities(EntityPlayer par1EntityPlayer)
    {
        this.currentGameType.configurePlayerCapabilities(par1EntityPlayer.capabilities);
    }

    /**
     * If modified to return true, the player spins around slowly around (0, 68.5, 0). The GUI is disabled, the view is
     * set to first person, and both chat and menu are disabled. Unless the server is modified to ignore illegal
     * stances, attempting to enter a world at all will result in an immediate kick due to an illegal stance. Appears to
     * be left-over debug, or demo code.
     */
    public boolean enableEverythingIsScrewedUpMode()
    {
        return false;
    }

    /**
     * Sets the game type for the player.
     */
    public void setGameType(EnumGameType par1EnumGameType)
    {
        this.currentGameType = par1EnumGameType;
        this.currentGameType.configurePlayerCapabilities(this.mc.thePlayer.capabilities);
    }

    /**
     * Flips the player around. Args: player
     */
    public void flipPlayer(EntityPlayer par1EntityPlayer)
    {
        par1EntityPlayer.rotationYaw = -180.0F;
    }

    public boolean shouldDrawHUD()
    {
        return this.currentGameType.isSurvivalOrAdventure();
    }

    /**
     * Called when a player completes the destruction of a block
     */
    public boolean onPlayerDestroyBlock(int par1, int par2, int par3, int par4)
    {
        ItemStack stack = mc.thePlayer.getCurrentEquippedItem();
        if (stack != null && stack.getItem() != null && stack.getItem().onBlockStartBreak(stack, par1, par2, par3, mc.thePlayer))
        {
            return false;
        }

        if (this.currentGameType.isAdventure() && !this.mc.thePlayer.canCurrentToolHarvestBlock(par1, par2, par3))
        {
            return false;
        }
        else
        {
            WorldClient worldclient = this.mc.theWorld;
            Block block = Block.blocksList[worldclient.getBlockId(par1, par2, par3)];

            if (block == null)
            {
                return false;
            }
            else
            {
                worldclient.playAuxSFX(2001, par1, par2, par3, block.blockID + (worldclient.getBlockMetadata(par1, par2, par3) << 12));
                int i1 = worldclient.getBlockMetadata(par1, par2, par3);
                boolean flag = block.removeBlockByPlayer(worldclient, mc.thePlayer, par1, par2, par3);

                if (flag)
                {
                    block.onBlockDestroyedByPlayer(worldclient, par1, par2, par3, i1);
                }

                this.currentBlockY = -1;

                if (!this.currentGameType.isCreative())
                {
                    ItemStack itemstack = this.mc.thePlayer.getCurrentEquippedItem();

                    if (itemstack != null)
                    {
                        itemstack.onBlockDestroyed(worldclient, block.blockID, par1, par2, par3, this.mc.thePlayer);

                        if (itemstack.stackSize == 0)
                        {
                            this.mc.thePlayer.destroyCurrentEquippedItem();
                        }
                    }
                }

                return flag;
            }
        }
    }

    /**
     * Called by Minecraft class when the player is hitting a block with an item. Args: x, y, z, side
     */
    public void clickBlock(int par1, int par2, int par3, int par4)
    {
        if (!this.currentGameType.isAdventure() || this.mc.thePlayer.canCurrentToolHarvestBlock(par1, par2, par3))
        {
            if (this.currentGameType.isCreative())
            {
                this.netClientHandler.addToSendQueue(new Packet14BlockDig(0, par1, par2, par3, par4));
                clickBlockCreative(this.mc, this, par1, par2, par3, par4);
                this.blockHitDelay = 5;
            }
            else if (!this.isHittingBlock || !this.sameToolAndBlock(par1, par2, par3))
            {
                if (this.isHittingBlock)
                {
                    this.netClientHandler.addToSendQueue(new Packet14BlockDig(1, this.currentBlockX, this.currentBlockY, this.currentblockZ, par4));
                }

                this.netClientHandler.addToSendQueue(new Packet14BlockDig(0, par1, par2, par3, par4));
                int i1 = this.mc.theWorld.getBlockId(par1, par2, par3);

                if (i1 > 0 && this.curBlockDamageMP == 0.0F)
                {
                    Block.blocksList[i1].onBlockClicked(this.mc.theWorld, par1, par2, par3, this.mc.thePlayer);
                }

                if (i1 > 0 && Block.blocksList[i1].getPlayerRelativeBlockHardness(this.mc.thePlayer, this.mc.thePlayer.worldObj, par1, par2, par3) >= 1.0F)
                {
                    this.onPlayerDestroyBlock(par1, par2, par3, par4);
                }
                else
                {
                    this.isHittingBlock = true;
                    this.currentBlockX = par1;
                    this.currentBlockY = par2;
                    this.currentblockZ = par3;
                    this.field_85183_f = this.mc.thePlayer.getHeldItem();
                    this.curBlockDamageMP = 0.0F;
                    this.stepSoundTickCounter = 0.0F;
                    this.mc.theWorld.destroyBlockInWorldPartially(this.mc.thePlayer.entityId, this.currentBlockX, this.currentBlockY, this.currentblockZ, (int)(this.curBlockDamageMP * 10.0F) - 1);
                }
            }
        }
    }

    /**
     * Resets current block damage and isHittingBlock
     */
    public void resetBlockRemoving()
    {
        if (this.isHittingBlock)
        {
            this.netClientHandler.addToSendQueue(new Packet14BlockDig(1, this.currentBlockX, this.currentBlockY, this.currentblockZ, -1));
        }

        this.isHittingBlock = false;
        this.curBlockDamageMP = 0.0F;
        this.mc.theWorld.destroyBlockInWorldPartially(this.mc.thePlayer.entityId, this.currentBlockX, this.currentBlockY, this.currentblockZ, -1);
    }

    /**
     * Called when a player damages a block and updates damage counters
     */
    public void onPlayerDamageBlock(int par1, int par2, int par3, int par4)
    {
        this.syncCurrentPlayItem();

        if (this.blockHitDelay > 0)
        {
            --this.blockHitDelay;
        }
        else if (this.currentGameType.isCreative())
        {
            this.blockHitDelay = 5;
            this.netClientHandler.addToSendQueue(new Packet14BlockDig(0, par1, par2, par3, par4));
            clickBlockCreative(this.mc, this, par1, par2, par3, par4);
        }
        else
        {
            if (this.sameToolAndBlock(par1, par2, par3))
            {
                int i1 = this.mc.theWorld.getBlockId(par1, par2, par3);

                if (i1 == 0)
                {
                    this.isHittingBlock = false;
                    return;
                }

                Block block = Block.blocksList[i1];
                this.curBlockDamageMP += block.getPlayerRelativeBlockHardness(this.mc.thePlayer, this.mc.thePlayer.worldObj, par1, par2, par3);

                if (this.stepSoundTickCounter % 4.0F == 0.0F && block != null)
                {
                    this.mc.sndManager.playSound(block.stepSound.getStepSound(), (float)par1 + 0.5F, (float)par2 + 0.5F, (float)par3 + 0.5F, (block.stepSound.getVolume() + 1.0F) / 8.0F, block.stepSound.getPitch() * 0.5F);
                }

                ++this.stepSoundTickCounter;

                if (this.curBlockDamageMP >= 1.0F)
                {
                    this.isHittingBlock = false;
                    this.netClientHandler.addToSendQueue(new Packet14BlockDig(2, par1, par2, par3, par4));
                    this.onPlayerDestroyBlock(par1, par2, par3, par4);
                    this.curBlockDamageMP = 0.0F;
                    this.stepSoundTickCounter = 0.0F;
                    this.blockHitDelay = 5;
                }

                this.mc.theWorld.destroyBlockInWorldPartially(this.mc.thePlayer.entityId, this.currentBlockX, this.currentBlockY, this.currentblockZ, (int)(this.curBlockDamageMP * 10.0F) - 1);
            }
            else
            {
                this.clickBlock(par1, par2, par3, par4);
            }
        }
    }

    /**
     * player reach distance = 4F
     */
    public float getBlockReachDistance()
    {
        return this.currentGameType.isCreative() ? 5.0F : 4.5F;
    }

    public void updateController()
    {
        this.syncCurrentPlayItem();
        this.mc.sndManager.playRandomMusicIfReady();
    }

    private boolean sameToolAndBlock(int par1, int par2, int par3)
    {
        ItemStack itemstack = this.mc.thePlayer.getHeldItem();
        boolean flag = this.field_85183_f == null && itemstack == null;

        if (this.field_85183_f != null && itemstack != null)
        {
            flag = itemstack.itemID == this.field_85183_f.itemID && ItemStack.areItemStackTagsEqual(itemstack, this.field_85183_f) && (itemstack.isItemStackDamageable() || itemstack.getItemDamage() == this.field_85183_f.getItemDamage());
        }

        return par1 == this.currentBlockX && par2 == this.currentBlockY && par3 == this.currentblockZ && flag;
    }

    /**
     * Syncs the current player item with the server
     */
    private void syncCurrentPlayItem()
    {
        int i = this.mc.thePlayer.inventory.currentItem;

        if (i != this.currentPlayerItem)
        {
            this.currentPlayerItem = i;
            this.netClientHandler.addToSendQueue(new Packet16BlockItemSwitch(this.currentPlayerItem));
        }
    }

    /**
     * Handles a players right click. Args: player, world, x, y, z, side, hitVec
     */
    public boolean onPlayerRightClick(EntityPlayer par1EntityPlayer, World par2World, ItemStack par3ItemStack, int par4, int par5, int par6, int par7, Vec3 par8Vec3)
    {
        this.syncCurrentPlayItem();
        float f = (float)par8Vec3.xCoord - (float)par4;
        float f1 = (float)par8Vec3.yCoord - (float)par5;
        float f2 = (float)par8Vec3.zCoord - (float)par6;
        boolean flag = false;
        int i1;
        if (par3ItemStack != null &&
            par3ItemStack.getItem() != null &&
            par3ItemStack.getItem().onItemUseFirst(par3ItemStack, par1EntityPlayer, par2World, par4, par5, par6, par7, f, f1, f2))
        {
                return true;
        }

        if (!par1EntityPlayer.isSneaking() || par1EntityPlayer.getHeldItem() == null)
        {
            i1 = par2World.getBlockId(par4, par5, par6);

            if (i1 > 0 && Block.blocksList[i1].onBlockActivated(par2World, par4, par5, par6, par1EntityPlayer, par7, f, f1, f2))
            {
                flag = true;
            }
        }

        if (!flag && par3ItemStack != null && par3ItemStack.getItem() instanceof ItemBlock)
        {
            ItemBlock itemblock = (ItemBlock)par3ItemStack.getItem();

            if (!itemblock.canPlaceItemBlockOnSide(par2World, par4, par5, par6, par7, par1EntityPlayer, par3ItemStack))
            {
                return false;
            }
        }

        this.netClientHandler.addToSendQueue(new Packet15Place(par4, par5, par6, par7, par1EntityPlayer.inventory.getCurrentItem(), f, f1, f2));

        if (flag)
        {
            return true;
        }
        else if (par3ItemStack == null)
        {
            return false;
        }
        else if (this.currentGameType.isCreative())
        {
            i1 = par3ItemStack.getItemDamage();
            int j1 = par3ItemStack.stackSize;
            boolean flag1 = par3ItemStack.tryPlaceItemIntoWorld(par1EntityPlayer, par2World, par4, par5, par6, par7, f, f1, f2);
            par3ItemStack.setItemDamage(i1);
            par3ItemStack.stackSize = j1;
            return flag1;
        }
        else
        {
            if (!par3ItemStack.tryPlaceItemIntoWorld(par1EntityPlayer, par2World, par4, par5, par6, par7, f, f1, f2))
            {
                return false;
            }
            if (par3ItemStack.stackSize <= 0)
            {
                MinecraftForge.EVENT_BUS.post(new PlayerDestroyItemEvent(par1EntityPlayer, par3ItemStack));
            }
            return true;
        }
    }

    /**
     * Notifies the server of things like consuming food, etc...
     */
    public boolean sendUseItem(EntityPlayer par1EntityPlayer, World par2World, ItemStack par3ItemStack)
    {
        this.syncCurrentPlayItem();
        this.netClientHandler.addToSendQueue(new Packet15Place(-1, -1, -1, 255, par1EntityPlayer.inventory.getCurrentItem(), 0.0F, 0.0F, 0.0F));
        int i = par3ItemStack.stackSize;
        ItemStack itemstack1 = par3ItemStack.useItemRightClick(par2World, par1EntityPlayer);

        if (itemstack1 == par3ItemStack && (itemstack1 == null || itemstack1.stackSize == i))
        {
            return false;
        }
        else
        {
            par1EntityPlayer.inventory.mainInventory[par1EntityPlayer.inventory.currentItem] = itemstack1;

            if (itemstack1.stackSize <= 0)
            {
                par1EntityPlayer.inventory.mainInventory[par1EntityPlayer.inventory.currentItem] = null;
                MinecraftForge.EVENT_BUS.post(new PlayerDestroyItemEvent(par1EntityPlayer, itemstack1));
            }

            return true;
        }
    }

    public EntityClientPlayerMP func_78754_a(World par1World)
    {
        return new EntityClientPlayerMP(this.mc, par1World, this.mc.session, this.netClientHandler);
    }

    /**
     * Attacks an entity
     */
    public void attackEntity(EntityPlayer par1EntityPlayer, Entity par2Entity)
    {
        this.syncCurrentPlayItem();
        this.netClientHandler.addToSendQueue(new Packet7UseEntity(par1EntityPlayer.entityId, par2Entity.entityId, 1));
        par1EntityPlayer.attackTargetEntityWithCurrentItem(par2Entity);
    }

    public boolean func_78768_b(EntityPlayer par1EntityPlayer, Entity par2Entity)
    {
        this.syncCurrentPlayItem();
        this.netClientHandler.addToSendQueue(new Packet7UseEntity(par1EntityPlayer.entityId, par2Entity.entityId, 0));
        return par1EntityPlayer.interactWith(par2Entity);
    }

    public ItemStack windowClick(int par1, int par2, int par3, int par4, EntityPlayer par5EntityPlayer)
    {
        short short1 = par5EntityPlayer.openContainer.getNextTransactionID(par5EntityPlayer.inventory);
        ItemStack itemstack = par5EntityPlayer.openContainer.slotClick(par2, par3, par4, par5EntityPlayer);
        this.netClientHandler.addToSendQueue(new Packet102WindowClick(par1, par2, par3, par4, itemstack, short1));
        return itemstack;
    }

    /**
     * GuiEnchantment uses this during multiplayer to tell PlayerControllerMP to send a packet indicating the
     * enchantment action the player has taken.
     */
    public void sendEnchantPacket(int par1, int par2)
    {
        this.netClientHandler.addToSendQueue(new Packet108EnchantItem(par1, par2));
    }

    /**
     * Used in PlayerControllerMP to update the server with an ItemStack in a slot.
     */
    public void sendSlotPacket(ItemStack par1ItemStack, int par2)
    {
        if (this.currentGameType.isCreative())
        {
            this.netClientHandler.addToSendQueue(new Packet107CreativeSetSlot(par2, par1ItemStack));
        }
    }

    public void func_78752_a(ItemStack par1ItemStack)
    {
        if (this.currentGameType.isCreative() && par1ItemStack != null)
        {
            this.netClientHandler.addToSendQueue(new Packet107CreativeSetSlot(-1, par1ItemStack));
        }
    }

    public void onStoppedUsingItem(EntityPlayer par1EntityPlayer)
    {
        this.syncCurrentPlayItem();
        this.netClientHandler.addToSendQueue(new Packet14BlockDig(5, 0, 0, 0, 255));
        par1EntityPlayer.stopUsingItem();
    }

    public boolean func_78763_f()
    {
        return true;
    }

    /**
     * Checks if the player is not creative, used for checking if it should break a block instantly
     */
    public boolean isNotCreative()
    {
        return !this.currentGameType.isCreative();
    }

    /**
     * returns true if player is in creative mode
     */
    public boolean isInCreativeMode()
    {
        return this.currentGameType.isCreative();
    }

    /**
     * true for hitting entities far away.
     */
    public boolean extendedReach()
    {
        return this.currentGameType.isCreative();
    }
}