package net.minecraft.item;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Iterables;
import com.google.common.collect.Multisets;
import net.minecraft.block.Block;
import net.minecraft.block.BlockDirt;
import net.minecraft.block.BlockStone;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.network.Packet;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.storage.MapData;
public class ItemMap extends ItemMapBase
{
private static final String __OBFID = "CL_00000047";
protected ItemMap()
{
this.setHasSubtypes(true);
}
public MapData getMapData(ItemStack p_77873_1_, World worldIn)
{
String var3 = "map_" + p_77873_1_.getMetadata();
MapData var4 = (MapData)worldIn.loadItemData(MapData.class, var3);
if (var4 == null && !worldIn.isRemote)
{
p_77873_1_.setItemDamage(worldIn.getUniqueDataId("map"));
var3 = "map_" + p_77873_1_.getMetadata();
var4 = new MapData(var3);
var4.scale = 3;
var4.func_176054_a((double)worldIn.getWorldInfo().getSpawnX(), (double)worldIn.getWorldInfo().getSpawnZ(), var4.scale);
var4.dimension = (byte)worldIn.provider.getDimensionId();
var4.markDirty();
worldIn.setItemData(var3, var4);
}
return var4;
}
public void updateMapData(World worldIn, Entity p_77872_2_, MapData p_77872_3_)
{
if (worldIn.provider.getDimensionId() == p_77872_3_.dimension && p_77872_2_ instanceof EntityPlayer)
{
int var4 = 1 << p_77872_3_.scale;
int var5 = p_77872_3_.xCenter;
int var6 = p_77872_3_.zCenter;
int var7 = MathHelper.floor_double(p_77872_2_.posX - (double)var5) / var4 + 64;
int var8 = MathHelper.floor_double(p_77872_2_.posZ - (double)var6) / var4 + 64;
int var9 = 128 / var4;
if (worldIn.provider.getHasNoSky())
{
var9 /= 2;
}
MapData.MapInfo var10 = p_77872_3_.func_82568_a((EntityPlayer)p_77872_2_);
++var10.field_82569_d;
boolean var11 = false;
for (int var12 = var7 - var9 + 1; var12 < var7 + var9; ++var12)
{
if ((var12 & 15) == (var10.field_82569_d & 15) || var11)
{
var11 = false;
double var13 = 0.0D;
for (int var15 = var8 - var9 - 1; var15 < var8 + var9; ++var15)
{
if (var12 >= 0 && var15 >= -1 && var12 < 128 && var15 < 128)
{
int var16 = var12 - var7;
int var17 = var15 - var8;
boolean var18 = var16 * var16 + var17 * var17 > (var9 - 2) * (var9 - 2);
int var19 = (var5 / var4 + var12 - 64) * var4;
int var20 = (var6 / var4 + var15 - 64) * var4;
HashMultiset var21 = HashMultiset.create();
Chunk var22 = worldIn.getChunkFromBlockCoords(new BlockPos(var19, 0, var20));
if (!var22.isEmpty())
{
int var23 = var19 & 15;
int var24 = var20 & 15;
int var25 = 0;
double var26 = 0.0D;
int var28;
if (worldIn.provider.getHasNoSky())
{
var28 = var19 + var20 * 231871;
var28 = var28 * var28 * 31287121 + var28 * 11;
if ((var28 >> 20 & 1) == 0)
{
var21.add(Blocks.dirt.getMapColor(Blocks.dirt.getDefaultState().withProperty(BlockDirt.VARIANT, BlockDirt.DirtType.DIRT)), 10);
}
else
{
var21.add(Blocks.stone.getMapColor(Blocks.stone.getDefaultState().withProperty(BlockStone.VARIANT_PROP, BlockStone.EnumType.STONE)), 100);
}
var26 = 100.0D;
}
else
{
for (var28 = 0; var28 < var4; ++var28)
{
for (int var29 = 0; var29 < var4; ++var29)
{
int var30 = var22.getHeight(var28 + var23, var29 + var24) + 1;
IBlockState var31 = Blocks.air.getDefaultState();
if (var30 > 1)
{
do
{
--var30;
var31 = var22.getBlockState(new BlockPos(var28 + var23, var30, var29 + var24));
}
while (var31.getBlock().getMapColor(var31) == MapColor.airColor && var30 > 0);
if (var30 > 0 && var31.getBlock().getMaterial().isLiquid())
{
int var32 = var30 - 1;
Block var33;
do
{
var33 = var22.getBlock(var28 + var23, var32--, var29 + var24);
++var25;
}
while (var32 > 0 && var33.getMaterial().isLiquid());
}
}
var26 += (double)var30 / (double)(var4 * var4);
var21.add(var31.getBlock().getMapColor(var31));
}
}
}
var25 /= var4 * var4;
double var34 = (var26 - var13) * 4.0D / (double)(var4 + 4) + ((double)(var12 + var15 & 1) - 0.5D) * 0.4D;
byte var35 = 1;
if (var34 > 0.6D)
{
var35 = 2;
}
if (var34 < -0.6D)
{
var35 = 0;
}
MapColor var36 = (MapColor)Iterables.getFirst(Multisets.copyHighestCountFirst(var21), MapColor.airColor);
if (var36 == MapColor.waterColor)
{
var34 = (double)var25 * 0.1D + (double)(var12 + var15 & 1) * 0.2D;
var35 = 1;
if (var34 < 0.5D)
{
var35 = 2;
}
if (var34 > 0.9D)
{
var35 = 0;
}
}
var13 = var26;
if (var15 >= 0 && var16 * var16 + var17 * var17 < var9 * var9 && (!var18 || (var12 + var15 & 1) != 0))
{
byte var37 = p_77872_3_.colors[var12 + var15 * 128];
byte var38 = (byte)(var36.colorIndex * 4 + var35);
if (var37 != var38)
{
p_77872_3_.colors[var12 + var15 * 128] = var38;
p_77872_3_.func_176053_a(var12, var15);
var11 = true;
}
}
}
}
}
}
}
}
}
/**
* Called each tick as long the item is on a player inventory. Uses by maps to check if is on a player hand and
* update it's contents.
*/
public void onUpdate(ItemStack stack, World worldIn, Entity entityIn, int itemSlot, boolean isSelected)
{
if (!worldIn.isRemote)
{
MapData var6 = this.getMapData(stack, worldIn);
if (entityIn instanceof EntityPlayer)
{
EntityPlayer var7 = (EntityPlayer)entityIn;
var6.updateVisiblePlayers(var7, stack);
}
if (isSelected)
{
this.updateMapData(worldIn, entityIn, var6);
}
}
}
public Packet createMapDataPacket(ItemStack p_150911_1_, World worldIn, EntityPlayer p_150911_3_)
{
return this.getMapData(p_150911_1_, worldIn).func_176052_a(p_150911_1_, worldIn, p_150911_3_);
}
/**
* Called when item is crafted/smelted. Used only by maps so far.
*/
public void onCreated(ItemStack stack, World worldIn, EntityPlayer playerIn)
{
if (stack.hasTagCompound() && stack.getTagCompound().getBoolean("map_is_scaling"))
{
MapData var4 = Items.filled_map.getMapData(stack, worldIn);
stack.setItemDamage(worldIn.getUniqueDataId("map"));
MapData var5 = new MapData("map_" + stack.getMetadata());
var5.scale = (byte)(var4.scale + 1);
if (var5.scale > 4)
{
var5.scale = 4;
}
var5.func_176054_a((double)var4.xCenter, (double)var4.zCenter, var5.scale);
var5.dimension = var4.dimension;
var5.markDirty();
worldIn.setItemData("map_" + stack.getMetadata(), var5);
}
}
}