package net.minecraft.item;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.block.material.MapColor;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.network.packet.Packet;
import net.minecraft.network.packet.Packet131MapData;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.storage.MapData;
import net.minecraft.world.storage.MapInfo;
public class ItemMap extends ItemMapBase
{
protected ItemMap(int par1)
{
super(par1);
this.setHasSubtypes(true);
}
@SideOnly(Side.CLIENT)
public static MapData getMPMapData(short par0, World par1World)
{
String var2 = "map_" + par0;
MapData var3 = (MapData)par1World.loadItemData(MapData.class, var2);
if (var3 == null)
{
var3 = new MapData(var2);
par1World.setItemData(var2, var3);
}
return var3;
}
public MapData getMapData(ItemStack par1ItemStack, World par2World)
{
String var3 = "map_" + par1ItemStack.getItemDamage();
MapData var4 = (MapData)par2World.loadItemData(MapData.class, var3);
if (var4 == null && !par2World.isRemote)
{
par1ItemStack.setItemDamage(par2World.getUniqueDataId("map"));
var3 = "map_" + par1ItemStack.getItemDamage();
var4 = new MapData(var3);
var4.scale = 3;
int var5 = 128 * (1 << var4.scale);
var4.xCenter = Math.round((float)par2World.getWorldInfo().getSpawnX() / (float)var5) * var5;
var4.zCenter = Math.round((float)(par2World.getWorldInfo().getSpawnZ() / var5)) * var5;
var4.dimension = par2World.provider.dimensionId;
var4.markDirty();
par2World.setItemData(var3, var4);
}
return var4;
}
public void updateMapData(World par1World, Entity par2Entity, MapData par3MapData)
{
if (par1World.provider.dimensionId == par3MapData.dimension && par2Entity instanceof EntityPlayer)
{
short var4 = 128;
short var5 = 128;
int var6 = 1 << par3MapData.scale;
int var7 = par3MapData.xCenter;
int var8 = par3MapData.zCenter;
int var9 = MathHelper.floor_double(par2Entity.posX - (double)var7) / var6 + var4 / 2;
int var10 = MathHelper.floor_double(par2Entity.posZ - (double)var8) / var6 + var5 / 2;
int var11 = 128 / var6;
if (par1World.provider.hasNoSky)
{
var11 /= 2;
}
MapInfo var12 = par3MapData.func_82568_a((EntityPlayer)par2Entity);
++var12.field_82569_d;
for (int var13 = var9 - var11 + 1; var13 < var9 + var11; ++var13)
{
if ((var13 & 15) == (var12.field_82569_d & 15))
{
int var14 = 255;
int var15 = 0;
double var16 = 0.0D;
for (int var18 = var10 - var11 - 1; var18 < var10 + var11; ++var18)
{
if (var13 >= 0 && var18 >= -1 && var13 < var4 && var18 < var5)
{
int var19 = var13 - var9;
int var20 = var18 - var10;
boolean var21 = var19 * var19 + var20 * var20 > (var11 - 2) * (var11 - 2);
int var22 = (var7 / var6 + var13 - var4 / 2) * var6;
int var23 = (var8 / var6 + var18 - var5 / 2) * var6;
int[] var24 = new int[Block.blocksList.length];
Chunk var25 = par1World.getChunkFromBlockCoords(var22, var23);
if (!var25.isEmpty())
{
int var26 = var22 & 15;
int var27 = var23 & 15;
int var28 = 0;
double var29 = 0.0D;
int var31;
int var32;
int var33;
int var36;
if (par1World.provider.hasNoSky)
{
var31 = var22 + var23 * 231871;
var31 = var31 * var31 * 31287121 + var31 * 11;
if ((var31 >> 20 & 1) == 0)
{
var24[Block.dirt.blockID] += 10;
}
else
{
var24[Block.stone.blockID] += 10;
}
var29 = 100.0D;
}
else
{
for (var31 = 0; var31 < var6; ++var31)
{
for (var32 = 0; var32 < var6; ++var32)
{
var33 = var25.getHeightValue(var31 + var26, var32 + var27) + 1;
int var34 = 0;
if (var33 > 1)
{
boolean var35;
do
{
var35 = true;
var34 = var25.getBlockID(var31 + var26, var33 - 1, var32 + var27);
if (var34 == 0)
{
var35 = false;
}
else if (var33 > 0 && var34 > 0 && Block.blocksList[var34].blockMaterial.materialMapColor == MapColor.airColor)
{
var35 = false;
}
if (!var35)
{
--var33;
if (var33 <= 0)
{
break;
}
var34 = var25.getBlockID(var31 + var26, var33 - 1, var32 + var27);
}
}
while (var33 > 0 && !var35);
if (var33 > 0 && var34 != 0 && Block.blocksList[var34].blockMaterial.isLiquid())
{
var36 = var33 - 1;
boolean var37 = false;
int var43;
do
{
var43 = var25.getBlockID(var31 + var26, var36--, var32 + var27);
++var28;
}
while (var36 > 0 && var43 != 0 && Block.blocksList[var43].blockMaterial.isLiquid());
}
}
var29 += (double)var33 / (double)(var6 * var6);
++var24[var34];
}
}
}
var28 /= var6 * var6;
var31 = 0;
var32 = 0;
for (var33 = 0; var33 < Block.blocksList.length; ++var33)
{
if (var24[var33] > var31)
{
var32 = var33;
var31 = var24[var33];
}
}
double var40 = (var29 - var16) * 4.0D / (double)(var6 + 4) + ((double)(var13 + var18 & 1) - 0.5D) * 0.4D;
byte var39 = 1;
if (var40 > 0.6D)
{
var39 = 2;
}
if (var40 < -0.6D)
{
var39 = 0;
}
var36 = 0;
if (var32 > 0)
{
MapColor var42 = Block.blocksList[var32].blockMaterial.materialMapColor;
if (var42 == MapColor.waterColor)
{
var40 = (double)var28 * 0.1D + (double)(var13 + var18 & 1) * 0.2D;
var39 = 1;
if (var40 < 0.5D)
{
var39 = 2;
}
if (var40 > 0.9D)
{
var39 = 0;
}
}
var36 = var42.colorIndex;
}
var16 = var29;
if (var18 >= 0 && var19 * var19 + var20 * var20 < var11 * var11 && (!var21 || (var13 + var18 & 1) != 0))
{
byte var41 = par3MapData.colors[var13 + var18 * var4];
byte var38 = (byte)(var36 * 4 + var39);
if (var41 != var38)
{
if (var14 > var18)
{
var14 = var18;
}
if (var15 < var18)
{
var15 = var18;
}
par3MapData.colors[var13 + var18 * var4] = var38;
}
}
}
}
}
if (var14 <= var15)
{
par3MapData.setColumnDirty(var13, var14, var15);
}
}
}
}
}
/**
* 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 par1ItemStack, World par2World, Entity par3Entity, int par4, boolean par5)
{
if (!par2World.isRemote)
{
MapData var6 = this.getMapData(par1ItemStack, par2World);
if (par3Entity instanceof EntityPlayer)
{
EntityPlayer var7 = (EntityPlayer)par3Entity;
var6.updateVisiblePlayers(var7, par1ItemStack);
}
if (par5)
{
this.updateMapData(par2World, par3Entity, var6);
}
}
}
/**
* returns null if no update is to be sent
*/
public Packet createMapDataPacket(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
{
byte[] var4 = this.getMapData(par1ItemStack, par2World).getUpdatePacketData(par1ItemStack, par2World, par3EntityPlayer);
return var4 == null ? null : new Packet131MapData((short)Item.map.itemID, (short)par1ItemStack.getItemDamage(), var4);
}
/**
* Called when item is crafted/smelted. Used only by maps so far.
*/
public void onCreated(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
{
if (par1ItemStack.hasTagCompound() && par1ItemStack.getTagCompound().getBoolean("map_is_scaling"))
{
MapData var4 = Item.map.getMapData(par1ItemStack, par2World);
par1ItemStack.setItemDamage(par2World.getUniqueDataId("map"));
MapData var5 = new MapData("map_" + par1ItemStack.getItemDamage());
var5.scale = (byte)(var4.scale + 1);
if (var5.scale > 4)
{
var5.scale = 4;
}
var5.xCenter = var4.xCenter;
var5.zCenter = var4.zCenter;
var5.dimension = var4.dimension;
var5.markDirty();
par2World.setItemData("map_" + par1ItemStack.getItemDamage(), var5);
}
}
@SideOnly(Side.CLIENT)
/**
* allows items to add custom lines of information to the mouseover description
*/
public void addInformation(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, List par3List, boolean par4)
{
MapData var5 = this.getMapData(par1ItemStack, par2EntityPlayer.worldObj);
if (par4)
{
if (var5 == null)
{
par3List.add("Unknown map");
}
else
{
par3List.add("Scaling at 1:" + (1 << var5.scale));
par3List.add("(Level " + var5.scale + "/" + 4 + ")");
}
}
}
}