package net.minecraft.item;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Iterables;
import com.google.common.collect.Multisets;
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.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S34PacketMaps;
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);
}
@SideOnly(Side.CLIENT)
public static MapData loadMapData(int p_150912_0_, World p_150912_1_)
{
String s = "map_" + p_150912_0_;
MapData mapdata = (MapData)p_150912_1_.loadItemData(MapData.class, s);
if (mapdata == null)
{
mapdata = new MapData(s);
p_150912_1_.setItemData(s, mapdata);
}
return mapdata;
}
public MapData getMapData(ItemStack p_77873_1_, World p_77873_2_)
{
String s = "map_" + p_77873_1_.getMetadata();
MapData mapdata = (MapData)p_77873_2_.loadItemData(MapData.class, s);
if (mapdata == null && !p_77873_2_.isRemote)
{
p_77873_1_.setMetadata(p_77873_2_.getUniqueDataId("map"));
s = "map_" + p_77873_1_.getMetadata();
mapdata = new MapData(s);
mapdata.scale = 3;
int i = 128 * (1 << mapdata.scale);
mapdata.xCenter = Math.round((float)p_77873_2_.getWorldInfo().getSpawnX() / (float)i) * i;
mapdata.zCenter = Math.round((float)(p_77873_2_.getWorldInfo().getSpawnZ() / i)) * i;
mapdata.dimension = p_77873_2_.provider.dimensionId;
mapdata.markDirty();
p_77873_2_.setItemData(s, mapdata);
}
return mapdata;
}
public void updateMapData(World p_77872_1_, Entity p_77872_2_, MapData p_77872_3_)
{
if (p_77872_1_.provider.dimensionId == p_77872_3_.dimension && p_77872_2_ instanceof EntityPlayer)
{
int i = 1 << p_77872_3_.scale;
int j = p_77872_3_.xCenter;
int k = p_77872_3_.zCenter;
int l = MathHelper.floor_double(p_77872_2_.posX - (double)j) / i + 64;
int i1 = MathHelper.floor_double(p_77872_2_.posZ - (double)k) / i + 64;
int j1 = 128 / i;
if (p_77872_1_.provider.hasNoSky)
{
j1 /= 2;
}
MapData.MapInfo mapinfo = p_77872_3_.func_82568_a((EntityPlayer)p_77872_2_);
++mapinfo.field_82569_d;
for (int k1 = l - j1 + 1; k1 < l + j1; ++k1)
{
if ((k1 & 15) == (mapinfo.field_82569_d & 15))
{
int l1 = 255;
int i2 = 0;
double d0 = 0.0D;
for (int j2 = i1 - j1 - 1; j2 < i1 + j1; ++j2)
{
if (k1 >= 0 && j2 >= -1 && k1 < 128 && j2 < 128)
{
int k2 = k1 - l;
int l2 = j2 - i1;
boolean flag = k2 * k2 + l2 * l2 > (j1 - 2) * (j1 - 2);
int i3 = (j / i + k1 - 64) * i;
int j3 = (k / i + j2 - 64) * i;
HashMultiset hashmultiset = HashMultiset.create();
Chunk chunk = p_77872_1_.getChunkFromBlockCoords(i3, j3);
if (!chunk.isEmpty())
{
int k3 = i3 & 15;
int l3 = j3 & 15;
int i4 = 0;
double d1 = 0.0D;
int j4;
if (p_77872_1_.provider.hasNoSky)
{
j4 = i3 + j3 * 231871;
j4 = j4 * j4 * 31287121 + j4 * 11;
if ((j4 >> 20 & 1) == 0)
{
hashmultiset.add(Blocks.dirt.getMapColor(0), 10);
}
else
{
hashmultiset.add(Blocks.stone.getMapColor(0), 100);
}
d1 = 100.0D;
}
else
{
for (j4 = 0; j4 < i; ++j4)
{
for (int k4 = 0; k4 < i; ++k4)
{
int l4 = chunk.getHeightValue(j4 + k3, k4 + l3) + 1;
Block block = Blocks.air;
int i5 = 0;
if (l4 > 1)
{
do
{
--l4;
block = chunk.getBlock(j4 + k3, l4, k4 + l3);
i5 = chunk.getBlockMetadata(j4 + k3, l4, k4 + l3);
}
while (block.getMapColor(i5) == MapColor.airColor && l4 > 0);
if (l4 > 0 && block.getMaterial().isLiquid())
{
int j5 = l4 - 1;
Block block1;
do
{
block1 = chunk.getBlock(j4 + k3, j5--, k4 + l3);
++i4;
}
while (j5 > 0 && block1.getMaterial().isLiquid());
}
}
d1 += (double)l4 / (double)(i * i);
hashmultiset.add(block.getMapColor(i5));
}
}
}
i4 /= i * i;
double d2 = (d1 - d0) * 4.0D / (double)(i + 4) + ((double)(k1 + j2 & 1) - 0.5D) * 0.4D;
byte b0 = 1;
if (d2 > 0.6D)
{
b0 = 2;
}
if (d2 < -0.6D)
{
b0 = 0;
}
MapColor mapcolor = (MapColor)Iterables.getFirst(Multisets.copyHighestCountFirst(hashmultiset), MapColor.airColor);
if (mapcolor == MapColor.waterColor)
{
d2 = (double)i4 * 0.1D + (double)(k1 + j2 & 1) * 0.2D;
b0 = 1;
if (d2 < 0.5D)
{
b0 = 2;
}
if (d2 > 0.9D)
{
b0 = 0;
}
}
d0 = d1;
if (j2 >= 0 && k2 * k2 + l2 * l2 < j1 * j1 && (!flag || (k1 + j2 & 1) != 0))
{
byte b1 = p_77872_3_.colors[k1 + j2 * 128];
byte b2 = (byte)(mapcolor.colorIndex * 4 + b0);
if (b1 != b2)
{
if (l1 > j2)
{
l1 = j2;
}
if (i2 < j2)
{
i2 = j2;
}
p_77872_3_.colors[k1 + j2 * 128] = b2;
}
}
}
}
}
if (l1 <= i2)
{
p_77872_3_.setColumnDirty(k1, l1, i2);
}
}
}
}
}
/**
* 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 p_77663_4_, boolean p_77663_5_)
{
if (!worldIn.isRemote)
{
MapData mapdata = this.getMapData(stack, worldIn);
if (entityIn instanceof EntityPlayer)
{
EntityPlayer entityplayer = (EntityPlayer)entityIn;
mapdata.updateVisiblePlayers(entityplayer, stack);
}
if (p_77663_5_)
{
this.updateMapData(worldIn, entityIn, mapdata);
}
}
}
public Packet createMapDataPacket(ItemStack p_150911_1_, World p_150911_2_, EntityPlayer p_150911_3_)
{
byte[] abyte = this.getMapData(p_150911_1_, p_150911_2_).getUpdatePacketData(p_150911_1_, p_150911_2_, p_150911_3_);
return abyte == null ? null : new S34PacketMaps(p_150911_1_.getMetadata(), abyte);
}
/**
* Called when item is crafted/smelted. Used only by maps so far.
*/
public void onCreated(ItemStack p_77622_1_, World p_77622_2_, EntityPlayer p_77622_3_)
{
if (p_77622_1_.hasTagCompound() && p_77622_1_.getTagCompound().getBoolean("map_is_scaling"))
{
MapData mapdata = Items.filled_map.getMapData(p_77622_1_, p_77622_2_);
p_77622_1_.setMetadata(p_77622_2_.getUniqueDataId("map"));
MapData mapdata1 = new MapData("map_" + p_77622_1_.getMetadata());
mapdata1.scale = (byte)(mapdata.scale + 1);
if (mapdata1.scale > 4)
{
mapdata1.scale = 4;
}
mapdata1.xCenter = mapdata.xCenter;
mapdata1.zCenter = mapdata.zCenter;
mapdata1.dimension = mapdata.dimension;
mapdata1.markDirty();
p_77622_2_.setItemData("map_" + p_77622_1_.getMetadata(), mapdata1);
}
}
/**
* allows items to add custom lines of information to the mouseover description
*/
@SideOnly(Side.CLIENT)
public void addInformation(ItemStack p_77624_1_, EntityPlayer p_77624_2_, List p_77624_3_, boolean p_77624_4_)
{
MapData mapdata = this.getMapData(p_77624_1_, p_77624_2_.worldObj);
if (p_77624_4_)
{
if (mapdata == null)
{
p_77624_3_.add("Unknown map");
}
else
{
p_77624_3_.add("Scaling at 1:" + (1 << mapdata.scale));
p_77624_3_.add("(Level " + mapdata.scale + "/" + 4 + ")");
}
}
}
}