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package net.minecraft.server;
import net.minecraft.util.com.google.common.collect.HashMultiset;
import net.minecraft.util.com.google.common.collect.Iterables;
import net.minecraft.util.com.google.common.collect.Multisets;
// CraftBukkit start
import org.bukkit.Bukkit;
import org.bukkit.event.server.MapInitializeEvent;
// CraftBukkit end
public class ItemWorldMap extends ItemWorldMapBase {
protected ItemWorldMap() {
this.a(true);
}
public WorldMap getSavedMap(ItemStack itemstack, World world) {
World worldMain = world.getServer().getServer().worlds.get(0); // CraftBukkit - store reference to primary world
String s = "map_" + itemstack.getData();
WorldMap worldmap = (WorldMap) worldMain.a(WorldMap.class, s); // CraftBukkit - use primary world for maps
if (worldmap == null && !world.isStatic) {
itemstack.setData(worldMain.b("map")); // CraftBukkit - use primary world for maps
s = "map_" + itemstack.getData();
worldmap = new WorldMap(s);
worldmap.scale = 3;
int i = 128 * (1 << worldmap.scale);
worldmap.centerX = Math.round((float) world.getWorldData().c() / (float) i) * i;
worldmap.centerZ = Math.round((float) (world.getWorldData().e() / i)) * i;
worldmap.map = (byte) ((WorldServer) world).dimension; // CraftBukkit - fixes Bukkit multiworld maps
worldmap.c();
worldMain.a(s, (PersistentBase) worldmap); // CraftBukkit - use primary world for maps
// CraftBukkit start
MapInitializeEvent event = new MapInitializeEvent(worldmap.mapView);
Bukkit.getServer().getPluginManager().callEvent(event);
// CraftBukkit end
}
return worldmap;
}
public void a(World world, Entity entity, WorldMap worldmap) {
// CraftBukkit
if (((WorldServer) world).dimension == worldmap.map && entity instanceof EntityHuman) {
int i = 1 << worldmap.scale;
int j = worldmap.centerX;
int k = worldmap.centerZ;
int l = MathHelper.floor(entity.locX - (double) j) / i + 64;
int i1 = MathHelper.floor(entity.locZ - (double) k) / i + 64;
int j1 = 128 / i;
if (world.worldProvider.g) {
j1 /= 2;
}
WorldMapHumanTracker worldmaphumantracker = worldmap.a((EntityHuman) entity);
++worldmaphumantracker.d;
for (int k1 = l - j1 + 1; k1 < l + j1; ++k1) {
if ((k1 & 15) == (worldmaphumantracker.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 = world.getChunkAtWorldCoords(i3, j3);
if (!chunk.isEmpty()) {
int k3 = i3 & 15;
int l3 = j3 & 15;
int i4 = 0;
double d1 = 0.0D;
int j4;
if (world.worldProvider.g) {
j4 = i3 + j3 * 231871;
j4 = j4 * j4 * 31287121 + j4 * 11;
if ((j4 >> 20 & 1) == 0) {
hashmultiset.add(Blocks.DIRT.f(0), 10);
} else {
hashmultiset.add(Blocks.STONE.f(0), 100);
}
d1 = 100.0D;
} else {
for (j4 = 0; j4 < i; ++j4) {
for (int k4 = 0; k4 < i; ++k4) {
int l4 = chunk.b(j4 + k3, k4 + l3) + 1;
Block block = Blocks.AIR;
int i5 = 0;
if (l4 > 1) {
do {
--l4;
block = chunk.getType(j4 + k3, l4, k4 + l3);
i5 = chunk.getData(j4 + k3, l4, k4 + l3);
} while (block.f(i5) == MaterialMapColor.b && l4 > 0);
if (l4 > 0 && block.getMaterial().isLiquid()) {
int j5 = l4 - 1;
Block block1;
do {
block1 = chunk.getType(j4 + k3, j5--, k4 + l3);
++i4;
} while (j5 > 0 && block1.getMaterial().isLiquid());
}
}
d1 += (double) l4 / (double) (i * i);
hashmultiset.add(block.f(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;
}
MaterialMapColor materialmapcolor = (MaterialMapColor) Iterables.getFirst(Multisets.copyHighestCountFirst(hashmultiset), MaterialMapColor.b);
if (materialmapcolor == MaterialMapColor.n) {
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 = worldmap.colors[k1 + j2 * 128];
byte b2 = (byte) (materialmapcolor.M * 4 + b0);
if (b1 != b2) {
if (l1 > j2) {
l1 = j2;
}
if (i2 < j2) {
i2 = j2;
}
worldmap.colors[k1 + j2 * 128] = b2;
}
}
}
}
}
if (l1 <= i2) {
worldmap.flagDirty(k1, l1, i2);
}
}
}
}
}
public void a(ItemStack itemstack, World world, Entity entity, int i, boolean flag) {
if (!world.isStatic) {
WorldMap worldmap = this.getSavedMap(itemstack, world);
if (entity instanceof EntityHuman) {
EntityHuman entityhuman = (EntityHuman) entity;
worldmap.a(entityhuman, itemstack);
}
if (flag) {
this.a(world, entity, worldmap);
}
}
}
public Packet c(ItemStack itemstack, World world, EntityHuman entityhuman) {
byte[] abyte = this.getSavedMap(itemstack, world).getUpdatePacket(itemstack, world, entityhuman);
return abyte == null ? null : new PacketPlayOutMap(itemstack.getData(), abyte);
}
public void d(ItemStack itemstack, World world, EntityHuman entityhuman) {
if (itemstack.hasTag() && itemstack.getTag().getBoolean("map_is_scaling")) {
WorldMap worldmap = Items.MAP.getSavedMap(itemstack, world);
world = world.getServer().getServer().worlds.get(0); // CraftBukkit - use primary world for maps
itemstack.setData(world.b("map"));
WorldMap worldmap1 = new WorldMap("map_" + itemstack.getData());
worldmap1.scale = (byte) (worldmap.scale + 1);
if (worldmap1.scale > 4) {
worldmap1.scale = 4;
}
worldmap1.centerX = worldmap.centerX;
worldmap1.centerZ = worldmap.centerZ;
worldmap1.map = worldmap.map;
worldmap1.c();
world.a("map_" + itemstack.getData(), (PersistentBase) worldmap1);
// CraftBukkit start
MapInitializeEvent event = new MapInitializeEvent(worldmap1.mapView);
Bukkit.getServer().getPluginManager().callEvent(event);
// CraftBukkit end
}
}
}
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