Adding PLAYER_PICKUP_ITEM event hook

src/main/java/net/minecraft/server/EntityItem.java

@@ -0,0 +1,212 @@
+package net.minecraft.server;
+
+// CraftBukkit start
+import org.bukkit.entity.Item;
+import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerPickupItemEvent;
+// CraftBukkit end
+
+public class EntityItem extends Entity {
+
+    public ItemStack a;
+    private int e;
+    public int b = 0;
+    public int c;
+    private int f = 5;
+    public float d = (float) (Math.random() * 3.141592653589793D * 2.0D);
+
+    public EntityItem(World world, double d0, double d1, double d2, ItemStack itemstack) {
+        super(world);
+        this.a(0.25F, 0.25F);
+        this.height = this.width / 2.0F;
+        this.a(d0, d1, d2);
+        this.a = itemstack;
+        this.yaw = (float) (Math.random() * 360.0D);
+        this.motX = (double) ((float) (Math.random() * 0.20000000298023224D - 0.10000000149011612D));
+        this.motY = 0.20000000298023224D;
+        this.motZ = (double) ((float) (Math.random() * 0.20000000298023224D - 0.10000000149011612D));
+        this.M = false;
+    }
+
+    public EntityItem(World world) {
+        super(world);
+        this.a(0.25F, 0.25F);
+        this.height = this.width / 2.0F;
+    }
+
+    protected void a() {}
+
+    public void b_() {
+        super.b_();
+        if (this.c > 0) {
+            --this.c;
+        }
+
+        this.lastX = this.locX;
+        this.lastY = this.locY;
+        this.lastZ = this.locZ;
+        this.motY -= 0.03999999910593033D;
+        if (this.world.getMaterial(MathHelper.b(this.locX), MathHelper.b(this.locY), MathHelper.b(this.locZ)) == Material.LAVA) {
+            this.motY = 0.20000000298023224D;
+            this.motX = (double) ((this.random.nextFloat() - this.random.nextFloat()) * 0.2F);
+            this.motZ = (double) ((this.random.nextFloat() - this.random.nextFloat()) * 0.2F);
+            this.world.a(this, "random.fizz", 0.4F, 2.0F + this.random.nextFloat() * 0.4F);
+        }
+
+        this.g(this.locX, this.locY, this.locZ);
+        this.c(this.motX, this.motY, this.motZ);
+        float f = 0.98F;
+
+        if (this.onGround) {
+            f = 0.58800006F;
+            int i = this.world.getTypeId(MathHelper.b(this.locX), MathHelper.b(this.boundingBox.b) - 1, MathHelper.b(this.locZ));
+
+            if (i > 0) {
+                f = Block.byId[i].frictionFactor * 0.98F;
+            }
+        }
+
+        this.motX *= (double) f;
+        this.motY *= 0.9800000190734863D;
+        this.motZ *= (double) f;
+        if (this.onGround) {
+            this.motY *= -0.5D;
+        }
+
+        ++this.e;
+        ++this.b;
+        if (this.b >= 6000) {
+            this.q();
+        }
+    }
+
+    public boolean v() {
+        return this.world.a(this.boundingBox, Material.WATER, this);
+    }
+
+    private boolean g(double d0, double d1, double d2) {
+        int i = MathHelper.b(d0);
+        int j = MathHelper.b(d1);
+        int k = MathHelper.b(d2);
+        double d3 = d0 - (double) i;
+        double d4 = d1 - (double) j;
+        double d5 = d2 - (double) k;
+
+        if (Block.o[this.world.getTypeId(i, j, k)]) {
+            boolean flag = !Block.o[this.world.getTypeId(i - 1, j, k)];
+            boolean flag1 = !Block.o[this.world.getTypeId(i + 1, j, k)];
+            boolean flag2 = !Block.o[this.world.getTypeId(i, j - 1, k)];
+            boolean flag3 = !Block.o[this.world.getTypeId(i, j + 1, k)];
+            boolean flag4 = !Block.o[this.world.getTypeId(i, j, k - 1)];
+            boolean flag5 = !Block.o[this.world.getTypeId(i, j, k + 1)];
+            byte b0 = -1;
+            double d6 = 9999.0D;
+
+            if (flag && d3 < d6) {
+                d6 = d3;
+                b0 = 0;
+            }
+
+            if (flag1 && 1.0D - d3 < d6) {
+                d6 = 1.0D - d3;
+                b0 = 1;
+            }
+
+            if (flag2 && d4 < d6) {
+                d6 = d4;
+                b0 = 2;
+            }
+
+            if (flag3 && 1.0D - d4 < d6) {
+                d6 = 1.0D - d4;
+                b0 = 3;
+            }
+
+            if (flag4 && d5 < d6) {
+                d6 = d5;
+                b0 = 4;
+            }
+
+            if (flag5 && 1.0D - d5 < d6) {
+                d6 = 1.0D - d5;
+                b0 = 5;
+            }
+
+            float f = this.random.nextFloat() * 0.2F + 0.1F;
+
+            if (b0 == 0) {
+                this.motX = (double) (-f);
+            }
+
+            if (b0 == 1) {
+                this.motX = (double) f;
+            }
+
+            if (b0 == 2) {
+                this.motY = (double) (-f);
+            }
+
+            if (b0 == 3) {
+                this.motY = (double) f;
+            }
+
+            if (b0 == 4) {
+                this.motZ = (double) (-f);
+            }
+
+            if (b0 == 5) {
+                this.motZ = (double) f;
+            }
+        }
+
+        return false;
+    }
+
+    protected void b(int i) {
+        this.a((Entity) null, i);
+    }
+
+    public boolean a(Entity entity, int i) {
+        this.y();
+        this.f -= i;
+        if (this.f <= 0) {
+            this.q();
+        }
+
+        return false;
+    }
+
+    public void a(NBTTagCompound nbttagcompound) {
+        nbttagcompound.a("Health", (short) ((byte) this.f));
+        nbttagcompound.a("Age", (short) this.b);
+        nbttagcompound.a("Item", this.a.a(new NBTTagCompound()));
+    }
+
+    public void b(NBTTagCompound nbttagcompound) {
+        this.f = nbttagcompound.c("Health") & 255;
+        this.b = nbttagcompound.c("Age");
+        NBTTagCompound nbttagcompound1 = nbttagcompound.j("Item");
+
+        this.a = new ItemStack(nbttagcompound1);
+    }
+
+    public void b(EntityHuman entityhuman) {
+        if (!this.world.isStatic) {
+            int i = this.a.count;
+
+            // CraftBukkit start
+            if (this.c == 0) {
+                Player player = (Player) entityhuman.getBukkitEntity();
+                PlayerPickupItemEvent event = new PlayerPickupItemEvent(player, (Item) this.getBukkitEntity());
+                ((WorldServer)world).getServer().getPluginManager().callEvent(event);
+
+                if (!event.isCancelled() && entityhuman.inventory.a(this.a)) {
+                    this.world.a(this, "random.pop", 0.2F, ((this.random.nextFloat() - this.random.nextFloat()) * 0.7F + 1.0F) * 2.0F);
+                    entityhuman.c(this, i);
+                    this.q();
+                }
+            }
+            // CraftBukkit end
+        }
+    }
+}