package net.minecraft.server; import java.util.List; // CraftBukkit start import org.bukkit.Location; import org.bukkit.craftbukkit.CraftWorld; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.entity.Vehicle; import org.bukkit.event.vehicle.*; // CraftBukkit end public class EntityMinecart extends Entity implements IInventory { private ItemStack[] items; public int damage; public int b; public int c; private boolean i; public int type; public int e; public double f; public double g; private static final int[][][] matrix = new int[][][] { { { 0, 0, -1}, { 0, 0, 1}}, { { -1, 0, 0}, { 1, 0, 0}}, { { -1, -1, 0}, { 1, 0, 0}}, { { -1, 0, 0}, { 1, -1, 0}}, { { 0, 0, -1}, { 0, -1, 1}}, { { 0, -1, -1}, { 0, 0, 1}}, { { 0, 0, 1}, { 1, 0, 0}}, { { 0, 0, 1}, { -1, 0, 0}}, { { 0, 0, -1}, { -1, 0, 0}}, { { 0, 0, -1}, { 1, 0, 0}}}; private int k; private double l; private double m; private double n; private double o; private double p; // CraftBukkit start public boolean slowWhenEmpty = true; public double derailedX = 0.5; public double derailedY = 0.5; public double derailedZ = 0.5; public double flyingX = 0.95; public double flyingY = 0.95; public double flyingZ = 0.95; public double maxSpeed = 0.4D; public ItemStack[] getContents() { return this.items; } // CraftBukkit end public EntityMinecart(World world) { super(world); this.items = new ItemStack[27]; // CraftBukkit this.damage = 0; this.b = 0; this.c = 1; this.i = false; this.aH = true; this.b(0.98F, 0.7F); this.height = this.width / 2.0F; } protected boolean n() { return false; } protected void b() {} public AxisAlignedBB a_(Entity entity) { return entity.boundingBox; } public AxisAlignedBB e_() { return null; } public boolean d_() { return true; } public EntityMinecart(World world, double d0, double d1, double d2, int i) { this(world); this.setPosition(d0, d1 + (double) this.height, d2); this.motX = 0.0D; this.motY = 0.0D; this.motZ = 0.0D; this.lastX = d0; this.lastY = d1; this.lastZ = d2; this.type = i; // CraftBukkit start CraftServer server = ((WorldServer) this.world).getServer(); Vehicle vehicle = (Vehicle) this.getBukkitEntity(); VehicleCreateEvent event = new VehicleCreateEvent(vehicle); server.getPluginManager().callEvent(event); // CraftBukkit end } public double m() { return (double) this.width * 0.0D - 0.30000001192092896D; } public boolean damageEntity(Entity entity, int i) { if (!this.world.isStatic && !this.dead) { // CraftBukkit start Vehicle vehicle = (Vehicle) this.getBukkitEntity(); org.bukkit.entity.Entity passenger = (entity == null) ? null : entity.getBukkitEntity(); int damage = i; VehicleDamageEvent event = new VehicleDamageEvent(vehicle, passenger, damage); ((WorldServer) this.world).getServer().getPluginManager().callEvent(event); if (event.isCancelled()) { return true; } i = event.getDamage(); // CraftBukkit end this.c = -this.c; this.b = 10; this.ac(); this.damage += i * 10; if (this.damage > 40) { if (this.passenger != null) { this.passenger.mount(this); } // CraftBukkit start VehicleDestroyEvent destroyEvent = new VehicleDestroyEvent(vehicle, passenger); ((WorldServer) this.world).getServer().getPluginManager().callEvent(destroyEvent); if (destroyEvent.isCancelled()) { this.damage = 40; // Maximize damage so this doesn't get triggered again right away return true; } // CraftBukkit end this.die(); this.a(Item.MINECART.id, 1, 0.0F); if (this.type == 1) { EntityMinecart entityminecart = this; for (int j = 0; j < entityminecart.getSize(); ++j) { ItemStack itemstack = entityminecart.getItem(j); if (itemstack != null) { float f = this.random.nextFloat() * 0.8F + 0.1F; float f1 = this.random.nextFloat() * 0.8F + 0.1F; float f2 = this.random.nextFloat() * 0.8F + 0.1F; while (itemstack.count > 0) { int k = this.random.nextInt(21) + 10; if (k > itemstack.count) { k = itemstack.count; } itemstack.count -= k; EntityItem entityitem = new EntityItem(this.world, this.locX + (double) f, this.locY + (double) f1, this.locZ + (double) f2, new ItemStack(itemstack.id, k, itemstack.getData())); float f3 = 0.05F; entityitem.motX = (double) ((float) this.random.nextGaussian() * f3); entityitem.motY = (double) ((float) this.random.nextGaussian() * f3 + 0.2F); entityitem.motZ = (double) ((float) this.random.nextGaussian() * f3); this.world.addEntity(entityitem); } } } this.a(Block.CHEST.id, 1, 0.0F); } else if (this.type == 2) { this.a(Block.FURNACE.id, 1, 0.0F); } } return true; } else { return true; } } public boolean o_() { return !this.dead; } public void die() { for (int i = 0; i < this.getSize(); ++i) { ItemStack itemstack = this.getItem(i); if (itemstack != null) { float f = this.random.nextFloat() * 0.8F + 0.1F; float f1 = this.random.nextFloat() * 0.8F + 0.1F; float f2 = this.random.nextFloat() * 0.8F + 0.1F; while (itemstack.count > 0) { int j = this.random.nextInt(21) + 10; if (j > itemstack.count) { j = itemstack.count; } itemstack.count -= j; EntityItem entityitem = new EntityItem(this.world, this.locX + (double) f, this.locY + (double) f1, this.locZ + (double) f2, new ItemStack(itemstack.id, j, itemstack.getData())); float f3 = 0.05F; entityitem.motX = (double) ((float) this.random.nextGaussian() * f3); entityitem.motY = (double) ((float) this.random.nextGaussian() * f3 + 0.2F); entityitem.motZ = (double) ((float) this.random.nextGaussian() * f3); this.world.addEntity(entityitem); } } } super.die(); } public void p_() { // CraftBukkit start double prevX = this.locX; double prevY = this.locY; double prevZ = this.locZ; float prevYaw = this.yaw; float prevPitch = this.pitch; // CraftBukkit end if (this.b > 0) { --this.b; } if (this.damage > 0) { --this.damage; } double d0; if (this.world.isStatic && this.k > 0) { if (this.k > 0) { double d1 = this.locX + (this.l - this.locX) / (double) this.k; double d2 = this.locY + (this.m - this.locY) / (double) this.k; double d3 = this.locZ + (this.n - this.locZ) / (double) this.k; for (d0 = this.o - (double) this.yaw; d0 < -180.0D; d0 += 360.0D) { ; } while (d0 >= 180.0D) { d0 -= 360.0D; } this.yaw = (float) ((double) this.yaw + d0 / (double) this.k); this.pitch = (float) ((double) this.pitch + (this.p - (double) this.pitch) / (double) this.k); --this.k; this.setPosition(d1, d2, d3); this.c(this.yaw, this.pitch); } else { this.setPosition(this.locX, this.locY, this.locZ); this.c(this.yaw, this.pitch); } } else { this.lastX = this.locX; this.lastY = this.locY; this.lastZ = this.locZ; this.motY -= 0.03999999910593033D; int i = MathHelper.floor(this.locX); int j = MathHelper.floor(this.locY); int k = MathHelper.floor(this.locZ); if (BlockMinecartTrack.g(this.world, i, j - 1, k)) { --j; } // CraftBukkit double d4 = this.maxSpeed; boolean flag = false; d0 = 0.0078125D; int l = this.world.getTypeId(i, j, k); if (BlockMinecartTrack.c(l)) { Vec3D vec3d = this.h(this.locX, this.locY, this.locZ); int i1 = this.world.getData(i, j, k); this.locY = (double) j; boolean flag1 = false; boolean flag2 = false; if (l == Block.GOLDEN_RAIL.id) { flag1 = (i1 & 8) != 0; flag2 = !flag1; } if (((BlockMinecartTrack) Block.byId[l]).e()) { i1 &= 7; } if (i1 >= 2 && i1 <= 5) { this.locY = (double) (j + 1); } if (i1 == 2) { this.motX -= d0; } if (i1 == 3) { this.motX += d0; } if (i1 == 4) { this.motZ += d0; } if (i1 == 5) { this.motZ -= d0; } int[][] aint = matrix[i1]; double d5 = (double) (aint[1][0] - aint[0][0]); double d6 = (double) (aint[1][2] - aint[0][2]); double d7 = Math.sqrt(d5 * d5 + d6 * d6); double d8 = this.motX * d5 + this.motZ * d6; if (d8 < 0.0D) { d5 = -d5; d6 = -d6; } double d9 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ); this.motX = d9 * d5 / d7; this.motZ = d9 * d6 / d7; double d10; if (flag2) { d10 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ); if (d10 < 0.03D) { this.motX *= 0.0D; this.motY *= 0.0D; this.motZ *= 0.0D; } else { this.motX *= 0.5D; this.motY *= 0.0D; this.motZ *= 0.5D; } } d10 = 0.0D; double d11 = (double) i + 0.5D + (double) aint[0][0] * 0.5D; double d12 = (double) k + 0.5D + (double) aint[0][2] * 0.5D; double d13 = (double) i + 0.5D + (double) aint[1][0] * 0.5D; double d14 = (double) k + 0.5D + (double) aint[1][2] * 0.5D; d5 = d13 - d11; d6 = d14 - d12; double d15; double d16; double d17; if (d5 == 0.0D) { this.locX = (double) i + 0.5D; d10 = this.locZ - (double) k; } else if (d6 == 0.0D) { this.locZ = (double) k + 0.5D; d10 = this.locX - (double) i; } else { d16 = this.locX - d11; d15 = this.locZ - d12; d17 = (d16 * d5 + d15 * d6) * 2.0D; d10 = d17; } this.locX = d11 + d5 * d10; this.locZ = d12 + d6 * d10; this.setPosition(this.locX, this.locY + (double) this.height, this.locZ); d16 = this.motX; d15 = this.motZ; if (this.passenger != null) { d16 *= 0.75D; d15 *= 0.75D; } if (d16 < -d4) { d16 = -d4; } if (d16 > d4) { d16 = d4; } if (d15 < -d4) { d15 = -d4; } if (d15 > d4) { d15 = d4; } this.move(d16, 0.0D, d15); if (aint[0][1] != 0 && MathHelper.floor(this.locX) - i == aint[0][0] && MathHelper.floor(this.locZ) - k == aint[0][2]) { this.setPosition(this.locX, this.locY + (double) aint[0][1], this.locZ); } else if (aint[1][1] != 0 && MathHelper.floor(this.locX) - i == aint[1][0] && MathHelper.floor(this.locZ) - k == aint[1][2]) { this.setPosition(this.locX, this.locY + (double) aint[1][1], this.locZ); } // CraftBukkit if (this.passenger != null || !slowWhenEmpty) { this.motX *= 0.996999979019165D; this.motY *= 0.0D; this.motZ *= 0.996999979019165D; } else { if (this.type == 2) { d17 = (double) MathHelper.a(this.f * this.f + this.g * this.g); if (d17 > 0.01D) { flag = true; this.f /= d17; this.g /= d17; double d18 = 0.04D; this.motX *= 0.800000011920929D; this.motY *= 0.0D; this.motZ *= 0.800000011920929D; this.motX += this.f * d18; this.motZ += this.g * d18; } else { this.motX *= 0.8999999761581421D; this.motY *= 0.0D; this.motZ *= 0.8999999761581421D; } } this.motX *= 0.9599999785423279D; this.motY *= 0.0D; this.motZ *= 0.9599999785423279D; } Vec3D vec3d1 = this.h(this.locX, this.locY, this.locZ); if (vec3d1 != null && vec3d != null) { double d19 = (vec3d.b - vec3d1.b) * 0.05D; d9 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ); if (d9 > 0.0D) { this.motX = this.motX / d9 * (d9 + d19); this.motZ = this.motZ / d9 * (d9 + d19); } this.setPosition(this.locX, vec3d1.b, this.locZ); } int j1 = MathHelper.floor(this.locX); int k1 = MathHelper.floor(this.locZ); if (j1 != i || k1 != k) { d9 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ); this.motX = d9 * (double) (j1 - i); this.motZ = d9 * (double) (k1 - k); } double d20; if (this.type == 2) { d20 = (double) MathHelper.a(this.f * this.f + this.g * this.g); if (d20 > 0.01D && this.motX * this.motX + this.motZ * this.motZ > 0.0010D) { this.f /= d20; this.g /= d20; if (this.f * this.motX + this.g * this.motZ < 0.0D) { this.f = 0.0D; this.g = 0.0D; } else { this.f = this.motX; this.g = this.motZ; } } } if (flag1) { d20 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ); if (d20 > 0.01D) { double d21 = 0.06D; this.motX += this.motX / d20 * d21; this.motZ += this.motZ / d20 * d21; } else if (i1 == 1) { if (this.world.d(i - 1, j, k)) { this.motX = 0.02D; } else if (this.world.d(i + 1, j, k)) { this.motX = -0.02D; } } else if (i1 == 0) { if (this.world.d(i, j, k - 1)) { this.motZ = 0.02D; } else if (this.world.d(i, j, k + 1)) { this.motZ = -0.02D; } } } } else { if (this.motX < -d4) { this.motX = -d4; } if (this.motX > d4) { this.motX = d4; } if (this.motZ < -d4) { this.motZ = -d4; } if (this.motZ > d4) { this.motZ = d4; } if (this.onGround) { // CraftBukkit start this.motX *= this.derailedX; this.motY *= this.derailedY; this.motZ *= this.derailedZ; // CraftBukkit start } this.move(this.motX, this.motY, this.motZ); if (!this.onGround) { // CraftBukkit start this.motX *= flyingX; this.motY *= flyingY; this.motZ *= flyingZ; // CraftBukkit start } } this.pitch = 0.0F; double d22 = this.lastX - this.locX; double d23 = this.lastZ - this.locZ; if (d22 * d22 + d23 * d23 > 0.0010D) { this.yaw = (float) (Math.atan2(d23, d22) * 180.0D / 3.141592653589793D); if (this.i) { this.yaw += 180.0F; } } double d24; for (d24 = (double) (this.yaw - this.lastYaw); d24 >= 180.0D; d24 -= 360.0D) { ; } while (d24 < -180.0D) { d24 += 360.0D; } if (d24 < -170.0D || d24 >= 170.0D) { this.yaw += 180.0F; this.i = !this.i; } this.c(this.yaw, this.pitch); // CraftBukkit start CraftServer server = ((WorldServer) this.world).getServer(); CraftWorld world = ((WorldServer) this.world).getWorld(); Location from = new Location(world, prevX, prevY, prevZ, prevYaw, prevPitch); Location to = new Location(world, this.locX, this.locY, this.locZ, this.yaw, this.pitch); Vehicle vehicle = (Vehicle) this.getBukkitEntity(); server.getPluginManager().callEvent(new VehicleUpdateEvent(vehicle)); if (!from.equals(to)) { VehicleMoveEvent event = new VehicleMoveEvent(vehicle, from, to); server.getPluginManager().callEvent(event); } // CraftBukkit end List list = this.world.b((Entity) this, this.boundingBox.b(0.20000000298023224D, 0.0D, 0.20000000298023224D)); if (list != null && list.size() > 0) { for (int l1 = 0; l1 < list.size(); ++l1) { Entity entity = (Entity) list.get(l1); if (entity != this.passenger && entity.d_() && entity instanceof EntityMinecart) { entity.collide(this); } } } if (this.passenger != null && this.passenger.dead) { this.passenger = null; } if (flag && this.random.nextInt(4) == 0) { --this.e; if (this.e < 0) { this.f = this.g = 0.0D; } this.world.a("largesmoke", this.locX, this.locY + 0.8D, this.locZ, 0.0D, 0.0D, 0.0D); } } } public Vec3D h(double d0, double d1, double d2) { int i = MathHelper.floor(d0); int j = MathHelper.floor(d1); int k = MathHelper.floor(d2); if (BlockMinecartTrack.g(this.world, i, j - 1, k)) { --j; } int l = this.world.getTypeId(i, j, k); if (BlockMinecartTrack.c(l)) { int i1 = this.world.getData(i, j, k); d1 = (double) j; if (((BlockMinecartTrack) Block.byId[l]).e()) { i1 &= 7; } if (i1 >= 2 && i1 <= 5) { d1 = (double) (j + 1); } int[][] aint = matrix[i1]; double d3 = 0.0D; double d4 = (double) i + 0.5D + (double) aint[0][0] * 0.5D; double d5 = (double) j + 0.5D + (double) aint[0][1] * 0.5D; double d6 = (double) k + 0.5D + (double) aint[0][2] * 0.5D; double d7 = (double) i + 0.5D + (double) aint[1][0] * 0.5D; double d8 = (double) j + 0.5D + (double) aint[1][1] * 0.5D; double d9 = (double) k + 0.5D + (double) aint[1][2] * 0.5D; double d10 = d7 - d4; double d11 = (d8 - d5) * 2.0D; double d12 = d9 - d6; if (d10 == 0.0D) { d0 = (double) i + 0.5D; d3 = d2 - (double) k; } else if (d12 == 0.0D) { d2 = (double) k + 0.5D; d3 = d0 - (double) i; } else { double d13 = d0 - d4; double d14 = d2 - d6; double d15 = (d13 * d10 + d14 * d12) * 2.0D; d3 = d15; } d0 = d4 + d10 * d3; d1 = d5 + d11 * d3; d2 = d6 + d12 * d3; if (d11 < 0.0D) { ++d1; } if (d11 > 0.0D) { d1 += 0.5D; } return Vec3D.create(d0, d1, d2); } else { return null; } } protected void b(NBTTagCompound nbttagcompound) { nbttagcompound.a("Type", this.type); if (this.type == 2) { nbttagcompound.a("PushX", this.f); nbttagcompound.a("PushZ", this.g); nbttagcompound.a("Fuel", (short) this.e); } else if (this.type == 1) { NBTTagList nbttaglist = new NBTTagList(); for (int i = 0; i < this.items.length; ++i) { if (this.items[i] != null) { NBTTagCompound nbttagcompound1 = new NBTTagCompound(); nbttagcompound1.a("Slot", (byte) i); this.items[i].a(nbttagcompound1); nbttaglist.a((NBTBase) nbttagcompound1); } } nbttagcompound.a("Items", (NBTBase) nbttaglist); } } protected void a(NBTTagCompound nbttagcompound) { this.type = nbttagcompound.e("Type"); if (this.type == 2) { this.f = nbttagcompound.h("PushX"); this.g = nbttagcompound.h("PushZ"); this.e = nbttagcompound.d("Fuel"); } else if (this.type == 1) { NBTTagList nbttaglist = nbttagcompound.l("Items"); this.items = new ItemStack[this.getSize()]; for (int i = 0; i < nbttaglist.c(); ++i) { NBTTagCompound nbttagcompound1 = (NBTTagCompound) nbttaglist.a(i); int j = nbttagcompound1.c("Slot") & 255; if (j >= 0 && j < this.items.length) { this.items[j] = new ItemStack(nbttagcompound1); } } } } public void collide(Entity entity) { if (!this.world.isStatic) { if (entity != this.passenger) { // CraftBukkit start CraftServer server = ((WorldServer) world).getServer(); Vehicle vehicle = (Vehicle) this.getBukkitEntity(); org.bukkit.entity.Entity hitEntity = (entity == null) ? null : entity.getBukkitEntity(); VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent(vehicle, hitEntity); server.getPluginManager().callEvent(collisionEvent); if (collisionEvent.isCancelled()) { return; } if (entity instanceof EntityLiving && !(entity instanceof EntityHuman) && this.type == 0 && this.motX * this.motX + this.motZ * this.motZ > 0.01D && this.passenger == null && entity.vehicle == null) { if (!collisionEvent.isPickupCancelled()) { VehicleEnterEvent enterEvent = new VehicleEnterEvent(vehicle, hitEntity); server.getPluginManager().callEvent(enterEvent); if (!enterEvent.isCancelled()) { entity.mount(this); } } } // CraftBukkit end double d0 = entity.locX - this.locX; double d1 = entity.locZ - this.locZ; double d2 = d0 * d0 + d1 * d1; // CraftBukkit - Collision if (d2 >= 9.9999997473787516E-005D && !collisionEvent.isCollisionCancelled()) { d2 = (double) MathHelper.a(d2); d0 /= d2; d1 /= d2; double d3 = 1.0D / d2; if (d3 > 1.0D) { d3 = 1.0D; } d0 *= d3; d1 *= d3; d0 *= 0.10000000149011612D; d1 *= 0.10000000149011612D; d0 *= (double) (1.0F - this.bt); d1 *= (double) (1.0F - this.bt); d0 *= 0.5D; d1 *= 0.5D; if (entity instanceof EntityMinecart) { double d4 = entity.locX - this.locX; double d5 = entity.locZ - this.locZ; double d6 = d4 * entity.motZ + d5 * entity.lastX; d6 *= d6; if (d6 > 5.0D) { return; } double d7 = entity.motX + this.motX; double d8 = entity.motZ + this.motZ; if (((EntityMinecart) entity).type == 2 && this.type != 2) { this.motX *= 0.20000000298023224D; this.motZ *= 0.20000000298023224D; this.f(entity.motX - d0, 0.0D, entity.motZ - d1); entity.motX *= 0.699999988079071D; entity.motZ *= 0.699999988079071D; } else if (((EntityMinecart) entity).type != 2 && this.type == 2) { entity.motX *= 0.20000000298023224D; entity.motZ *= 0.20000000298023224D; entity.f(this.motX + d0, 0.0D, this.motZ + d1); this.motX *= 0.699999988079071D; this.motZ *= 0.699999988079071D; } else { d7 /= 2.0D; d8 /= 2.0D; this.motX *= 0.20000000298023224D; this.motZ *= 0.20000000298023224D; this.f(d7 - d0, 0.0D, d8 - d1); entity.motX *= 0.20000000298023224D; entity.motZ *= 0.20000000298023224D; entity.f(d7 + d0, 0.0D, d8 + d1); } } else { this.f(-d0, 0.0D, -d1); entity.f(d0 / 4.0D, 0.0D, d1 / 4.0D); } } } } } public int getSize() { return 27; } public ItemStack getItem(int i) { return this.items[i]; } public ItemStack a(int i, int j) { if (this.items[i] != null) { ItemStack itemstack; if (this.items[i].count <= j) { itemstack = this.items[i]; this.items[i] = null; return itemstack; } else { itemstack = this.items[i].a(j); if (this.items[i].count == 0) { this.items[i] = null; } return itemstack; } } else { return null; } } public void setItem(int i, ItemStack itemstack) { this.items[i] = itemstack; if (itemstack != null && itemstack.count > this.getMaxStackSize()) { itemstack.count = this.getMaxStackSize(); } } public String getName() { return "Minecart"; } public int getMaxStackSize() { return 64; } public void update() {} public boolean a(EntityHuman entityhuman) { if (this.type == 0) { if (this.passenger != null && this.passenger instanceof EntityHuman && this.passenger != entityhuman) { return true; } if (!this.world.isStatic) { // CraftBukkit start CraftServer server = ((WorldServer) this.world).getServer(); Vehicle vehicle = (Vehicle) this.getBukkitEntity(); org.bukkit.entity.Entity player = (entityhuman == null) ? null : entityhuman.getBukkitEntity(); VehicleEnterEvent event = new VehicleEnterEvent(vehicle, player); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return true; } // CraftBukkit end entityhuman.mount(this); } } else if (this.type == 1) { if (!this.world.isStatic) { entityhuman.a((IInventory) this); } } else if (this.type == 2) { ItemStack itemstack = entityhuman.inventory.getItemInHand(); if (itemstack != null && itemstack.id == Item.COAL.id) { if (--itemstack.count == 0) { entityhuman.inventory.setItem(entityhuman.inventory.itemInHandIndex, (ItemStack) null); } this.e += 1200; } this.f = this.locX - entityhuman.locX; this.g = this.locZ - entityhuman.locZ; } return true; } public boolean a_(EntityHuman entityhuman) { return this.dead ? false : entityhuman.g(this) <= 64.0D; } }