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PaperMC/Spigot-Server-Patches/0149-Optional-old-TNT-cannon-behaviors.patch
Zach Brown c02c01b2c5
Add rate limiting to PacketPlayInUseItem as well 
Also removes our toggle for Spigot's option, I doubt anyone uses it.
2016-09-10 21:44:06 -05:00

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From 447be950266364ba6f54a3a5544b7ceef4c8838a Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sun, 22 May 2016 20:20:55 -0500
Subject: [PATCH] Optional old TNT cannon behaviors
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index f9e6cf0..781b195 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -345,4 +345,12 @@ public class PaperWorldConfig {
);
}
}
+
+ public boolean oldCannonBehaviors;
+ private void oldCannonBehaviors() {
+ oldCannonBehaviors = getBoolean("enable-old-tnt-cannon-behaviors", false);
+ if (oldCannonBehaviors) {
+ log("Old Cannon Behaviors: This feature may not be working entirely properly at the moment");
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/BlockDiodeAbstract.java b/src/main/java/net/minecraft/server/BlockDiodeAbstract.java
index f422843..8abe359 100644
--- a/src/main/java/net/minecraft/server/BlockDiodeAbstract.java
+++ b/src/main/java/net/minecraft/server/BlockDiodeAbstract.java
@@ -76,6 +76,17 @@ public abstract class BlockDiodeAbstract extends BlockFacingHorizontal {
} else {
this.b(world, blockposition, iblockdata, 0);
world.setAir(blockposition);
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ world.applyPhysics(blockposition.shift(EnumDirection.EAST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.WEST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.SOUTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.NORTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.DOWN), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.UP), this);
+ return;
+ }
+ // Paper end
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
@@ -173,6 +184,17 @@ public abstract class BlockDiodeAbstract extends BlockFacingHorizontal {
public void postBreak(World world, BlockPosition blockposition, IBlockData iblockdata) {
if (this.d) {
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ world.applyPhysics(blockposition.shift(EnumDirection.EAST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.WEST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.NORTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.SOUTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.DOWN), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.UP), this);
+ return;
+ }
+ // Paper end
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
diff --git a/src/main/java/net/minecraft/server/BlockRedstoneTorch.java b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
index 7aa5986..7866bd9 100644
--- a/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
+++ b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
@@ -53,6 +53,12 @@ public class BlockRedstoneTorch extends BlockTorch {
public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
if (this.isOn) {
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ this.shiftPositions(world, blockposition);
+ return;
+ }
+ // Paper end
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
@@ -67,6 +73,12 @@ public class BlockRedstoneTorch extends BlockTorch {
public void remove(World world, BlockPosition blockposition, IBlockData iblockdata) {
if (this.isOn) {
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ this.shiftPositions(world, blockposition);
+ return;
+ }
+ // Paper end
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
@@ -79,6 +91,17 @@ public class BlockRedstoneTorch extends BlockTorch {
}
+ // Paper start - Old TNT cannon behaviors
+ private void shiftPositions(World world, BlockPosition blockposition) {
+ world.applyPhysics(blockposition.shift(EnumDirection.DOWN), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.UP), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.WEST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.EAST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.SOUTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.NORTH), this);
+ }
+ // Paper end
+
public int b(IBlockData iblockdata, IBlockAccess iblockaccess, BlockPosition blockposition, EnumDirection enumdirection) {
return this.isOn && iblockdata.get(BlockRedstoneTorch.FACING) != enumdirection ? 15 : 0;
}
diff --git a/src/main/java/net/minecraft/server/BlockRedstoneWire.java b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
index 93671ed..661c4f9 100644
--- a/src/main/java/net/minecraft/server/BlockRedstoneWire.java
+++ b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
@@ -20,7 +20,7 @@ public class BlockRedstoneWire extends Block {
public static final BlockStateInteger POWER = BlockStateInteger.of("power", 0, 15);
protected static final AxisAlignedBB[] f = new AxisAlignedBB[] { new AxisAlignedBB(0.1875D, 0.0D, 0.1875D, 0.8125D, 0.0625D, 0.8125D), new AxisAlignedBB(0.1875D, 0.0D, 0.1875D, 0.8125D, 0.0625D, 1.0D), new AxisAlignedBB(0.0D, 0.0D, 0.1875D, 0.8125D, 0.0625D, 0.8125D), new AxisAlignedBB(0.0D, 0.0D, 0.1875D, 0.8125D, 0.0625D, 1.0D), new AxisAlignedBB(0.1875D, 0.0D, 0.0D, 0.8125D, 0.0625D, 0.8125D), new AxisAlignedBB(0.1875D, 0.0D, 0.0D, 0.8125D, 0.0625D, 1.0D), new AxisAlignedBB(0.0D, 0.0D, 0.0D, 0.8125D, 0.0625D, 0.8125D), new AxisAlignedBB(0.0D, 0.0D, 0.0D, 0.8125D, 0.0625D, 1.0D), new AxisAlignedBB(0.1875D, 0.0D, 0.1875D, 1.0D, 0.0625D, 0.8125D), new AxisAlignedBB(0.1875D, 0.0D, 0.1875D, 1.0D, 0.0625D, 1.0D), new AxisAlignedBB(0.0D, 0.0D, 0.1875D, 1.0D, 0.0625D, 0.8125D), new AxisAlignedBB(0.0D, 0.0D, 0.1875D, 1.0D, 0.0625D, 1.0D), new AxisAlignedBB(0.1875D, 0.0D, 0.0D, 1.0D, 0.0625D, 0.8125D), new AxisAlignedBB(0.1875D, 0.0D, 0.0D, 1.0D, 0.0625D, 1.0D), new AxisAlignedBB(0.0D, 0.0D, 0.0D, 1.0D, 0.0625D, 0.8125D), new AxisAlignedBB(0.0D, 0.0D, 0.0D, 1.0D, 0.0625D, 1.0D)};
private boolean g = true;
- private final Set<BlockPosition> B = Sets.newHashSet();
+ private final Set<BlockPosition> B = Sets.newHashSet(); private final Set<BlockPosition> blocksToUpdate = B; // Paper - OBFHELPER
public BlockRedstoneWire() {
super(Material.ORIENTABLE);
@@ -186,6 +186,19 @@ public class BlockRedstoneWire extends Block {
}
this.B.add(blockposition);
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.WEST));
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.EAST));
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.DOWN));
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.UP));
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.NORTH));
+ this.blocksToUpdate.add(blockposition.shift(EnumDirection.SOUTH));
+ return iblockdata;
+ }
+ // Paper end
+
+
EnumDirection[] aenumdirection = EnumDirection.values();
int i1 = aenumdirection.length;
@@ -202,6 +215,17 @@ public class BlockRedstoneWire extends Block {
private void b(World world, BlockPosition blockposition) {
if (world.getType(blockposition).getBlock() == this) {
world.applyPhysics(blockposition, this);
+ // Paper start - Old TNT cannon behaviors
+ if (world.paperConfig.oldCannonBehaviors) {
+ world.applyPhysics(blockposition.shift(EnumDirection.WEST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.EAST), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.NORTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.SOUTH), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.DOWN), this);
+ world.applyPhysics(blockposition.shift(EnumDirection.UP), this);
+ return;
+ }
+ // Paper end
EnumDirection[] aenumdirection = EnumDirection.values();
int i = aenumdirection.length;
diff --git a/src/main/java/net/minecraft/server/BlockTNT.java b/src/main/java/net/minecraft/server/BlockTNT.java
index bfb27ed..b1ba434 100644
--- a/src/main/java/net/minecraft/server/BlockTNT.java
+++ b/src/main/java/net/minecraft/server/BlockTNT.java
@@ -31,7 +31,11 @@ public class BlockTNT extends Block {
public void wasExploded(World world, BlockPosition blockposition, Explosion explosion) {
if (!world.isClientSide) {
- EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), (double) blockposition.getY(), (double) ((float) blockposition.getZ() + 0.5F), explosion.getSource());
+ // Paper start - Old TNT cannon behaviors
+ double y = blockposition.getY();
+ if (!world.paperConfig.oldCannonBehaviors) y += 0.5;
+ EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), y, (double) ((float) blockposition.getZ() + 0.5F), explosion.getSource());
+ // Paper end
entitytntprimed.setFuseTicks((short) (world.random.nextInt(entitytntprimed.getFuseTicks() / 4) + entitytntprimed.getFuseTicks() / 8));
world.addEntity(entitytntprimed);
@@ -45,7 +49,11 @@ public class BlockTNT extends Block {
public void a(World world, BlockPosition blockposition, IBlockData iblockdata, EntityLiving entityliving) {
if (!world.isClientSide) {
if (((Boolean) iblockdata.get(BlockTNT.EXPLODE)).booleanValue()) {
- EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), (double) blockposition.getY(), (double) ((float) blockposition.getZ() + 0.5F), entityliving);
+ // Paper start - Old TNT cannon behaviors
+ double y = blockposition.getY();
+ if (!world.paperConfig.oldCannonBehaviors) y += 0.5;
+ EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), y, (double) ((float) blockposition.getZ() + 0.5F), entityliving);
+ // Paper end
world.addEntity(entitytntprimed);
world.a((EntityHuman) null, entitytntprimed.locX, entitytntprimed.locY, entitytntprimed.locZ, SoundEffects.gz, SoundCategory.BLOCKS, 1.0F, 1.0F);
diff --git a/src/main/java/net/minecraft/server/DispenserRegistry.java b/src/main/java/net/minecraft/server/DispenserRegistry.java
index 03ce337..588c0e9 100644
--- a/src/main/java/net/minecraft/server/DispenserRegistry.java
+++ b/src/main/java/net/minecraft/server/DispenserRegistry.java
@@ -497,7 +497,11 @@ public class DispenserRegistry {
org.bukkit.block.Block block = world.getWorld().getBlockAt(isourceblock.getBlockPosition().getX(), isourceblock.getBlockPosition().getY(), isourceblock.getBlockPosition().getZ());
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
- BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) blockposition.getX() + 0.5D, (double) blockposition.getY(), (double) blockposition.getZ() + 0.5D));
+ // Paper start - Old TNT cannon behaviors
+ double y = blockposition.getY();
+ if (!world.paperConfig.oldCannonBehaviors) y += 0.5;
+ BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) blockposition.getX() + 0.5D, y, (double) blockposition.getZ() + 0.5D));
+ // Paper end
if (!BlockDispenser.eventFired) {
world.getServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 059042e..7fc3e57 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -978,6 +978,12 @@ public abstract class Entity implements ICommandListener {
}
public boolean ak() {
+ // Paper start - OBFHELPER
+ return this.doWaterMovement();
+ }
+
+ public boolean doWaterMovement() {
+ // Paper end
if (this.bB() instanceof EntityBoat) {
this.inWater = false;
} else if (this.world.a(this.getBoundingBox().grow(0.0D, -0.4000000059604645D, 0.0D).shrink(0.001D), Material.WATER, this)) {
@@ -1179,6 +1185,12 @@ public abstract class Entity implements ICommandListener {
}
public double f(double d0, double d1, double d2) {
+ // Paper start - OBFHELPER
+ return this.getDistance(d0, d1, d2);
+ }
+
+ public double getDistance(double d0, double d1, double d2) {
+ // Paper end
double d3 = this.locX - d0;
double d4 = this.locY - d1;
double d5 = this.locZ - d2;
@@ -1233,6 +1245,12 @@ public abstract class Entity implements ICommandListener {
}
public void g(double d0, double d1, double d2) {
+ // Paper start - OBFHELPER
+ this.addVelocity(d0, d1, d2);
+ }
+
+ public void addVelocity(double d0, double d1, double d2) {
+ // Paper end
this.motX += d0;
this.motY += d1;
this.motZ += d2;
@@ -2358,6 +2376,12 @@ public abstract class Entity implements ICommandListener {
}
public boolean bg() {
+ // Paper start - OBFHELPER
+ return this.pushedByWater();
+ }
+
+ public boolean pushedByWater() {
+ // Paper end
return true;
}
diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
index a1392d6..4fd4371 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
@@ -279,4 +279,19 @@ public class EntityFallingBlock extends Entity {
public boolean bu() {
return true;
}
+
+ // Paper start - Old TNT cannon behaviors
+ @Override
+ public double getDistance(double d0, double d1, double d2) {
+ if (!world.paperConfig.oldCannonBehaviors) return super.getDistance(d0, d1, d2);
+
+ double newX = this.locX - d0;
+ double newY = this.locY + this.getHeadHeight() - d1;
+ double newZ = this.locZ - d2;
+
+ return (double) MathHelper.sqrt(newX * newX + newY * newY + newZ * newZ);
+ }
+
+
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/EntityTNTPrimed.java b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
index 86f3f1f..9a25219 100644
--- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
@@ -30,6 +30,7 @@ public class EntityTNTPrimed extends Entity {
this.lastY = d1;
this.lastZ = d2;
this.source = entityliving;
+ if (world.paperConfig.oldCannonBehaviors) this.motX = this.motZ = 0.0F; // Paper - Old TNT cannon behaviors
}
protected void i() {
@@ -122,7 +123,7 @@ public class EntityTNTPrimed extends Entity {
}
public float getHeadHeight() {
- return 0.0F;
+ return world.paperConfig.oldCannonBehaviors ? this.length / 16F : 0.0F; // Paper - Old TNT cannon behaviors
}
public void setFuseTicks(int i) {
@@ -144,4 +145,58 @@ public class EntityTNTPrimed extends Entity {
public int getFuseTicks() {
return this.c;
}
+
+ // Paper start - Old TNT cannon behaviors
+ @Override
+ public double getDistance(double d0, double d1, double d2) {
+ if (!world.paperConfig.oldCannonBehaviors) return super.getDistance(d0, d1, d2);
+
+ double newX = this.locX - d0;
+ double newY = this.locY + this.getHeadHeight() - d1;
+ double newZ = this.locZ - d2;
+
+ return (double) MathHelper.sqrt(newX * newX + newY * newY + newZ * newZ);
+ }
+
+ @Override
+ public boolean pushedByWater() {
+ return !world.paperConfig.oldCannonBehaviors && super.pushedByWater();
+ }
+
+ /**
+ * Author: Jedediah Smith <jedediah@silencegreys.com>
+ */
+ @Override
+ public boolean doWaterMovement() {
+ if (!world.paperConfig.oldCannonBehaviors) return super.doWaterMovement();
+
+ // Preserve velocity while calling the super method
+ double oldMotX = this.motX;
+ double oldMotY = this.motY;
+ double oldMotZ = this.motZ;
+
+ super.doWaterMovement();
+
+ this.motX = oldMotX;
+ this.motY = oldMotY;
+ this.motZ = oldMotZ;
+
+ if (this.inWater) {
+ // Send position and velocity updates to nearby players on every tick while the TNT is in water.
+ // This does pretty well at keeping their clients in sync with the server.
+ EntityTrackerEntry ete = ((WorldServer) this.getWorld()).getTracker().trackedEntities.get(this.getId());
+ if (ete != null) {
+ PacketPlayOutEntityVelocity velocityPacket = new PacketPlayOutEntityVelocity(this);
+ PacketPlayOutEntityTeleport positionPacket = new PacketPlayOutEntityTeleport(this);
+
+ ete.trackedPlayers.stream().filter(viewer -> (viewer.locX - this.locX) * (viewer.locY - this.locY) * (viewer.locZ - this.locZ) < 16 * 16).forEach(viewer -> {
+ viewer.playerConnection.sendPacket(velocityPacket);
+ viewer.playerConnection.sendPacket(positionPacket);
+ });
+ }
+ }
+
+ return this.inWater;
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
index 6cdc3a3..0b9bc91 100644
--- a/src/main/java/net/minecraft/server/Explosion.java
+++ b/src/main/java/net/minecraft/server/Explosion.java
@@ -148,9 +148,15 @@ public class Explosion {
d14 = entity instanceof EntityHuman && world.paperConfig.disableExplosionKnockback ? 0 : EnchantmentProtection.a((EntityLiving) entity, d13); // Paper - Disable explosion knockback
}
- entity.motX += d8 * d14;
- entity.motY += d9 * d14;
- entity.motZ += d10 * d14;
+ // Paper start - Fix cannons
+ /*
+ entity.motX += d8 * d14;
+ entity.motY += d9 * d14;
+ entity.motZ += d10 * d14;
+ */
+ // This impulse method sets the dirty flag, so clients will get an immediate velocity update
+ entity.addVelocity(d8 * d14, d9 * d14, d10 * d14);
+ // Paper end
if (entity instanceof EntityHuman) {
EntityHuman entityhuman = (EntityHuman) entity;
--
2.10.0.windows.1
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