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Purpur/patches/server/0051-Controllable-Minecarts.patch
BillyGalbreath cea486c6a7 Updated Upstream (Paper) 
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
9a129fa99 Add #getEligibleHumans to SkeletonHorseTrapEvent
b5e23c7a6 Fix merging spawning values
a932e8ad7 Turn off spigot verbose world by default
8ced89f65 Fix Delegation to vanilla chunk gen
2020-12-05 21:44:46 -06:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 29 Jun 2019 02:32:40 -0500
Subject: [PATCH] Controllable Minecarts
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 2291135eae..bc61aaff65 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -36,6 +36,12 @@ public class BlockPosition extends BaseBlockPosition {
private static final int m = 38;
// Paper end
+ // Purpur start
+ public BlockPosition(Entity entity) {
+ super(entity.locX(), entity.locY(), entity.locZ());
+ }
+ // Purpur end
+
public BlockPosition(int i, int j, int k) {
super(i, j, k);
}
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 8ed95fb471..1ef9fd4347 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -98,9 +98,9 @@ public abstract class EntityLiving extends Entity {
protected int aO;protected int getKillCount() { return this.aO; } // Paper - OBFHELPER
public float lastDamage;
public boolean jumping; // Paper protected -> public
- public float aR;
- public float aS;
- public float aT;
+ public float aR; public float getStrafe() { return aR; } public void setStrafe(float strafe) { aR = strafe; } // Purpur - OBFHELPER
+ public float aS; public float getVertical() { return aS; } public void setVertical(float vertical) { aS = vertical; } // Purpur - OBFHELPER
+ public float aT; public float getForward() { return aT; } public void setForward(float forward) { aT = forward; } // Purpur - OBFHELPER
protected int aU;
protected double aV;
protected double aW;
diff --git a/src/main/java/net/minecraft/server/EntityMinecartAbstract.java b/src/main/java/net/minecraft/server/EntityMinecartAbstract.java
index efe5c0ceca..a814cf280d 100644
--- a/src/main/java/net/minecraft/server/EntityMinecartAbstract.java
+++ b/src/main/java/net/minecraft/server/EntityMinecartAbstract.java
@@ -445,16 +445,62 @@ public abstract class EntityMinecartAbstract extends Entity {
public void a(int i, int j, int k, boolean flag) {}
+ // Purpur start
+ private Double lastSpeed;
+
+ public double getControllableSpeed() {
+ BlockPosition position = new BlockPosition(this);
+ Block block = world.getType(position).getBlock();
+ if (!block.material.isSolid()) {
+ block = world.getType(position.shift(EnumDirection.DOWN)).getBlock();
+ }
+ Double speed = world.purpurConfig.controllableMinecartsBlockSpeeds.get(block);
+ if (!block.material.isSolid()) {
+ speed = lastSpeed;
+ } else if (speed == null) {
+ speed = world.purpurConfig.controllableMinecartsBaseSpeed;
+ }
+ return lastSpeed = speed;
+ }
+ // Purpur end
+
protected void h() {
double d0 = this.getMaxSpeed();
Vec3D vec3d = this.getMot();
this.setMot(MathHelper.a(vec3d.x, -d0, d0), vec3d.y, MathHelper.a(vec3d.z, -d0, d0));
+
+ // Purpur start
+ if (world.purpurConfig.controllableMinecarts && !isInWater() && !isInLava() && !passengers.isEmpty()) {
+ Entity passenger = passengers.get(0);
+ if (passenger instanceof EntityHuman) {
+ EntityHuman entityhuman = (EntityHuman) passenger;
+ if (entityhuman.jumping && this.onGround) {
+ setMot(new Vec3D(getMot().x, world.purpurConfig.controllableMinecartsHopBoost, getMot().z));
+ }
+ if (entityhuman.getForward() != 0.0F) {
+ Vector velocity = entityhuman.getBukkitEntity().getEyeLocation().getDirection().normalize().multiply(getControllableSpeed());
+ if (entityhuman.getForward() < 0.0) {
+ velocity.multiply(-0.5);
+ }
+ setMot(new Vec3D(velocity.getX(), getMot().y, velocity.getZ()));
+ }
+ this.yaw = passenger.yaw - 90;
+ setStepHeight(world.purpurConfig.controllableMinecartsStepHeight);
+ } else {
+ setStepHeight(0.0F);
+ }
+ } else {
+ setStepHeight(0.0F);
+ }
+ // Purpur end
+
if (this.onGround) {
// CraftBukkit start - replace magic numbers with our variables
this.setMot(new Vec3D(this.getMot().x * this.derailedX, this.getMot().y * this.derailedY, this.getMot().z * this.derailedZ));
// CraftBukkit end
}
+ else if (world.purpurConfig.controllableMinecarts) setMot(new Vec3D(getMot().x * derailedX, getMot().y, getMot().z * derailedZ)); // Purpur
this.move(EnumMoveType.SELF, this.getMot());
if (!this.onGround) {
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index a2924ab618..a295968ed3 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -991,6 +991,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
if (this.isInvulnerable(damagesource)) {
return false;
} else {
+ if (damagesource == DamageSource.FALL && getRootVehicle() instanceof EntityMinecartAbstract && world.purpurConfig.controllableMinecarts && !world.purpurConfig.controllableMinecartsFallDamage) return false; // Purpur
boolean flag = this.server.j() && this.canPvP() && "fall".equals(damagesource.translationIndex);
if (!flag && isSpawnInvulnerable() && damagesource != DamageSource.OUT_OF_WORLD) { // Purpur
diff --git a/src/main/java/net/minecraft/server/ItemMinecart.java b/src/main/java/net/minecraft/server/ItemMinecart.java
index ceef7aaf92..002651aaf3 100644
--- a/src/main/java/net/minecraft/server/ItemMinecart.java
+++ b/src/main/java/net/minecraft/server/ItemMinecart.java
@@ -103,8 +103,10 @@ public class ItemMinecart extends Item {
IBlockData iblockdata = world.getType(blockposition);
if (!iblockdata.a((Tag) TagsBlock.RAILS)) {
- return EnumInteractionResult.FAIL;
- } else {
+ // Purpur start - place minecarts anywhere
+ if (!world.purpurConfig.controllableMinecartsPlaceAnywhere) return EnumInteractionResult.FAIL;
+ if (iblockdata.getMaterial().isSolid()) blockposition = blockposition.shift(itemactioncontext.getClickedFace());
+ } //else { // Purpur end - place minecarts anywhere
ItemStack itemstack = itemactioncontext.getItemStack();
if (!world.isClientSide) {
@@ -131,6 +133,6 @@ public class ItemMinecart extends Item {
itemstack.subtract(1);
return EnumInteractionResult.a(world.isClientSide);
- }
+ //} // Purpur - place minecarts anywhere
}
}
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 3721bd745e..4c3e13cf66 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -1,5 +1,7 @@
package net.pl3x.purpur;
+import net.minecraft.server.Block;
+import net.minecraft.server.Blocks;
import net.minecraft.server.IRegistry;
import net.minecraft.server.Item;
import net.minecraft.server.Items;
@@ -7,7 +9,10 @@ import net.minecraft.server.MinecraftKey;
import org.bukkit.configuration.ConfigurationSection;
import java.util.ArrayList;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
+
import static net.pl3x.purpur.PurpurConfig.log;
public class PurpurWorldConfig {
@@ -68,6 +73,34 @@ public class PurpurWorldConfig {
armorstandStepHeight = (float) getDouble("gameplay-mechanics.armorstand.step-height", armorstandStepHeight);
}
+ public boolean controllableMinecarts = false;
+ public boolean controllableMinecartsPlaceAnywhere = false;
+ public float controllableMinecartsStepHeight = 1.0F;
+ public double controllableMinecartsHopBoost = 0.5D;
+ public boolean controllableMinecartsFallDamage = true;
+ public double controllableMinecartsBaseSpeed = 0.1D;
+ public Map<Block, Double> controllableMinecartsBlockSpeeds = new HashMap<>();
+ private void controllableMinecartsSettings() {
+ controllableMinecarts = getBoolean("gameplay-mechanics.controllable-minecarts.enabled", controllableMinecarts);
+ controllableMinecartsPlaceAnywhere = getBoolean("gameplay-mechanics.controllable-minecarts.place-anywhere", controllableMinecartsPlaceAnywhere);
+ controllableMinecartsStepHeight = (float) getDouble("gameplay-mechanics.controllable-minecarts.step-height", controllableMinecartsStepHeight);
+ controllableMinecartsHopBoost = getDouble("gameplay-mechanics.controllable-minecarts.hop-boost", controllableMinecartsHopBoost);
+ controllableMinecartsFallDamage = getBoolean("gameplay-mechanics.controllable-minecarts.fall-damage", controllableMinecartsFallDamage);
+ controllableMinecartsBaseSpeed = getDouble("gameplay-mechanics.controllable-minecarts.base-speed", controllableMinecartsBaseSpeed);
+ ConfigurationSection section = getConfigurationSection("gameplay-mechanics.controllable-minecarts.block-speed");
+ if (section != null) {
+ for (String key : section.getKeys(false)) {
+ Block block = IRegistry.BLOCK.get(new MinecraftKey(key));
+ if (block != Blocks.AIR) {
+ controllableMinecartsBlockSpeeds.put(block, section.getDouble(key, controllableMinecartsBaseSpeed));
+ }
+ }
+ } else {
+ set("gameplay-mechanics.controllable-minecarts.block-speed.grass-block", 0.3D);
+ set("gameplay-mechanics.controllable-minecarts.block-speed.stone", 0.5D);
+ }
+ }
+
public boolean idleTimeoutKick = true;
public boolean idleTimeoutTickNearbyEntities = true;
public boolean idleTimeoutCountAsSleeping = false;
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