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#1390: Improve internal handling of damage sources

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By: Doc <nachito94@msn.com>
This commit is contained in:
CraftBukkit/Spigot
2024-05-04 08:15:51 +10:00
parent f01e218606
commit 066665a979
12 changed files with 72 additions and 48 deletions
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39
paper-server/nms-patches/net/minecraft/world/damagesource/DamageSource.patch
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@@ -1,6 +1,6 @@
--- a/net/minecraft/world/damagesource/DamageSource.java
+++ b/net/minecraft/world/damagesource/DamageSource.java
@@ -21,6 +21,88 @@
@@ -21,6 +21,103 @@
private final Entity directEntity;
@Nullable
private final Vec3D damageSourcePosition;
@@ -8,19 +8,19 @@
+ @Nullable
+ private org.bukkit.block.Block directBlock; // The block that caused the damage. damageSourcePosition is not used for all block damages
+ @Nullable
+ public org.bukkit.block.BlockState blockState; // The block state of the block relevant to this damage source
+ private boolean withSweep = false;
+ private org.bukkit.block.BlockState directBlockState; // The block state of the block relevant to this damage source
+ private boolean sweep = false;
+ private boolean melting = false;
+ private boolean poison = false;
+ private Entity customCausingEntity = null; // This field is a helper for when causing entity damage is not set by vanilla
+ private Entity customEntityDamager = null; // This field is a helper for when causing entity damage is not set by vanilla
+
+ public DamageSource sweep() {
+ this.withSweep = true;
+ this.sweep = true;
+ return this;
+ }
+
+ public boolean isSweep() {
+ return this.withSweep;
+ return this.sweep;
+ }
+
+ public DamageSource melting() {
@@ -41,18 +41,18 @@
+ return this.poison;
+ }
+
+ public Entity getCausingEntity() {
+ return (this.customCausingEntity != null) ? this.customCausingEntity : this.causingEntity;
+ public Entity getDamager() {
+ return (this.customEntityDamager != null) ? this.customEntityDamager : this.directEntity;
+ }
+
+ public DamageSource customCausingEntity(Entity entity) {
+ public DamageSource customEntityDamager(Entity entity) {
+ // This method is not intended for change the causing entity if is already set
+ // also is only necessary if the entity passed is not the direct entity or different from the current causingEntity
+ if (this.customCausingEntity != null || this.directEntity == entity || this.causingEntity == entity) {
+ if (this.customEntityDamager != null || this.directEntity == entity || this.causingEntity == entity) {
+ return this;
+ }
+ DamageSource damageSource = this.cloneInstance();
+ damageSource.customCausingEntity = entity;
+ damageSource.customEntityDamager = entity;
+ return damageSource;
+ }
+
@@ -77,10 +77,25 @@
+ return damageSource;
+ }
+
+ public org.bukkit.block.BlockState getDirectBlockState() {
+ return this.directBlockState;
+ }
+
+ public DamageSource directBlockState(org.bukkit.block.BlockState blockState) {
+ if (blockState == null) {
+ return this;
+ }
+ // Cloning the instance lets us return unique instances of DamageSource without affecting constants defined in DamageSources
+ DamageSource damageSource = this.cloneInstance();
+ damageSource.directBlockState = directBlockState;
+ return damageSource;
+ }
+
+ private DamageSource cloneInstance() {
+ DamageSource damageSource = new DamageSource(this.type, this.directEntity, this.causingEntity, this.damageSourcePosition);
+ damageSource.directBlock = this.getDirectBlock();
+ damageSource.withSweep = this.isSweep();
+ damageSource.directBlockState = this.getDirectBlockState();
+ damageSource.sweep = this.isSweep();
+ damageSource.poison = this.isPoison();
+ damageSource.melting = this.isMelting();
+ return damageSource;