From f10a8867639fd29cbc3653b8dc0e5170c554c1bf Mon Sep 17 00:00:00 2001
From: 2No2Name <2no2name@web.de>
Date: Thu, 6 Jun 2024 13:45:56 +0200
Subject: [PATCH] Skip sprinting particle creation server side

---
 build.gradle                                  |  2 +-
 lithium-mixin-config.md                       |  4 +++
 .../sprinting_particles/EntityMixin.java      | 26 +++++++++++++++++++
 .../sprinting_particles/package-info.java     |  4 +++
 src/main/resources/lithium.mixins.json        |  1 +
 5 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/EntityMixin.java
 create mode 100644 src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/package-info.java

diff --git a/build.gradle b/build.gradle
index 20b19fe67..ce7ebe361 100644
--- a/build.gradle
+++ b/build.gradle
@@ -99,7 +99,7 @@ dependencies {
     mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
-    modImplementation 'com.github.2No2Name:McTester:v0.3.3'
+//    modImplementation 'com.github.2No2Name:McTester:v0.3.3'
 
     Set<String> fabricApiModulesCompileOnly = [
             "fabric-transfer-api-v1"
diff --git a/lithium-mixin-config.md b/lithium-mixin-config.md
index 3e3e4aa1b..395476dd7 100644
--- a/lithium-mixin-config.md
+++ b/lithium-mixin-config.md
@@ -332,6 +332,10 @@ Accesses entities of the correct type directly instead of accessing all nearby e
 (default: `true`)  
 Skips repeated checks whether the equipment of an entity changed. Instead equipment updates are detected  
   
+### `mixin.entity.sprinting_particles`
+(default: `true`)  
+Skips trying to create sprinting particles for all entities on the server side.  
+  
 ### `mixin.experimental`
 (default: `false`)  
 Various experimental optimizations  
diff --git a/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/EntityMixin.java b/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/EntityMixin.java
new file mode 100644
index 000000000..a171d534c
--- /dev/null
+++ b/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/EntityMixin.java
@@ -0,0 +1,26 @@
+package me.jellysquid.mods.lithium.mixin.entity.sprinting_particles;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(Entity.class)
+public abstract class EntityMixin {
+
+    @Shadow
+    public abstract World getWorld();
+
+    @Redirect(
+            method = "baseTick",
+            at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/Entity;shouldSpawnSprintingParticles()Z")
+    )
+    private boolean skipParticlesOnServerSide(Entity instance) {
+        if (instance.getWorld().isClient()) {
+            return instance.shouldSpawnSprintingParticles();
+        }
+        return false;
+    }
+}
diff --git a/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/package-info.java b/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/package-info.java
new file mode 100644
index 000000000..441091b0b
--- /dev/null
+++ b/src/main/java/me/jellysquid/mods/lithium/mixin/entity/sprinting_particles/package-info.java
@@ -0,0 +1,4 @@
+@MixinConfigOption(description = "Skips trying to create sprinting particles for all entities on the server side.")
+package me.jellysquid.mods.lithium.mixin.entity.sprinting_particles;
+
+import net.caffeinemc.gradle.MixinConfigOption;
\ No newline at end of file
diff --git a/src/main/resources/lithium.mixins.json b/src/main/resources/lithium.mixins.json
index d60419fee..75d211835 100644
--- a/src/main/resources/lithium.mixins.json
+++ b/src/main/resources/lithium.mixins.json
@@ -141,6 +141,7 @@
     "entity.skip_equipment_change_check.ArmorStandEntityMixin",
     "entity.skip_equipment_change_check.LivingEntityMixin",
     "entity.skip_equipment_change_check.MobEntityMixin",
+    "entity.sprinting_particles.EntityMixin",
     "experimental.chunk_tickets.ChunkTicketManagerMixin",
     "experimental.entity.block_caching.EntityMixin",
     "experimental.entity.block_caching.block_support.EntityMixin",