Restrict entity mouvement

gradle.properties

@@ -4,12 +4,12 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
-minecraft_version=1.21.2
-yarn_mappings=1.21.2+build.1
+minecraft_version=1.21.3
+yarn_mappings=1.21.3+build.2
 loader_version=0.16.7
 
 # Fabric API
-fabric_version=0.106.1+1.21.2
+fabric_version=0.106.1+1.21.3
 
 # Mod Properties
 mod_version=1.0.0

src/main/java/com/cyao/PaperWorldGenerator.java

@@ -19,7 +19,6 @@
 import net.minecraft.world.gen.chunk.*;
 import net.minecraft.world.gen.noise.NoiseConfig;
 
-import java.util.Iterator;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 
@@ -63,20 +62,13 @@ public CompletableFuture<Chunk> populateNoise(Blender blender, NoiseConfig noise
                 var19 = false;
             } finally {
                 if (var19) {
-                    Iterator var16 = set.iterator();
-
-                    while(var16.hasNext()) {
-                        ChunkSection chunkSection3 = (ChunkSection)var16.next();
+                    for (ChunkSection chunkSection3 : set) {
                         chunkSection3.unlock();
                     }
-
                 }
             }
 
-            Iterator var22 = set.iterator();
-
-            while(var22.hasNext()) {
-                ChunkSection chunkSection2 = (ChunkSection)var22.next();
+            for (ChunkSection chunkSection2 : set) {
                 chunkSection2.unlock();
             }
 

src/main/java/com/cyao/mixin/EntityMixin.java

@@ -0,0 +1,17 @@
+package com.cyao.mixin;
+
+
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.MathHelper;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+
+@Mixin(Entity.class)
+public abstract class EntityMixin {
+    @ModifyVariable(method = "setPos(DDD)V", at = @At("HEAD"), ordinal = 2, argsOnly = true)
+    private double clampPos(double z) {
+        // Positive is towards the camera, negative is away
+        return MathHelper.clamp(z, -1.0, 0.5);
+    }
+}

src/main/java/com/cyao/mixin/PlayerEntityMixin.java

@@ -10,7 +10,7 @@
 public class PlayerEntityMixin {
     @ModifyArgs(method = "tick", at = @At(value = "INVOKE", target = "Lnet/minecraft/util/math/MathHelper;clamp(DDD)D", ordinal = 1))
     private void clampArgs(Args args) {
-        args.set(1, -0.5);
+        args.set(1, -1.0);
         args.set(2, 0.5);
     }
 }