Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/LevelRenderer_pausedShakeMixin.java

@@ -0,0 +1,45 @@
+package carpet.mixins;
+
+import carpet.fakes.MinecraftClientInferface;
+import carpet.helpers.TickSpeed;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.LevelRenderer;
+import org.spongepowered.asm.mixin.Final;
+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.ModifyVariable;
+
+@Mixin(value = LevelRenderer.class, priority = 69420)
+public class LevelRenderer_pausedShakeMixin
+{
+    @Shadow @Final private Minecraft minecraft;
+
+    float initial = -1234.0f;
+
+    // require 0 is for optifine being a bitch as it usually is.
+    @ModifyVariable(method = "renderLevel", argsOnly = true, require = 0, ordinal = 0, at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/client/multiplayer/ClientLevel;entitiesForRendering()Ljava/lang/Iterable;"
+    ))
+    private float changeTickPhase(float previous)
+    {
+        initial = previous;
+        if (!TickSpeed.process_entities)
+            return ((MinecraftClientInferface)minecraft).getPausedTickDelta();
+        return previous;
+    }
+
+    // require 0 is for optifine being a bitch as it usually is.
+    @ModifyVariable(method = "renderLevel", argsOnly = true, require = 0, ordinal = 0 ,at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/client/particle/ParticleEngine;render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource$BufferSource;Lnet/minecraft/client/renderer/LightTexture;Lnet/minecraft/client/Camera;F)V",
+            shift = At.Shift.BEFORE
+    ))
+    private float changeTickPhaseBack(float previous)
+    {
+        // this may not set with optifine bitch
+        return initial==-1234.0f?previous:initial;
+    }
+
+}