From da063aacb4ab07c77d80adc47a0c36d29ea024d9 Mon Sep 17 00:00:00 2001
From: gnembon <gnembonmc@gmail.com>
Date: Tue, 9 Jul 2019 09:28:54 -0300
Subject: [PATCH] smooth low tps

---
 .../RenderTickCounter_tickSpeedMixin.java     | 23 +++++++++++++++++++
 .../java/carpet/settings/CarpetSettings.java  |  3 +++
 src/main/resources/carpet.mixins.json         |  1 +
 3 files changed, 27 insertions(+)
 create mode 100644 src/main/java/carpet/mixins/RenderTickCounter_tickSpeedMixin.java

diff --git a/src/main/java/carpet/mixins/RenderTickCounter_tickSpeedMixin.java b/src/main/java/carpet/mixins/RenderTickCounter_tickSpeedMixin.java
new file mode 100644
index 00000000..9e4927e0
--- /dev/null
+++ b/src/main/java/carpet/mixins/RenderTickCounter_tickSpeedMixin.java
@@ -0,0 +1,23 @@
+package carpet.mixins;
+
+import carpet.helpers.TickSpeed;
+import carpet.settings.CarpetSettings;
+import net.minecraft.client.render.RenderTickCounter;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(RenderTickCounter.class)
+public class RenderTickCounter_tickSpeedMixin {
+    @Redirect(method = "beginRenderTick", at = @At(
+            value = "FIELD",
+            target = "Lnet/minecraft/client/render/RenderTickCounter;timeScale:F"
+    ))
+    private float adjustTickSpeed(RenderTickCounter counter) {
+        if (CarpetSettings.smoothClientAnimations)
+        {
+            return Math.max(50.0f, TickSpeed.mspt);
+        }
+        return 50f;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/carpet/settings/CarpetSettings.java b/src/main/java/carpet/settings/CarpetSettings.java
index 02942790..1d46be6e 100644
--- a/src/main/java/carpet/settings/CarpetSettings.java
+++ b/src/main/java/carpet/settings/CarpetSettings.java
@@ -223,6 +223,9 @@ public class CarpetSettings
     @Rule(desc = "fill/clone/setblock and structure blocks cause block updates", category = CREATIVE)
     public static boolean fillUpdates = true;
 
+    @Rule(desc = "smooth client animations with low tps settings", extra = "works only in SP, and will slow down players", category = CREATIVE)
+    public static boolean smoothClientAnimations;
+
     private static class PushLimitLimits extends Validator<Integer> {
         @Override public Integer validate(ServerCommandSource source, ParsedRule<Integer> currentRule, Integer newValue, String string) {
             return (newValue>0 && newValue <= 1024) ? newValue : null;
diff --git a/src/main/resources/carpet.mixins.json b/src/main/resources/carpet.mixins.json
index a715a07c..3c35b4a8 100644
--- a/src/main/resources/carpet.mixins.json
+++ b/src/main/resources/carpet.mixins.json
@@ -113,6 +113,7 @@
     "WorldChunk_movableTEMixin"
   ],
   "client": [
+    "RenderTickCounter_tickSpeedMixin",
     "MinecraftClientMixin",
     "IntegratedServerMixin",
     "InGameHudMixin",