Timer system

Author: Avanatiker

common/src/main/java/com/lambda/mixin/render/RenderTickCounterMixin.java

@@ -0,0 +1,31 @@
+package com.lambda.mixin.render;
+
+import com.lambda.core.TimerManager;
+import net.minecraft.client.render.RenderTickCounter;
+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.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(RenderTickCounter.class)
+public class RenderTickCounterMixin {
+
+    @Shadow
+    public float lastFrameDuration;
+    @Shadow
+    public float tickDelta;
+    @Shadow
+    private long prevTimeMillis;
+
+    @Inject(method = "beginRenderTick", at = @At("HEAD"), cancellable = true)
+    private void beginRenderTick(long timeMillis, CallbackInfoReturnable<Integer> ci) {
+        lastFrameDuration = (timeMillis - prevTimeMillis) / TimerManager.getTickLength();
+        prevTimeMillis = timeMillis;
+        tickDelta += lastFrameDuration;
+        int i = (int) tickDelta;
+        tickDelta -= i;
+
+        ci.setReturnValue(i);
+    }
+}

common/src/main/kotlin/com/lambda/core/TimerManager.kt

@@ -0,0 +1,18 @@
+package com.lambda.core
+
+import com.lambda.event.EventFlow.post
+import com.lambda.event.events.ClientEvent
+import com.lambda.event.events.TickEvent
+import com.lambda.event.listener.UnsafeListener.Companion.unsafeListener
+
+object TimerManager {
+    @JvmStatic var tickLength = 50f; private set
+
+    init {
+        unsafeListener<TickEvent.Post> {
+            ClientEvent.Timer(1.0).post {
+                tickLength = 50f / speed.toFloat()
+            }
+        }
+    }
+}

common/src/main/kotlin/com/lambda/event/events/ClientEvent.kt

@@ -6,4 +6,5 @@ import com.lambda.event.Event
 abstract class ClientEvent : Event {
     class Shutdown : ClientEvent()
     class Startup : ClientEvent()
+    class Timer(var speed: Double) : Event
 }