Add profiler instance back

This time we wrap the Vanilla profiler so that the F3 screen
works.

src/main/java/ca/spottedleaf/leafprofiler/client/ClientProfilerInstance.java

@@ -31,6 +31,8 @@ public final class ClientProfilerInstance implements ProfilerFiller {
         }
     }
 
+    private static final double LARGE_TICK_THRESHOLD = 1.0 - 0.05;
+
     private final LProfilerRegistry registry = new LProfilerRegistry();
     private final TickAccumulator tickAccumulator = new TickAccumulator(TimeUnit.SECONDS.toNanos(1L));
 
@@ -44,20 +46,23 @@ public final class ClientProfilerInstance implements ProfilerFiller {
     private LeafProfiler delayedFrameProfiler;
     private LeafProfiler frameProfiler;
 
-    private static final double LARGE_TICK_THRESHOLD = 1.0 - 0.05;
-
     private long tick;
 
     private final List<LargeTick> largeTicks = new ArrayList<>();
 
     private static record LargeTick(long tickNum, LeafProfiler.ProfilingData profile) {}
 
-    public void startProfiler() {
-        this.delayedFrameProfiler = new LeafProfiler(this.registry, new LProfileGraph());
+    public ClientProfilerInstance() {
+        this.reset();
     }
 
-    public void stopProfiler() {
-        this.delayedFrameProfiler = null;
+    public void reset() {
+        this.previousTickStart = TickTime.DEADLINE_NOT_SET;
+        this.tickStart = TickTime.DEADLINE_NOT_SET;
+        this.tickStartCPU = TickTime.DEADLINE_NOT_SET;
+        this.tick = 0L;
+        this.largeTicks.clear();
+        this.delayedFrameProfiler = new LeafProfiler(this.registry, new LProfileGraph());
     }
 
     @Override

src/main/java/ca/spottedleaf/moonrise/mixin/profiler/MinecraftMixin.java

@@ -3,23 +3,19 @@ package ca.spottedleaf.moonrise.mixin.profiler;
 import ca.spottedleaf.leafprofiler.client.ClientProfilerInstance;
 import com.mojang.blaze3d.platform.WindowEventHandler;
 import net.minecraft.client.Minecraft;
-import net.minecraft.util.profiling.ContinuousProfiler;
+import net.minecraft.util.profiling.InactiveProfiler;
 import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraft.util.profiling.SingleTickProfiler;
 import net.minecraft.util.thread.ReentrantBlockableEventLoop;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Overwrite;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 @Mixin(Minecraft.class)
 abstract class MinecraftMixin extends ReentrantBlockableEventLoop<Runnable> implements WindowEventHandler {
 
-    @Shadow
-    @Final
-    private ContinuousProfiler fpsPieProfiler;
-
     public MinecraftMixin(String string) {
         super(string);
     }
@@ -28,17 +24,25 @@ abstract class MinecraftMixin extends ReentrantBlockableEventLoop<Runnable> impl
     private final ClientProfilerInstance leafProfiler = new ClientProfilerInstance();
 
     /**
-     * @reason Use our own profiler for client
+     * @reason Insert our own profiler for client
      * @author Spottedleaf
      */
-    @Overwrite
-    public ProfilerFiller constructProfiler(final boolean shouldRenderFPSPie, final SingleTickProfiler singleTickProfiler) {
-        if (shouldRenderFPSPie) {
-            this.fpsPieProfiler.enable();
-        } else {
-            this.fpsPieProfiler.disable();
+    @Inject(
+        method = "constructProfiler",
+        cancellable = true,
+        at = @At(
+            value = "RETURN"
+        )
+    )
+    public void addOurProfiler(final boolean shouldRenderFPSPie, final SingleTickProfiler singleTickProfiler,
+                               final CallbackInfoReturnable<ProfilerFiller> cir) {
+        final ProfilerFiller ret = cir.getReturnValue();
+
+        if (ret == null || ret == InactiveProfiler.INSTANCE) {
+            this.leafProfiler.reset();
+            return;
         }
 
-        return this.leafProfiler;
+        cir.setReturnValue(ProfilerFiller.tee(this.leafProfiler, ret));
     }
 }

src/main/resources/moonrise.mixins.json

@@ -115,6 +115,7 @@
     "collisions.LiquidBlockRendererMixin",
     "collisions.ParticleMixin",
     "loading_screen.LevelLoadStatusManagerMixin",
+    "profiler.MinecraftMixin",
     "render.SectionRenderDispatcherMixin",
     "serverlist.ClientConnectionMixin",
     "serverlist.ServerAddressResolverMixin",