Switched to 64FNV-1a as shapes keying algorithm as collision resistant

Allow shapes to be sent in bulk as one / few packets
Optimized rendering of shapes that not render all faces
Moving shapes render now smoothly with higher framerates

src/main/java/carpet/mixins/WorldRenderer_scarpetRenderMixin.java

@@ -0,0 +1,32 @@
+package carpet.mixins;
+
+import carpet.network.CarpetClient;
+import carpet.script.utils.ShapesRenderer;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.render.BufferBuilderStorage;
+import net.minecraft.client.render.Camera;
+import net.minecraft.client.render.GameRenderer;
+import net.minecraft.client.render.LightmapTextureManager;
+import net.minecraft.client.render.WorldRenderer;
+import net.minecraft.client.util.math.Matrix4f;
+import net.minecraft.client.util.math.MatrixStack;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(WorldRenderer.class)
+public class WorldRenderer_scarpetRenderMixin
+{
+    @Inject(method = "<init>", at = @At("RETURN"))
+    private void addRenderers(MinecraftClient client, BufferBuilderStorage bufferBuilders, CallbackInfo ci)
+    {
+        CarpetClient.shapes = new ShapesRenderer(client);
+    }
+
+    @Inject(method = "render", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/render/debug/DebugRenderer;render(Lnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumerProvider$Immediate;DDD)V"))
+    private void renderScarpetThings(MatrixStack matrices, float tickDelta, long limitTime, boolean renderBlockOutline, Camera camera, GameRenderer gameRenderer, LightmapTextureManager lightmapTextureManager, Matrix4f matrix4f, CallbackInfo ci)
+    {
+        if (CarpetClient.shapes != null) CarpetClient.shapes.render(camera, tickDelta);
+    }
+}