From 202c2213d92f6dde6a3b4689c66aa7d02e575b42 Mon Sep 17 00:00:00 2001
From: nmzik <Nmzik@mail.ru>
Date: Sat, 6 Jul 2024 15:11:29 +0400
Subject: [PATCH] V8: reduce number of polymorphic/megamorphic states (#600)

* V8: reduce number of polymorphic/megamorphic functions

* Set lastFrameVisited to -1
---
 src/base/TilesRendererBase.js | 3 +++
 src/three/TilesRenderer.js    | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/base/TilesRendererBase.js b/src/base/TilesRendererBase.js
index 2216d157..32c04260 100644
--- a/src/base/TilesRendererBase.js
+++ b/src/base/TilesRendererBase.js
@@ -359,6 +359,9 @@ export class TilesRendererBase {
 
 		tile.__basePath = tileSetDir;
 
+		tile._loadIndex = 0;
+		tile.__lastFrameVisited = - 1;
+
 	}
 
 	setTileActive( tile, state ) {
diff --git a/src/three/TilesRenderer.js b/src/three/TilesRenderer.js
index d3495907..b62a029d 100644
--- a/src/three/TilesRenderer.js
+++ b/src/three/TilesRenderer.js
@@ -532,6 +532,7 @@ export class TilesRenderer extends TilesRendererBase {
 
 			boundingVolume,
 
+			metadata: null,
 			scene: null,
 			geometry: null,
 			materials: null,
@@ -543,7 +544,6 @@ export class TilesRenderer extends TilesRendererBase {
 
 	async parseTile( buffer, tile, extension ) {
 
-		tile._loadIndex = tile._loadIndex || 0;
 		tile._loadIndex ++;
 
 		const uri = tile.content.uri;