From e78d399df9d01c7684798df5021b3c7ef5c921e5 Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Thu, 8 Feb 2024 13:25:53 -0600
Subject: [PATCH] feat(model): add bone flag enum

---
 src/lib/model/M2Model.ts |  3 ++-
 src/lib/model/const.ts   | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/lib/model/M2Model.ts b/src/lib/model/M2Model.ts
index 20072c6..732b440 100644
--- a/src/lib/model/M2Model.ts
+++ b/src/lib/model/M2Model.ts
@@ -1,7 +1,7 @@
 import { IoMode, IoSource, openStream } from '@wowserhq/io';
 import * as io from '@wowserhq/io';
 import * as m2Io from './io/m2.js';
-import { M2_MODEL_FLAG } from './const.js';
+import { M2_BONE_FLAG, M2_MODEL_FLAG } from './const.js';
 import {
   M2Sequence,
   M2Track,
@@ -191,5 +191,6 @@ export {
   M2Sequence,
   M2TextureWeight,
   M2TextureTransform,
+  M2_BONE_FLAG,
   M2_MODEL_FLAG,
 };
diff --git a/src/lib/model/const.ts b/src/lib/model/const.ts
index 063ac0d..48608ef 100644
--- a/src/lib/model/const.ts
+++ b/src/lib/model/const.ts
@@ -1,3 +1,14 @@
+enum M2_BONE_FLAG {
+  FLAG_SPHERICAL_BILLBOARD = 0x8,
+  FLAG_CYLINDRICAL_BILLBOARD_X = 0x10,
+  FLAG_CYLINDRICAL_BILLBOARD_Y = 0x20,
+  FLAG_CYLINDRICAL_BILLBOARD_Z = 0x40,
+  FLAG_BILLBOARD = FLAG_SPHERICAL_BILLBOARD |
+    FLAG_CYLINDRICAL_BILLBOARD_X |
+    FLAG_CYLINDRICAL_BILLBOARD_Y |
+    FLAG_CYLINDRICAL_BILLBOARD_Z,
+}
+
 enum M2_MODEL_FLAG {
   USE_COMBINER_COMBOS = 0x8,
 }
@@ -103,6 +114,7 @@ enum M2_FRAGMENT_SHADER {
 }
 
 export {
+  M2_BONE_FLAG,
   M2_MODEL_FLAG,
   M2_MATERIAL_BLEND,
   M2_MATERIAL_FLAG,