[3.x] GLTF: Move shared defines into a file and only list used extensions

modules/gltf/gltf_accessor.cpp

@@ -65,7 +65,7 @@ void GLTFAccessor::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "component_type"), "set_component_type", "get_component_type"); // int
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "normalized"), "set_normalized", "get_normalized"); // bool
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "count"), "set_count", "get_count"); // int
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "type"), "set_type", "get_type"); // GLTFDocument::GLTFType
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "type"), "set_type", "get_type"); // GLTFType
 	ADD_PROPERTY(PropertyInfo(Variant::POOL_REAL_ARRAY, "min"), "set_min", "get_min"); // Vector<real_t>
 	ADD_PROPERTY(PropertyInfo(Variant::POOL_REAL_ARRAY, "max"), "set_max", "get_max"); // Vector<real_t>
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "sparse_count"), "set_sparse_count", "get_sparse_count"); // int
@@ -121,7 +121,7 @@ int GLTFAccessor::get_type() {
 }
 
 void GLTFAccessor::set_type(int p_type) {
-	type = (GLTFDocument::GLTFType)p_type; // TODO: Register enum
+	type = (GLTFType)p_type; // TODO: Register enum
 }
 
 PoolVector<float> GLTFAccessor::get_min() {

modules/gltf/gltf_accessor.h

@@ -32,8 +32,7 @@
 #define GLTF_ACCESSOR_H
 
 #include "core/resource.h"
-
-#include "gltf_document.h"
+#include "gltf_defines.h"
 
 struct GLTFAccessor : public Resource {
 	GDCLASS(GLTFAccessor, Resource);
@@ -45,7 +44,7 @@ struct GLTFAccessor : public Resource {
 	int component_type = 0;
 	bool normalized = false;
 	int count = 0;
-	GLTFDocument::GLTFType type = GLTFDocument::TYPE_SCALAR;
+	GLTFType type = GLTFType::TYPE_SCALAR;
 	PoolVector<float> min;
 	PoolVector<float> max;
 	int sparse_count = 0;

modules/gltf/gltf_buffer_view.h

@@ -32,8 +32,7 @@
 #define GLTF_BUFFER_VIEW_H
 
 #include "core/resource.h"
-
-#include "gltf_document.h"
+#include "gltf_defines.h"
 
 class GLTFBufferView : public Resource {
 	GDCLASS(GLTFBufferView, Resource);

modules/gltf/gltf_defines.h

@@ -0,0 +1,90 @@
+/*************************************************************************/
+/*  gltf_defines.h                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GLTF_DEFINES_H
+#define GLTF_DEFINES_H
+
+// This file should only be included by other headers.
+
+// Godot classes used by GLTF headers.
+class AnimationPlayer;
+class BoneAttachment;
+class CSGShape;
+class DirectionalLight;
+class GridMap;
+class Light;
+class MultiMeshInstance;
+class Skeleton;
+class Skin;
+
+// GLTF classes.
+struct GLTFAccessor;
+class GLTFAnimation;
+class GLTFBufferView;
+class GLTFCamera;
+class GLTFDocument;
+class GLTFLight;
+class GLTFMesh;
+class GLTFNode;
+class GLTFSkeleton;
+class GLTFSkin;
+class GLTFSpecGloss;
+class GLTFState;
+class GLTFTexture;
+class GLTFTextureSampler;
+class PackedSceneGLTF;
+
+// GLTF index aliases.
+using GLTFAccessorIndex = int;
+using GLTFAnimationIndex = int;
+using GLTFBufferIndex = int;
+using GLTFBufferViewIndex = int;
+using GLTFCameraIndex = int;
+using GLTFImageIndex = int;
+using GLTFLightIndex = int;
+using GLTFMaterialIndex = int;
+using GLTFMeshIndex = int;
+using GLTFNodeIndex = int;
+using GLTFSkeletonIndex = int;
+using GLTFSkinIndex = int;
+using GLTFTextureIndex = int;
+using GLTFTextureSamplerIndex = int;
+
+enum GLTFType {
+	TYPE_SCALAR,
+	TYPE_VEC2,
+	TYPE_VEC3,
+	TYPE_VEC4,
+	TYPE_MAT2,
+	TYPE_MAT3,
+	TYPE_MAT4,
+};
+
+#endif // GLTF_DEFINES_H