Finished up MeshDataInstance.

SCsub

@@ -1,7 +1,13 @@
+import os
+
 Import('env')
 
 module_env = env.Clone()
 
+
+if os.path.isdir('../texture_packer'):
+    module_env.Append(CPPDEFINES=['TEXTURE_PACKER_PRESENT'])
+
 module_env.add_source_files(env.modules_sources,"register_types.cpp")
 
 module_env.add_source_files(env.modules_sources,"mesh_data_resource.cpp")

nodes/mesh_data_instance.cpp

@@ -1,5 +1,11 @@
 #include "mesh_data_instance.h"
 
+#if TEXTURE_PACKER_PRESENT
+#include "../../texture_packer/texture_resource/packer_image_resource.h"
+#endif
+
+#include "core/image.h"
+
 bool MeshDataInstance::get_snap_to_mesh() const {
 	return _snap_to_mesh;
 }
@@ -14,11 +20,19 @@ void MeshDataInstance::set_snap_axis(const Vector3 &value) {
 	_snap_axis = value;
 }
 
-Ref<MeshDataResource> MeshDataInstance::get_mesh() {
+Ref<MeshDataResource> MeshDataInstance::get_mesh_data() {
 	return _mesh;
 }
-void MeshDataInstance::set_mesh(const Ref<MeshDataResource> &mesh) {
+void MeshDataInstance::set_mesh_data(const Ref<MeshDataResource> &mesh) {
+	if (_mesh == mesh) {
+		return;
+	}
+
 	_mesh = mesh;
+
+	if (_mesh.is_valid() && is_inside_tree()) {
+		setup_mesh();
+	}
 }
 
 Ref<Texture> MeshDataInstance::get_texture() {
@@ -26,6 +40,81 @@ Ref<Texture> MeshDataInstance::get_texture() {
 }
 void MeshDataInstance::set_texture(const Ref<Texture> &texture) {
 	_texture = texture;
+
+	setup_material_texture();
+}
+
+Ref<Material> MeshDataInstance::get_material() {
+	return _material;
+}
+void MeshDataInstance::set_material(const Ref<Material> &mat) {
+	_material = mat;
+
+	setup_material_texture();
+}
+
+void MeshDataInstance::setup_mesh() {
+	if (!_mesh.is_valid()) {
+		return;
+	}
+
+	Array arr = _mesh->get_array();
+
+	Ref<ArrayMesh> mesh = get_mesh();
+
+	if (!mesh.is_valid()) {
+		mesh.instance();
+	}
+
+	for (int i = 0; i < mesh->get_surface_count(); ++i) {
+		mesh->surface_remove(i);
+	}
+
+	mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, arr);
+
+	if (_material.is_valid() && mesh->get_surface_count() > 0) {
+		mesh->surface_set_material(0, _material);
+	}
+
+	if (get_mesh() == mesh) {
+		return;
+	}
+
+	set_mesh(mesh);
+}
+
+void MeshDataInstance::setup_material_texture() {
+	if (!_texture.is_valid()) {
+		return;
+	}
+
+	if (_material.is_valid()) {
+		Ref<SpatialMaterial> sm = _material;
+
+		if (!sm.is_valid()) {
+			return;
+		}
+
+#if TEXTURE_PACKER_PRESENT
+		Ref<PackerImageResource> r = _texture;
+
+		if (r.is_valid()) {
+			Ref<Image> i = r->get_data();
+
+			Ref<ImageTexture> tex;
+			tex.instance();
+			tex->create_from_image(i, 0);
+
+			if (sm.is_valid()) {
+				sm->set_texture(SpatialMaterial::TEXTURE_ALBEDO, tex);
+			}
+
+			return;
+		}
+#endif
+
+		sm->set_texture(SpatialMaterial::TEXTURE_ALBEDO, _texture);
+	}
 }
 
 MeshDataInstance::MeshDataInstance() {
@@ -36,42 +125,16 @@ MeshDataInstance::~MeshDataInstance() {
 	_mesh.unref();
 	_texture.unref();
 }
-
+/*
 void MeshDataInstance::notification(int p_what) {
-	/*
 	switch (p_what) {
-		case NOTIFICATION_READY: {
+		case NOTIFICATION_ENTER_TREE: {
 			if (get_parent() == NULL)
 				return;
 		}
-		//fallthrough
-		case NOTIFICATION_PARENTED: {
-			Node *n = this;
-
-			while (n) {
-
-				PropInstance *pi = Object::cast_to<PropInstance>(n);
-
-				if (pi) {
-					_owner = pi;
-					pi->register_prop_mesh_data_instance(this);
-					return;
 	}
-
-				n = n->get_parent();
-			}
-
-		} break;
-		case NOTIFICATION_EXIT_TREE:
-		case NOTIFICATION_UNPARENTED: {
-			if (_owner) {
-				_owner->unregister_prop_mesh_data_instance(this);
-			}
-			break;
-		}
-	}*/
 }
-
+*/
 void MeshDataInstance::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_snap_to_mesh"), &MeshDataInstance::get_snap_to_mesh);
 	ClassDB::bind_method(D_METHOD("set_snap_to_mesh", "value"), &MeshDataInstance::set_snap_to_mesh);
@@ -81,11 +144,15 @@ void MeshDataInstance::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_snap_axis", "value"), &MeshDataInstance::set_snap_axis);
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "snap_axis"), "set_snap_axis", "get_snap_axis");
 
-	ClassDB::bind_method(D_METHOD("get_mesh"), &MeshDataInstance::get_mesh);
+	ClassDB::bind_method(D_METHOD("get_mesh_data"), &MeshDataInstance::get_mesh_data);
-	ClassDB::bind_method(D_METHOD("set_mesh", "value"), &MeshDataInstance::set_mesh);
+	ClassDB::bind_method(D_METHOD("set_mesh_data", "value"), &MeshDataInstance::set_mesh_data);
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "MeshDataResource"), "set_mesh", "get_mesh");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh_data", PROPERTY_HINT_RESOURCE_TYPE, "MeshDataResource"), "set_mesh_data", "get_mesh_data");
 
 	ClassDB::bind_method(D_METHOD("get_texture"), &MeshDataInstance::get_texture);
 	ClassDB::bind_method(D_METHOD("set_texture", "value"), &MeshDataInstance::set_texture);
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
+
+	ClassDB::bind_method(D_METHOD("get_material"), &MeshDataInstance::get_material);
+	ClassDB::bind_method(D_METHOD("set_material", "value"), &MeshDataInstance::set_material);
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "Material"), "set_material", "get_material");
 }

nodes/mesh_data_instance.h

@@ -27,11 +27,11 @@ SOFTWARE.
 #include "scene/resources/texture.h"
 
 #if VERSION_MAJOR < 4
-#include "scene/3d/spatial.h"
+#include "scene/3d/mesh_instance.h"
 #else
-#include "scene/3d/node_3d.h"
+#include "scene/3d/mesh_instance_3d.h"
 
-#define Spatial Node3D
+#define MeshInstance MeshInstance3D
 #define Texture Texture2D
 #endif
 
@@ -41,8 +41,8 @@ SOFTWARE.
 
 class PropInstance;
 
-class MeshDataInstance : public Spatial {
+class MeshDataInstance : public MeshInstance {
-	GDCLASS(MeshDataInstance, Spatial);
+	GDCLASS(MeshDataInstance, MeshInstance);
 
 public:
 	bool get_snap_to_mesh() const;
@@ -51,17 +51,23 @@ public:
 	Vector3 get_snap_axis() const;
 	void set_snap_axis(const Vector3 &value);
 
-	Ref<MeshDataResource> get_mesh();
+	Ref<MeshDataResource> get_mesh_data();
-	void set_mesh(const Ref<MeshDataResource> &mesh);
+	void set_mesh_data(const Ref<MeshDataResource> &mesh);
 
 	Ref<Texture> get_texture();
 	void set_texture(const Ref<Texture> &texture);
 
+	Ref<Material> get_material();
+	void set_material(const Ref<Material> &mat);
+
+	void setup_mesh();
+	void setup_material_texture();
+
 	MeshDataInstance();
 	~MeshDataInstance();
 
 protected:
-	void notification(int p_what);
+	//void notification(int p_what);
 	static void _bind_methods();
 
 private:
@@ -69,6 +75,7 @@ private:
 	Vector3 _snap_axis;
 	Ref<MeshDataResource> _mesh;
 	Ref<Texture> _texture;
+	Ref<Material> _material;
 };
 
 #endif