initial commit, 4.5 stable

scene/resources/immediate_mesh.h

@@ -0,0 +1,115 @@
+/**************************************************************************/
+/*  immediate_mesh.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/templates/local_vector.h"
+#include "scene/resources/mesh.h"
+
+class ImmediateMesh : public Mesh {
+	GDCLASS(ImmediateMesh, Mesh)
+
+	RID mesh;
+
+	bool uses_colors = false;
+	bool uses_normals = false;
+	bool uses_tangents = false;
+	bool uses_uvs = false;
+	bool uses_uv2s = false;
+
+	Color current_color;
+	Vector3 current_normal;
+	Plane current_tangent;
+	Vector2 current_uv;
+	Vector2 current_uv2;
+
+	LocalVector<Color> colors;
+	LocalVector<Vector3> normals;
+	LocalVector<Plane> tangents;
+	LocalVector<Vector2> uvs;
+	LocalVector<Vector2> uv2s;
+	LocalVector<Vector3> vertices;
+
+	struct Surface {
+		PrimitiveType primitive;
+		Ref<Material> material;
+		bool vertex_2d = false;
+		int array_len = 0;
+		uint64_t format = 0;
+		AABB aabb;
+	};
+
+	LocalVector<Surface> surfaces;
+
+	bool surface_active = false;
+	Surface active_surface_data;
+
+	Vector<uint8_t> surface_vertex_create_cache;
+	Vector<uint8_t> surface_attribute_create_cache;
+
+	const Vector3 SMALL_VEC3 = Vector3(CMP_EPSILON, CMP_EPSILON, CMP_EPSILON);
+
+protected:
+	static void _bind_methods();
+
+public:
+	void surface_begin(PrimitiveType p_primitive, const Ref<Material> &p_material = Ref<Material>());
+	void surface_set_color(const Color &p_color);
+	void surface_set_normal(const Vector3 &p_normal);
+	void surface_set_tangent(const Plane &p_tangent);
+	void surface_set_uv(const Vector2 &p_uv);
+	void surface_set_uv2(const Vector2 &p_uv2);
+	void surface_add_vertex(const Vector3 &p_vertex);
+	void surface_add_vertex_2d(const Vector2 &p_vertex);
+	void surface_end();
+
+	void clear_surfaces();
+
+	virtual int get_surface_count() const override;
+	virtual int surface_get_array_len(int p_idx) const override;
+	virtual int surface_get_array_index_len(int p_idx) const override;
+	virtual Array surface_get_arrays(int p_surface) const override;
+	virtual TypedArray<Array> surface_get_blend_shape_arrays(int p_surface) const override;
+	virtual Dictionary surface_get_lods(int p_surface) const override;
+	virtual BitField<ArrayFormat> surface_get_format(int p_idx) const override;
+	virtual PrimitiveType surface_get_primitive_type(int p_idx) const override;
+	virtual void surface_set_material(int p_idx, const Ref<Material> &p_material) override;
+	virtual Ref<Material> surface_get_material(int p_idx) const override;
+	virtual int get_blend_shape_count() const override;
+	virtual StringName get_blend_shape_name(int p_index) const override;
+	virtual void set_blend_shape_name(int p_index, const StringName &p_name) override;
+
+	virtual AABB get_aabb() const override;
+
+	virtual RID get_rid() const override;
+
+	ImmediateMesh();
+	~ImmediateMesh();
+};