git-svn-id: svn://db.shs.com.ru/libs@626 a8b55f48-bf90-11e4-a774-851b48703e85

2019-11-22 15:20:52 +00:00
parent 5e2b563d57
commit 09248aae34
128 changed files with 16038 additions and 0 deletions
--- a/qglengine/glmesh.h
+++ b/qglengine/glmesh.h
@@ -0,0 +1,98 @@
+/*
+	QGLView
+	Copyright (C) 2019  Ivan Pelipenko peri4ko@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef GLMESH_H
+#define GLMESH_H
+
+#include <chunkstream.h>
+#include "glbuffer.h"
+#include "glshaders_types.h"
+
+
+class Mesh
+{
+	friend class ObjectBase;
+	friend class Scene;
+	friend class Renderer;
+	friend QDataStream & operator <<(QDataStream & s, const Mesh * m);
+	friend QDataStream & operator >>(QDataStream & s, Mesh *& m);
+public:
+	Mesh();
+	~Mesh();
+
+	Mesh * clone();
+
+	//GLVBO & operator =(const GLVBO & o) {return *this;}
+
+	void init    (QOpenGLExtraFunctions * f);
+	void destroy (QOpenGLExtraFunctions * f);
+	bool rebuffer(QOpenGLExtraFunctions * f);
+	void draw    (QOpenGLExtraFunctions * f, int count);
+	void clear();
+	void loadObject    (QOpenGLExtraFunctions * f, const QGLEngineShaders::Object & object);
+	void loadObjects   (QOpenGLExtraFunctions * f, const QVector<QGLEngineShaders::Object> & objects);
+	void loadSelections(QOpenGLExtraFunctions * f, const QVector<uchar> & sels);
+
+	int verticesCount() const {return vertices_.size();}
+	int trianglesCount() const {return triangles_.size();}
+	bool isInit() const {return vao != 0;}
+	bool isEmpty() const {return vertices_.isEmpty();}
+	uint hash() const;
+
+	QVector<QVector3D> & vertices () {changed = hash_changed = true; return vertices_;}
+	QVector<QVector3D> & normals  () {changed = hash_changed = true; return normals_;}
+	QVector<QVector2D> & texcoords() {changed = hash_changed = true; return texcoords_;}
+	QVector< Vector3i> & indices  () {changed = hash_changed = true; return triangles_;}
+
+	void translatePoints(const QVector3D & dp);
+	void scalePoints    (const QVector3D & dp);
+	void append(const Mesh * m);
+
+	bool saveToFile(const QString & filename);
+	bool loadFromFile(const QString & filename);
+
+	Box3D boundingBox() const;
+
+	static void prepareDrawGeom(QOpenGLExtraFunctions * f);
+	static void prepareDrawObj (QOpenGLExtraFunctions * f);
+	static void prepareDrawSel (QOpenGLExtraFunctions * f);
+
+private:
+	void calculateNormals();
+	void calculateTangents();
+	void loadBuffer(QOpenGLExtraFunctions * f, Buffer & buf, const void * data, int size);
+
+	QVector<QVector3D> vertices_, normals_, tangents_, bitangents_;
+	QVector<QVector2D> texcoords_;
+	QVector< Vector3i> triangles_;
+
+	QVector<QGLEngineShaders::Vertex> data_;
+	GLenum vao;
+	Buffer buffer_geom, buffer_ind, buffer_obj, buffer_sel;
+	mutable uint hash_;
+	mutable bool hash_changed;
+	int vert_count;
+	bool changed, objects_changed, selected_changed;
+
+};
+
+
+QDataStream & operator <<(QDataStream & s, const Mesh * m);
+QDataStream & operator >>(QDataStream & s, Mesh *& m);
+
+#endif // GLMESH_H