Initial import of KREngine

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%404

objview/Classes/krengine/KRModel.h

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+//
+//  KRModel.h
+//  gldemo
+//
+//  Created by Kearwood Gilbert on 10-09-22.
+//  Copyright (c) 2010 Kearwood Software. All rights reserved.
+//
+
+#import <OpenGLES/ES2/gl.h>
+#import <OpenGLES/ES2/glext.h>
+#import <stdint.h>
+#import <vector>
+
+using std::vector;
+
+#ifndef KRMODEL_I
+#define KRMODEL_I
+
+#import "KRMaterialManager.h"
+
+
+
+class KRModel {
+    
+public:
+    KRModel(std::string path, KRMaterialManager *pMaterialManager);
+    ~KRModel();
+    
+    void render(GLuint program, GLuint iVertexAttrib, GLuint iNormalAttrib, GLuint iTangentAttrib, GLuint iTexCoordAttrib, KRMaterialManager *pMaterialManager);
+
+    GLfloat getMaxDimension();
+    GLfloat getMinX();
+    GLfloat getMaxX();
+    GLfloat getMinY();
+    GLfloat getMaxY();
+    GLfloat getMinZ();
+    GLfloat getMaxZ();
+    
+private:
+    
+    void loadWavefront(std::string path, KRMaterialManager *pMaterialManager);
+    void loadPack(std::string path, KRMaterialManager *pMaterialManager);
+    
+    int m_fdPackFile;
+    void *m_pPackFile;
+    int m_iPackFileSize;
+    
+    typedef struct {
+        char szTag[16];
+        float minx, miny, minz, maxx, maxy, maxz;
+        int32_t vertex_count;
+        int32_t material_count;
+    } pack_header;
+    
+    typedef struct {
+        int32_t start_vertex;
+        int32_t vertex_count;
+        char szName[64];
+    } pack_material;
+    
+    typedef struct {
+        GLfloat x;
+        GLfloat y;
+        GLfloat z;
+    } Vertex3D, Vector3D;
+    
+    typedef struct {
+        GLfloat u;
+        GLfloat v;
+    } TexCoord;
+    
+    typedef struct {
+        Vertex3D vertex;
+        Vector3D normal;
+        Vector3D tangent;
+        TexCoord texcoord;
+    } VertexData;
+    
+    VertexData *m_pVertexData;
+    
+    typedef struct {
+        GLint start_vertex;
+        GLsizei vertex_count;
+        KRMaterial *pMaterial;
+    } Material;
+    
+    GLsizei m_cBuffers;
+    GLuint *m_pBuffers;
+    
+    vector<Material *> m_materials;
+    
+    GLfloat m_minx, m_miny, m_minz, m_maxx, m_maxy, m_maxz;
+
+};
+
+
+#endif // KRMODEL_I