draw_static_triangles.H

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// Copyright (C) 2008 Christopher Mire
// Copyright (C) 2008 University of Louisiana at Lafayette
// Authors: Christopher Mire

#ifndef CAJUN_DRAW_STATIC_TRIANGLES_H
#define CAJUN_DRAW_STATIC_TRIANGLES_H

#include "data_queue.H"
#include "conf.H"
#include "component_interface.H"
#include <vector>
#include <fstream>

#include "GL/glx.h"

#ifdef VR_JUGGLER
#include <vrj/Draw/OGL/GlContextData.h>
#endif

namespace cajun
{
        class draw_static_triangles_t :  public component_interface_t
        {
        public:
                draw_static_triangles_t (double cbviz_orgin_[3],conf_t &conf,
                                         char const *indices_file_,
                                         char const *vertices_file_);
                virtual ~draw_static_triangles_t ();
                void update_data (double bot_pos_[3]);
                void display (double bot_pos[3]);
                void toggle_display ();
                void init_data ();

                bool load_vertices ();
                bool load_indices ();
                bool load_triangles ();
        private:
                struct point_t
                {
                        point_t () {;}
                        point_t (float pt_x_, float pt_y_, float pt_z_)
                                : x (pt_x_), y (pt_y_), z (pt_z_)
                                {}
                        point_t (double pt_x_, double pt_y_, double pt_z_)
                                : x (pt_x_), y (pt_y_), z (pt_z_)
                                {}
                        float x, y, z;
                        float normal_x, normal_y, normal_z;
                        uint8_t r,g,b,a;
                };

                std::vector<point_t> m_vertex_data;
                std::vector<unsigned> m_indices;

                size_t m_num_indices;

                bool m_triangle_draw;

#ifdef VR_JUGGLER
                vrj::GlContextData<GLuint> m_vbo_tri_vert_name;
                vrj::GlContextData<GLuint> m_vbo_tri_element_name;
#else
                unsigned m_vbo_tri_vert_name;
                unsigned m_vbo_tri_element_name;
#endif
                unsigned m_vbo_support;

                bool m_load_triangles_files;
                std::ifstream m_indices_file;
                std::ifstream m_vertices_file;

                PFNGLGENBUFFERSARBPROC glGenBuffersARB;
                PFNGLBINDBUFFERARBPROC glBindBufferARB;
                PFNGLBUFFERDATAARBPROC glBufferDataARB;
                PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB;
                PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB;
                PFNGLDRAWRANGEELEMENTSEXTPROC glDrawRangeElementsEXT;
        };
}
#endif

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