92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
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* Copyright © 2012-2013 Graham Sellers
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*
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* This code is part of the OpenGL SuperBible, 6th Edition.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __OBJECT_H__
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#define __OBJECT_H__
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#include "sb6mfile.h"
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#ifndef SB6M_FILETYPES_ONLY
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#include <GL/glcorearb.h>
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namespace sb7
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{
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class object
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{
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public:
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object();
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~object();
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inline void render(unsigned int instance_count = 1,
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unsigned int base_instance = 0)
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{
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render_sub_object(0, instance_count, base_instance);
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}
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void render_sub_object(unsigned int object_index,
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unsigned int instance_count = 1,
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unsigned int base_instance = 0);
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void get_sub_object_info(unsigned int index, GLuint &first, GLuint &count)
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{
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if (index >= num_sub_objects)
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{
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first = 0;
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count = 0;
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}
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else
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{
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first = sub_object[index].first;
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count = sub_object[index].count;
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}
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}
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unsigned int get_sub_object_count() const { return num_sub_objects; }
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GLuint get_vao() const { return vao; }
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void load(const char * filename);
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void free();
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private:
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GLuint data_buffer;
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GLuint vao;
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GLuint index_type;
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GLuint index_offset;
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enum { MAX_SUB_OBJECTS = 256 };
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unsigned int num_sub_objects;
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SB6M_SUB_OBJECT_DECL sub_object[MAX_SUB_OBJECTS];
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};
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}
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#endif /* SB6M_FILETYPES_ONLY */
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#endif /* __OBJECT_H__ */
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