cvsroot/libgender/material.h

#ifndef MATERIAL_H
#define MATERIAL_H

#include <vector>
#include <string>
#include <sstream>

using namespace std;

#include "util.h"
#include "shader.h"

struct texture_execption
{ 
  texture_execption (string s) : msg(s) { }
  string msg; 
};

inline int power_of_two (int input)
{
  int value = 1;

  while (value < input)
    {
      value <<= 1;
    }
  return value;
}

struct material
{
  virtual void enable () = 0;
  virtual void disable () = 0;
  virtual ~material ();
};

struct simple_material : material
{
  colour diffuse, specular, emission;
  GLfloat shininess;

  void enable ();
  void disable ();

  simple_material () 
  : diffuse(1, 0, 1, 1)
  , specular(1, 0, 1, 1)
  , emission(1, 0, 1, 1)
  , shininess(1.)
  {
  }
};

struct texture
{
  SDL_Surface *image;
  GLuint name;
  GLfloat texcoord[4];

  GLuint load_texture (SDL_Surface *surface, GLfloat *texcoord);

  texture(const char *f)
  {
    image = IMG_Load (f);

    if (!image) 
      throw (texture_execption ("Couldn't load " + (string) f + ": " + (string) IMG_GetError ()));

    name = load_texture (image, (GLfloat*)&texcoord);
    if (name == 0) 
      throw (texture_execption ("Couldn't make GL Texture, failed to create new RGB SWSurface"));
  }
};

struct test_material
{
  shader::program_object p;
  texture tex;
  shader::sampler_2d texvar;

  test_material ();
  void enable ();
  void disable ();
};

#endif


Revision:	1.12
Committed:	Fri Oct 29 15:58:50 2004 UTC (21 years, 11 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+16 -69 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#ifndef MATERIAL_H
2			#define MATERIAL_H
3
4	root	1.5	#include <vector>
5			#include <string>
6			#include <sstream>
7
8	root	1.11	using namespace std;
9	root	1.5
10	root	1.1	#include "util.h"
11	root	1.12	#include "shader.h"
12	root	1.3
13			struct texture_execption
14			{
15			texture_execption (string s) : msg(s) { }
16			string msg;
17			};
18
19			inline int power_of_two (int input)
20			{
21			int value = 1;
22
23			while (value < input)
24			{
25			value <<= 1;
26			}
27			return value;
28			}
29
30	root	1.1	struct material
31			{
32	root	1.12	virtual void enable () = 0;
33			virtual void disable () = 0;
34	root	1.1	virtual ~material ();
35			};
36
37			struct simple_material : material
38			{
39			colour diffuse, specular, emission;
40			GLfloat shininess;
41
42	root	1.12	void enable ();
43			void disable ();
44	root	1.1
45			simple_material ()
46			: diffuse(1, 0, 1, 1)
47			, specular(1, 0, 1, 1)
48			, emission(1, 0, 1, 1)
49			, shininess(1.)
50			{
51			}
52			};
53
54	root	1.3	struct texture
55			{
56			SDL_Surface *image;
57	root	1.12	GLuint name;
58	root	1.3	GLfloat texcoord[4];
59
60			GLuint load_texture (SDL_Surface surface, GLfloat texcoord);
61
62			texture(const char *f)
63			{
64			image = IMG_Load (f);
65
66			if (!image)
67			throw (texture_execption ("Couldn't load " + (string) f + ": " + (string) IMG_GetError ()));
68
69	root	1.12	name = load_texture (image, (GLfloat*)&texcoord);
70			if (name == 0)
71	root	1.3	throw (texture_execption ("Couldn't make GL Texture, failed to create new RGB SWSurface"));
72			}
73			};
74
75	root	1.12	struct test_material
76	root	1.3	{
77	root	1.12	shader::program_object p;
78			texture tex;
79			shader::sampler_2d texvar;
80
81			test_material ();
82			void enable ();
83			void disable ();
84	root	1.3	};
85
86	root	1.1	#endif
87
88