mirror of
https://github.com/scp-fs2open/fs2open.github.com.git
synced 2026-11-10 17:46:53 -10:00
taylor
4501140263
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@4080 387891d4-d844-0410-90c0-e4c51a9137d3
140 lines
4.7 KiB
C
140 lines
4.7 KiB
C
/*
|
|
* Copyright (C) Volition, Inc. 1999. All rights reserved.
|
|
*
|
|
* All source code herein is the property of Volition, Inc. You may not sell
|
|
* or otherwise commercially exploit the source or things you created based on the
|
|
* source.
|
|
*
|
|
*/
|
|
|
|
|
|
/*
|
|
* $Logfile: /Freespace2/code/Graphics/GrOpenGLLight.h $
|
|
* $Revision: 1.11 $
|
|
* $Date: 2007-03-22 20:49:53 $
|
|
* $Author: taylor $
|
|
*
|
|
* header file containing definitions for HT&L lighting in OpenGL
|
|
*
|
|
* $Log: not supported by cvs2svn $
|
|
* Revision 1.10 2007/01/07 13:07:22 taylor
|
|
* slight change to emission light settings
|
|
* change default ambient light settings back to proper values
|
|
* add support for lighting falloff with directional lights
|
|
* some minor performance improvements
|
|
*
|
|
* Revision 1.9 2006/04/12 01:10:35 taylor
|
|
* some cleanup and slight reorg
|
|
* - remove special uv offsets for non-standard res, they were stupid anyway and don't actually fix the problem (which should actually be fixed now)
|
|
* - avoid some costly math where possible in the drawing functions
|
|
* - add opengl_error_string(), this is part of a later update but there wasn't a reason to not go ahead and commit this peice now
|
|
* - minor cleanup to Win32 extension defines
|
|
* - make opengl_lights[] allocate only when using OGL
|
|
* - cleanup some costly per-frame lighting stuff
|
|
* - clamp textures for interface and aabitmap (font) graphics since they shouldn't normally repeat anyway (the default)
|
|
* (doing this for D3D, if it doesn't already, may fix the blue-lines problem since a similar issue was seen with OGL)
|
|
*
|
|
* Revision 1.8 2006/01/30 06:40:49 taylor
|
|
* better lighting for OpenGL
|
|
* remove some extra stuff that was from sectional bitmaps since we don't need it anymore
|
|
* some basic lighting code cleanup
|
|
*
|
|
* Revision 1.7 2005/09/05 09:36:41 taylor
|
|
* merge of OSX tree
|
|
* fix OGL fullscreen switch for SDL since the old way only worked under Linux and not OSX or Windows
|
|
* fix OGL version check, it would allow a required major version to be higher if the required minor version was lower than current
|
|
*
|
|
* Revision 1.6 2005/07/13 03:15:51 Goober5000
|
|
* remove PreProcDefine #includes in FS2
|
|
* --Goober5000
|
|
*
|
|
* Revision 1.5 2005/04/12 02:04:56 phreak
|
|
* gr_set_ambient_light() function for the ambient light sliders in FRED
|
|
*
|
|
* Revision 1.4 2005/02/04 10:12:29 taylor
|
|
* merge with Linux/OSX tree - p0204
|
|
*
|
|
* Revision 1.3 2005/01/03 18:45:22 taylor
|
|
* dynamic allocation of num supported OpenGL lights
|
|
* add config option for more realistic light settings
|
|
* don't render spec maps in nebula to address lighting issue
|
|
*
|
|
* Revision 1.2 2004/08/11 05:06:24 Kazan
|
|
* added preprocdefines.h to prevent what happened with fred -- make sure to make all fred2 headers include this file as the _first_ include -- i have already modified fs2 files to do this
|
|
*
|
|
* Revision 1.1 2004/05/24 07:25:32 taylor
|
|
* filename case change
|
|
*
|
|
* Revision 2.4 2004/04/26 13:02:27 taylor
|
|
* light setup changes, support cmdline ambient value
|
|
*
|
|
* Revision 2.3 2004/04/13 01:55:41 phreak
|
|
* put in the correct fields for the CVS comments to register
|
|
* fixed a glowmap problem that occured when rendering glowmapped and non-glowmapped ships
|
|
*
|
|
*
|
|
* $NoKeywords: $
|
|
*/
|
|
|
|
#ifndef _GROPENGLLIGHT_H
|
|
#define _GROPENGLLIGHT_H
|
|
|
|
#include "graphics/gropengl.h"
|
|
|
|
|
|
struct ogl_light_color {
|
|
float r,g,b,a;
|
|
};
|
|
|
|
// Structures
|
|
struct opengl_light
|
|
{
|
|
ogl_light_color Diffuse, Specular, Ambient;
|
|
|
|
// light position
|
|
struct {
|
|
float x, y, z, w;
|
|
} Position;
|
|
|
|
// spotlight direction (for tube lights)
|
|
struct {
|
|
float x, y, z;
|
|
} SpotDir;
|
|
|
|
float SpotExp, SpotCutOff;
|
|
float ConstantAtten, LinearAtten, QuadraticAtten;
|
|
|
|
bool occupied;
|
|
int priority;
|
|
int type;
|
|
|
|
// opengl_light() : occupied(false), priority(1), type(0) {};
|
|
};
|
|
|
|
struct light_data;
|
|
|
|
//Variables
|
|
extern opengl_light *opengl_lights;
|
|
extern bool *currently_enabled_lights;
|
|
extern bool lighting_is_enabled;
|
|
extern GLint GL_max_lights;
|
|
extern int Num_active_gl_lights;
|
|
extern int GL_center_alpha;
|
|
|
|
//Functions
|
|
void FSLight2GLLight(light *FSLight, opengl_light *GLLight);
|
|
int gr_opengl_make_light(light *fs_light, int idx, int priority); //unused -- stub function
|
|
void gr_opengl_modify_light(light *fs_light, int idx, int priority); //unused -- stub function
|
|
void gr_opengl_destroy_light(int idx); //unused -- stub function
|
|
void gr_opengl_set_light(light *fs_light);
|
|
void gr_opengl_reset_lighting();
|
|
void gr_opengl_set_lighting(bool set, bool state);
|
|
void opengl_pre_render_init_lights();
|
|
void opengl_change_active_lights(int);
|
|
void opengl_init_light();
|
|
void gr_opengl_center_alpha(int type);
|
|
void gr_opengl_set_center_alpha(int type);
|
|
void gr_opengl_set_ambient_light(int red, int green, int blue);
|
|
|
|
#endif //_GROPENGLLIGHT_H
|