1 /** 2 * @file 3 * @brief Functions to generate and render spheres 4 */ 5 /* 6 Copyright (C) 1997-2001 Id Software, Inc. 7 8 This program is free software; you can redistribute it and/or 9 modify it under the terms of the GNU General Public License 10 as published by the Free Software Foundation; either version 2 11 of the License, or (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16 17 See the GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 23 */ 24 25 #pragma once 26 27 typedef struct sphere_s { 28 GLint list; /**< the opengl list id */ 29 float* texes; /**< globe tex coords, points in 2D on the texture to be mapped onto the sphere */ 30 float* verts; /**< globe vertices, points in 3D on the surface of the sphere */ 31 float* normals; /**< vertex normal array */ 32 image_t* texture; /**< the texture for this globe - @note scaled texture matrix */ 33 image_t* blendTexture; /**< the texture for the next season (for blending) */ 34 image_t* overlay; /**< the overlay for the world (e.g. nation borders) */ 35 image_t* overlayAlphaMask; /**< in case of multitexture this is the alpha mask */ 36 image_t* normalMap; /**< bump map */ 37 int num_tris; /**< number of tris */ 38 39 /** @note extra stuff for new GLSL renderer*/ 40 r_program_t* glslProgram; 41 float blendScale; 42 float glowScale; 43 vec4_t nightLightPos; 44 int season; 45 } sphere_t; 46 47 extern sphere_t r_globeEarth; 48 extern sphere_t r_globeMoon; 49 extern sphere_t r_globeEarthAtmosphere; 50 51 void R_SphereGenerate(sphere_t* sphere, const int tris, const float radius); 52 void R_SphereRender(const sphere_t* sphere, const vec3_t pos, const vec3_t rotate, const float scale, const vec4_t lightPos); 53 void R_SphereInit(void); 54