shd8bumpdiff_constants.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
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**  it under the terms of the GNU General Public License as published by
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**
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**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
// DX8 bump diffuse shader constants
// Kenny Mitchell - Westwood Studios EA 2002
 
#ifndef SHD8BUMPDIFF_CONSTANTS_H
#define SHD8BUMPDIFF_CONSTANTS_H
 
// vertex shader macros
 
 
#define CV_WORLD_VIEW_PROJECTION            1
 
#define CV_WORLD_VIEW_PROJECTION_0      1
#define CV_WORLD_VIEW_PROJECTION_1      2
#define CV_WORLD_VIEW_PROJECTION_2      3
#define CV_WORLD_VIEW_PROJECTION_3      4
 
 
#define CV_WORLD                                12
 
#define CV_WORLD_0                          12
#define CV_WORLD_1                          13
#define CV_WORLD_2                          14
#define CV_WORLD_3                          15
 
// 16-26 lighting constants
 
#define CV_BUMPINESS                            27
 
#define CV_EYE_WORLD                            28
 
#define CV_TEXMAP                               30
 
#define CV_TEXMAP_0                         30
#define CV_TEXMAP_1                         31
#define CV_TEXMAP_2                         32
#define CV_TEXMAP_3                         33
 
// inputs
#define V_POSITION                          v0
#define V_NORMAL                                v1
#define V_DIFFUSE                               v2
#define V_TEXTURE                               v3
#define V_S                                     v4
#define V_T                                     v5
#define V_SxT                                   v6
 
 
// registers
#define HALF_ANGLE          r0
 
#define S_WORLD             r1
 
#define T_WORLD             r2
#define SxT_WORLD               r3
#define LIGHT_LOCAL         r4
#define LIGHT_0             r5
#define LIGHT_1             r6
#define LIGHT_2             r7
#define LIGHT_3             r8
#define COL                     r9
#define WORLD_NORMAL            r10
 
#define EYE_VECTOR          r11
#define WORLD_VERTEX            r11
 
 
// pixel shader constants
 
#define OUTPUT_REG          r0
 
// texture stages
#define TEX_NORMALMAP   t0
#define TEX_DECAL           t1
 
#define COL_LIGHT           v0
#define COL_DIFFUSE     v1
 
 
 
#endif