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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*
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===========================================================================
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Copyright (C) 2008 Leszek Godlewski
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This file is part of OpenMoHAA source code.
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OpenMoHAA source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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OpenMoHAA source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenMoHAA source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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/*
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This file does not reference any globals, and has these entry points:
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struct terPatchCollide_s *CM_GenerateTerPatchCollide(vec3_t origin, byte heightmap[9][9]);
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void CM_TraceThroughTerPatchCollide(traceWork_t *tw, const struct terPatchCollide_s *tc);
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qboolean CM_PositionTestInTerPatchCollide(traceWork_t *tw, const struct terPatchCollide_s *tc);
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*/
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#ifndef CM_TERRAIN_H
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#define CM_TERRAIN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TER_QUADS_PER_ROW 8
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#define TER_TRIS_PER_PATCH (TER_QUADS_PER_ROW * TER_QUADS_PER_ROW * 2)
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#define TER_PLANES_PER_TRI 5
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typedef struct terTriangle_s {
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cplane_t planes[TER_PLANES_PER_TRI]; // 0 is the surface plane, 3 border planes follow and a cap to give it some finite volume
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} terTriangle_t;
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typedef struct terPatchCollide_s {
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vec3_t bounds[2];
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baseshader_t *shader;
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terTriangle_t tris[TER_TRIS_PER_PATCH];
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} terPatchCollide_t;
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typedef struct terrainCollideSquare_s {
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vec4_t plane[ 2 ];
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int eMode;
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} terrainCollideSquare_t;
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typedef struct terrainCollide_s {
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vec3_t vBounds[ 2 ];
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terrainCollideSquare_t squares[ 8 ][ 8 ];
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} terrainCollide_t;
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void CM_PrepareGenerateTerrainCollide( void );
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void CM_GenerateTerrainCollide( cTerraPatch_t *patch, terrainCollide_t *tc );
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int CM_TerrainSquareType( int iTerrainPatch, int i, int j );
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#ifdef __cplusplus
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}
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#endif
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#endif // CM_TERRAIN_H
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