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https://github.com/kevinbentley/Descent3.git
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283e003b73
Split linux geometry class implementation into own file, rename directx geometry.cpp to ds3dgeometry.cpp
106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/*
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* Descent 3
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* Copyright (C) 2024 Parallax Software
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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--- HISTORICAL COMMENTS FOLLOW ---
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* $Source: $
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* $Revision: 5 $
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* $Author: Samir $
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* $Date: 8/13/99 2:00p $
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*
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* Hardware occlusion and reflection sound support.
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*
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* $Log: /DescentIII/Main/Lib/ddsndgeometry.h $
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*
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* 5 8/13/99 2:00p Samir
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* more aureal and geometry fixes.
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*
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* 4 8/11/99 3:12p Samir
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* fixes for aureal support.
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*
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* 3 4/06/99 8:30p Samir
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* added reflection support.
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*
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* 2 3/29/99 10:52a Samir
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* occlusion support almost complete.
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*
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*/
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#ifndef DDSNDGEOMETRY_H
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#define DDSNDGEOMETRY_H
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#include "vecmat.h"
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// constants
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typedef int tSoundMaterial; // value returned by geometry system.
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// a list of predefined sound materials.
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const int SNDGEO_MATERIAL_COUNT = 8;
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const tSoundMaterial SNDGEO_MATERIAL_NONE = -1, SNDGEO_MATERIAL_ROCK = 0, SNDGEO_MATERIAL_WATER = 1,
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SNDGEO_MATERIAL_METAL = 2;
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//////////////////////////////////////////////////////////////////////////////
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class llsSystem;
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class llsGeometry {
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public:
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llsGeometry();
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bool Init(llsSystem *snd_sys); // specify a sound library to associate geometry with
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void Shutdown(); // closes low level geometry system.
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void StartFrame();
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void EndFrame();
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// polygon lists
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void IsGroupValid(int group); // is a group cached?, check before rendering it.
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void StartPolygonGroup(int group); // marks beginning of a list of polygons to render, (-1 group for non cache)
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void EndPolygonGroup(int group); // ends a list of polygons to render.
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void RenderGroup(int group); // renders a group.
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// clears out geometry info
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void Clear();
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// primitives, nv = number of verts, and verts is an array of pointers to vertices.
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// you can pass a sound material value if you want special reflective properties on this polygon.
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void AddPoly(int nv, vector **verts, unsigned tag, tSoundMaterial material = SNDGEO_MATERIAL_NONE);
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private:
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void AddQuad(unsigned tag, vector **verts); // 4 verts here.
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void AddTriangle(unsigned tag, vector **verts); // 3 verts here.
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private:
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llsSystem *m_snd_system; // sound library attached.
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int n_primatives_used; // number of primatives rendered this frame.
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int n_reflections_used;
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int n_materials_used;
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char m_snd_mixer; // current sound mixer attached.
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bool m_in_group; // a group of polys is being defined.
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bool m_lib_init;
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private:
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void CreateMaterial(tSoundMaterial material, float transmit_gain, float transmit_highfreq, float reflect_gain,
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float reflect_highfreq);
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void DestroyMaterial(tSoundMaterial material);
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private: // sound material list.
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void *m_snd_materials[SNDGEO_MATERIAL_COUNT];
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};
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#endif
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