1 /* Copyright (C) 2011 Wildfire Games. 2 * This file is part of 0 A.D. 3 * 4 * 0 A.D. is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * 0 A.D. is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with 0 A.D. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef INCLUDED_PARTICLEMANAGER 19 #define INCLUDED_PARTICLEMANAGER 20 21 #include "graphics/ParticleEmitter.h" 22 #include "graphics/ParticleEmitterType.h" 23 24 #include <boost/random/mersenne_twister.hpp> 25 #include <boost/unordered_map.hpp> 26 27 class SceneCollector; 28 29 class CParticleManager 30 { 31 public: 32 CParticleManager(); 33 ~CParticleManager(); 34 35 CParticleEmitterTypePtr LoadEmitterType(const VfsPath& path); 36 37 /** 38 * Tell the manager to handle rendering of an emitter that is no longer 39 * attached to a unit. 40 */ 41 void AddUnattachedEmitter(const CParticleEmitterPtr& emitter); 42 43 /** 44 * Delete unattached emitters if we don't wish to see them anymore (like in actor viewer) 45 */ 46 void ClearUnattachedEmitters(); 47 48 void RenderSubmit(SceneCollector& collector, const CFrustum& frustum); 49 50 void Interpolate(const float simFrameLength); 51 GetCurrentTime()52 float GetCurrentTime() const { return m_CurrentTime; } 53 54 Status ReloadChangedFile(const VfsPath& path); 55 56 /// Random number generator shared between all particle emitters. 57 boost::mt19937 m_RNG; 58 59 private: 60 float m_CurrentTime; 61 62 std::list<CParticleEmitterPtr> m_UnattachedEmitters; 63 64 boost::unordered_map<VfsPath, CParticleEmitterTypePtr> m_EmitterTypes; 65 }; 66 67 #endif // INCLUDED_PARTICLEMANAGER 68