vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
|
|
* This file is part of 0 A.D.
|
|
*
|
|
* 0 A.D. is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 0 A.D. is distributed in the hope that it will be useful,
|
|
* 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "precompiled.h"
|
|
|
|
#include "ParticleManager.h"
|
|
|
|
#include "ps/Filesystem.h"
|
|
#include "ps/Profile.h"
|
|
#include "renderer/Scene.h"
|
|
|
|
#include <unordered_map>
|
|
|
|
static Status ReloadChangedFileCB(void* param, const VfsPath& path)
|
|
{
|
|
return static_cast<CParticleManager*>(param)->ReloadChangedFile(path);
|
|
}
|
|
|
|
CParticleManager::CParticleManager() :
|
|
m_CurrentTime(0.f)
|
|
{
|
|
RegisterFileReloadFunc(ReloadChangedFileCB, this);
|
|
}
|
|
|
|
CParticleManager::~CParticleManager()
|
|
{
|
|
UnregisterFileReloadFunc(ReloadChangedFileCB, this);
|
|
}
|
|
|
|
CParticleEmitterTypePtr CParticleManager::LoadEmitterType(const VfsPath& path)
|
|
{
|
|
std::unordered_map<VfsPath, CParticleEmitterTypePtr>::iterator it = m_EmitterTypes.find(path);
|
|
if (it != m_EmitterTypes.end())
|
|
return it->second;
|
|
|
|
CParticleEmitterTypePtr emitterType(new CParticleEmitterType(path, *this));
|
|
m_EmitterTypes[path] = emitterType;
|
|
return emitterType;
|
|
}
|
|
|
|
void CParticleManager::AddUnattachedEmitter(const CParticleEmitterPtr& emitter)
|
|
{
|
|
m_UnattachedEmitters.push_back(emitter);
|
|
}
|
|
|
|
void CParticleManager::ClearUnattachedEmitters()
|
|
{
|
|
m_UnattachedEmitters.clear();
|
|
}
|
|
|
|
void CParticleManager::Interpolate(const float simFrameLength)
|
|
{
|
|
m_CurrentTime += simFrameLength;
|
|
}
|
|
|
|
struct EmitterHasNoParticles
|
|
{
|
|
bool operator()(const CParticleEmitterPtr& emitterPtr)
|
|
{
|
|
CParticleEmitter& emitter = *emitterPtr.get();
|
|
for (size_t i = 0; i < emitter.m_Particles.size(); ++i)
|
|
{
|
|
SParticle& p = emitter.m_Particles[i];
|
|
if (p.age < p.maxAge)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void CParticleManager::RenderSubmit(SceneCollector& collector, const CFrustum& UNUSED(frustum))
|
|
{
|
|
PROFILE("submit unattached particles");
|
|
|
|
// Delete any unattached emitters that have no particles left
|
|
m_UnattachedEmitters.remove_if(EmitterHasNoParticles());
|
|
|
|
// TODO: should do some frustum culling
|
|
|
|
for (std::list<CParticleEmitterPtr>::iterator it = m_UnattachedEmitters.begin(); it != m_UnattachedEmitters.end(); ++it)
|
|
collector.Submit(it->get());
|
|
}
|
|
|
|
Status CParticleManager::ReloadChangedFile(const VfsPath& path)
|
|
{
|
|
m_EmitterTypes.erase(path);
|
|
return INFO::OK;
|
|
}
|