metaforce/Runtime/CStaticInterference.cpp

59 lines
1.8 KiB
C++

#include "Runtime/CStaticInterference.hpp"
#include <zeus/Math.hpp>
namespace urde {
CStaticInterference::CStaticInterference(int sourceCount) { m_sources.reserve(sourceCount); }
void CStaticInterference::RemoveSource(TUniqueId id) {
auto iter = std::find_if(m_sources.begin(), m_sources.end(),
[id](const CStaticInterferenceSource& src) -> bool { return src.id == id; });
if (iter != m_sources.end())
m_sources.erase(iter);
}
void CStaticInterference::Update(CStateManager&, float dt) {
std::vector<CStaticInterferenceSource> newSources;
newSources.reserve(m_sources.size());
for (CStaticInterferenceSource& src : m_sources) {
if (src.timeLeft >= 0.f) {
src.timeLeft -= dt;
newSources.push_back(src);
}
}
m_sources = std::move(newSources);
}
float CStaticInterference::GetTotalInterference() const {
float validAccum = 0.f;
float invalidAccum = 0.f;
for (const CStaticInterferenceSource& src : m_sources) {
if (src.id == kInvalidUniqueId)
invalidAccum += src.magnitude;
else
validAccum += src.magnitude;
}
if (validAccum > 0.80000001f)
validAccum = 0.80000001f;
validAccum += invalidAccum;
if (validAccum > 1.f)
return 1.f;
return validAccum;
}
void CStaticInterference::AddSource(TUniqueId id, float magnitude, float duration) {
magnitude = zeus::clamp(0.f, magnitude, 1.f);
auto search = std::find_if(m_sources.begin(), m_sources.end(),
[id](CStaticInterferenceSource& source) { return source.id == id; });
if (search != m_sources.end()) {
search->magnitude = magnitude;
search->timeLeft = duration;
return;
}
if (m_sources.size() < m_sources.capacity())
m_sources.push_back({id, magnitude, duration});
}
} // namespace urde