Files
axyz/include/Game/Systems/InterpolationSystem.h
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2016-02-09 19:36:22 +01:00

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1.7 KiB
C++

#ifndef Systems_InterpolationSystem_h__
#define Systems_InterpolationSystem_h__
#include <queue>
#include <unordered_map>
#include <boost/shared_array.hpp>
#include <glm/common.hpp>
#include <glm/gtc/quaternion.hpp>
#include "Common.h"
#include "Core/System.h"
#include "Core/EventBroker.h"
#include "Core/ResourceManager.h"
#include "Core/ConfigFile.h"
#include "Core/EPlayerSpawned.h"
#include "Network/EInterpolate.h"
class InterpolationSystem : public ImpureSystem
{
public:
InterpolationSystem(SystemParams params);
~InterpolationSystem() { }
virtual void Update(double dt) override;
private:
template <typename T>
struct Interpolation
{
Interpolation(const ComponentWrapper& Component, const std::string& Field, const T& Start, const T& Goal)
: Component(Component)
, Field(Field)
, Start(Start)
, Goal(Goal)
{ }
ComponentWrapper Component;
std::string Field;
T Start;
T Goal;
double Alpha = 0.0;
};
float m_SnapshotInterval;
std::unordered_map<EntityWrapper, Interpolation<glm::vec3>> m_InterpolatePosition;
std::unordered_map<EntityWrapper, Interpolation<glm::quat>> m_InterpolateOrientation;
std::unordered_map<EntityWrapper, Interpolation<glm::vec3>> m_InterpolateVelocity;
EventRelay<InterpolationSystem, Events::Interpolate> m_EInterpolate;
bool InterpolationSystem::OnInterpolate(Events::Interpolate& e);
template <typename T>
T vectorInterpolation(T prev, T next, double currentTime)
{
T difference = next - prev;
T vector = difference * (static_cast<float>(currentTime) / m_SnapshotInterval);
return vector;
}
};
#endif