TerrainLoadGravity.h

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#pragma once
#include "common/Export.h"
 
 
#include "common/Result.h"
 
namespace eve::physics {
class Body3D;
 
class TerrainLoadGravityState {
public:
    bool isMonitoring() const { return monitoring_; }
    bool isActivationScheduled() const { return activationScheduled_; }
    bool isCompleted() const { return completed_; }
    float getDelayElapsed() const { return delayElapsed_; }
 
private:
    friend EVENGINE_API_WORLD Result<void> beginTerrainLoadGravity(TerrainLoadGravityState*, Body3D*, bool);
    friend EVENGINE_API_WORLD Result<bool> advanceTerrainLoadGravity(TerrainLoadGravityState*, Body3D*, bool, float,
                                                                     float);
    bool monitoring_ = false;
    bool activationScheduled_ = false;
    bool completed_ = false;
    float delayElapsed_ = 0.f;
    float gravityScale_ = 1.f;
};
 
[[nodiscard]] EVENGINE_API_WORLD Result<void> beginTerrainLoadGravity(TerrainLoadGravityState* state, Body3D* body,
                                                                      bool terrainFound);
 
[[nodiscard]] EVENGINE_API_WORLD Result<bool> advanceTerrainLoadGravity(TerrainLoadGravityState* state, Body3D* body,
                                                                        bool terrainLoaded, float deltaSeconds,
                                                                        float activationDelay);
}