EditorSimulationPreview.h

浏览该文件的文档.

#pragma once
#include "common/Export.h"
 
 
#include "editor/EditorProtocol.h"
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
 
namespace eve::editor {
 
struct SimulationObjectSample {
    std::string object;
    double positionX = 0.0, positionY = 0.0, positionZ = 0.0;
    double rotationX = 0.0, rotationY = 0.0, rotationZ = 0.0, rotationW = 1.0;
};
 
struct SimulationPreviewFrame {
    std::uint64_t tick = 0;
    double time = 0.0;
    std::vector<SimulationObjectSample> objects;
};
 
struct SimulationBakeResult {
    EditorStatus status = EditorStatus::Failed;
    std::uint64_t sourceRevision = 0;
    double fixedDelta = 0.0;
    std::vector<SimulationPreviewFrame> frames;
    std::vector<EditorDiagnostic> diagnostics;
};
 
class IEditorSimulationBackend {
public:
    virtual ~IEditorSimulationBackend() = default;
    virtual std::unique_ptr<IEditorSimulationBackend> cloneForPreview() const = 0;
    virtual Result<void> step(std::uint64_t tick, double fixedDelta) = 0;
    virtual Result<std::vector<SimulationObjectSample>> capture() const = 0;
};
 
class EVENGINE_API_ORCHESTRATION SimulationPreviewController {
public:
    Result<void> setFixedDelta(double seconds);
    void setPaused(bool paused) { paused_ = paused; }
    bool paused() const { return paused_; }
    Result<SimulationPreviewFrame> singleStep(const IEditorSimulationBackend& source);
    Result<SimulationPreviewFrame> update(const IEditorSimulationBackend& source);
    SimulationBakeResult bake(const IEditorSimulationBackend& source, std::uint64_t sourceRevision,
                              int steps, int maxSteps = 10000) const;
    void rewind();
 
private:
    Result<SimulationPreviewFrame> advance(IEditorSimulationBackend& backend,
                                                 std::uint64_t tick) const;
    bool paused_ = true;
    double fixedDelta_ = 1.0 / 60.0;
    std::uint64_t tick_ = 0;
    std::unique_ptr<IEditorSimulationBackend> previewBackend_;
};
 
}  // namespace eve::editor