Viewport3d.h

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#pragma once
 
#include "EditorState.h"
#include "Nodes/3D/InstancedMesh3d.h"
#include "TransformSnap.h"
 
class Viewport3D
{
public:
 
    Viewport3D();
    ~Viewport3D();
 
    void Update(float deltaTime);
    bool ShouldHandleInput() const;
    bool IsMouseInside() const;
 
    float GetFocalDistance() const;
    void SetFocalDistance(float distance);
    void ToggleTransformMode();
 
    // Bookmark hotkey pass — checks View_SaveBookmark* / View_GotoBookmark*
    // and dispatches to EditorState. Runs from HandleDefaultControls so it
    // inherits the viewport-focus / text-field / popup gating; exposed so
    // tests / addons can also drive it deterministically.
    void HandleCameraBookmarkHotkeys();
 
protected:
 
    static constexpr float sDefaultFocalDistance = 10.0f;
 
    void HandleDefaultControls();
    void HandlePilotControls();
    void HandleTransformControls();
    void HandlePanControls();
    void HandleOrbitControls();
 
    glm::vec2 HandleLockedCursor();
    void HandleAxisLocking();
 
    glm::vec2 GetTransformDelta() const;
    void SavePreTransforms();
    void RestorePreTransforms();
 
    glm::vec3 GetLockedTranslationDelta(glm::vec3 deltaWS) const;
    glm::vec3 GetLockedRotationAxis() const;
    glm::vec3 GetLockedScaleDelta();
    bool ShouldTransformInstance() const;
 
    float mFirstPersonMoveSpeed = 10.0f;
    float mFirstPersonRotationSpeed = 0.07f;
 
    // Transform Control vars
    int32_t mPrevMouseX = 0;
    int32_t mPrevMouseY = 0;
    std::vector<glm::mat4> mPreTransforms;
    TransformSnapAccum mSnapAccum;
 
    float mFocalDistance = sDefaultFocalDistance;
    bool mNeedsMouseRecenter = false;
    bool mTransformLocal = false;
 
    MeshInstanceData mInstancePreTransform;
};