map_view.h

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#ifndef GAME_EDITOR_MAP_VIEW_H
#define GAME_EDITOR_MAP_VIEW_H
 
#include "component.h"
#include "map_grid.h"
#include "proof_mode.h"
#include "smooth_value.h"
 
#include <base/vmath.h>
 
class CLayerGroup;
 
class CMapView : public CEditorComponent
{
public:
    enum class EActiveOp
    {
        NONE,
        BRUSH_GRAB,
        BRUSH_DRAW,
        BRUSH_PAINT,
        PAN_WORLD,
        PAN_EDITOR,
    };
 
    class CState
    {
    public:
        CSmoothValue m_Zoom;
        float m_WorldZoom;
        vec2 m_WorldOffset;
        vec2 m_EditorOffset;
 
        float m_MouseWorldScale; // Mouse (i.e. UI) scale relative to the World (selected Group)
        vec2 m_MouseWorldPos;
        vec2 m_MouseWorldNoParaPos;
        vec2 m_MouseDeltaWorld;
 
        EActiveOp m_ActiveOp;
 
        void Reset(CEditor *pEditor);
    };
 
    void OnInit(CEditor *pEditor) override;
    void OnMapLoad() override;
 
    void ZoomMouseTarget(float ZoomFactor);
    void UpdateZoom();
 
    void RenderGroupBorder();
    void RenderEditorMap();
    void Render(CUIRect View);
 
    void UpdateMouseWorld();
    void ResetMouseDeltaWorld();
    float MouseWorldScale() const;
    vec2 MouseDeltaWorld() const;
    vec2 MouseWorldPos() const;
    vec2 MouseWorldNoParaPos() const;
 
    bool IsFocused();
    void Focus();

    void ResetZoom();

    float ScaleLength(float Value) const;
 
    float GetWorldZoom() const;
 
    void OffsetWorld(vec2 Offset);
    void OffsetEditor(vec2 Offset);
    void SetWorldOffset(vec2 WorldOffset);
    void SetEditorOffset(vec2 EditorOffset);
    vec2 GetWorldOffset() const;
    vec2 GetEditorOffset() const;
 
    CSmoothValue *Zoom();
    const CSmoothValue *Zoom() const;
    CProofMode *ProofMode();
    const CProofMode *ProofMode() const;
    CMapGrid *MapGrid();
    const CMapGrid *MapGrid() const;
 
private:
    CProofMode m_ProofMode;
    CMapGrid m_MapGrid;
};
 
#endif