83 lines
3.4 KiB
C++
83 lines
3.4 KiB
C++
#pragma once
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#include "../../../../helpers/math/Math.hpp"
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#include "../../../../helpers/memory/Memory.hpp"
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#include <vector>
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namespace Layout::Tiled {
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struct SColumnData;
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enum eScrollDirection : uint8_t {
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SCROLL_DIR_RIGHT = 0,
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SCROLL_DIR_LEFT,
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SCROLL_DIR_DOWN,
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SCROLL_DIR_UP,
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};
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struct SStripData {
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float size = 1.F; // size along primary axis
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std::vector<float> targetSizes; // sizes along secondary axis for each target in this strip
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WP<SColumnData> userData;
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SStripData() = default;
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};
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struct STapeLayoutResult {
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CBox box;
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size_t stripIndex = 0;
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size_t targetIndex = 0;
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};
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class CScrollTapeController {
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public:
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CScrollTapeController(eScrollDirection direction = SCROLL_DIR_RIGHT);
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~CScrollTapeController() = default;
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void setDirection(eScrollDirection dir);
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eScrollDirection getDirection() const;
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bool isPrimaryHorizontal() const;
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bool isReversed() const;
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size_t addStrip(float size = 1.0F);
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void insertStrip(size_t afterIndex, float size = 1.0F);
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void removeStrip(size_t index);
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size_t stripCount() const;
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SStripData& getStrip(size_t index);
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const SStripData& getStrip(size_t index) const;
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void swapStrips(size_t a, size_t b);
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void setOffset(double offset);
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double getOffset() const;
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void adjustOffset(double delta);
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double calculateMaxExtent(const CBox& usableArea, bool fullscreenOnOne = false) const;
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double calculateStripStart(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
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double calculateStripSize(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
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CBox calculateTargetBox(size_t stripIndex, size_t targetIndex, const CBox& usableArea, const Vector2D& workspaceOffset, bool fullscreenOnOne = false);
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double calculateCameraOffset(const CBox& usableArea, bool fullscreenOnOne = false);
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Vector2D getCameraTranslation(const CBox& usableArea, bool fullscreenOnOne = false);
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void centerStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
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void fitStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
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bool isStripVisible(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false, bool full = false) const;
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size_t getStripAtCenter(const CBox& usableArea, bool fullscreenOnOne = false) const;
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private:
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eScrollDirection m_direction = SCROLL_DIR_RIGHT;
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std::vector<SStripData> m_strips;
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double m_offset = 0.0;
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double getPrimary(const Vector2D& v) const;
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double getSecondary(const Vector2D& v) const;
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void setPrimary(Vector2D& v, double val) const;
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void setSecondary(Vector2D& v, double val) const;
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bool isBeingDragged() const;
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Vector2D makeVector(double primary, double secondary) const;
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};
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};
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