+Unity Runtime codeHEADmaster

1 files changed, 66 insertions, 0 deletions

diff --git a/Runtime/Graphics/Polygon2D.h b/Runtime/Graphics/Polygon2D.h
new file mode 100644
index 0000000..76af1cf
--- /dev/null
+++ b/Runtime/Graphics/Polygon2D.h
@@ -0,0 +1,66 @@
+#pragma once
+#include "Configuration/UnityConfigure.h"
+
+#if ENABLE_SPRITES
+
+#include "Runtime/Math/Vector2.h"
+#include "Runtime/Utilities/dynamic_array.h"
+#include "Runtime/Serialize/SerializeUtility.h"
+
+class Sprite;
+
+class Polygon2D
+{
+public:
+	DECLARE_SERIALIZE_NO_PPTR (Polygon2D)
+	
+	typedef dynamic_array<Vector2f> TPath;
+	typedef std::vector<TPath> TPaths;
+
+	Polygon2D();
+
+	bool IsEmpty() const { return (m_Paths.size() == 0 || m_Paths[0].size() < 3); }
+	void Reset();
+	void Clear() { m_Paths.clear(); }
+
+	// Simple API
+	void SetPoints (const Vector2f* points, size_t count);
+	const Vector2f* GetPoints() const { return (m_Paths.size() > 0) ? m_Paths[0].data() : NULL; }
+	size_t GetPointCount() const { return (m_Paths.size() > 0) ? m_Paths[0].size() : 0; }
+
+	// Advanced API
+	void SetPathCount(int pathCount);
+	int GetPathCount() const { return m_Paths.size(); }
+	
+	void SetPath(int index, const TPath& path);
+	const TPath& GetPath(int index) const { return m_Paths[index]; }
+	TPath& GetPath(int index) { return m_Paths[index]; }
+
+	void CopyFrom (const Polygon2D& paths);
+
+	size_t GetTotalPointCount() const
+	{
+		size_t count = 0;
+		for (size_t i = 0; i < m_Paths.size(); ++i)
+			count += m_Paths[i].size();
+		return count;
+	}
+
+	// Generation
+	void GenerateFrom(Sprite* sprite, const Vector2f& offset, float detail, unsigned char alphaTolerance, bool holeDetection);
+
+	// Math
+	bool GetNearestPoint(const Vector2f& point, int& pathIndex, int& pointIndex, float& distance) const;
+	bool GetNearestEdge(const Vector2f& point, int& pathIndex, int& pointIndex0, int& pointIndex1, float& distance, bool loop) const;
+
+private:
+	TPaths m_Paths;
+};
+
+template<class TransferFunction>
+void Polygon2D::Transfer(TransferFunction& transfer)
+{
+	TRANSFER(m_Paths);
+}
+
+#endif //ENABLE_SPRITES