Initial commit

Torque/SDK/lib/maxsdk40/templt.h

@@ -0,0 +1,94 @@
+
+/**********************************************************************
+ *<
+	FILE: templt.h
+
+	DESCRIPTION:  Defines 2D Template Object
+
+	CREATED BY: Tom Hudson
+
+	HISTORY: created 31 October 1995
+
+ *>	Copyright (c) 1995, All Rights Reserved.
+ **********************************************************************/
+
+#ifndef __TEMPLT_H__ 
+
+#define __TEMPLT_H__
+
+class PolyLine;
+class Spline3D;
+
+// Intersection callbacks
+
+class IntersectionCallback2D {
+	public:
+		virtual BOOL Intersect(Point2 p, int piece)=0; // Return FALSE to stop intersect tests
+	};
+
+class IntersectionCallback3D {
+	public:
+		virtual BOOL Intersect(Point3 p, int piece)=0; // Return FALSE to stop intersect tests
+	};
+
+// A handy 2D floating-point box class
+
+class Box2D {
+	public:
+		BOOL empty;
+		Point2 min, max;
+		Box2D() { empty = TRUE; }
+		void SetEmpty() { empty = TRUE; }
+		CoreExport Box2D& operator+=(const Point2& p);	// expand this box to include p
+	};
+
+// This object is used to test shapes for self-intersection, clockwise status, point
+// surrounding and intersection with other templates.  The last and first points will be the
+// same if it is closed.
+
+class Template3D;
+
+class Template {
+	public:
+		int points;
+		BOOL closed;
+		Point2 *pts;
+		Template(Spline3D *spline);
+		Template(PolyLine *line);
+		Template(Template3D *t3);
+		void Create(PolyLine *line);
+		~Template();
+		int Points() { return points; }
+		BOOL SurroundsPoint(Point2& point);
+		BOOL IsClockWise();
+		BOOL SelfIntersects(BOOL findAll = FALSE, IntersectionCallback2D *cb = NULL);
+		BOOL Intersects(Template &t, BOOL findAll = FALSE, IntersectionCallback2D *cb = NULL);
+		Box2D Bound();
+	};
+
+// This is a version for 3D use -- the various tests (SurroundsPoint, SelfIntersects, etc.
+// are all performed on the X and Y coordinates only, discarding Z.  The IntersectionCallback
+// returns the intersection point on the template in 3D.
+
+class Template3D {
+	private:
+		Template *template2D;
+	public:
+		int points;
+		BOOL closed;
+		Point3 *pts;
+		Template3D(Spline3D *spline);
+		Template3D(PolyLine *line);
+		void Create(PolyLine *line);
+		~Template3D();
+		int Points() { return points; }
+		BOOL SurroundsPoint(Point2& point);	// 2D test!
+		BOOL IsClockWise(); // 2D test!
+		BOOL SelfIntersects(BOOL findAll = FALSE, IntersectionCallback3D *cb = NULL);	// 2D test!
+		BOOL Intersects(Template3D &t, BOOL findAll = FALSE, IntersectionCallback3D *cb = NULL); // 2D test!
+		Box2D Bound();
+		Box3 Bound3D();
+		void Ready2DTemplate();
+	};
+
+#endif // __TEMPLT_H__