Initial commit.

code/qcommon/cm_randomterrain.h

@@ -0,0 +1,89 @@
+#pragma once
+#if !defined(CM_RANDOMTERRAIN_H_INC)
+#define CM_RANDOMTERRAIN_H_INC
+
+#ifdef DEBUG_LINKING
+	#pragma message("...including cm_randomterrain.h")
+#endif
+
+//class CPathInfo;
+
+#define SPLINE_MERGE_SIZE	3
+#define	CIRCLE_STAMP_SIZE	128
+
+
+class CPathInfo
+{
+private:
+	vec4_t		*mPoints, *mWork;
+	vec_t		*mWeights;
+	int			mNumPoints;
+	float		mMinWidth, mMaxWidth;
+	float		mInc;
+	float		mDepth, mBreadth;
+	float		mDeviation;
+	byte		mCircleStamp[CIRCLE_STAMP_SIZE][CIRCLE_STAMP_SIZE];
+
+	void		CreateCircle(void);
+	void		Stamp(int x, int y, int size, int depth, unsigned char *Data, int DataWidth, int DataHeight);
+
+public:
+	CPathInfo(CCMLandScape *landscape, int numPoints, float bx, float by, float ex, float ey, 
+		float minWidth, float maxWidth, float depth, float deviation, float breadth,
+		CPathInfo *Connected, unsigned CreationFlags);
+	~CPathInfo(void);
+
+	int		GetNumPoints(void) { return mNumPoints; }
+	float	*GetPoint(int index) { return mPoints[index]; }
+	float	GetWidth(int index) { return mPoints[index][3]; }
+
+	void	GetInfo(float PercentInto, vec4_t Coord, vec4_t Vector);
+	void	DrawPath(unsigned char *Data, int DataWidth, int DataHeight );
+};
+
+
+const int			MAX_RANDOM_PATHS	= 30;
+
+// Path Creation Flags
+#define		PATH_CREATION_CONNECT_FRONT		0x00000001
+
+
+
+class CRandomTerrain
+{
+private:
+
+	class CCMLandScape	*mLandScape;
+	int					mWidth;
+	int					mHeight;
+	int					mArea;
+	int					mBorder;
+	byte				*mGrid;
+	CPathInfo			*mPaths[MAX_RANDOM_PATHS];
+
+public:
+	CRandomTerrain(void);
+	~CRandomTerrain(void);
+
+	CCMLandScape		*GetLandScape(void) { return mLandScape; }
+	const vec3pair_t	&GetBounds(void) const { return mLandScape->GetBounds(); }
+	void				rand_seed(int seed) { mLandScape->rand_seed(seed); }
+	int					get_rand_seed(void) { return mLandScape->get_rand_seed();}
+	float				flrand(float min, float max) { return mLandScape->flrand(min, max); }
+	int					irand(int min, int max) { return mLandScape->irand(min, max); }
+
+	void	Init(class CCMLandScape *landscape, byte *data, int width, int height);
+	void	Shutdown(void);
+	bool	CreatePath(int PathID, int ConnectedID, unsigned CreationFlags, int numPoints, 
+						float bx, float by, float ex, float ey, 
+						float minWidth, float maxWidth, float depth, float deviation, float breadth );
+	bool	GetPathInfo(int PathNum, float PercentInto, vec2_t Coord, vec2_t Vector);
+	void	ParseGenerate(const char *GenerateFile);
+	void	Smooth ( void );
+	void	Generate(int symmetric);
+	void	ClearPaths(void);
+};
+
+unsigned RMG_CreateSeed(char *TextSeed);
+
+#endif // CM_RANDOM_H_INC