/*
GenSurf plugin for GtkRadiant
Copyright (C) 2001 David Hyde, Loki software and qeradiant.com

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _GENSURF_H_
#define _GENSURF_H_

#include <string.h>
#include "qertypes.h"
#include <stdio.h>

#include "mathlib.h"
#include "iscenegraph.h"
#define USE_QERTABLE_DEFINE
#include "qerplugin.h"
extern _QERFuncTable_1 g_FuncTable;

#include "irender.h"
#include "iselection.h"

#define USE_ENTITYTABLE_DEFINE
#include "ientity.h"
extern _QEREntityTable __ENTITYTABLENAME;

#define USE_PATCHTABLE_DEFINE
#include "ipatch.h"
extern _QERPatchTable __PATCHTABLENAME;

#define USE_BRUSHTABLE_DEFINE
#include "ibrush.h"
extern _QERBrushTable __BRUSHTABLENAME;

#include "igl.h"
#include "ientity.h"

#include <gtk/gtk.h>

#include "iui_gtk.h"

#include "gendlgs.h"


#define PLUGIN
#define Q3RADIANT

//#if defined(__linux__) || defined(__APPLE__)
#if 1
#include <algorithm>
#else
template <class T>
inline T min (T x, T y) { return (x < y) ? x : y; }
template <class T>
inline T max (T x, T y) { return (x > y) ? x : y; }
#endif

typedef struct { long x, y; } Point;
typedef struct { long left, top, right, bottom; } Rect;

#define NAME_MAX 255

typedef void* LPVOID;
typedef char* LPSTR;

//#endif
inline bool PtInRect (Rect *rc, Point pt)
{
  if (pt.x < rc->left) return false;
  if (pt.x > rc->right) return false;
  if (pt.y < rc->bottom) return false;
  if (pt.y > rc->top) return false;
  return true;
}

#define NUMGAMES 7

#define CONTENTS_SOLID  0x00000001
#define	CONTENTS_DETAIL	0x08000000	// brushes to be added after vis leafs
#define	CONTENTS_LADDER	0x20000000
#define	SURF_HINT		0x100	// make a primary bsp splitter
#define	SURF_SKIP		0x200	// completely ignore, allowing non-closed brushes
#define HINT_OFFSET 96

#define PI 3.14159265358979224
#define RadiansToDegrees(a) (floor(a*57.2957795 - 0.5)+1.)
#define DegreesToRadians(a) (a/57.2957795)

#define	BOGUS_RANGE	65536
/*
#define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
#define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
#define VectorClear(x) {x[0] = x[1] = x[2] = 0;}
#define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}
#define VectorScale(a,b,c) {c[0]=b*a[0];c[1]=b*a[1];c[2]=b*a[2];}
#define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
*/
#define XYZVectorSubtract(a,b,c) {c[0]=(float)a[0]-(float)b[0];c[1]=(float)a[1]-(float)b[1];c[2]=(float)a[2]-(float)b[2];}
#define side(u1,v1,u2,v2,u3,v3) (v3-v1)*(u2-u1) - (u3-u1)*(v2-v1)

#define QUAKE2    0
#define HALFLIFE  1
#define SIN       2
#define HERETIC2  3
#define KINGPIN   4
#define GENESIS3D 5
#define QUAKE3    6

#define MAX_FACES_PER_BRUSH 6
#define SLIVER_ANGLE DegreesToRadians(20)
#define MAX_NODES (MAX_ROWS+1)*(MAX_ROWS+1)
#define MAX_TRIS  (MAX_ROWS)*(MAX_ROWS)

typedef float vec;
typedef vec vec3[3];
typedef vec vec2[2];

typedef struct
{
	vec3   v[3];
	char   texture[64];
	float  Shift[2];
	float  Rotate;
	float  Scale[2];
	int    Contents;
	int    Surface;
	int    Value;
} FACE;

typedef struct
{
	vec3 normal;
	vec  dist;
} PLANE;

typedef struct
{
	int		numpoints;
	vec3	p[4];		// variable sized
} MY_WINDING;

typedef struct
{
	int  Number;
	int  NumFaces;
	FACE face[MAX_FACES_PER_BRUSH];
} BRUSH;

typedef struct tagXYZ
{
	int fixed;
	int done;
	double p[3];
	double pp[3];    // these used only for general 3D projection (not isometric)
	double fixed_value;
	double range;
	double rate;
} XYZ;

// Q2 PAK file structures
typedef struct
{
	char id[4]; // Should be 'PACK'
	int dstart; // Offest in the file to the directory
	int dsize;  // Size in bytes of the directory, same as num_items*64
} pak_header_t;

typedef struct
{
	char name[56]; // The name of the item, normal C string
	int start; // Offset in .pak file to start of item
	int size; // Size of item in bytes
} pak_item_t;

// SiN .SIN structures
#define SINPAKHEADER		(('K'<<24)+('A'<<16)+('P'<<8)+'S')
#define MAX_PAK_FILENAME_LENGTH 120

typedef struct
{
	char	name[MAX_PAK_FILENAME_LENGTH];
	int		filepos, filelen;
} dpackfile_t;

typedef struct
{
	int		ident;		// == IDPAKHEADER
	int		dirofs;
	int		dirlen;
} dpackheader_t;

// Half-Life WAD file structures
typedef struct
{
	char		identification[4];		// should be WAD2 or 2DAW
	int			numlumps;
	int			infotableofs;
} wadinfo_t;

typedef struct
{
	int			filepos;
	int			disksize;
	int			size;					// uncompressed
	char		type;
	char		compression;
	char		pad1, pad2;
	char		name[16];				// must be null terminated
} lumpinfo_t;

typedef struct
{
	int		signature;
	short	version;
	short	bitflag;
	short	compression_method;
	short	modfiletime;
	short	modfiledate;
	int		crc;
	int		compressed_size;
	int		uncompressed_size;
	short	filename_size;
	short	extra_size;
} zipheader_t;

typedef struct
{
	double  x[2];
	double  y[2];
	double  z[2];
} bounding_box;

typedef struct
{
	float p[3];
	int   used;
	int   tri;
	float error;
	int   fixed;
} NODE;

typedef struct
{
	int   v[3];
	int   n[3];    // indices of neighboring triangles
	PLANE plane;
	int   flag;
	float min[3];
	float max[3];
} TRI;

//--------------- bitmap.c -----------------------------
bool OpenBitmap ();
double CalculateSnapValue(double value);
void GenerateBitmapMapping ();
//--------------- face.c -------------------------------
void PlaneFromPoints (float *, float *, float *, PLANE *);
//void CrossProduct (vec3 v1, vec3 v2, vec3 cross);
//vec VectorNormalize (vec3 in, vec3 out);
//--------------- gendlg.c -----------------------------
GtkWidget* create_main_dialog ();
void About (GtkWidget *parent);
//--------------- genmap.c -----------------------------
double AtLeast(double,double);
bool CanEdit(int, int);
void CloseFuncGroup();
bool FixedPoint(int,int);
void GenerateMap();
void GenerateXYZ();
double LessThan(double,double);
void MakeBrush(BRUSH *);
double MoreThan(double,double);
double Nearest(double,double);
double NoMoreThan(double,double);
void OpenFuncGroup();
void PlasmaCloud();
int PlayerStartZ(double,double);
void SubdividePlasma(int,int,int,int);
bool ValidSurface();
void XYZtoV(XYZ *, vec3 *);
scene::Node* MakePatch(void);

//---------------- gensurf.c ---------------------------
bool GenSurfInit ();
void ReadIniFile (const char *);
void WriteIniFile (const char *);
void OpenSetup (GtkWidget*,int);
void SaveSetup (GtkWidget*);
//---------------- heretic.c ---------------------------
int GetDefSurfaceProps(char *);
//---------------- view.c ------------------------------
void CreateViewWindow ();
void DrawGrid(Rect);
void DrawPreview(Rect);
void evaluate();
void GetScaleFactor(Rect);
void project(XYZ *);
void Scale(Rect,XYZ,Point *);
void ShowPreview ();
void UpdatePreview (bool);

//---------------- plugin.c -----------------------------
void UseFaceBounds();

extern _QERFuncTable_1 g_FuncTable;
extern _QERQglTable g_GLTable;
extern _QERUIGtkTable g_UIGtkTable;
extern _QEREntityTable g_EntityTable;
//#define MAX_ROWS 64
#define MAX_ROWS 128

#define PLANE_XY0 0
#define PLANE_XY1 1
#define PLANE_YZ0 2
#define PLANE_XZ0 3
#define PLANE_YZ1 4
#define PLANE_XZ1 5

#define WAVE_COS_SIN    0
#define WAVE_HCYLINDER  1
#define WAVE_VCYLINDER  2
#define WAVE_BITMAP     3
#define WAVE_ROUGH_ONLY 4
#define WAVE_FORMULA    5
#define WAVE_FIRST      WAVE_COS_SIN
#define WAVE_LAST       WAVE_FORMULA
#define DLG_WAVE_LAST   DLG_WAVE_01+WAVE_LAST-WAVE_FIRST

#define MSG_VERTEX_SELECTED WM_USER+1

typedef struct tagMYBITMAP
{
  char             name[NAME_MAX];
  char             defpath[NAME_MAX];
  double           black_value;
  double           white_value;
  int width, height;
  unsigned char* colors;
} MYBITMAP;

typedef struct tagELEMENT {
	int i;
	int j;
} ELEMENT;

extern char      gszAppDir[NAME_MAX];
extern char      gszCaption[64];
extern char      gszHelpFile[NAME_MAX];
extern char      gszIni[NAME_MAX];
extern char      gszMapFile[NAME_MAX];
extern char      gszVersion[64];
extern double    Amplitude;
extern double    Roughness;
extern double    TexOffset[2];
extern double    TexScale[2];
extern double    WaveLength;
extern double    Hll, Hur, Vll, Vur;
extern double    Z00, Z01, Z10, Z11;
extern double    yaw, pitch, roll;
extern ELEMENT   Vertex[(MAX_ROWS+1)*(MAX_ROWS+1)];
extern int       AddHints;
extern int       ArghRad2;
extern int       AutoOverwrite;
extern int       Decimate;
extern int       FileAppend;
extern int       FixBorders;
extern int       HideBackFaces;
extern int       NH, NV;
extern int       NumVerticesSelected;
extern int       Plane;
extern int       Preview;
extern int       RandomSeed;
extern int       Skybox;
extern int       UseDetail;
extern int       UseLadder;
extern int       VertexMode;
extern int       vid_x, vid_y;
extern int       WaveType;
extern int       gNumNodes;
extern int       gNumTris;
extern int       view_x, view_y;
extern int       view_cx, view_cy;
extern int       UsePatches;
extern int       SlantAngle;
extern int       GimpHints;
extern int			 Antialiasing; // ^Fishman - Antializing for the preview window.
extern int			 AddTerrainKey; // ^Fishman - Add terrain key to func_group.
extern int			 SnapToGrid; // Hydra : snap to grid
extern int       SP; // ^Fishman - Snap to grid.


/*extern HCURSOR   ghCursorCurrent;
extern HCURSOR   ghCursorDefault;
extern HCURSOR   ghCursorVertex;
extern HINSTANCE ghInst;*/
extern GtkWidget *g_pRadiantWnd;
extern GtkWidget *g_pWnd;
/*extern HWND      ghwndAngles;
extern HWND      ghwndFix;
*/extern GtkWidget     *g_pWndPreview;
extern GtkWidget *g_pPreviewWidget;
extern MYBITMAP  gbmp;
extern NODE      *gNode;
extern TRI       *gTri;
extern XYZ       xyz[MAX_ROWS+1][MAX_ROWS+1];

extern int       Game;
extern bounding_box PlayerBox[NUMGAMES];
//extern char      gszOutputDir[NUMGAMES][NAME_MAX];
extern char      Texture[NUMGAMES][3][64];
//extern char      gszTextureDir[NUMGAMES][NAME_MAX];
extern char      GameName[NUMGAMES][16];
//extern char      pakfile[NUMGAMES][NAME_MAX];
//extern char      lastpakfile[NUMGAMES][NAME_MAX];
//extern int       UsePak[NUMGAMES];
//extern char      GameDir[NUMGAMES][NAME_MAX];
//extern char      ExcelFunc[1024];

#endif // _GENSURF_H_