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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
* Definition of POLYGON structure and functions in POLYGONS.C
*/
#ifndef TINSEL_POLYGONS_H // prevent multiple includes
#define TINSEL_POLYGONS_H
#include "tinsel/dw.h" // for SCNHANDLE
#include "tinsel/scene.h" // for PPOLY and REEL
namespace Tinsel {
// Polygon Types
enum PTYPE {
TEST, PATH, EXIT, BLOCKING,
EFFECT, REFER, TAG, EX_TAG, EX_EXIT, EX_BLOCK
};
// subtype
enum {
NORMAL = 0,
NODE = 1 // For paths
};
// tagState
enum TSTATE {
NO_TAG, TAG_OFF, TAG_ON
};
// pointState
enum PSTATE {
NO_POINT, NOT_POINTING, POINTING
};
enum {
NOPOLY = -1
};
/*-------------------------------------------------------------------------*/
bool IsInPolygon(int xt, int yt, HPOLYGON p);
HPOLYGON InPolygon(int xt, int yt, PTYPE type);
void BlockingCorner(HPOLYGON poly, int *x, int *y, int tarx, int tary);
void FindBestPoint(HPOLYGON path, int *x, int *y, int *line);
bool IsAdjacentPath(HPOLYGON path1, HPOLYGON path2);
HPOLYGON getPathOnTheWay(HPOLYGON from, HPOLYGON to);
int NearestEndNode(HPOLYGON path, int x, int y);
int NearEndNode(HPOLYGON spath, HPOLYGON dpath);
int NearestNodeWithin(HPOLYGON npath, int x, int y);
void NearestCorner(int *x, int *y, HPOLYGON spath, HPOLYGON dpath);
bool IsPolyCorner(HPOLYGON hPath, int x, int y);
int GetScale(HPOLYGON path, int y);
void getNpathNode(HPOLYGON npath, int node, int *px, int *py);
void getPolyTagInfo(HPOLYGON p, SCNHANDLE *hTagText, int *tagx, int *tagy);
SCNHANDLE getPolyFilm(HPOLYGON p);
void getPolyNode(HPOLYGON p, int *px, int *py);
SCNHANDLE getPolyScript(HPOLYGON p);
REEL getPolyReelType(HPOLYGON p);
int32 getPolyZfactor(HPOLYGON p);
int numNodes(HPOLYGON pp);
void RebootDeadTags(void);
void DisableBlock(int blockno);
void EnableBlock(int blockno);
void DisableTag(int tagno);
void EnableTag(int tagno);
void DisableExit(int exitno);
void EnableExit(int exitno);
HPOLYGON FirstPathPoly(void);
HPOLYGON GetPolyHandle(int i);
void InitPolygons(SCNHANDLE ph, int numPoly, bool bRestart);
void DropPolygons(void);
void SaveDeadPolys(bool *sdp);
void RestoreDeadPolys(bool *sdp);
/*-------------------------------------------------------------------------*/
PTYPE PolyType(HPOLYGON hp); // ->type
int PolySubtype(HPOLYGON hp); // ->subtype
int PolyCentreX(HPOLYGON hp); // ->pcentrex
int PolyCentreY(HPOLYGON hp); // ->pcentrey
int PolyCornerX(HPOLYGON hp, int n); // ->cx[n]
int PolyCornerY(HPOLYGON hp, int n); // ->cy[n]
PSTATE PolyPointState(HPOLYGON hp); // ->pointState
TSTATE PolyTagState(HPOLYGON hp); // ->tagState
SCNHANDLE PolyTagHandle(HPOLYGON hp); // ->oTagHandle
void SetPolyPointState(HPOLYGON hp, PSTATE ps); // ->pointState
void SetPolyTagState(HPOLYGON hp, TSTATE ts); // ->tagState
void SetPolyTagHandle(HPOLYGON hp, SCNHANDLE th);// ->oTagHandle
void MaxPolygons(int maxPolys);
/*-------------------------------------------------------------------------*/
} // end of namespace Tinsel
#endif /* TINSEL_POLYGONS_H */
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