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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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/*
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* $Logfile: /Freespace2/code/Render/3dInternal.h $
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* $Revision: 2.4 $
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* $Date: 2005-07-13 03:35:29 $
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* $Author: Goober5000 $
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*
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* Used internally by the 3d renderer lib
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*
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* $Log: not supported by cvs2svn $
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* Revision 2.3 2005/04/05 05:53:24 taylor
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* s/vector/vec3d/g, better support for different compilers (Jens Granseuer)
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*
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* Revision 2.2 2004/08/11 05:06:33 Kazan
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* added preprocdefines.h to prevent what happened with fred -- make sure to make all fred2 headers include this file as the _first_ include -- i have already modified fs2 files to do this
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*
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* Revision 2.1 2002/08/01 01:41:09 penguin
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* The big include file move
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*
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* Revision 2.0 2002/06/03 04:02:27 penguin
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* Warpcore CVS sync
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*
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* Revision 1.1 2002/05/02 18:03:12 mharris
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* Initial checkin - converted filenames and includes to lower case
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*
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*
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* 2 10/07/98 10:53a Dave
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* Initial checkin.
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*
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* 1 10/07/98 10:51a Dave
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*
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* 5 3/16/98 4:51p John
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* Added low-level code to clip all polygons against an arbritary plane.
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* Took out all old model_interp_zclip and used this new method instead.
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*
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* 4 4/29/97 9:55a John
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*
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* 3 2/17/97 5:18p John
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* Added a bunch of RCS headers to a bunch of old files that don't have
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* them.
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*
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* $NoKeywords: $
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*/
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#ifndef _3DINTERNAL_H
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#define _3DINTERNAL_H
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#include "render/3d.h"
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extern int Canvas_width,Canvas_height; //the actual width & height
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extern float Canv_w2,Canv_h2; //fixed-point width,height/2
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extern vec3d Window_scale;
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extern int free_point_num;
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extern float View_zoom;
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extern vec3d View_position,Matrix_scale;
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extern matrix View_matrix,Unscaled_matrix;
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//vertex buffers for polygon drawing and clipping
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extern vertex *Vbuf0[];
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extern vertex *Vbuf1[];
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extern void free_temp_point(vertex *p);
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extern vertex **clip_polygon(vertex **src,vertex **dest,int *nv,ccodes *cc,uint flags);
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extern void init_free_points(void);
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extern void clip_line(vertex **p0,vertex **p1,ubyte codes_or, uint flags);
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extern int G3_count;
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extern int G3_user_clip;
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extern vec3d G3_user_clip_normal;
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extern vec3d G3_user_clip_point;
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// Returns TRUE if point is behind user plane
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extern int g3_point_behind_user_plane( vec3d *pnt );
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#endif
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