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75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
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Copyright (C) 2004 Michael Liebscher
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Copyright (C) 2000-2002 by DarkOne the Hacker
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* wolf_raycast.h: Wolfenstein3-D ray-casting.
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*
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* Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
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* Date: 2004
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*
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* Acknowledgement:
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* Portion of this code was derived from NewWolf, and was originally
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* written by DarkOne the Hacker.
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*
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*/
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/*
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Notes:
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This module is implemented by wolf_raycast.c
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*/
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#ifndef __WOLF_RAYCAST_H__
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#define __WOLF_RAYCAST_H__
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// marks
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#define TRACE_MARK_MAP 1 // marks traced area in 'AM_AutoMap.vis' array
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// obstacle levels
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#define TRACE_SIGHT 2 // player sight
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#define TRACE_SIGHT_AI 4 // enemy sight
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#define TRACE_BULLET 8 // bullet
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#define TRACE_OBJECT 16 // object
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#define TRACE_HIT_VERT 32 // vertical wall was hit
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#define TRACE_HIT_DOOR 64 // door was hit
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#define TRACE_HIT_PWALL 128 // pushwall was hit
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typedef struct r_trace_s
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{
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int x, y; // origin
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int a; // trace angle
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int flags;
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W8 (*tile_vis)[ 64 ]; // should point to [ 64 ][ 64 ] array
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} r_trace_t;
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#define UPPERZCOORD 0.6f
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#define LOWERZCOORD -0.6f
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extern W8 tile_visible[ 64 ][ 64 ]; // can player see this tile?
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extern void R_RayCast( placeonplane_t viewport, LevelData_t *lvl );
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extern void R_Trace( r_trace_t *trace, LevelData_t *lvl );
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#endif /* __WOLF_RAYCAST_H__ */
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