Source release of Wolfenstein 3D Classic Platinum for iOS, 1.0

wolf3d/newCode/wolf/wolf_raycast.h

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+/*
+
+	Copyright (C) 2004 Michael Liebscher
+	Copyright (C) 2000-2002 by DarkOne the Hacker
+
+	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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+/*
+ *	wolf_raycast.h:  Wolfenstein3-D ray-casting.
+ *	
+ *	Author:	Michael Liebscher <johnnycanuck@users.sourceforge.net>
+ *	Date:	2004 
+ *
+ *	Acknowledgement:
+ *	Portion of this code was derived from NewWolf, and was originally
+ *	written by DarkOne the Hacker. 
+ *
+ */
+
+/*
+	Notes:	
+	This module is implemented by wolf_raycast.c
+
+*/
+
+#ifndef __WOLF_RAYCAST_H__
+#define __WOLF_RAYCAST_H__
+
+// marks
+#define TRACE_MARK_MAP		1	// marks traced area in 'AM_AutoMap.vis' array
+// obstacle levels
+#define TRACE_SIGHT			2	// player sight
+#define TRACE_SIGHT_AI		4	// enemy sight
+#define TRACE_BULLET		8	// bullet
+#define TRACE_OBJECT		16	// object
+
+#define TRACE_HIT_VERT		32	// vertical wall was hit
+#define TRACE_HIT_DOOR		64	// door was hit
+#define TRACE_HIT_PWALL		128	// pushwall was hit
+
+typedef struct r_trace_s
+{
+	int x, y; // origin
+	int a;		// trace angle
+	int flags;
+	W8 (*tile_vis)[ 64 ]; // should point to [ 64 ][ 64 ] array
+
+} r_trace_t;
+
+#define UPPERZCOORD	 0.6f
+#define	LOWERZCOORD -0.6f
+
+extern W8 tile_visible[ 64 ][ 64 ]; // can player see this tile?
+
+
+extern void R_RayCast( placeonplane_t viewport, LevelData_t *lvl );
+extern void R_Trace( r_trace_t *trace, LevelData_t *lvl );
+
+
+#endif /* __WOLF_RAYCAST_H__ */