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doomclassic/doom/doomdata.h

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+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code 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 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#ifndef __DOOMDATA__
+#define __DOOMDATA__
+
+// The most basic types we use, portability.
+#include "doomtype.h"
+
+// Some global defines, that configure the game.
+#include "doomdef.h"
+
+
+
+//
+// Map level types.
+// The following data structures define the persistent format
+// used in the lumps of the WAD files.
+//
+
+// Lump order in a map WAD: each map needs a couple of lumps
+// to provide a complete scene geometry description.
+enum
+{
+  ML_LABEL,		// A separator, name, ExMx or MAPxx
+  ML_THINGS,		// Monsters, items..
+  ML_LINEDEFS,		// LineDefs, from editing
+  ML_SIDEDEFS,		// SideDefs, from editing
+  ML_VERTEXES,		// Vertices, edited and BSP splits generated
+  ML_SEGS,		// LineSegs, from LineDefs split by BSP
+  ML_SSECTORS,		// SubSectors, list of LineSegs
+  ML_NODES,		// BSP nodes
+  ML_SECTORS,		// Sectors, from editing
+  ML_REJECT,		// LUT, sector-sector visibility	
+  ML_BLOCKMAP		// LUT, motion clipping, walls/grid element
+};
+
+
+// A single Vertex.
+typedef struct
+{
+  short		x;
+  short		y;
+} mapvertex_t;
+
+
+// A SideDef, defining the visual appearance of a wall,
+// by setting textures and offsets.
+typedef struct
+{
+  short		textureoffset;
+  short		rowoffset;
+  char		toptexture[8];
+  char		bottomtexture[8];
+  char		midtexture[8];
+  // Front sector, towards viewer.
+  short		sector;
+} mapsidedef_t;
+
+
+
+// A LineDef, as used for editing, and as input
+// to the BSP builder.
+typedef struct
+{
+  short		v1;
+  short		v2;
+  short		flags;
+  short		special;
+  short		tag;
+  // sidenum[1] will be -1 if one sided
+  short		sidenum[2];		
+} maplinedef_t;
+
+
+//
+// LineDef attributes.
+//
+
+// Solid, is an obstacle.
+#define ML_BLOCKING		1
+
+// Blocks monsters only.
+#define ML_BLOCKMONSTERS	2
+
+// Backside will not be present at all
+//  if not two sided.
+#define ML_TWOSIDED		4
+
+// If a texture is pegged, the texture will have
+// the end exposed to air held constant at the
+// top or bottom of the texture (stairs or pulled
+// down things) and will move with a height change
+// of one of the neighbor sectors.
+// Unpegged textures allways have the first row of
+// the texture at the top pixel of the line for both
+// top and bottom textures (use next to windows).
+
+// upper texture unpegged
+#define ML_DONTPEGTOP		8
+
+// lower texture unpegged
+#define ML_DONTPEGBOTTOM	16	
+
+// In AutoMap: don't map as two sided: IT'S A SECRET!
+#define ML_SECRET		32
+
+// Sound rendering: don't let sound cross two of these.
+#define ML_SOUNDBLOCK		64
+
+// Don't draw on the automap at all.
+#define ML_DONTDRAW		128
+
+// Set if already seen, thus drawn in automap.
+#define ML_MAPPED		256
+
+
+
+
+// Sector definition, from editing.
+typedef	struct
+{
+  short		floorheight;
+  short		ceilingheight;
+  char		floorpic[8];
+  char		ceilingpic[8];
+  short		lightlevel;
+  short		special;
+  short		tag;
+} mapsector_t;
+
+// SubSector, as generated by BSP.
+typedef struct
+{
+  short		numsegs;
+  // Index of first one, segs are stored sequentially.
+  short		firstseg;	
+} mapsubsector_t;
+
+
+// LineSeg, generated by splitting LineDefs
+// using partition lines selected by BSP builder.
+typedef struct
+{
+  short		v1;
+  short		v2;
+  short		angle;		
+  short		linedef;
+  short		side;
+  short		offset;
+} mapseg_t;
+
+
+
+// BSP node structure.
+
+// Indicate a leaf.
+#define	NF_SUBSECTOR	0x8000
+
+typedef struct
+{
+  // Partition line from (x,y) to x+dx,y+dy)
+  short		x;
+  short		y;
+  short		dx;
+  short		dy;
+
+  // Bounding box for each child,
+  // clip against view frustum.
+  short		bbox[2][4];
+
+  // If NF_SUBSECTOR its a subsector,
+  // else it's a node of another subtree.
+  unsigned short	children[2];
+
+} mapnode_t;
+
+
+
+
+// Thing definition, position, orientation and type,
+// plus skill/visibility flags and attributes.
+typedef struct
+{
+    short		x;
+    short		y;
+    short		angle;
+    short		type;
+    short		options;
+} mapthing_t;
+
+
+
+
+
+#endif			// __DOOMDATA__
+
+