/* DE1: $Id: p_arch.h 3009 2006-04-06 20:54:46Z danij $
 * Copyright (C) 2006 Jaakko Keränen <jaakko.keranen@iki.fi>
 *                    Daniel Swanson <danij@users.sourceforge.net>
 *
 * 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: http://www.opensource.org/
 */

/*
 * p_arch.h: Doomsday Archived Map (DAM) reader
 *
 * Engine-internal header for DAM.
 */

#ifndef __DOOMSDAY_ARCHIVED_MAP_H__
#define __DOOMSDAY_ARCHIVED_MAP_H__

// number of map data lumps for a level
#define NUM_MAPLUMPS 12

// well, there is GL_PVIS too but we arn't interested in that
#define NUM_GLLUMPS 5

enum {
    LCM_LABEL,
    LCM_THINGS,
    LCM_LINEDEFS,
    LCM_SIDEDEFS,
    LCM_VERTEXES,
    LCM_SEGS,
    LCM_SUBSECTORS,
    LCM_NODES,
    LCM_SECTORS,
    LCM_REJECT,
    LCM_BLOCKMAP,
    LCM_BEHAVIOR,
    LCG_LABEL,
    LCG_VERTEXES,
    LCG_SEGS,
    LCG_SUBSECTORS,
    LCG_NODES,
    NUM_LUMPCLASSES
};

//
// Types used in map data handling
//
typedef struct {
    int property; // DAM property to map the data to
    boolean gameprop; // if true is a game-specific property (passed to the game)
    int flags;
    int size;   // num of bytes
    int offset;
} datatype_t;

typedef struct mapdatalumpformat_s {
    int   version;
    char *magicid;
    boolean isText; // True if the lump is a plain text lump.
    size_t elmSize;
    int   numValues;
    datatype_t *values;
} mapdatalumpformat_t;

typedef struct mapdataformat_s {
    char *vername;
    mapdatalumpformat_t verInfo[NUM_MAPLUMPS];
    boolean supported;
} mapdataformat_t;

typedef struct glnodeformat_s {
    char *vername;
    mapdatalumpformat_t verInfo[NUM_GLLUMPS];
    boolean supported;
} glnodeformat_t;

typedef struct {
    char *lumpname;
    int  mdLump;
    int  glLump;
    int  dataType;
    int  lumpclass;
    int  required;
    boolean precache;
} maplumpinfo_t;

typedef struct mapdatalumpinfo_s {
    int     lumpNum;
    byte   *lumpp;      // ptr to the lump data
    mapdatalumpformat_t     *format;
    int     lumpClass;
    int     startOffset;
    int     length;
} mapdatalumpinfo_t;

void        P_InitMapDataFormats(void);
boolean    P_LoadMapData(char *levelId);
#endif