#ifndef __XG_LINE_CLASSES_H__
#define __XG_LINE_CLASSES_H__

// When the common playsim is in place - Doomsday will call the
// the XG Class Funcs which are owned by the game.

// iparm string mapping identifiers
#define MAP_SND     0x01000000
#define MAP_MUS     0x02000000
#define MAP_TEX     0x04000000
#define MAP_FLAT    0x08000000
#define MAP_MASK    0x00ffffff

enum
{
    XGPF_INT,
    XGPF_FLOAT,
    XGPF_STRING
};

typedef struct{
    int  flags;
    char name[128];
    char flagprefix[20];
    int  map;
} xgclassparm_t;

typedef enum {
    TRAV_NONE,    // The class func is executed once only, WITHOUT any traversal
    TRAV_LINES,
    TRAV_PLANES,
    TRAV_SECTORS  // Actually traverses planes but pretends to the user that its
                  // traversing sectors via XG_Dev messages (easier to comprehend)
} xgtravtype;

#ifndef C_DECL
#  if defined(WIN32)
#    define C_DECL __cdecl
#  elif defined(UNIX)
#    define C_DECL
#  endif
#endif

typedef struct xgclass_s{
    // Do function (called during ref iteration)
    int (C_DECL *doFunc)();

    // Init function (called once, before ref iteration)
    void (*initFunc)(struct line_s *line);

    // what the class wants to traverse
    xgtravtype traverse;

    // the iparm numbers to use for ref traversal
    int travref;
    int travdata;

    int evtypeflags;                // if > 0 the class only supports certain
                                    // event types (which are flags on this var)
    const char *className;          // txt string id
    xgclassparm_t iparm[20];        // iparms
} xgclass_t;

// Line type classes. Add new classes to the end!
enum
{
    LTC_NONE,                       // No action.
    LTC_CHAIN_SEQUENCE,
    LTC_PLANE_MOVE,
    LTC_BUILD_STAIRS,
    LTC_DAMAGE,
    LTC_POWER,
    LTC_LINE_TYPE,
    LTC_SECTOR_TYPE,
    LTC_SECTOR_LIGHT,
    LTC_ACTIVATE,
    LTC_KEY,
    LTC_MUSIC,                       // Change the music to play.
    LTC_LINE_COUNT,                   // Line activation count delta.
    LTC_END_LEVEL,
    LTC_DISABLE_IF_ACTIVE,
    LTC_ENABLE_IF_ACTIVE,
    LTC_EXPLODE,                   // Explodes the activator.
    LTC_PLANE_TEXTURE,
    LTC_WALL_TEXTURE,
    LTC_COMMAND,
    LTC_SOUND,                       // Play a sector sound.
    LTC_MIMIC_SECTOR,
    LTC_TELEPORT,
    LTC_LINETELEPORT,
    NUMXGCLASSES
};

#endif