/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/

/*
 *
 * Bitmap and Palette loading functions.
 *
 */

#ifndef _BM_H
#define _BM_H

#include "gr.h"
#include "piggy.h"

#if defined(DXX_BUILD_DESCENT_I)
#define MAX_TEXTURES		800
#elif defined(DXX_BUILD_DESCENT_II)
#define MAX_TEXTURES    1200
#endif

//tmapinfo flags
#define TMI_VOLATILE    1   //this material blows up when hit
#if defined(DXX_BUILD_DESCENT_II)
#define TMI_WATER       2   //this material is water
#define TMI_FORCE_FIELD 4   //this is force field - flares don't stick
#define TMI_GOAL_BLUE   8   //this is used to remap the blue goal
#define TMI_GOAL_RED    16  //this is used to remap the red goal
#define TMI_GOAL_HOARD  32  //this is used to remap the goals
#endif

#if defined(DXX_BUILD_DESCENT_I)
typedef struct {
	char			filename[13];
	ubyte			flags;
	fix			lighting;		// 0 to 1
	fix			damage;			//how much damage being against this does
	int			eclip_num;		//if not -1, the eclip that changes this   
} __pack__ tmap_info;
#define N_COCKPIT_BITMAPS 4
#elif defined(DXX_BUILD_DESCENT_II)
typedef struct {
	ubyte   flags;     //values defined above
	ubyte   pad[3];    //keep alignment
	fix     lighting;  //how much light this casts
	fix     damage;    //how much damage being against this does (for lava)
	short   eclip_num; //the eclip that changes this, or -1
	short   destroyed; //bitmap to show when destroyed, or -1
	short   slide_u,slide_v;    //slide rates of texture, stored in 8:8 fix
	#ifdef EDITOR
	char    filename[13];       //used by editor to remap textures
	char    pad2[3];
	#endif
} __pack__ tmap_info;

#define TMAP_INFO_SIZE 20   // how much space it takes up on disk
#define N_COCKPIT_BITMAPS 6
#endif

extern int Num_object_types;

struct player_ship;
extern struct player_ship only_player_ship;
extern int Num_cockpits;
extern bitmap_index cockpit_bitmap[N_COCKPIT_BITMAPS];
extern short tmap_xlate_table[MAX_TEXTURES];

extern int Num_tmaps;
#ifdef EDITOR
extern int TmapList[MAX_TEXTURES];
#endif

extern tmap_info TmapInfo[MAX_TEXTURES];

// Initializes the palette, bitmap system...
void gamedata_close();
int gamedata_init();
void bm_close();

// Initializes the Texture[] array of bmd_bitmap structures.
void init_textures();

#if defined(DXX_BUILD_DESCENT_I)

#define OL_ROBOT 				1
#define OL_HOSTAGE 			2
#define OL_POWERUP 			3
#define OL_CONTROL_CENTER	4
#define OL_PLAYER				5
#define OL_CLUTTER			6		//some sort of misc object
#define OL_EXIT				7		//the exit model for external scenes

#define	MAX_OBJTYPE			100

extern int Num_total_object_types;		//	Total number of object types, including robots, hostages, powerups, control centers, faces
extern sbyte	ObjType[MAX_OBJTYPE];		// Type of an object, such as Robot, eg if ObjType[11] == OL_ROBOT, then object #11 is a robot
extern sbyte	ObjId[MAX_OBJTYPE];			// ID of a robot, within its class, eg if ObjType[11] == 3, then object #11 is the third robot
extern fix	ObjStrength[MAX_OBJTYPE];	// initial strength of each object

#define MAX_OBJ_BITMAPS				210

#elif defined(DXX_BUILD_DESCENT_II)

//the model number of the marker object
extern int Marker_model_num;
#define MAX_OBJ_BITMAPS     610
extern int N_ObjBitmaps;
#endif

extern int  Num_object_subtypes;     // Number of possible IDs for the current type of object to be placed

extern bitmap_index ObjBitmaps[MAX_OBJ_BITMAPS];
extern ushort ObjBitmapPtrs[MAX_OBJ_BITMAPS];
extern int First_multi_bitmap_num;
void compute_average_rgb(grs_bitmap *bm, fix *rgb);

// Initializes all bitmaps from BITMAPS.TBL file.
int gamedata_read_tbl(int pc_shareware);

extern void bm_read_all(PHYSFS_file * fp);

int load_exit_models();

#endif /* _BM_H */