halls.exp

/* name flags */

#define NAME_UNIQUE	1		/* a unique person */
#define NAME_THE	2		/* a unique thing */
#define NAME_FEMALE	4		/* a female person */
#define	NAME_PLURAL	8		/* has special pluralization */

/* ImageFile describes the characteristics of a series of images on disk */

typedef struct {
	SHORT	start_sector;
	SHORT	sector_count;
	void	*where_loaded;
} ImageFile;

/* images describes the format of individual images within an image file */

typedef struct {
	ImageFile	*file;
	void		*image_loc;		/* address of basic images */
	void		*prog_loc;		/* address of programmable color array */
	void		*mask_loc;		/* address of mask characters */
	SHORT		image_width;
	SHORT		image_height;
	SHORT		image_count;
} Images;

/* Creature describes the features of an entire species */

typedef struct {
	ImageFile	*images;
	BYTE	cross_section;		/* size as a target */
	BYTE	mass;				/* heaviness for pushing, $ff = infinite */
	BYTE	force;				/* pushing strength */
	BYTE	hit_skill;			/* how well this kind can fight */
	BYTE	behavior;			/* behavior type for this race */
	BYTE	treasure_type;		/* what kinds of things this guy picks up */
		/* note this may be not needed */
	SHORT	walkbase;			/* work on this */
	char	nameflags;
	char	name[12];
} Creature;

/* Actor defines an instance of a Creature */

typedef struct {
	USHORT	xpos, ypos;
	SHORT	altitude;
	Creature *species;
	SHORT	x_velocity, y_velocity;
	SHORT	vitality;
	SHORT	wealth;				/* how much is this guy carrying */
	BYTE	facing;				/* direction we are facing */
	BYTE	body_state;			/* walk, fight, fall, etc. */
	BYTE	sub_state;			/* exact cycle of walk, etc. */
	BYTE	weapon_ready;		/* what attack type */
	BYTE	spell_ready;		/* what alternate action type */
	BYTE	goal1, goal2;		/* what goals we shall attempt */
	BYTE	plan1, plan2;		/* how we are to acieve them */
	BYTE	tactic;				/* immediate tactic we are trying */
	BYTE	success;			/* how well is our plan working */
	BYTE	inventory[30];		/* 30-item inventory list */
} Actor;

/* Object describes the features of a prototype object */

typedef struct {
	char	*name;
	ImageFile	*images;
	BYTE	cross_section;		/* size as a target */
	BYTE	mass;				/* heaviness for pushing, $ff = infinite */
	BYTE	container;			/* if container, = capacity, else zero */
	char	nameflags;
	char	name[12];
} Object;

/* Token is an instance of a specific object */

typedef struct {
	USHORT	xpos, ypos;
	SHORT	altitude;
	SHORT	x_velocity, y_velocity;
	Object	*prototype;
} Token;

/* any temporarily existing object, but mostly missiles in flight */

typedef struct {
	USHORT	xpos, ypos;
	SHORT	altitude;
	Object	*prototype;
} Missile;

/* describes the graphic representation of an operative spell */

typedef struct {
	USHORT	xpos, ypos;
	SHORT	altitude;
	BYTE	spelltype;
	BYTE	duration;
} Spell;

/* Animation ties together the above into an on-screen image */

typedef struct {
	SHORT	rel_x, rel_y;		/* relative position on-screen */
	SHORT	shadow_altitude;	/* all flying things have seperate shadows */
	SHORT	image_index;		/* which image out of image file to use */
	void	*piece;				/* pointer to actor or object */
	BYTE	piecetype;			/* actor, object, etc. */
	BYTE	onstage;			/* 0 = on-screen, 1 = nearby, 2 = out of play */
	BYTE	cycle;				/* walk/fight animation cycle */
} Animation;

enum piecetypes (NO_PIECE, ACTOR, OBJECT, MISSILE, SPELL);