dxx-rebirth/main/laser.h

/* $Id: laser.h,v 1.1.1.1 2006/03/17 19:55:16 zicodxx Exp $ */
/*
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.
*/

/*
 *
 * Definitions for the laser code.
 *
 */

#ifndef _LASER_H
#define _LASER_H

#define LASER_ID        0   //0..3 are lasers
#define CONCUSSION_ID   8
#define FLARE_ID        9   //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define VULCAN_ID       11  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define SPREADFIRE_ID   12  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define PLASMA_ID       13  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define FUSION_ID       14  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define HOMING_ID       15
#define PROXIMITY_ID    16
#define SMART_ID        17
#define MEGA_ID         18

#define PLAYER_SMART_HOMING_ID  19
#define SUPER_MECH_MISS         21
#define REGULAR_MECH_MISS       22
#define SILENT_SPREADFIRE_ID    23
#define ROBOT_SMART_HOMING_ID   29
#define EARTHSHAKER_MEGA_ID     54

#define SUPER_LASER_ID          30  // 30,31 are super lasers (level 5,6)

#define GAUSS_ID                32  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define HELIX_ID                33  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define PHOENIX_ID              34  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.
#define OMEGA_ID                35  //  NOTE: This MUST correspond to the ID generated at bitmaps.tbl read time.

#define FLASH_ID                36
#define GUIDEDMISS_ID           37
#define SUPERPROX_ID            38
#define MERCURY_ID              39
#define EARTHSHAKER_ID          40

#define SMART_MINE_HOMING_ID        47
#define ROBOT_SMART_MINE_HOMING_ID  49
#define ROBOT_SUPERPROX_ID          53
#define ROBOT_EARTHSHAKER_ID        58

#define PMINE_ID                    51  //the mine that the designers can place

#define OMEGA_MULTI_LIFELEFT    (F1_0/6)

// These are new defines for the value of 'flags' passed to do_laser_firing.
// The purpose is to collect other flags like QUAD_LASER and Spreadfire_toggle
// into a single 8-bit quantity so it can be easily used in network mode.

#define LASER_QUAD                  1
#define LASER_SPREADFIRE_TOGGLED    2
#define LASER_HELIX_FLAG0           4   // helix uses 3 bits for angle
#define LASER_HELIX_FLAG1           8   // helix uses 3 bits for angle
#define LASER_HELIX_FLAG2           16  // helix uses 3 bits for angle

#define LASER_HELIX_SHIFT       2   // how far to shift count to put in flags
#define LASER_HELIX_MASK        7   // must match number of bits in flags

#define MAX_LASER_LEVEL         3   // Note, laser levels are numbered from 0.
#define MAX_SUPER_LASER_LEVEL   5   // Note, laser levels are numbered from 0.

#define MAX_LASER_BITMAPS   6

// For muzzle firing casting light.
#define MUZZLE_QUEUE_MAX    8

// Constants governing homing missile behavior.
// MIN_TRACKABLE_DOT gets inversely scaled by FrameTime and stuffed in
// Min_trackable_dot
#define MIN_TRACKABLE_DOT               (7*F1_0/8)
#define MAX_TRACKABLE_DIST              (F1_0*250)
#define HOMING_MISSILE_STRAIGHT_TIME    (F1_0/8)    //  Changed as per request of John, Adam, Yuan, but mostly John

struct object;

extern fix Min_trackable_dot;   //  MIN_TRACKABLE_DOT inversely scaled by FrameTime

extern struct object *Guided_missile[];
extern int Guided_missile_sig[];

void Laser_render(struct object *obj);
void Laser_player_fire(struct object * obj, int type, int gun_num, int make_sound, int harmless_flag);
void Laser_player_fire_spread(struct object *obj, int laser_type, int gun_num, fix spreadr, fix spreadu, int make_sound, int harmless);
void Laser_do_weapon_sequence(struct object *obj);
void Flare_create(struct object *obj);
int laser_are_related(int o1, int o2);

extern int do_laser_firing_player(void);
extern void do_missile_firing(int drop_bomb);
extern void net_missile_firing(int player, int weapon, int flags);

int Laser_create_new(vms_vector * direction, vms_vector * position, int segnum, int parent, int type, int make_sound);

// Fires a laser-type weapon (a Primary weapon)
// Fires from object objnum, weapon type weapon_id.
// Assumes that it is firing from a player object, so it knows which
// gun to fire from.
// Returns the number of shots actually fired, which will typically be
// 1, but could be higher for low frame rates when rapidfire weapons,
// such as vulcan or plasma are fired.
extern int do_laser_firing(int objnum, int weapon_id, int level, int flags, int nfires);

// Easier to call than Laser_create_new because it determines the
// segment containing the firing point and deals with it being stuck
// in an object or through a wall.
// Fires a laser of type "weapon_type" from an object (parent) in the
// direction "direction" from the position "position"
// Returns object number of laser fired or -1 if not possible to fire
// laser.
int Laser_create_new_easy(vms_vector * direction, vms_vector * position, int parent, int weapon_type, int make_sound);

// creates a weapon object
int create_weapon_object(int weapon_type,int segnum,vms_vector *position);

// give up control of the guided missile
void release_guided_missile(int player_num);

extern void create_smart_children(struct object *objp, int count);
extern int object_to_object_visibility(struct object *obj1, struct object *obj2, int trans_type);

extern int Muzzle_queue_index;

typedef struct muzzle_info {
	fix         create_time;
	short       segnum;
	vms_vector  pos;
} muzzle_info;

extern muzzle_info Muzzle_data[MUZZLE_QUEUE_MAX];

// Omega cannon stuff.
#define MAX_OMEGA_CHARGE    (F1_0)  //  Maximum charge level for omega cannonw
extern fix Omega_charge;
// NOTE: OMEGA_CHARGE_SCALE moved to laser.c to avoid long rebuilds if changed

#endif /* _LASER_H */