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dxx-rebirth/common/main/wall.h

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/*
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.
*/
/*
*
* Header for wall.c
*
*/
#ifndef _WALL_H
#define _WALL_H
#include "inferno.h"
#include "segment.h"
#include "object.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(DXX_BUILD_DESCENT_I)
#define MAX_WALLS 175 // Maximum number of walls
#define MAX_WALL_ANIMS 30 // Maximum different types of doors
#define MAX_DOORS 50 // Maximum number of open doors
#elif defined(DXX_BUILD_DESCENT_II)
#define MAX_WALLS 254 // Maximum number of walls
#define MAX_WALL_ANIMS 60 // Maximum different types of doors
#define MAX_DOORS 90 // Maximum number of open doors
#endif
// Various wall types.
#define WALL_NORMAL 0 // Normal wall
#define WALL_BLASTABLE 1 // Removable (by shooting) wall
#define WALL_DOOR 2 // Door
#define WALL_ILLUSION 3 // Wall that appears to be there, but you can fly thru
#define WALL_OPEN 4 // Just an open side. (Trigger)
#define WALL_CLOSED 5 // Wall. Used for transparent walls.
#if defined(DXX_BUILD_DESCENT_II)
#define WALL_OVERLAY 6 // Goes over an actual solid side. For triggers
#define WALL_CLOAKED 7 // Can see it, and see through it
#endif
// Various wall flags.
#define WALL_BLASTED 1 // Blasted out wall.
#define WALL_DOOR_OPENED 2 // Open door.
#define WALL_DOOR_LOCKED 8 // Door is locked.
#define WALL_DOOR_AUTO 16 // Door automatically closes after time.
#define WALL_ILLUSION_OFF 32 // Illusionary wall is shut off.
#if defined(DXX_BUILD_DESCENT_II)
#define WALL_WALL_SWITCH 64 // This wall is openable by a wall switch.
#define WALL_BUDDY_PROOF 128 // Buddy assumes he cannot get through this wall.
#endif
// Wall states
#define WALL_DOOR_CLOSED 0 // Door is closed
#define WALL_DOOR_OPENING 1 // Door is opening.
#define WALL_DOOR_WAITING 2 // Waiting to close
#define WALL_DOOR_CLOSING 3 // Door is closing
#if defined(DXX_BUILD_DESCENT_II)
#define WALL_DOOR_OPEN 4 // Door is open, and staying open
#define WALL_DOOR_CLOAKING 5 // Wall is going from closed -> open
#define WALL_DOOR_DECLOAKING 6 // Wall is going from open -> closed
#endif
//note: a door is considered opened (i.e., it has WALL_OPENED set) when it
//is more than half way open. Thus, it can have any of OPENING, CLOSING,
//or WAITING bits set when OPENED is set.
#define KEY_NONE 1
#define KEY_BLUE 2
#define KEY_RED 4
#define KEY_GOLD 8
#define WALL_HPS 100*F1_0 // Normal wall's hp
#define WALL_DOOR_INTERVAL 5*F1_0 // How many seconds a door is open
#define DOOR_OPEN_TIME i2f(2) // How long takes to open
#define DOOR_WAIT_TIME i2f(5) // How long before auto door closes
#if defined(DXX_BUILD_DESCENT_I)
#define MAX_CLIP_FRAMES 20
#elif defined(DXX_BUILD_DESCENT_II)
#define MAX_CLIP_FRAMES 50
#endif
// WALL_IS_DOORWAY flags.
#define WID_FLY_FLAG 1
#define WID_RENDER_FLAG 2
#define WID_RENDPAST_FLAG 4
#define WID_EXTERNAL_FLAG 8
#if defined(DXX_BUILD_DESCENT_II)
#define WID_CLOAKED_FLAG 16
#endif
// WALL_IS_DOORWAY return values F/R/RP
#define WID_WALL 2 // 0/1/0 wall
#define WID_TRANSPARENT_WALL 6 // 0/1/1 transparent wall
#define WID_ILLUSORY_WALL 3 // 1/1/0 illusory wall
#define WID_TRANSILLUSORY_WALL 7 // 1/1/1 transparent illusory wall
#define WID_NO_WALL 5 // 1/0/1 no wall, can fly through
#define WID_EXTERNAL 8 // 0/0/0/1 don't see it, dont fly through it
#define MAX_STUCK_OBJECTS 32
typedef struct stuckobj {
short objnum, wallnum;
int signature;
} stuckobj;
//Start old wall structures
typedef struct v16_wall {
sbyte type; // What kind of special wall.
sbyte flags; // Flags for the wall.
fix hps; // "Hit points" of the wall.
sbyte trigger; // Which trigger is associated with the wall.
sbyte clip_num; // Which animation associated with the wall.
sbyte keys;
} __pack__ v16_wall;
typedef struct v19_wall {
int segnum,sidenum; // Seg & side for this wall
sbyte type; // What kind of special wall.
sbyte flags; // Flags for the wall.
fix hps; // "Hit points" of the wall.
sbyte trigger; // Which trigger is associated with the wall.
sbyte clip_num; // Which animation associated with the wall.
sbyte keys;
int linked_wall; // number of linked wall
} __pack__ v19_wall;
typedef struct v19_door {
int n_parts; // for linked walls
short seg[2]; // Segment pointer of door.
short side[2]; // Side number of door.
short type[2]; // What kind of door animation.
fix open; // How long it has been open.
} __pack__ v19_door;
//End old wall structures
#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
typedef struct wall {
int segnum,sidenum; // Seg & side for this wall
fix hps; // "Hit points" of the wall.
int linked_wall; // number of linked wall
ubyte type; // What kind of special wall.
ubyte flags; // Flags for the wall.
ubyte state; // Opening, closing, etc.
sbyte trigger; // Which trigger is associated with the wall.
sbyte clip_num; // Which animation associated with the wall.
ubyte keys; // which keys are required
#if defined(DXX_BUILD_DESCENT_I)
short pad; // keep longword aligned
#elif defined(DXX_BUILD_DESCENT_II)
sbyte controlling_trigger;// which trigger causes something to happen here. Not like "trigger" above, which is the trigger on this wall.
// Note: This gets stuffed at load time in gamemine.c. Don't try to use it in the editor. You will be sorry!
sbyte cloak_value; // if this wall is cloaked, the fade value
#endif
} __pack__ wall;
#endif
typedef struct active_door {
int n_parts; // for linked walls
short front_wallnum[2]; // front wall numbers for this door
short back_wallnum[2]; // back wall numbers for this door
fix time; // how long been opening, closing, waiting
} __pack__ active_door;
#if defined(DXX_BUILD_DESCENT_II)
typedef struct cloaking_wall {
short front_wallnum; // front wall numbers for this door
short back_wallnum; // back wall numbers for this door
fix front_ls[4]; // front wall saved light values
fix back_ls[4]; // back wall saved light values
fix time; // how long been cloaking or decloaking
} __pack__ cloaking_wall;
#endif
//wall clip flags
#define WCF_EXPLODES 1 //door explodes when opening
#define WCF_BLASTABLE 2 //this is a blastable wall
#define WCF_TMAP1 4 //this uses primary tmap, not tmap2
#define WCF_HIDDEN 8 //this uses primary tmap, not tmap2
typedef struct {
fix play_time;
short num_frames;
short frames[MAX_CLIP_FRAMES];
short open_sound;
short close_sound;
short flags;
char filename[13];
char pad;
} __pack__ wclip;
extern char Wall_names[7][10];
//#define WALL_IS_DOORWAY(seg,side) wall_is_doorway(seg, side)
#if defined(DXX_BUILD_DESCENT_I)
#define WALL_IS_DOORWAY(seg,side) (((seg)->children[(side)] == -1) ? WID_WALL : ((seg)->children[(side)] == -2) ? WID_EXTERNAL_FLAG : ((seg)->sides[(side)].wall_num == -1) ? WID_NO_WALL : wall_is_doorway((seg), (side)))
#elif defined(DXX_BUILD_DESCENT_II)
#define WALL_IS_DOORWAY(seg,side) (((seg)->children[(side)] == -1) ? WID_RENDER_FLAG : ((seg)->children[(side)] == -2) ? WID_EXTERNAL_FLAG : ((seg)->sides[(side)].wall_num == -1) ? (WID_FLY_FLAG|WID_RENDPAST_FLAG) : wall_is_doorway((seg), (side)))
#define MAX_CLOAKING_WALLS 10
extern cloaking_wall CloakingWalls[MAX_CLOAKING_WALLS];
extern int Num_cloaking_walls;
#endif
extern wall Walls[MAX_WALLS]; // Master walls array
extern int Num_walls; // Number of walls
extern active_door ActiveDoors[MAX_DOORS]; // Master doors array
extern int Num_open_doors; // Number of open doors
extern wclip WallAnims[MAX_WALL_ANIMS];
extern int Num_wall_anims;
extern int walls_bm_num[MAX_WALL_ANIMS];
// Initializes all walls (i.e. no special walls.)
extern void wall_init();
// Automatically checks if a there is a doorway (i.e. can fly through)
extern int wall_is_doorway ( segment *seg, int side );
// Deteriorate appearance of wall. (Changes bitmap (paste-ons))
extern void wall_damage(segment *seg, int side, fix damage);
// Destroys a blastable wall. (So it is an opening afterwards)
extern void wall_destroy(segment *seg, int side);
void wall_illusion_on(segment *seg, int side);
void wall_illusion_off(segment *seg, int side);
// Opens a door, including animation and other processing.
void do_door_open(int door_num);
// Closes a door, including animation and other processing.
void do_door_close(int door_num);
// Opens a door
extern void wall_open_door(segment *seg, int side);
#if defined(DXX_BUILD_DESCENT_I)
// Closes a door (called after given interval)
extern void wall_close_door(int wall_num);
#elif defined(DXX_BUILD_DESCENT_II)
// Closes a door
extern void wall_close_door(segment *seg, int side);
#endif
//return codes for wall_hit_process()
#define WHP_NOT_SPECIAL 0 //wasn't a quote-wall-unquote
#define WHP_NO_KEY 1 //hit door, but didn't have key
#define WHP_BLASTABLE 2 //hit blastable wall
#define WHP_DOOR 3 //a door (which will now be opening)
// Determines what happens when a wall is shot
//obj is the object that hit...either a weapon or the player himself
extern int wall_hit_process(segment *seg, int side, fix damage, int playernum, object *obj );
// Opens/destroys specified door.
extern void wall_toggle(int segnum, int side);
// Tidy up Walls array for load/save purposes.
extern void reset_walls();
// Called once per frame..
void wall_frame_process();
extern stuckobj Stuck_objects[MAX_STUCK_OBJECTS];
// An object got stuck in a door (like a flare).
// Add global entry.
extern void add_stuck_object(object *objp, int segnum, int sidenum);
extern void remove_obsolete_stuck_objects(void);
//set the tmap_num or tmap_num2 field for a wall/door
extern void wall_set_tmap_num(segment *seg,int side,segment *csegp,int cside,int anim_num,int frame_num);
// Remove any flares from a wall
void kill_stuck_objects(int wallnum);
#if defined(DXX_BUILD_DESCENT_II)
//start wall open <-> closed transitions
void start_wall_cloak(segment *seg, int side);
void start_wall_decloak(segment *seg, int side);
extern int wclip_read_n_d1(wclip *wc, int n, PHYSFS_file *fp);
/*
* reads n cloaking_wall structs from a PHYSFS_file and swaps if specified
*/
void cloaking_wall_read_n_swap(cloaking_wall *cw, int n, int swap, PHYSFS_file *fp);
#endif
/*
* reads n wclip structs from a PHYSFS_file
*/
extern int wclip_read_n(wclip *wc, int n, PHYSFS_file *fp);
/*
* reads a v16_wall structure from a PHYSFS_file
*/
extern void v16_wall_read(v16_wall *w, PHYSFS_file *fp);
/*
* reads a v19_wall structure from a PHYSFS_file
*/
extern void v19_wall_read(v19_wall *w, PHYSFS_file *fp);
/*
* reads a wall structure from a PHYSFS_file
*/
extern void wall_read(wall *w, PHYSFS_file *fp);
/*
* reads n wall structs from a PHYSFS_file and swaps if specified
*/
extern void wall_read_n_swap(wall *w, int n, int swap, PHYSFS_file *fp);
/*
* reads a v19_door structure from a PHYSFS_file
*/
extern void v19_door_read(v19_door *d, PHYSFS_file *fp);
/*
* reads an active_door structure from a PHYSFS_file
*/
extern void active_door_read(active_door *ad, PHYSFS_file *fp);
/*
* reads n active_door structs from a PHYSFS_file and swaps if specified
*/
extern void active_door_read_n_swap(active_door *ad, int n, int swap, PHYSFS_file *fp);
extern void wall_write(wall *w, short version, PHYSFS_file *fp);
void wall_close_door_num(int door_num);
void init_stuck_objects(void);
void clear_stuck_objects(void);
void blast_nearby_glass(struct object *objp, fix damage);
#ifdef __cplusplus
}
#endif
#endif
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