source: abuse-frabs/trunk/lisp/doors.lsp @ 44 Tweet

;; Copyright 1995 Crack dot Com,  All Rights reserved
;; See licensing information for more details on usage rights

(defun general_door_ai (push?) 
  (select (aistate)
          (0 (if (> (total_objects) 0)             ; are we linked to a key?
                 (progn
                   (set_state blocking)              ; don't let play pass
                   (if push?
                       (push_char (+ (picture_width) 8) (picture_height)))
                   )
               (if (touching_bg)                   ; found key, wait till touching to open
                   (progn (set_state running)      ; start opening animation
                          (play_sound SWISH 70 (x) (y))
                          (go_state 1))
                 nil)))
          (1 (if (not (next_picture))              ; wait till open animation finishes
                 (progn 
                   (set_state stopped)             ; set opened animation
                   (go_state 2))))              

          (2 (if (> (total_objects) 0)             ; wait till level editor links us to a key
                 (progn 
                   (set_state blocking)
                   (go_state 0))
               (next_picture))))
  T)

(defun sdoor_ai ()
  (general_sdoor_ai T))

(defun general_sdoor_ai (push?)
  (select (aistate)
          (0 ;          closed, wait for signal
           (if (> (total_objects) 0)
               (if (not (eq (with_object (get_object 0) (aistate)) 0))
                   (progn (set_state running)
                          (play_sound SWISH 70 (x) (y))
                          (go_state 1))
                 (progn
                   (set_state stopped)
                   (if push?
                       (push_char (+ (picture_width) 8) (picture_height)))))))

          (1 ;          opening
           (if (next_picture) nil
             (progn 
               (set_state blocking)
               (set_aistate 2))))
          (2 (if (> (total_objects) 0)
                 (if (eq (with_object (get_object 0) (aistate)) 0)
                   (progn (set_state walking)
                          (play_sound SWISH 70 (x) (y))
                          (go_state 3)))))
          (3 ;         closing
           (if (next_picture) nil
             (progn
               (set_state stopped)
               (set_aistate 0))))
          )
  

T)


(def_char SWITCH_DOOR
  (funs (ai_fun sdoor_ai)
        (reload_fun lower_reload))
  (flags (can_block T))
  (range 250 60)
  (draw_range 30 50)
  (abilities (push_xrange 1))
  (states "art/chars/door.spe"
          (stopped "door0006.pcx")
          (running (seq "door" 6 1))
          (walking (seq "door" 1 6))
          (blocking "door0001.pcx")))

(defun ff_push (who xamount)
  (if who
      (progn
        (let ((bgx (with_object who (x)) (x))
              (bgy (with_object who (y)) (y)))
          (if (and (>= bgy (y)) (<= bgy (+ end_y 20))
                   (< (abs (- bgx (x))) xamount))            
              (let ((amount (if (> bgx (x))
                                (- xamount (- bgx (x)))
                              (- (- (x) bgx) xamount))))
                (with_object who (try_move amount 0)))))
        (ff_push (next_focus who) xamount))))


(defun ff_ai ()

  (shift_rand_table (random 80))
  (if (activated)
      (let ((nowx (x))
            (nowy (y)))

        (if (eq (mod (game_tick) 4) 0)
            (play_sound FF_SND 127 (x) (y)))
        (try_move 0 (+ (y) 200))    ;; find the floor
        (setq end_y (y))            ;; save the position
        (set_x nowx)
        (set_y nowy)
        (ff_push (first_focus) 35)))
  T)
        

(defun ff_draw ()
  (if (edit_mode) (draw))
  (if (activated)
      (progn
        (ascatter_line (x) (y) (x) end_y (find_rgb 151 139 151) (find_rgb 75 69 75)    3)
        (ascatter_line (x) (y) (x) end_y (find_rgb 139 147 191) (find_rgb 69 73 95)    2)
        (ascatter_line (x) (y) (x) end_y (find_rgb 39  55  71)  (find_rgb 19 27 35)    2)
        (ascatter_line (x) (y) (x) end_y (find_rgb 39  55  71)  (find_rgb 20 26 35)    2))))



(def_char FORCE_FIELD
  (funs (ai_fun ff_ai)
        (draw_fun ff_draw))
  (range 10 500)
  (vars end_y)
  (states "art/misc.spe"
          (stopped "force_field")))
        

(defun hwall_ai ()
  (if (or (eq (hp) 0) 
          (and (eq (total_objects) 1)
               (with_object (get_object 0) (not (eq (aistate) 0)))))
      (progn
        (add_object EXPLODE1 (+ (x) 15) (- (y) 7)   0)
        (play_sound HWALL_SND 127 (x) (y))
        (hurt_radius (+ (x) (* 15 (direction))) (- (y) 7) 50 60 (bg) 20)
        nil)
    T))

(defun big_wall_ai ()
  (if (or (eq (hp) 0) 
          (and (eq (total_objects) 1)
               (with_object (get_object 0) (not (eq (aistate) 0)))))
      (progn
        (add_object EXPLODE1 (- (x) 15) (- (y) 7)   0)
        (add_object EXPLODE1 (+ (x) 15) (- (y) 22)  0)
        (add_object EXPLODE1 (+ (x) (random 5)) (+ (+ (random 5) (y)) -20)     0)
        (play_sound HWALL_SND 127 (x) (y))
        (hurt_radius (x) (- (y) 15) 110 120 (bg) 20)
        nil)
    T))


(defun hwall_damage (amount from hitx hity push_xvel push_yvel)
  (if (activated)
      (progn
        (damage_fun amount from hitx hity push_xvel push_yvel)
        (let ((max_hp (get_ability start_hp)))
          (if (and (not (eq (hp) 0)) (not (> (hp) max_hp)))
              (set_current_frame (/ (* (total_frames) (- max_hp (hp))) max_hp)))))))

(defun hwall_reload ()    ;; we changed this , make sure this is reflected in all of the levels
  (if (eq (hp) 60)
      (set_hp 25)))

      
(defun make_hidden_wall_char (name start end ai)
  (eval `(def_char ,name
           (funs (ai_fun ,ai)
                 (reload_fun  hwall_reload)
                 (damage_fun hwall_damage))
           (abilities (start_hp 25))
           (draw_range 80 80)
           (flags (can_block T)
                  (unactive_shield T)
                  (hurtable T))
           (states "art/chars/sect.spe"
                   (stopped (seq "sect" ,start ,end))))))     ; damn lisp is cool




(make_hidden_wall_char 'HIDDEN_WALL1 1 3 'hwall_ai)
(make_hidden_wall_char 'HIDDEN_WALL2 4 6 'hwall_ai)
(make_hidden_wall_char 'HIDDEN_WALL3 7 9 'hwall_ai)
(make_hidden_wall_char 'HIDDEN_WALL4 10 12 'hwall_ai)
(make_hidden_wall_char 'HIDDEN_WALL5 13 15 'hwall_ai)

(make_hidden_wall_char 'HIDDEN_WALL_2x2 16 18 'big_wall_ai)
(make_hidden_wall_char 'HIDDEN_WALL_3WAL 19 21 'big_wall_ai)
(make_hidden_wall_char 'HIDDEN_WALL_3FLR 22 24 'big_wall_ai)
(make_hidden_wall_char 'HIDDEN_WALL_3TOP 25 27 'big_wall_ai)

(make_hidden_wall_char 'HIDDEN_WALL_AFLR 28 30 'big_wall_ai)

(make_hidden_wall_char 'HIDDEN_RAMP1 31 33 'hwall_ai)
(make_hidden_wall_char 'HIDDEN_RAMP2 34 36 'hwall_ai)