| 1 | ;; Copyright 1995 Crack dot Com, All Rights reserved |
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| 2 | ;; See licensing information for more details on usage rights |
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| 3 | |
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| 4 | |
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| 5 | (defun flyer_ai () |
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| 6 | (if (not (eq smoke_time 0)) ;; if we just got hit, put out some smoke |
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| 7 | (progn |
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| 8 | (setq smoke_time (- smoke_time 1)) |
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| 9 | (if (eq (mod smoke_time 2) 0) |
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| 10 | (add_object SMALL_DARK_CLOUD (x) (y))))) |
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| 11 | |
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| 12 | (if (eq (aistate) 0) ;; wait for something to turn us on |
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| 13 | (if (or (eq (total_objects) 0) (not (eq (with_object (get_object 0) (aistate)) 0))) |
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| 14 | (if (next_picture) T |
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| 15 | (progn |
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| 16 | (set_targetable T) |
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| 17 | (set_state running) |
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| 18 | (set_aistate 1))) |
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| 19 | (progn |
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| 20 | (set_targetable nil) |
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| 21 | (set_state stopped) |
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| 22 | T)) |
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| 23 | (if (eq (hp) 0) ;; if dead, make an explosion |
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| 24 | (progn |
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| 25 | (add_object EXPLODE1 (+ (x) (random 10)) (+ (+ (random 10) (y)) -20) 0) |
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| 26 | (add_object EXPLODE1 (- (x) (random 10)) (+ (- (y) (random 10)) -20) 2) |
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| 27 | (add_object EXPLODE1 (x) (+ (- (y) (random 20)) -20) 4) |
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| 28 | (with_object (bg) (set_kills (+ (kills) 1))) |
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| 29 | nil) |
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| 30 | (progn |
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| 31 | (if (eq (mod (state_time) 5) 0) ;; make flyer noise every 5 ticks |
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| 32 | (play_sound FLYER_SND 127 (x) (y))) |
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| 33 | (if (> (with_object (bg) (x)) (x)) ;; start going right if player is to the right |
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| 34 | (progn |
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| 35 | (set_xvel (+ (xvel) 1)) |
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| 36 | (if (> (xvel) max_xvel) (set_xvel max_xvel)) |
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| 37 | (if (eq (direction) -1) |
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| 38 | (progn |
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| 39 | (set_direction 1) |
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| 40 | (set_state turn_around)))) |
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| 41 | (if (< (with_object (bg) (x)) (x)) ;; start going left if the player is to the left |
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| 42 | (progn |
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| 43 | (set_xvel (- (xvel) 1)) |
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| 44 | (if (< (xvel) (- 0 max_xvel)) (set_xvel (- 0 max_xvel))) |
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| 45 | (if (eq (direction) 1) |
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| 46 | (progn |
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| 47 | (set_direction -1) |
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| 48 | (set_state turn_around)))))) |
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| 49 | (if (> (with_object (bg) (- (y) 70)) (y)) |
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| 50 | (if (> (yvel) max_yvel) |
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| 51 | (set_yvel (- (yvel) 1)) |
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| 52 | (set_yvel (+ (yvel) 1))) |
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| 53 | |
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| 54 | (if (< (with_object (bg) (- (y) 50)) (y)) |
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| 55 | (if (< (yvel) (- 0 max_yvel)) |
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| 56 | (set_yvel (+ (yvel) 1)) |
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| 57 | (set_yvel (- (yvel) 1))))) |
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| 58 | |
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| 59 | (if (eq (random 5) 0) ;; add some randomness to the movement |
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| 60 | (set_xvel (+ (xvel) 1)) |
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| 61 | (if (eq (random 5) 0) |
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| 62 | (set_xvel (- (xvel) 1)))) |
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| 63 | (if (eq (random 5) 0) |
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| 64 | (set_yvel (+ (yvel) 1)) |
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| 65 | (if (eq (random 5) 0) |
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| 66 | (set_yvel (- (yvel) 1)))) |
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| 67 | |
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| 68 | (if (next_picture) T (set_state running)) ;; reset animation when done |
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| 69 | |
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| 70 | (bounce_move '(set_xvel (/ (xvel) 2)) '(set_xvel (/ (xvel) 2)) |
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| 71 | '(set_yvel (/ (yvel) 2)) '(set_yvel (/ (yvel) 2)) nil) |
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| 72 | |
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| 73 | (if (> fire_time 0) ;; if we need to wait till next burst |
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| 74 | (progn |
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| 75 | (setq fire_time (- fire_time 1)) |
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| 76 | (if (eq fire_time 0) |
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| 77 | (progn |
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| 78 | (setq burst_left burst_total) |
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| 79 | (setq burst_wait 0)))) |
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| 80 | (if (eq burst_wait 0) |
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| 81 | (if (and (< (distx) 150) (eq (direction) (facing))) |
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| 82 | (let ((firex (+ (x) (* (direction) 10)) ) |
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| 83 | (firey (y)) |
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| 84 | (playerx (+ (with_object (bg) (x)) (with_object (bg) (* (xvel) 4)))) |
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| 85 | (playery (+ (- (with_object (bg) (y)) 15) (with_object (bg) (* (yvel) 2))))) |
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| 86 | (if (and (can_see (x) (y) firex firey nil) (can_see firex firey playerx playery nil)) |
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| 87 | (progn |
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| 88 | (let ((angle (atan2 (- firey playery) |
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| 89 | (- playerx firex)))) |
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| 90 | (if (or (eq burst_left 1) (eq burst_left 0)) |
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| 91 | (setq fire_time fire_delay) |
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| 92 | (setq burst_left (- burst_left 1))) |
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| 93 | (setq burst_wait burst_delay) |
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| 94 | (fire_object (me) (aitype) firex firey angle (bg)) |
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| 95 | ))))) |
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| 96 | (setq burst_wait (- burst_wait 1)))) |
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| 97 | T)))) |
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| 98 | |
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| 99 | |
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| 100 | |
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| 101 | (defun flyer_cons () |
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| 102 | (setq fire_delay 20) |
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| 103 | (setq burst_delay 3) |
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| 104 | (setq max_xvel 10) |
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| 105 | (setq max_yvel 5) |
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| 106 | (set_aitype 9) |
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| 107 | (setq burst_total 2)) |
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| 108 | |
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| 109 | |
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| 110 | (defun flyer_damage (amount from hitx hity push_xvel push_yvel) |
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| 111 | (if (and from (with_object from (and (> (total_objects) 0) |
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| 112 | (with_object (get_object 0) |
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| 113 | (or (eq (otype) FLYER) |
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| 114 | (eq (otype) GREEN_FLYER)) |
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| 115 | )))) |
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| 116 | nil |
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| 117 | (if (eq (state) stopped) nil |
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| 118 | (progn |
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| 119 | (setq smoke_time 30) |
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| 120 | (set_yvel (- (yvel) 14)) |
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| 121 | (set_state flinch_up) |
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| 122 | (damage_fun amount from hitx hity push_xvel push_yvel))))) |
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| 123 | |
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| 124 | |
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| 125 | (setq load_warn nil) |
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| 126 | (if (not (load "register/flyer.lsp")) |
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| 127 | (progn |
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| 128 | (setq FLYER WHO) |
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| 129 | (setq GREEN_FLYER WHO))) |
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| 130 | (setq load_warn T) |
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| 131 | |
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