| 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 | /* written in C |
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| 6 | (defun gun_draw () |
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| 7 | (draw_tint (aref gun_tints (aitype)))) |
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| 8 | */ |
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| 9 | |
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| 10 | (setq gun_tints (make-array 11 :initial-contents (list |
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| 11 | normal_tint |
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| 12 | (def_tint "art/tints/guns/orange.spe") ; orange |
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| 13 | (def_tint "art/tints/guns/green.spe") ; grenade |
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| 14 | (def_tint "art/tints/guns/redish.spe") ; rocket |
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| 15 | (def_tint "art/tints/guns/blue.spe") ; plasma |
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| 16 | normal_tint |
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| 17 | normal_tint |
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| 18 | normal_tint |
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| 19 | normal_tint |
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| 20 | normal_tint |
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| 21 | normal_tint))) |
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| 22 | |
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| 23 | |
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| 24 | (setq ai_ammo (make-array 9 :initial-contents (list MBULLET_ICON5 |
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| 25 | MBULLET_ICON5 |
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| 26 | GRENADE_ICON2 |
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| 27 | ROCKET_ICON2 |
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| 28 | PLASMA_ICON20 |
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| 29 | MBULLET_ICON5 |
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| 30 | MBULLET_ICON5 |
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| 31 | MBULLET_ICON5 |
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| 32 | MBULLET_ICON5))) |
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| 33 | |
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| 34 | (defun aitype_to_ammo (aitype) |
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| 35 | (aref ai_ammo aitype)) |
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| 36 | |
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| 37 | |
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| 38 | |
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| 39 | (defun fire_object (creator type x y angle target) |
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| 40 | (select type |
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| 41 | |
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| 42 | (0 (with_object (add_object SHOTGUN_BULLET x y) |
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| 43 | (progn |
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| 44 | (play_sound ZAP_SND 127 (x) (y)) |
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| 45 | (setq sgb_lifetime 6) |
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| 46 | (setq sgb_speed 15) |
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| 47 | (setq sgb_lastx (x)) |
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| 48 | (setq sgb_lasty (y)) |
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| 49 | (setq sgb_angle angle) |
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| 50 | (setq sgb_bright_color (find_rgb 255 255 200)) |
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| 51 | (setq sgb_medium_color (find_rgb 150 150 0)) |
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| 52 | (if creator |
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| 53 | (progn |
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| 54 | (setq sgb_speed (+ sgb_speed (/ (xvel) 2))) |
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| 55 | (link_object creator))) |
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| 56 | (sgun_ai) |
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| 57 | ))) |
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| 58 | (1 (with_object (add_object SHOTGUN_BULLET x y) |
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| 59 | (progn |
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| 60 | (play_sound ZAP_SND 127 (x) (y)) |
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| 61 | (setq sgb_lifetime 40) |
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| 62 | (setq sgb_speed 6) |
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| 63 | (setq sgb_lastx (x)) |
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| 64 | (setq sgb_lasty (y)) |
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| 65 | (setq sgb_angle angle) |
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| 66 | |
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| 67 | (setq sgb_bright_color (find_rgb 255 128 64)) |
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| 68 | (setq sgb_medium_color (find_rgb 255 0 0)) |
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| 69 | (if creator |
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| 70 | (progn |
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| 71 | (setq sgb_speed (+ sgb_speed (/ (xvel) 2))) |
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| 72 | (link_object creator))) |
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| 73 | (sgun_ai) |
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| 74 | ))) |
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| 75 | (2 (with_object (add_object GRENADE x y) |
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| 76 | (progn |
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| 77 | (play_sound GRENADE_THROW 127 x y) |
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| 78 | (set_course angle 20) |
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| 79 | (if creator |
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| 80 | (progn |
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| 81 | (link_object creator) |
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| 82 | (set_xvel (+ (xvel) (with_object creator (xvel)))) |
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| 83 | (set_yvel (+ (yvel) (with_object creator (yvel)))) |
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| 84 | )) |
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| 85 | |
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| 86 | (set_frame_angle 0 359 angle) |
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| 87 | ))) |
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| 88 | (3 (with_object (add_object ROCKET x y) |
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| 89 | (progn |
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| 90 | (play_sound ROCKET_LAUNCH_SND 127 x y) |
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| 91 | (set_aistate angle) |
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| 92 | (if creator (link_object creator)) |
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| 93 | |
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| 94 | (if (and target ;; don't link if not in line of site |
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| 95 | (can_see (x) (y) |
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| 96 | (with_object target (x)) |
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| 97 | (with_object target (y)) nil)) |
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| 98 | (link_object target)) |
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| 99 | |
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| 100 | (set_frame_angle 0 359 angle) |
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| 101 | (setq speed 5) |
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| 102 | (if (and creator (with_object creator (isa_player))) |
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| 103 | (setq max_speed 14) |
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| 104 | (setq max_speed 10)) |
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| 105 | (set_y (+ (y) (/ (picture_height) 2))) ;; move down to match frame/pos |
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| 106 | ))) |
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| 107 | |
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| 108 | (4 (with_object (add_object PLASMAGUN_BULLET x y) |
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| 109 | (progn |
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| 110 | (play_sound PLASMA_SND 127 (x) (y)) |
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| 111 | (setq sgb_lastx (x)) |
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| 112 | (setq sgb_lasty (y)) |
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| 113 | (if creator |
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| 114 | (link_object creator)) |
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| 115 | (set_course angle 200) |
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| 116 | (let ((old_x (x)) |
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| 117 | (old_y (y)) |
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| 118 | (bx (bmove (if (> (total_objects) 0) (get_object 0) nil)))) |
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| 119 | (if (not (eq bx T)) |
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| 120 | (if (eq bx nil) |
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| 121 | (add_object EXPLODE5 (- (x) (random 5)) |
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| 122 | (- (y) (random 5)) 0) |
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| 123 | (progn |
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| 124 | (add_object EXPLODE3 (- (x) (random 5)) |
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| 125 | (- (y) (random 5)) 0) |
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| 126 | (do_damage 10 bx (* (cos sgb_angle) 20) |
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| 127 | (* (sin sgb_angle) 10))))) |
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| 128 | (setq sgb_lastx (x)) |
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| 129 | (setq sgb_lasty (y)) |
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| 130 | (set_x old_x) |
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| 131 | (set_y old_y)) |
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| 132 | ))) |
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| 133 | |
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| 134 | |
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| 135 | (5 (with_object (add_object FIREBOMB x y) |
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| 136 | (progn |
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| 137 | (play_sound FIREBOMB_SND 127 (x) (y)) |
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| 138 | (set_course angle 20) |
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| 139 | (if creator |
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| 140 | (progn |
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| 141 | (link_object creator) |
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| 142 | (set_yvel (+ (yvel) (with_object creator (yvel)))) |
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| 143 | ))))) |
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| 144 | |
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| 145 | (6 (with_object (add_object DFRIS_BULLET x y) |
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| 146 | (progn |
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| 147 | (play_sound ROCKET_LAUNCH_SND 127 x y) |
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| 148 | (set_course angle 25) |
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| 149 | (set_aistate angle) |
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| 150 | (if creator |
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| 151 | (link_object creator)) |
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| 152 | (dfris_ai) |
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| 153 | ))) |
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| 154 | |
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| 155 | (7 (with_object (add_object LSABER_BULLET x y) |
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| 156 | (progn |
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| 157 | (play_sound LSABER_SND 127 (x) (y)) |
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| 158 | (setq sgb_lastx (x)) |
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| 159 | (setq sgb_lasty (y)) |
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| 160 | (if creator |
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| 161 | (link_object creator)) |
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| 162 | (set_course angle 45) |
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| 163 | (let ((bx (bmove (if (> (total_objects) 0) (get_object 0) nil)))) |
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| 164 | (if (not (eq bx T)) |
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| 165 | (if (not (eq bx nil)) |
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| 166 | (do_damage 30 bx (* (cos sgb_angle) 20) |
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| 167 | (* (sin sgb_angle) 10))))) |
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| 168 | ))) |
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| 169 | |
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| 170 | |
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| 171 | (9 (with_object (add_object STRAIT_ROCKET x y) |
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| 172 | (progn |
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| 173 | (play_sound MGUN_SND 127 (x) (y)) |
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| 174 | (if creator |
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| 175 | (link_object creator)) |
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| 176 | (set_aistate angle) |
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| 177 | (set_frame_angle 0 359 angle) |
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| 178 | (play_sound GRENADE_THROW 127 (x) (y))))) |
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| 179 | |
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| 180 | (10 (with_object (add_object SHOTGUN_BULLET x y) |
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| 181 | (progn |
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| 182 | (play_sound ZAP_SND 127 (x) (y)) |
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| 183 | (setq sgb_lifetime 6) |
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| 184 | (setq sgb_speed 15) |
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| 185 | (setq sgb_lastx (x)) |
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| 186 | (setq sgb_lasty (y)) |
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| 187 | (setq sgb_angle angle) |
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| 188 | (setq sgb_bright_color (find_rgb 255 0 0)) |
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| 189 | (setq sgb_medium_color (find_rgb 150 0 0)) |
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| 190 | (if creator |
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| 191 | (progn |
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| 192 | (setq sgb_speed (+ sgb_speed (/ (xvel) 2))) |
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| 193 | (link_object creator))) |
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| 194 | (sgun_ai) |
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| 195 | ))) |
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| 196 | |
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| 197 | ) |
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| 198 | ) |
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| 199 | |
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| 200 | |
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| 201 | (defun spray_fire () |
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| 202 | (fire_object (me) (aitype) |
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| 203 | (+ (x) (* (cos spray.angle) 20)) |
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| 204 | (- (- (y) 21) (* (sin spray.angle) 22)) |
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| 205 | spray.angle |
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| 206 | (bg))) |
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| 207 | |
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| 208 | |
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| 209 | (defun spray_gun_ai () |
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| 210 | (if (<= (hp) 0) |
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| 211 | nil |
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| 212 | (if (and (< (distx) 450) (< (disty) 400)) |
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| 213 | (progn |
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| 214 | (select (aistate) |
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| 215 | (0;; look at sensor |
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| 216 | (if (activated) |
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| 217 | (if (eq (state) stopped) |
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| 218 | (progn |
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| 219 | (set_targetable T) |
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| 220 | (set_state spray.appear) |
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| 221 | (go_state 1)) |
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| 222 | (go_state 3)) |
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| 223 | (progn |
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| 224 | (set_targetable nil) |
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| 225 | (set_state stopped)))) |
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| 226 | |
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| 227 | |
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| 228 | (1;; unfold |
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| 229 | (if (next_picture) T |
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| 230 | (progn (set_aistate 3) |
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| 231 | (set_state spray.aim) |
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| 232 | (setq spray.angle spray.start_angle) |
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| 233 | (set_frame_angle 0 359 spray.angle) |
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| 234 | ))) |
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| 235 | |
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| 236 | (2;; fold up |
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| 237 | (if (next_picture) T |
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| 238 | (progn (set_state stopped) |
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| 239 | (set_aistate 0)))) |
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| 240 | |
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| 241 | |
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| 242 | (3;; swivel down |
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| 243 | (if (> (state_time) spray.fire_delay) |
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| 244 | (progn |
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| 245 | (set_aistate 3);; reset state time |
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| 246 | (setq spray.angle (- spray.angle spray.angle_speed)) |
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| 247 | (if (<= spray.angle spray.start_angle) |
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| 248 | (progn |
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| 249 | (setq spray.angle spray.start_angle) |
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| 250 | (set_aistate 4))) |
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| 251 | (set_frame_angle 0 359 spray.angle) |
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| 252 | (spray_fire)))) |
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| 253 | |
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| 254 | (4;; swivel up |
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| 255 | (if (> (state_time) spray.fire_delay) |
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| 256 | (progn |
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| 257 | (set_aistate 4);; reset state time |
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| 258 | (setq spray.angle (+ spray.angle spray.angle_speed)) |
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| 259 | (if (>= spray.angle spray.end_angle) |
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| 260 | (progn |
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| 261 | (setq spray.angle spray.end_angle) |
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| 262 | (set_aistate 0))) |
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| 263 | (set_frame_angle 0 359 spray.angle) |
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| 264 | |
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| 265 | (spray_fire))))) |
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| 266 | T) |
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| 267 | (progn |
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| 268 | (set_state stopped) |
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| 269 | T)))) |
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| 270 | |
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| 271 | |
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| 272 | |
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| 273 | |
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| 274 | (defun spray_gun_cons () |
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| 275 | (setq spray.bullet_speed 20) |
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| 276 | (setq spray.angle_speed 10) |
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| 277 | (setq spray.start_angle 270) |
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| 278 | (setq spray.end_angle 350) |
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| 279 | (setq spray.fire_delay 4)) |
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| 280 | |
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| 281 | (def_char SPRAY_GUN |
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| 282 | (funs (ai_fun spray_gun_ai) |
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| 283 | (damage_fun guner_damage) |
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| 284 | (draw_fun gun_draw) |
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| 285 | (constructor spray_gun_cons)) |
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| 286 | |
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| 287 | (flags (can_block T) |
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| 288 | (hurtable T)) |
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| 289 | (abilities (start_hp 20) |
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| 290 | ) |
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| 291 | (vars spray.fire_delay |
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| 292 | spray.bullet_speed |
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| 293 | spray.start_angle |
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| 294 | spray.end_angle |
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| 295 | spray.angle_speed |
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| 296 | spray.angle) |
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| 297 | |
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| 298 | (fields ("hp" ai_health) |
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| 299 | ("aitype" ai_type) |
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| 300 | ("spray.fire_delay" spray_delay) |
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| 301 | ("spray.start_angle" spray_start) |
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| 302 | ("spray.end_angle" spray_end) |
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| 303 | ("spray.angle_speed" spray_speed) |
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| 304 | ("spray.angle" spray_cangle)) |
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| 305 | |
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| 306 | (states "art/gun2.spe" |
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| 307 | (stopped "stopped") |
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| 308 | (spray.aim (seq "cspn" 1 24)) |
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| 309 | (spray.appear '("csht0001.pcx" "csht0002.pcx")) |
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| 310 | (spray.disappear '("csht0002.pcx" "csht0001.pcx")) |
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| 311 | )) |
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| 312 | |
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| 313 | |
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| 314 | |
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| 315 | (def_char TRACK_GUN |
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| 316 | (vars |
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| 317 | fire_delay ; how long between each shot |
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| 318 | fire_delay_left |
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| 319 | track_speed ; how fast the gun can chage it's angle |
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| 320 | |
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| 321 | burst_total ; how many shots to fire with fire_delay in between each |
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| 322 | burst_total_left |
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| 323 | continue_time ; how much time to wait before continue tracking |
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| 324 | continue_time_left |
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| 325 | track_start_angle ; min angle gun will track |
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| 326 | track_end_angle ; max |
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| 327 | angle) |
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| 328 | |
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| 329 | |
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| 330 | (funs (ai_fun track_ai) |
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| 331 | (constructor track_cons) |
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| 332 | (draw_fun gun_draw) |
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| 333 | (damage_fun guner_damage)) |
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| 334 | |
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| 335 | (flags (can_block T) |
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| 336 | (hurtable T)) |
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| 337 | |
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| 338 | (abilities (start_hp 20)) |
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| 339 | |
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| 340 | (fields ("hp" ai_health) |
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| 341 | ("aitype" ai_type) |
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| 342 | ("track_speed" d_track_speed) |
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| 343 | ("fire_delay" track_fspeed) |
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| 344 | ("burst_total" track_burst) |
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| 345 | ("continue_time" track_cont) |
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| 346 | ("track_start_angle" track_sangle) |
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| 347 | ("track_end_angle" track_eangle) |
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| 348 | ("angle" track_cangle)) |
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| 349 | |
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| 350 | (states "art/gun2.spe" |
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| 351 | (stopped "stopped") |
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| 352 | (opening '("csht0001.pcx" "csht0002.pcx")) |
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| 353 | (shuting '("csht0002.pcx" "csht0001.pcx")) |
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| 354 | (spinning (seq "cspn" 1 24)) |
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| 355 | (firing (seq "cfr1" 1 24)))) |
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| 356 | |
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| 357 | (defun track_cons () |
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| 358 | (setq angle 270) |
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| 359 | (setq track_speed 1) |
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| 360 | (setq fire_delay 5) |
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| 361 | (setq burst_total 3) |
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| 362 | (setq continue_time 8) |
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| 363 | (setq track_start_angle 180) |
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| 364 | (setq track_end_angle 359)) |
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| 365 | |
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| 366 | (defun track_fire () |
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| 367 | (fire_object (me) (aitype) |
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| 368 | (+ (x) (* (cos angle) 18)) |
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| 369 | (- (- (y) 15) (* (sin angle) 15)) |
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| 370 | (mod (+ angle (- 2 (random 5))) 360) |
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| 371 | (bg)) |
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| 372 | (if (or (eq burst_total_left 0) (eq burst_total_left 1)) |
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| 373 | (setq continue_time_left continue_time) |
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| 374 | (progn |
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| 375 | (setq burst_total_left (- burst_total_left 1)) |
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| 376 | (setq fire_delay_left fire_delay))) |
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| 377 | |
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| 378 | |
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| 379 | (set_state firing) |
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| 380 | (set_frame_angle 0 359 angle)) |
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| 381 | |
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| 382 | (defun track_set_angle (new_angle) |
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| 383 | (if (> track_start_angle track_end_angle) |
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| 384 | (if (and (>= new_angle track_end_angle) (<= new_angle track_start_angle)) |
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| 385 | (setq angle new_angle)) |
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| 386 | (if (and (<= new_angle track_end_angle) (>= new_angle track_start_angle)) |
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| 387 | (setq angle new_angle)))) |
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| 388 | |
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| 389 | (defun track_ai () |
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| 390 | (if (eq (hp) 0) ;; are we dead? |
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| 391 | nil |
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| 392 | (if (activated) ;; see if we should be on |
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| 393 | (if (eq (state) stopped) |
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| 394 | (progn |
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| 395 | (set_targetable T) |
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| 396 | (set_state opening) |
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| 397 | T) |
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| 398 | (if (and (eq (state) opening) (next_picture)) |
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| 399 | T |
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| 400 | (progn |
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| 401 | (set_state spinning) |
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| 402 | (set_frame_angle 0 359 angle) |
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| 403 | |
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| 404 | (if (eq continue_time_left 0);; do we need to wait? |
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| 405 | (if (eq fire_delay_left 0) |
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| 406 | ;; get the angle to the player |
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| 407 | (let ((pangle (atan2 (- (- (y) (with_object (bg) (y))) -8) |
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| 408 | (- (with_object (bg) (x)) (x) )))) |
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| 409 | (let ((clock_dist (if (< pangle angle);; calculate clockwise angle distance |
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| 410 | (- angle pangle) |
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| 411 | (+ angle (- 360 pangle))))) |
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| 412 | (let ((closest_dist (if (> clock_dist 180) |
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| 413 | (- 360 clock_dist) |
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| 414 | clock_dist))) |
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| 415 | (let ((angle_add (if (>= closest_dist track_speed) |
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| 416 | track_speed |
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| 417 | closest_dist))) |
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| 418 | (if (> clock_dist 180);; should we steer clowck wise or counter? |
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| 419 | (track_set_angle (mod (+ angle angle_add) 360)) |
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| 420 | (track_set_angle (mod (+ (- angle angle_add) 360) 360))) |
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| 421 | (if (< angle_add 5);; pretty close to target, FIRE! |
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| 422 | (track_fire)))))) |
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| 423 | (setq fire_delay_left (- fire_delay_left 1))) |
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| 424 | (progn |
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| 425 | (setq continue_time_left (- continue_time_left 1)) |
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| 426 | (if (eq continue_time_left 0) |
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| 427 | (setq burst_total_left burst_total)))) |
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| 428 | T))) |
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| 429 | (progn |
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| 430 | (set_targetable nil) |
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| 431 | (set_state stopped) |
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| 432 | T)))) |
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| 433 | |
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| 434 | |
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| 435 | |
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| 436 | |
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| 437 | |
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