3 // SuperTux - Badguy "Snail"
4 // Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "object/block.hpp"
26 const float WALKSPEED = 80;
27 const float KICKSPEED = 500;
28 const int MAXSQUISHES = 10;
29 const float KICKSPEED_Y = -500; /**< y-velocity gained when kicked */
32 Snail::Snail(const lisp::Lisp& reader)
33 : BadGuy(reader, "images/creatures/snail/snail.sprite"), state(STATE_NORMAL), squishcount(0)
35 reader.get("direction", direction);
36 set_direction = false;
37 if( direction != "auto" && direction != ""){
39 initial_direction = str2dir( direction );
41 sound_manager->preload("sounds/iceblock_bump.wav");
42 sound_manager->preload("sounds/stomp.wav");
43 sound_manager->preload("sounds/kick.wav");
46 Snail::Snail(const Vector& pos, Direction d)
47 : BadGuy(pos, "images/creatures/snail/snail.sprite"), state(STATE_NORMAL), squishcount(0)
50 initial_direction = d;
51 sound_manager->preload("sounds/iceblock_bump.wav");
52 sound_manager->preload("sounds/stomp.wav");
53 sound_manager->preload("sounds/kick.wav");
57 Snail::write(lisp::Writer& writer)
59 writer.start_list("snail");
61 writer.write_string("direction", direction);
62 writer.write_float("x", start_position.x);
63 writer.write_float("y", start_position.y);
65 writer.end_list("snail");
71 if (set_direction) {dir = initial_direction;}
80 sprite->set_action(dir == LEFT ? "left" : "right");
82 physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
89 sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
92 physic.set_velocity_x(0);
93 physic.set_velocity_y(0);
101 state = STATE_KICKED_DELAY;
102 sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
105 physic.set_velocity_x(0);
106 physic.set_velocity_y(0);
108 // start a timer to delay addition of upward movement until we are (hopefully) out from under the player
109 kicked_delay_timer.start(0.05);
114 Snail::active_update(float elapsed_time)
119 if (might_fall(601)) {
120 dir = (dir == LEFT ? RIGHT : LEFT);
121 sprite->set_action(dir == LEFT ? "left" : "right");
122 physic.set_velocity_x(-physic.get_velocity_x());
127 if (flat_timer.started()) {
128 sprite->set_fps(64 - 15 * flat_timer.get_timegone());
130 if (flat_timer.check()) {
135 case STATE_KICKED_DELAY:
136 if (kicked_delay_timer.check()) {
137 physic.set_velocity_x(dir == LEFT ? -KICKSPEED : KICKSPEED);
138 physic.set_velocity_y(KICKSPEED_Y);
139 state = STATE_KICKED;
144 physic.set_velocity_x(physic.get_velocity_x() * pow(0.99, elapsed_time/0.02));
145 if (fabsf(physic.get_velocity_x()) < WALKSPEED) be_normal();
149 BadGuy::active_update(elapsed_time);
153 Snail::collision_solid(GameObject& object, const CollisionHit& hit)
155 if(fabsf(hit.normal.y) > .5) { // floor or roof
156 physic.set_velocity_y(0);
161 case STATE_KICKED_DELAY:
173 dir = dir == LEFT ? RIGHT : LEFT;
174 sprite->set_action(dir == LEFT ? "left" : "right");
175 physic.set_velocity_x(-physic.get_velocity_x());
179 case STATE_KICKED_DELAY:
180 physic.set_velocity_x(0);
184 sound_manager->play("sounds/iceblock_bump.wav", get_pos());
186 // open bonusblocks, crash bricks
187 BonusBlock* bonusblock = dynamic_cast<BonusBlock*> (&object);
189 bonusblock->try_open();
191 Brick* brick = dynamic_cast<Brick*> (&object);
196 dir = (dir == LEFT) ? RIGHT : LEFT;
197 sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
199 physic.set_velocity_x(-physic.get_velocity_x()*0.75);
200 if (fabsf(physic.get_velocity_x()) < WALKSPEED) be_normal();
210 Snail::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
214 if(fabsf(hit.normal.x) > .5) {
215 dir = (dir == LEFT) ? RIGHT : LEFT;
216 sprite->set_action(dir == LEFT ? "left" : "right");
217 physic.set_velocity_x(-physic.get_velocity_x());
221 case STATE_KICKED_DELAY:
234 Snail::collision_squished(Player& player)
241 if(squishcount >= MAXSQUISHES) {
246 sound_manager->play("sounds/stomp.wav", get_pos());
251 sound_manager->play("sounds/kick.wav", get_pos());
253 if(player.get_pos().x < get_pos().x) {
261 case STATE_KICKED_DELAY:
266 player.bounce(*this);
270 IMPLEMENT_FACTORY(Snail, "snail")