4 // Copyright (C) 2005 Matthias Braun <matze@braunis.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
26 #include "object/camera.h"
27 #include "yeti_stalactite.h"
28 #include "bouncing_snowball.h"
29 #include "scripting/script_interpreter.h"
31 static const float JUMP_VEL1 = 250;
32 static const float JUMP_VEL2 = 700;
33 static const float RUN_SPEED = 350;
34 static const float JUMP_TIME = 1.6;
35 static const float ANGRY_JUMP_WAIT = .5;
36 /// the time we are safe when tux just hit us
37 static const float SAFE_TIME = .5;
38 static const int INITIAL_HITPOINTS = 3;
40 Yeti::Yeti(const lisp::Lisp& reader)
42 reader.get("x", start_position.x);
43 reader.get("y", start_position.y);
44 bbox.set_size(80, 120);
45 sprite = sprite_manager->create("yeti");
48 sound_manager->preload_sound("yeti_gna");
49 sound_manager->preload_sound("yeti_roar");
50 hit_points = INITIAL_HITPOINTS;
51 reader.get("dead-script", dead_script);
59 Yeti::draw(DrawingContext& context)
61 // we blink when we are safe
62 if(safe_timer.started() && size_t(global_time*40)%2)
65 BadGuy::draw(context);
69 Yeti::active_action(float elapsed_time)
75 physic.set_velocity_x(RUN_SPEED);
77 physic.set_velocity_y(JUMP_VEL2);
80 physic.set_velocity_x(-RUN_SPEED);
82 physic.set_velocity_y(JUMP_VEL2);
87 sound_manager->play_sound("yeti_gna");
88 physic.set_velocity_y(JUMP_VEL1);
95 movement = physic.get_movement(elapsed_time);
101 // jump and move right
102 physic.set_velocity_y(JUMP_VEL1);
103 physic.set_velocity_x(RUN_SPEED);
105 timer.start(JUMP_TIME);
111 physic.set_velocity_y(JUMP_VEL1);
112 physic.set_velocity_x(-RUN_SPEED);
114 timer.start(JUMP_TIME);
118 Yeti::angry_jumping()
121 timer.start(ANGRY_JUMP_WAIT);
122 state = ANGRY_JUMPING;
123 physic.set_velocity_x(0);
127 Yeti::summon_snowball()
129 Sector::current()->add_object(new BouncingSnowball(get_pos().x+(side == LEFT ? 64 : -64), get_pos().y, (side == LEFT ? RIGHT : LEFT)));
133 Yeti::collision_squished(Player& player)
135 if(safe_timer.started())
138 player.bounce(*this);
139 sound_manager->play_sound("yeti_roar");
141 if(hit_points <= 0) {
142 sprite->set_action("dead");
143 kill_squished(player);
146 if(dead_script != "") {
148 ScriptInterpreter* interpreter
149 = new ScriptInterpreter(Sector::current());
150 std::istringstream in(dead_script);
151 interpreter->load_script(in, "Yeti - dead-script");
152 interpreter->start_script();
153 Sector::current()->add_object(interpreter);
154 } catch(std::exception& e) {
155 std::cerr << "Couldn't execute yeti dead script: " << e.what() << "\n";
159 safe_timer.start(SAFE_TIME);
168 // shooting bullets or being invincible won't work :)
172 Yeti::write(lisp::Writer& )
177 Yeti::drop_stalactite()
179 YetiStalactite* nearest = 0;
180 float dist = FLT_MAX;
182 Sector* sector = Sector::current();
183 for(Sector::GameObjects::iterator i = sector->gameobjects.begin();
184 i != sector->gameobjects.end(); ++i) {
185 YetiStalactite* stalactite = dynamic_cast<YetiStalactite*> (*i);
186 if(stalactite && stalactite->is_hanging()) {
188 = fabsf(stalactite->get_pos().x - sector->player->get_pos().x);
190 nearest = stalactite;
197 nearest->start_shaking();
201 Yeti::collision_solid(GameObject& , const CollisionHit& hit)
203 if(fabsf(hit.normal.y) > .5) { // hit floor or roof?
204 physic.set_velocity_y(0);
207 } else if(state == GO_LEFT && !timer.started()) {
211 } else if(state == GO_RIGHT && !timer.started()) {
215 } else if(state == ANGRY_JUMPING) {
216 if(!timer.started()) {
219 // make a stalactite falling down and shake camera a bit
220 Sector::current()->camera->shake(.1, 0, 10);
223 // go to other side after 3 jumps
231 timer.start(ANGRY_JUMP_WAIT);
240 IMPLEMENT_FACTORY(Yeti, "yeti")