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
25 #include "object/camera.h"
26 #include "yeti_stalactite.h"
27 #include "bouncing_snowball.h"
28 #include "game_session.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");
46 sprite->set_action("right");
49 sound_manager->preload_sound("yeti_gna");
50 sound_manager->preload_sound("yeti_roar");
51 hit_points = INITIAL_HITPOINTS;
52 reader.get("dead-script", dead_script);
61 Yeti::draw(DrawingContext& context)
63 // we blink when we are safe
64 if(safe_timer.started() && size_t(global_time*40)%2)
67 BadGuy::draw(context);
71 Yeti::active_update(float elapsed_time)
77 physic.set_velocity_x(RUN_SPEED);
79 physic.set_velocity_y(JUMP_VEL2);
82 physic.set_velocity_x(-RUN_SPEED);
84 physic.set_velocity_y(JUMP_VEL2);
89 sound_manager->play_sound("yeti_gna");
90 physic.set_velocity_y(JUMP_VEL1);
97 movement = physic.get_movement(elapsed_time);
103 // jump and move right
104 physic.set_velocity_y(JUMP_VEL1);
105 physic.set_velocity_x(RUN_SPEED);
107 timer.start(JUMP_TIME);
113 physic.set_velocity_y(JUMP_VEL1);
114 physic.set_velocity_x(-RUN_SPEED);
116 timer.start(JUMP_TIME);
120 Yeti::angry_jumping()
123 timer.start(ANGRY_JUMP_WAIT);
124 state = ANGRY_JUMPING;
125 physic.set_velocity_x(0);
129 Yeti::summon_snowball()
131 Sector::current()->add_object(new BouncingSnowball(get_pos().x+(side == LEFT ? 64 : -64), get_pos().y, (side == LEFT ? RIGHT : LEFT)));
135 Yeti::collision_squished(Player& player)
137 if(safe_timer.started())
140 player.bounce(*this);
141 sound_manager->play_sound("yeti_roar");
143 if(hit_points <= 0) {
144 sprite->set_action("dead");
145 kill_squished(player);
148 if(dead_script != "") {
150 ScriptInterpreter* interpreter
151 = new ScriptInterpreter(GameSession::current()->get_working_directory());
152 interpreter->register_sector(Sector::current());
153 std::istringstream in(dead_script);
154 interpreter->load_script(in, "Yeti - dead-script");
155 interpreter->start_script();
156 Sector::current()->add_object(interpreter);
157 } catch(std::exception& e) {
158 std::cerr << "Couldn't execute yeti dead script: " << e.what() << "\n";
162 safe_timer.start(SAFE_TIME);
171 // shooting bullets or being invincible won't work :)
175 Yeti::write(lisp::Writer& )
180 Yeti::drop_stalactite()
182 YetiStalactite* nearest = 0;
183 float dist = FLT_MAX;
185 Sector* sector = Sector::current();
186 for(Sector::GameObjects::iterator i = sector->gameobjects.begin();
187 i != sector->gameobjects.end(); ++i) {
188 YetiStalactite* stalactite = dynamic_cast<YetiStalactite*> (*i);
189 if(stalactite && stalactite->is_hanging()) {
191 = fabsf(stalactite->get_pos().x - sector->player->get_pos().x);
193 nearest = stalactite;
200 nearest->start_shaking();
204 Yeti::collision_solid(GameObject& , const CollisionHit& hit)
206 if(fabsf(hit.normal.y) > .5) { // hit floor or roof?
207 physic.set_velocity_y(0);
210 } else if(state == GO_LEFT && !timer.started()) {
213 sprite->set_action("right");
215 } else if(state == GO_RIGHT && !timer.started()) {
218 sprite->set_action("left");
220 } else if(state == ANGRY_JUMPING) {
221 if(!timer.started()) {
224 // make a stalactite falling down and shake camera a bit
225 Sector::current()->camera->shake(.1, 0, 10);
228 // go to other side after 3 jumps
236 timer.start(ANGRY_JUMP_WAIT);
245 IMPLEMENT_FACTORY(Yeti, "yeti")