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);
60 Yeti::draw(DrawingContext& context)
62 // we blink when we are safe
63 if(safe_timer.started() && size_t(global_time*40)%2)
66 BadGuy::draw(context);
70 Yeti::active_update(float elapsed_time)
76 physic.set_velocity_x(RUN_SPEED);
78 physic.set_velocity_y(JUMP_VEL2);
81 physic.set_velocity_x(-RUN_SPEED);
83 physic.set_velocity_y(JUMP_VEL2);
88 sound_manager->play_sound("yeti_gna");
89 physic.set_velocity_y(JUMP_VEL1);
96 movement = physic.get_movement(elapsed_time);
102 // jump and move right
103 physic.set_velocity_y(JUMP_VEL1);
104 physic.set_velocity_x(RUN_SPEED);
106 timer.start(JUMP_TIME);
112 physic.set_velocity_y(JUMP_VEL1);
113 physic.set_velocity_x(-RUN_SPEED);
115 timer.start(JUMP_TIME);
119 Yeti::angry_jumping()
122 timer.start(ANGRY_JUMP_WAIT);
123 state = ANGRY_JUMPING;
124 physic.set_velocity_x(0);
128 Yeti::summon_snowball()
130 Sector::current()->add_object(new BouncingSnowball(get_pos().x+(side == LEFT ? 64 : -64), get_pos().y, (side == LEFT ? RIGHT : LEFT)));
134 Yeti::collision_squished(Player& player)
136 if(safe_timer.started())
139 player.bounce(*this);
140 sound_manager->play_sound("yeti_roar");
142 if(hit_points <= 0) {
143 sprite->set_action("dead");
144 kill_squished(player);
147 if(dead_script != "") {
149 ScriptInterpreter* interpreter
150 = new ScriptInterpreter(GameSession::current()->get_working_directory());
151 interpreter->register_sector(Sector::current());
152 std::istringstream in(dead_script);
153 interpreter->load_script(in, "Yeti - dead-script");
154 interpreter->start_script();
155 Sector::current()->add_object(interpreter);
156 } catch(std::exception& e) {
157 std::cerr << "Couldn't execute yeti dead script: " << e.what() << "\n";
161 safe_timer.start(SAFE_TIME);
170 // shooting bullets or being invincible won't work :)
174 Yeti::write(lisp::Writer& )
179 Yeti::drop_stalactite()
181 YetiStalactite* nearest = 0;
182 float dist = FLT_MAX;
184 Sector* sector = Sector::current();
185 for(Sector::GameObjects::iterator i = sector->gameobjects.begin();
186 i != sector->gameobjects.end(); ++i) {
187 YetiStalactite* stalactite = dynamic_cast<YetiStalactite*> (*i);
188 if(stalactite && stalactite->is_hanging()) {
190 = fabsf(stalactite->get_pos().x - sector->player->get_pos().x);
192 nearest = stalactite;
199 nearest->start_shaking();
203 Yeti::collision_solid(GameObject& , const CollisionHit& hit)
205 if(fabsf(hit.normal.y) > .5) { // hit floor or roof?
206 physic.set_velocity_y(0);
209 } else if(state == GO_LEFT && !timer.started()) {
212 sprite->set_action("right");
214 } else if(state == GO_RIGHT && !timer.started()) {
217 sprite->set_action("left");
219 } else if(state == ANGRY_JUMPING) {
220 if(!timer.started()) {
223 // make a stalactite falling down and shake camera a bit
224 Sector::current()->camera->shake(.1, 0, 10);
227 // go to other side after 3 jumps
235 timer.start(ANGRY_JUMP_WAIT);
244 IMPLEMENT_FACTORY(Yeti, "yeti")