4 // Copyright (C) 2006 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 02111-1307, USA.
22 #include "object/camera.hpp"
23 #include "object/tilemap.hpp"
25 #include "statistics.hpp"
26 #include "game_session.hpp"
29 #include "object/bullet.hpp"
32 static const float SQUISH_TIME = 2;
33 static const float X_OFFSCREEN_DISTANCE = 1600;
34 static const float Y_OFFSCREEN_DISTANCE = 1200;
36 BadGuy::BadGuy(const Vector& pos, const std::string& sprite_name, int layer)
37 : MovingSprite(pos, sprite_name, layer, COLGROUP_DISABLED), countMe(true), dir(LEFT), start_dir(AUTO), state(STATE_INIT), on_ground_flag(false)
39 start_position = bbox.p1;
41 sound_manager->preload("sounds/squish.wav");
42 sound_manager->preload("sounds/fall.wav");
45 BadGuy::BadGuy(const Vector& pos, Direction direction, const std::string& sprite_name, int layer)
46 : MovingSprite(pos, sprite_name, layer, COLGROUP_DISABLED), countMe(true), dir(direction), start_dir(direction), state(STATE_INIT), on_ground_flag(false)
48 start_position = bbox.p1;
50 sound_manager->preload("sounds/squish.wav");
51 sound_manager->preload("sounds/fall.wav");
54 BadGuy::BadGuy(const lisp::Lisp& reader, const std::string& sprite_name, int layer)
55 : MovingSprite(reader, sprite_name, layer, COLGROUP_DISABLED), countMe(true), dir(LEFT), start_dir(AUTO), state(STATE_INIT), on_ground_flag(false)
57 start_position = bbox.p1;
59 std::string dir_str = "auto";
60 reader.get("direction", dir_str);
61 start_dir = str2dir( dir_str );
64 sound_manager->preload("sounds/squish.wav");
65 sound_manager->preload("sounds/fall.wav");
69 BadGuy::draw(DrawingContext& context)
73 if(state == STATE_INIT || state == STATE_INACTIVE)
75 if(state == STATE_FALLING) {
76 DrawingEffect old_effect = context.get_drawing_effect();
77 context.set_drawing_effect((DrawingEffect) (old_effect | VERTICAL_FLIP));
78 sprite->draw(context, get_pos(), layer);
79 context.set_drawing_effect(old_effect);
81 sprite->draw(context, get_pos(), layer);
86 BadGuy::update(float elapsed_time)
88 if(!Sector::current()->inside(bbox)) {
93 if (state == STATE_ACTIVE) deactivate();
94 set_state(STATE_INACTIVE);
99 active_update(elapsed_time);
103 inactive_update(elapsed_time);
107 if(state_timer.check()) {
111 movement = physic.get_movement(elapsed_time);
114 movement = physic.get_movement(elapsed_time);
118 on_ground_flag = false;
122 BadGuy::str2dir( std::string dir_str )
124 if( dir_str == "auto" )
126 if( dir_str == "left" )
128 if( dir_str == "right" )
132 log_warning << "Badguy::str2dir: unknown direction \"" << dir_str << "\"" << std::endl;;
147 BadGuy::save(lisp::Writer& )
149 log_warning << "tried to write out a generic badguy" << std::endl;
153 BadGuy::active_update(float elapsed_time)
155 movement = physic.get_movement(elapsed_time);
159 BadGuy::inactive_update(float )
164 BadGuy::collision_tile(uint32_t tile_attributes)
166 if(tile_attributes & Tile::HURTS)
171 BadGuy::collision(GameObject& other, const CollisionHit& hit)
178 BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
179 if(badguy && badguy->state == STATE_ACTIVE && badguy->get_group() == COLGROUP_MOVING)
180 return collision_badguy(*badguy, hit);
182 Player* player = dynamic_cast<Player*> (&other);
184 return collision_player(*player, hit);
186 Bullet* bullet = dynamic_cast<Bullet*> (&other);
188 return collision_bullet(*bullet, hit);
202 BadGuy::collision_solid(const CollisionHit& hit)
204 update_on_ground_flag(hit);
208 BadGuy::collision_player(Player& player, const CollisionHit& )
211 if(player.get_bbox().p2.y < (bbox.p1.y + 16)) {
212 // if it's not possible to squish us, then this will hurt
213 if(collision_squished(player)) {
218 if(player.is_invincible()) {
228 BadGuy::collision_badguy(BadGuy& , const CollisionHit& )
234 BadGuy::collision_squished(Player& )
240 BadGuy::collision_bullet(Bullet& , const CollisionHit& )
247 BadGuy::kill_squished(Player& player)
249 sound_manager->play("sounds/squish.wav", get_pos());
250 physic.enable_gravity(true);
251 physic.set_velocity_x(0);
252 physic.set_velocity_y(0);
253 set_state(STATE_SQUISHED);
254 set_group(COLGROUP_MOVING_ONLY_STATIC);
255 if (countMe) Sector::current()->get_level()->stats.badguys++;
256 player.bounce(*this);
262 sound_manager->play("sounds/fall.wav", get_pos());
263 if (countMe) Sector::current()->get_level()->stats.badguys++;
264 physic.set_velocity_y(0);
265 physic.enable_gravity(true);
266 set_state(STATE_FALLING);
270 BadGuy::set_state(State state)
272 if(this->state == state)
275 State laststate = this->state;
279 state_timer.start(SQUISH_TIME);
282 set_group(COLGROUP_MOVING);
283 bbox.set_pos(start_position);
286 // was the badguy dead anyway?
287 if(laststate == STATE_SQUISHED || laststate == STATE_FALLING) {
290 set_group(COLGROUP_DISABLED);
293 set_group(COLGROUP_DISABLED);
301 BadGuy::is_offscreen()
303 float scroll_x = Sector::current()->camera->get_translation().x;
304 float scroll_y = Sector::current()->camera->get_translation().y;
306 if(bbox.p2.x < scroll_x - X_OFFSCREEN_DISTANCE
307 || bbox.p1.x > scroll_x + X_OFFSCREEN_DISTANCE
308 || bbox.p2.y < scroll_y - Y_OFFSCREEN_DISTANCE
309 || bbox.p1.y > scroll_y + Y_OFFSCREEN_DISTANCE)
316 BadGuy::try_activate()
318 float scroll_x = Sector::current()->camera->get_translation().x;
319 float scroll_y = Sector::current()->camera->get_translation().y;
321 /* Activate badguys if they're just around the screen to avoid
322 * the effect of having badguys suddenly popping up from nowhere.
324 //Badguy left of screen
325 if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
326 start_position.x < scroll_x - bbox.get_width() &&
327 start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
328 start_position.y < scroll_y + Y_OFFSCREEN_DISTANCE) {
329 if (start_dir != AUTO) dir = start_dir; else dir = RIGHT;
330 set_state(STATE_ACTIVE);
332 //Badguy right of screen
333 } else if (start_position.x > scroll_x + SCREEN_WIDTH &&
334 start_position.x < scroll_x + SCREEN_WIDTH + X_OFFSCREEN_DISTANCE &&
335 start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
336 start_position.y < scroll_y + Y_OFFSCREEN_DISTANCE) {
337 if (start_dir != AUTO) dir = start_dir; else dir = LEFT;
338 set_state(STATE_ACTIVE);
340 //Badguy over or under screen
341 } else if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
342 start_position.x < scroll_x + X_OFFSCREEN_DISTANCE &&
343 ((start_position.y > scroll_y + SCREEN_HEIGHT &&
344 start_position.y < scroll_y + SCREEN_HEIGHT + Y_OFFSCREEN_DISTANCE) ||
345 (start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
346 start_position.y < scroll_y - bbox.get_height() ))) {
347 if (start_dir != AUTO) dir = start_dir;
349 // if nearest player is to our right, start facing right
350 Player* player = get_nearest_player();
351 if (player && (player->get_bbox().p1.x > get_bbox().p2.x)) {
357 set_state(STATE_ACTIVE);
359 } else if(state == STATE_INIT
360 && start_position.x > scroll_x - X_OFFSCREEN_DISTANCE
361 && start_position.x < scroll_x + X_OFFSCREEN_DISTANCE
362 && start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE
363 && start_position.y < scroll_y + Y_OFFSCREEN_DISTANCE) {
364 if (start_dir != AUTO) {
367 // if nearest player is to our right, start facing right
368 Player* player = get_nearest_player();
369 if (player && (player->get_bbox().p1.x > get_bbox().p2.x)) {
375 set_state(STATE_ACTIVE);
381 BadGuy::might_fall(int height)
383 // make sure we check for at least a 1-pixel fall
388 float y1 = bbox.p2.y + 1;
389 float y2 = bbox.p2.y + 1 + height;
397 return Sector::current()->is_free_space(Rect(x1, y1, x2, y2));
401 BadGuy::get_nearest_player()
403 // FIXME: does not really return nearest player
405 std::vector<Player*> players = Sector::current()->get_players();
406 for (std::vector<Player*>::iterator playerIter = players.begin(); playerIter != players.end(); ++playerIter) {
407 Player* player = *playerIter;
415 BadGuy::update_on_ground_flag(const CollisionHit& hit)
417 if (hit.bottom) on_ground_flag = true;
423 return on_ground_flag;