src/badguy/ghosttree.cpp

Go to the documentation of this file.
00001 //  SuperTux - Boss "GhostTree"
00002 //  Copyright (C) 2007 Matthias Braun <matze@braunis.de>
00003 //
00004 //  This program is free software: you can redistribute it and/or modify
00005 //  it under the terms of the GNU General Public License as published by
00006 //  the Free Software Foundation, either version 3 of the License, or
00007 //  (at your option) any later version.
00008 //
00009 //  This program is distributed in the hope that it will be useful,
00010 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 //  GNU General Public License for more details.
00013 //
00014 //  You should have received a copy of the GNU General Public License
00015 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016 
00017 #include "badguy/ghosttree.hpp"
00018 
00019 #include "audio/sound_manager.hpp"
00020 #include "badguy/root.hpp"
00021 #include "badguy/treewillowisp.hpp"
00022 #include "math/random_generator.hpp"
00023 #include "object/lantern.hpp"
00024 #include "object/player.hpp"
00025 #include "sprite/sprite.hpp"
00026 #include "sprite/sprite_manager.hpp"
00027 #include "supertux/object_factory.hpp"
00028 #include "supertux/sector.hpp"
00029 
00030 #include <algorithm>
00031 #include <math.h>
00032 
00033 static const size_t WILLOWISP_COUNT = 10;
00034 static const float ROOT_TOP_OFFSET = 64;
00035 static const float WILLOWISP_TOP_OFFSET = -64;
00036 static const Vector SUCK_TARGET_OFFSET = Vector(-16,-16);
00037 static const float SUCK_TARGET_SPREAD = 8;
00038 
00039 GhostTree::GhostTree(const Reader& lisp) :
00040   BadGuy(lisp, "images/creatures/ghosttree/ghosttree.sprite", LAYER_OBJECTS - 10), 
00041   mystate(STATE_IDLE),
00042   willowisp_timer(),
00043   willo_spawn_y(0),
00044   willo_radius(200), 
00045   willo_speed(1.8f), 
00046   willo_color(0),
00047   glow_sprite(),
00048   colorchange_timer(),
00049   suck_timer(),
00050   root_timer(),
00051   treecolor(0), 
00052   suck_lantern_color(),
00053   suck_lantern(0),
00054   willowisps()
00055 {
00056   glow_sprite = sprite_manager->create("images/creatures/ghosttree/ghosttree-glow.sprite");
00057   set_colgroup_active(COLGROUP_TOUCHABLE);
00058   sound_manager->preload("sounds/tree_howling.ogg");
00059   sound_manager->preload("sounds/tree_suck.ogg");
00060 }
00061 
00062 GhostTree::~GhostTree()
00063 {
00064 }
00065 
00066 void
00067 GhostTree::die()
00068 {
00069   mystate = STATE_DYING;
00070   sprite->set_action("dying", 1); 
00071   glow_sprite->set_action("dying", 1); 
00072 
00073   std::vector<TreeWillOWisp*>::iterator iter;
00074   for(iter = willowisps.begin(); iter != willowisps.end(); ++iter) {
00075     TreeWillOWisp *willo = *iter;
00076     willo->vanish();
00077   }
00078 }
00079 
00080 void
00081 GhostTree::activate()
00082 {
00083   willowisp_timer.start(1.0f, true);
00084   colorchange_timer.start(13, true);
00085   root_timer.start(5, true);
00086 }
00087 
00088 void
00089 GhostTree::active_update(float elapsed_time)
00090 {
00091   (void) elapsed_time;
00092 
00093   if (mystate == STATE_IDLE) {
00094     if(colorchange_timer.check()) {
00095       sound_manager->play("sounds/tree_howling.ogg", get_pos());
00096       suck_timer.start(3);
00097       treecolor = (treecolor + 1) % 3;
00098 
00099       Color col;
00100       switch(treecolor) {
00101         case 0: col = Color(1, 0, 0); break;
00102         case 1: col = Color(0, 1, 0); break;
00103         case 2: col = Color(0, 0, 1); break;
00104         case 3: col = Color(1, 1, 0); break;
00105         case 4: col = Color(1, 0, 1); break;
00106         case 5: col = Color(0, 1, 1); break;
00107         default: assert(false);
00108       }
00109       glow_sprite->set_color(col);
00110     }
00111 
00112     if(suck_timer.check()) {
00113       Color col = glow_sprite->get_color();
00114       sound_manager->play("sounds/tree_suck.ogg", get_pos());
00115       std::vector<TreeWillOWisp*>::iterator iter;
00116       for(iter = willowisps.begin(); iter != willowisps.end(); ++iter) {
00117         TreeWillOWisp *willo = *iter;
00118         if(willo->get_color() == col) {
00119           willo->start_sucking(get_bbox().get_middle() + SUCK_TARGET_OFFSET + Vector(gameRandom.randf(-SUCK_TARGET_SPREAD, SUCK_TARGET_SPREAD), gameRandom.randf(-SUCK_TARGET_SPREAD, SUCK_TARGET_SPREAD)));
00120         }
00121       }
00122       mystate = STATE_SUCKING;
00123     }
00124 
00125     if(willowisp_timer.check()) {
00126       if(willowisps.size() < WILLOWISP_COUNT) {
00127         Vector pos = Vector(bbox.get_width() / 2, bbox.get_height() / 2 + willo_spawn_y + WILLOWISP_TOP_OFFSET);
00128         TreeWillOWisp *willowisp 
00129           = new TreeWillOWisp(this, pos, 200 + willo_radius, willo_speed);
00130 
00131         Sector::current()->add_object(willowisp);
00132         willowisps.push_back(willowisp);
00133 
00134         willo_spawn_y -= 40;
00135         if(willo_spawn_y < -160)
00136           willo_spawn_y = 0;
00137 
00138         willo_radius += 20;
00139         if(willo_radius > 120)
00140           willo_radius = 0;
00141 
00142         if(willo_speed == 1.8f) {
00143           willo_speed = 1.5f;
00144         } else {
00145           willo_speed = 1.8f;
00146         }
00147 
00148         do {
00149           willo_color = (willo_color + 1) % 3;
00150         } while(willo_color == treecolor);
00151 
00152         switch(willo_color) {
00153           case 0: willowisp->set_color(Color(1, 0, 0)); break;
00154           case 1: willowisp->set_color(Color(0, 1, 0)); break;
00155           case 2: willowisp->set_color(Color(0, 0, 1)); break;
00156           case 3: willowisp->set_color(Color(1, 1, 0)); break;
00157           case 4: willowisp->set_color(Color(1, 0, 1)); break;
00158           case 5: willowisp->set_color(Color(0, 1, 1)); break;
00159           default: assert(false);
00160         }
00161       }
00162     }
00163 
00164     if(root_timer.check()) {
00165       /* TODO indicate root with an animation */
00166       Player* player = get_nearest_player();
00167       if (player) {
00168         Root* root = new Root(Vector(player->get_bbox().get_left(), get_bbox().get_bottom()+ROOT_TOP_OFFSET));
00169         Sector::current()->add_object(root);
00170       }
00171     }
00172   } else if (mystate == STATE_SWALLOWING) {
00173     if (suck_lantern) {
00174       // suck in lantern
00175       assert (suck_lantern);
00176       Vector pos = suck_lantern->get_pos();
00177       Vector delta = get_bbox().get_middle() + SUCK_TARGET_OFFSET - pos;
00178       Vector dir = delta.unit();
00179       if (delta.norm() < 1) {
00180         dir = delta;
00181         suck_lantern->ungrab(*this, RIGHT);
00182         suck_lantern->remove_me();
00183         suck_lantern = 0;
00184         sprite->set_action("swallow", 1); 
00185       } else {
00186         pos += dir;
00187         suck_lantern->grab(*this, pos, RIGHT);
00188       }
00189     } else {
00190       // wait until lantern is swallowed
00191       if (sprite->animation_done()) {
00192         if (is_color_deadly(suck_lantern_color)) {
00193           die();
00194         } else {
00195           sprite->set_action("default");
00196           mystate = STATE_IDLE;
00197           spawn_lantern();
00198         }
00199       }
00200     }
00201   }
00202 }
00203 
00204 bool 
00205 GhostTree::is_color_deadly(Color color) const {
00206   if (color == Color(0,0,0)) return false;
00207   Color my_color = glow_sprite->get_color();
00208   return ((my_color.red != color.red) || (my_color.green != color.green) || (my_color.blue != color.blue));
00209 }
00210 
00211 void
00212 GhostTree::willowisp_died(TreeWillOWisp *willowisp)
00213 {
00214   if ((mystate == STATE_SUCKING) && (willowisp->was_sucked)) {
00215     mystate = STATE_IDLE;
00216   }
00217   willowisps.erase(std::find(willowisps.begin(), willowisps.end(), willowisp));
00218 }
00219 
00220 void
00221 GhostTree::draw(DrawingContext& context)
00222 {
00223   BadGuy::draw(context);
00224 
00225   context.push_target();
00226   context.push_transform();
00227   context.set_target(DrawingContext::LIGHTMAP);
00228   if (mystate == STATE_SUCKING) {
00229     context.set_alpha(0.5 + fmodf(game_time, 0.5));
00230   } else {
00231     context.set_alpha(0.5);
00232   }
00233   glow_sprite->draw(context, get_pos(), layer);
00234   context.pop_transform();
00235   context.pop_target();
00236 }
00237 
00238 bool
00239 GhostTree::collides(GameObject& other, const CollisionHit& ) {
00240   if (mystate != STATE_SUCKING) return false;
00241   if (dynamic_cast<Lantern*>(&other)) return true;
00242   if (dynamic_cast<Player*>(&other)) return true;
00243   return false;
00244 }
00245 
00246 HitResponse
00247 GhostTree::collision(GameObject& other, const CollisionHit& ) {
00248   if(mystate != STATE_SUCKING) return ABORT_MOVE;
00249 
00250   Player* player = dynamic_cast<Player*>(&other);
00251   if (player) {
00252     player->kill(false);
00253   }
00254 
00255   Lantern* lantern = dynamic_cast<Lantern*>(&other);
00256   if (lantern) {
00257     suck_lantern = lantern;
00258     suck_lantern->grab(*this, suck_lantern->get_pos(), RIGHT);
00259     suck_lantern_color = lantern->get_color();
00260     mystate = STATE_SWALLOWING;
00261   }
00262 
00263   return ABORT_MOVE;
00264 }
00265 
00266 void
00267 GhostTree::spawn_lantern() {
00268   Lantern* lantern = new Lantern(get_bbox().get_middle() + SUCK_TARGET_OFFSET);
00269   Sector::current()->add_object(lantern);
00270 }
00271 
00272 /* EOF */

Generated on Mon Jun 9 03:38:17 2014 for SuperTux by  doxygen 1.5.1