src/badguy/mriceblock.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2005 Matthias Braun <matze@braunis.de>
   5 //
   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.
  10 //
  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.
  15 //
  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
  19 //  02111-1307, USA.
  20
  21 #include <config.h>
  22
  23 #include "mriceblock.h"
  24 #include "object/block.h"
  25
  26 static const float WALKSPEED = 80;
  27 static const float KICKSPEED = 500;
  28 static const int MAXSQUISHES = 10;
  29
  30 MrIceBlock::MrIceBlock(const lisp::Lisp& reader)
  31   : ice_state(ICESTATE_NORMAL), squishcount(0)
  32 {
  33   reader.get("x", start_position.x);
  34   reader.get("y", start_position.y);
  35   bbox.set_size(31.8, 31.8);
  36   sprite = sprite_manager->create("mriceblock");
  37   set_direction = false;
  38 }
  39
  40 MrIceBlock::MrIceBlock(float pos_x, float pos_y, Direction d)
  41   : ice_state(ICESTATE_NORMAL), squishcount(0)
  42 {
  43   start_position.x = pos_x;
  44   start_position.y = pos_y;
  45   bbox.set_size(31.8, 31.8);
  46   sprite = sprite_manager->create("mriceblock");
  47   set_direction = true;
  48   initial_direction = d;
  49 }
  50
  51 void
  52 MrIceBlock::write(lisp::Writer& writer)
  53 {
  54   writer.start_list("mriceblock");
  55
  56   writer.write_float("x", start_position.x);
  57   writer.write_float("y", start_position.y);
  58
  59   writer.end_list("mriceblock");
  60 }
  61
  62 void
  63 MrIceBlock::activate()
  64 {
  65   if (set_direction) {dir = initial_direction;}
  66   physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
  67   sprite->set_action(dir == LEFT ? "left" : "right");
  68 }
  69
  70 void
  71 MrIceBlock::active_action(float elapsed_time)
  72 {
  73   if(ice_state == ICESTATE_FLAT && flat_timer.check()) {
  74     printf("unflat.\n");
  75     ice_state = ICESTATE_NORMAL;
  76     physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
  77     sprite->set_action(dir == LEFT ? "left" : "right");
  78   }
  79   BadGuy::active_action(elapsed_time);
  80 }
  81
  82 HitResponse
  83 MrIceBlock::collision_solid(GameObject& object, const CollisionHit& hit)
  84 {
  85   if(fabsf(hit.normal.y) > .5) { // floor or roof
  86     physic.set_velocity_y(0);
  87     return CONTINUE;
  88   }
  89   // hit left or right
  90   switch(ice_state) {
  91     case ICESTATE_NORMAL:
  92       dir = dir == LEFT ? RIGHT : LEFT;
  93       sprite->set_action(dir == LEFT ? "left" : "right");
  94       physic.set_velocity_x(-physic.get_velocity_x());
  95       break;
  96     case ICESTATE_KICKED: {
  97       BonusBlock* bonusblock = dynamic_cast<BonusBlock*> (&object);
  98       if(bonusblock) {
  99         bonusblock->try_open();
 100       }
 101       Brick* brick = dynamic_cast<Brick*> (&object);
 102       if(brick) {
 103         brick->try_break();
 104       }
 105
 106       dir = dir == LEFT ? RIGHT : LEFT;
 107       sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
 108       physic.set_velocity_x(-physic.get_velocity_x());
 109       sound_manager->play_sound("ricochet", get_pos(),
 110                                 Sector::current()->player->get_pos());
 111       break;
 112     }
 113     case ICESTATE_FLAT:
 114       physic.set_velocity_x(0);
 115       break;
 116   }
 117
 118   return CONTINUE;
 119 }
 120
 121 HitResponse
 122 MrIceBlock::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
 123 {
 124   switch(ice_state) {
 125     case ICESTATE_NORMAL:
 126       if(fabsf(hit.normal.x) > .8) {
 127         dir = dir == LEFT ? RIGHT : LEFT;
 128         sprite->set_action(dir == LEFT ? "left" : "right");
 129         physic.set_velocity_x(-physic.get_velocity_x());
 130       }
 131       return CONTINUE;
 132     case ICESTATE_FLAT:
 133       return FORCE_MOVE;
 134     case ICESTATE_KICKED:
 135       badguy.kill_fall();
 136       return FORCE_MOVE;
 137     default:
 138       assert(false);
 139   }
 140
 141   return ABORT_MOVE;
 142 }
 143
 144 bool
 145 MrIceBlock::collision_squished(Player& player)
 146 {
 147   switch(ice_state) {
 148     case ICESTATE_KICKED:
 149     case ICESTATE_NORMAL:
 150       squishcount++;
 151       if(squishcount >= MAXSQUISHES) {
 152         kill_fall();
 153         return true;
 154       }
 155
 156       // flatten
 157       sound_manager->play_sound("stomp", get_pos(), player.get_pos());
 158       physic.set_velocity_x(0);
 159       physic.set_velocity_y(0);
 160
 161       sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
 162       flat_timer.start(4);
 163       ice_state = ICESTATE_FLAT;
 164       printf("flat.\n");
 165       break;
 166     case ICESTATE_FLAT:
 167       // kick
 168       sound_manager->play_sound("kick", this, player.get_pos());
 169
 170       if(player.get_pos().x < get_pos().x) {
 171         dir = RIGHT;
 172       } else {
 173         dir = LEFT;
 174       }
 175       physic.set_velocity_x(dir == LEFT ? -KICKSPEED : KICKSPEED);
 176       sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
 177       ice_state = ICESTATE_KICKED;
 178       printf("kicked.\n");
 179       break;
 180   }
 181
 182   player.bounce(*this);
 183   return true;
 184 }
 185
 186 IMPLEMENT_FACTORY(MrIceBlock, "mriceblock")