Merged changes from branches/supertux-milestone2-grumbel/ to trunk/supertux/
[supertux.git] / src / badguy / mriceblock.cpp
index 0dcd96e..f056d4a 100644 (file)
-//  $Id$
-// 
 //  SuperTux
-//  Copyright (C) 2005 Matthias Braun <matze@braunis.de>
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
-//  This program is free software; you can redistribute it and/or
-//  modify it under the terms of the GNU General Public License
-//  as published by the Free Software Foundation; either version 2
-//  of the License, or (at your option) any later version.
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
 //
 //  This program is distributed in the hope that it will be useful,
 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //  GNU General Public License for more details.
-// 
+//
 //  You should have received a copy of the GNU General Public License
-//  along with this program; if not, write to the Free Software
-//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-//  02111-1307, USA.
-
-#include <config.h>
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-#include "mriceblock.h"
-#include "object/block.h"
+#include "badguy/mriceblock.hpp"
 
-static const float WALKSPEED = 80;
-static const float KICKSPEED = 500;
-static const int MAXSQUISHES = 10;
+#include "audio/sound_manager.hpp"
+#include "object/player.hpp"
+#include "sprite/sprite.hpp"
+#include "supertux/object_factory.hpp"
 
-MrIceBlock::MrIceBlock(const lisp::Lisp& reader)
-  : ice_state(ICESTATE_NORMAL), squishcount(0)
-{
-  reader.get("x", start_position.x);
-  reader.get("y", start_position.y);
-  bbox.set_size(31.8, 31.8);
-  sprite = sprite_manager->create("mriceblock");
-  set_direction = false;
+namespace {
+const float KICKSPEED = 500;
+const int MAXSQUISHES = 10;
+const float NOKICK_TIME = 0.1f;
 }
 
-MrIceBlock::MrIceBlock(float pos_x, float pos_y, Direction d)
-  : ice_state(ICESTATE_NORMAL), squishcount(0)
+MrIceBlock::MrIceBlock(const Reader& reader) :
+  WalkingBadguy(reader, "images/creatures/mr_iceblock/mr_iceblock.sprite", "left", "right"), 
+  ice_state(ICESTATE_NORMAL), 
+  nokick_timer(),
+  flat_timer(),
+  squishcount(0)
 {
-  start_position.x = pos_x;
-  start_position.y = pos_y;
-  bbox.set_size(31.8, 31.8);
-  sprite = sprite_manager->create("mriceblock");
-  set_direction = true;
-  initial_direction = d;
+  walk_speed = 80;
+  max_drop_height = 600;
+  sound_manager->preload("sounds/iceblock_bump.wav");
+  sound_manager->preload("sounds/stomp.wav");
+  sound_manager->preload("sounds/kick.wav");
 }
 
-void
-MrIceBlock::write(lisp::Writer& writer)
+MrIceBlock::MrIceBlock(const Vector& pos, Direction d) :
+  WalkingBadguy(pos, d, "images/creatures/mr_iceblock/mr_iceblock.sprite", "left", "right"), 
+  ice_state(ICESTATE_NORMAL), 
+  nokick_timer(),
+  flat_timer(),
+  squishcount(0)
 {
-  writer.start_list("mriceblock");
-
-  writer.write_float("x", start_position.x);
-  writer.write_float("y", start_position.y);
-
-  writer.end_list("mriceblock");
+  walk_speed = 80;
+  max_drop_height = 600;
+  sound_manager->preload("sounds/iceblock_bump.wav");
+  sound_manager->preload("sounds/stomp.wav");
+  sound_manager->preload("sounds/kick.wav");
 }
 
 void
-MrIceBlock::activate()
+MrIceBlock::initialize()
 {
-  if (set_direction) {dir = initial_direction;}
-  physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
-  sprite->set_action(dir == LEFT ? "left" : "right");
+  WalkingBadguy::initialize();
+  set_state(ICESTATE_NORMAL);
 }
 
 void
 MrIceBlock::active_update(float elapsed_time)
 {
+  if(ice_state == ICESTATE_GRABBED)
+    return;
+
   if(ice_state == ICESTATE_FLAT && flat_timer.check()) {
-    ice_state = ICESTATE_NORMAL;
-    physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
-    sprite->set_action(dir == LEFT ? "left" : "right");
+    set_state(ICESTATE_NORMAL);
+  }
+
+  if (ice_state == ICESTATE_NORMAL)
+  {
+    WalkingBadguy::active_update(elapsed_time);
+    return;
   }
+
   BadGuy::active_update(elapsed_time);
 }
 
-HitResponse
-MrIceBlock::collision_solid(GameObject& object, const CollisionHit& hit)
+bool
+MrIceBlock::can_break(){
+  return ice_state == ICESTATE_KICKED;
+}
+
+void
+MrIceBlock::collision_solid(const CollisionHit& hit)
 {
-  if(fabsf(hit.normal.y) > .5) { // floor or roof
+  update_on_ground_flag(hit);
+
+  if(hit.top || hit.bottom) { // floor or roof
     physic.set_velocity_y(0);
-    return CONTINUE;
+    return;
   }
+
   // hit left or right
   switch(ice_state) {
     case ICESTATE_NORMAL:
-      dir = dir == LEFT ? RIGHT : LEFT;
-      sprite->set_action(dir == LEFT ? "left" : "right");
-      physic.set_velocity_x(-physic.get_velocity_x());       
+      WalkingBadguy::collision_solid(hit);
       break;
     case ICESTATE_KICKED: {
-      BonusBlock* bonusblock = dynamic_cast<BonusBlock*> (&object);
-      if(bonusblock) {
-        bonusblock->try_open();
-      }
-      Brick* brick = dynamic_cast<Brick*> (&object);
-      if(brick) {
-        brick->try_break();
+      if(hit.right && dir == RIGHT) {
+        dir = LEFT;
+        sound_manager->play("sounds/iceblock_bump.wav", get_pos());
+        physic.set_velocity_x(-KICKSPEED);
+      } else if(hit.left && dir == LEFT) {
+        dir = RIGHT;
+        sound_manager->play("sounds/iceblock_bump.wav", get_pos());
+        physic.set_velocity_x(KICKSPEED);
       }
-      
-      dir = dir == LEFT ? RIGHT : LEFT;
       sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
-      physic.set_velocity_x(-physic.get_velocity_x());
-      sound_manager->play("sounds/ricochet.wav", get_pos());
       break;
     }
     case ICESTATE_FLAT:
       physic.set_velocity_x(0);
       break;
+    case ICESTATE_GRABBED:
+      break;
   }
+}
 
-  return CONTINUE;
+HitResponse
+MrIceBlock::collision(GameObject& object, const CollisionHit& hit)
+{
+  if(ice_state == ICESTATE_GRABBED)
+    return FORCE_MOVE;
+
+  return BadGuy::collision(object, hit);
+}
+
+HitResponse
+MrIceBlock::collision_player(Player& player, const CollisionHit& hit)
+{
+  if(ice_state == ICESTATE_GRABBED)
+    return FORCE_MOVE;
+
+  if(dir == UP) {
+    return FORCE_MOVE;
+  }
+
+  // handle kicks from left or right side
+  if(ice_state == ICESTATE_FLAT && get_state() == STATE_ACTIVE) {
+    if(hit.left) {
+      dir = RIGHT;
+      player.kick();
+      set_state(ICESTATE_KICKED);
+      return FORCE_MOVE;
+    } else if(hit.right) {
+      dir = LEFT;
+      player.kick();
+      set_state(ICESTATE_KICKED);
+      return FORCE_MOVE;
+    }
+  }
+
+  return BadGuy::collision_player(player, hit);
 }
 
 HitResponse
@@ -121,12 +164,7 @@ MrIceBlock::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
 {
   switch(ice_state) {
     case ICESTATE_NORMAL:
-      if(fabsf(hit.normal.x) > .8) {
-        dir = dir == LEFT ? RIGHT : LEFT;
-        sprite->set_action(dir == LEFT ? "left" : "right");
-        physic.set_velocity_x(-physic.get_velocity_x());               
-      }
-      return CONTINUE;
+      return WalkingBadguy::collision_badguy(badguy, hit);
     case ICESTATE_FLAT:
       return FORCE_MOVE;
     case ICESTATE_KICKED:
@@ -140,43 +178,117 @@ MrIceBlock::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
 }
 
 bool
-MrIceBlock::collision_squished(Player& player)
+MrIceBlock::collision_squished(GameObject& object)
 {
   switch(ice_state) {
     case ICESTATE_KICKED:
+    {
+      BadGuy* badguy = dynamic_cast<BadGuy*>(&object);
+      if (badguy) {
+        badguy->kill_fall();
+        break;
+      }
+    }
+
+    // fall through
     case ICESTATE_NORMAL:
+    {
+      Player* player = dynamic_cast<Player*>(&object);
       squishcount++;
-      if(squishcount >= MAXSQUISHES) {
+      if ((squishcount >= MAXSQUISHES) || (player && player->does_buttjump)) {
         kill_fall();
         return true;
       }
+    }
 
-      // flatten
-      sound_manager->play("sounds/stomp.wav", get_pos());
-      physic.set_velocity_x(0);
-      physic.set_velocity_y(0); 
-      
-      sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
-      flat_timer.start(4);
-      ice_state = ICESTATE_FLAT;
-      break;
+    set_state(ICESTATE_FLAT);
+    nokick_timer.start(NOKICK_TIME);
+    break;
     case ICESTATE_FLAT:
-      // kick
-      sound_manager->play("sounds/kick.wav", get_pos());
-
-      if(player.get_pos().x < get_pos().x) {
+    {
+      MovingObject* movingobject = dynamic_cast<MovingObject*>(&object);
+      if (movingobject && (movingobject->get_pos().x < get_pos().x)) {
         dir = RIGHT;
       } else {
         dir = LEFT;
       }
+    }
+    if (nokick_timer.check()) set_state(ICESTATE_KICKED);
+    break;
+    case ICESTATE_GRABBED:
+      assert(false);
+      break;
+  }
+
+  Player* player = dynamic_cast<Player*>(&object);
+  if (player) player->bounce(*this);
+  return true;
+}
+
+void
+MrIceBlock::set_state(IceState state)
+{
+  if(ice_state == state)
+    return;
+
+  switch(state) {
+    case ICESTATE_NORMAL:
+      WalkingBadguy::initialize();
+      break;
+    case ICESTATE_FLAT:
+      if(dir == UP) {
+        physic.set_velocity_y(-KICKSPEED);
+        bbox.set_size(34, 31.8f);
+      } else {
+        sound_manager->play("sounds/stomp.wav", get_pos());
+        physic.set_velocity_x(0);
+        physic.set_velocity_y(0);
+
+        sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
+      }
+      flat_timer.start(4);
+      break;
+    case ICESTATE_KICKED:
+      sound_manager->play("sounds/kick.wav", get_pos());
+
       physic.set_velocity_x(dir == LEFT ? -KICKSPEED : KICKSPEED);
       sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
-      ice_state = ICESTATE_KICKED;
+      // we should slide above 1 block holes now...
+      bbox.set_size(34, 31.8f);
+      break;
+    case ICESTATE_GRABBED:
+      flat_timer.stop();
       break;
+    default:
+      assert(false);
   }
+  ice_state = state;
+}
 
-  player.bounce(*this);
-  return true;
+void
+MrIceBlock::grab(MovingObject&, const Vector& pos, Direction dir)
+{
+  movement = pos - get_pos();
+  this->dir = dir;
+  sprite->set_action(dir == LEFT ? "flat-left" : "flat-right");
+  set_state(ICESTATE_GRABBED);
+  set_colgroup_active(COLGROUP_DISABLED);
+}
+
+void
+MrIceBlock::ungrab(MovingObject& , Direction dir)
+{
+  this->dir = dir;
+  set_state(dir == UP ? ICESTATE_FLAT : ICESTATE_KICKED);
+  set_colgroup_active(COLGROUP_MOVING);
 }
 
-IMPLEMENT_FACTORY(MrIceBlock, "mriceblock")
+bool
+MrIceBlock::is_portable() const
+{
+  return ice_state == ICESTATE_FLAT;
+}
+
+IMPLEMENT_FACTORY(MrIceBlock, "mriceblock");
+
+/* EOF */