Owl: Added initial code for an "Owl" badguy.

Graphics are based on a drawing by Grumbel. The badguy simply flies from right
to left for now.

SVN-Revision: 6558

data/images/creatures/owl/owl.sprite

@@ -0,0 +1,18 @@
+(supertux-sprite
+ (action
+  (name "left")
+  (fps 10.0)
+  (hitbox 14 7 35 45)
+  (images "left-0.png"
+          "left-1.png"
+          "left-2.png"
+          "left-3.png"
+          "left-4.png"
+          "left-5.png"))
+
+ (action
+  (name "right")
+  (fps 10.0)
+  (hitbox 14 7 35 45)
+  (mirror-action "left"))
+)

src/badguy/owl.cpp

@@ -0,0 +1,75 @@
+//  SuperTux
+//  Copyright (C) 2008 Wolfgang Becker <uafr@gmx.de>
+//  Copyright (C) 2010 Florian Forster <supertux at octo.it>
+//
+//  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, see <http://www.gnu.org/licenses/>.
+
+#include "badguy/owl.hpp"
+
+#include "audio/sound_manager.hpp"
+#include "sprite/sprite.hpp"
+#include "supertux/object_factory.hpp"
+
+#define FLYING_SPEED 120.0
+
+Owl::Owl(const Reader& reader) :
+  BadGuy(reader, "images/creatures/owl/owl.sprite")
+{
+  set_action (dir == LEFT ? "left" : "right", /* loops = */ -1);
+}
+
+Owl::Owl(const Vector& pos, Direction d)
+  : BadGuy(pos, d, "images/creatures/owl/owl.sprite")
+{
+  set_action (dir == LEFT ? "left" : "right", /* loops = */ -1);
+}
+
+void
+Owl::initialize()
+{
+  physic.set_velocity_x(dir == LEFT ? -FLYING_SPEED : FLYING_SPEED);
+  physic.enable_gravity(false);
+  sprite->set_action(dir == LEFT ? "left" : "right");
+}
+
+bool
+Owl::collision_squished(GameObject&)
+{
+  kill_fall ();
+  return true;
+}
+
+void
+Owl::collision_solid(const CollisionHit& hit)
+{
+  if(hit.top || hit.bottom) {
+    physic.set_velocity_y(0);
+  } else if(hit.left || hit.right) {
+    kill_fall ();
+  }
+}
+
+HitResponse
+Owl::collision_player(Player& player, const CollisionHit& hit)
+{
+  //Hack to tell if we should die
+  HitResponse response = BadGuy::collision_player(player, hit);
+  if(response == FORCE_MOVE) {
+    kill_fall ();
+  }
+
+  return ABORT_MOVE;
+}
+
+/* EOF */

src/badguy/owl.hpp

@@ -0,0 +1,39 @@
+//  SuperTux
+//  Copyright (C) 2008 Wolfgang Becker <uafr@gmx.de>
+//  Copyright (C) 2010 Florian Forster <supertux at octo.it>
+//
+//  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, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_BADGUY_OWL_HPP
+#define HEADER_SUPERTUX_BADGUY_OWL_HPP
+
+#include "badguy/badguy.hpp"
+
+class Owl : public BadGuy
+{
+public:
+  Owl(const Reader& reader);
+  Owl(const Vector& pos, Direction d);
+
+  void initialize();
+  void collision_solid(const CollisionHit& hit);
+
+protected:
+  bool collision_squished(GameObject& object);
+  HitResponse collision_player(Player& player, const CollisionHit& hit);
+};
+
+#endif /* HEADER_SUPERTUX_BADGUY_OWL_HPP */
+
+/* EOF */

src/supertux/object_factory.cpp

@@ -46,6 +46,7 @@
 #include "badguy/mrbomb.hpp"
 #include "badguy/mriceblock.hpp"
 #include "badguy/mrtree.hpp"
+#include "badguy/owl.hpp"
 #include "badguy/plant.hpp"
 #include "badguy/poisonivy.hpp"
 #include "badguy/root.hpp"
@@ -194,6 +195,7 @@ ObjectFactory::init_factories()
   add_factory<MrBomb>("mrbomb");
   add_factory<MrIceBlock>("mriceblock");
   add_factory<MrTree>("mrtree");
+  add_factory<Owl>("owl");
   add_factory<Plant>("plant");
   add_factory<PoisonIvy>("poisonivy");
   add_factory<ShortFuse>("short_fuse");