From: Wolfgang Becker <uafr@gmx.de>
Date: Sat, 15 Jul 2006 00:06:34 +0000 (+0000)
Subject: Trampoline.
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=6a38ca588956d34a22bda9ef1beb53582610b4b5;p=supertux.git

Trampoline.

SVN-Revision: 4012
---

diff --git a/data/images/objects/trampoline/trampoline_red.sprite b/data/images/objects/trampoline/trampoline_red.sprite
new file mode 100644
index 000000000..948c47d25
--- /dev/null
+++ b/data/images/objects/trampoline/trampoline_red.sprite
@@ -0,0 +1,11 @@
+(supertux-sprite
+ (action
+  (name "normal")
+  (hitbox 0 0 0 0)
+  (images "trampoline2-0.png"
+   "trampoline2-1.png"
+   "trampoline2-2.png"
+   "trampoline2-3.png"
+   )
+ )
+)
diff --git a/data/levels/test/trampoline.stl b/data/levels/test/trampoline.stl
new file mode 100644
index 000000000..23ccc543b
--- /dev/null
+++ b/data/levels/test/trampoline.stl
@@ -0,0 +1,70 @@
+(supertux-level
+  (version 2)
+  (name (_ "Unnamed"))
+  (author "wolfgang")
+  (sector
+    (name "main")
+    (gradient
+      (top_color 0.108017 0.7639008 0.8920441)
+      (bottom_color 0.9094849 0.5871124 0.1132812)
+    )
+    (tilemap
+      (z-pos -100)
+      (solid #f)
+      (speed 1)
+      (width 25)
+      (height 35)
+      (tiles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0)
+    )
+    (tilemap
+      (z-pos 0)
+      (solid #t)
+      (speed 1)
+      (width 25)
+      (height 35)
+      (tiles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 48 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 27 28 29 0 44 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 0 44 0 0 0 27 28 29 0 0 0 1 1 0 0 0 0 0 44 0 0 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 44 1 0 0 0 0 44 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1)
+    )
+    (tilemap
+      (z-pos 100)
+      (solid #f)
+      (speed 1)
+      (width 25)
+      (height 35)
+      (tiles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0)
+    )
+    (camera
+      (mode "normal")
+    )
+    (mrbomb
+      (direction "auto")
+      (x 608)
+      (y 1024)
+      (sprite "images/creatures/mr_bomb/mr_bomb.sprite")
+    )
+    (spawnpoint
+      (name "main")
+      (x 128)
+      (y 992)
+    )
+    (trampoline
+      (x 352)
+      (y 1056)
+      (sprite "")
+    )
+    (trampoline
+      (x 320)
+      (y 1056)
+      (sprite "images/objects/trampoline/trampoline_red.sprite")
+    )
+    (trampoline
+      (x 288)
+      (y 1056)
+      (sprite "")
+    )
+    (trampoline
+      (x 256)
+      (y 1056)
+      (sprite "images/objects/trampoline/trampoline_red.sprite")
+    )
+  )
+)
diff --git a/src/object/trampoline.cpp b/src/object/trampoline.cpp
new file mode 100644
index 000000000..58f0cc34f
--- /dev/null
+++ b/src/object/trampoline.cpp
@@ -0,0 +1,113 @@
+//  $Id$
+//
+//  SuperTux - Trampoline
+//  Copyright (C) 2006 Wolfgang Becker <uafr@gmx.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 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>
+
+#include "trampoline.hpp"
+#include "object_factory.hpp"
+#include "player.hpp"
+#include "audio/sound_manager.hpp"
+#include "sprite/sprite_manager.hpp"
+
+/* Trampoline will accelerate player by VY_FACTOR (or to VY_INITIAL if 
+ * that's faster) if he jumps on it. Acceleration is capped at VY_MIN. */
+namespace{
+  static const std::string TRAMPOLINE_SOUND = "sounds/trampoline.wav";
+  static const float VY_MIN = -1000; //negative, upwards
+  static const float VY_FACTOR = -1.5;
+  static const float VY_INITIAL = -500;
+}
+
+Trampoline::Trampoline(const lisp::Lisp& lisp)
+	: MovingSprite(lisp, "images/objects/trampoline/trampoline.sprite" )
+{
+  sound_manager->preload( TRAMPOLINE_SOUND );
+  flags |= FLAG_PORTABLE;
+  physic.set_velocity_y(0);
+  physic.enable_gravity(true);
+  on_ground = false;
+
+  //Check if we need another sprite
+  if( !lisp.get( "sprite", sprite_name ) ){
+    return;
+  }
+  if( sprite_name == "" ){
+    sprite_name = "images/objects/trampoline/trampoline.sprite";
+    return;
+  }
+  //Replace sprite 
+  sprite = sprite_manager->create( sprite_name );
+
+}
+
+void
+Trampoline::update( float elapsed_time ){
+    if( !on_ground ){
+        movement = physic.get_movement(elapsed_time);
+    }
+}
+
+HitResponse
+Trampoline::collision(GameObject& other, const CollisionHit& hit )
+{
+  Player* player = dynamic_cast<Player*> (&other);
+  if ( player ) {
+    float vy = player->physic.get_velocity_y();
+    //player is falling down on trampolin holding "jump"
+    if( hit.top  && vy > 0 && player->get_controller()->hold( Controller::JUMP )){ 
+      vy *= VY_FACTOR;
+      if( vy < VY_MIN ){
+          vy = VY_MIN;
+      }
+      if( vy > VY_INITIAL ){
+          vy = VY_INITIAL;
+      }
+      player->physic.set_velocity_y( vy );
+      //printf("nachher velocity y = %f\n", player->physic.get_velocity_y());
+      sound_manager->play( TRAMPOLINE_SOUND );
+      return  SOLID;
+    }
+  }
+  
+  return SOLID; //TODO: Nobody should be able to walk through the trampoline.
+}
+
+void 
+Trampoline::collision_solid( const CollisionHit& hit ){
+  if( hit.bottom ){
+     on_ground = true;
+  }
+} 
+
+void
+Trampoline::grab( MovingObject&, const Vector& pos, Direction ){
+  movement = pos - get_pos();
+  set_group( COLGROUP_DISABLED );
+  on_ground = true;
+}
+
+void
+Trampoline::ungrab(MovingObject& , Direction ){
+  set_group( COLGROUP_MOVING );
+  on_ground = false;
+  physic.set_velocity_y(0);
+}
+
+
+IMPLEMENT_FACTORY(Trampoline, "trampoline");
diff --git a/src/object/trampoline.hpp b/src/object/trampoline.hpp
new file mode 100644
index 000000000..f856ca017
--- /dev/null
+++ b/src/object/trampoline.hpp
@@ -0,0 +1,51 @@
+//  $Id$
+//
+//  SuperTux - Trampolin
+//  Copyright (C) 2006 Wolfgang Becker <uafr@gmx.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 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.
+
+#ifndef SUPERTUX_TRAMPOLINE_H
+#define SUPERTUX_TRAMPOLINE_H
+
+#include "moving_sprite.hpp"
+#include "lisp/lisp.hpp"
+#include "object/portable.hpp"
+#include "physic.hpp"
+
+/** 
+ * Jumping on a trampolin makes tux jump higher.
+ */
+class Trampoline : public MovingSprite, 
+                   public Portable
+                 
+{
+public:
+  Trampoline(const lisp::Lisp& reader);
+  
+  HitResponse collision(GameObject& other, const CollisionHit& hit);
+  void collision_solid( const CollisionHit& hit );
+  void update( float elapsed_time );
+
+  void grab( MovingObject&, const Vector& pos, Direction );
+  void ungrab(MovingObject& , Direction );
+  
+private:
+  Physic physic;
+  bool on_ground;
+};
+
+#endif
+