From 4587bd9c8fc5cbb20f1e442de76bc06571ab56ba Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Fri, 5 Jan 2007 15:43:18 +0000
Subject: [PATCH] Merged gravity patch by T. Goya

SVN-Revision: 4530
---
 src/badguy/badguy.hpp          | 4 +---
 src/object/bullet.hpp          | 3 +--
 src/object/falling_coin.hpp    | 3 +--
 src/object/flower.hpp          | 1 -
 src/object/gameobjs.hpp        | 1 -
 src/object/growup.hpp          | 5 +----
 src/object/oneup.hpp           | 5 +----
 src/object/player.hpp          | 3 +--
 src/object/powerup.hpp         | 3 +--
 src/object/rock.hpp            | 3 +--
 src/object/scripted_object.hpp | 5 ++---
 src/object/skull_tile.hpp      | 3 +--
 src/object/star.hpp            | 5 +----
 src/object/trampoline.hpp      | 1 -
 src/object/unstable_tile.hpp   | 4 +---
 src/object/weak_block.hpp      | 4 +---
 src/physic.hpp                 | 7 +++++++
 src/sector.cpp                 | 9 ++++++++-
 18 files changed, 29 insertions(+), 40 deletions(-)

diff --git a/src/badguy/badguy.hpp b/src/badguy/badguy.hpp
index 5824610d0..a6f019797 100644
--- a/src/badguy/badguy.hpp
+++ b/src/badguy/badguy.hpp
@@ -38,7 +38,7 @@
 #include "audio/sound_manager.hpp"
 #include "audio/sound_source.hpp"
 
-class BadGuy : public MovingSprite, public Serializable
+class BadGuy : public MovingSprite, protected UsesPhysic, public Serializable
 {
 public:
   BadGuy(const Vector& pos, const std::string& sprite_name, int layer = LAYER_OBJECTS);
@@ -175,8 +175,6 @@ protected:
    */
   Player* get_nearest_player();
 
-  Physic physic;
-
   /// is the enemy activated
   bool activated;
   /**
diff --git a/src/object/bullet.hpp b/src/object/bullet.hpp
index b18e375cd..789144722 100644
--- a/src/object/bullet.hpp
+++ b/src/object/bullet.hpp
@@ -25,7 +25,7 @@
 #include "sprite/sprite.hpp"
 #include "player_status.hpp"
 
-class Bullet : public MovingObject
+class Bullet : public MovingObject, private UsesPhysic
 {
 public:
   Bullet(const Vector& pos, float xm, int dir, BonusType type);
@@ -50,7 +50,6 @@ public:
 
 private:
   int life_count;
-  Physic physic;
   std::auto_ptr<Sprite> sprite;
   BonusType type;
 };
diff --git a/src/object/falling_coin.hpp b/src/object/falling_coin.hpp
index 04358dd2d..8eeabb395 100644
--- a/src/object/falling_coin.hpp
+++ b/src/object/falling_coin.hpp
@@ -26,7 +26,7 @@
 #include "video/drawing_context.hpp"
 #include "physic.hpp"
 
-class FallingCoin : public GameObject
+class FallingCoin : public GameObject, private UsesPhysic
 {
 public:
   FallingCoin(const Vector& start_position, const int x_vel);
@@ -37,7 +37,6 @@ public:
 private:
   Vector  pos;
   Sprite* sprite;
-  Physic  physic;
 };
 
 #endif
diff --git a/src/object/flower.hpp b/src/object/flower.hpp
index 46a2e6c22..e1c06acb4 100644
--- a/src/object/flower.hpp
+++ b/src/object/flower.hpp
@@ -22,7 +22,6 @@
 
 #include "moving_object.hpp"
 #include "sprite/sprite.hpp"
-#include "physic.hpp"
 #include "player_status.hpp"
 
 class Flower : public MovingObject
diff --git a/src/object/gameobjs.hpp b/src/object/gameobjs.hpp
index d15ed27d4..5a4063f52 100644
--- a/src/object/gameobjs.hpp
+++ b/src/object/gameobjs.hpp
@@ -22,7 +22,6 @@
 
 #include "video/surface.hpp"
 #include "timer.hpp"
-#include "physic.hpp"
 #include "game_object.hpp"
 #include "moving_object.hpp"
 #include "serializable.hpp"
diff --git a/src/object/growup.hpp b/src/object/growup.hpp
index 315740de3..869b3fe0b 100644
--- a/src/object/growup.hpp
+++ b/src/object/growup.hpp
@@ -24,7 +24,7 @@
 #include "physic.hpp"
 #include "direction.hpp"
 
-class GrowUp : public MovingSprite
+class GrowUp : public MovingSprite, private UsesPhysic
 {
 public:
   GrowUp(Direction direction = RIGHT);
@@ -33,9 +33,6 @@ public:
   virtual void update(float elapsed_time);
   virtual void collision_solid(const CollisionHit& hit);
   virtual HitResponse collision(GameObject& other, const CollisionHit& hit);
-
-private:
-  Physic physic;
 };
 
 #endif
diff --git a/src/object/oneup.hpp b/src/object/oneup.hpp
index 415c61cfb..1e2384124 100644
--- a/src/object/oneup.hpp
+++ b/src/object/oneup.hpp
@@ -24,7 +24,7 @@
 #include "physic.hpp"
 #include "direction.hpp"
 
-class OneUp : public MovingSprite
+class OneUp : public MovingSprite, private UsesPhysic
 {
 public:
   OneUp(const Vector& pos, Direction direction = RIGHT);
@@ -32,9 +32,6 @@ public:
 
   virtual void update(float elapsed_time);
   virtual HitResponse collision(GameObject& other, const CollisionHit& hit);
-
-private:
-  Physic physic;
 };
 
 #endif
diff --git a/src/object/player.hpp b/src/object/player.hpp
index de229492e..73027ecc6 100644
--- a/src/object/player.hpp
+++ b/src/object/player.hpp
@@ -81,7 +81,7 @@ extern TuxBodyParts* big_tux;
 extern TuxBodyParts* fire_tux;
 extern TuxBodyParts* ice_tux;
 
-class Player : public MovingObject, public Scripting::Player, public ScriptInterface
+class Player : public MovingObject, public UsesPhysic, public Scripting::Player, public ScriptInterface
 {
 public:
   enum FallMode { ON_GROUND, JUMPING, TRAMPOLINE_JUMP, FALLING };
@@ -119,7 +119,6 @@ public:
   Timer growing_timer;
   Timer idle_timer;
   Timer backflip_timer;
-  Physic physic;
 
 public:
   Player(PlayerStatus* player_status, const std::string& name);
diff --git a/src/object/powerup.hpp b/src/object/powerup.hpp
index 5ed2b4970..4779db170 100644
--- a/src/object/powerup.hpp
+++ b/src/object/powerup.hpp
@@ -25,7 +25,7 @@
 #include "collision_hit.hpp"
 #include "physic.hpp"
 
-class PowerUp : public MovingSprite
+class PowerUp : public MovingSprite, private UsesPhysic
 {
 public:
   PowerUp(const lisp::Lisp& lisp);
@@ -35,7 +35,6 @@ public:
   virtual HitResponse collision(GameObject& other, const CollisionHit& hit);
 
 private:
-  Physic physic;
   std::string script;
   bool no_physics;
 };
diff --git a/src/object/rock.hpp b/src/object/rock.hpp
index 379ed07a4..099d7cace 100644
--- a/src/object/rock.hpp
+++ b/src/object/rock.hpp
@@ -28,7 +28,7 @@
 
 class Sprite;
 
-class Rock : public MovingSprite, public Portable, public Serializable
+class Rock : public MovingSprite, public Portable, protected UsesPhysic, public Serializable
 {
 public:
   Rock(const lisp::Lisp& reader);
@@ -46,7 +46,6 @@ public:
 protected:
   bool on_ground;
   bool grabbed;
-  Physic physic;
   Vector last_movement;
 };
 
diff --git a/src/object/scripted_object.hpp b/src/object/scripted_object.hpp
index 1e432a729..9ac72c56e 100644
--- a/src/object/scripted_object.hpp
+++ b/src/object/scripted_object.hpp
@@ -27,8 +27,8 @@
 #include "script_interface.hpp"
 #include "scripting/scripted_object.hpp"
 
-class ScriptedObject : public MovingSprite, public Scripting::ScriptedObject,
-                       public ScriptInterface
+class ScriptedObject : public MovingSprite, public UsesPhysic, 
+                       public Scripting::ScriptedObject, public ScriptInterface
 {
 public:
   ScriptedObject(const lisp::Lisp& lisp);
@@ -69,7 +69,6 @@ private:
   bool visible;
   bool new_vel_set;
   Vector new_vel;
-  Physic physic;
 };
 
 #endif
diff --git a/src/object/skull_tile.hpp b/src/object/skull_tile.hpp
index f9a19fcba..5a6579833 100644
--- a/src/object/skull_tile.hpp
+++ b/src/object/skull_tile.hpp
@@ -28,7 +28,7 @@
 class Player;
 
 /** A tile that starts falling down if tux stands to long on it */
-class SkullTile : public MovingSprite
+class SkullTile : public MovingSprite, private UsesPhysic
 {
 public:
   SkullTile(const lisp::Lisp& lisp);
@@ -39,7 +39,6 @@ public:
   void draw(DrawingContext& context);
 
 private:
-  Physic physic;
   Timer timer;
   bool hit;
   bool falling;
diff --git a/src/object/star.hpp b/src/object/star.hpp
index 68b4fc949..e3f4f04c8 100644
--- a/src/object/star.hpp
+++ b/src/object/star.hpp
@@ -24,7 +24,7 @@
 #include "physic.hpp"
 #include "direction.hpp"
 
-class Star : public MovingSprite
+class Star : public MovingSprite, private UsesPhysic
 {
 public:
   Star(const Vector& pos, Direction direction = RIGHT);
@@ -33,9 +33,6 @@ public:
   virtual void update(float elapsed_time);
   virtual void collision_solid(const CollisionHit& hit);
   virtual HitResponse collision(GameObject& other, const CollisionHit& hit);
-
-private:
-  Physic physic;
 };
 
 #endif
diff --git a/src/object/trampoline.hpp b/src/object/trampoline.hpp
index c1eca0ffb..c7653c0ea 100644
--- a/src/object/trampoline.hpp
+++ b/src/object/trampoline.hpp
@@ -23,7 +23,6 @@
 #include "moving_sprite.hpp"
 #include "lisp/lisp.hpp"
 #include "object/rock.hpp"
-#include "physic.hpp"
 
 /**
  * Jumping on a trampolin makes tux jump higher.
diff --git a/src/object/unstable_tile.hpp b/src/object/unstable_tile.hpp
index 9c6e0bd76..a6bb71e48 100644
--- a/src/object/unstable_tile.hpp
+++ b/src/object/unstable_tile.hpp
@@ -29,7 +29,7 @@
 /**
  * A block that disintegrates when stood on
  */
-class UnstableTile : public MovingSprite
+class UnstableTile : public MovingSprite, public UsesPhysic
 {
 public:
   UnstableTile(const lisp::Lisp& lisp);
@@ -45,8 +45,6 @@ private:
     STATE_DISINTEGRATING /**< disintegrating, no longer solid */
   };
   State state;
-
-  Physic physic;
 };
 
 #endif
diff --git a/src/object/weak_block.hpp b/src/object/weak_block.hpp
index e36d1eb66..01e2464be 100644
--- a/src/object/weak_block.hpp
+++ b/src/object/weak_block.hpp
@@ -29,7 +29,7 @@
 /**
  * A block that can be destroyed by Bullet hits
  */
-class WeakBlock : public MovingSprite
+class WeakBlock : public MovingSprite, public UsesPhysic
 {
 public:
   WeakBlock(const lisp::Lisp& lisp);
@@ -55,8 +55,6 @@ private:
     STATE_DISINTEGRATING /**< crumbling to dust, no longer solid */
   };
   State state;
-
-  Physic physic;
 };
 
 #endif
diff --git a/src/physic.hpp b/src/physic.hpp
index abfdba530..037d85ed2 100644
--- a/src/physic.hpp
+++ b/src/physic.hpp
@@ -87,4 +87,11 @@ private:
   float gravity;
 };
 
+class UsesPhysic
+{
+public:
+  Physic physic;
+  friend class Sector;
+};
+
 #endif
diff --git a/src/sector.cpp b/src/sector.cpp
index af819872b..c306517db 100644
--- a/src/sector.cpp
+++ b/src/sector.cpp
@@ -74,7 +74,7 @@ bool Sector::draw_solids_only = false;
 
 Sector::Sector(Level* parent)
   : level(parent), currentmusic(LEVEL_MUSIC),
-  ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ), gravity(10), player(0), camera(0) 
+  ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ), gravity(1000.0), player(0), camera(0) 
 {
   add_object(new Player(player_status, "Tux"));
   add_object(new DisplayEffect("Effect"));
@@ -708,6 +708,13 @@ Sector::before_object_add(GameObject* object)
     this->player = player;
   }
 
+  UsesPhysic *physic_object = dynamic_cast<UsesPhysic *>(object);
+  if(physic_object)
+  {
+    physic_object->physic.set_gravity(gravity);
+  }
+
+
   if(_current == this) {
     try_expose(object);
   }
-- 
2.11.0