eliminated global scroll_x and scroll_y variables

[supertux.git] / src / collision.h

diff --git a/src/collision.h b/src/collision.h
index 3836871..225a771 100644 (file)
--- a/src/collision.h
+++ b/src/collision.h
@@ -1,34 +1,70 @@
-// C Interface: collision
-//
-// Description: 
-//
-//
-// Author: Tobias Glaesser <tobi.web@web.de>, (C) 2004
-//
-// Copyright: See COPYING file that comes with this distribution
+//  $Id$
+// 
+//  SuperTux
+//  Copyright (C) 2004 Tobias Glaesser <tobi.web@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_COLLISION_H
 #define SUPERTUX_COLLISION_H
 
 #include "type.h"
 
+class Tile;
+class World;
+
 /* Collision objects */
 enum
 {
   CO_BULLET,
   CO_BADGUY,
-  CO_BSOD,
-  CO_PLAYER
+  CO_PLAYER,
+  CO_TRAMPOLINE
 };
 
-int rectcollision(itop_type* one, itop_type* two);
-int rectcollision_offset(itop_type* one, itop_type* two, float off_x, float off_y);
+enum CollisionType {
+    COLLISION_NORMAL,
+    COLLISION_BUMP,
+    COLLISION_SQUISH
+};
+
+bool rectcollision(const base_type& one, const base_type& two);
+bool rectcollision_offset(const base_type& one, const base_type& two, float off_x, float off_y);
+
+void collision_swept_object_map(base_type* old, base_type* current);
+bool collision_object_map(const base_type& object);
+
+/** Return a pointer to the tile at the given x/y coordinates */
+Tile* gettile(float x, float y);
+
+// Some little helper function to check for tile properties
+bool  issolid(float x, float y);
+bool  isbrick(float x, float y);
+bool  isice(float x, float y);
+bool  isspike(float x, float y);
+bool  isfullbox(float x, float y);
+
+typedef void* (*tiletestfunction)(Tile* tile);
+/** invokes the function for each tile the baserectangle collides with. The
+ * function aborts and returns true as soon as the tiletestfunction returns
+ * != 0 then this value is returned. returns 0 if all tests failed.
+ */
+void* collision_func(const base_type& base, tiletestfunction* function);
 
-/* Checks for all possible collisions.
-   And calls the collision_handlers, which the collision_objects provide for this case (or not). */
-void collision_handler();
+Tile* collision_goal(const base_type& base);
 
 #endif /*SUPERTUX_COLLISION_H*/