+// $Id$
+//
+// SuperTux
+// Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
//
-// C Implementation: collision
-//
-// Description:
-//
-//
-// Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
-//
-// Copyright: See COPYING file that comes with this distribution
-//
+// 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 "defines.h"
#include "collision.h"
#include "bitmask.h"
#include "scene.h"
+#include "world.h"
+#include "level.h"
+#include "tile.h"
-bool rectcollision(base_type* one, base_type* two)
+bool rectcollision(const base_type& one, const base_type& two)
{
- return (one->x >= two->x - one->width + 1 &&
- one->x <= two->x + two->width - 1 &&
- one->y >= two->y - one->height + 1 &&
- one->y <= two->y + two->height - 1);
+ return (one.x >= two.x - one.width + 1 &&
+ one.x <= two.x + two.width - 1 &&
+ one.y >= two.y - one.height + 1 &&
+ one.y <= two.y + two.height - 1);
}
-bool rectcollision_offset(base_type* one, base_type* two, float off_x, float off_y)
+bool rectcollision_offset(const base_type& one, const base_type& two, float off_x, float off_y)
{
- return (one->x >= two->x - one->width +off_x + 1 &&
- one->x <= two->x + two->width + off_x - 1 &&
- one->y >= two->y - one->height + off_y + 1 &&
- one->y <= two->y + two->height + off_y - 1);
+ return (one.x >= two.x - one.width + off_x + 1 &&
+ one.x <= two.x + two.width + off_x - 1 &&
+ one.y >= two.y - one.height + off_y + 1 &&
+ one.y <= two.y + two.height + off_y - 1);
}
-bool collision_object_map(base_type* pbase)
+bool collision_object_map(const base_type& pbase)
{
- int v = (int)pbase->height / 16;
- int h = (int)pbase->width / 16;
+ int v = (int)pbase.height / 16;
+ int h = (int)pbase.width / 16;
- if(issolid(pbase->x + 1, pbase->y + 1) ||
- issolid(pbase->x + pbase->width -1, pbase->y + 1) ||
- issolid(pbase->x +1, pbase->y + pbase->height -1) ||
- issolid(pbase->x + pbase->width -1, pbase->y + pbase->height - 1))
+ if(issolid(pbase.x + 1, pbase.y + 1) ||
+ issolid(pbase.x + pbase.width -1, pbase.y + 1) ||
+ issolid(pbase.x +1, pbase.y + pbase.height -1) ||
+ issolid(pbase.x + pbase.width -1, pbase.y + pbase.height - 1))
return true;
for(int i = 1; i < h; ++i)
{
- if(issolid(pbase->x + i*16,pbase->y + 1))
+ if(issolid(pbase.x + i*16,pbase.y + 1))
return true;
}
for(int i = 1; i < h; ++i)
{
- if( issolid(pbase->x + i*16,pbase->y + pbase->height - 1))
+ if( issolid(pbase.x + i*16,pbase.y + pbase.height - 1))
return true;
}
for(int i = 1; i < v; ++i)
{
- if( issolid(pbase->x + 1, pbase->y + i*16))
+ if( issolid(pbase.x + 1, pbase.y + i*16))
return true;
}
for(int i = 1; i < v; ++i)
{
- if( issolid(pbase->x + pbase->width - 1, pbase->y + i*16))
+ if( issolid(pbase.x + pbase.width - 1, pbase.y + i*16))
return true;
}
steps--;
}
- if(collision_object_map(old))
+ if(collision_object_map(*old))
{
switch(h)
{
case 1:
current->y = old->y - yd;
- while(collision_object_map(current))
+ while(collision_object_map(*current))
current->y -= yd;
break;
case 2:
current->x = old->x - xd;
- while(collision_object_map(current))
+ while(collision_object_map(*current))
current->x -= xd;
break;
case 3:
yt = current->y;
current->x = old->x - xd;
current->y = old->y - yd;
- while(collision_object_map(current))
+ while(collision_object_map(*current))
{
current->x -= xd;
current->y -= yd;
temp = current->x;
current->x = xt;
- if(!collision_object_map(current))
+ if(!collision_object_map(*current))
break;
current->x = temp;
temp = current->y;
current->y = yt;
- if(!collision_object_map(current))
+ if(!collision_object_map(*current))
{
break;
}
else
{
current->y = temp;
- while(!collision_object_map(current))
+ while(!collision_object_map(*current))
current->y += yd;
current->y -= yd;
break;
*old = *current;
}
-void collision_handler()
+
+Tile* gettile(float x, float y)
{
- // CO_BULLET & CO_BADGUY check
- for(unsigned int i = 0; i < bullets.size(); ++i)
- {
- for(unsigned int j = 0; j < bad_guys.size(); ++j)
- {
- if(bad_guys[j].dying == DYING_NOT)
- {
- if(rectcollision(&bullets[i].base,&bad_guys[j].base))
- {
- // We have detected a collision and now call the
- // collision functions of the collided objects.
- bullet_collision(&bullets[i], CO_BADGUY);
- bad_guys[j].collision(&bullets[i], CO_BULLET);
- }
- }
- }
- }
+ return TileManager::instance()->get(World::current()->get_level()->gettileid(x, y));
+}
- /* CO_BADGUY & CO_BADGUY check */
- for(unsigned int i = 0; i < bad_guys.size(); ++i)
- {
- if(bad_guys[i].dying == DYING_NOT)
- {
- for(unsigned int j = i+1; j < bad_guys.size(); ++j)
- {
- if(j != i && !bad_guys[j].dying)
- {
- if(rectcollision(&bad_guys[i].base, &bad_guys[j].base))
- {
- // We have detected a collision and now call the
- // collision functions of the collided objects.
- bad_guys[j].collision(&bad_guys[i], CO_BADGUY);
- bad_guys[i].collision(&bad_guys[j], CO_BADGUY);
- }
- }
- }
- }
- }
+bool issolid(float x, float y)
+{
+ Tile* tile = gettile(x,y);
+ return tile && tile->solid;
+}
- // CO_BADGUY & CO_PLAYER check
- for(unsigned int i = 0; i < bad_guys.size(); ++i)
- {
- if(bad_guys[i].dying == DYING_NOT && rectcollision_offset(&bad_guys[i].base,&tux.base,0,0))
- {
- // We have detected a collision and now call the collision
- // functions of the collided objects.
- if (tux.previous_base.y < tux.base.y &&
- tux.previous_base.y + tux.previous_base.height < bad_guys[i].base.y + bad_guys[i].base.height/2 &&
- bad_guys[i].kind != BAD_MONEY && bad_guys[i].mode != HELD)
- {
- bad_guys[i].collision(&tux, CO_PLAYER);
- }
- else
- {
- tux.collision(&bad_guys[i], CO_BADGUY);
- }
- }
- }
+bool isbrick(float x, float y)
+{
+ Tile* tile = gettile(x,y);
+ return tile && tile->brick;
+}
- // CO_UPGRADE & CO_PLAYER check
- for(unsigned int i = 0; i < upgrades.size(); ++i)
- {
- if(rectcollision(&upgrades[i].base,&tux.base))
- {
- // We have detected a collision and now call the collision
- // functions of the collided objects.
- upgrade_collision(&upgrades[i], &tux, CO_PLAYER);
- }
- }
+bool isice(float x, float y)
+{
+ Tile* tile = gettile(x,y);
+ return tile && tile->ice;
+}
+bool isfullbox(float x, float y)
+{
+ Tile* tile = gettile(x,y);
+ return tile && tile->fullbox;
}
+bool isdistro(float x, float y)
+{
+ Tile* tile = gettile(x,y);
+ return tile && tile->distro;
+}
+
+/* EOF */
+