3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef COLLISION_HEADER
21 #define COLLISION_HEADER
23 #include "irrlichttypes_bloated.h"
39 enum CollisionType type;
40 v3s16 node_p; // COLLISION_NODE
47 node_p(-32768,-32768,-32768),
54 struct collisionMoveResult
59 bool standing_on_unloaded;
60 bool standing_on_object;
61 std::vector<CollisionInfo> collisions;
63 collisionMoveResult():
64 touching_ground(false),
67 standing_on_unloaded(false),
68 standing_on_object(false)
72 // Moves using a single iteration; speed should not exceed pos_max_d/dtime
73 collisionMoveResult collisionMoveSimple(Environment *env,IGameDef *gamedef,
74 f32 pos_max_d, const aabb3f &box_0,
75 f32 stepheight, f32 dtime,
76 v3f *pos_f, v3f *speed_f,
77 v3f accel_f, ActiveObject *self=NULL,
78 bool collideWithObjects=true);
81 // Checks for collision of a moving aabbox with a static aabbox
82 // Returns -1 if no collision, 0 if X collision, 1 if Y collision, 2 if Z collision
83 // dtime receives time until first collision, invalid if -1 is returned
84 int axisAlignedCollision(
85 const aabb3f &staticbox, const aabb3f &movingbox,
86 const v3f &speed, f32 d, f32 *dtime);
89 // Checks if moving the movingbox up by the given distance would hit a ceiling.
90 bool wouldCollideWithCeiling(
91 const std::vector<aabb3f> &staticboxes,
92 const aabb3f &movingbox,
93 f32 y_increase, f32 d);