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Custom boxy nodes (stairs, slabs) and collision changes

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Kahrl 2012-03-19 04:25:09 +01:00 • committed by Perttu Ahola
parent 9f031a6759
commit 1575448b1a
19 changed files with 1105 additions and 646 deletions
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36
src/collision.h
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@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define COLLISION_HEADER
#include "irrlichttypes_bloated.h"
#include <vector>
class Map;
class IGameDef;
@ -29,22 +30,47 @@ struct collisionMoveResult
{
bool touching_ground;
bool collides;
bool collides_xz;
bool standing_on_unloaded;
collisionMoveResult():
touching_ground(false),
collides(false)
collides(false),
collides_xz(false),
standing_on_unloaded(false)
{}
};
// Moves using a single iteration; speed should not exceed pos_max_d/dtime
collisionMoveResult collisionMoveSimple(Map *map, IGameDef *gamedef,
f32 pos_max_d, const core::aabbox3d<f32> &box_0,
f32 dtime, v3f &pos_f, v3f &speed_f);
f32 pos_max_d, const aabb3f &box_0,
f32 stepheight, f32 dtime,
v3f &pos_f, v3f &speed_f, v3f &accel_f);
#if 0
// This doesn't seem to work and isn't used
// Moves using as many iterations as needed
collisionMoveResult collisionMovePrecise(Map *map, IGameDef *gamedef,
f32 pos_max_d, const core::aabbox3d<f32> &box_0,
f32 dtime, v3f &pos_f, v3f &speed_f);
f32 pos_max_d, const aabb3f &box_0,
f32 stepheight, f32 dtime,
v3f &pos_f, v3f &speed_f, v3f &accel_f);
#endif
// Helper function:
// Checks for collision of a moving aabbox with a static aabbox
// Returns -1 if no collision, 0 if X collision, 1 if Y collision, 2 if Z collision
// dtime receives time until first collision, invalid if -1 is returned
int axisAlignedCollision(
const aabb3f &staticbox, const aabb3f &movingbox,
const v3f &speed, f32 d, f32 &dtime);
// Helper function:
// Checks if moving the movingbox up by the given distance would hit a ceiling.
bool wouldCollideWithCeiling(
const std::vector<aabb3f> &staticboxes,
const aabb3f &movingbox,
f32 y_increase, f32 d);
enum CollisionType
{