#include "nodedef.h"
#include "gamedef.h"
#include "log.h"
+#include "environment.h"
+#include "serverobject.h"
#include <vector>
+#include <set>
#include "util/timetaker.h"
#include "main.h" // g_profiler
#include "profiler.h"
+// float error is 10 - 9.96875 = 0.03125
+//#define COLL_ZERO 0.032 // broken unit tests
+#define COLL_ZERO 0
+
// 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
{
//TimeTaker tt("axisAlignedCollision");
- f32 xsize = (staticbox.MaxEdge.X - staticbox.MinEdge.X);
- f32 ysize = (staticbox.MaxEdge.Y - staticbox.MinEdge.Y);
- f32 zsize = (staticbox.MaxEdge.Z - staticbox.MinEdge.Z);
+ f32 xsize = (staticbox.MaxEdge.X - staticbox.MinEdge.X) - COLL_ZERO; // reduce box size for solve collision stuck (flying sand)
+ f32 ysize = (staticbox.MaxEdge.Y - staticbox.MinEdge.Y); // - COLL_ZERO; // Y - no sense for falling, but maybe try later
+ f32 zsize = (staticbox.MaxEdge.Z - staticbox.MinEdge.Z) - COLL_ZERO;
aabb3f relbox(
movingbox.MinEdge.X - staticbox.MinEdge.X,
{
dtime = - relbox.MaxEdge.X / speed.X;
if((relbox.MinEdge.Y + speed.Y * dtime < ysize) &&
- (relbox.MaxEdge.Y + speed.Y * dtime > 0) &&
+ (relbox.MaxEdge.Y + speed.Y * dtime > COLL_ZERO) &&
(relbox.MinEdge.Z + speed.Z * dtime < zsize) &&
- (relbox.MaxEdge.Z + speed.Z * dtime > 0))
+ (relbox.MaxEdge.Z + speed.Z * dtime > COLL_ZERO))
return 0;
}
else if(relbox.MinEdge.X > xsize)
{
dtime = (xsize - relbox.MinEdge.X) / speed.X;
if((relbox.MinEdge.Y + speed.Y * dtime < ysize) &&
- (relbox.MaxEdge.Y + speed.Y * dtime > 0) &&
+ (relbox.MaxEdge.Y + speed.Y * dtime > COLL_ZERO) &&
(relbox.MinEdge.Z + speed.Z * dtime < zsize) &&
- (relbox.MaxEdge.Z + speed.Z * dtime > 0))
+ (relbox.MaxEdge.Z + speed.Z * dtime > COLL_ZERO))
return 0;
}
else if(relbox.MaxEdge.X < 0)
{
dtime = - relbox.MaxEdge.Y / speed.Y;
if((relbox.MinEdge.X + speed.X * dtime < xsize) &&
- (relbox.MaxEdge.X + speed.X * dtime > 0) &&
+ (relbox.MaxEdge.X + speed.X * dtime > COLL_ZERO) &&
(relbox.MinEdge.Z + speed.Z * dtime < zsize) &&
- (relbox.MaxEdge.Z + speed.Z * dtime > 0))
+ (relbox.MaxEdge.Z + speed.Z * dtime > COLL_ZERO))
return 1;
}
else if(relbox.MinEdge.Y > ysize)
{
dtime = (ysize - relbox.MinEdge.Y) / speed.Y;
if((relbox.MinEdge.X + speed.X * dtime < xsize) &&
- (relbox.MaxEdge.X + speed.X * dtime > 0) &&
+ (relbox.MaxEdge.X + speed.X * dtime > COLL_ZERO) &&
(relbox.MinEdge.Z + speed.Z * dtime < zsize) &&
- (relbox.MaxEdge.Z + speed.Z * dtime > 0))
+ (relbox.MaxEdge.Z + speed.Z * dtime > COLL_ZERO))
return 1;
}
else if(relbox.MaxEdge.Y < 0)
{
dtime = - relbox.MaxEdge.Z / speed.Z;
if((relbox.MinEdge.X + speed.X * dtime < xsize) &&
- (relbox.MaxEdge.X + speed.X * dtime > 0) &&
+ (relbox.MaxEdge.X + speed.X * dtime > COLL_ZERO) &&
(relbox.MinEdge.Y + speed.Y * dtime < ysize) &&
- (relbox.MaxEdge.Y + speed.Y * dtime > 0))
+ (relbox.MaxEdge.Y + speed.Y * dtime > COLL_ZERO))
return 2;
}
//else if(relbox.MinEdge.Z > zsize)
{
dtime = (zsize - relbox.MinEdge.Z) / speed.Z;
if((relbox.MinEdge.X + speed.X * dtime < xsize) &&
- (relbox.MaxEdge.X + speed.X * dtime > 0) &&
+ (relbox.MaxEdge.X + speed.X * dtime > COLL_ZERO) &&
(relbox.MinEdge.Y + speed.Y * dtime < ysize) &&
- (relbox.MaxEdge.Y + speed.Y * dtime > 0))
+ (relbox.MaxEdge.Y + speed.Y * dtime > COLL_ZERO))
return 2;
}
//else if(relbox.MaxEdge.Z < 0)
}
-collisionMoveResult collisionMoveSimple(Map *map, IGameDef *gamedef,
+collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
f32 pos_max_d, const aabb3f &box_0,
f32 stepheight, f32 dtime,
- v3f &pos_f, v3f &speed_f, v3f &accel_f)
+ v3f &pos_f, v3f &speed_f,
+ v3f &accel_f,ActiveObject* self,
+ bool collideWithObjects)
{
+ Map *map = &env->getMap();
//TimeTaker tt("collisionMoveSimple");
ScopeProfiler sp(g_profiler, "collisionMoveSimple avg", SPT_AVG);
}
speed_f += accel_f * dtime;
- // If there is no speed, there are no collisions
+ // If there is no speed, there are no collisions
if(speed_f.getLength() == 0)
return result;
+ // Limit speed for avoiding hangs
+ speed_f.Y=rangelim(speed_f.Y,-5000,5000);
+ speed_f.X=rangelim(speed_f.X,-5000,5000);
+ speed_f.Z=rangelim(speed_f.Z,-5000,5000);
+
/*
Collect node boxes in movement range
*/
std::vector<aabb3f> cboxes;
std::vector<bool> is_unloaded;
std::vector<bool> is_step_up;
+ std::vector<bool> is_object;
std::vector<int> bouncy_values;
std::vector<v3s16> node_positions;
{
is_step_up.push_back(false);
bouncy_values.push_back(n_bouncy_value);
node_positions.push_back(p);
+ is_object.push_back(false);
}
}
catch(InvalidPositionException &e)
is_step_up.push_back(false);
bouncy_values.push_back(0);
node_positions.push_back(p);
+ is_object.push_back(false);
}
}
} // tt2
+ if(collideWithObjects)
+ {
+ ScopeProfiler sp(g_profiler, "collisionMoveSimple objects avg", SPT_AVG);
+ //TimeTaker tt3("collisionMoveSimple collect object boxes");
+
+ /* add object boxes to cboxes */
+
+
+ std::list<ActiveObject*> objects;
+#ifndef SERVER
+ ClientEnvironment *c_env = dynamic_cast<ClientEnvironment*>(env);
+ if (c_env != 0)
+ {
+ f32 distance = speed_f.getLength();
+ std::vector<DistanceSortedActiveObject> clientobjects;
+ c_env->getActiveObjects(pos_f,distance * 1.5,clientobjects);
+ for (size_t i=0; i < clientobjects.size(); i++)
+ {
+ if ((self == 0) || (self != clientobjects[i].obj)) {
+ objects.push_back((ActiveObject*)clientobjects[i].obj);
+ }
+ }
+ }
+ else
+#endif
+ {
+ ServerEnvironment *s_env = dynamic_cast<ServerEnvironment*>(env);
+ if (s_env != 0)
+ {
+ f32 distance = speed_f.getLength();
+ std::set<u16> s_objects = s_env->getObjectsInsideRadius(pos_f,distance * 1.5);
+ for (std::set<u16>::iterator iter = s_objects.begin(); iter != s_objects.end(); iter++)
+ {
+ ServerActiveObject *current = s_env->getActiveObject(*iter);
+ if ((self == 0) || (self != current)) {
+ objects.push_back((ActiveObject*)current);
+ }
+ }
+ }
+ }
+
+ for (std::list<ActiveObject*>::const_iterator iter = objects.begin();iter != objects.end(); ++iter)
+ {
+ ActiveObject *object = *iter;
+
+ if (object != NULL)
+ {
+ aabb3f object_collisionbox;
+ if (object->getCollisionBox(&object_collisionbox) &&
+ object->collideWithObjects())
+ {
+ cboxes.push_back(object_collisionbox);
+ is_unloaded.push_back(false);
+ is_step_up.push_back(false);
+ bouncy_values.push_back(0);
+ node_positions.push_back(v3s16(0,0,0));
+ is_object.push_back(true);
+ }
+ }
+ }
+ } //tt3
+
assert(cboxes.size() == is_unloaded.size());
assert(cboxes.size() == is_step_up.size());
assert(cboxes.size() == bouncy_values.size());
assert(cboxes.size() == node_positions.size());
+ assert(cboxes.size() == is_object.size());
/*
Collision detection
is_collision = false;
CollisionInfo info;
- info.type = COLLISION_NODE;
+ if (is_object[nearest_boxindex]) {
+ info.type = COLLISION_OBJECT;
+ }
+ else {
+ info.type = COLLISION_NODE;
+ }
info.node_p = node_positions[nearest_boxindex];
info.bouncy = bouncy;
info.old_speed = speed_f;
projects / oweals / minetest.git / blobdiff