public void Tick()
{
currentTick += 1;
// Call OnCreate on each new entity.
while (new_entities.Count != 0)
{
var e = new_entities[new_entities.Count - 1];
new_entities.RemoveAt(new_entities.Count - 1);
e.OnCreate();
_entities.Add(e);
eventListener.EntityCreated(e);
}
// OnTick.
foreach (var e in entities)
{
e.OnTick();
}
// Perform collision detection.
for (var i = 0; i < colliders.Count; i += 1)
{
var ci = colliders[i];
var i_bot = ci.entity.position.y;
var i_top = i_bot + ci.height;
for (var j = i + 1; j < colliders.Count; j += 1)
{
var cj = colliders[j];
var j_bot = cj.entity.position.y;
var j_top = j_bot + cj.height;
var size = ci.radius + cj.radius;
var dist_sqr = map.DistanceSqr(ci.entity.position, cj.entity.position);
if (dist_sqr > size * size)
{
continue;
}
if (DReal.Max(i_bot, j_bot) > DReal.Min(i_top, j_top))
{
continue;
}
ci.entity.OnCollision(cj.entity);
cj.entity.OnCollision(ci.entity);
}
}
// Call OnDestroy on each dead entity.
while (dead_entities.Count != 0)
{
var e = dead_entities[dead_entities.Count - 1];
dead_entities.RemoveAt(dead_entities.Count - 1);
if (new_entities.Contains(e))
{
new_entities.Remove(e);
}
else
{
e.OnDestroy();
_entities.Remove(e);
eidToEntityMap.Remove(e.eid);
eventListener.EntityDestroyed(e);
}
}
}
public List <DVector3> BuildPath(DVector3 origin, DVector3 dest)
{
var orig_dest = dest;
origin = new DVector3(((int)origin.x / granularity) * granularity, 0, ((int)origin.z / granularity) * granularity);
dest = new DVector3(((int)dest.x / granularity) * granularity, 0, ((int)dest.z / granularity) * granularity);
var open_set = new List <DVector3>();
var closed_set = new HashSet <DVector3>();
var g_score = new Dictionary <DVector3, DReal>();
var f_score = new Dictionary <DVector3, DReal>();
var came_from = new Dictionary <DVector3, DVector3>();
var ops = 0;
var origin_reach = Reachability(origin);
var dest_reach = Reachability(dest);
UnityEngine.Debug.Log(string.Format("Gen path from {0}/{1} to {2}/{3}", origin, origin_reach, dest, dest_reach));
if (!passable(dest) || origin_reach != dest_reach)
{
return(null);
}
open_set.Add(origin);
g_score[origin] = 0;
f_score[origin] = map.DistanceSqr(origin, dest);
while (open_set.Count != 0)
{
ops += 1;
if (ops > 1000)
{
UnityEngine.Debug.Log("Path too long!");
return(null);
}
var current = remove_best(open_set, f_score);
if (current == dest)
{
var path = new List <DVector3>();
while (came_from.ContainsKey(current))
{
// Try to path through the middle of the map square.
path.Add(current + new DVector3(1, 1, 1) * (DReal)granularity / 2);
current = came_from[current];
}
path.Reverse();
if (path.Count != 0)
{
path.RemoveAt(path.Count - 1);
}
path.Add(orig_dest);
return(path);
}
closed_set.Add(current);
foreach (var n in neighbors(current))
{
if (!passable(n))
{
continue;
}
if (closed_set.Contains(n))
{
continue;
}
if (!open_set.Contains(n))
{
open_set.Add(n);
g_score.Add(n, DReal.MaxValue);
f_score.Add(n, DReal.MaxValue);
}
var tentative_g_score = g_score[current] + map.DistanceSqr(current, n);
if (tentative_g_score >= g_score[n])
{
continue;
}
came_from[n] = current;
g_score[n] = tentative_g_score;
f_score[n] = tentative_g_score + map.DistanceSqr(dest, n);
}
}
return(null);
}
