private ICompensationWorld CreateWorld(DefaultBulletSegment segment)
{
var serverTime = segment.ServerTime;
ICompensationWorld world;
if (!_compensationWorlds.ContainsKey(serverTime))
{
world = _compensationWorldFactory.CreateCompensationWorld(serverTime);
if (world == null)
{
_logger.ErrorFormat("create compensation world at time {0}, FAILED", segment.ServerTime);
segment.BulletEntity.IsValid = false;
}
else
{
_logger.DebugFormat("create compensation world at time {0}, SUCC", serverTime);
_compensationWorlds[serverTime] = world;
_compensationWorldList.Add(world);
}
}
else
{
world = _compensationWorlds[serverTime];
}
if (world == null)
{
return(null);
}
world.Self = segment.BulletEntity.OwnerEntityKey;
world.ExcludePlayerList = segment.BulletEntity.ExcludePlayerList;
return(world);
}
private void OldBulletHit(int cmdSeq, DefaultBulletSegment segment, ICompensationWorld world)
{
RaycastHit camDirHit;
if (world.Raycast(segment.RaySegment, out camDirHit, _hitboxLayerMask))
{
_bulletHitHandler.OnHit(cmdSeq, segment.BulletEntity, camDirHit, world);
}
}
public void MoveBullet(IBulletEntity bulletEntity, int renderTime,
List <DefaultBulletSegment> allBulletSegments)
{
if (renderTime < bulletEntity.NextFrameTime)
{
return;
}
var origin = bulletEntity.Origin;
var velocity = bulletEntity.Velocity;
var gravity = bulletEntity.Gravity;
var velocityDecay = bulletEntity.VelocityDecay;
var distance = bulletEntity.Distance;
float interval = (renderTime - bulletEntity.ServerTime) / 1000.0f;
Vector3 oldOrigin = origin;
// O(1) = O(0) + V(0) * t;
origin.x = origin.x + velocity.x * interval;
origin.y = origin.y + velocity.y * interval;
origin.z = origin.z + velocity.z * interval;
if (DebugConfig.DrawBulletLine)
{
RuntimeDebugDraw.Draw.DrawLine(oldOrigin, origin, Color.blue, 60f);
Debug.DrawLine(oldOrigin, origin, Color.red, 60f);
}
// V(1) = V(0) + a * t
Vector3 v = velocity;
v.y = v.y - gravity * interval;
v = v * Mathf.Pow(velocityDecay, interval);
velocity = v;
RaySegment raySegment = new RaySegment();
raySegment.Ray.origin = oldOrigin;
var direction = origin - oldOrigin;
raySegment.Ray.direction = direction;
raySegment.Length = direction.magnitude;
distance += raySegment.Length;
_logger.DebugFormat("move bullet velocity {0}, direction {1}, distance {2}, total distance {3}, interval {4}, move {5} -> {6}, stepinterval {7}",
velocity, direction, raySegment.Length, distance, interval, oldOrigin, origin, _stepInterval);
DefaultBulletSegment segment = DefaultBulletSegment.Allocate(renderTime, raySegment, bulletEntity);
allBulletSegments.Add(segment);
if (Mathf.Approximately(v.magnitude, 0))
{
bulletEntity.IsValid = false;
_logger.ErrorFormat("bullet velocity is zero, set to invalid");
}
bulletEntity.Origin = origin;
bulletEntity.ServerTime = renderTime;
bulletEntity.Velocity = velocity;
bulletEntity.Distance = distance;
bulletEntity.NextFrameTime = renderTime + _stepInterval;
}
private void NewBulletHit(int cmdSeq, DefaultBulletSegment segment, ICompensationWorld world)
{
RaycastHit camDirHit;
segment.BulletEntity.IsNew = false;
RaycastHit gunDirHit;
var camRaySegment = segment.RaySegment;
bool checkGunDirObstacle = false;
while (segment.BulletEntity.IsValid &&
world.Raycast(camRaySegment, out camDirHit, _hitboxLayerMask))
{
if (!checkGunDirObstacle)
{
checkGunDirObstacle = true;
//如果击中物体，从枪口向击中位置做检测，如果有物体，则使用枪口方向的结果
var startPosition = segment.BulletEntity.GunEmitPosition;
var target = camDirHit.point;
var dir = target - startPosition;
var blockCheckSegment = new RaySegment()
{
Length = Vector3.Distance(target, startPosition) - RaycastStepOffset,
Ray = new Ray(startPosition, dir.normalized),
};
while (segment.BulletEntity.IsValid &&
world.Raycast(blockCheckSegment, out gunDirHit,
_hitboxLayerMask))
{
_bulletHitHandler.OnHit(cmdSeq, segment.BulletEntity, gunDirHit, world);
blockCheckSegment.Ray.origin =
gunDirHit.point + blockCheckSegment.Ray.direction * RaycastStepOffset;
}
}
if (segment.BulletEntity.IsValid)
{
_bulletHitHandler.OnHit(cmdSeq, segment.BulletEntity, camDirHit, world);
camRaySegment.Ray.origin =
camDirHit.point + camRaySegment.Ray.direction * RaycastStepOffset;
}
}
if (segment.BulletEntity.IsValid)
{
if (!checkGunDirObstacle)
{
//如果没有击中物体，从枪口向第一帧末子弹到达的位置做检测，如果有物体，使用枪口方向的结果
var startPosition = segment.BulletEntity.GunEmitPosition;
var target = segment.RaySegment.Ray.direction * segment.RaySegment.Length +
segment.RaySegment.Ray.origin;
var dir = target - startPosition;
var blockCheckSegment = new RaySegment()
{
Length = Vector3.Distance(target, startPosition) - RaycastStepOffset,
Ray = new Ray(startPosition, dir.normalized),
};
while (segment.BulletEntity.IsValid &&
world.Raycast(blockCheckSegment, out gunDirHit,
_hitboxLayerMask))
{
checkGunDirObstacle = true;
_bulletHitHandler.OnHit(cmdSeq, segment.BulletEntity, gunDirHit, world);
blockCheckSegment.Ray.origin =
gunDirHit.point + blockCheckSegment.Ray.direction * RaycastStepOffset;
}
}
}
}
