private void RemoveDeadEntities()
{
this._deadEntities.Clear();
try
{
foreach (MapEntity e in this.Entities)
{
MapEntity ed = e;
if (ed.IsDead)
{
_deadEntities.Add(ed);
}
ed = null;
}
}
catch (Exception e)
{
return;
}
foreach (MapEntity e in this._deadEntities)
{
MapEntity ed = e;
this.Entities.Remove(ed);
ed = null;
}
this._deadEntities.Clear();
}
public virtual object Clone()
{
MapEntity e = (MapEntity)this.MemberwiseClone();
e.Model = (GameModel.Model) this.Model.Clone();
return(e);
}
/// <summary>
/// Drops the entity if it is not flying and or sticks it to the terrain
/// </summary>
/// <param name="e">Entity</param>
/// <param name="dT">Time amount</param>
private void SetGravity(MapEntity e, float dT)
{
if (e.Gravity && !e.OnGround)
{
//non-flying and not stuck to terrain
e.VerticalSpeed -= GravityAcceleration * dT;
}
else
{
//for now set to 0, eventually only do it for stuck entities - fliers may use this
e.VerticalSpeed = 0;
}
float h = 0.0f;
float len = 0.2f;
//get the horisontal angle in rad
Matrix yaw = Matrix.CreateRotationY(-e.Heading * (float)Math.PI / 180f);
//center point height
h = Terrain.GetHeight(e.Position.Truncate(), e.Position.Reference());
//sample a cross shape of heights around centre to determine tilting for entities that follow terrain curve
WorldPosition fp = e.Position + Vector3.Transform(new Vector3(0.1f, 0, 0), yaw);
WorldPosition bp = e.Position + Vector3.Transform(new Vector3(-0.1f, 0, 0), yaw);
WorldPosition lp = e.Position + Vector3.Transform(new Vector3(0, 0, -0.1f), yaw);
WorldPosition rp = e.Position + Vector3.Transform(new Vector3(0, 0, 0.1f), yaw);
float f, b, l, r;
f = Terrain.GetHeight(fp.Truncate(), fp.Reference());
b = Terrain.GetHeight(bp.Truncate(), bp.Reference());
l = Terrain.GetHeight(lp.Truncate(), lp.Reference());
r = Terrain.GetHeight(rp.Truncate(), rp.Reference());
//if entity is lower than terrain, set it to terrain
if (e.Position.Y < h)
{
e.Position.Y = h;
e.Pitch = MathHelper.ToDegrees((float)Math.Atan2((f - b), len));
e.Roll = MathHelper.ToDegrees((float)Math.Atan2((l - r), len));
e.OnGround = true;
}
//if entity is stuck to ground, keep it stuck and aligned
else if (e.OnGround)
{
e.Position.Y = h;
e.Pitch = MathHelper.ToDegrees((float)Math.Atan2((f - b), len));
e.Roll = MathHelper.ToDegrees((float)Math.Atan2((l - r), len));
}
//anything else
else
{
e.Roll = 0;
e.Pitch = 0;
e.OnGround = false;
}
//reset if not sticking to terrain: #TODO refactor the branching so we don't have to do it
if (!e.StickToTerrainCurvature)
{
e.Roll = 0;
e.Pitch = 0;
}
}
public void Render(GraphicsDevice device, float dT, Vector2 Reference, bool Alpha)
{
BoundingFrustum F = new BoundingFrustum(Camera.GetView() * Camera.GetProjection(device));
MapEntity[] cpy;
cpy = new MapEntity[Entities.Count];
Entities.CopyTo(0, cpy, 0, cpy.Length);
for (int i = 0; i < cpy.Length; i++)
{
MapEntity e = cpy[i];
if (e == null)
{
continue;
}
e.Render(device, dT, Camera.Position.Reference(), false);
}
Player.Render(device, dT, Camera.Position.Reference(), false);
Terrain.Render(device, dT, Camera.Position.Reference(), F);
/*
* BlendState b = new BlendState();
* b.AlphaBlendFunction = BlendFunction.Add;
* b.AlphaDestinationBlend = Blend.One;
* b.AlphaSourceBlend = Blend.SourceAlpha;
* b.ColorBlendFunction = BlendFunction.Max;
* //*/
device.DepthStencilState = DepthStencilState.DepthRead;
//device.BlendState = BlendState.AlphaBlend;
device.BlendState = BlendState.Additive;
//device.BlendState = BlendState.NonPremultiplied;
//device.BlendState = b;
for (int i = 0; i < cpy.Length; i++)
{
MapEntity e = cpy[i];
if (e == null)
{
continue;
}
e.Render(device, dT, Camera.Position.Reference(), true);
}
Player.Render(device, dT, Camera.Position.Reference(), true);
device.DepthStencilState = DepthStencilState.Default;
device.BlendState = BlendState.Opaque;
device = null;
cpy = null;
}
private void SetGravity(MapEntity e, float dT)
{
if (e.Gravity && !e.OnGround)
{
e.VerticalSpeed -= GravityAcceleration * dT;
}
else
{
e.VerticalSpeed = 0;
}
float h = 0.0f;
float len = 0.2f;
Matrix yaw = Matrix.CreateRotationY(-e.Heading * (float)Math.PI / 180f);
h = Terrain.GetHeight(e.Position.Truncate(), e.Position.Reference());
WorldPosition fp = e.Position + Vector3.Transform(new Vector3(0.1f, 0, 0), yaw);
WorldPosition bp = e.Position + Vector3.Transform(new Vector3(-0.1f, 0, 0), yaw);
WorldPosition lp = e.Position + Vector3.Transform(new Vector3(0, 0, -0.1f), yaw);
WorldPosition rp = e.Position + Vector3.Transform(new Vector3(0, 0, 0.1f), yaw);
float f, b, l, r;
f = Terrain.GetHeight(fp.Truncate(), fp.Reference());
b = Terrain.GetHeight(bp.Truncate(), bp.Reference());
l = Terrain.GetHeight(lp.Truncate(), lp.Reference());
r = Terrain.GetHeight(rp.Truncate(), rp.Reference());
if (e.Position.Y < h)
{
e.Position.Y = h;
e.Pitch = MathHelper.ToDegrees((float)Math.Atan2((f - b), len));
e.Roll = MathHelper.ToDegrees((float)Math.Atan2((l - r), len));
e.OnGround = true;
}
else if (e.OnGround)
{
e.Position.Y = h;
e.Pitch = MathHelper.ToDegrees((float)Math.Atan2((f - b), len));
e.Roll = MathHelper.ToDegrees((float)Math.Atan2((l - r), len));
}
else
{
e.OnGround = false;
}
}
private void RemoveDeadEntities()
{
this._deadEntities.Clear();
foreach (MapEntity e in this.Entities)
{
MapEntity ed = e;
if (ed.IsDead)
{
_deadEntities.Add(ed);
}
ed = null;
}
foreach (MapEntity e in this._deadEntities)
{
MapEntity ed = e;
this.Entities.Remove(ed);
ed = null;
}
this._deadEntities.Clear();
}
public void Aim(MapEntity e, bool flatten = true)
{
Aim(e.Position + TargetOffset, flatten);
}
public List <MapEntity> LocateNearby(MapEntity Target)
{
List <MapEntity> results = this.Entities.FindAll(e => !e.IsDead && e.Position.BX > Target.Position.BX - 2 && e.Position.BX <Target.Position.BX + 2 && e.Position.BY> Target.Position.BY - 2 && e.Position.BY < Target.Position.BY + 2).ToList();
return(results);
}
