public override void Update()
{
if (Input.HasMouse)
{
ClickResult clickResult;
Utils.ScreenPositionToWorldPositionRaycast(Input.MousePosition, Camera, this.GetSimulation(), out clickResult);
var isMoving = (Input.IsMouseButtonDown(MouseButton.Left) && lastClickResult.Type == ClickType.Ground && clickResult.Type == ClickType.Ground);
var isHighlit = (!isMoving && clickResult.Type == ClickType.LootCrate);
// Character continuous moving
if (isMoving)
{
lastClickResult.WorldPosition = clickResult.WorldPosition;
MoveDestinationEventKey.Broadcast(lastClickResult);
}
// Object highlighting
if (isHighlit)
{
var modelComponentA = Highlight?.Get<ModelComponent>();
var modelComponentB = clickResult.ClickedEntity.Get<ModelComponent>();
if (modelComponentA != null && modelComponentB != null)
{
var materialCount = modelComponentB.Materials.Count;
modelComponentA.Model = modelComponentB.Model;
modelComponentA.Materials.Clear();
for (int i = 0; i < materialCount; i++)
modelComponentA.Materials.Add(i, HighlightMaterial);
modelComponentA.Entity.Transform.UseTRS = false;
modelComponentA.Entity.Transform.LocalMatrix = modelComponentB.Entity.Transform.WorldMatrix;
}
}
else
{
var modelComponentA = Highlight?.Get<ModelComponent>();
if (modelComponentA != null)
modelComponentA.Entity.Transform.LocalMatrix = Matrix.Scaling(0);
}
}
// Mouse-based camera rotation. Only enabled after you click the screen to lock your cursor, pressing escape cancels this
foreach (var pointerEvent in Input.PointerEvents.Where(x => x.State == PointerState.Down))
{
ClickResult clickResult;
if (Utils.ScreenPositionToWorldPositionRaycast(pointerEvent.Position, Camera, this.GetSimulation(),
out clickResult))
{
lastClickResult = clickResult;
MoveDestinationEventKey.Broadcast(clickResult);
if (ClickEffect != null && clickResult.Type == ClickType.Ground)
{
this.SpawnPrefabInstance(ClickEffect, null, 1.2f, Matrix.RotationQuaternion(Quaternion.BetweenDirections(Vector3.UnitY, clickResult.HitResult.Normal)) * Matrix.Translation(clickResult.WorldPosition));
}
}
}
}
public static bool ScreenPositionToWorldPositionRaycast(Vector2 screenPos, CameraComponent camera, Simulation simulation, out ClickResult clickResult)
{
Matrix invViewProj = Matrix.Invert(camera.ViewProjectionMatrix);
Vector3 sPos;
sPos.X = screenPos.X * 2f - 1f;
sPos.Y = 1f - screenPos.Y * 2f;
sPos.Z = 0f;
var vectorNear = Vector3.Transform(sPos, invViewProj);
vectorNear /= vectorNear.W;
sPos.Z = 1f;
var vectorFar = Vector3.Transform(sPos, invViewProj);
vectorFar /= vectorFar.W;
clickResult.ClickedEntity = null;
clickResult.WorldPosition = Vector3.Zero;
clickResult.Type = ClickType.Empty;
clickResult.HitResult = new HitResult();
var minDistance = float.PositiveInfinity;
var result = new FastList <HitResult>();
simulation.RaycastPenetrating(vectorNear.XYZ(), vectorFar.XYZ(), result);
foreach (var hitResult in result)
{
ClickType type = ClickType.Empty;
var staticBody = hitResult.Collider as StaticColliderComponent;
if (staticBody != null)
{
if (staticBody.CollisionGroup == CollisionFilterGroups.CustomFilter1)
{
type = ClickType.Ground;
}
if (staticBody.CollisionGroup == CollisionFilterGroups.CustomFilter2)
{
type = ClickType.LootCrate;
}
if (type != ClickType.Empty)
{
var distance = (vectorNear.XYZ() - hitResult.Point).LengthSquared();
if (distance < minDistance)
{
minDistance = distance;
clickResult.Type = type;
clickResult.HitResult = hitResult;
clickResult.WorldPosition = hitResult.Point;
clickResult.ClickedEntity = hitResult.Collider.Entity;
}
}
}
}
return(clickResult.Type != ClickType.Empty);
}
public static bool ScreenPositionToWorldPositionRaycast(Vector2 screenPos, CameraComponent camera, Simulation simulation, out ClickResult clickResult)
{
Matrix invViewProj = Matrix.Invert(camera.ViewProjectionMatrix);
Vector3 sPos;
sPos.X = screenPos.X * 2f - 1f;
sPos.Y = 1f - screenPos.Y * 2f;
sPos.Z = 0f;
var vectorNear = Vector3.Transform(sPos, invViewProj);
vectorNear /= vectorNear.W;
sPos.Z = 1f;
var vectorFar = Vector3.Transform(sPos, invViewProj);
vectorFar /= vectorFar.W;
clickResult.ClickedEntity = null;
clickResult.WorldPosition = Vector3.Zero;
clickResult.Type = ClickType.Empty;
clickResult.HitResult = new HitResult();
var minDistance = float.PositiveInfinity;
var result = simulation.RaycastPenetrating(vectorNear.XYZ(), vectorFar.XYZ());
foreach (var hitResult in result)
{
ClickType type = ClickType.Empty;
var staticBody = hitResult.Collider as StaticColliderComponent;
if (staticBody != null)
{
if (staticBody.CollisionGroup == CollisionFilterGroups.CustomFilter1)
type = ClickType.Ground;
if (staticBody.CollisionGroup == CollisionFilterGroups.CustomFilter2)
type = ClickType.LootCrate;
if (type != ClickType.Empty)
{
var distance = (vectorNear.XYZ() - hitResult.Point).LengthSquared();
if (distance < minDistance)
{
minDistance = distance;
clickResult.Type = type;
clickResult.HitResult = hitResult;
clickResult.WorldPosition = hitResult.Point;
clickResult.ClickedEntity = hitResult.Collider.Entity;
}
}
}
}
return (clickResult.Type != ClickType.Empty);
}
