private void ComputeEndpoints()
{
m_startNavRef = m_navMesh.ComputeNavRefAtPoint(m_startPosition);
m_endNavRef = m_navMesh.ComputeNavRefAtPoint(m_endPosition);
if (m_startNavRef.IsValid)
{
if (m_endNavRef.IsValid)
{
if (m_navMesh.AreNavRefsConnected(m_startNavRef, m_endNavRef))
{
if (m_startNavRef.Equals(m_endNavRef))
{
// We can head directly to the destination
m_finalPath.Add(new PathStep(m_startNavRef, m_startPosition));
m_finalPath.Add(new PathStep(m_endNavRef, m_endPosition));
m_state = eState.complete;
}
else
{
// We have to do the expensive query
m_state = eState.setup_raw_path;
}
}
else
{
m_state = eState.complete;
m_resultCode = eResult.failed_start_off_nav_mesh;
}
}
else
{
m_state = eState.complete;
m_resultCode = eResult.failed_end_off_nav_mesh;
}
}
else
{
m_state = eState.complete;
m_resultCode = eResult.failed_start_off_nav_mesh;
}
}
private void UpdateCurrentNavRef()
{
SessionData sessionData = SessionData.GetInstance();
GameData gameData = sessionData.CurrentGameData;
RoomData roomData = gameData.GetCachedRoomData(gameData.CurrentRoomKey);
if (roomData != null)
{
AsyncRPGSharedLib.Navigation.NavMesh navMesh = roomData.StaticRoomData.NavMesh;
Point2d pixelPoint = WidgetEventDispatcher.GetMousePosition();
Point3d roomPoint = GameConstants.ConvertPixelPositionToRoomPosition(pixelPoint);
m_currentNavRef = navMesh.ComputeNavRefAtPoint(roomPoint);
}
}
// Utilities
public bool IsWorldPointOnNavMesh(Point3d testPoint)
{
GameData gameData = CurrentGame;
RoomData roomData = gameData.GetCachedRoomData(gameData.CurrentRoomKey);
bool pointOnNavMesh = false;
if (roomData != null)
{
AsyncRPGSharedLib.Navigation.NavMesh navMesh = roomData.StaticRoomData.NavMesh;
NavRef navRef = navMesh.ComputeNavRefAtPoint(testPoint);
if (navRef != null && navRef.IsValid)
{
pointOnNavMesh = true;
}
}
return(pointOnNavMesh);
}
private void DebugDrawTestVisibility()
{
int characterID = _gameWorldController.Model.CurrentCharacterID;
RoomKey roomKey = _gameWorldController.Model.CurrentGame.CurrentRoomKey;
CharacterEntity entity = _gameWorldController.Model.GetCharacterEntity(characterID);
if (entity != null)
{
Point3d startWorldPos = entity.Position;
Point2d endPixelPos = GetMousePixelPosition();
Point3d endWorldPos = GameConstants.ConvertPixelPositionToRoomPosition(endPixelPos);
// Draw the target nav cell
AsyncRPGSharedLib.Navigation.NavMesh navMesh = PathfindingSystem.GetNavMesh(roomKey);
if (navMesh != null)
{
NavRef startNavRef = navMesh.ComputeNavRefAtPoint(startWorldPos);
NavRef endNavRef = navMesh.ComputeNavRefAtPoint(endWorldPos);
if (startNavRef.IsValid && endNavRef.IsValid)
{
bool canSee = navMesh.NavRefCanSeeOtherNavRef(startNavRef, endNavRef);
Color debugColor = canSee ? Color.green : Color.red;
// Draw a box around the nav cell
{
Point3d endCenterWorldPos = navMesh.ComputeNavCellCenter((uint)endNavRef.NavCellIndex);
Point2d endCenterPixelPos = GameConstants.ConvertRoomPositionToPixelPosition(endCenterWorldPos);
float halfWidth = (float)GameConstants.NAV_MESH_PIXEL_SIZE / 2.0f;
Vector3 boxUL =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
endCenterPixelPos.x - halfWidth, endCenterPixelPos.y - halfWidth, 0.0f);
Vector3 boxUR =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
endCenterPixelPos.x + halfWidth, endCenterPixelPos.y - halfWidth, 0.0f);
Vector3 boxLR =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
endCenterPixelPos.x + halfWidth, endCenterPixelPos.y + halfWidth, 0.0f);
Vector3 boxLL =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
endCenterPixelPos.x - halfWidth, endCenterPixelPos.y + halfWidth, 0.0f);
Debug.DrawLine(boxUL, boxUR, debugColor);
Debug.DrawLine(boxUR, boxLR, debugColor);
Debug.DrawLine(boxLR, boxLL, debugColor);
Debug.DrawLine(boxLL, boxUL, debugColor);
}
// Update the visibility status label
_visibilityStatusLabel.Text = canSee ? "VISIBLE" : "INVISIBLE";
_visibilityStatusLabel.SetLocalPosition(endPixelPos.x, endPixelPos.y);
_visibilityStatusLabel.Color = debugColor;
_visibilityStatusLabel.Visible = true;
// Render the ray-cast line
{
Vector3 startVertex = ClientGameConstants.ConvertRoomPositionToVertexPosition(startWorldPos);
Vector3 endVertex = ClientGameConstants.ConvertRoomPositionToVertexPosition(endWorldPos);
Debug.DrawLine(startVertex, endVertex, debugColor);
}
}
}
}
}
private void DebugDrawTestPath()
{
int characterID = _gameWorldController.Model.CurrentCharacterID;
RoomKey roomKey = _gameWorldController.Model.CurrentGame.CurrentRoomKey;
CharacterEntity entity = _gameWorldController.Model.GetCharacterEntity(characterID);
if (entity != null)
{
Point2d mousePixelPos = GetMousePixelPosition();
Point3d mouseWorldPos = GameConstants.ConvertPixelPositionToRoomPosition(mousePixelPos);
// Draw the target nav cell
string targetLabel = "";
AsyncRPGSharedLib.Navigation.NavMesh navMesh = PathfindingSystem.GetNavMesh(roomKey);
if (navMesh != null)
{
NavRef navRef = navMesh.ComputeNavRefAtPoint(mouseWorldPos);
if (navRef.IsValid)
{
Point3d centerWorldPos = navMesh.ComputeNavCellCenter((uint)navRef.NavCellIndex);
Point2d centerPixelPos = GameConstants.ConvertRoomPositionToPixelPosition(centerWorldPos);
float halfWidth = (float)GameConstants.NAV_MESH_PIXEL_SIZE / 2.0f;
Vector3 boxUL =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
centerPixelPos.x - halfWidth, centerPixelPos.y - halfWidth, 0.0f);
Vector3 boxUR =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
centerPixelPos.x + halfWidth, centerPixelPos.y - halfWidth, 0.0f);
Vector3 boxLR =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
centerPixelPos.x + halfWidth, centerPixelPos.y + halfWidth, 0.0f);
Vector3 boxLL =
ClientGameConstants.ConvertPixelPositionToVertexPosition(
centerPixelPos.x - halfWidth, centerPixelPos.y + halfWidth, 0.0f);
Debug.DrawLine(boxUL, boxUR, Color.blue);
Debug.DrawLine(boxUR, boxLR, Color.blue);
Debug.DrawLine(boxLR, boxLL, Color.blue);
Debug.DrawLine(boxLL, boxUL, Color.blue);
targetLabel = "\nNavCell=" + navRef.NavCellIndex.ToString();
}
// Attempt to compute a path from the active player to the mouse
_pathComputer.BlockingPathRequest(navMesh, roomKey, entity.Position, mouseWorldPos);
// Update the path status label
{
if (_pathComputer.ResultCode == PathComputer.eResult.success)
{
_pathStatusLabel.Text = "VALID" + targetLabel;
_pathStatusLabel.Color = Color.green;
}
else
{
_pathStatusLabel.Text = _pathComputer.ResultCode + targetLabel;
_pathStatusLabel.Color = Color.red;
}
_pathStatusLabel.SetLocalPosition(mousePixelPos.x, mousePixelPos.y);
_pathStatusLabel.Visible = true;
}
// Render the raw path
for (int stepIndex = 1; stepIndex < _pathComputer.FinalPath.Count; stepIndex++)
{
Point3d previousPoint = _pathComputer.FinalPath[stepIndex - 1].StepPoint;
Point3d currentPoint = _pathComputer.FinalPath[stepIndex].StepPoint;
Vector3 previousPixelPoint = ClientGameConstants.ConvertRoomPositionToVertexPosition(previousPoint);
Vector3 currentPixelPoint = ClientGameConstants.ConvertRoomPositionToVertexPosition(currentPoint);
Debug.DrawLine(previousPixelPoint, currentPixelPoint, Color.green);
}
}
}
}
