/// <summary>
/// Updates the region rect2D. Needed if points is updated manually.
/// </summary>
/// <param name="newPoints">New points.</param>
/// <param name="inflate">If set to <c>true</c> points will be slightly displaced to prevent polygon clipping floating point issues.</param>
public void UpdatePointsAndRect(Vector2[] newPoints, bool inflate = false)
{
sanitized = false;
points = newPoints;
ComputeBounds();
if (inflate)
{
Vector2 tmp = Misc.Vector2zero;
for (int k = 0; k < points.Length; k++)
{
FastVector.NormalizedDirection(ref center, ref points [k], ref tmp);
FastVector.Add(ref points [k], ref tmp, 0.00001f);
}
}
}
/// <summary>
/// Returns an optimal route from startPosition to endPosition with options.
/// </summary>
/// <returns>The route.</returns>
/// <param name="startPosition">Start position in map coordinates (-0.5...0.5)</param>
/// <param name="endPosition">End position in map coordinates (-0.5...0.5)</param>
/// <param name="totalCost">The total cost of traversing the path</param>
/// <param name="terrainCapability">Type of terrain that the unit can pass through</param>
/// <param name="minAltitude">Minimum altitude (0..1)</param>
/// <param name="maxAltitude">Maximum altutude (0..1)</param>
/// <param name="maxSearchCost">Maximum search cost for the path finding algorithm. A value of -1 will use the global default defined by pathFindingMaxCost</param>
public List <Vector2> FindRoute(Vector2 startPosition, Vector2 endPosition, out int totalCost, TERRAIN_CAPABILITY terrainCapability = TERRAIN_CAPABILITY.Any, float minAltitude = 0, float maxAltitude = 1f, int maxSearchCost = -1, int maxSearchSteps = -1)
{
ComputeRouteMatrix(terrainCapability, minAltitude, maxAltitude);
totalCost = 0;
Point startingPoint = new Point((int)((startPosition.x + 0.5f) * EARTH_ROUTE_SPACE_WIDTH),
(int)((startPosition.y + 0.5f) * EARTH_ROUTE_SPACE_HEIGHT));
Point endingPoint = new Point((int)((endPosition.x + 0.5f + 0.5f / EARTH_ROUTE_SPACE_WIDTH) * EARTH_ROUTE_SPACE_WIDTH),
(int)((endPosition.y + 0.5f + 0.5f / EARTH_ROUTE_SPACE_HEIGHT) * EARTH_ROUTE_SPACE_HEIGHT));
endingPoint.X = Mathf.Clamp(endingPoint.X, 0, EARTH_ROUTE_SPACE_WIDTH - 1);
endingPoint.Y = Mathf.Clamp(endingPoint.Y, 0, EARTH_ROUTE_SPACE_HEIGHT - 1);
// Helper to find a minimum path in case the destination position is on a different terrain type
if (terrainCapability == TERRAIN_CAPABILITY.OnlyWater)
{
int arrayIndex = endingPoint.Y * EARTH_ROUTE_SPACE_WIDTH + endingPoint.X;
if ((earthRouteMatrix [arrayIndex] & 4) == 0)
{
int regionIndex = -1;
int countryIndex = GetCountryIndex(endPosition, out regionIndex);
if (countryIndex >= 0 && regionIndex >= 0)
{
List <Vector2> coastPositions = GetCountryCoastalPoints(countryIndex, regionIndex, 0.001f);
float minDist = float.MaxValue;
Vector2 bestPosition = Misc.Vector2zero;
int coastPositionsCount = coastPositions.Count;
// Get nearest position to the ship which is on water
for (int k = 0; k < coastPositionsCount; k++)
{
Vector2 waterPosition;
if (ContainsWater(coastPositions [k], 0.001f, out waterPosition))
{
float dist = FastVector.SqrDistance(ref endPosition, ref waterPosition); // (endPosition - waterPosition).sqrMagnitude;
if (dist < minDist)
{
minDist = dist;
bestPosition = waterPosition;
}
}
}
if (minDist < float.MaxValue)
{
endPosition = bestPosition;
}
endingPoint = new Point((int)((endPosition.x + 0.5f + 0.5f / EARTH_ROUTE_SPACE_WIDTH) * EARTH_ROUTE_SPACE_WIDTH),
(int)((endPosition.y + 0.5f + 0.5f / EARTH_ROUTE_SPACE_HEIGHT) * EARTH_ROUTE_SPACE_HEIGHT));
arrayIndex = endingPoint.Y * EARTH_ROUTE_SPACE_WIDTH + endingPoint.X;
if ((earthRouteMatrix [arrayIndex] & 4) == 0)
{
Vector2 direction = Misc.Vector2zero;
for (int k = 1; k <= 10; k++)
{
if (k == 10 || startPosition == endPosition)
{
return(null);
}
FastVector.NormalizedDirection(ref endPosition, ref startPosition, ref direction);
Vector2 p = endPosition + direction * (float)k / EARTH_ROUTE_SPACE_WIDTH;
endingPoint = new Point((int)((p.x + 0.5f + 0.5f / EARTH_ROUTE_SPACE_WIDTH) * EARTH_ROUTE_SPACE_WIDTH),
(int)((p.y + 0.5f + 0.5f / EARTH_ROUTE_SPACE_HEIGHT) * EARTH_ROUTE_SPACE_HEIGHT));
arrayIndex = endingPoint.Y * EARTH_ROUTE_SPACE_WIDTH + endingPoint.X;
if ((earthRouteMatrix [arrayIndex] & 4) > 0)
{
break;
}
}
}
}
}
}
List <Vector2> routePoints = null;
// Minimum distance for routing?
if (Mathf.Abs(endingPoint.X - startingPoint.X) > 0 || Mathf.Abs(endingPoint.Y - startingPoint.Y) > 0)
{
finder.Formula = _pathFindingHeuristicFormula;
finder.MaxSearchCost = maxSearchCost < 0 ? _pathFindingMaxCost : maxSearchCost;
finder.MaxSteps = maxSearchSteps < 0 ? _pathFindingMaxSteps : maxSearchSteps;
if (_pathFindingEnableCustomRouteMatrix)
{
finder.OnCellCross = FindRoutePositionValidator;
}
else
{
finder.OnCellCross = null;
}
List <PathFinderNode> route = finder.FindPath(startingPoint, endingPoint, out totalCost);
if (route != null)
{
routePoints = new List <Vector2> (route.Count);
routePoints.Add(startPosition);
for (int r = route.Count - 1; r >= 0; r--)
{
float x = (float)route [r].X / EARTH_ROUTE_SPACE_WIDTH - 0.5f;
float y = (float)route [r].Y / EARTH_ROUTE_SPACE_HEIGHT - 0.5f;
Vector2 stepPos = new Vector2(x, y);
// due to grid effect the first step may be farther than the current position, so we skip it in that case.
if (r == route.Count - 1 && (endPosition - startPosition).sqrMagnitude < (endPosition - stepPos).sqrMagnitude)
{
continue;
}
routePoints.Add(stepPos);
}
}
else
{
return(null); // no route available
}
}
// Add final step if it's appropiate
bool hasWater = ContainsWater(endPosition);
if (terrainCapability == TERRAIN_CAPABILITY.Any ||
(terrainCapability == TERRAIN_CAPABILITY.OnlyWater && hasWater) ||
(terrainCapability == TERRAIN_CAPABILITY.OnlyGround && !hasWater))
{
if (routePoints == null)
{
routePoints = new List <Vector2> ();
routePoints.Add(startPosition);
routePoints.Add(endPosition);
}
else
{
routePoints [routePoints.Count - 1] = endPosition;
}
}
// Check that ground units ends in a position where GetCountryIndex returns a valid index
if (terrainCapability == TERRAIN_CAPABILITY.OnlyGround)
{
int rr = routePoints.Count - 1;
Vector2 dd = routePoints [rr - 1] - routePoints [rr];
dd *= 0.1f;
while (GetCountryIndex(routePoints [rr]) < 0)
{
routePoints [rr] += dd;
}
}
return(routePoints);
}
public static void UpdateDashedLine(MeshFilter meshFilter, List <Vector3> points, float thickness, bool worldSpace, ref Vector3[] meshPoints, ref int[] triPoints, ref Vector2[] uv)
{
int max = (points.Count / 2) * 2;
if (max == 0)
{
return;
}
int numPoints = 8 * 3 * max / 2;
if (numPoints > 65000)
{
return;
}
Mesh mesh = meshFilter.sharedMesh;
bool reassignMesh = false;
if (mesh == null || meshPoints == null || mesh.vertexCount != numPoints)
{
meshPoints = new Vector3[numPoints];
triPoints = new int[numPoints];
uv = new Vector2[numPoints];
reassignMesh = true;
}
int mp = 0;
thickness *= 0.5f;
float y0 = 0f; //Mathf.Sin (0.0f * Mathf.Deg2Rad);
float x0 = 1f; //Mathf.Cos (0.0f * Mathf.Deg2Rad);
float y1 = 0.8660254f; //Mathf.Sin (120.0f * Mathf.Deg2Rad);
float x1 = -0.5f; //Mathf.Cos (120.0f * Mathf.Deg2Rad);
float y2 = -0.8660254f; //Mathf.Sin (240.0f * Mathf.Deg2Rad);
float x2 = -0.5f; //Mathf.Cos (240.0f * Mathf.Deg2Rad);
Vector3 up = WMSK.instance.currentCamera.transform.forward;
Vector3 axis = Misc.Vector3zero;
float scaleX = worldSpace ? 1f : 0.5f;
Vector3 tmp = Misc.Vector3zero;
for (int p = 0; p < max; p += 2)
{
Vector3 p0 = points [p];
Vector3 p1 = points [p + 1];
FastVector.NormalizedDirection(ref p0, ref p1, ref tmp);
// Front triangle
Vector3 right = Vector3.Cross(up, tmp);
// Vector3 axis = (up * y0 + right * x0).normalized;
FastVector.CombineAndNormalize(ref up, y0, ref right, x0, ref axis);
axis.x *= scaleX;
meshPoints [mp + 0] = p0 + axis * thickness;
// axis = (up * y2 + right * x2).normalized;
FastVector.CombineAndNormalize(ref up, y2, ref right, x2, ref axis);
axis.x *= scaleX;
meshPoints [mp + 1] = p0 + axis * thickness;
// axis = (up * y1 + right * x1).normalized;
FastVector.CombineAndNormalize(ref up, y1, ref right, x1, ref axis);
axis.x *= scaleX;
meshPoints [mp + 2] = p0 + axis * thickness;
triPoints [mp + 0] = mp + 0;
triPoints [mp + 1] = mp + 1;
triPoints [mp + 2] = mp + 2;
uv [mp + 0] = Misc.Vector2zero;
uv [mp + 1] = Misc.Vector2right;
uv [mp + 2] = Misc.Vector2up;
// Back triangle
// axis = (up * y0 + right * x0).normalized;
FastVector.CombineAndNormalize(ref up, y0, ref right, x0, ref axis);
axis.x *= scaleX;
meshPoints [mp + 3] = p1 + axis * thickness;
// axis = (up * y1 + right * x1).normalized;
FastVector.CombineAndNormalize(ref up, y1, ref right, x1, ref axis);
axis.x *= scaleX;
meshPoints [mp + 4] = p1 + axis * thickness;
// axis = (up * y2 + right * x2).normalized;
FastVector.CombineAndNormalize(ref up, y2, ref right, x2, ref axis);
axis.x *= scaleX;
meshPoints [mp + 5] = p1 + axis * thickness;
triPoints [mp + 3] = mp + 3;
triPoints [mp + 4] = mp + 4;
triPoints [mp + 5] = mp + 5;
uv [mp + 3] = Misc.Vector2zero;
uv [mp + 4] = Misc.Vector2one;
uv [mp + 5] = Misc.Vector2right;
// One side
meshPoints [mp + 6] = meshPoints [mp + 0];
triPoints [mp + 6] = mp + 6;
uv [mp + 6] = Misc.Vector2up;
meshPoints [mp + 7] = meshPoints [mp + 3];
triPoints [mp + 7] = mp + 7;
uv [mp + 7] = Misc.Vector2one;
meshPoints [mp + 8] = meshPoints [mp + 1];
triPoints [mp + 8] = mp + 8;
uv [mp + 8] = Misc.Vector2zero;
meshPoints [mp + 9] = meshPoints [mp + 1];
triPoints [mp + 9] = mp + 9;
uv [mp + 9] = Misc.Vector2zero;
meshPoints [mp + 10] = meshPoints [mp + 3];
triPoints [mp + 10] = mp + 10;
uv [mp + 10] = Misc.Vector2one;
meshPoints [mp + 11] = meshPoints [mp + 5];
triPoints [mp + 11] = mp + 11;
uv [mp + 11] = Misc.Vector2zero;
// Second side
meshPoints [mp + 12] = meshPoints [mp + 1];
triPoints [mp + 12] = mp + 12;
uv [mp + 12] = Misc.Vector2zero;
meshPoints [mp + 13] = meshPoints [mp + 5];
triPoints [mp + 13] = mp + 13;
uv [mp + 13] = Misc.Vector2right;
meshPoints [mp + 14] = meshPoints [mp + 2];
triPoints [mp + 14] = mp + 14;
uv [mp + 14] = Misc.Vector2up;
meshPoints [mp + 15] = meshPoints [mp + 2];
triPoints [mp + 15] = mp + 15;
uv [mp + 15] = Misc.Vector2up;
meshPoints [mp + 16] = meshPoints [mp + 5];
triPoints [mp + 16] = mp + 16;
uv [mp + 16] = Misc.Vector2right;
meshPoints [mp + 17] = meshPoints [mp + 4];
triPoints [mp + 17] = mp + 17;
uv [mp + 17] = Misc.Vector2up;
// Third side
meshPoints [mp + 18] = meshPoints [mp + 0];
triPoints [mp + 18] = mp + 18;
uv [mp + 18] = Misc.Vector2right;
meshPoints [mp + 19] = meshPoints [mp + 4];
triPoints [mp + 19] = mp + 19;
uv [mp + 19] = Misc.Vector2up;
meshPoints [mp + 20] = meshPoints [mp + 3];
triPoints [mp + 20] = mp + 20;
uv [mp + 20] = Misc.Vector2zero;
meshPoints [mp + 21] = meshPoints [mp + 0];
triPoints [mp + 21] = mp + 21;
uv [mp + 21] = Misc.Vector2zero;
meshPoints [mp + 22] = meshPoints [mp + 2];
triPoints [mp + 22] = mp + 22;
uv [mp + 22] = Misc.Vector2one;
meshPoints [mp + 23] = meshPoints [mp + 4];
triPoints [mp + 23] = mp + 23;
uv [mp + 23] = Misc.Vector2up;
mp += 24;
}
if (mesh == null)
{
mesh = new Mesh();
mesh.hideFlags = HideFlags.DontSave;
}
if (reassignMesh)
{
mesh.Clear();
}
mesh.vertices = meshPoints;
mesh.uv = uv;
mesh.triangles = triPoints;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
if (reassignMesh)
{
meshFilter.sharedMesh = mesh;
}
}
void UpdateArrowCap(ref GameObject placeholder, ref GameObject obj, GameObject cap, bool flipDirection, Vector3 arrowBasePos, Vector3 arrowTipPos, Vector3 scale, float offset, Material capMaterial)
{
if (obj == null)
{
placeholder = new GameObject("CapPlaceholder");
placeholder.transform.SetParent(transform, false);
if (!usesViewport)
{
placeholder.transform.localScale = new Vector3(1f / transform.lossyScale.x, 1f / transform.lossyScale.y, 1f);
}
obj = Instantiate <GameObject>(cap);
capSpriteRenderer = obj.GetComponent <SpriteRenderer>();
if (capSpriteRenderer != null)
{
capSpriteRenderer.color = lineMaterial.color;
capStartColor = capSpriteRenderer.color;
}
capMeshRenderer = obj.GetComponent <MeshRenderer>();
if (capMeshRenderer != null)
{
capMeshRenderer.sharedMaterial = capMaterial != null ? capMaterial : lineMaterial;
capStartColor = capMeshRenderer.sharedMaterial.color;
}
obj.transform.SetParent(placeholder.transform);
obj.SetActive(false);
}
// set position
Vector3 pos = Misc.Vector3zero;
if (!usesViewport)
{
arrowBasePos = map.transform.TransformPoint(arrowBasePos);
arrowTipPos = map.transform.TransformPoint(arrowTipPos);
}
// Length of cap based on size
if (arrowBasePos != arrowTipPos)
{
Vector3 dir = Misc.Vector3zero;
FastVector.NormalizedDirection(ref arrowBasePos, ref arrowTipPos, ref dir);
pos = arrowTipPos - dir * offset;
if (!obj.activeSelf)
{
obj.SetActive(true);
}
obj.transform.position = pos;
// look to camera
if (usesViewport)
{
Vector3 camDir = pos - map.cameraMain.transform.position;
obj.transform.LookAt(arrowTipPos + dir * 100f, camDir);
}
else
{
Vector3 prdir = Vector3.ProjectOnPlane(dir, map.transform.forward);
obj.transform.LookAt(pos + map.transform.forward, prdir);
obj.transform.Rotate(obj.transform.forward, 90, Space.Self);
}
if (flipDirection)
{
obj.transform.Rotate(180, 0, 0, Space.Self);
}
}
obj.transform.localScale = scale;
}