void CountrySubstractCountryEnclaves(int countryIndex, Region region, Poly2Tri.Polygon poly)
{
List <Region> negativeRegions = new List <Region> ();
int countryCount = _countriesOrderedBySize.Count;
for (int ops = 0; ops < countryCount; ops++)
{
int op = _countriesOrderedBySize [ops];
if (op == countryIndex)
{
continue;
}
Country opCountry = _countries [op];
Region opCountryRegion = opCountry.regions [opCountry.mainRegionIndex];
if (opCountryRegion.points.Length >= 5 && opCountry.mainRegion.rect2DArea < region.rect2DArea && opCountryRegion.rect2D.Overlaps(region.rect2D, true))
{
if (region.Contains(opCountryRegion)) // just check main region of province for speed purposes
{
negativeRegions.Add(opCountryRegion.Clone());
}
}
}
// Collapse negative regions in big holes
for (int nr = 0; nr < negativeRegions.Count - 1; nr++)
{
for (int nr2 = nr + 1; nr2 < negativeRegions.Count; nr2++)
{
if (negativeRegions [nr].Intersects(negativeRegions [nr2]))
{
Clipper clipper = new Clipper();
int control = negativeRegions [nr].points.Length;
clipper.AddPath(negativeRegions [nr], PolyType.ptSubject);
clipper.AddPath(negativeRegions [nr2], PolyType.ptClip);
clipper.Execute(ClipType.ctUnion);
negativeRegions.RemoveAt(nr2);
nr = -1;
break;
}
}
}
// Substract holes
for (int r = 0; r < negativeRegions.Count; r++)
{
Poly2Tri.Polygon polyHole = new Poly2Tri.Polygon(negativeRegions [r].points);
poly.AddHole(polyHole);
}
}
GameObject GenerateCountryRegionSurface(int countryIndex, int regionIndex, Material material, Vector2 textureScale, Vector2 textureOffset, float textureRotation)
{
if (countryIndex < 0 || countryIndex >= _countries.Length)
{
return(null);
}
Country country = _countries [countryIndex];
Region region = country.regions [regionIndex];
if (region.points.Length < 3)
{
return(null);
}
Poly2Tri.Polygon poly = new Poly2Tri.Polygon(region.points);
// Extracts enclaves from main region
if (_enableEnclaves && regionIndex == country.mainRegionIndex)
{
// Remove negative provinces
if (_showProvinces)
{
CountrySubstractProvinceEnclaves(countryIndex, region, poly);
}
else
{
CountrySubstractCountryEnclaves(countryIndex, region, poly);
}
}
P2T.Triangulate(poly);
// Prepare surface cache entry and deletes older surface if exists
int cacheIndex = GetCacheIndexForCountryRegion(countryIndex, regionIndex);
string id = cacheIndex.ToString();
// Creates surface mesh
GameObject surf = Drawing.CreateSurface(id, poly, material, region.rect2D, textureScale, textureOffset, textureRotation, disposalManager);
ParentObjectToRegion(id, COUNTRY_SURFACES_ROOT_NAME, surf);
surfaces [cacheIndex] = surf;
return(surf);
}
/// <summary>
/// Creates an extruded version of a given region
/// </summary>
/// <returns>The generate extrude game object.</returns>
/// <param name="name">Name.</param>
/// <param name="extrusionAmount">Size of the extrusion.</param>
/// <param name="region">Region.</param>
/// <param name="material">Material.</param>
/// <param name="textureScale">Texture scale.</param>
/// <param name="textureOffset">Texture offset.</param>
/// <param name="textureRotation">Texture rotation.</param>
public GameObject RegionGenerateExtrudeGameObject(string name, Region region, float extrusionAmount, Material topMaterial, Material sideMaterial, Vector2 textureScale, Vector2 textureOffset, float textureRotation, bool useRegionRect = true)
{
if (region == null || region.points.Length < 3)
{
return(null);
}
Rect rect = useRegionRect ? region.rect2D : new Rect(0.5f, 0.5f, 1f, 1f);
GameObject go = new GameObject(name);
go.transform.SetParent(transform, false);
Poly2Tri.Polygon poly = new Poly2Tri.Polygon(region.points);
P2T.Triangulate(poly);
// Creates surface mesh
GameObject surf = Drawing.CreateSurface("RegionTop", poly, topMaterial, rect, textureScale, textureOffset, textureRotation, null);
surf.transform.SetParent(go.transform, false);
surf.transform.localPosition = new Vector3(0, 0, -extrusionAmount);
// Create side band
int pointCount = region.points.Length;
Vector3[] vertices = new Vector3[pointCount * 2];
int[] indices = new int[pointCount * 6];
int vi = 0, ii = -1;
for (int k = 0; k < pointCount; k++, vi += 2)
{
vertices[vi] = region.points[k];
vertices[vi].z = -extrusionAmount;
vertices[vi + 1] = vertices[vi];
vertices[vi + 1].z = 0;
if (k == pointCount - 1)
{
indices[++ii] = vi + 1;
indices[++ii] = vi;
indices[++ii] = 1;
indices[++ii] = vi + 1;
indices[++ii] = 1;
indices[++ii] = 0;
}
else
{
indices[++ii] = vi;
indices[++ii] = vi + 1;
indices[++ii] = vi + 2;
indices[++ii] = vi + 1;
indices[++ii] = vi + 3;
indices[++ii] = vi + 2;
}
}
GameObject band = new GameObject("RegionBand");
band.transform.SetParent(go.transform, false);
Mesh mesh = new Mesh();
mesh.vertices = vertices;
mesh.triangles = indices;
mesh.RecalculateNormals();
MeshFilter mf = band.AddComponent <MeshFilter>();
mf.mesh = mesh;
MeshRenderer mr = band.AddComponent <MeshRenderer>();
mr.sharedMaterial = sideMaterial;
if (region.entity.allowHighlight && (region.entity is Country && _enableCountryHighlight || region.entity is Province && _enableProvinceHighlight))
{
ExtrudedRegionInteraction interaction = go.AddComponent <ExtrudedRegionInteraction>();
interaction.map = this;
interaction.region = region;
interaction.topMaterial = topMaterial;
interaction.sideMaterial = sideMaterial;
interaction.highlightColor = region.entity is Country ? _fillColor : _provincesFillColor;
}
return(go);
}
void ProvinceSubstractProvinceEnclaves(int provinceIndex, Region region, Poly2Tri.Polygon poly)
{
List <Region> negativeRegions = new List <Region> ();
for (int oc = 0; oc < _countries.Length; oc++)
{
Country ocCountry = _countries [oc];
if (ocCountry.hidden || ocCountry.provinces == null)
{
continue;
}
Region mainCountryRegion = ocCountry.regions [ocCountry.mainRegionIndex];
if (!mainCountryRegion.rect2D.Overlaps(region.rect2D))
{
continue;
}
for (int op = 0; op < ocCountry.provinces.Length; op++)
{
Province opProvince = ocCountry.provinces [op];
if (opProvince == provinces [provinceIndex])
{
continue;
}
if (opProvince.regions == null)
{
ReadProvincePackedString(opProvince);
}
if (opProvince.regions == null)
{
continue;
}
if (opProvince.regionsRect2D.Overlaps(region.rect2D, true))
{
Region oProvRegion = opProvince.regions [opProvince.mainRegionIndex];
if (region.Contains(oProvRegion)) // just check main region of province for speed purposes
{
negativeRegions.Add(oProvRegion.Clone());
}
}
}
}
// Collapse negative regions in big holes
for (int nr = 0; nr < negativeRegions.Count - 1; nr++)
{
for (int nr2 = nr + 1; nr2 < negativeRegions.Count; nr2++)
{
if (negativeRegions [nr].Intersects(negativeRegions [nr2]))
{
Clipper clipper = new Clipper();
int control = negativeRegions [nr].points.Length;
clipper.AddPath(negativeRegions [nr], PolyType.ptSubject);
clipper.AddPath(negativeRegions [nr2], PolyType.ptClip);
clipper.Execute(ClipType.ctUnion);
negativeRegions.RemoveAt(nr2);
nr = -1;
break;
}
}
}
// Substract holes
int negativeRegionsCount = negativeRegions.Count;
for (int r = 0; r < negativeRegionsCount; r++)
{
int pointCount = negativeRegions [r].points.Length;
Vector2[] pp = new Vector2[pointCount];
for (int p = 0; p < pointCount; p++)
{
Vector2 point = negativeRegions [r].points [p];
Vector2 midPoint = negativeRegions [r].center;
pp [p] = point + (midPoint - point) * 0.0001f; // prevents Poly2Tri issues when enclave boarders are to near from region borders
}
Poly2Tri.Polygon polyHole = new Poly2Tri.Polygon(pp);
poly.AddHole(polyHole);
}
}
/// <summary>
/// Highlights the province region specified. Returns the generated highlight surface gameObject.
/// Internally used by the Map UI and the Editor component, but you can use it as well to temporarily mark a country region.
/// </summary>
/// <param name="refreshGeometry">Pass true only if you're sure you want to force refresh the geometry of the highlight (for instance, if the frontiers data has changed). If you're unsure, pass false.</param>
public GameObject HighlightProvinceRegion(int provinceIndex, int regionIndex, bool refreshGeometry)
{
if (!refreshGeometry && _provinceHighlightedIndex == provinceIndex && _provinceRegionHighlightedIndex == regionIndex)
{
return(provinceRegionHighlightedObj);
}
if (provinceRegionHighlightedObj != null)
{
HideProvinceRegionHighlight();
}
if (provinceIndex < 0 || provinceIndex >= provinces.Length || provinces [provinceIndex].regions == null || regionIndex < 0 || regionIndex >= provinces [provinceIndex].regions.Count)
{
return(null);
}
if (OnProvinceHighlight != null)
{
bool allowHighlight = true;
OnProvinceHighlight(provinceIndex, regionIndex, ref allowHighlight);
if (!allowHighlight)
{
return(null);
}
}
int cacheIndex = GetCacheIndexForProvinceRegion(provinceIndex, regionIndex);
GameObject obj;
bool existsInCache = surfaces.TryGetValue(cacheIndex, out obj);
if (refreshGeometry && existsInCache)
{
surfaces.Remove(cacheIndex);
DestroyImmediate(obj);
existsInCache = false;
}
bool doHighlight = true;
if (_highlightMaxScreenAreaSize < 1f)
{
// Check screen area size
Region region = provinces [provinceIndex].regions [regionIndex];
doHighlight = CheckScreenAreaSizeOfRegion(region);
}
if (doHighlight)
{
if (_enableProvinceHighlight && _provinces [provinceIndex].allowHighlight && _countries [_provinces [provinceIndex].countryIndex].allowProvincesHighlight)
{
if (existsInCache)
{
provinceRegionHighlightedObj = surfaces [cacheIndex];
if (provinceRegionHighlightedObj == null)
{
surfaces.Remove(cacheIndex);
}
else
{
if (!provinceRegionHighlightedObj.activeSelf)
{
provinceRegionHighlightedObj.SetActive(true);
}
Renderer[] rr = provinceRegionHighlightedObj.GetComponentsInChildren <Renderer> (true);
for (int k = 0; k < rr.Length; k++)
{
if (rr [k].sharedMaterial != hudMatProvince && rr [k].sharedMaterial != outlineMatSimple)
{
rr [k].enabled = true;
rr [k].sharedMaterial = hudMatProvince;
}
}
}
}
else
{
provinceRegionHighlightedObj = GenerateProvinceRegionSurface(provinceIndex, regionIndex, hudMatProvince);
// Add rest of regions?
if (_highlightAllProvinceRegions)
{
Province province = provinces [provinceIndex];
for (int r = 0; r < province.regions.Count; r++)
{
if (r != regionIndex)
{
Region otherRegion = province.regions [r];
// Triangulate to get the polygon vertex indices
Poly2Tri.Polygon poly = new Poly2Tri.Polygon(otherRegion.points);
P2T.Triangulate(poly);
GameObject otherSurf = Drawing.CreateSurface(provinceRegionHighlightedObj.name, poly, hudMatProvince, otherRegion.rect2D, Misc.Vector2zero, Misc.Vector2zero, 0, disposalManager);
otherSurf.transform.SetParent(provinceRegionHighlightedObj.transform, false);
otherSurf.transform.localPosition = Misc.Vector3zero;
otherSurf.transform.localRotation = Quaternion.Euler(Misc.Vector3zero);
otherSurf.layer = gameObject.layer;
}
}
}
}
}
else
{
provinceRegionHighlightedObj = null;
}
}
_provinceHighlighted = provinces [provinceIndex];
_provinceHighlightedIndex = provinceIndex;
_provinceRegionHighlighted = _provinceHighlighted.regions [regionIndex];
_provinceRegionHighlightedIndex = regionIndex;
return(provinceRegionHighlightedObj);
}