public void RenderMountain()
{
List <EPMPoint> mountainPoints = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.Mountain));
List <EPMTriangle> mountainTriangles = m_terrain.ExtractTriangles_ByVertex(mountainPoints);
for (int i = 0; i < mountainTriangles.Count; i++)
{
mountainTriangles[i].SetType(EPMPoint.PointType.Mountain);
}
for (int k = 0; k < g_customData.mountainLists.Count; k++)
{
List <Vector2d> mountain = g_customData.mountainLists[k];
for (int i = 0; i < mountain.Count; i++)
{
EPMHeightSampler.DistanceToPoint(m_terrain.RandomDouble(m_defaultMountainHeight / 2, m_defaultMountainHeight * 1.5f), mountain[i], m_mountainRadius * 1.5f, mountainPoints, EPMHeightSampler.CurveMode.ReverseLinear);
}
}
for (int i = 0; i < mountainPoints.Count; i++)
{
mountainPoints[i].ApplyHeight();
}
//find summit, the summit is the point that all its neighbors height is lower than it.
List <EPMPoint> summitPoints = new List <EPMPoint>();
for (int i = 0; i < mountainPoints.Count; i++)
{
EPMPoint p = mountainPoints[i];
if (p.g_neighbors.Count <= 2)
{
continue;
}
bool summit = true;
for (int j = 0; j < p.g_neighbors.Count; j++)
{
if (p.posY <= p.g_neighbors[j].posY)
{
summit = false;
break;
}
}
if (summit)
{
summitPoints.Add(p);
}
}
for (int i = 0; i < summitPoints.Count; i++)
{
List <EPMTriangle> l = m_terrain.ExtractTriangles_PointsInCircle(summitPoints[i].pos2d, m_mountainRadius * m_terrain.RandomDouble(0.2f, 0.4f), 1, mountainTriangles);
for (int j = 0; j < l.Count; j++)
{
l[j].SetType(EPMPoint.PointType.MountainSummit);
}
}
}
public void RenderOcean()
{
List <EPMPoint> oceanPoints = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.Ocean));
float height = (float)g_customData.seaLevel;
for (int i = 0; i < oceanPoints.Count; i++)
{
oceanPoints[i].posY = height;
}
}
public void CreateMesh()
{
int rowSplit = g_customData.rowSplit;
int columnSplit = g_customData.columnSplit;
//First, delete the former created Mesh.
for (int i = m_meshRoot.transform.childCount - 1; i >= 0; i--)
{
GameObject.DestroyImmediate(m_meshRoot.transform.GetChild(i).gameObject);
}
m_meshRoot.transform.DetachChildren();
//Split Mesh to smaller meshes.
List <List <EPMTriangle> > submeshTriangleList = new List <List <EPMTriangle> >();
for (int i = 0; i < rowSplit * columnSplit; i++)
{
submeshTriangleList.Add(new List <EPMTriangle>());
}
//Don't Draw Ocean, use an sea plane to replace it.
List <EPMTriangle> triangleList = m_terrain.ExtractTriangles_ByTypes(null, EPMPoint.GenerateTypesInt(true, EPMPoint.PointType.Ocean));
for (int i = 0; i < triangleList.Count; i++)
{
EPMTriangle t = triangleList[i];
EPMPoint p1 = t.g_pointList[0];
//Check which submesh the point p1 falls in, than put the triangle into this submesh list.
Vector2d v2 = p1.pos2d;
int column = (int)((v2.x - m_terrain.g_startPoint.x) / m_terrain.getXLength() * columnSplit);
if (column >= columnSplit)
{
column = columnSplit - 1;
}
int row = (int)((v2.y - m_terrain.g_startPoint.y) / m_terrain.getZlength() * rowSplit);
if (row >= rowSplit)
{
row = rowSplit - 1;
}
submeshTriangleList[column + row * columnSplit].Add(t);
}
for (int i = 0; i < submeshTriangleList.Count; i++)
{
if (submeshTriangleList[i].Count == 0)
{
continue;
}
string name = (i / columnSplit).ToString() + "_" + (i % columnSplit).ToString();
CreateSubMesh(submeshTriangleList[i], name);
}
CreateSeaPlane((float)g_customData.seaLevel);
}
public static void SampleHeightByPoint(EPMBaseTerrain terrain, int pointNum, Vector2d radiusRange, EPMHeightSampler.CurveMode curve, EPMHeightSampler.CombineMode combine, double limitation)
{
List <EPMPoint> pointList = terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(true, EPMPoint.PointType.Ocean));
EPMPoint.HighestHeight = EPMPoint.LowestHeight = 0;
for (int i = 0; i < pointNum; i++)
{
double radius = (double)terrain.RandomDouble(radiusRange.x, radiusRange.y);
double height = (double)terrain.RandomDouble(-1f, 1f);
Vector2d point = new Vector2d(terrain.RandomDouble(0, terrain.getXLength()), terrain.RandomDouble(0f, terrain.getZlength()));
EPMHeightSampler.DistanceToPoint(height, point, radius, pointList, curve, combine, limitation);
}
}
public void TwistTerrain()
{
System.Random random = new System.Random(g_customData.twistSeed);
List <EPMPoint> pointList = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(true, EPMPoint.PointType.Ocean));
//If the Ocean Point is connected with OceanSide, it should be put into pointList!!
List <EPMTriangle> tlist = m_terrain.ExtractTriangles_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.OceanSide));
Dictionary <int, EPMPoint> connectedOceanPoints = new Dictionary <int, EPMPoint>();
for (int i = 0; i < tlist.Count; i++)
{
List <EPMPoint> pl = tlist[i].g_pointList;
for (int j = 0; j < pl.Count; j++)
{
if (pl[j].HasType(EPMPoint.PointType.Ocean))
{
if (connectedOceanPoints.ContainsKey(pl[j].g_indexInList) == false)
{
connectedOceanPoints.Add(pl[j].g_indexInList, pl[j]);
pointList.Add(pl[j]);
}
}
}
}
for (int i = 0; i < g_customData.twistNum; i++)
{
double degree = random.NextDouble() * 2 * System.Math.PI;
if (m_terrain.RandomInt(0, 2) % 2 == 0)
{
EPMPlaneTwister.SineExpander(pointList, new Vector2d(System.Math.Sin(degree), System.Math.Cos(degree)), 100, (float)g_customData.twistStrength);
}
else
{
EPMPlaneTwister.SineShifter(pointList, new Vector2d(System.Math.Sin(degree), System.Math.Cos(degree)), 100, (float)g_customData.twistStrength);
}
}
}
public void RenderSingleGround(List <Vector2d> ground, EPMPoint.PointType type)
{
int groundEnums = EPMPoint.GetGroundEnums();
List <EPMPoint> plist = m_terrain.ExtractPoints_ByRegion(ground, null, groundEnums);
for (int i = 0; i < plist.Count; i++)
{
plist[i].SetType(type);
}
List <EPMTriangle> triangleList = m_terrain.ExtractTriangles_ByVertex(plist);
for (int i = 0; i < triangleList.Count; i++)
{
if (!triangleList[i].HasShapeType(groundEnums))
{
continue;
}
triangleList[i].TryDetermineType();
}
EPMPreDefinedTools.CheckAndSetTileTypeByNeighbor(m_terrain, EPMPoint.GetGroundEnums(), EPMPoint.GenerateTypesInt(false, type), type);
}
public void SmoothRiver()
{
List <EPMPoint> plist = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.River));
for (int i = 0; i < plist.Count; i++)
{
plist[i].posY = -3;
}
for (int i = 0; i < g_customData.riverLists.Count; i++)
{
List <Vector2d> river = g_customData.riverLists[i];
for (int j = 1; j < river.Count; j++)
{
EPMHeightSampler.DirectionalDistance(0.5f, river[j] - river[j - 1], 100, plist, -1f);
}
}
for (int i = 0; i < plist.Count; i++)
{
plist[i].ApplyHeight();
}
}
public void RenderRiver()
{
List <EPMPoint> riverPoints = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.RiverSide, EPMPoint.PointType.River));
for (int k = 0; k < g_customData.riverLists.Count; k++)
{
List <Vector2d> river = g_customData.riverLists[k];
for (int i = 1; i < river.Count; i++)
{
EPMHeightSampler.DistanceToLine(5, river[i - 1], river[i], m_riverHalfWidth, riverPoints, EPMHeightSampler.CurveMode.CosineQuarter, EPMHeightSampler.CombineMode.SubtractWithLimitation, -3);
if (i != river.Count - 1)
{
EPMHeightSampler.DistanceToPoint(5, river[i], m_riverHalfWidth, riverPoints, EPMHeightSampler.CurveMode.CosineQuarter, EPMHeightSampler.CombineMode.SubtractWithLimitation, -3);
}
}
}
for (int i = 0; i < riverPoints.Count; i++)
{
riverPoints[i].ApplyHeight();
}
}
public void RenderHill()
{
List <EPMPoint> hillPoints = m_terrain.ExtractPoints_ByTypes(null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.Hill));
for (int k = 0; k < g_customData.hillLists.Count; k++)
{
List <Vector2d> hill = g_customData.hillLists[k];
for (int i = 1; i < hill.Count; i++)
{
EPMHeightSampler.DistanceToLine(m_defaultHillHeight, hill[i - 1], hill[i], m_hillHalfWidth * 1.2f, hillPoints, EPMHeightSampler.CurveMode.CosineHalf);
}
}
for (int i = 0; i < hillPoints.Count; i++)
{
hillPoints[i].ApplyHeight();
}
for (int k = 0; k < g_customData.hillLists.Count; k++)
{
List <Vector2d> hill = g_customData.hillLists[k];
for (int i = 1; i < hill.Count; i++)
{
EPMHeightSampler.DirectionalDistance(m_terrain.RandomDouble(2f, 5f), hill[i] - hill[i - 1], 50f, hillPoints, m_defaultHillHeight * 1.5f, 2);
}
}
List <EPMTriangle> hillTriangles = m_terrain.ExtractTriangles_ByVertex(hillPoints);
for (int i = 0; i < hillTriangles.Count; i++)
{
if (hillTriangles[i].HasShapeType(EPMPoint.GetGroundEnums()))
{
hillTriangles[i].SetType(EPMPoint.PointType.Hill);
}
}
}
public static void CheckAndSetTileTypeByNeighbor(EPMDelaunayTerrain terrain, EPMPoint.PointType checkType, EPMPoint.PointType neighborType, EPMPoint.PointType newTypeForPassCheck, EPMPoint.PointType newTypeForNotPassCheck, int minNeighborCount = 2, bool shareEdge = true, bool alsoSetPointsType = false)
{
CheckAndSetTileTypeByNeighbor(terrain, EPMPoint.GenerateTypesInt(false, checkType), EPMPoint.GenerateTypesInt(false, neighborType), newTypeForPassCheck, newTypeForNotPassCheck, true, minNeighborCount, shareEdge, alsoSetPointsType);
}
public static void ExtractCenter(EPMDelaunayTerrain terrain, List <List <Vector2d> > pointList, EPMPoint.PointType oldType, EPMPoint.PointType newType, double halfWidth)
{
List <EPMTriangle> intersectList = new List <EPMTriangle>();
List <EPMTriangle> oldTypeList = terrain.ExtractTriangles_ByTypes(null, EPMPoint.GenerateTypesInt(false, oldType));
for (int i = 0; i < pointList.Count; i++)
{
List <Vector2d> lineSet = pointList[i];
for (int j = 0; j < lineSet.Count; j++)
{
intersectList.AddRange(terrain.ExtractTriangles_PointsInCircle(lineSet[j], halfWidth, 1, oldTypeList));
if (j >= 1)
{
Vector2d dir = lineSet[j] - lineSet[j - 1];
dir.Normalize();
Vector2d normal = new Vector2d(-dir.y, dir.x);
intersectList.AddRange(terrain.ExtractTriangles_PointsInLineWithDistance(lineSet[j - 1] - dir * halfWidth, lineSet[j] + dir * halfWidth, halfWidth, 1, oldTypeList));
intersectList.AddRange(terrain.ExtractTriangles_IntersectLine(lineSet[j - 1] + normal * halfWidth - dir * halfWidth, lineSet[j] + normal * halfWidth + dir * halfWidth, oldTypeList));
intersectList.AddRange(terrain.ExtractTriangles_IntersectLine(lineSet[j - 1] - normal * halfWidth - dir * halfWidth, lineSet[j] - normal * halfWidth + dir * halfWidth, oldTypeList));
}
}
}
for (int i = 0; i < intersectList.Count; i++)
{
EPMTriangle t = (EPMTriangle)intersectList[i];
t.g_pointList[0].g_type = newType;
t.g_pointList[1].g_type = newType;
t.g_pointList[2].g_type = newType;
t.SetType(newType);
}
intersectList.Clear();
CheckAndSetTileTypeByNeighbor(terrain, oldType, newType, newType);
}
public static void ExtractSide(EPMDelaunayTerrain terrain, EPMPoint.PointType oldType, EPMPoint.PointType sideType, double inLength = 2f)
{
List <EPMTriangle> list = terrain.ExtractTriangles_ByTypes(null, EPMPoint.GenerateTypesInt(false, oldType));
List <EPMPoint> allPoints = terrain.ExtractPoints_All();
List <EPMTriangle> sideList = new List <EPMTriangle>();
int groundEnum = EPMPoint.GetGroundEnums();
for (int i = 0; i < list.Count; i++)
{
EPMTriangle t = (EPMTriangle)list[i];
int count = 0;
int ep1, ep2;
ep1 = ep2 = 0;
for (int j = 0; j < t.g_shareEdgeNeighbors.Count; j++)
{
//The edge has an ground tile neighbor.
if (t.g_shareEdgeNeighbors[j].HasShapeType(groundEnum))
{
count++;
t.GetShareEdge((EPMTriangle)t.g_shareEdgeNeighbors[j], out ep1, out ep2);
}
}
if (count == 1)
{
if (!t.g_visited)
{
sideList.Add(t);
t.g_visited = true;
}
int ep3 = t.g_sortedIndexList[0];
if (ep3 == ep1 || ep3 == ep2)
{
ep3 = t.g_sortedIndexList[1];
}
if (ep3 == ep1 || ep3 == ep2)
{
ep3 = t.g_sortedIndexList[2];
}
Vector2d p1, p2, p3;
p1 = allPoints[ep1].pos2d;
p2 = allPoints[ep2].pos2d;
p3 = allPoints[ep3].pos2d;
Vector2d dir = p2 - p1;
Vector2d normal = new Vector2d(-dir.y, dir.x);
normal.Normalize();
if ((p3 - p1) * normal < 0)
{
normal = -normal;
}
for (int k = 0; k < t.g_shareEdgeNeighbors.Count; k++)
{
if (t.g_shareEdgeNeighbors[k].HasShapeType(oldType))
{
EPMTriangle nei = (EPMTriangle)t.g_shareEdgeNeighbors[k];
if (nei.g_visited == false)
{
nei.g_visited = true;
sideList.Add(nei);
}
for (int j = 0; j < nei.g_sharePointNeighbors.Count; j++)
{
EPMTriangle t2 = (EPMTriangle)nei.g_sharePointNeighbors[j];
if (t2.HasShapeType(oldType) && t2.g_visited == false)
{
Vector2d v2 = t2.g_pointList[0].pos2d;
double dot = (v2 - p1) * normal;
if (dot >= inLength)
{
continue;
}
v2 = t2.g_pointList[1].pos2d;
dot = (v2 - p1) * normal;
if (dot >= inLength)
{
continue;
}
v2 = t2.g_pointList[2].pos2d;
dot = (v2 - p1) * normal;
if (dot >= inLength)
{
continue;
}
t2.g_visited = true;
sideList.Add((EPMTriangle)nei.g_sharePointNeighbors[j]);
}
}
}
}
}
}
for (int i = 0; i < sideList.Count; i++)
{
sideList[i].SetType(sideType);
}
for (int i = 0; i < list.Count; i++)
{
EPMTriangle t = (EPMTriangle)list[i];
if (t.HasShapeType(sideType))
{
continue;
}
bool finded = true;
for (int j = 0; j < t.g_shareEdgeNeighbors.Count; j++)
{
if (t.g_shareEdgeNeighbors[j].HasShapeType(oldType))
{
finded = false;
break;
}
}
if (finded)
{
t.SetType(sideType);
}
}
for (int i = 0; i < list.Count; i++)
{
list[i].g_visited = false;
}
}
public void SetIslandGround()
{
for (int i = 0; i < g_customData.islandLists.Count; i++)
{
List <Vector2d> island = g_customData.islandLists[i];
List <EPMPoint> points = m_terrain.ExtractPoints_ByRegion(island, null, EPMPoint.GenerateTypesInt(false, EPMPoint.PointType.Ocean));
for (int j = 0; j < points.Count; j++)
{
points[j].SetType(EPMPoint.PointType.Ground);
}
}
}
