void TriangulateOpenWater(HexDirection direction, HexCell_Script cell, HexCell_Script neighbor,
Vector3 center)
{
Vector3 c1 = center + HexMetrics_Script.GetFirstWaterCorner(direction);
Vector3 c2 = center + HexMetrics_Script.GetSecondWaterCorner(direction);
water.AddTriangle(center, c1, c2);
if (direction <= HexDirection.SE && neighbor != null)
{
Vector3 bridge = HexMetrics_Script.GetWaterBridge(direction);
Vector3 e1 = c1 + bridge;
Vector3 e2 = c2 + bridge;
water.AddQuad(c1, c2, e1, e2);
if (direction <= HexDirection.E)
{
HexCell_Script nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor == null || !nextNeighbor.IsUnderwater)
{
return;
}
water.AddTriangle(c2, e2, c2 + HexMetrics_Script.GetWaterBridge(direction.Next()));
}
}
}
void ErodeLand()
{
List <HexCell_Script> erodibleCells = ListPool <HexCell_Script> .Get();
for (int i = 0; i < cellCount; i++)
{
HexCell_Script cell = grid.GetCell(i);
if (IsErodible(cell))
{
erodibleCells.Add(cell);
}
}
int targetErodibleCount = (int)(erodibleCells.Count * (100 - erosionPercentage) * 0.01f);
while (erodibleCells.Count > targetErodibleCount)
{
int index = Random.Range(0, erodibleCells.Count);
HexCell_Script cell = erodibleCells[index];
HexCell_Script targetCell = GetErosionTarget(cell);
cell.Elevation--;
targetCell.Elevation++;
if (!IsErodible(cell))
{
erodibleCells[index] = erodibleCells[erodibleCells.Count - 1];
erodibleCells.RemoveAt(erodibleCells.Count - 1);
}
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neigbor = cell.GetNeighbor(d);
if (neigbor && neigbor.Elevation == cell.Elevation + 2 &&
!erodibleCells.Contains(neigbor))
{
erodibleCells.Add(neigbor);
}
}
if (IsErodible(targetCell) && !erodibleCells.Contains(targetCell))
{
erodibleCells.Add(targetCell);
}
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neighbor = targetCell.GetNeighbor(d);
if (neighbor && neighbor != cell && !IsErodible(neighbor) &&
neighbor.Elevation == targetCell.Elevation + 1)
{
erodibleCells.Remove(neighbor);
}
}
}
ListPool <HexCell_Script> .Add(erodibleCells);
}
void ValidateDrag(HexCell_Script currentCell)
{
for (dragDirection = HexDirection.NE; dragDirection <= HexDirection.NW; dragDirection++)
{
if (previousCell.GetNeighbor(dragDirection) == currentCell)
{
isDrag = true;
return;
}
}
isDrag = false;
}
int RaiseTerrain(int chunkSize, int budget, MapRegion region)
{
searchFrontierPhase++;
HexCell_Script firstCell = GetRandomCell(region);
firstCell.SearchPhase = searchFrontierPhase;
firstCell.Distance = 0;
firstCell.SearchHeuristic = 0;
searchFrontier.Enqueue(firstCell);
HexCoordinates center = firstCell.coordinates;
int rise = Random.value < highRiseProbability ? 2 : 1;
int size = 0;
while (size < chunkSize && searchFrontier.Count > 0)
{
HexCell_Script current = searchFrontier.Dequeue();
int originalElevation = current.Elevation;
int newElevation = originalElevation + rise;
if (newElevation > elevationMaximum)
{
continue;
}
current.Elevation = newElevation;
if (originalElevation < waterLevel &&
newElevation >= waterLevel && --budget == 0)
{
break;
}
size++;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neighbor = current.GetNeighbor(d);
if (neighbor && neighbor.SearchPhase < searchFrontierPhase)
{
neighbor.SearchPhase = searchFrontierPhase;
neighbor.Distance = neighbor.coordinates.DistanceTo(center);
neighbor.SearchHeuristic = Random.value < jitterProbabitlity ? 1 : 0;;
searchFrontier.Enqueue(neighbor);
}
}
}
searchFrontier.Clear();
return(budget);
}
bool IsErodible(HexCell_Script cell)
{
int erodibleElevation = cell.Elevation - 2;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neighbor = cell.GetNeighbor(d);
if (neighbor && neighbor.Elevation <= erodibleElevation)
{
return(true);
}
}
return(false);
}
void TriangulateWater(HexDirection direction, HexCell_Script cell, Vector3 center)
{
center.y = cell.WaterSurfaceY;
HexCell_Script neighbor = cell.GetNeighbor(direction);
if (neighbor != null && !neighbor.IsUnderwater)
{
TriangulateWaterShore(direction, cell, neighbor, center);
}
else
{
TriangulateOpenWater(direction, cell, neighbor, center);
}
}
void TriangulateWaterShore(HexDirection direction, HexCell_Script cell, HexCell_Script neighbor,
Vector3 center)
{
EdgeVertices e1 = new EdgeVertices(center + HexMetrics_Script.GetFirstWaterCorner(direction),
center + HexMetrics_Script.GetSecondWaterCorner(direction));
water.AddTriangle(center, e1.v1, e1.v2);
water.AddTriangle(center, e1.v2, e1.v3);
water.AddTriangle(center, e1.v3, e1.v4);
water.AddTriangle(center, e1.v4, e1.v5);
Vector3 center2 = neighbor.Position;
center2.y = center.y;
EdgeVertices e2 = new EdgeVertices(center2 + HexMetrics_Script.GetSecondSolidCorner(direction.Opposite()),
center2 + HexMetrics_Script.GetFirstSolidCorner(direction.Opposite()));
if (cell.HasRiverThroughEdge(direction))
{
TriangulateEstuary(e1, e2, cell.IncomingRiver == direction);
}
else
{
waterShore.AddQuad(e1.v1, e1.v2, e2.v1, e2.v2);
waterShore.AddQuad(e1.v2, e1.v3, e2.v2, e2.v3);
waterShore.AddQuad(e1.v3, e1.v4, e2.v3, e2.v4);
waterShore.AddQuad(e1.v4, e1.v5, e2.v4, e2.v5);
waterShore.AddQuadUV(0f, 0f, 0f, 1f);
waterShore.AddQuadUV(0f, 0f, 0f, 1f);
waterShore.AddQuadUV(0f, 0f, 0f, 1f);
waterShore.AddQuadUV(0f, 0f, 0f, 1f);
}
HexCell_Script nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor != null)
{
Vector3 v3 = nextNeighbor.Position + (nextNeighbor.IsUnderwater ?
HexMetrics_Script.GetFirstWaterCorner(direction.Previous()) :
HexMetrics_Script.GetFirstSolidCorner(direction.Previous()));
v3.y = center.y;
waterShore.AddTriangle(e1.v5, e2.v5, v3);
waterShore.AddTriangleUV(
new Vector2(0f, 0f),
new Vector2(0f, 1f),
new Vector2(0f, nextNeighbor.IsUnderwater?0f:1f));
}
}
HexCell_Script GetErosionTarget(HexCell_Script cell)
{
List <HexCell_Script> candidates = ListPool <HexCell_Script> .Get();
int erodibleElavation = cell.Elevation - 2;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neighbor = cell.GetNeighbor(d);
if (neighbor && neighbor.Elevation <= erodibleElavation)
{
candidates.Add(neighbor);
}
}
HexCell_Script target = candidates[Random.Range(0, candidates.Count)];
ListPool <HexCell_Script> .Add(candidates);
return(target);
}
bool Search(HexCell_Script fromCell, HexCell_Script toCell, int speed)
{
searchFrontierPhase += 2;
if (searchFrontier == null)
{
searchFrontier = new HexCellPriorityQueue();
}
else
{
searchFrontier.Clear();
}
//WaitForSeconds delay = new WaitForSeconds(1 / 60f);
fromCell.SearchPhase = searchFrontierPhase;
fromCell.Distance = 0;
searchFrontier.Enqueue(fromCell);
while (searchFrontier.Count > 0)
{
//yield return delay;
HexCell_Script current = searchFrontier.Dequeue();
current.SearchPhase += 1;
if (current.SearchPhase == 10000)
{
Debug.LogError("Could not find Path after 10000 searches!");
return(false);
}
if (current == toCell)
{
return(true);
}
int currentTurn = (current.Distance - 1) / speed;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
HexCell_Script neighbor = current.GetNeighbor(d);
if (neighbor == null ||
neighbor.SearchPhase > searchFrontierPhase)
{
continue;
}
if (neighbor.IsUnderwater || neighbor.Unit)
{
continue;
}
HexEdgeType edgeType = current.GetEdgeType(neighbor);
if (edgeType == HexEdgeType.Cliff)
{
continue;
}
int moveCost;
if (current.HasRoadThroughEdge(d))
{
moveCost = 1;
}
else if (current.Walled != neighbor.Walled)
{
continue;
}
else
{
moveCost = edgeType == HexEdgeType.Flat ? 5 : 10;
moveCost += neighbor.UrbanLevel + neighbor.FarmLevel + neighbor.PlantLevel;
}
int distance = current.Distance + moveCost;
int turn = distance / speed;
if (turn > currentTurn)
{
distance = turn * speed + moveCost;
}
if (neighbor.SearchPhase < searchFrontierPhase)
{
neighbor.SearchPhase = searchFrontierPhase;
neighbor.Distance = distance;
//neighbor.SetLabel(turn.ToString());
neighbor.PathFrom = current;
neighbor.SearchHeuristic = neighbor.coordinates.DistanceTo(toCell.coordinates);
searchFrontier.Enqueue(neighbor);
}
else if (distance < neighbor.Distance)
{
int oldPriority = neighbor.SearchPriority;
neighbor.Distance = distance;
//neighbor.SetLabel(turn.ToString());
neighbor.PathFrom = current;
searchFrontier.Change(neighbor, oldPriority);
}
//searchFrontier.Sort((x, y) => x.SearchPriority.CompareTo(y.SearchPriority));
}
}
return(false);
}
void TriangulateConnection(HexDirection direction, HexCell_Script cell, EdgeVertices e1)
{
HexCell_Script neighbor = cell.GetNeighbor(direction);
if (neighbor == null)
{
return;
}
Vector3 bridge = HexMetrics_Script.GetBridge(direction);
bridge.y = neighbor.Position.y - cell.Position.y;
EdgeVertices e2 = new EdgeVertices(e1.v1 + bridge, e1.v5 + bridge);
bool hasRiver = cell.HasRiverThroughEdge(direction);
bool hasRoad = cell.HasRoadThroughEdge(direction);
if (hasRiver)
{
e2.v3.y = neighbor.StreamBedY;
if (!cell.IsUnderwater)
{
if (!neighbor.IsUnderwater)
{
TriangulateRiverQuad(e1.v2, e1.v4, e2.v2, e2.v4,
cell.HasIncomingRiver && cell.IncomingRiver == direction,
cell.RiverSurfaceY, neighbor.RiverSurfaceY, 0.8f);
}
else if (cell.Elevation > neighbor.WaterLevel)
{
TriangulateWaterfallInWater(e1.v2, e1.v4, e2.v2, e2.v4,
cell.RiverSurfaceY, neighbor.RiverSurfaceY,
neighbor.WaterSurfaceY);
}
}
else if (!neighbor.IsUnderwater && neighbor.Elevation > cell.WaterLevel)
{
TriangulateWaterfallInWater(e2.v4, e2.v2, e1.v4, e1.v2,
neighbor.RiverSurfaceY, cell.RiverSurfaceY,
cell.WaterSurfaceY);
}
}
if (cell.GetEdgeType(direction) == HexEdgeType.Slope)
{
TriangulateEdgeTerraces(e1, cell, e2, neighbor, hasRoad);
}
else
{
TriangulateEdgeStrip(e1, color1, cell.TerrainTypeIndex,
e2, color2, neighbor.TerrainTypeIndex, hasRoad);
}
features.AddWall(e1, cell, e2, neighbor, hasRiver, hasRoad);
HexCell_Script nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor != null && direction <= HexDirection.E)
{
Vector3 v5 = e1.v5 + HexMetrics_Script.GetBridge(direction.Next());
v5.y = nextNeighbor.Position.y;
if (cell.Elevation <= neighbor.Elevation)
{
if (cell.Elevation <= nextNeighbor.Elevation)
{
TriangulateCorner(e1.v5, cell, e2.v5, neighbor, v5, nextNeighbor);
}
else
{
TriangulateCorner(v5, nextNeighbor, e1.v5, cell, e2.v5, neighbor);
}
}
else if (neighbor.Elevation <= nextNeighbor.Elevation)
{
TriangulateCorner(e2.v5, neighbor, v5, nextNeighbor, e1.v5, cell);
}
else
{
TriangulateCorner(v5, nextNeighbor, e1.v5, cell, e2.v5, neighbor);
}
//AddTriangle(v2, v5, v5);
//AddTriangleColor(cell.color, neighbor.color, nextNeighbor.color);
}
}
void EditCell(HexCell_Script cell)
{
if (cell)
{
//if (applyColor)
// cell.Color = activeColor;
if (activeTerrainTypeIndex >= 0)
{
cell.TerrainTypeIndex = activeTerrainTypeIndex;
}
if (applyElevation)
{
cell.Elevation = activeElevation;
}
if (applyWaterLevel)
{
cell.WaterLevel = activeWaterLevel;
}
if (applySpecialIndex)
{
cell.SpecialIndex = activeSpecialIndex;
}
if (applyUrbanLevel)
{
cell.UrbanLevel = activeUrbanLevel;
}
if (applyFarmLevel)
{
cell.FarmLevel = activeFarmLevel;
}
if (applyPlantLevel)
{
cell.PlantLevel = activePlantLevel;
}
if (riverMode == OptionalToggle.No)
{
cell.RemoverRiver();
}
if (roadMode == OptionalToggle.No)
{
cell.RemoveRoads();
}
if (isDrag)
{
HexCell_Script otherCell = cell.GetNeighbor(dragDirection.Opposite());
if (otherCell)
{
if (riverMode == OptionalToggle.Yes)
{
otherCell.SetOutgoingRiver(dragDirection);
}
if (walledMode != OptionalToggle.Ignore)
{
cell.Walled = walledMode == OptionalToggle.Yes;
}
if (roadMode == OptionalToggle.Yes)
{
otherCell.AddRoad(dragDirection);
}
}
}
//else if (isDrag && riverMode == OptionalToggle.Yes)
//{
// HexCell_Script otherCell = cell.GetNeighbor(dragDirection.Opposite());
// if (otherCell)
// otherCell.SetOutgoingRiver(dragDirection);
//}
}
}
