// Fill the gap between each cell in the direction given
void TriangulateConnection(HexCell cell, HexDirection direction, EdgeVertices e1)
{
HexCell neighbor = cell.GetNeighbor(direction);
if (neighbor == null)
{
return;
}
// Build the bridge
Vector3 bridge = HexMetrics.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)
{
// Normal river
TriangulateRiverQuad(e1.v2, e1.v4, e2.v2, e2.v4, cell.RiverSurfaceY, neighbor.RiverSurfaceY, 0.8f, cell.HasIncomingRiver && cell.IncomingRiver == direction);
}
else if (cell.Elevation > neighbor.WaterLevel)
{
// Waterfall from cell to neighbor
TriangulateWaterfallInWater(e1.v2, e1.v4, e2.v2, e2.v4, cell.RiverSurfaceY, neighbor.RiverSurfaceY, neighbor.WaterSurfaceY);
}
}
else if (!neighbor.IsUnderwater && neighbor.Elevation > cell.WaterLevel)
{
// Waterfall from neighbor to cell
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, cell.Color, e2, neighbor.Color, hasRoad);
}
features.AddWall(e1, cell, e2, neighbor, hasRiver, hasRoad);
// Filling the gap
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
if (direction <= HexDirection.E && nextNeighbor != null)
{
Vector3 v5 = e1.v5 + HexMetrics.GetBridge(direction.Next());
v5.y = nextNeighbor.Position.y;
// Find the lowest cell
if (cell.Elevation <= neighbor.Elevation)
{
if (cell.Elevation <= nextNeighbor.Elevation)
{
TriangulateCorner(e1.v5, cell, e2.v5, neighbor, v5, nextNeighbor); // cell is the lowest
}
else
{
TriangulateCorner(v5, nextNeighbor, e1.v5, cell, e2.v5, neighbor); // nextNeighbor is the lowest
}
}
else if (neighbor.Elevation <= nextNeighbor.Elevation)
{
TriangulateCorner(e2.v5, neighbor, v5, nextNeighbor, e1.v5, cell); // neighbor is the lowest
}
else
{
TriangulateCorner(v5, nextNeighbor, e1.v5, cell, e2.v5, neighbor); // nextNeighbor is the lowest
}
}
}
void EditCell(HexCell cell)
{
if (cell)
{
if (activeTerrainTypeIndex >= 0)
{
cell.TerrainTypeIndex = activeTerrainTypeIndex;
}
if (applyElevation)
{
cell.Elevation = activeElevation;
}
if (applyWaterLevel)
{
cell.WaterLevel = activeWaterLevel;
}
if (riverMode == OptionalToggle.No)
{
cell.RemoveRiver();
}
if (roadMode == OptionalToggle.No)
{
cell.RemoveRoads();
}
if (applyUrbanLevel)
{
cell.UrbanLevel = activeUrbanLevel;
}
if (applyFarmLevel)
{
cell.FarmLevel = activeFarmLevel;
}
if (applyPlantLevel)
{
cell.PlantLevel = activePlantLevel;
}
if (walledMode != OptionalToggle.Ignore)
{
cell.Walled = walledMode == OptionalToggle.Yes;
}
if (applySpecialIndex)
{
cell.SpecialIndex = activeSpecialIndex;
}
if (isDrag)
{
HexCell otherCell = cell.GetNeighbor(dragDirection.Opposite());
if (otherCell)
{
if (riverMode == OptionalToggle.Yes)
{
otherCell.SetOutgoingRiver(dragDirection);
}
if (roadMode == OptionalToggle.Yes)
{
otherCell.AddRoad(dragDirection);
}
}
}
}
}