private void TriangulateCultureAlongContour(
IHexCell center, HexDirection direction, Color color, IHexMesh cultureMesh
)
{
var contour = CellEdgeContourCanon.GetContourForCellEdge(center, direction);
Vector2 innerCCW, innerCW, outerCCW, outerCW;
for (int i = 0; i < contour.Count - 1; i++)
{
outerCCW = contour[i];
outerCW = contour[i + 1];
innerCCW = Vector2.Lerp(outerCCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
innerCW = Vector2.Lerp(outerCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
cultureMesh.AddQuad(
new Vector3(innerCCW.x, 0f, innerCCW.y), new Vector3(innerCW.x, 0f, innerCW.y),
new Vector3(outerCCW.x, 0f, outerCCW.y), new Vector3(outerCW.x, 0f, outerCW.y)
);
cultureMesh.AddQuadUV(new Vector2(0f, 0f), new Vector2(0f, 0f), new Vector2(0f, 1f), new Vector2(0f, 1f));
cultureMesh.AddQuadColor(color);
}
}
public void TriangulateContoursBetween(
IHexCell center, IHexCell right, HexDirection direction, Color centerWeights, Color rightWeights, IHexMesh mesh
)
{
var centerRightContour = CellContourCanon.GetContourForCellEdge(center, direction);
var rightCenterContour = CellContourCanon.GetContourForCellEdge(right, direction.Opposite());
int centerRightIndex = 1, rightCenterIndex = rightCenterContour.Count - 1;
while (centerRightIndex < centerRightContour.Count && rightCenterIndex > 0)
{
mesh.AddQuad(
centerRightContour[centerRightIndex - 1].ToXYZ(), centerRightContour[centerRightIndex].ToXYZ(),
rightCenterContour[rightCenterIndex].ToXYZ(), rightCenterContour[rightCenterIndex - 1].ToXYZ()
);
mesh.AddQuadColor(centerWeights, rightWeights);
centerRightIndex++;
rightCenterIndex--;
}
for (; centerRightIndex < centerRightContour.Count; centerRightIndex++)
{
mesh.AddTriangle(
centerRightContour[centerRightIndex - 1].ToXYZ(), rightCenterContour[0].ToXYZ(), centerRightContour[centerRightIndex].ToXYZ()
);
mesh.AddTriangleColor(centerWeights, rightWeights, centerWeights);
}
for (; rightCenterIndex > 0; rightCenterIndex--)
{
mesh.AddTriangle(
centerRightContour.Last().ToXYZ(), rightCenterContour[rightCenterIndex].ToXYZ(), rightCenterContour[rightCenterIndex - 1].ToXYZ()
);
mesh.AddTriangleColor(centerWeights, rightWeights, rightWeights);
}
if (RiverCanon.HasRiverAlongEdge(right, direction.Next2()))
{
var nextRight = Grid.GetNeighbor(center, direction.Next());
var rightNextRightContour = CellContourCanon.GetContourForCellEdge(right, direction.Next2());
var nextRightRightContour = CellContourCanon.GetContourForCellEdge(nextRight, direction.Previous());
mesh.AddTriangle(
centerRightContour.Last().ToXYZ(),
rightNextRightContour.Last().ToXYZ(),
nextRightRightContour.First().ToXYZ()
);
mesh.AddTriangleColor(centerWeights, rightWeights, rightWeights);
}
}
private void TriangulateCellWeights_River(
IHexCell center, IHexCell right, HexDirection direction, bool hasCenterRightRiver, IHexMesh weightsMesh
)
{
var centerRightContour = CellContourCanon.GetContourForCellEdge(center, direction);
Vector3 innerOne, innerTwo, contourOneXYZ, contourTwoXYZ;
for (int i = 1; i < centerRightContour.Count; i++)
{
contourOneXYZ = centerRightContour[i - 1].ToXYZ();
contourTwoXYZ = centerRightContour[i].ToXYZ();
innerOne = Vector3.Lerp(center.AbsolutePosition, contourOneXYZ, RenderConfig.SolidFactor);
innerTwo = Vector3.Lerp(center.AbsolutePosition, contourTwoXYZ, RenderConfig.SolidFactor);
weightsMesh.AddTriangle(center.AbsolutePosition, innerOne, innerTwo);
weightsMesh.AddTriangleColor(CenterWeights);
weightsMesh.AddQuad(innerOne, innerTwo, contourOneXYZ, contourTwoXYZ);
if (hasCenterRightRiver)
{
weightsMesh.AddQuadColor(CenterWeights);
}
else
{
weightsMesh.AddQuadColor(CenterWeights, CenterRightWeights);
}
}
if (hasCenterRightRiver && direction <= HexDirection.SE)
{
ContourTriangulator.TriangulateContoursBetween(
center, right, direction, CenterWeights, RightWeights, weightsMesh
);
}
}
private void TriangulateWaterEdge(
IHexCell center, Vector3 localCenterPos, Color centerColor,
IHexCell right, Vector3 localRightPos, Color rightColor,
HexDirection direction, IHexMesh mesh
)
{
mesh.AddQuad(
localCenterPos + RenderConfig.GetFirstSolidCorner(direction),
localCenterPos + RenderConfig.GetSecondSolidCorner(direction),
localRightPos + RenderConfig.GetSecondSolidCorner(direction.Opposite()),
localRightPos + RenderConfig.GetFirstSolidCorner(direction.Opposite())
);
mesh.AddQuadColor(centerColor, rightColor);
}
private void TriangulateCellWeights_NoRiver(
IHexCell center, IHexCell right, HexDirection direction, IHexMesh weightsMesh
)
{
if (right == null)
{
weightsMesh.AddTriangle(
center.AbsolutePosition,
center.AbsolutePosition + RenderConfig.GetFirstCorner(direction),
center.AbsolutePosition + RenderConfig.GetSecondCorner(direction)
);
weightsMesh.AddTriangleColor(CenterWeights);
return;
}
Vector3 firstEdgeInner = center.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction);
Vector3 secondEdgeInner = center.AbsolutePosition + RenderConfig.GetSecondSolidCorner(direction);
//Solid center region
weightsMesh.AddTriangle(center.AbsolutePosition, firstEdgeInner, secondEdgeInner);
weightsMesh.AddTriangleColor(CenterWeights);
Vector3 firstEdgeOuter = (firstEdgeInner + right.AbsolutePosition + RenderConfig.GetSecondSolidCorner(direction.Opposite())) / 2f;
Vector3 secondEdgeOuter = (secondEdgeInner + right.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction.Opposite())) / 2f;
//The edge between Center and Right, going up to the dividing line
weightsMesh.AddQuad(firstEdgeInner, secondEdgeInner, firstEdgeOuter, secondEdgeOuter);
weightsMesh.AddQuadColor(CenterWeights, CenterRightWeights);
//Previous corner out to the edge of the cell
weightsMesh.AddTriangle(firstEdgeInner, center.AbsolutePosition + RenderConfig.GetFirstCorner(direction), firstEdgeOuter);
weightsMesh.AddTriangleColor(CenterWeights, CenterLeftRightWeights, CenterRightWeights);
//Next corner out to the edge of the cell
weightsMesh.AddTriangle(secondEdgeInner, secondEdgeOuter, center.AbsolutePosition + RenderConfig.GetSecondCorner(direction));
weightsMesh.AddTriangleColor(CenterWeights, CenterRightWeights, CenterRightNextRightWeights);
}
private void TriangulateCultureCorners_River(
IHexCell center, IHexCell left, IHexCell right, IHexCell nextRight, HexDirection direction,
ICivilization centerOwner, ReadOnlyCollection <Vector2> centerRightContour, IHexMesh cultureMesh
)
{
Color cultureColor = centerOwner.Template.Color;
if (left != null && CivTerritoryLogic.GetCivClaimingCell(left) != centerOwner)
{
float ccwTransparency = 1f, cwTransparency;
Vector2 innerCCW, innerCW, outerCCW, outerCW;
float cultureWidth = (centerRightContour.First() - center.AbsolutePositionXZ).magnitude * RenderConfig.CultureWidthPercent;
int i = 0;
do
{
outerCCW = centerRightContour[i];
outerCW = centerRightContour[i + 1];
float distanceFromStart = (centerRightContour.First() - outerCW).magnitude;
cwTransparency = Mathf.Clamp01(1f - distanceFromStart / cultureWidth);
innerCCW = Vector2.Lerp(outerCCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
innerCW = Vector2.Lerp(outerCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
cultureMesh.AddQuad(
new Vector3(innerCCW.x, 0f, innerCCW.y), new Vector3(innerCW.x, 0f, innerCW.y),
new Vector3(outerCCW.x, 0f, outerCCW.y), new Vector3(outerCW.x, 0f, outerCW.y)
);
cultureMesh.AddQuadUV(
new Vector2(0f, 0f), new Vector2(0f, 0f), new Vector2(0f, ccwTransparency), new Vector2(0f, cwTransparency)
);
cultureMesh.AddQuadColor(cultureColor);
ccwTransparency = cwTransparency;
i++;
} while(cwTransparency > 0f && i < centerRightContour.Count - 1);
}
if (nextRight != null && CivTerritoryLogic.GetCivClaimingCell(nextRight) != centerOwner)
{
float cwTransparency = 1f, ccwTransparency;
Vector2 innerCCW, innerCW, outerCCW, outerCW;
float cultureWidth = (centerRightContour.Last() - center.AbsolutePositionXZ).magnitude * RenderConfig.CultureWidthPercent;
int i = centerRightContour.Count - 1;
do
{
outerCCW = centerRightContour[i - 1];
outerCW = centerRightContour[i];
float distanceFromStart = (centerRightContour.Last() - outerCCW).magnitude;
ccwTransparency = Mathf.Clamp01(1f - distanceFromStart / cultureWidth);
innerCCW = Vector2.Lerp(outerCCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
innerCW = Vector2.Lerp(outerCW, center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
cultureMesh.AddQuad(
new Vector3(innerCCW.x, 0f, innerCCW.y), new Vector3(innerCW.x, 0f, innerCW.y),
new Vector3(outerCCW.x, 0f, outerCCW.y), new Vector3(outerCW.x, 0f, outerCW.y)
);
cultureMesh.AddQuadUV(
new Vector2(0f, 0f), new Vector2(0f, 0f), new Vector2(0f, ccwTransparency), new Vector2(0f, cwTransparency)
);
cultureMesh.AddQuadColor(cultureColor);
cwTransparency = ccwTransparency;
i--;
}while(ccwTransparency > 0f && i > 0);
}
}