private void DrawOn2DControlTopDownViewWithUnits(float?minHeight, float?maxHeight, Color color)
{
List <TriangleDataModel> triangles = GetFilteredTriangles();
List <(int x, int z)> unitPoints = triangles.ConvertAll(triangle =>
{
int xMin = (int)Math.Max(triangle.GetMinX(), Config.MapGraphics.MapViewXMin - 1);
int xMax = (int)Math.Min(triangle.GetMaxX(), Config.MapGraphics.MapViewXMax + 1);
int zMin = (int)Math.Max(triangle.GetMinZ(), Config.MapGraphics.MapViewZMin - 1);
int zMax = (int)Math.Min(triangle.GetMaxZ(), Config.MapGraphics.MapViewZMax + 1);
List <(int x, int z)> points = new List <(int x, int z)>();
for (int x = xMin; x <= xMax; x++)
{
for (int z = zMin; z <= zMax; z++)
{
float?y = triangle.GetTruncatedHeightOnTriangleIfInsideTriangle(x, z);
if (y.HasValue &&
(!minHeight.HasValue || y.Value >= minHeight.Value) &&
(!maxHeight.HasValue || y.Value <= maxHeight.Value))
{
points.Add((x, z));
}
}
}
return(points);
}).SelectMany(points => points).Distinct().ToList();
List <List <(float x, float y, float z)> > quadList = MapUtilities.ConvertUnitPointsToQuads(unitPoints);
List <List <(float x, float z)> > quadListForControl =
quadList.ConvertAll(quad => quad.ConvertAll(
vertex => MapUtilities.ConvertCoordsForControlTopDownView(vertex.x, vertex.z)));
GL.BindTexture(TextureTarget.Texture2D, -1);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
// Draw quad
GL.Color4(color.R, color.G, color.B, OpacityByte);
GL.Begin(PrimitiveType.Quads);
foreach (List <(float x, float z)> quad in quadListForControl)
{
foreach ((float x, float z) in quad)
{
GL.Vertex2(x, z);
}
}
GL.End();
// Draw outline
if (OutlineWidth != 0)
{
GL.Color4(OutlineColor.R, OutlineColor.G, OutlineColor.B, (byte)255);
GL.LineWidth(OutlineWidth);
foreach (List <(float x, float z)> quad in quadListForControl)
{
GL.Begin(PrimitiveType.LineLoop);
foreach ((float x, float z) in quad)
{
GL.Vertex2(x, z);
}
GL.End();
}
}
GL.Color4(1, 1, 1, 1.0f);
}
