chibicitiberiu/city-generation
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Implemented population center generator

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This commit is contained in:
Tiberiu Chibici
2015-05-22 11:26:29 +03:00
parent e51c74944d
commit b6b2dce32e
23 changed files with 277 additions and 98 deletions
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44
Tools/MapViewer/MapViewer/Business/MapRenderer.cs
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@ -12,7 +12,8 @@ namespace TransportGame.MapViewer
{
None = 0,
Elevation = 1,
All = Elevation
Population = 2,
All = Elevation | Population
};
/// <summary>
@ -36,7 +37,7 @@ namespace TransportGame.MapViewer
private readonly Color WaterColor = Colors.Navy;
private readonly Color ElevationTerrainColor = Colors.White;
private readonly Color TerrainColor = Colors.Gray;
private readonly Color TerrainColor = Colors.Silver;
public MapRenderer()
{
@ -57,14 +58,24 @@ namespace TransportGame.MapViewer
Bitmap24 bitmap = new Bitmap24(Convert.ToInt32(map.Width * Scale), Convert.ToInt32(map.Height * Scale));
// First layer - cells
DrawCells(bitmap, map, (layers & Layers.Elevation) > 0);
DrawPixels(bitmap, map, (layers & Layers.Elevation) > 0, (layers & Layers.Population) > 0);
// Done
return bitmap;
}
}
private void DrawCells(Bitmap24 bitmap, Map map, bool elevation)
private Color AlphaBlend(Color top, Color dst)
{
float A = top.ScA + dst.ScA * (1 - top.ScA);
float R = (top.ScR * top.ScA + dst.ScR * (1 - top.ScA)) / A;
float G = (top.ScG * top.ScA + dst.ScG * (1 - top.ScA)) / A;
float B = (top.ScB * top.ScA + dst.ScB * (1 - top.ScA)) / A;
return Color.FromScRgb(A, R, G, B);
}
private void DrawPixels(Bitmap24 bitmap, Map map, bool elevation, bool population)
{
for (int x = 0; x < bitmap.Width; x++)
for (int y = 0; y < bitmap.Height; y++)
@ -76,17 +87,24 @@ namespace TransportGame.MapViewer
if (map.IsWater(mapX, mapY))
bitmap[x, y] = WaterColor;
// Draw elevation
else if (elevation)
{
float alpha = map.Heightmap[mapX, mapY]; // map.Heights range is [0,1]
bitmap[x, y] = Color.Multiply(ElevationTerrainColor, alpha);
}
// Draw terrain
else
{
bitmap[x, y] = TerrainColor;
// Draw elevation
if (elevation)
{
float alpha = map.Heightmap[mapX, mapY]; // map.Heights range is [0,1]
bitmap[x, y] = Color.Multiply(ElevationTerrainColor, alpha);
}
// No elevation, just put a terrain color
else bitmap[x, y] = TerrainColor;
// Population
if (population)
{
Color popColor = Color.FromScRgb(map.GetPopulation(mapX, mapY) * 0.7f, 1, 0, 1);
bitmap[x, y] = AlphaBlend(popColor, bitmap[x, y]);
}
}
}
}