| public GetPixel ( uint x, uint y ) : System.Color | ||
| x | uint | X coordinate of pixel in the image |
| y | uint | Y coordinate of pixel in the image |
| return | System.Color | |
/// <summary>
/// Check if a pixel is collidable at x, y.
/// </summary>
/// <param name="x">The X position of the pixel to check.</param>
/// <param name="y">The Y position of the pixel to check.</param>
/// <returns>True if the pixel collides.</returns>
public bool PixelAt(int x, int y)
{
if (x < 0 || y < 0 || x > Width || y > Height)
{
return(false);
}
if (collideImage.GetPixel((uint)x, (uint)y).A > Threshold)
{
return(true);
}
return(false);
}
/// <summary>
/// Processes a black and white image to determine which areas on a map can or can't be clicked
/// </summary>
/// <param name="path">Path to click map file</param>
/// <param name="pathGrid">Grid object to set</param>
/// <returns></returns>
public static void LoadAndProcessClickMap(string path, PathNode[,] pathNodes, Grid pathGrid, int tileSize)
{
var map = new SFML.Graphics.Image(path);
var clickMap = new bool[map.Size.X, map.Size.Y];
float totalPixelsInTile = tileSize * tileSize;
int totalTrue = 0;
int xMax = 0;
int yMax = 0;
for (int x = 0; x < pathNodes.GetLength(0); x++)
{
for (int y = 0; y < pathNodes.GetLength(1); y++)
{
totalTrue = 0;
xMax = tileSize * x + tileSize;
for (int xMap = tileSize * x; xMap < xMax; xMap++)
{
yMax = tileSize * y + tileSize;
for (int yMap = tileSize * y; yMap < yMax; yMap++)
{
if (xMap < map.Size.X && yMap < map.Size.Y && map.GetPixel((uint)xMap, (uint)yMap).B > 40)
{
totalTrue++;
}
}
}
pathGrid.SetTile(x, y, pathNodes[x, y].Enabled = (totalTrue / totalPixelsInTile) >= .5f);
}
}
}
public uint[] CreateBitmask(Texture texture, Image image)
{
uint[] mask = new uint[texture.Size.X * texture.Size.Y];
for (uint y = 0; y < texture.Size.Y; y++)
for (uint x = 0; x < texture.Size.X; x++)
mask[x + y * texture.Size.X] = image.GetPixel(x, y).A;
Bitmasks.Add(texture, mask);
return mask;
}
/// <summary>
/// Processes a greyscale image to determe a scaling factor for each location on the map
/// </summary>
/// <param name="path">Indigo path to content</param>
/// <param name="minScaleValue">Scaling value that represents black in the image</param>
/// <param name="maxScaleVale">Scaling value that represents white in the image</param>
/// <returns></returns>
public static float[,] LoadAndProcessPerspectiveMap(string path, float minScaleValue, float maxScaleVale)
{
var map = new SFML.Graphics.Image(path);
var perspectiveMap = new float[map.Size.X, map.Size.Y];
float maxValue = maxScaleVale - minScaleValue;
for (uint i = 0; i < map.Size.X; i++)
{
for (uint j = 0; j < map.Size.Y; j++)
{
perspectiveMap[i, j] = (map.GetPixel(i, j).B / 255f) * maxValue + minScaleValue;
}
}
return(perspectiveMap);
}
public static Bitmap BitmapFromTexture(Texture tex)
{
if (tex == null)
{
throw new ArgumentNullException("tex");
}
SFML.Graphics.Image im = tex.CopyToImage();
Bitmap bitmap = new Bitmap((int)im.Size.X, (int)im.Size.Y);
for (uint x = 0; x < im.Size.X; x++)
{
for (uint y = 0; y < im.Size.Y; y++)
{
SFML.Graphics.Color c = im.GetPixel(x, y);
bitmap.SetPixel((int)x, (int)y, System.Drawing.Color.FromArgb(c.A, c.R, c.G, c.B));
}
}
im.Dispose();
return(bitmap);
}
private bool IsUnderCursor(TileObject to, Vector2f cursorProjection)
{
if (!_layersVisibility[(int)to.Layer])
{
return(false);
}
if (to.Icon == null)
{
return(false);
}
for (int i = 0; i < to.Icon.SpritesCount; i++)
{
Texture texture = GetTexture(to.Icon.GetResourceId(i));
if (texture == null)
{
return(false);
}
Image image = texture.CopyToImage();
Vector2f sfmlCursor = cursorProjection;
Vector2f sfmlObject = WorldToSfml(to.Position, to.Offset);
float imageX = sfmlCursor.X - sfmlObject.X;
float imageY = sfmlCursor.Y - sfmlObject.Y;
if (imageX < 0 || imageY < 0 || imageX >= PixelsPerUnit || imageY >= PixelsPerUnit)
{
continue;
}
uint imageXInt = (uint)Math.Round(imageX);
uint imageYInt = (uint)Math.Round(imageY);
if (image.GetPixel(imageXInt, imageYInt).A > 0)
{
return(true);
}
}
return(false);
}
public static void Initialize()
{
var style = Styles.Titlebar | Styles.Close;
size = new Vector2f(Configuration.Width, Configuration.Height);
Window = new RenderWindow(new VideoMode(Configuration.Width, Configuration.Height), "Open Empires", style);
Window.SetFramerateLimit(Configuration.Framerate);
Window.SetVerticalSyncEnabled(Configuration.VSync);
Window.Closed += (sender, args) => Window.Close();
Window.Resized += (sender, args) => Resize(new Vector2f(args.Width, args.Height));
/*Window.MouseButtonPressed += (sender, args) => DispatchEvent(new MouseButtonInputArgs(args.Button, true, args.X, args.Y));
Window.MouseButtonReleased += (sender, args) => DispatchEvent(new MouseButtonInputArgs(args.Button, false, args.X, args.Y));
Window.MouseWheelMoved += (sender, args) => DispatchEvent(new MouseWheelInputArgs(args.Delta, args.X, args.Y));
Window.MouseMoved += (sender, args) => DispatchEvent(new MouseMoveInputArgs(args.X, args.Y));*/
Window.MouseMoved += new EventHandler<MouseMoveEventArgs>(Window_MouseMoved);
Window.MouseWheelMoved += (sender, args) =>
{
/* Mouse wheel zoom implementation where the view will zoom
* towards the area the cursor is pointing to
*/
var mousePos = Mouse.GetPosition(Window);
float relX = (float) mousePos.X / Window.Size.X - 0.5f;
float relY = (float) mousePos.Y / Window.Size.Y - 0.5f;
GameView.Move(new Vector2f {
X = relX * GameView.Size.X,
Y = relY * GameView.Size.Y
});
GameView.Zoom(1 - (args.Delta * 0.1f));
GameView.Move(new Vector2f {
X = -relX * GameView.Size.X,
Y = -relY * GameView.Size.Y
});
};
Window.KeyPressed += (sender, args) =>
{
KeyStates[(int)args.Code] = true;
};
Window.KeyReleased += (sender, args) =>
{
KeyStates[(int)args.Code] = false;
};
Blendomatic.ReadBlendomatic(new System.IO.FileStream("blendomatic.dat", System.IO.FileMode.Open));
map = new Map();
GameView = new View(DefaultView);
GameView.Center = new Vector2f((map.Width/2)*96, 0);
var blend = Blendomatic.BlendingModes[2];
var tile = blend.Tiles[12];
var img = new Image(97, 49);
for (var y = 0; y < img.Size.Y; y++)
for (var x = 0; x < img.Size.X; x++)
img.SetPixel((uint)x, (uint)y, new Color(255, 0, 0, 0));
var i = 0;
for (var y = 0; y < img.Size.X; y++)
{
var bytesPerRow = y < 24 ? 1 + (4 * y) : 97 - (4 * (y - 24));
var startX = 48 - (bytesPerRow / 2);
for (var x = 0; x < bytesPerRow; x++)
img.SetPixel((uint)(startX + x), (uint)y, new Color(0, 0, 0, tile[i++]));
}
var slpFile = new SLPFile();
slpFile.LoadFile("textures/ter15002.slp");
var spritewidth = slpFile.GetFrame(0).m_Width;
var spriteheight = slpFile.GetFrame(0).m_Height;
var imgg = new Image((uint)spritewidth, (uint)(spriteheight ), slpFile.GetFrame(0).GetRGBAArray());
for (var y = 0; y < imgg.Size.Y; y++)
for (var x = 0; x < imgg.Size.X; x++)
{
var col = imgg.GetPixel((uint)x, (uint)y);
col.A = (byte)(Math.Min(255, (128-img.GetPixel((uint)x, (uint)y).A)*2));
if (img.GetPixel((uint)x, (uint)y).R == 255)
col.A = 0;
imgg.SetPixel((uint)x, (uint)y, col);
}
selected = new Sprite(new Texture(imgg));
/* blend sand to forest now */
var blend2 = Blendomatic.BlendingModes[2];
var tile2 = blend2.Tiles[12];
var img2 = new Image(97, 49);
for (var y = 0; y < img2.Size.Y; y++)
for (var x = 0; x < img2.Size.X; x++)
img2.SetPixel((uint)x, (uint)y, new Color(255, 0, 0, 0));
var i2 = 0;
for (var y = 0; y < img.Size.X; y++)
{
var bytesPerRow = y < 24 ? 1 + (4 * y) : 97 - (4 * (y - 24));
var startX = 48 - (bytesPerRow / 2);
for (var x = 0; x < bytesPerRow; x++)
img2.SetPixel((uint)(startX + x), (uint)y, new Color(0, 0, 0, tile[i2++]));
}
var slpFile2 = new SLPFile();
slpFile2.LoadFile("textures/ter15017.slp");
var spritewidth2 = slpFile2.GetFrame(0).m_Width;
var spriteheight2 = slpFile2.GetFrame(0).m_Height;
var imgg2 = new Image((uint)spritewidth2, (uint)(spriteheight2), slpFile2.GetFrame(0).GetRGBAArray());
for (var y = 0; y < imgg2.Size.Y; y++)
for (var x = 0; x < imgg2.Size.X; x++)
{
var col = imgg2.GetPixel((uint)x, (uint)y);
col.A = (byte)(Math.Min(255, (128 - img.GetPixel((uint)x, (uint)y).A) * 2));
if (img2.GetPixel((uint)x, (uint)y).R == 255)
col.A = 0;
imgg2.SetPixel((uint)x, (uint)y, col);
}
selected2 = new Sprite(new Texture(imgg2));
EntManager = new EntityManager();
}
static void Main(string[] args)
{
var palette = new Image("palette.png");
palVec = new Vector3f[256];
for (uint x = 0; x < palVec.Length; x++)
{
palVec[x] = (Vector3f)palette.GetPixel(x, 0);
}
var image = new Image("test.png");
var imgVec = new Vector3f[image.Size.X, image.Size.Y];
var imgRes = new byte[image.Size.X, image.Size.Y];
for (uint y = 0; y < image.Size.Y; y++)
{
for (uint x = 0; x < image.Size.X; x++)
{
imgVec[x, y] = (Vector3f)image.GetPixel(x, y);
}
}
for (uint y = 0; y < image.Size.Y; y++)
{
for (uint x = 0; x < image.Size.X; x++)
{
if (x == 0 || y == 0 || x == image.Size.X - 1 || y == image.Size.Y - 1)
{
imgRes[x, y] = FindClosestColor(imgVec[x, y]);
continue;
}
var oldPix = imgVec[x, y];
var newCol = FindClosestColor(oldPix);
var newPix = palVec[newCol];
var error = oldPix - newPix;
imgRes[x, y] = newCol;
imgVec[x + 1, y + 0] += error * (7.0f / 16.0f);
imgVec[x - 1, y + 1] += error * (3.0f / 16.0f);
imgVec[x + 0, y + 1] += error * (5.0f / 16.0f);
imgVec[x + 1, y + 1] += error * (1.0f / 16.0f);
}
}
for (uint y = 0; y < image.Size.Y; y++)
{
for (uint x = 0; x < image.Size.X; x++)
{
image.SetPixel(x, y, (Color)palVec[imgRes[x, y]]);
}
}
image.SaveToFile("out.png");
var o = File.OpenWrite("out.pic");
for (uint y = 0; y < image.Size.Y; y++)
{
for (uint x = 0; x < image.Size.X; x++)
{
o.WriteByte(imgRes[x, y]);
}
}
o.Dispose();
}