public unsafe void Run()
{
var timer = new Timer();
timer.start();
// for fps info update
int lastTick = timer.read_ms();
string infoString = "";
SDCardManager.Mount();
_background = new Bitmap("BACK.DAT", 480, 272);
_sprite = new Bitmap("SPRITE.DAT", 64, 64);
_font = Font.LoadFromFile("DEJAVU.FNT");
// create double buffered display
var canvas = new Canvas();
var sprites = new List<Sprite>();
var r = new Random();
for (int i = 0; i < 20; i++)
{
sprites.Add(new Sprite
{
X = r.Next(480 - 64),
Y = r.Next(272 - 64),
Width = (int)_sprite.Width,
Height = (int)_sprite.Height,
Dx = r.Next(2) == 0 ? 2 : -2,
Dy = r.Next(2) == 0 ? 2 : -2
});
}
while (true)
{
canvas.Clear(_background);
foreach (var sprite in sprites)
{
canvas.DrawBitmap(_sprite, 0, 0, sprite.X, sprite.Y, 64, 64);
sprite.Step(Canvas.ScreenWidth, Canvas.ScreenHeight);
}
// show info every couple of seconds
if (timer.read_ms() - lastTick > 2000)
{
// string.format broken?
//infoString = String.Format("FPS: {0} MEMAVAIL: {1} MEMALOC: {2}",
// display.Fps,
// Microsoft.Zelig.Runtime.MemoryManager.Instance.AvailableMemory,
// Microsoft.Zelig.Runtime.MemoryManager.Instance.AllocatedMemory);
infoString = "FPS: " + canvas.Fps.ToString() + " MEMAVAIL: " + Microsoft.Zelig.Runtime.MemoryManager.Instance.AvailableMemory.ToString();
lastTick = timer.read_ms();
}
canvas.DrawString(infoString, 0, 0, _font);
// show the back buffer
canvas.Flip();
}
}
/// <summary>
/// Draws a bitmap to the screen
/// </summary>
/// <param name="bitmap">bitmap to draw</param>
/// <param name="sx">source x</param>
/// <param name="sy">source y</param>
/// <param name="dx">destination x</param>
/// <param name="dy">destination y</param>
/// <param name="width">width</param>
/// <param name="height">height</param>
public void DrawBitmap(Bitmap bitmap, int sx, int sy, int dx, int dy, int width, int height)
{
// clip rectangles
Clip(ref dx, ref width, ref sx, _clip.X, _clip.Width);
Clip(ref dy, ref height, ref sy, _clip.Y, _clip.Height);
if (width > 0 && height > 0)
{
fixed (byte* ptr = bitmap.Data)
{
DisplayInterop.LCD_DrawImageWithAlpha((UInt32*)ptr, sx, sy, bitmap.Width, dx, dy, width, height);
}
/*fixed (byte* ptr = bitmap.Data)
{
UInt32* backBuffer = (UInt32*)GetBackBufferAddress();
UInt32* source = (UInt32*)ptr + (sx + sy * bitmap.Width);
UInt32* destination = backBuffer + (dx + dy * ScreenWidth);
int sourceRemain = bitmap.Width - width;
int destinationRemain = ScreenWidth - width;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
*destination = AlphaBlend(*destination, *source);
destination++;
source++;
}
source += sourceRemain;
destination += destinationRemain;
}
}*/
}
}
/// <summary>
/// Load in font template file
/// </summary>
/// <param name="fileName"></param>
/// <returns>loaded font</returns>
public static Font LoadFromFile(string fileName)
{
Font font = new Font();
Dictionary<int, Page> pages = new Dictionary<int, Page>();
Dictionary<char, Character> characters = new Dictionary<char, Character>();
//Dictionary<Kerning, int> kernings = new Dictionary<Kerning, int>();
byte[] data = SDCardManager.ReadAllBytes(fileName);
int i = 0;
int k;
int l = 0;
char[] lineChars = new char[255];
string line;
int commonWidth = 0, commonHeight = 0;
while (i < data.Length)
{
k = i;
l = 0;
while (k < data.Length && data[k] != 10)
{
if (data[k] != 10 && data[k] != 13)
{
lineChars[l] = (char)data[k];
l++;
}
k++;
}
line = new string(lineChars, 0, l);
i = k + 1;
string[] items = line.Split(' ');
if (items.Length != 0)
{
switch (items[0])
{
case "common":
commonWidth = GetInt(items, "scaleW");
commonHeight = GetInt(items, "scaleH");
break;
case "page":
int id = GetInt(items, "id");
string file = GetString(items, "file").Trim('"');
Bitmap texture = new Bitmap(file, commonWidth, commonHeight);
pages.Add(id, new Page(id, file, texture));
break;
case "char":
var character = new Character
{
Id = (char)GetInt(items, "id"),
Rect = new Rect(GetInt(items, "x"), GetInt(items, "y"), GetInt(items, "width"), GetInt(items, "height")),
Offset = new Point(GetInt(items, "xoffset"), GetInt(items, "yoffset")),
XAdvance = GetInt(items, "xadvance"),
Page = GetInt(items, "page"),
Channel = GetInt(items, "chnl")
};
characters.Add(character.Id, character);
break;
/*case "kerning":
var kerning = new Kerning
{
First = (char)GetInt(items, "first"),
Second = (char)GetInt(items, "second")
};
kernings.Add(kerning, GetInt(items, "amount"));
break;*/
}
}
}
font.Pages = pages;
font.Characters = characters;
//font.Kernings = kernings;
return font;
}
/// <summary>
/// Clear the screen with given bitmap
/// </summary>
/// <param name="bitmap">bitmap to clear with</param>
public void Clear(Bitmap bitmap)
{
if (bitmap.Width != ScreenWidth || bitmap.Height != ScreenHeight)
{
throw new Exception("Bitmap has to match screen size");
}
int pixels = bitmap.Width * bitmap.Height;
fixed (byte* ptr = bitmap.Data)
{
UInt32* back = (UInt32*)GetBackBufferAddress();
UInt32* pixel = (UInt32*)ptr;
UInt32 i;
for (i = 0; i < pixels; i++)
{
*back = *pixel;
// *back++ = *pixel++ bugged?
back++;
pixel++;
}
}
}
public Page(int id, string fileName, Bitmap texture)
{
FileName = fileName;
Id = id;
Texture = texture;
}