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Draw the tiles in one bulk go, for even greater performance.

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This commit is contained in:
UnknownShadow200 2016-04-01 16:11:40 +11:00
parent 0993acb4fc
commit 61425389b8
2 changed files with 33 additions and 37 deletions
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8
Launcher2/Gui/Drawer2DExt.cs
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@ -16,13 +16,13 @@ namespace Launcher {
int scaleWidth = scale.Width, scaleHeight = scale.Height;
for( int yy = 0; yy < dstHeight; yy++ ) {
int scaledY = (yy + dstRect.Y) * srcHeight / scaleHeight;
int scaledY = (yy + dstY) * srcHeight / scaleHeight;
int* srcRow = src.GetRowPtr( srcY + (scaledY % srcHeight) );
int* dstRow = dst.GetRowPtr( dstY + yy );
byte rgbScale = (byte)Utils.Lerp( scaleA, scaleB, (float)yy / dstHeight );
for( int xx = 0; xx < dstWidth; xx++ ) {
int scaledX = (xx + dstRect.X) * srcWidth / scaleWidth;
int scaledX = (xx + dstX) * srcWidth / scaleWidth;
int pixel = srcRow[srcX + (scaledX % srcWidth)];
int col = pixel & ~0xFFFFFF; // keep a, but clear rgb
@ -42,11 +42,11 @@ namespace Launcher {
int srcY = srcRect.Y, dstY = dstRect.Y;
for( int yy = 0; yy < dstHeight; yy++ ) {
int* srcRow = src.GetRowPtr( srcY + ((yy + dstRect.Y) % srcHeight) );
int* srcRow = src.GetRowPtr( srcY + ((yy + dstY) % srcHeight) );
int* dstRow = dst.GetRowPtr( dstY + yy );
for( int xx = 0; xx < dstWidth; xx++ )
dstRow[dstX + xx] = srcRow[srcX + ((xx + dstRect.X) % srcWidth)];
dstRow[dstX + xx] = srcRow[srcX + ((xx + dstX) % srcWidth)];
}
}

62
Launcher2/LauncherWindow.Background.cs
View file

@ -44,25 +44,31 @@ namespace Launcher {
void ProcessZipEntry( string filename, byte[] data, ZipEntry entry ) {
MemoryStream stream = new MemoryStream( data );
Bitmap bmp = new Bitmap( stream );
if( filename == "default.png" ) {
Bitmap bmp = new Bitmap( stream );
Drawer.SetFontBitmap( bmp );
useBitmappedFont = !Options.GetBool( OptionsKey.ArialChatFont, false );
} else if( filename == "terrain.png" ) {
int elemSize = bmp.Width / 16;
Size size = new Size( tileSize, tileSize );
terrainBmp = new Bitmap( tileSize * 2, tileSize );
terrainPixels = new FastBitmap( terrainBmp, true );
// Precompute the scaled background
using( FastBitmap src = new FastBitmap( bmp, true ) ) {
Drawer2DExt.DrawScaledPixels( src, terrainPixels, size,
new Rectangle( 2 * elemSize, 0, elemSize, elemSize ),
new Rectangle( tileSize, 0, tileSize, tileSize ), 255, 255 );
Drawer2DExt.DrawScaledPixels( src, terrainPixels, size,
new Rectangle( 1 * elemSize, 0, elemSize, elemSize ),
new Rectangle( 0, 0, tileSize, tileSize ), 96, 96 );
}
using( Bitmap bmp = new Bitmap( stream ) )
MakeClassicTextures( bmp );
}
}
void MakeClassicTextures( Bitmap bmp ) {
int elemSize = bmp.Width / 16;
Size size = new Size( tileSize, tileSize );
terrainBmp = new Bitmap( tileSize * 2, tileSize );
terrainPixels = new FastBitmap( terrainBmp, true );
// Precompute the scaled background
using( FastBitmap src = new FastBitmap( bmp, true ) ) {
Drawer2DExt.DrawScaledPixels( src, terrainPixels, size,
new Rectangle( 2 * elemSize, 0, elemSize, elemSize ),
new Rectangle( tileSize, 0, tileSize, tileSize ), 255, 255 );
Drawer2DExt.DrawScaledPixels( src, terrainPixels, size,
new Rectangle( 1 * elemSize, 0, elemSize, elemSize ),
new Rectangle( 0, 0, tileSize, tileSize ), 96, 96 );
}
}
@ -117,25 +123,15 @@ namespace Launcher {
byte scaleA, byte scaleB, FastBitmap dst, bool scale ) {
if( x >= Width || y >= Height ) return;
Rectangle srcRect = new Rectangle( srcX, 0, tileSize, tileSize );
Size size = new Size( tileSize, tileSize );
int xOrig = x, xMax = x + width, yMax = y + height;
Size size = new Size( tileSize, tileSize );
Rectangle area = new Rectangle( x, y, width, height );
area.Width = Math.Min( area.X + area.Width, dst.Width ) - area.X;
area.Height = Math.Min( area.Y + area.Height, dst.Height ) - area.Y;
for( ; y < yMax; y += tileSize )
for( x = xOrig; x < xMax; x += tileSize )
{
int x2 = Math.Min( x + tileSize, Math.Min( xMax, Width ) );
int y2 = Math.Min( y + tileSize, Math.Min( yMax, Height ) );
Rectangle area = new Rectangle( x, y, x2 - x, y2 - y );
if( area.X >= dst.Width || area.Y >= dst.Height ) continue;
area.Width = Math.Min( area.X + area.Width, dst.Width ) - area.X;
area.Height = Math.Min( area.Y + area.Height, dst.Height ) - area.Y;
if( scale )
Drawer2DExt.DrawScaledPixels( terrainPixels, dst, size, srcRect, area, scaleA, scaleB );
else
Drawer2DExt.DrawTiledPixels( terrainPixels, dst, srcRect, area );
}
if( scale )
Drawer2DExt.DrawScaledPixels( terrainPixels, dst, size, srcRect, area, scaleA, scaleB );
else
Drawer2DExt.DrawTiledPixels( terrainPixels, dst, srcRect, area );
}
}
}