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Performance tuning, improve workaround for bukkit scheduler bugs

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This commit is contained in:
Mike Primm 2011-07-19 00:52:05 -05:00
parent b51bb22b9e
commit 2c16c800e9
14 changed files with 412 additions and 303 deletions
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28
src/main/java/org/dynmap/DynmapWorld.java
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@ -348,23 +348,19 @@ public class DynmapWorld {
im.flush();
/* Do binlinear scale to 64x64 */
Color c1 = new Color();
int off = 0;
for(int y = 0; y < height; y += 2) {
for(int x = 0; x < width; x += 2) {
int red = 0;
int green = 0;
int blue = 0;
int alpha = 0;
for(int yy = y; yy < y+2; yy++) {
for(int xx = x; xx < x+2; xx++) {
c1.setARGB(argb[(yy*width)+xx]);
red += c1.getRed();
green += c1.getGreen();
blue += c1.getBlue();
alpha += c1.getAlpha();
}
}
c1.setRGBA(red>>2, green>>2, blue>>2, alpha>>2);
argb[(y*width/2) + (x/2)] = c1.getARGB();
off = y*width;
for(int x = 0; x < width; x += 2, off += 2) {
int p0 = argb[off];
int p1 = argb[off+1];
int p2 = argb[off+width];
int p3 = argb[off+width+1];
int alpha = ((p0 >> 24) & 0xFF) + ((p1 >> 24) & 0xFF) + ((p2 >> 24) & 0xFF) + ((p3 >> 24) & 0xFF);
int red = ((p0 >> 16) & 0xFF) + ((p1 >> 16) & 0xFF) + ((p2 >> 16) & 0xFF) + ((p3 >> 16) & 0xFF);
int green = ((p0 >> 8) & 0xFF) + ((p1 >> 8) & 0xFF) + ((p2 >> 8) & 0xFF) + ((p3 >> 8) & 0xFF);
int blue = (p0 & 0xFF) + (p1 & 0xFF) + (p2 & 0xFF) + (p3 & 0xFF);
argb[off>>1] = (((alpha>>2)&0xFF)<<24) | (((red>>2)&0xFF)<<16) | (((green>>2)&0xFF)<<8) | ((blue>>2)&0xFF);
}
}
/* blit scaled rendered tile onto zoom-out tile */