dynmap-neoforge/src/main/java/org/dynmap/kzedmap/CaveTileRenderer.java
Mike Primm 271990b87c Reduce heap memory allocation on render path (less heap junk) by
replacing java.awt.Color with work-alike, lightweight updatable
alternative.
2011-05-15 22:25:45 -05:00

101 lines
2.3 KiB
Java

package org.dynmap.kzedmap;
import org.dynmap.Color;
import java.util.Map;
import org.bukkit.World;
public class CaveTileRenderer extends DefaultTileRenderer {
public CaveTileRenderer(Map<String, Object> configuration) {
super(configuration);
}
@Override
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result) {
boolean air = true;
result.setTransparent();
for (;;) {
if (y < 0)
return;
int id = world.getBlockTypeIdAt(x, y, z);
if(isnether) { /* Make ceiling into air in nether */
if(id != 0)
id = 0;
else
isnether = false;
}
switch (seq) {
case 0:
x--;
break;
case 1:
y--;
break;
case 2:
z++;
break;
case 3:
y--;
break;
}
seq = (seq + 1) & 3;
switch (id) {
case 20:
case 18:
case 17:
case 78:
case 79:
id = 0;
break;
default:
}
if (id != 0) {
air = false;
continue;
}
if (id == 0 && !air) {
int cr, cg, cb;
int mult = 256;
if (y < 64) {
cr = 0;
cg = 64 + y * 3;
cb = 255 - y * 4;
} else {
cr = (y - 64) * 4;
cg = 255;
cb = 0;
}
switch (seq) {
case 0:
mult = 224;
break;
case 1:
mult = 256;
break;
case 2:
mult = 192;
break;
case 3:
mult = 160;
break;
}
cr = cr * mult / 256;
cg = cg * mult / 256;
cb = cb * mult / 256;
result.setRGBA(cr, cg, cb, 255);
return;
}
}
}
}