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Implemented _writeRaw(long,int)

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Collin Smith 2020-08-09 23:05:38 -07:00
parent 11555397e3
commit f901989e14
1 changed files with 30 additions and 3 deletions
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33
core/src/com/riiablo/io/BitOutput.java
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@ -110,10 +110,37 @@ public class BitOutput {
void writeSigned(long value, int bits) {
assert bits > 0 : "bits(" + bits + ") <= " + 0;
assert bits <= Long.SIZE : "bits(" + bits + ") > " + Long.SIZE;
// bits == Long.SIZE write raw?
final int shift = Long.SIZE - bits;
assert shift > 0 : "shift(" + shift + ") <= " + 0;
value = value << shift >> shift;
value = (value << shift >> shift) & MASKS[bits];
_writeRaw(value, bits);
}
void _writeRaw(long value, int bits) {
assert bits > 0 : "bits(" + bits + ") < " + 1;
assert bits <= Long.SIZE : "bits(" + bits + ") > " + Long.SIZE;
assert bitsCached < Byte.SIZE : "bitsCached(" + bitsCached + ") > " + (Byte.SIZE - 1);
incrementBitsWritten(bits);
cache |= (value << bitsCached);
bitsCached += bits;
final int overflowBits = bitsCached - Long.SIZE;
_writeCache(bits);
if (overflowBits > 0) {
final int overflowShift = Long.SIZE - overflowBits;
cache = (value >>> overflowShift) & MASKS[overflowBits];
}
}
private void _writeCache(int bits) {
assert bits > 0 : "bits(" + bits + ") < " + 1;
assert bits < Long.SIZE : "bits(" + bits + ") > " + (Long.SIZE - 1);
assert bitsCached >= bits : "bitsCached(" + bitsCached + ") < bits(" + bits + ")";
assert bitsCached <= (Long.SIZE + Byte.SIZE - 1) : "bitsCached(" + bitsCached + ") > " + (Long.SIZE + Byte.SIZE - 1);
for (; bitsCached >= Byte.SIZE; bitsCached -= Byte.SIZE) {
final long octet = cache & 0xFF;
byteOutput._write8(octet);
cache >>>= Byte.SIZE;
}
}
public void writeRaw(long value, int bits) {