demostf/demo.js
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move handlers for each packet to their own file

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This commit is contained in:
Robin Appelman 2015-04-01 20:56:04 +02:00
commit 9d5e599f89
13 changed files with 431 additions and 392 deletions
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81
handlers/packet/packetEntities.js Normal file
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@ -0,0 +1,81 @@
var PVS = {
PRESERVE: 0,
ENTER : 1,
LEAVE : 2,
DELETE : 3
};
function readIndex(stream, baseIndex) {
// https://github.com/skadistats/smoke/blob/a2954fbe2fa3936d64aee5b5567be294fef228e6/smoke/io/stream/entity.pyx#L15
var encodedIndex = stream.readBits(6);
if (encodedIndex & 0x30) {
var a = (encodedIndex >> 4) & 3;
var b = (a == 3) ? 16 : 0;
var i = stream.readBits(4 * a + b) << 4;
encodedIndex = i | (encodedIndex & 0x0f);
}
return baseIndex + encodedIndex + 1;
}
function readPVS(stream) {
// https://github.com/skadistats/smoke/blob/a2954fbe2fa3936d64aee5b5567be294fef228e6/smoke/io/stream/entity.pyx#L24
var pvs;
var hi = stream.readBoolean();
var low = stream.readBoolean();
if (low && !hi) {
pvs = PVS.ENTER;
} else if (!(hi || low)) {
pvs = PVS.PRESERVE;
} else if (hi) {
pvs = (low) ? (PVS.LEAVE | PVS.DELETE) : PVS.LEAVE;
} else {
pvs = -1;
}
return pvs;
}
module.exports = function (stream) { //26: packetEntities
// todo
var maxEntries = stream.readBits(11);
var isDelta = !!stream.readBits(1);
if (isDelta) {
var delta = stream.readInt32();
} else {
delta = null;
}
var baseLink = !!stream.readBits(1);
var updatedEntries = stream.readBits(11);
var length = stream.readBits(20);
var updatedBaseLink = !!stream.readBits(1);
var end = stream._index + length;
var entities = [];
//console.log('max: ' + maxEntries);
//var entityId = -1;
//
//for (var i = 0; i < updatedEntries; i++) {
// entityId = readIndex(stream, entityId);
// var pvs = readPVS(stream);
// if (pvs = PVS.PRESERVE) {
//
// }
//}
stream._index = end;
//var ent = {
// packetType : 'packetEntities',
// maxEntries : maxEntries,
// isDelta : isDelta,
// delta : delta,
// baseLink : baseLink,
// updatedEntries : updatedEntries,
// length : length,
// updatedBaseLink: updatedBaseLink
//};
//console.log(ent);
//console.log(entities);
//process.exit();
return {
packetType: 'packetEntities',
entities : entities
};
}