// Internal parser for callback OnCDemoPacket, responsible for extracting
// multiple inner packets from a single CDemoPacket. This is the main structure
// that contains all other data types in the demo file.
func (p *Parser) onCDemoPacket(m *dota.CDemoPacket) error {
// Create a slice to store pending mesages. Messages are read first as
// pending messages then sorted before dispatch.
ms := make(pendingMessages, 0, 2)
// Read all messages from the buffer. Messages are packed serially as
// {type, size, data}. We keep reading until until less than a byte remains.
r := newReader(m.GetData())
for r.remBytes() > 0 {
t := int32(r.readUBitVar())
size := r.readVarUint32()
buf := r.readBytes(size)
ms = append(ms, &pendingMessage{p.Tick, t, buf})
}
// Sort messages to ensure dependencies are met. For example, we need to
// process string tables before game events that may reference them.
sort.Sort(ms)
// Dispatch messages in order, returning on handler error.
for _, m := range ms {
if err := p.Callbacks.callByPacketType(m.t, m.buf); err != nil {
return err
}
}
return nil
}
// Internal parser for callback OnCDemoPacket, responsible for extracting
// multiple inner packets from a single CDemoPacket. This is the main structure
// that contains all other data types in the demo file.
func (p *Parser) onCDemoPacket(m *dota.CDemoPacket) error {
// Create a slice to store pending mesages. Messages are read first as
// pending messages then sorted before dispatch.
ms := make(pendingMessages, 0)
// Read all messages from the buffer. Messages are packed serially as
// {type, size, data}. We keep reading until until less than a byte remains.
r := NewReader(m.GetData())
for r.remBytes() > 0 {
t := int32(r.readUBitVar())
size := int(r.readVarUint32())
buf := r.readBytes(size)
ms = append(ms, &pendingMessage{p.Tick, t, buf})
}
// Sort messages to ensure dependencies are met. For example, we need to
// process string tables before game events that may reference them.
sort.Sort(ms)
// Dispatch messages in order.
for _, m := range ms {
// Skip message we don't have a definition for (yet)
// XXX TODO: remove this when we get updated protos.
if m.t == 400 {
continue
}
// Call each packet, panic if we encounter an error.
// XXX TODO: this should return the error up the chain. Panic for debugging.
if err := p.CallByPacketType(m.t, m.buf); err != nil {
panic(err)
}
}
return nil
}