Package s2prot is a decoder/parser of Blizzard's StarCraft II replay file format (*.SC2Replay).
s2prot processes the "raw" data that can be decoded from replay files using an MPQ parser
such as github.com/icza/mpq.
The package is designed to be used by other packages or apps, and is safe for concurrent use. There is also an example CLI app that can be used standalone.
Parses all versions that were written with retail versions of StarCraft II (and some beta versions too).
Check out the sister project to parse StarCraft: Brood War replays: screp
There is a command line application in the cmd/s2prot folder which can be used to parse and display information about a single replay file.
The extracted data is displayed using JSON representation.
Usage is as simple as:
s2prot [FLAGS] repfile.SC2Replay
Run with -h to see a list of available flags.
Example to parse a file called sample.SC2Replay, and display replay header, game metadata (included by default)
and replay details:
s2prot -details=true sample.SC2Relay
Or simply:
s2prot -details sample.SC2Relay
The package s2prot/rep provides enumerations and types to model data structures
of StarCraft II replays (*.SC2Replay) decoded by the s2prot package. These provide a higher level overview
and much easier to use.
The below example code can be found in https://github.com/icza/s2prot/blob/master/_example/rep.go.
To open and parse a replay:
import "github.com/icza/s2prot/rep"
r, err := rep.NewFromFile("../../mpq/reps/lotv.SC2Replay")
if err != nil {
fmt.Println("%v\n", err)
return
}
defer r.Close()
And that's all! We now have all the info from the replay! Printing some of it:
fmt.Printf("Version: %v\n", r.Header.VersionString())
fmt.Printf("Loops: %d\n", r.Header.Loops())
fmt.Printf("Length: %v\n", r.Header.Duration())
fmt.Printf("Map: %s\n", r.Details.Title())
fmt.Printf("Game events: %d\n", len(r.GameEvts))
fmt.Printf("Message events: %d\n", len(r.MessageEvts))
fmt.Printf("Tracker events: %d\n", len(r.TrackerEvts.Evts))
fmt.Println("Players:")
for _, p := range r.Details.Players() {
fmt.Printf("\tName: %-20s, Race: %c, Team: %d, Result: %v\n",
p.Name, p.Race().Letter, p.TeamId()+1, p.Result())
}
Output:
Version: 3.2.2.42253
Loops: 13804
Length: 14m22.75s
Map: Magma Mines
Game events: 10461
Message events: 32
Tracker events: 1758
Players:
Name: <NoGy>IMBarabba , Race: P, Team: 1, Result: Defeat
Name: <NoGy>Nova , Race: T, Team: 1, Result: Defeat
Name: <9KingS>BiC , Race: T, Team: 2, Result: Victory
Name: <9KingS>DakotaFannin, Race: P, Team: 2, Result: Victory
Tip: the Struct type defines a String() method which returns a nicely formatted JSON representation;
this is what most type are "made of":
fmt.Printf("Full Header:\n%v\n", r.Header)
Output:
Full Header:
{
"dataBuildNum": 42253,
"elapsedGameLoops": 13804,
"ngdpRootKey": {
"data": "\ufffd \ufffd\ufffd\ufffd\ufffd]\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd"
},
"replayCompatibilityHash": {
"data": "\ufffd\ufffd\ufffd'⌂\u001fv\ufffd%\rEĪѓX"
},
"signature": "StarCraft II replay\u001b11",
"type": 2,
"useScaledTime": true,
"version": {
"baseBuild": 42253,
"build": 42253,
"flags": 1,
"major": 3,
"minor": 2,
"revision": 2
}
}
The below example code can be found in https://github.com/icza/s2prot/blob/master/_example/s2prot.go.
To use s2prot, we need an MPQ parser to get content from a replay.
import "github.com/icza/mpq"
m, err := mpq.NewFromFile("../../mpq/reps/automm.SC2Replay")
if err != nil {
panic(err)
}
defer m.Close()
Replay header (which is the MPQ User Data) can be decoded by s2prot.DecodeHeader(). Printing replay version:
header := s2prot.DecodeHeader(m.UserData())
ver := header.Structv("version")
fmt.Printf("Version: %d.%d.%d.%d\n",
ver.Int("major"), ver.Int("minor"), ver.Int("revision"), ver.Int("build"))
// Output: "Version: 2.1.9.34644"
Base build is part of the replay header:
baseBuild := int(ver.Int("baseBuild"))
fmt.Printf("Base build: %d\n", baseBuild)
// Output: "Base build: 32283"
Which can be used to obtain the proper instance of Protocol:
p := s2prot.GetProtocol(baseBuild)
if p == nil {
panic("Unknown base build!")
}
Which can now be used to decode all other info in the replay. To decode the Details and print the map name:
detailsData, err := m.FileByName("replay.details")
if err != nil {
panic(err)
}
details := p.DecodeDetails(detailsData)
fmt.Println("Map name:", details.Stringv("title"))
// Output: "Map name: Hills of Peshkov"
Tip: We can of course print the whole decoded header which is a Struct:
fmt.Printf("Full Header:\n%v\n", header)
Which yields a JSON text similar to the one posted above (at High-level Usage).
-
s2protocol: Blizzard's reference implementation in python: https://github.com/Blizzard/s2protocol
-
s2protocol implementation of the Scelight project: https://github.com/icza/scelight/tree/master/src-app/hu/scelight/sc2/rep/s2prot
-
Replay model of the Scelight project: https://github.com/icza/scelight/tree/master/src-app/hu/scelight/sc2/rep/model
Open-sourced under the Apache License 2.0.
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