s2: fake CMsgSource1LegacyGameEventList if missing

Author: markus-wa

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/markus-wa/quickhull-go/v2 v2.2.0
 	github.com/oklog/ulid/v2 v2.1.0
 	github.com/pkg/errors v0.9.1
+	github.com/samber/lo v1.38.1
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63
 	google.golang.org/protobuf v1.31.0

go.sum

@@ -25,8 +25,6 @@ github.com/markus-wa/gobitread v0.2.3 h1:COx7dtYQ7Q+77hgUmD+O4MvOcqG7y17RP3Z7Bbj
 github.com/markus-wa/gobitread v0.2.3/go.mod h1:PcWXMH4gx7o2CKslbkFkLyJB/aHW7JVRG3MRZe3PINg=
 github.com/markus-wa/godispatch v1.4.1 h1:Cdff5x33ShuX3sDmUbYWejk7tOuoHErFYMhUc2h7sLc=
 github.com/markus-wa/godispatch v1.4.1/go.mod h1:tk8L0yzLO4oAcFwM2sABMge0HRDJMdE8E7xm4gK/+xM=
-github.com/markus-wa/ice-cipher-go v0.0.0-20220823210642-1fcccd18c6c1 h1:YH4WI14HARrM3C6mKUMFDBz93O25oWSlLEYGeL27G0w=
-github.com/markus-wa/ice-cipher-go v0.0.0-20220823210642-1fcccd18c6c1/go.mod h1:JIsht5Oa9P50VnGJTvH2a6nkOqDFJbUeU1YRZYvdplw=
 github.com/markus-wa/ice-cipher-go v0.0.0-20230901094113-348096939ba7 h1:aR9pvnlnBxifXBmzidpAiq2prLSGlkhE904qnk2sCz4=
 github.com/markus-wa/ice-cipher-go v0.0.0-20230901094113-348096939ba7/go.mod h1:JIsht5Oa9P50VnGJTvH2a6nkOqDFJbUeU1YRZYvdplw=
 github.com/markus-wa/quickhull-go/v2 v2.2.0 h1:rB99NLYeUHoZQ/aNRcGOGqjNBGmrOaRxdtqTnsTUPTA=
@@ -38,6 +36,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/samber/lo v1.38.1 h1:j2XEAqXKb09Am4ebOg31SpvzUTTs6EN3VfgeLUhPdXM=
+github.com/samber/lo v1.38.1/go.mod h1:+m/ZKRl6ClXCE2Lgf3MsQlWfh4bn1bz6CXEOxnEXnEA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=

pkg/demoinfocs/demoinfocs_test.go

@@ -18,13 +18,15 @@ import (
 	"time"
 
 	dispatch "github.com/markus-wa/godispatch"
+	"github.com/samber/lo"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/protobuf/proto"
 
 	demoinfocs "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs"
 	common "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/common"
 	events "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/events"
 	msg "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/msg"
+	"github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/msgs2"
 )
 
 const (
@@ -214,6 +216,12 @@ func TestS2(t *testing.T) {
 
 	p := demoinfocs.NewParserWithConfig(f, cfg)
 
+	if *update {
+		p.RegisterNetMessageHandler(func(gel *msgs2.CMsgSource1LegacyGameEventList) {
+			lo.Must0(os.WriteFile("s2_CMsgSource1LegacyGameEventList.pb.bin", lo.Must(proto.Marshal(gel)), 0600))
+		})
+	}
+
 	t.Log("Parsing header")
 	_, err = p.ParseHeader()
 	assertions.NoError(err, "error returned by Parser.ParseHeader()")

pkg/demoinfocs/game_events.go

@@ -1,11 +1,13 @@
 package demoinfocs
 
 import (
+	_ "embed"
 	"fmt"
 
 	"github.com/golang/geo/r3"
 	"github.com/markus-wa/go-unassert"
 	"github.com/pkg/errors"
+	"google.golang.org/protobuf/proto"
 
 	common "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/common"
 	events "github.com/markus-wa/demoinfocs-golang/v4/pkg/demoinfocs/events"
@@ -78,7 +80,28 @@ func (p *parser) handleGameEvent(ge *msg.CSVCMsg_GameEvent) {
 	})
 }
 
+//go:embed s2_CMsgSource1LegacyGameEventList.pb.bin
+var gameEventListS2 []byte
+
 func (p *parser) handleGameEventS2(ge *msgs2.CMsgSource1LegacyGameEvent) {
+	if p.gameEventDescs == nil {
+		p.eventDispatcher.Dispatch(events.ParserWarn{
+			Message: "received GameEvent but event descriptors are missing",
+			Type:    events.WarnTypeGameEventBeforeDescriptors,
+		})
+
+		list := new(msgs2.CMsgSource1LegacyGameEventList)
+
+		err := proto.Unmarshal(gameEventListS2, list)
+		if err != nil {
+			p.setError(err)
+
+			return
+		}
+
+		p.handleGameEventListS2(list)
+	}
+
 	keys := make([]*msg.CSVCMsg_GameEventKeyT, 0, len(ge.Keys))
 
 	for _, k := range ge.Keys {