func info(p pak.MultiPak, args ...string) {
fs := flag.NewFlagSet("info", flag.ExitOnError)
fs.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s -pak <pak0,pak1,...> info [options] <demofile.dem> \n", os.Args[0])
fs.PrintDefaults()
}
fs.Parse(args)
if fs.NArg() == 0 {
log.Fatalf("Need to specify a demo name.")
}
demo := fs.Arg(0)
df, err := p.Get(demo)
if err != nil {
log.Fatalf("Getting %q: %v", demo, err)
}
d := dem.Open(df)
timeUpdates := 0
messages := 0
blockCount := 0
for {
block, err := d.ReadBlock()
if err == io.EOF {
break
}
if err != nil {
log.Fatalf("Demo error: %v", err)
}
blockCount++
msgs, err := block.Messages()
if err != nil {
log.Fatalf("Getting messages: %v", err)
}
timeUpdatesInBlock := 0
for _, msg := range msgs {
messages++
if _, ok := msg.(*dem.MsgTime); ok {
timeUpdates++
timeUpdatesInBlock++
}
}
if timeUpdatesInBlock > 1 {
fmt.Printf("Block %d had %d time updates\n", blockCount, timeUpdatesInBlock)
}
}
fmt.Printf("Blocks: %d\n", blockCount)
fmt.Printf("Messages: %d\n", messages)
fmt.Printf("Time updates: %d\n", timeUpdates)
}
func convert(p pak.MultiPak, args ...string) {
fs := flag.NewFlagSet("convert", flag.ExitOnError)
fs.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s -pak <pak0,pak1,...> convert [options] <demofile.dem> \n", os.Args[0])
fs.PrintDefaults()
}
radiosity := fs.Bool("radiosity", false, "Use radiosity lighting.")
fps := fs.Float64("fps", 30.0, "Frames per second.")
outDir := fs.String("out", "render", "Output directory.")
cameraLight := fs.Bool("camera_light", false, "Add camera light.")
threesixty := fs.Bool("threesixty", false, "360 degree view mode.")
fs.Parse(args)
if fs.NArg() == 0 {
log.Fatalf("Need to specify a demo name.")
}
demo := fs.Arg(0)
df, err := p.Get(demo)
if err != nil {
log.Fatalf("Getting %q: %v", demo, err)
}
d := dem.Open(df)
var oldState *dem.State
newState := dem.NewState()
frameNum := 0
for {
block, err := d.ReadBlock()
if err == io.EOF {
break
}
if err != nil {
log.Fatalf("Demo error: %v", err)
}
if !newState.CameraSetViewAngle {
newState.ViewAngle = block.Header.ViewAngle
}
seenTime := false
msgs, err := block.Messages()
if err != nil {
log.Fatalf("Getting messages: %v", err)
}
for _, msg := range msgs {
msg.Apply(newState)
if _, ok := msg.(*dem.MsgTime); ok {
seenTime = true
} else if m, ok := msg.(*dem.MsgCameraPos); ok {
if *verbose {
fmt.Printf("Camera set to %d\n", m.Entity)
}
} else if m, ok := msg.(*dem.MsgIntermission); ok {
if *verbose {
fmt.Printf("Intermission: %q\n", m.Text)
}
} else if m, ok := msg.(*dem.MsgFinale); ok {
if *verbose {
fmt.Printf("Finale: %q\n", m.Text)
}
} else if m, ok := msg.(*dem.MsgCameraOrientation); ok {
if *verbose {
fmt.Printf("Camera angle set to <%g,%g,%g>\n", m.X, m.Y, m.Z)
}
} else if m, ok := msg.(*dem.MsgSpawnBaseline); ok {
if false {
fmt.Printf("Spawning %d: %+v\n", m.Entity, newState.ServerInfo.Models[m.Model])
}
} else if m, ok := msg.(*dem.MsgUpdate); ok {
if false {
debugEnt := uint16(1)
if m.Entity == debugEnt {
fmt.Printf("MOVE Frame %d Ent %d moved from %v %v to %v %v\n", frameNum, m.Entity,
oldState.Entities[m.Entity].Pos,
oldState.Entities[m.Entity].Angle,
newState.Entities[m.Entity].Pos,
newState.Entities[m.Entity].Angle,
)
}
}
}
}
if seenTime {
anyFrame := false
for n := range newState.Entities {
newState.Entities[n].Visible = newState.SeenEntity[uint16(n)]
}
newState.Entities[0].Visible = true // World.
if oldState != nil {
if *verbose {
fmt.Printf("Saw time, outputting frames between %g and %g\n",
oldState.Time,
newState.Time,
)
}
for _, t := range genTimeFrames(float64(oldState.Time), float64(newState.Time), *fps) {
// TODO: Only generate frames if client state is 2.
if *verbose {
log.Printf("Generating frame %d", frameNum)
}
generateFrame(p, *outDir, oldState, newState, frameNum, t, *cameraLight, *radiosity, *threesixty)
anyFrame = true
frameNum++
}
}
// Only wipe old state if we generate any frame at all.
if oldState == nil || anyFrame {
oldState = newState.Copy()
newState.SeenEntity = make(map[uint16]bool)
}
}
}
}