doodle/cmd/doodle/main.go

290 lines
6.9 KiB
Go

package main
import (
"errors"
"fmt"
"math/rand"
"os"
"regexp"
"runtime"
"runtime/pprof"
"sort"
"strconv"
"time"
"git.kirsle.net/SketchyMaze/doodle/assets"
doodle "git.kirsle.net/SketchyMaze/doodle/pkg"
"git.kirsle.net/SketchyMaze/doodle/pkg/balance"
"git.kirsle.net/SketchyMaze/doodle/pkg/branding"
"git.kirsle.net/SketchyMaze/doodle/pkg/chatbot"
"git.kirsle.net/SketchyMaze/doodle/pkg/gamepad"
"git.kirsle.net/SketchyMaze/doodle/pkg/license"
"git.kirsle.net/SketchyMaze/doodle/pkg/log"
"git.kirsle.net/SketchyMaze/doodle/pkg/native"
"git.kirsle.net/SketchyMaze/doodle/pkg/shmem"
"git.kirsle.net/SketchyMaze/doodle/pkg/sound"
"git.kirsle.net/SketchyMaze/doodle/pkg/sprites"
"git.kirsle.net/SketchyMaze/doodle/pkg/usercfg"
"git.kirsle.net/go/render"
"git.kirsle.net/go/render/sdl"
"github.com/urfave/cli/v2"
sdl2 "github.com/veandco/go-sdl2/sdl"
_ "image/png"
)
// Build number is the git commit hash.
var (
Build = "<dynamic>"
BuildDate string
)
func init() {
if BuildDate == "" {
BuildDate = time.Now().Format(time.RFC3339)
}
// Use all the CPU cores for collision detection and other load balanced
// goroutine work in the app.
runtime.GOMAXPROCS(runtime.NumCPU())
// Seed the random number generator.
rand.Seed(time.Now().UnixNano())
}
func main() {
runtime.LockOSThread()
app := cli.NewApp()
app.Name = "doodle"
app.Usage = fmt.Sprintf("%s - %s", branding.AppName, branding.Summary)
var freeLabel string
if !license.IsRegistered() {
freeLabel = " (shareware)"
}
// Load user settings from disk ASAP.
if err := usercfg.Load(); err != nil {
log.Error("Error loading user settings (defaults will be used): %s", err)
}
// Set default user settings.
if usercfg.Current.CrosshairColor == render.Invisible {
usercfg.Current.CrosshairColor = balance.DefaultCrosshairColor
}
// Set GameController style.
gamepad.SetStyle(gamepad.Style(usercfg.Current.ControllerStyle))
app.Version = fmt.Sprintf("%s build %s%s. Built on %s",
branding.Version,
Build,
freeLabel,
BuildDate,
)
app.Flags = []cli.Flag{
&cli.BoolFlag{
Name: "debug",
Aliases: []string{"d"},
Usage: "enable debug level logging",
},
&cli.StringFlag{
Name: "pprof",
Usage: "record pprof metrics to a filename",
},
&cli.StringFlag{
Name: "chdir",
Usage: "working directory for the game's runtime package",
},
&cli.BoolFlag{
Name: "edit",
Aliases: []string{"e"},
Usage: "edit the map given on the command line (instead of play it)",
},
&cli.StringFlag{
Name: "window",
Aliases: []string{"w"},
Usage: "set the window size (e.g. -w 1024x768) or special value: desktop, mobile, landscape, maximized",
},
&cli.BoolFlag{
Name: "guitest",
Usage: "enter the GUI Test scene on startup",
},
&cli.BoolFlag{
Name: "experimental",
Usage: "enable experimental Feature Flags",
},
&cli.BoolFlag{
Name: "offline",
Usage: "offline mode, disables check for new updates",
},
}
app.Action = func(c *cli.Context) error {
// --chdir into a different working directory? e.g. for Flatpak especially.
if doodlePath := c.String("chdir"); doodlePath != "" {
if err := os.Chdir(doodlePath); err != nil {
log.Error("--chdir: couldn't enter '%s': %s", doodlePath, err)
return err
}
}
// Recording pprof stats?
if cpufile := c.String("pprof"); cpufile != "" {
log.Info("Saving CPU profiling data to %s", cpufile)
fh, err := os.Create(cpufile)
if err != nil {
log.Error("--pprof: can't create file: %s", err)
return err
}
defer fh.Close()
if err := pprof.StartCPUProfile(fh); err != nil {
log.Error("pprof: %s", err)
return err
}
defer pprof.StopCPUProfile()
}
var filename string
if c.NArg() > 0 {
filename = c.Args().Get(0)
}
// Setting a custom resolution?
if c.String("window") != "" {
if err := setResolution(c.String("window")); err != nil {
panic(err)
}
}
// Enable feature flags?
if c.Bool("experimental") || usercfg.Current.EnableFeatures {
balance.FeaturesOn()
}
// Offline mode?
if c.Bool("offline") {
shmem.OfflineMode = true
}
// SDL engine.
engine := sdl.New(
fmt.Sprintf("%s v%s", branding.AppName, branding.Version),
balance.Width,
balance.Height,
)
// Activate game controller event support.
sdl2.GameControllerEventState(1)
// Load the SDL fonts in from bindata storage.
if fonts, err := assets.AssetDir("assets/fonts"); err == nil {
for _, file := range fonts {
data, err := assets.Asset("assets/fonts/" + file)
if err != nil {
panic(err)
}
sdl.InstallFont(file, data)
}
} else {
panic(err)
}
// Preload all sound effects.
sound.PreloadAll()
game := doodle.New(c.Bool("debug"), engine)
game.SetupEngine()
// Reload usercfg - if their settings.json doesn't exist, we try and pick a
// default "hide touch hints" based on touch device presence - which is only
// known after SetupEngine.
usercfg.Load()
// Hide the mouse cursor over the window, we draw our own sprite image for it.
if !native.HasTouchscreen(engine) {
engine.ShowCursor(false)
}
// Set the app window icon.
if engine, ok := game.Engine.(*sdl.Renderer); ok {
if icon, err := sprites.LoadImage(game.Engine, balance.WindowIcon); err == nil {
engine.SetWindowIcon(icon.Image)
} else {
log.Error("Couldn't load WindowIcon (%s): %s", balance.WindowIcon, err)
}
}
if c.Bool("guitest") {
game.Goto(&doodle.GUITestScene{})
} else if filename != "" {
if c.Bool("edit") {
game.EditFile(filename)
} else {
game.PlayLevel(filename)
}
}
// Maximizing the window? with `-w maximized`
if c.String("window") == "maximized" {
log.Info("Maximize main window")
engine.Maximize()
}
// Log what Doodle thinks its working directory is, for debugging.
pwd, _ := os.Getwd()
log.Debug("PWD: %s", pwd)
// Initialize the developer shell chatbot easter egg.
chatbot.Setup()
// Log some basic environment details.
w, h := engine.WindowSize()
log.Info("Has touchscreen? %+v Window size: %dx%d", native.HasTouchscreen(engine), w, h)
game.Run()
return nil
}
sort.Sort(cli.FlagsByName(app.Flags))
sort.Sort(cli.CommandsByName(app.Commands))
err := app.Run(os.Args)
if err != nil {
log.Error(err.Error())
}
}
func setResolution(value string) error {
switch value {
case "desktop", "maximized":
return nil
case "mobile":
balance.Width = 375
balance.Height = 812
if !usercfg.Current.Initialized {
usercfg.Current.HorizontalToolbars = true
}
case "landscape":
balance.Width = 812
balance.Height = 375
default:
var re = regexp.MustCompile(`^(\d+?)x(\d+?)$`)
m := re.FindStringSubmatch(value)
if len(m) == 0 {
return errors.New("--window: must be of the form WIDTHxHEIGHT, i.e. " +
"1024x768, or special keywords desktop, mobile, or landscape.")
}
w, _ := strconv.Atoi(m[1])
h, _ := strconv.Atoi(m[2])
balance.Width = w
balance.Height = h
}
return nil
}