commit bf7d02600d5579c70f634155427825d708060edb Author: Unbewohnte Date: Thu Feb 1 19:44:35 2024 +0300 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..6dd29b7 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +bin/ \ No newline at end of file diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..edd6036 --- /dev/null +++ b/Makefile @@ -0,0 +1,14 @@ +game:=capyclick +bin:=bin + +all: clean + mkdir -p bin + cd src && go build && mv $(game)* ../bin + +cross: clean + mkdir -p bin + cd src && GOOS=windows GOARCH=amd64 go build && mv $(game)* ../bin + + +clean: + rm -rf bin \ No newline at end of file diff --git a/src/conf/configuration.go b/src/conf/configuration.go new file mode 100644 index 0000000..60202fc --- /dev/null +++ b/src/conf/configuration.go @@ -0,0 +1,67 @@ +package conf + +import ( + "encoding/json" + "io" + "os" +) + +const CurrentVersion uint8 = 1 + +type Configuration struct { + ConfigurationVersion uint8 `json:"configurationVersion"` + WindowSize [2]int `json:"windowSize"` + LastWindowPosition [2]int `json:"lastWindowPosition"` +} + +// Returns a reasonable default configuration +func Default() Configuration { + return Configuration{ + ConfigurationVersion: CurrentVersion, + WindowSize: [2]int{640, 280}, + LastWindowPosition: [2]int{0, 0}, + } +} + +// Tries to retrieve configuration from given json file +func FromFile(path string) (*Configuration, error) { + configFile, err := os.Open(path) + if err != nil { + return nil, err + } + defer configFile.Close() + + confBytes, err := io.ReadAll(configFile) + if err != nil { + return nil, err + } + + var config Configuration + err = json.Unmarshal(confBytes, &config) + if err != nil { + return nil, err + } + + return &config, nil +} + +// Creates configuration file with given fields +func Create(path string, conf Configuration) error { + configFile, err := os.Create(path) + if err != nil { + return nil + } + defer configFile.Close() + + configJsonBytes, err := json.MarshalIndent(conf, "", " ") + if err != nil { + return nil + } + + _, err = configFile.Write(configJsonBytes) + if err != nil { + return nil + } + + return nil +} diff --git a/src/go.mod b/src/go.mod new file mode 100644 index 0000000..1b45c07 --- /dev/null +++ b/src/go.mod @@ -0,0 +1,20 @@ +module Unbewohnte/capyclick + +go 1.18 + +require ( + github.com/hajimehoshi/ebiten/v2 v2.6.5 + golang.org/x/image v0.15.0 +) + +require ( + github.com/ebitengine/purego v0.5.0 // indirect + github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200707082815-5321531c36a2 // indirect + github.com/hajimehoshi/ebiten v1.12.12 // indirect + github.com/jezek/xgb v1.1.0 // indirect + golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63 // indirect + golang.org/x/mobile v0.0.0-20230922142353-e2f452493d57 // indirect + golang.org/x/sync v0.3.0 // indirect + golang.org/x/sys v0.12.0 // indirect + golang.org/x/text v0.14.0 // indirect +) diff --git a/src/go.sum b/src/go.sum new file mode 100644 index 0000000..81e0254 --- /dev/null +++ b/src/go.sum @@ -0,0 +1,104 @@ +github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= +github.com/ebitengine/purego v0.5.0 h1:JrMGKfRIAM4/QVKaesIIT7m/UVjTj5GYhRSQYwfVdpo= +github.com/ebitengine/purego v0.5.0/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ= +github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200707082815-5321531c36a2 h1:Ac1OEHHkbAZ6EUnJahF0GKcU0FjPc/V8F1DvjhKngFE= +github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200707082815-5321531c36a2/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= +github.com/gofrs/flock v0.8.0/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU= +github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k= +github.com/hajimehoshi/bitmapfont v1.3.0/go.mod h1:/Qb7yVjHYNUV4JdqNkPs6BSZwLjKqkZOMIp6jZD0KgE= +github.com/hajimehoshi/ebiten v1.12.12 h1:JvmF1bXRa+t+/CcLWxrJCRsdjs2GyBYBSiFAfIqDFlI= +github.com/hajimehoshi/ebiten v1.12.12/go.mod h1:1XI25ImVCDPJiXox4h9yK/CvN5sjDYnbF4oZcFzPXHw= +github.com/hajimehoshi/ebiten/v2 v2.6.4 h1:G6tABZ4/njmi8Qn/l4Bqq49UrONrWW7TKcMMOSjPcpk= +github.com/hajimehoshi/ebiten/v2 v2.6.4/go.mod h1:TZtorL713an00UW4LyvMeKD8uXWnuIuCPtlH11b0pgI= +github.com/hajimehoshi/ebiten/v2 v2.6.5 h1:lALv+qhEK3CBWViyiGpz4YcR6slVJEjCiS7sExKZ9OE= +github.com/hajimehoshi/ebiten/v2 v2.6.5/go.mod h1:TZtorL713an00UW4LyvMeKD8uXWnuIuCPtlH11b0pgI= +github.com/hajimehoshi/file2byteslice v0.0.0-20200812174855-0e5e8a80490e/go.mod h1:CqqAHp7Dk/AqQiwuhV1yT2334qbA/tFWQW0MD2dGqUE= +github.com/hajimehoshi/go-mp3 v0.3.1/go.mod h1:qMJj/CSDxx6CGHiZeCgbiq2DSUkbK0UbtXShQcnfyMM= +github.com/hajimehoshi/oto v0.6.1/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI= +github.com/hajimehoshi/oto v0.6.8/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI= +github.com/jakecoffman/cp v1.0.0/go.mod h1:JjY/Fp6d8E1CHnu74gWNnU0+b9VzEdUVPoJxg2PsTQg= +github.com/jezek/xgb v1.1.0 h1:wnpxJzP1+rkbGclEkmwpVFQWpuE2PUGNUzP8SbfFobk= +github.com/jezek/xgb v1.1.0/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk= +github.com/jfreymuth/oggvorbis v1.0.1/go.mod h1:NqS+K+UXKje0FUYUPosyQ+XTVvjmVjps1aEZH1sumIk= +github.com/jfreymuth/vorbis v1.0.0/go.mod h1:8zy3lUAm9K/rJJk223RKy6vjCZTWC61NA2QD06bfOE0= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= +github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= +github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= 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+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200918232735-d647fc253266/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= diff --git a/src/logger/logger.go b/src/logger/logger.go new file mode 100644 index 0000000..f67a142 --- /dev/null +++ b/src/logger/logger.go @@ -0,0 +1,45 @@ +package logger + +import ( + "io" + "log" + "os" +) + +// 3 basic loggers in global space +var ( + // neutral information logger + infoLog *log.Logger + // warning-level information logger + warningLog *log.Logger + // errors information logger + errorLog *log.Logger +) + +func init() { + infoLog = log.New(os.Stdout, "[INFO] ", log.Ldate|log.Ltime) + warningLog = log.New(os.Stdout, "[WARNING] ", log.Ldate|log.Ltime) + errorLog = log.New(os.Stdout, "[ERROR] ", log.Ldate|log.Ltime) +} + +// Set up loggers to write to the given writer +func SetOutput(writer io.Writer) { + if writer == nil { + writer = io.Discard + } + infoLog.SetOutput(writer) + warningLog.SetOutput(writer) + errorLog.SetOutput(writer) +} + +func Info(format string, a ...interface{}) { + infoLog.Printf(format, a...) +} + +func Warning(format string, a ...interface{}) { + warningLog.Printf(format, a...) +} + +func Error(format string, a ...interface{}) { + errorLog.Printf(format, a...) +} diff --git a/src/main.go b/src/main.go new file mode 100644 index 0000000..3dac3ef --- /dev/null +++ b/src/main.go @@ -0,0 +1,257 @@ +package main + +import ( + "Unbewohnte/capyclick/conf" + "Unbewohnte/capyclick/logger" + "Unbewohnte/capyclick/save" + "Unbewohnte/capyclick/util" + "flag" + "fmt" + "image/color" + "io" + "os" + "path/filepath" + "time" + + "github.com/hajimehoshi/ebiten/v2" + "github.com/hajimehoshi/ebiten/v2/inpututil" + "github.com/hajimehoshi/ebiten/v2/text" + "golang.org/x/image/font" + "golang.org/x/image/font/opentype" +) + +const Version string = "v0.1" + +var ( + silent *bool = flag.Bool("silent", false, "Set to true in order to discard all logging") + version *bool = flag.Bool("version", false, "Prints version information") + noFiles *bool = flag.Bool("no-files", false, "Run the game without outputting/reading configuration or save files") +) + +const ( + ConfigurationFileName string = "capyclickConfig.json" + SaveFileName string = "capyclickSave.json" +) + +var WorkingDir string = "." + +type Game struct { + Config conf.Configuration + Save save.Save +} + +// Resource images +var ( + ImgCapybara1 = ebiten.NewImageFromImage(ImageFromFile("capybara_1.png")) + ImgCapybara2 = ebiten.NewImageFromImage(ImageFromFile("capybara_2.png")) + ImgCapybara3 = ebiten.NewImageFromImage(ImageFromFile("capybara_3.png")) + + GameFont = util.NewFont(ResourceGetFont("PixeloidSans-Bold.otf"), &opentype.FaceOptions{ + Size: 10, + DPI: 72, + Hinting: font.HintingVertical, + }) +) + +// Saves configuration information and game data +func SaveData(game *Game) error { + // Save configuration information and game data + err := save.Create(filepath.Join(WorkingDir, SaveFileName), game.Save) + if err != nil { + logger.Error("[SaveData] Failed to save game data before closing: %s!", err) + return err + } + + err = conf.Create(filepath.Join(WorkingDir, ConfigurationFileName), game.Config) + if err != nil { + logger.Error("[SaveData] Failed to save game configuration before closing: %s!", err) + return err + } + + return nil +} + +func (g *Game) Update() error { + if ebiten.IsWindowBeingClosed() { + return ebiten.Termination + } + + // Update configuration and save information + width, height := ebiten.WindowSize() + g.Config.WindowSize = [2]int{width, height} + + x, y := ebiten.WindowPosition() + g.Config.LastWindowPosition = [2]int{x, y} + + if inpututil.IsKeyJustPressed(ebiten.KeyEscape) { + // Exit + return ebiten.Termination + } + + if inpututil.IsKeyJustPressed(ebiten.KeyF12) { + if ebiten.IsFullscreen() { + // Turn fullscreen off + ebiten.SetFullscreen(false) + } else { + // Go fullscreen + ebiten.SetFullscreen(true) + } + } + + if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) { + // Click! + g.Save.TimesClicked++ + g.Save.Points++ + } + + return nil +} + +func (g *Game) Draw(screen *ebiten.Image) { + // Background + screen.Fill(color.Black) + + // Capybara + op := &ebiten.DrawImageOptions{} + op.GeoM.Scale(15, 15) + op.GeoM.Translate(float64(screen.Bounds().Dx()/3), float64(screen.Bounds().Dy()/3)) + screen.DrawImage(ImgCapybara1, op) + + // Points + msg := fmt.Sprintf("Points: %d", g.Save.Points) + text.Draw( + screen, + msg, + GameFont, + 10, + 20, + color.White, + ) + + // Level + msg = fmt.Sprintf("Level: %d", g.Save.Level) + text.Draw( + screen, + msg, + GameFont, + screen.Bounds().Dx()-len(msg)*10, + 20, + color.White, + ) + + // Times Clicked + msg = fmt.Sprintf("Times Clicked: %d", g.Save.TimesClicked) + text.Draw( + screen, + msg, + GameFont, + 10, + screen.Bounds().Dy()-10, + color.White, + ) +} + +func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) { + scaleFactor := ebiten.DeviceScaleFactor() + return int(float64(outsideWidth) * scaleFactor), int(float64(outsideHeight) * scaleFactor) +} + +func main() { + // Set logging output + logger.SetOutput(os.Stdout) + + // Parse flags + flag.Parse() + + if *version { + fmt.Fprintf(os.Stdout, "Capyclick %s\n(c) 2024 Kasianov Nikolai Alexeevich (Unbewohnte)\n", Version) + os.Exit(0) + } + + if *silent { + // Do not output logs + logger.SetOutput(io.Discard) + } + + // Create a game instance + var game *Game = &Game{ + Config: conf.Default(), + Save: save.Default(), + } + + if !*noFiles { + // Work out working directory + exeDir, err := os.Executable() + if err != nil { + logger.Error("[Init] Failed to get executable's path: %s", err) + os.Exit(1) + } + WorkingDir = filepath.Dir(exeDir) + } else { + WorkingDir = "" + } + + if !*noFiles { + // Open/Create configuration file + var config *conf.Configuration + config, err := conf.FromFile(filepath.Join(WorkingDir, ConfigurationFileName)) + if err != nil { + err = conf.Create(filepath.Join(WorkingDir, ConfigurationFileName), game.Config) + if err != nil { + logger.Error("[Init] Failed to create a new configuration file: %s", err) + os.Exit(1) + } + logger.Info("[Init] Created a new configuration file") + // Proceed with a newly created configuration file + } + + // Replace default config with an opened one (if exists) + if config != nil { + game.Config = *config + } + } + + // Set up window options + ebiten.SetWindowIcon(util.GenerateIcons(ImageFromFile("capybara_2.png"), [][2]uint{ + {32, 32}, + })) + ebiten.SetWindowClosingHandled(true) // So we can save data + ebiten.SetRunnableOnUnfocused(true) + ebiten.SetWindowResizingMode(ebiten.WindowResizingModeEnabled) + ebiten.SetWindowSizeLimits(480, 320, -1, -1) + ebiten.SetTPS(60) + ebiten.SetWindowSize(game.Config.WindowSize[0], game.Config.WindowSize[1]) + ebiten.SetWindowPosition(game.Config.LastWindowPosition[0], game.Config.LastWindowPosition[1]) + ebiten.SetWindowTitle(fmt.Sprintf("Capyclick %s", Version)) + + if !*noFiles { + // Open/Create save file + gameSave, err := save.FromFile(filepath.Join(WorkingDir, SaveFileName)) + if err != nil { + err = save.Create(filepath.Join(WorkingDir, SaveFileName), game.Save) + if err != nil { + logger.Error("[Init] Failed to create a new save file \"%s\": %s", SaveFileName, err) + os.Exit(1) + } + logger.Info("[Init] Created a new save file \"%s\"", SaveFileName) + // Proceed with a new save file + } + + // Replace a blank save with an existing one (if exists) + if gameSave != nil { + gameSave.LastOpenedUnix = uint64(time.Now().Unix()) + game.Save = *gameSave + } + } + + // Run the game + err := ebiten.RunGame(game) + if err == ebiten.Termination || err == nil { + logger.Info("[Main] Shutting down!") + SaveData(game) + os.Exit(0) + } else { + logger.Error("[Main] Fatal game error: %s", err) + os.Exit(1) + } +} diff --git a/src/resources.go b/src/resources.go new file mode 100644 index 0000000..a65937e --- /dev/null +++ b/src/resources.go @@ -0,0 +1,48 @@ +package main + +import ( + "bytes" + "embed" + "image" + + "golang.org/x/image/font/opentype" + "golang.org/x/image/font/sfnt" +) + +//go:embed resources/* +var ResourcesFS embed.FS + +// Reads file with given filename from embedded resources FS and returns its contents +func ResourceGet(filename string) []byte { + data, err := ResourcesFS.ReadFile("resources/" + filename) + if err != nil { + return nil + } + + return data +} + +// Returns a decoded image from an image file +func ImageFromFile(filename string) image.Image { + data := ResourceGet(filename) + if data == nil { + return nil + } + + reader := bytes.NewReader(data) + img, _, err := image.Decode(reader) + if err != nil { + return nil + } + + return img +} + +func ResourceGetFont(fontFile string) *sfnt.Font { + tt, err := opentype.Parse(ResourceGet(fontFile)) + if err != nil { + return nil + } + + return tt +} diff --git a/src/resources/PixeloidMono.otf b/src/resources/PixeloidMono.otf new file mode 100644 index 0000000..859490a Binary files /dev/null and b/src/resources/PixeloidMono.otf differ diff --git a/src/resources/PixeloidSans-Bold.otf b/src/resources/PixeloidSans-Bold.otf new file mode 100644 index 0000000..03f7fa0 Binary files /dev/null and b/src/resources/PixeloidSans-Bold.otf differ diff --git a/src/resources/Thirteen-Pixel-Fonts.ttf b/src/resources/Thirteen-Pixel-Fonts.ttf new file mode 100644 index 0000000..2298089 Binary files /dev/null and b/src/resources/Thirteen-Pixel-Fonts.ttf differ diff --git a/src/resources/capybara_1.png b/src/resources/capybara_1.png new file mode 100644 index 0000000..ad3d25c Binary files /dev/null and b/src/resources/capybara_1.png differ diff --git a/src/resources/capybara_2.png b/src/resources/capybara_2.png new file mode 100644 index 0000000..873d4d8 Binary files /dev/null and b/src/resources/capybara_2.png differ diff --git a/src/resources/capybara_3.png b/src/resources/capybara_3.png new file mode 100644 index 0000000..fc9842a Binary files /dev/null and b/src/resources/capybara_3.png differ diff --git a/src/resources/pixeloid.zip b/src/resources/pixeloid.zip new file mode 100644 index 0000000..120c9d1 Binary files /dev/null and b/src/resources/pixeloid.zip differ diff --git a/src/resources/thirteen-pixel-fonts.zip b/src/resources/thirteen-pixel-fonts.zip new file mode 100644 index 0000000..641334e Binary files /dev/null and b/src/resources/thirteen-pixel-fonts.zip differ diff --git a/src/save/save.go b/src/save/save.go new file mode 100644 index 0000000..410ac9c --- /dev/null +++ b/src/save/save.go @@ -0,0 +1,74 @@ +package save + +import ( + "encoding/json" + "io" + "os" + "time" +) + +const CurrentVersion uint8 = 1 + +type Save struct { + SaveVersion uint8 `json:"saveVersion"` + Points uint64 `json:"points"` + Level uint8 `json:"level"` + CreatedUnix uint64 `json:"createdUnix"` + LastOpenedUnix uint64 `json:"lastOpenedUnix"` + TimesClicked uint64 `json:"timesClicked"` +} + +// Returns a blank save file structure +func Default() Save { + return Save{ + SaveVersion: CurrentVersion, + Points: 0, + Level: 1, + CreatedUnix: uint64(time.Now().Unix()), + LastOpenedUnix: uint64(time.Now().Unix()), + TimesClicked: 0, + } +} + +// Tries to retrieve save from given json file +func FromFile(path string) (*Save, error) { + saveFile, err := os.Open(path) + if err != nil { + return nil, err + } + defer saveFile.Close() + + saveBytes, err := io.ReadAll(saveFile) + if err != nil { + return nil, err + } + + var save Save + err = json.Unmarshal(saveBytes, &save) + if err != nil { + return nil, err + } + + return &save, nil +} + +// Creates save file with given fields +func Create(path string, save Save) error { + saveFile, err := os.Create(path) + if err != nil { + return err + } + defer saveFile.Close() + + saveJsonBytes, err := json.MarshalIndent(save, "", " ") + if err != nil { + return err + } + + _, err = saveFile.Write(saveJsonBytes) + if err != nil { + return err + } + + return nil +} diff --git a/src/util/font.go b/src/util/font.go new file mode 100644 index 0000000..6128300 --- /dev/null +++ b/src/util/font.go @@ -0,0 +1,12 @@ +package util + +import ( + "golang.org/x/image/font" + "golang.org/x/image/font/opentype" + "golang.org/x/image/font/sfnt" +) + +func NewFont(tt *sfnt.Font, options *opentype.FaceOptions) font.Face { + newFont, _ := opentype.NewFace(tt, options) + return newFont +} diff --git a/src/util/icon.go b/src/util/icon.go new file mode 100644 index 0000000..7bbf24f --- /dev/null +++ b/src/util/icon.go @@ -0,0 +1,13 @@ +package util + +import "image" + +// Resizes given image to multiple dimensions +func GenerateIcons(imgSrc image.Image, dimensions [][2]uint) []image.Image { + var icons []image.Image + for _, iDimensions := range dimensions { + icons = append(icons, ResizeImage(imgSrc, iDimensions)) + } + + return icons +} diff --git a/src/util/image.go b/src/util/image.go new file mode 100644 index 0000000..1535c5d --- /dev/null +++ b/src/util/image.go @@ -0,0 +1,56 @@ +package util + +import ( + "bytes" + "image" + "os" + + _ "image/jpeg" + _ "image/png" + + "golang.org/x/image/draw" +) + +// Opens and decodes image +func OpenImage(path string) (image.Image, error) { + // Open image + file, err := os.Open(path) + if err != nil { + return nil, err + } + defer file.Close() + + img, _, err := image.Decode(file) + if err != nil { + return nil, err + } + + return img, nil +} + +// Decodes image from image bytes +func DecodeImage(data []byte) (image.Image, error) { + reader := bytes.NewReader(data) + img, _, err := image.Decode(reader) + + return img, err +} + +// Resizes image to specified dimensions +func ResizeImage(imgSrc image.Image, dimensions [2]uint) image.Image { + imgDst := image.NewRGBA(image.Rect(0, 0, int(dimensions[0]), int(dimensions[1]))) + + draw.NearestNeighbor.Scale(imgDst, imgDst.Rect, imgSrc, imgDst.Rect, draw.Over, nil) + + return imgDst +} + +// Resizes image to specified dimensions +func ResizeImageOpen(path string, dimensions [2]uint) (image.Image, error) { + imgSrc, err := OpenImage(path) + if err != nil { + return nil, err + } + + return ResizeImage(imgSrc, dimensions), nil +}