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Kasianov Nikolai Alekseevich 11 months ago
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  1. 1
      .gitignore
  2. 674
      COPYING
  3. 14
      Makefile
  4. 67
      src/conf/configuration.go
  5. 20
      src/go.mod
  6. 104
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  7. 45
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  8. 257
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  9. 48
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      src/resources/PixeloidMono.otf
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  16. BIN
      src/resources/pixeloid.zip
  17. BIN
      src/resources/thirteen-pixel-fonts.zip
  18. 74
      src/save/save.go
  19. 12
      src/util/font.go
  20. 13
      src/util/icon.go
  21. 56
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GNU GENERAL PUBLIC LICENSE
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
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:
<program> Copyright (C) <year> <name of author>
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
<https://www.gnu.org/licenses/>.
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
<https://www.gnu.org/licenses/why-not-lgpl.html>.

14
Makefile
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@ -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

67
src/conf/configuration.go
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@ -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
}

20
src/go.mod
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@ -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
)

104
src/go.sum
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@ -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=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63 h1:3AGKexOYqL+ztdWdkB1bDwXgPBuTS/S8A4WzuTvJ8Cg=
golang.org/x/exp/shiny v0.0.0-20230817173708-d852ddb80c63/go.mod h1:UH99kUObWAZkDnWqppdQe5ZhPYESUw8I0zVV1uWBR+0=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20200801110659-972c09e46d76/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.12.0 h1:w13vZbU4o5rKOFFR8y7M+c4A5jXDC0uXTdHYRP8X2DQ=
golang.org/x/image v0.12.0/go.mod h1:Lu90jvHG7GfemOIcldsh9A2hS01ocl6oNO7ype5mEnk=
golang.org/x/image v0.15.0 h1:kOELfmgrmJlw4Cdb7g/QGuB3CvDrXbqEIww/pNtNBm8=
golang.org/x/image v0.15.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mobile v0.0.0-20210208171126-f462b3930c8f/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
golang.org/x/mobile v0.0.0-20230922142353-e2f452493d57 h1:Q6NT8ckDYNcwmi/bmxe+XbiDMXqMRW1xFBtJ+bIpie4=
golang.org/x/mobile v0.0.0-20230922142353-e2f452493d57/go.mod h1:wEyOn6VvNW7tcf+bW/wBz1sehi2s2BZ4TimyR7qZen4=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190429190828-d89cdac9e872/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200918174421-af09f7315aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
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=

45
src/logger/logger.go
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@ -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...)
}

257
src/main.go
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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)
}
}

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src/resources.go
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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
}

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src/save/save.go
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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
}

12
src/util/font.go
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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
}

13
src/util/icon.go
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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
}

56
src/util/image.go
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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
}
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