mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
205 lines
6.8 KiB
Go
205 lines
6.8 KiB
Go
// Copyright 2024 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build ignore
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package main
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import (
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"bufio"
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"bytes"
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_ "embed"
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"fmt"
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"log"
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"os"
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"strings"
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"text/template"
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)
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const license = `// Copyright 2024 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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`
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// gamecontrollerdb.txt is downloaded at https://github.com/mdqinc/SDL_GameControllerDB.
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// To update the database file, run:
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//
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// curl --location --remote-name https://raw.githubusercontent.com/mdqinc/SDL_GameControllerDB/master/gamecontrollerdb.txt
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//go:embed gamecontrollerdb.txt
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var gameControllerDB []byte
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const dbTemplate string = `{{.License}}
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{{.DoNotEdit}}
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{{.BuildConstraints}}
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package gamepaddb
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import (
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_ "embed"
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)
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//go:embed gamecontrollerdb_{{.FileNameSuffix}}.txt
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var controllerBytes []byte
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{{if .HasGLFWGamepads}}
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var additionalGLFWGamepads = []byte(` + "`" + `
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78696e70757401000000000000000000,XInput Gamepad (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757402000000000000000000,XInput Wheel (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757403000000000000000000,XInput Arcade Stick (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757404000000000000000000,XInput Flight Stick (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757405000000000000000000,XInput Dance Pad (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757406000000000000000000,XInput Guitar (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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78696e70757408000000000000000000,XInput Drum Kit (GLFW),platform:Windows,a:b0,b:b1,x:b2,y:b3,leftshoulder:b4,rightshoulder:b5,back:b6,start:b7,leftstick:b8,rightstick:b9,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,dpup:h0.1,dpright:h0.2,dpdown:h0.4,dpleft:h0.8,
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` + "`" + `)
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{{end}}
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func init() {
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if err := Update(controllerBytes); err != nil {
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panic(err)
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}{{if .HasGLFWGamepads}}
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if err := Update(additionalGLFWGamepads); err != nil {
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panic(err)
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}{{end}}
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}
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`
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func main() {
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if err := run(); err != nil {
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log.Fatal(err)
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}
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}
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func run() error {
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// doNotEditor is a special comment for generated files.
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// This follows the standard comment rule (https://pkg.go.dev/cmd/go#hdr-Generate_Go_files_by_processing_source).
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const doNotEdit = "// Code generated by gen.go using 'go generate'. DO NOT EDIT."
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type gamePadPlatform struct {
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filenameSuffix string
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buildConstraints string
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hasGLFWGamepads bool
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}
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platforms := map[string]gamePadPlatform{
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"Windows": {
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filenameSuffix: "windows",
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buildConstraints: "//go:build !microsoftgdk",
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hasGLFWGamepads: true,
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},
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"Mac OS X": {
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filenameSuffix: "macos_darwin",
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buildConstraints: "//go:build !ios",
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},
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"Linux": {
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filenameSuffix: "linbsd",
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buildConstraints: "//go:build (freebsd || (linux && !android) || netbsd || openbsd) && !nintendosdk && !playstation5",
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},
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"iOS": {
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filenameSuffix: "ios",
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},
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"Android": {
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filenameSuffix: "android",
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},
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}
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controllerDBs, err := splitDBsByPlatform(gameControllerDB)
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if err != nil {
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return err
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}
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for sdlPlatformName, platform := range platforms {
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controllerDB, ok := controllerDBs[sdlPlatformName]
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if !ok {
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return fmt.Errorf("failed to find controller db for platform %s in gamecontrollerdb.txt", sdlPlatformName)
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}
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// Write each chunk into separate text file for embedding into respective generated files.
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if err = os.WriteFile(fmt.Sprintf("gamecontrollerdb_%s.txt", platform.filenameSuffix), []byte(controllerDB), 0666); err != nil {
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return err
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}
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path := fmt.Sprintf("db_%s.go", platform.filenameSuffix)
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tmpl, err := template.New(path).Parse(dbTemplate)
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if err != nil {
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return err
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}
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f, err := os.Create(path)
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if err != nil {
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return err
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}
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defer f.Close()
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w := bufio.NewWriter(f)
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if err := tmpl.Execute(w, struct {
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License string
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DoNotEdit string
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BuildConstraints string
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FileNameSuffix string
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HasGLFWGamepads bool
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}{
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License: license,
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DoNotEdit: doNotEdit,
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BuildConstraints: platform.buildConstraints,
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FileNameSuffix: platform.filenameSuffix,
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HasGLFWGamepads: platform.hasGLFWGamepads,
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}); err != nil {
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return err
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}
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if err := w.Flush(); err != nil {
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return err
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}
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}
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return nil
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}
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func splitDBsByPlatform(controllerDB []byte) (map[string]string, error) {
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s := bufio.NewScanner(bytes.NewReader(controllerDB))
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dbs := map[string]string{}
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for s.Scan() {
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line := s.Text()
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if strings.HasPrefix(line, "#") {
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continue
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}
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for _, part := range strings.Split(line, ",") {
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if platform, found := strings.CutPrefix(part, "platform:"); found {
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dbs[platform] += line + "\n"
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break
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}
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}
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}
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if err := s.Err(); err != nil {
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return nil, err
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}
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return dbs, nil
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}
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