mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 21:32:20 +02:00
406 lines
9.6 KiB
Go
406 lines
9.6 KiB
Go
// Copyright 2014 Hajime Hoshi
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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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// +build ignore
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package main
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import (
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"fmt"
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"html/template"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"sync"
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"github.com/hajimehoshi/ebiten/internal"
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)
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const (
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url = "https://hajimehoshi.github.io/ebiten/"
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)
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var (
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examplesDir = filepath.Join("public", "examples")
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)
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func execute(command string, args ...string) error {
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cmd := exec.Command(command, args...)
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return err
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}
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if err := cmd.Start(); err != nil {
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return err
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}
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msg, err := ioutil.ReadAll(stderr)
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if err != nil {
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return err
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}
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if err := cmd.Wait(); err != nil {
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return fmt.Errorf("%v: %s", err, string(msg))
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}
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return nil
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}
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var (
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copyright = ""
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stableVersion = ""
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devVersion = ""
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)
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func init() {
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year, err := internal.LicenseYear()
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if err != nil {
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panic(err)
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}
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copyright = fmt.Sprintf("© %d Hajime Hoshi", year)
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}
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func init() {
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b, err := exec.Command("git", "tag").Output()
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if err != nil {
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panic(err)
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}
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lastStableVersion := ""
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lastCommitTime := 0
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for _, tag := range strings.Split(string(b), "\n") {
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m := regexp.MustCompile(`^v(\d.+)$`).FindStringSubmatch(tag)
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if m == nil {
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continue
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}
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t, err := exec.Command("git", "log", tag, "-1", "--format=%ct").Output()
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if err != nil {
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panic(err)
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}
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tt, err := strconv.Atoi(strings.TrimSpace(string(t)))
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if err != nil {
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panic(err)
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}
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if lastCommitTime >= tt {
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continue
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}
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lastCommitTime = tt
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lastStableVersion = m[1]
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}
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// See the HEAD commit time
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stableVersion = lastStableVersion
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}
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func init() {
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b, err := exec.Command("git", "show", "master:version.txt").Output()
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if err != nil {
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panic(err)
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}
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devVersion = strings.TrimSpace(string(b))
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}
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func comment(text string) template.HTML {
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// http://www.w3.org/TR/html-markup/syntax.html#comments
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// The text part of comments has the following restrictions:
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// * must not start with a ">" character
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// * must not start with the string "->"
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// * must not contain the string "--"
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// * must not end with a "-" character
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for strings.HasPrefix(text, ">") {
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text = text[1:]
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}
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for strings.HasPrefix(text, "->") {
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text = text[2:]
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}
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text = strings.Replace(text, "--", "", -1)
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for strings.HasSuffix(text, "-") {
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text = text[:len(text)-1]
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}
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return template.HTML("<!--\n" + text + "\n-->")
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}
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func safeHTML(text string) template.HTML {
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return template.HTML(text)
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}
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type example struct {
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Name string
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ThumbWidth int
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ThumbHeight int
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ScreenWidth int
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ScreenHeight int
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}
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func (e *example) Width() int {
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if e.ScreenWidth == 0 {
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return e.ThumbWidth * 2
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}
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return e.ScreenWidth
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}
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func (e *example) Height() int {
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if e.ScreenHeight == 0 {
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return e.ThumbHeight * 2
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}
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return e.ScreenHeight
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}
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func (e *example) Source() string {
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const (
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commentFor2048 = `// Please read examples/2048/main.go and examples/2048/2048/*.go`
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commentForBlocks = `// Please read examples/blocks/main.go and examples/blocks/blocks/*.go
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// NOTE: If Gamepad API is available in your browswer, you can use gamepads. Try it out!`
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)
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if e.Name == "2048" {
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return commentFor2048
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}
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if e.Name == "blocks" {
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return commentForBlocks
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}
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path := filepath.Join(os.Getenv("GOPATH"), "src", "github.com", "hajimehoshi", "ebiten", "examples", e.Name, "main.go")
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b, err := ioutil.ReadFile(path)
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if err != nil {
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panic(err)
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}
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str := regexp.MustCompile("(?s)^.*?\n\n").ReplaceAllString(string(b), "")
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str = strings.Replace(str, "\t", " ", -1)
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return str
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}
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func versions() string {
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return fmt.Sprintf("v%s (dev: v%s)", stableVersion, devVersion)
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}
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var (
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gamesExamples = []example{
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{Name: "2048", ThumbWidth: 210, ThumbHeight: 300},
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{Name: "blocks", ThumbWidth: 256, ThumbHeight: 240},
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}
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graphicsExamples = []example{
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{Name: "alphablending", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "filter", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "flood", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "font", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "highdpi", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "hsv", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "hue", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "infinitescroll", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "life", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "mandelbrot", ThumbWidth: 320, ThumbHeight: 320, ScreenWidth: 640, ScreenHeight: 640},
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{Name: "masking", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "mosaic", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "noise", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "paint", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "perspective", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "rotate", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "sprites", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "tiles", ThumbWidth: 240, ThumbHeight: 240},
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}
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inputExamples = []example{
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{Name: "gamepad", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "keyboard", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "typewriter", ThumbWidth: 320, ThumbHeight: 240},
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}
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audioExamples = []example{
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{Name: "audio", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "piano", ThumbWidth: 320, ThumbHeight: 240},
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{Name: "sinewave", ThumbWidth: 320, ThumbHeight: 240},
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}
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)
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func clear() error {
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if err := filepath.Walk("public", func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if m, _ := regexp.MatchString("~$", path); m {
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return nil
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}
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// Remove auto-generated html files.
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m, err := regexp.MatchString(".html$", path)
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if err != nil {
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return err
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}
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if m {
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return os.Remove(path)
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}
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// Remove example resources that are copied.
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m, err = regexp.MatchString("^public/examples/_resources/images$", path)
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if err != nil {
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return err
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}
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if m {
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if err := os.RemoveAll(path); err != nil {
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return err
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}
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return filepath.SkipDir
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}
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return nil
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}); err != nil {
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return err
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}
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return nil
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}
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func outputMain() error {
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f, err := os.Create("public/index.html")
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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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funcs := template.FuncMap{
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"comment": comment,
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"safeHTML": safeHTML,
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}
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const templatePath = "index.tmpl.html"
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name := filepath.Base(templatePath)
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t, err := template.New(name).Funcs(funcs).ParseFiles(templatePath)
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if err != nil {
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return err
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}
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data := map[string]interface{}{
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"URL": url,
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"Copyright": copyright,
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"StableVersion": stableVersion,
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"DevVersion": devVersion,
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"GraphicsExamples": graphicsExamples,
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"InputExamples": inputExamples,
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"AudioExamples": audioExamples,
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"GamesExamples": gamesExamples,
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}
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return t.Funcs(funcs).Execute(f, data)
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}
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func createExamplesDir() error {
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if err := os.RemoveAll(examplesDir); err != nil {
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return err
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}
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if err := os.MkdirAll(examplesDir, 0755); err != nil {
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return err
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}
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return nil
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}
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func outputExampleResources() error {
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// TODO: Using cp command might not be portable.
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// Use io.Copy instead.
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if err := execute("cp", "-R", filepath.Join("..", "examples", "_resources"), filepath.Join(examplesDir, "_resources")); err != nil {
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return err
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}
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return nil
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}
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func outputExampleContent(e *example) error {
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f, err := os.Create(filepath.Join(examplesDir, e.Name+".content.html"))
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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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funcs := template.FuncMap{
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"comment": comment,
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"safeHTML": safeHTML,
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}
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const templatePath = "examplecontent.tmpl.html"
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name := filepath.Base(templatePath)
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t, err := template.New(name).Funcs(funcs).ParseFiles(templatePath)
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if err != nil {
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return err
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}
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data := map[string]interface{}{
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"Copyright": copyright,
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"Example": e,
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}
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if err := t.Funcs(funcs).Execute(f, data); err != nil {
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return err
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}
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out := filepath.Join(examplesDir, e.Name+".js")
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path := "github.com/hajimehoshi/ebiten/examples/" + e.Name
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if err := execute("gopherjs", "build", "--tags", "example", "-m", "-o", out, path); err != nil {
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return err
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}
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return nil
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}
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func outputExample(e *example) error {
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f, err := os.Create(filepath.Join(examplesDir, e.Name+".html"))
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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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funcs := template.FuncMap{
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"comment": comment,
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"safeHTML": safeHTML,
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}
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const templatePath = "example.tmpl.html"
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name := filepath.Base(templatePath)
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t, err := template.New(name).Funcs(funcs).ParseFiles(templatePath)
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if err != nil {
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return err
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}
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data := map[string]interface{}{
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"URL": url,
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"Copyright": copyright,
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"Example": e,
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}
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return t.Funcs(funcs).Execute(f, data)
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}
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func main() {
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if err := clear(); err != nil {
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log.Fatal(err)
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}
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if err := outputMain(); err != nil {
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log.Fatal(err)
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}
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if err := createExamplesDir(); err != nil {
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log.Fatal(err)
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}
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if err := outputExampleResources(); err != nil {
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log.Fatal(err)
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}
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examples := []example{}
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examples = append(examples, graphicsExamples...)
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examples = append(examples, inputExamples...)
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examples = append(examples, audioExamples...)
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examples = append(examples, gamesExamples...)
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wg := sync.WaitGroup{}
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for _, e := range examples {
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e := e
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wg.Add(1)
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go func() {
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defer wg.Done()
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if err := outputExampleContent(&e); err != nil {
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log.Fatal(err)
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}
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if err := outputExample(&e); err != nil {
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log.Fatal(err)
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}
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}()
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}
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wg.Wait()
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}
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