76 lines
1.4 KiB
Go
76 lines
1.4 KiB
Go
package ui
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import (
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"fmt"
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"log"
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"runtime"
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"github.com/veandco/go-sdl2/sdl"
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"github.com/veandco/go-sdl2/ttf"
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)
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var renderer *sdl.Renderer
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var font *ttf.Font
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func init() {
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runtime.LockOSThread()
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}
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func Run(romPath string) {
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if err := sdl.Init(sdl.INIT_EVERYTHING); err != nil {
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log.Fatal(err)
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}
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defer sdl.Quit()
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if err := ttf.Init(); err != nil {
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log.Fatal((err))
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}
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defer ttf.Quit()
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window, err := sdl.CreateWindow(
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"GB Player",
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sdl.WINDOWPOS_UNDEFINED,
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sdl.WINDOWPOS_UNDEFINED,
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800, 600,
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sdl.WINDOW_SHOWN)
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if err != nil {
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panic(err)
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}
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defer window.Destroy()
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renderer, err = sdl.CreateRenderer(window, -1, 0)
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if err != nil {
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panic(err)
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}
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defer renderer.Destroy()
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renderer.RenderSetVSync(true)
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font, err = ttf.OpenFont("SourceCodePro.ttf", 18)
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if err != nil {
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log.Fatal(err)
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}
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defer font.Close()
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font.SetStyle(ttf.STYLE_BOLD)
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controller := NewController(renderer)
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controller.Start(romPath)
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}
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func drawDebugWindow(fps float64) {
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// FPS
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textSurface, err := font.RenderUTF8Blended(fmt.Sprintf("FPS: %.2f", fps), sdl.Color{R: 0, G: 0, B: 0, A: 255})
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if err != nil {
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log.Fatal(err)
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}
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defer textSurface.Free()
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textTexture, err := renderer.CreateTextureFromSurface(textSurface)
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if err != nil {
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log.Fatal(err)
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}
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defer textTexture.Destroy()
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textRect := sdl.Rect{X: 0, Y: 0, W: textSurface.W, H: textSurface.H}
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renderer.Copy(textTexture, nil, &textRect)
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}
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