92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
package main
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import (
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"image/color"
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"log"
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"os"
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"github.com/FooSoft/lazarus/formats/dat"
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"github.com/FooSoft/lazarus/formats/dc6"
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"github.com/FooSoft/lazarus/graphics"
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"github.com/veandco/go-sdl2/sdl"
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)
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func loadPalette(path string) (*dat.Palette, error) {
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fp, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer fp.Close()
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return dat.NewFromReader(fp)
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}
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func loadSprite(path string) (*dc6.Sprite, error) {
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fp, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer fp.Close()
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return dc6.NewFromReader(fp)
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}
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func loadSurface(spritePath, palettePath string) (*sdl.Surface, error) {
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sprite, err := loadSprite(spritePath)
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if err != nil {
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return nil, err
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}
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palette, err := loadPalette(palettePath)
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if err != nil {
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return nil, err
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}
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frame := sprite.Directions[0].Frames[0]
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colors := make([]color.RGBA, frame.Width*frame.Height)
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for y := 0; y < frame.Height; y++ {
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for x := 0; x < frame.Width; x++ {
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colors[y*frame.Width+x] = palette.Colors[frame.Data[y*frame.Width+x]]
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}
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}
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return graphics.NewSurfaceFromRgba(colors, frame.Width, frame.Height)
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}
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func main() {
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window, err := sdl.CreateWindow("Viewer", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, 800, 600, sdl.WINDOW_SHOWN)
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if err != nil {
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log.Fatal(err)
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}
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defer window.Destroy()
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renderer, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
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if err != nil {
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log.Fatal(err)
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}
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defer renderer.Destroy()
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sprite, err := loadSurface("/home/alex/loadingscreen.dc6", "/home/alex/pal.dat")
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if err != nil {
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log.Fatal(err)
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}
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texture, err := renderer.CreateTextureFromSurface(sprite)
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if err != nil {
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log.Fatal(err)
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}
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renderer.Clear()
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renderer.Copy(texture, &sdl.Rect{0, 0, 256, 256}, &sdl.Rect{0, 0, 256, 256})
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renderer.Present()
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for running := true; running; {
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for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch event.(type) {
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case *sdl.QuitEvent:
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running = false
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break
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}
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sdl.Delay(1)
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}
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}
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}
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