89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package main
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import "github.com/veandco/go-sdl2/sdl"
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/*
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#cgo CFLAGS: -I/home/nick/Downloads/include
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#cgo LDFLAGS: -L/home/nick/.local/lib -lprojectM-4
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#include "projectM-4/projectM.h"
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#include <stdlib.h>
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*/
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import "C"
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import (
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"encoding/binary"
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"io"
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"os"
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"unsafe"
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)
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func main() {
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windowWidth := 800
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windowHeight := 600
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err := sdl.Init(sdl.INIT_VIDEO)
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if err != nil {
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panic(err)
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}
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defer sdl.Quit()
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window, err := sdl.CreateWindow("milkbucket", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, int32(windowWidth), int32(windowHeight), sdl.WINDOW_OPENGL|sdl.WINDOW_RESIZABLE)
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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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context, err := window.GLCreateContext()
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if err != nil {
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panic(err)
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}
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defer sdl.GLDeleteContext(context)
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handle := C.projectm_create()
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if handle == nil {
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panic("nil")
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}
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defer C.projectm_destroy(handle)
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C.projectm_set_window_size(handle, C.ulong(windowWidth), C.ulong(windowHeight))
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preset := C.CString("/usr/share/projectM/presets/presets_stock/Zylot - Wisps.milk")
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defer C.free(unsafe.Pointer(preset))
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C.projectm_load_preset_file(handle, preset, false)
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const bufSize uint = 2048
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running := true
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for 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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case *sdl.WindowEvent:
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event := event.(*sdl.WindowEvent)
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switch event.Event {
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case sdl.WINDOWEVENT_RESIZED:
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w, h := event.Data1, event.Data2
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C.projectm_set_window_size(handle, C.ulong(w), C.ulong(h))
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}
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}
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}
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var audioData [bufSize]int16
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err = binary.Read(os.Stdin, binary.LittleEndian, &audioData)
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if err == io.ErrUnexpectedEOF {
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running = false
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break
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} else if err != nil {
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panic(err)
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}
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C.projectm_pcm_add_int16(handle, (*C.int16_t)(&audioData[0]), C.uint(bufSize), C.PROJECTM_STEREO)
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C.projectm_opengl_render_frame(handle)
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window.GLSwap()
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}
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}
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