package main

import (
	"surdeus.su/core/gg"
	"surdeus.su/core/gg/ox"
	//"surdeus.su/core/gg/mx"
	"surdeus.su/core/gg/ax"
	"github.com/hajimehoshi/ebiten/v2/examples/resources/images"
	//_ "github.com/silbinarywolf/preferdiscretegpu"
	"bytes"
	"log"
	"fmt"
)

type Context = gg.Context

const (
	LayerHighest gg.Layer = -iota

	LayerDebug
	LayerTriangle
	LayerPlayer
	LayerRect
	LayerBackground

	LayerLowest
)

const (
	Stand ax.AnimationID = iota
	Walk
)


var (
	playerAnimations ax.AnimationSet
	playerImg        *gg.Image
	player           *Player
	rectMove         ox.Rectangle
	rect             *Rect
	tri              *Tri
	bgShader = gg.MustNewShader([]byte(`
		package main

		//kage:unit pixels

		//var cameraScaleX, cameraScaleY
		var Zoom float
		var PosX, PosY float
		var Cage float
		var Width float

		const (
		)

		func Fragment(dst vec4, src vec2, _ vec4) vec4 {
			c := imageSrc0UnsafeAt(src)
			dstSize := imageDstSize()/Zoom
			absDst := vec2(
				dst.x/Zoom - dstSize.x/2 - PosX,
				dst.y/Zoom - dstSize.y/2 - PosY,
			)
			cx := c*step(Cage-Width, mod(absDst.x-Width/2, Cage))
			cy := c*step(Cage-Width, mod(absDst.y-Width/2, Cage))
			if cx.a == 0 {
				return cy
			}
			return cx
		}
	`))
)

func main() {
	e := gg.NewEngine(gg.WindowConfig{
		Title:      "Test title",
		Width:      720,
		Height:     480,
		VSync:      true,
		Fullscreen: false,
	})
	camera = NewCamera()
	e.SetCamera(camera)

	var err error
	playerImg, err = gg.LoadImage(bytes.NewReader(images.Runner_png))
	if err != nil {
		log.Fatal(err)
	}

	rect = NewRect()

	playerAnimations, err = ax.AnimationSetFromImage(
		playerImg,
		8, 3,
		10, 1,
		ax.AD(Stand).DefRow(0, 0, 1, 2, 3, 4),
		ax.AD(Walk).DefRow(1, 0, 1, 2, 3, 4, 5, 6, 7),
	)
	if err != nil {
		panic(err)
	}
	player = NewPlayer()
	tri = NewTri(ox.T())


	/*circle := &gg.Circle{}
	circle.Transform = gg.T()
	circle.Rotation = 300
	circle.Color = gg.Rgba(1, 1, 1, 1)
	circle.Antialias = true
	circle.Layer = HighestL
	circle.Visible = true*/
	//e.Spawn(circle)

	text, err := NewText()
	if err != nil {
		panic(err)
	}
	e.Spawn(text)

	//fmt.Println(rect.GetLayer(), player.GetLayer())
	fmt.Println("Starting...")
	objects := []gg.Object{
		camera, &Debug{},

		player, rect, tri,
		NewGrid(), text,
	}
	for _, object := range objects {
		e.Spawn(object)
	}
	err = e.Run()
	if err != nil {
		panic(err)
	}
}