package world

import (
	coreobjects "github.com/DegustatorPonos/RuinesOfRafdolon/CoreObjects"
	rl "github.com/gen2brain/raylib-go/raylib"
)

var Texture rl.Texture2D

// The scene full of tiles
type World struct {
	TileSize rl.Vector2
	TextureNames map[int]string
	Textures map[int]rl.Texture2D
	Tiles [][]Tile
	Camera rl.Camera2D
}

func (base *World) Create(_ coreobjects.SceneManager) {
	base.Textures = map[int]rl.Texture2D{}
	for k, v := range base.TextureNames {
		var image = rl.LoadImage(v)
		base.Textures[k] = rl.LoadTextureFromImage(image)
		rl.UnloadImage(image)
	}

	base.Camera = rl.Camera2D{}
	base.Camera.Target = rl.Vector2 { X: 0, Y: 0 }
	base.Camera.Offset = rl.Vector2 { X: 0, Y: 0 }
	base.Camera.Rotation = 0
	base.Camera.Zoom = 2
}

func (base *World) Destroy() {
	rl.UnloadTexture(Texture)
}

func (base *World) Update() {
	if rl.IsKeyDown(rl.KeyW) {
		base.Camera.Target.Y -= 0.3
	}
	if rl.IsKeyDown(rl.KeyS) {
		base.Camera.Target.Y += 0.3
	}
	if rl.IsKeyDown(rl.KeyA) {
		base.Camera.Target.X -= 0.3
	}
	if rl.IsKeyDown(rl.KeyD) {
		base.Camera.Target.X += 0.3
	}
}

func (base *World) Draw() {
	rl.BeginMode2D(base.Camera)
	defer rl.EndMode2D()

	for _, r := range base.Tiles {
		for _, v := range r {
			v.Draw()
		}
	}
}