local Debug = GameLab.Debug
local AssetBrowser = GameLab.Editor.EditorWindow.Extend("GameLab.Editor.AssetBrowser")
local GL = GameLab.Engine.GL
local Matrix44 = GameLab.Engine.Math.Matrix44
local Engine = GameLab.Engine
local Editor = GameLab.Editor
local IO = GameLab.IO

local inspect = require("inspect")

AssetBrowser.Ctor = function(self)
	self.base.Ctor(self, "AssetBrowser")
end

local shader = nil
local tex

AssetBrowser.OnGUI = function(self)
	if tex == nil then 
		tex = Engine.Resource.LoadTexture("./Resources/Images/tile.png")
		--tex = Engine.Resource.LoadTexture("./Resources/Images/brickwall_small.jpg")
	end

	if shader == nil then 
		-- local glsl = IO.ReadFile("./Resources/Shaders/Editor-Text.glsl", IO.EFileMode.Text) 
		-- shader = Engine.Rendering.Shader.New(glsl)
		shader = Engine.Rendering.Shader.CreateFromFile("./Resources/Shaders/Editor-Text.glsl")
	end 

	local ortho = Matrix44.New() 
    ortho:SetOrtho(0, 400, 400, 0,  0.1, 10)

	Debug.Log("AssetBrowser.OnGUI()")
	GL.ClearColor({0.13, 0.13, 0.13, 1})
	GL.Clear(GL.EBufferType.ColorBuffer)

	Engine.Rendering.UseShader(shader)
	Engine.Rendering.SetMatrix44("gamelab_mat_mvp", ortho)
	Engine.Rendering.SetVector2("gamelab_ui_position", {0, 0})
	--Engine.Rendering.SetTexture("gamelab_main_tex", tex)
	--Engine.Rendering.DrawUIQuad({0, 0, 200, 200})
	Editor.GUI.Text(_G["default_font"], "你好世界！\nHello,World!\nProject Window Properties", 12)	
	
	-- Engine.Rendering.SetVector2("gamelab_ui_position", {0, 100})
	-- Editor.GUI.Text(_G["default_font"], "你好世界！\nHello,World!\nProject Window Properties", 12)	

	--Engine.Rendering.DrawUI9Slicing(1, {25, 25}, {25, 25}, {80, 80}, {400, 30} )
end

AssetBrowser.OnFocus = function(self)

end

return AssetBrowser