local shader = dxCreateShader([[
#define GENERATE_NORMALS
#include "mta-helper.fx"

float transparency = 1.0f;

sampler Sampler0 = sampler_state
{
    Texture = (gTexture0);
};

struct VertexShaderInput
{
    float3 Position 	 : POSITION0;
	float4 Diffuse 		 : COLOR0;
    float2 TexCoord 	 : TEXCOORD0;
	float3 Normal		 : NORMAL0;
};

struct VertexShaderOutput
{
	float4 Position 	 : POSITION0;
	float4 Diffuse 		 : COLOR0;
	float2 TexCoord 	 : TEXCOORD0;
	float3 Normal		 : TEXCOORD1;
};

VertexShaderOutput VertexShaderFunction(VertexShaderInput input)
{
	VertexShaderOutput output = (VertexShaderOutput)0;

	output.Position 	= MTACalcScreenPosition(input.Position);
	output.Diffuse 		= MTACalcGTABuildingDiffuse(input.Diffuse);
	output.Normal 		= MTACalcWorldNormal(input.Normal);
	output.TexCoord 	= input.TexCoord;

	return output;
}

float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0
{
	float4 color = tex2D(Sampler0, input.TexCoord);
	color.a = transparency;
	return color;
}

technique
{
	pass P0
	{
		PixelShader = compile ps_2_0 PixelShaderFunction();
		VertexShader = compile vs_2_0 VertexShaderFunction();
	}
}]], 0, 200, false)

addEventHandler('onClientResourceStart', resourceRoot, function()
	local sW,sH = guiGetScreenSize()
	local myScreenSource = dxCreateScreenSource(sW, sH)

	shader:setValue('screenSource', myScreenSource);
	shader:applyToWorldTexture('waterclear256')

	local input = dxCreateScreenSource(sW, sH)
	local output = dxCreateScreenSource(sW, sH)

	local frameTick = 0.0;
	local update = false;

	addEventHandler('onClientPreRender', root, function(timeSlice)
		if getTickCount() > frameTick then
			frameTick = getTickCount() + (timeSlice * 2);
			iprint('frameTick-update: ', frameTick);
		end
	end )

	-- addEventHandler('onClientHUDRender', root, function()
		-- if not continue then
			-- output:update(true);
			-- shader:setValue('transparency', 0.0);
		-- else
			-- input:update(false);
			-- shader:setValue('transparency', 1.0);
		-- end
		-- continue = not continue
		-- dxDrawImage(0, 0, sW, sH, output)
	-- end )

	addEventHandler('onClientHUDRender', root, function()
		if getTickCount() > frameTick then
			shader:setValue('transparency', 0.0);
			update = true
		else
			shader:setValue('transparency', 1.0);
			if update then
				input:update(false);
				update = false
			end
		end
	end )

	addEventHandler('onClientRender', root, function()
		dxDrawImage(1920 - 800, 0, 800, 600, input)
	end )
end )