[Release] Cartoon Shader

texture PixelShadTexture; 


sampler screenSampler = sampler_state
{
 Texture = <PixelShadTexture>;
};


float4 main(float2 uv : TEXCOORD0) : COLOR0 
{ 
    float4 Color; 
    float4 Color2; 
    float4 Color3; 
    Color = tex2D( screenSampler , uv.xy);
    Color2 = Color;
    Color3 = Color;
    Color -= tex2D( screenSampler, uv.xy+0.0004)*14.0f;
    Color += tex2D( screenSampler, uv.xy-0.0004)*14.0f;
    Color2 += tex2D( screenSampler, uv.xy+0.0004)*14.0f;
    Color2 -= tex2D( screenSampler, uv.xy-0.0004)*14.0f;
    if (Color.r <= 0.03 && Color.g <= 0.03 && Color.b <= 0.03) {
	return (Color); 
    }
    else if (Color2.r <= 0.03 && Color2.g <= 0.03 && Color2.b <= 0.03) {
	return (Color2); 
    }
    else{
	return Color3*1.5;
    }
};


technique PixelShad
{
 pass P1
 {
  PixelShader = compile ps_2_0 main();
 }
}

local w, h = guiGetScreenSize( );
local enable = false;


addEventHandler( "onClientResourceStart", getResourceRootElement( getThisResource() ),
	function( )
		enablePixelShad();
		bindKey( "F3", "up", enablePixelShad );
	end
)


function renderEffect( )
	dxSetRenderTarget( );
	dxUpdateScreenSource( screenSrc );
	dxDrawImage( 0, 0, w, h, screenShader );
end


function enablePixelShad( )
	enable = not enable;
	if enable then
		screenShader = dxCreateShader( "PixelShad.fx" );
		screenSrc = dxCreateScreenSource( w, h );
		if screenShader and screenSrc then
			dxSetShaderValue( screenShader, "PixelShadTexture", screenSrc );
			addEventHandler( "onClientHUDRender", getRootElement( ), renderEffect );
		end
	else
		if screenShader and screenSrc then
			destroyElement( screenShader );
			destroyElement( screenSrc );
			screenShader, screenSrc = nil, nil;
			removeEventHandler( "onClientHUDRender", getRootElement( ), renderEffect );
		end
	end
end