Shader with implicit truncation of vector type warnings.

ComputeColorTextureIndexed

class ComputeColorTextureIndexed : ComputeColor
{
    stage Texture2DArray TextureArray; // This will be available as 'ComputeColorTextureIndexed.TextureArray'
    stage Texture2D VisibilityMap;
    stage uint Ticks;

    // stream values - available through pipeline stages
    stage stream float3 Position : POSITION0;
    stage stream float3 Normal : NORMAL;
    stage stream float2 TexCoord : TEXCOORD0;
    stage stream float TexIndex : TEXINDEX;

    override float4 Compute()
    {
        //return float4(streams.Position.x/16,streams.Position.y/16,streams.Position.z/16,1);
        uint v = VisibilityMap.Load(int3(streams.Position.xy,0));
        
        // if the tile is not visible and has not been seen then return black	
	    if (v == 0)
		    return float4(0, 0, 0, 1);

        // sample geometry diffuse color
        float4 diffuseColor = TextureArray.Sample(Texturing.Sampler, float3(streams.TexCoord, streams.TexIndex));

	    // if the tile is not visible but has been seen then use a darker diffuse shader
	    if (v < Ticks)
	    {
		    float4 aLighting = float4(0.1, 0.1, 0.1, 1);
		    return diffuseColor * aLighting;
	    }

        // the tile is visible - return full color
        return diffuseColor;
    }
};