HEADER
{
	Description = "";
}

FEATURES
{
	#include "common/features.hlsl"
}

MODES
{
	VrForward();
	Depth(); 
	ToolsVis( S_MODE_TOOLS_VIS );
	ToolsWireframe( "vr_tools_wireframe.shader" );
	ToolsShadingComplexity( "tools_shading_complexity.shader" );
}

COMMON
{
	#ifndef S_ALPHA_TEST
	#define S_ALPHA_TEST 1
	#endif
	#ifndef S_TRANSLUCENT
	#define S_TRANSLUCENT 0
	#endif
	
	#include "common/shared.hlsl"
	#include "procedural.hlsl"

	#define S_UV2 1
	#define CUSTOM_MATERIAL_INPUTS
}

struct VertexInput
{
	#include "common/vertexinput.hlsl"
	float4 vColor : COLOR0 < Semantic( Color ); >;
};

struct PixelInput
{
	#include "common/pixelinput.hlsl"
	float3 vPositionOs : TEXCOORD14;
	float3 vNormalOs : TEXCOORD15;
	float4 vTangentUOs_flTangentVSign : TANGENT	< Semantic( TangentU_SignV ); >;
	float4 vColor : COLOR0;
};

VS
{
	#include "common/vertex.hlsl"

	PixelInput MainVs( VertexInput v )
	{
		PixelInput i = ProcessVertex( v );
		i.vPositionOs = v.vPositionOs.xyz;
		i.vColor = v.vColor;

		VS_DecodeObjectSpaceNormalAndTangent( v, i.vNormalOs, i.vTangentUOs_flTangentVSign );

		return FinalizeVertex( i );
	}
}

PS
{
	#include "common/pixel.hlsl"
	
	SamplerState g_sSampler0 < Filter( POINT ); AddressU( WRAP ); AddressV( CLAMP ); >;
	Texture2D g_tSpriteColor < Attribute( "SpriteColor" ); >;
	bool g_bSpriteFlipped < Attribute("SpriteFlipped"); UiGroup( ",0/,0/0" ); Default( 1 ); >;
	bool g_bSelfIllum < Attribute("SelfIllum"); UiGroup( ",0/,0/0" ); Default( 0 ); >;

		RenderState( BlendEnable, true );
	RenderState( SrcBlend, SRC_ALPHA );
	RenderState( DstBlend, INV_SRC_ALPHA );

	RenderState( ColorWriteEnable0, RGBA );
	RenderState( FillMode, SOLID );

	RenderState( CullMode, NONE );
	
	float4 MainPs( PixelInput i ) : SV_Target0
	{
		Material m = Material::Init();
		m.Albedo = float3( 1, 1, 1 );
		m.Normal = float3( 0, 0, 1 );
		m.TintMask = 1;
		m.Opacity = 1;
		m.Emission = float3( 0, 0, 0 );
		m.Transmission = 0;
		
		float2 l_0 = i.vTextureCoords.xy * float2( 1, 1 );
		float2 l_1 = i.vTextureCoords.xy * float2( -1, 1 );
		float2 l_2 = g_bSpriteFlipped ? l_0 : l_1;
		float4 l_3 = Tex2DS( g_tSpriteColor, g_sSampler0, l_2 );
		float4 l_4 = g_bSelfIllum ? l_3 : float4( 0, 0, 0, 0 );
		
		m.Albedo = l_3.xyz;
		m.Emission = l_4.xyz;
		m.Opacity = l_3.a;
		
		m.Opacity = saturate( m.Opacity );

		// for some toolvis shit
		m.WorldTangentU = i.vTangentUWs;
		m.WorldTangentV = i.vTangentVWs;
        m.TextureCoords = i.vTextureCoords.xy;
		
		return ShadingModelStandard::Shade( i, m );
	}
}