<@include gpu/Config.slh@>
<$VERSION_HEADER$>
//  <$_SCRIBE_FILENAME$>
//  Generated on <$_SCRIBE_DATE$>
//
//  Created by Hifi Engine Team
//  Copyright 2019 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

<@include gpu/Inputs.slh@>
<@include gpu/Color.slh@>
<@include render-utils/ShaderConstants.h@>

<@include gpu/Transform.slh@>
<$declareStandardTransform()$>

<@include graphics/MaterialTextures.slh@>
<$declareMaterialTexMapArrayBuffer()$>

<@if HIFI_USE_DEFORMED or HIFI_USE_DEFORMEDDQ@>
    <@include MeshDeformer.slh@>
    <@if HIFI_USE_DEFORMED@>
        <@if HIFI_USE_SHADOW@>
            <$declareMeshDeformer(_SCRIBE_NULL, _SCRIBE_NULL, 1, _SCRIBE_NULL, 1)$>
        <@elif not HIFI_USE_NORMALMAP@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, _SCRIBE_NULL, 1)$>
        <@else@>
            <$declareMeshDeformer(1, 1, 1, _SCRIBE_NULL, 1)$>
        <@endif@>
    <@else@>
        <@if HIFI_USE_SHADOW@>
            <$declareMeshDeformer(_SCRIBE_NULL, _SCRIBE_NULL, 1, 1, 1)$>
        <@elif not HIFI_USE_NORMALMAP@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, 1, 1)$>
        <@else@>
            <$declareMeshDeformer(1, 1, 1, 1, 1)$>
        <@endif@>
    <@endif@>
    <$declareMeshDeformerActivation(1, 1)$>
<@endif@>

layout(location=RENDER_UTILS_ATTR_POSITION_WS) out vec4 _positionWS;
layout(location=RENDER_UTILS_ATTR_TEXCOORD01) out vec4 _texCoord01;
<@if not HIFI_USE_SHADOW@>
    layout(location=RENDER_UTILS_ATTR_POSITION_ES) out vec4 _positionES;
    layout(location=RENDER_UTILS_ATTR_NORMAL_WS) out vec3 _normalWS;
    layout(location=RENDER_UTILS_ATTR_COLOR) out vec4 _color;
    <@if HIFI_USE_NORMALMAP@>
        layout(location=RENDER_UTILS_ATTR_TANGENT_WS) out vec3 _tangentWS;
    <@endif@>
<@endif@>

void main(void) {
    vec4 positionMS = inPosition;
    vec3 normalMS = inNormal.xyz;
    vec3 tangentMS = inTangent.xyz;

<@if HIFI_USE_DEFORMED or HIFI_USE_DEFORMEDDQ@>
        evalMeshDeformer(inPosition, positionMS,
    <@if not HIFI_USE_SHADOW@>
                            inNormal.xyz, normalMS,
        <@if HIFI_USE_NORMALMAP@>
                                inTangent.xyz, tangentMS,
        <@endif@>
    <@endif@>
                         meshDeformer_doSkinning(_drawCallInfo.y), inSkinClusterIndex, inSkinClusterWeight,
                         meshDeformer_doBlendshape(_drawCallInfo.y), gl_VertexID);
<@endif@>

    TransformCamera cam = getTransformCamera();
    TransformObject obj = getTransformObject();
<@if not HIFI_USE_SHADOW@>
        <$transformModelToWorldAndEyeAndClipPos(cam, obj, positionMS, _positionWS, _positionES, gl_Position)$>
        <$transformModelToWorldDir(cam, obj, normalMS, _normalWS)$>
<@else@>
        <$transformModelToClipPos(cam, obj, positionMS, gl_Position)$>
        <$transformModelToWorldPos(obj, positionMS, _positionWS)$>
<@endif@>

<@if HIFI_USE_NORMALMAP@>
        <$transformModelToWorldDir(cam, obj, tangentMS, _tangentWS)$>
<@endif@>

<@if HIFI_USE_SHADOW@>
        Material mat = getMaterial();
        BITFIELD matKey = getMaterialKey(mat);
        // If we have an opacity mask than we need the first tex coord
        if ((matKey & OPACITY_MASK_MAP_BIT) != 0) {
            TexMapArray texMapArray = getTexMapArray();
            <$evalTexMapArrayTexcoord0(texMapArray, inTexCoord0, _positionWS, _texCoord01.xy)$>
            _texCoord01.zw = vec2(0.0);
        } else {
            _texCoord01 = vec4(0.0);
        }
<@else@>
        _color = color_sRGBAToLinear(inColor);

        TexMapArray texMapArray = getTexMapArray();
        <$evalTexMapArrayTexcoord0(texMapArray, inTexCoord0, _positionWS, _texCoord01.xy)$>
        <$evalTexMapArrayTexcoord1(texMapArray, inTexCoord1, _positionWS, _texCoord01.zw)$>
<@endif@>
}