<@include gpu/Config.slh@>
<$VERSION_HEADER$>
//  <$_SCRIBE_FILENAME$>
//  Generated on <$_SCRIBE_DATE$>
//
//  Created by Hifi Engine Team
//  Copyright 2019 High Fidelity, Inc.
//  Copyright 2024 Overte e.V.
//
//  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@>
<$declareMultipleTexCoords()$>

<@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_DEFORMEDDQ@>
        <@if HIFI_USE_SHADOW@>
            <$declareMeshDeformer(_SCRIBE_NULL, _SCRIBE_NULL, 1, 1, 1)$>
        <@elif not HIFI_USE_NORMALMAP@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, 1, 1)$>
        <@elif HIFI_USE_TRIPLANAR@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, 1, 1)$>
        <@else@>
            <$declareMeshDeformer(1, 1, 1, 1, 1)$>
        <@endif@>
    <@else@>
        <@if HIFI_USE_SHADOW@>
            <$declareMeshDeformer(_SCRIBE_NULL, _SCRIBE_NULL, 1, _SCRIBE_NULL, 1)$>
        <@elif not HIFI_USE_NORMALMAP@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, _SCRIBE_NULL, 1)$>
        <@elif HIFI_USE_TRIPLANAR@>
            <$declareMeshDeformer(1, _SCRIBE_NULL, 1, _SCRIBE_NULL, 1)$>
        <@else@>
            <$declareMeshDeformer(1, 1, 1, _SCRIBE_NULL, 1)$>
        <@endif@>
    <@endif@>
    <$declareMeshDeformerActivation(1, 1)$>
<@endif@>

OUTPUT(RENDER_UTILS_ATTR_POSITION_WS, vec4, _positionWS);
OUTPUT(RENDER_UTILS_ATTR_TEXCOORD01, vec4, _texCoord01[NUM_LAYERS]);
<@if not HIFI_USE_SHADOW@>
    OUTPUT(RENDER_UTILS_ATTR_POSITION_ES, vec4, _positionES);
    OUTPUT(RENDER_UTILS_ATTR_NORMAL_WS, vec3, _normalWS);
    <@if not HIFI_USE_MTOON@>
        OUTPUT(RENDER_UTILS_ATTR_COLOR, vec4, _color);
    <@endif@>
    OUTPUT(RENDER_UTILS_ATTR_PREV_POSITION_CS, vec4, _prevPositionCS);
    <@if not HIFI_USE_TRIPLANAR@>
        <@if HIFI_USE_NORMALMAP@>
            OUTPUT(RENDER_UTILS_ATTR_TANGENT_WS, vec3, _tangentWS);
        <@endif@>
    <@endif@>
<@endif@>
<@if HIFI_USE_TRIPLANAR@>
    OUTPUT(RENDER_UTILS_ATTR_POSITION_MS, vec3, _positionMS);
    OUTPUT(RENDER_UTILS_ATTR_NORMAL_MS, vec3, _normalMS);
<@endif@>

void main(void) {
    vec4 positionMS = inPosition;
    vec3 normalMS = inNormal.xyz;
<@if not HIFI_USE_TRIPLANAR@>
    vec3 tangentMS = inTangent.xyz;
<@endif@>

<@if HIFI_USE_TRIPLANAR@>
        _positionMS = inPosition.xyz;
        _normalMS = normalMS.xyz;
<@endif@>

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

    TransformCamera cam = getTransformCamera();
    TransformObject obj = getTransformObject();
<@if not HIFI_USE_SHADOW@>
    <@if not HIFI_USE_MTOON@>
            _color = color_sRGBAToLinear(inColor);
    <@endif@>

        <$transformModelToWorldEyeClipPosAndPrevClipPos(cam, obj, positionMS, _positionWS, _positionES, gl_Position, _prevPositionCS)$>
        <$transformModelToWorldDir(obj, normalMS, _normalWS)$>
<@else@>
        <$transformModelToClipPos(cam, obj, positionMS, gl_Position)$>
        <$transformModelToWorldPos(obj, positionMS, _positionWS)$>
<@endif@>

<@if HIFI_USE_NORMALMAP@>
    <@if not HIFI_USE_TRIPLANAR@>
        <$transformModelToWorldDir(obj, tangentMS, _tangentWS)$>
    <@endif@>
<@endif@>

    for (int layer = 0; layer < NUM_LAYERS; layer++) {
        _texCoord01[layer] = vec4(0.0);
    <@if HIFI_USE_SHADOW@>
            Material mat = getMaterial(layer);
            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(layer);
                <$evalTexMapArrayTexcoord0(texMapArray, inTexCoord0, _positionWS, _texCoord01[layer].xy)$>
                <$evalTexMapArrayTexcoord1(texMapArray, inTexCoord1, _positionWS, _texCoord01[layer].zw)$>
            }
    <@else@>
            TexMapArray texMapArray = getTexMapArray(layer);
            <$evalTexMapArrayTexcoord0(texMapArray, inTexCoord0, _positionWS, _texCoord01[layer].xy)$>
            <$evalTexMapArrayTexcoord1(texMapArray, inTexCoord1, _positionWS, _texCoord01[layer].zw)$>
    <@endif@>
    }
}