cocos-creator-template/assets/effects/util/dcc/vat/houdini-rigidbody-v2.effect

// Copyright (c) 2017-2022 Xiamen Yaji Software Co., Ltd.

CCEffect %{
  techniques:
  - name: opaque
    passes:
    - vert: standard-vs
      frag: standard-fs
      properties: &props
        vatSpeed:                         { value: 1.0, target: vatParams.x, editor: { displayName: AnimationSpeed } }
        vatFrameCount:                    { value: 0.0, target: vatParams.y, editor: { displayName: NumOfFrames } }
        vatDebugFrame:                    { value: 0.0, target: vatParams.z, editor: { displayName: DebugFrame, range: [0, 60], step: 1 } }
        vatPivMax:                        { value: 1.0, target: vatMaxMin.x, editor: { displayName: PivMax } }
        vatPivMin:                        { value: 1.0, target: vatMaxMin.y, editor: { displayName: PivMin } }
        vatPosMax:                        { value: 1.0, target: vatMaxMin.z, editor: { displayName: PosMax } }
        vatPosMin:                        { value: 1.0, target: vatMaxMin.w, editor: { displayName: PosMin } }
        mainColor:                        { value: [1.0, 1.0, 1.0, 1.0], target: albedo, linear: true, editor: { displayName: Albedo, type: color } }
        albedoScale:                      { value: [1.0, 1.0, 1.0], target: albedoScaleAndCutoff.xyz }
        alphaThreshold:                   { value: 0.5, target: albedoScaleAndCutoff.w, editor: { parent: USE_ALPHA_TEST, slide: true, range: [0, 1.0], step: 0.001 } }
        occlusion:                        { value: 0.0, target: pbrParams.x, editor: { slide: true, range: [0, 1.0], step: 0.001 } }
        roughness:                        { value: 0.5, target: pbrParams.y, editor: { slide: true, range: [0, 1.0], step: 0.001 } }
        metallic:                         { value: 0.0, target: pbrParams.z, editor: { slide: true, range: [0, 1.0], step: 0.001 } }
        specularIntensity:                { value: 0.5, target: pbrParams.w, editor: { slide: true, range: [0.0, 1.0], step: 0.001 } }
        emissive:                         { value: [0.0, 0.0, 0.0, 1.0], linear: true, editor: { type: color } }
        emissiveScale:                    { value: [1.0, 1.0, 1.0], target: emissiveScaleParam.xyz }
        normalStrength:                   { value: 1.0, target: emissiveScaleParam.w, editor: { parent: USE_NORMAL_MAP, slide: true, range: [0, 5.0], step: 0.001 } }
        anisotropyIntensity:              { value: 1.0, target: anisotropyParam.x, editor: { parent: IS_ANISOTROPY, slide : true, range : [0.0, 1.0] , step : 0.0001 } }
        anisotropyRotation:               { value: 0.0, target: anisotropyParam.y, editor: { parent: IS_ANISOTROPY, slide : true, range : [0, 1.0] , step : 0.0001 } }
        anisotropyMapResolutionHeight:    { value: 0.0, target: anisotropyParam.w, editor: { parent: FIX_ANISOTROPIC_ROTATION_MAP } }
        mainTexture:                      { value: grey, target: albedoMap, editor: { displayName: AlbedoMap } }
        normalMap:                        { value: normal }
        pbrMap:                           { value: grey }
        occlusionMap:                     { value: white }
        emissiveMap:                      { value: grey }
        anisotropyMap:                    { value: black, editor : { parent: IS_ANISOTROPY } }
        vatPositionMap:                   { value: grey, target: vatPositionTexture, editor: { displayName: PositionMap } }
        vatPosSignMap:                    { value: white, target: vatPosSignTexture,  editor: { displayName: PosSignMap } }
        vatPosAlphaMap:                   { value: grey, target: vatPosAlphaTexture,  editor: { displayName: PosAlphaMap } }
        vatRotationMap:                   { value: grey, target: vatRotationTexture, editor: { displayName: RotationMap } }
        vatRotSignMap:                    { value: white, target: vatRotSignTexture,  editor: { displayName: RotSignMap } }
        vatRotAlphaMap:                   { value: grey, target: vatRotAlphaTexture,  editor: { displayName: RotAlphaMap } }
      rasterizerState: &r1
        cullMode: none
    - &forward-add
      vert: standard-vs
      frag: standard-fs
      phase: forward-add
      propertyIndex: 0
      embeddedMacros: { CC_FORWARD_ADD: true }
      rasterizerState:
        cullMode: none
      depthStencilState:
        depthFunc: equal
        depthTest: true
        depthWrite: false
      blendState:
        targets:
        - blend: true
          blendSrc: one
          blendDst: one
          blendSrcAlpha: zero
          blendDstAlpha: one
    - &shadow-caster
      vert: shadow-caster-vs
      frag: shadow-caster-fs
      phase: shadow-caster
      propertyIndex: 0
      rasterizerState:
        cullMode: front
      properties:
        mainColor:      { value: [1.0, 1.0, 1.0, 1.0], target: albedo, editor: { displayName: Albedo, type: color } }
        albedoScale:    { value: [1.0, 1.0, 1.0], target: albedoScaleAndCutoff.xyz }
        alphaThreshold: { value: 0.5, target: albedoScaleAndCutoff.w, editor: { parent: USE_ALPHA_TEST } }
        mainTexture:    { value: grey, target: albedoMap, editor: { displayName: AlbedoMap } }
    - &reflect-map
      vert: standard-vs
      frag: reflect-map-fs
      phase: reflect-map
      propertyIndex: 0
    - &deferred-forward
      vert: standard-vs
      frag: standard-fs
      phase: deferred-forward
      propertyIndex: 0
      rasterizerState: *r1
  - name: transparent
    passes:
    - vert: standard-vs
      frag: standard-fs
      embeddedMacros: { CC_FORCE_FORWARD_SHADING: true }
      depthStencilState: &d1
        depthTest: true
        depthWrite: false
      blendState: &b1
        targets:
        - blend: true
          blendSrc: src_alpha
          blendDst: one_minus_src_alpha
          blendDstAlpha: one_minus_src_alpha
      properties: *props
    - *forward-add
    - *shadow-caster
    - &deferred-forward
      vert: standard-vs
      frag: standard-fs
      phase: deferred-forward
      embeddedMacros: { CC_PIPELINE_TYPE: 0 }
      depthStencilState: *d1
      blendState: *b1
      propertyIndex: 0
}%

CCProgram shared-ubos %{
  uniform Constants {
    vec4 vatParams;
    vec4 vatMaxMin;
    vec4 albedo;
    vec4 albedoScaleAndCutoff;
    vec4 pbrParams;
    vec4 emissive;
    vec4 emissiveScaleParam;
    vec4 anisotropyParam;
  };
}%

CCProgram macro-remapping %{
  // ui displayed macros
  #pragma define-meta USE_TWOSIDE
  #pragma define-meta IS_ANISOTROPY
  #pragma define-meta USE_VERTEX_COLOR
  #define CC_SURFACES_USE_SECOND_UV 1
  #define CC_SURFACES_USE_TWO_SIDED USE_TWOSIDE
  #define CC_SURFACES_LIGHTING_ANISOTROPIC IS_ANISOTROPY
  #define CC_SURFACES_USE_VERTEX_COLOR USE_VERTEX_COLOR

  // depend on UI macros
#if USE_NORMAL_MAP
  #define CC_SURFACES_USE_TANGENT_SPACE 1
#endif

  #define CC_SURFACES_LIGHTING_ANISOTROPIC_ENVCONVOLUTION_COUNT 31
}%

CCProgram surface-vertex %{
  #include <common/mesh/vat-animation>
  #if CC_SURFACES_USE_SECOND_UV
    in vec2 a_texCoord2;
    in vec2 a_texCoord3;
  #endif

  uniform highp sampler2D vatPositionTexture;
  uniform highp sampler2D vatPosSignTexture;
  uniform highp sampler2D vatPosAlphaTexture;
  uniform highp sampler2D vatRotationTexture;
  uniform highp sampler2D vatRotSignTexture;
  uniform highp sampler2D vatRotAlphaTexture;

  #define CC_SURFACES_VERTEX_MODIFY_LOCAL_SHARED_DATA
  void SurfacesVertexModifyLocalSharedData(inout SurfacesStandardVertexIntermediate In)
  {
    vec2 originUV = In.texCoord, thisFrameUV, nextFrameUV;
    vec2 uv2 = originUV, uv3 = originUV;
  #if CC_SURFACES_USE_SECOND_UV
    originUV = In.texCoord1;
    uv2 = a_texCoord2;
    uv3 = a_texCoord3;
  #endif

    float numOfFrames = vatParams.y, speed = vatParams.x;

    float frameLerp = VATGetAnimUV(thisFrameUV, nextFrameUV, originUV, numOfFrames, speed, cc_time.x);
    // thisFrameUV = originUV + vec2(0.0, vatParams.z / numOfFrames);

  #if USE_VERTEX_COLOR
    vec4 color = In.color;
  #else
    vec4 color = vec4(0.0);
  #endif
  #if CC_SURFACES_USE_TANGENT_SPACE
    vec3 tangent = In.tangent.xzy;
  #else
    vec3 tangent = vec3(0.0);
  #endif

  VATGetLocalPositionRigidBody20_UE(In.position.xyz, In.normal.xyz, tangent, color, thisFrameUV,
    vatMaxMin.x, vatMaxMin.y, vatMaxMin.z, vatMaxMin.w,
    vatPositionTexture, vatPosSignTexture, vatPosAlphaTexture, vatRotationTexture, vatRotSignTexture, vatRotAlphaTexture);

  #if CC_SURFACES_USE_TANGENT_SPACE
    In.tangent.xyz = normalize(tangent);
  #endif
  }

}%

CCProgram surface-fragment %{
  #if USE_ALBEDO_MAP
    uniform sampler2D albedoMap;
    #pragma define-meta ALBEDO_UV options([v_uv, v_uv1])
  #endif
  #if USE_NORMAL_MAP
    uniform sampler2D normalMap;
    #pragma define-meta NORMAL_UV options([v_uv, v_uv1])
  #endif
  #pragma define-meta DEFAULT_UV options([v_uv, v_uv1])
  #if USE_PBR_MAP
    uniform sampler2D pbrMap;
  #endif
  #if USE_OCCLUSION_MAP
    uniform sampler2D occlusionMap;
  #endif
  #if USE_EMISSIVE_MAP
    uniform sampler2D emissiveMap;
    #pragma define-meta EMISSIVE_UV options([v_uv, v_uv1])
  #endif
  #if IS_ANISOTROPY && USE_ANISOTROPY_MAP
    uniform sampler2D anisotropyMap;
  #endif

  #pragma define OCCLUSION_CHANNEL          r
  #pragma define ROUGHNESS_CHANNEL          g
  #pragma define METALLIC_CHANNEL           b
  #pragma define SPECULAR_INTENSITY_CHANNEL a

  #if USE_ALPHA_TEST
    #pragma define-meta ALPHA_TEST_CHANNEL options([a, r])
  #endif


  #define CC_SURFACES_FRAGMENT_MODIFY_BASECOLOR_AND_TRANSPARENCY
  vec4 SurfacesFragmentModifyBaseColorAndTransparency()
  {
    vec4 baseColor = albedo;

    #if USE_ALBEDO_MAP
      vec4 texColor = texture(albedoMap, ALBEDO_UV);
      texColor.rgb = SRGBToLinear(texColor.rgb);
      baseColor *= texColor;
    #endif

    #if USE_ALPHA_TEST
      if (baseColor.ALPHA_TEST_CHANNEL < albedoScaleAndCutoff.w) discard;
    #endif

    baseColor.rgb *= albedoScaleAndCutoff.xyz;
    return baseColor;
  }

  #define CC_SURFACES_FRAGMENT_ALPHA_CLIP_ONLY
  void SurfacesFragmentAlphaClipOnly()
  {
    #if USE_ALPHA_TEST
      float alpha = albedo.ALPHA_TEST_CHANNEL;
      #if USE_VERTEX_COLOR
        alpha *= FSInput_vertexColor.a;
      #endif
      #if USE_ALBEDO_MAP
        alpha = texture(albedoMap, ALBEDO_UV).ALPHA_TEST_CHANNEL;
      #endif

      if (alpha < albedoScaleAndCutoff.w) discard;
    #endif
  }

  #define CC_SURFACES_FRAGMENT_MODIFY_WORLD_NORMAL
  vec3 SurfacesFragmentModifyWorldNormal()
  {
    vec3 normal = FSInput_worldNormal;
    #if USE_NORMAL_MAP
      vec3 nmmp = texture(normalMap, NORMAL_UV).xyz - vec3(0.5);
      normal = CalculateNormalFromTangentSpace(nmmp, emissiveScaleParam.w, normal.xyz, FSInput_worldTangent, FSInput_mirrorNormal);
    #endif

    return normalize(normal);
  }

  #define CC_SURFACES_FRAGMENT_MODIFY_ANISOTROPY_PARAMS
  vec4 SurfacesFragmentModifyAnisotropyParams(out float isRotation)
  {
    float anisotropyRotation = anisotropyParam.y * PI;
    float anisotropyShape = anisotropyParam.x;
    #if IS_ANISOTROPY && USE_ANISOTROPY_MAP
      // Rotation angle should disable trilinear filtering
      vec4 tex = texture(anisotropyMap, DEFAULT_UV);
      anisotropyRotation = fract(anisotropyRotation * 0.5 + tex.y) * PI2;
      // less value is better for SP exported shape
      anisotropyShape *= tex.x;
    #endif

    isRotation = 1.0;
    return vec4(anisotropyShape, anisotropyRotation, 0.0, 0.0);
  }

  #define CC_SURFACES_FRAGMENT_MODIFY_EMISSIVE
  vec3 SurfacesFragmentModifyEmissive()
  {
    vec3 emissive = emissive.rgb;
    #if USE_EMISSIVE_MAP
      emissive = SRGBToLinear(texture(emissiveMap, EMISSIVE_UV).rgb);
    #endif
    return emissive * emissiveScaleParam.xyz;
  }

  #define CC_SURFACES_FRAGMENT_MODIFY_PBRPARAMS
  vec4 SurfacesFragmentModifyPBRParams()
  {
    vec4 pbr = pbrParams;
    pbr.x = 1.0;
    #if USE_PBR_MAP
      vec4 res = texture(pbrMap, DEFAULT_UV);
      pbr.x = mix(1.0, res.OCCLUSION_CHANNEL, pbrParams.x);
      pbr.y *= res.ROUGHNESS_CHANNEL;
      pbr.z *= res.METALLIC_CHANNEL;
      pbr.w *= res.SPECULAR_INTENSITY_CHANNEL;
    #endif
    #if USE_OCCLUSION_MAP
      pbr.x = mix(1.0, texture(occlusionMap, DEFAULT_UV).OCCLUSION_CHANNEL, pbrParams.x);
    #endif

    return pbr;
  }
}%

CCProgram standard-vs %{
  precision highp float;

  // 1. surface internal macros, for technique usage or remapping some user (material) macros to surface internal macros
  #include <macro-remapping>
  #include <surfaces/effect-macros/common-macros>

  // 2. common include with corresponding shader stage, include before surface functions
  #include <surfaces/includes/common-vs>

  // 3. user surface functions that can use user (effect) parameters (ubo Constants)
  //    see surfaces/default-functions/xxx.chunk
  #include <shared-ubos>
  #include <surface-vertex>

  // 4. surface include with corresponding shader stage and shading-model (optional)
  #include <surfaces/includes/standard-vs>

  // 5. shader entry with corresponding shader stage and technique usage/type
  #include <shading-entries/main-functions/render-to-scene/vs>
}%


CCProgram shadow-caster-vs %{
  precision highp float;
  #include <macro-remapping>
  #include <surfaces/effect-macros/render-to-shadowmap>
  #include <surfaces/includes/common-vs>
  #include <shared-ubos>
  #include <surface-vertex>
  #include <shading-entries/main-functions/render-to-shadowmap/vs>
}%



CCProgram standard-fs %{
  // shading-model : standard
  // lighting-model : standard (isotropy / anisotropy pbr)
  // shader stage : fs
  // technique usage/type : render-to-scene

  precision highp float;
  // 1. surface internal macros, for technique usage or remapping some user (material) macros to surface internal macros
  #include <macro-remapping>
  #include <surfaces/effect-macros/common-macros>

  // 2. common include with corresponding shader stage, include before surface functions
  #include <surfaces/includes/common-fs>

  // 3. user surface functions that can use user (effect) parameters (ubo Constants)
  //    see surfaces/default-functions/xxx.chunk
  #include <shared-ubos>
  #include <surface-fragment>

  // 4. lighting-model (optional)
  #include <lighting-models/includes/standard>

  // 5. surface include with corresponding shader stage and shading-model (optional)
  #include <surfaces/includes/standard-fs>

  // 6. shader entry with corresponding shader stage and technique usage/type
  #include <shading-entries/main-functions/render-to-scene/fs>
}%

CCProgram shadow-caster-fs %{
  precision highp float;
  #include <macro-remapping>
  #include <surfaces/effect-macros/render-to-shadowmap>
  #include <surfaces/includes/common-fs>
  #include <shared-ubos>
  #include <surface-fragment>
  #include <shading-entries/main-functions/render-to-shadowmap/fs>
}%


CCProgram reflect-map-fs %{
  precision highp float;
  #include <macro-remapping>
  #include <surfaces/effect-macros/common-macros>
  #include <surfaces/includes/common-fs>
  #include <shared-ubos>
  #include <surface-fragment>
  #include <lighting-models/includes/standard>
  #include <surfaces/includes/standard-fs>
  #include <shading-entries/main-functions/render-to-reflectmap/fs>
}%