appear.H

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/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#ifndef ARCHON_X3D_APPEAR_H
#define ARCHON_X3D_APPEAR_H

#include <archon/x3d/server/texture.H>

namespace Archon
{
  namespace X3D
  {
    struct MaterialNode: AppearanceChildNode
    {
      static const NodeType *type;

    protected:
      MaterialNode() {}
    };


    struct Material: MaterialNode
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Material(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Material(BackRef<ExecutionContext> c):
        NodeBase(c),
        diffuseColor(0.8, 0.8, 0.8), 
        specularColor(0, 0, 0),
        emissiveColor(0, 0, 0),
        ambientIntensity(0.2),
        shininess(0.2),
        transparency(0),
        refractiveIndex(1) {}

      const Vector3 &getDiffuseColor()  const { return diffuseColor; }
      const Vector3 &getSpecularColor() const { return specularColor; }
      const Vector3 &getEmissiveColor() const { return emissiveColor; }
      double getAmbientIntensity() const { return ambientIntensity; }
      double getShininess()        const { return shininess; }
      double getTransparency()     const { return transparency; }
      double getRefractiveIndex()  const { return refractiveIndex; }

    private:
      friend void initializeAppearComponent();

      Vector3 diffuseColor;
      Vector3 specularColor;
      Vector3 emissiveColor;
      double ambientIntensity;
      double shininess;       // Relates to the Phong exponent
      double transparency;
      double refractiveIndex; // Not part of WRML or X3D

      EventSource diffuseColorChanged;
      EventSource specularColorChanged;
      EventSource emissiveColorChanged;
      EventSource ambientIntensityChanged;
      EventSource shininessChanged;
      EventSource transparencyChanged;
      EventSource refractiveIndexChanged;

      Time diffuseColorStamp;
      Time specularColorStamp;
      Time emissiveColorStamp;
      Time ambientIntensityStamp;
      Time shininessStamp;
      Time transparencyStamp;
      Time refractiveIndexStamp;
    };


    struct AppearanceNode: virtual Node
    {
      static const NodeType *type;

    protected:
      AppearanceNode() {}
    };


    struct Appearance: AppearanceNode
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Appearance(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Appearance(BackRef<ExecutionContext> c): NodeBase(c) {}

      Ref<const MaterialNode> getMaterial() const { return material; }
      Ref<      MaterialNode> getMaterial()       { return material; }
      Ref<const TextureNode>  getTexture()  const { return texture; }
      Ref<      TextureNode>  getTexture()        { return texture; }
      Ref<const TextureTransformNode> getTextureTransform() const { return textureTransform; }
      Ref<      TextureTransformNode> getTextureTransform()       { return textureTransform; }

    private:
      friend void initializeAppearComponent();

      Ref<MaterialNode>         material;
      Ref<TextureNode>          texture;
      Ref<TextureTransformNode> textureTransform;

      EventSource materialChanged;
      EventSource textureChanged;
      EventSource textureTransformChanged;

      Time materialStamp;
      Time textureStamp;
      Time textureTransformStamp;
    };


    struct BindableNode: virtual ChildNode
    {
      static const NodeType *type;

    protected:
      BindableNode(): isBound(false) {}

    private:
      friend void initializeAppearComponent();

      bool isBound;
      Time bindTime;

      bool setBind(const bool &, const Time &)
      {
        ARCHON_THROW1(InternalException, "Background.set_bind is not supported yet");
      }

      EventSource isBoundChanged;
      EventSource bindTimeChanged;

      Time bindStamp;
    };


    struct Background: BindableNode
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Background(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Background(BackRef<ExecutionContext> c): NodeBase(c)
      {
        skyColor.push_back(Vector3(0, 0, 0));
      }

    private:
      friend void initializeAppearComponent();

      vector<double>  groundAngle;
      vector<Vector3> groundColor;
      vector<string>  backUrl;
      vector<string>  bottomUrl;
      vector<string>  frontUrl;
      vector<string>  leftUrl;
      vector<string>  rightUrl;
      vector<string>  topUrl;
      vector<double>  skyAngle;
      vector<Vector3> skyColor;

      EventSource groundAngleChanged;
      EventSource groundColorChanged;
      EventSource backUrlChanged;
      EventSource bottomUrlChanged;
      EventSource frontUrlChanged;
      EventSource leftUrlChanged;
      EventSource rightUrlChanged;
      EventSource topUrlChanged;
      EventSource skyAngleChanged;
      EventSource skyColorChanged;

      Time groundAngleStamp;
      Time groundColorStamp;
      Time backUrlStamp;
      Time bottomUrlStamp;
      Time frontUrlStamp;
      Time leftUrlStamp;
      Time rightUrlStamp;
      Time topUrlStamp;
      Time skyAngleStamp;
      Time skyColorStamp;
    };


    struct Fog: BindableNode
    { 
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Fog(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Fog(BackRef<ExecutionContext> c):
        NodeBase(c), color(1, 1, 1), fogType("LINEAR"),
        visibilityRange(0) {}

    private:
      friend void initializeAppearComponent();

      Vector3 color;
      string fogType;
      double visibilityRange;

      EventSource colorChanged;
      EventSource fogTypeChanged;
      EventSource visibilityRangeChanged;

      Time colorStamp;
      Time fogTypeStamp;
      Time visibilityRangeStamp;
    };
  }
}

#endif // ARCHON_X3D_APPEAR_H

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