Engine directory for ticket #1

Engine/source/ts/collada/colladaAppMaterial.h

@@ -0,0 +1,89 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _COLLADA_APP_MATERIAL_H_
+#define _COLLADA_APP_MATERIAL_H_
+
+#ifndef _APPMATERIAL_H_
+#include "ts/loader/appMaterial.h"
+#endif
+#ifndef _COLLADA_EXTENSIONS_H_
+#include "ts/collada/colladaExtensions.h"
+#endif
+
+class Material;
+
+class ColladaAppMaterial : public AppMaterial
+{
+public:
+   const domMaterial*         mat;              ///< Collada <material> element
+   domEffect*                 effect;           ///< Collada <effect> element
+   ColladaExtension_effect*   effectExt;        ///< effect extension
+   String                     name;             ///< Name of this material (cleaned)
+
+   // Settings extracted from the Collada file, and optionally saved to materials.cs
+   String                     diffuseMap;
+   String                     normalMap;
+   String                     specularMap;
+   ColorF                     diffuseColor;
+   ColorF                     specularColor;
+   F32                        specularPower;
+   bool                       doubleSided;
+
+   ColladaAppMaterial(const char* matName);
+   ColladaAppMaterial(const domMaterial* pMat);
+   ~ColladaAppMaterial() { delete effectExt; }
+
+   String getName() const { return name; }
+
+   void resolveFloat(const domCommon_float_or_param_type* value, F32* dst);
+   void resolveColor(const domCommon_color_or_texture_type* value, ColorF* dst);
+
+   // Determine the material transparency
+   template<class T> void resolveTransparency(const T shader, F32* dst)
+   {
+      // Start out by getting the <transparency> value
+      *dst = 1.0f;
+      resolveFloat(shader->getTransparency(), dst);
+
+      // Multiply the transparency by the transparent color
+      ColorF transColor(1.0f, 1.0f, 1.0f, 1.0f);
+      if (shader->getTransparent() && shader->getTransparent()->getColor()) {
+         const domCommon_color_or_texture_type::domColor* color = shader->getTransparent()->getColor();
+         transColor.set(color->getValue()[0], color->getValue()[1], color->getValue()[2], color->getValue()[3]);
+      }
+
+      if (!shader->getTransparent() || (shader->getTransparent()->getOpaque() == FX_OPAQUE_ENUM_A_ONE)) {
+         // multiply by alpha value and invert (so 1.0 is fully opaque)
+         *dst = 1.0f - (*dst * transColor.alpha);
+      }
+      else {
+         // multiply by average of the RGB values
+         F32 avg = (transColor.red + transColor.blue + transColor.green) / 3;
+         *dst *= avg;
+      }
+   }
+
+   Material *createMaterial(const Torque::Path& path) const;
+};
+
+#endif // _COLLADA_APP_MATERIAL_H_