Adds external dep dtentity

external/dtEntity/include/dtEntityOSG/texturelabelcomponent.h

@@ -0,0 +1,145 @@
+#pragma once
+
+/* -*-c++-*-
+* dtEntity Game and Simulation Engine
+*
+* This library is free software; you can redistribute it and/or modify it under
+* the terms of the GNU Lesser General Public License as published by the Free
+* Software Foundation; either version 2.1 of the License, or (at your option)
+* any later version.
+*
+* This library is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+* details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this library; if not, write to the Free Software Foundation, Inc.,
+* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*
+* Martin Scheffler
+
+*/
+
+#include <dtEntityOSG/export.h>
+#include <dtEntity/component.h>
+#include <dtEntity/defaultentitysystem.h>
+#include <dtEntityOSG/nodecomponent.h>
+#include <dtEntity/dynamicproperty.h>
+#include <osg/Geometry>
+#include <osg/Program>
+
+namespace dtEntityOSG
+{      
+
+   class TextureLabelSystem;
+
+   class DTENTITY_OSG_EXPORT TextureLabelComponent : public NodeComponent
+   {
+
+      friend class TextureLabelSystem;
+      typedef NodeComponent BaseClass;
+
+   public:
+      
+      static const dtEntity::ComponentType TYPE;
+      static const dtEntity::StringId OffsetId;
+      static const dtEntity::StringId PathId;
+      static const dtEntity::StringId ColorId;
+      static const dtEntity::StringId MaxSizeId;
+      static const dtEntity::StringId MinSizeId;
+      static const dtEntity::StringId DistanceAttenuationId;
+      static const dtEntity::StringId VisibleId;
+      static const dtEntity::StringId AlwaysOnTopId;
+      static const dtEntity::StringId AddConnectingLineId;
+      
+      TextureLabelComponent();
+      virtual ~TextureLabelComponent();
+
+      virtual dtEntity::ComponentType GetType() const { return TYPE; }
+      
+      virtual bool IsInstanceOf(dtEntity::ComponentType id) const
+      { 
+         return (id == TYPE); 
+      }      
+
+      virtual void Finished();
+
+      virtual void OnAddedToEntity(dtEntity::Entity& entity);
+      std::string GetPath() const { return mPath.Get(); }
+
+      // call OnFinished...() to apply
+      void SetPath(const std::string& path) { mPath.Set(path); }
+
+      osg::Geode* GetGeode() const;
+      
+      osg::Vec3 GetOffset() const  { return mOffsetVal; }
+      void SetOffset(const osg::Vec3& o);
+      
+      void SetMaxSize(unsigned int v) { mMaxSize.Set(v); }
+      unsigned int GetMaxSize() const { return mMaxSize.Get(); }
+
+      void SetMinSize(unsigned int v) { mMinSize.Set(v); }
+      unsigned int GetMinSize() const { return mMinSize.Get(); }
+
+      void SetDistanceAttenuation(const osg::Vec3& v) { mDistanceAttenuation.Set(v); }
+      osg::Vec3 GetDistanceAttenuation() const { return mDistanceAttenuation.Get(); }
+
+      osg::Vec4 GetColor() const { return mColorVal; }
+      void SetColor(const osg::Vec4& v);
+
+      void SetVisible(bool v);
+      bool GetVisible() const;
+
+      bool GetAlwaysOnTop() const { return mAlwaysOnTop.Get(); }
+      void SetAlwaysOnTop(bool v) { mAlwaysOnTop.Set(v); }
+
+      osg::Uniform* GetColorUniform() const { return mColorUniform; }
+   private:
+
+      osg::ref_ptr<osg::Vec4Array> mColorArray;
+      osg::ref_ptr<osg::Geometry> mDotGeometry;
+      dtEntity::DynamicVec3Property mOffset;
+      osg::Vec3 mOffsetVal;
+      dtEntity::DynamicVec4Property mColor;
+      osg::Vec4 mColorVal;
+      dtEntity::StringProperty mPath;
+      dtEntity::UIntProperty mMinSize;
+      dtEntity::UIntProperty mMaxSize;
+      dtEntity::Vec3Property mDistanceAttenuation;
+      dtEntity::DynamicBoolProperty mVisible;
+      dtEntity::BoolProperty mAlwaysOnTop;
+      TextureLabelSystem* mLabelSystem;
+      osg::ref_ptr<osg::Uniform> mColorUniform;
+   };
+   
+   
+   ////////////////////////////////////////////////////////////////////////////
+   
+   class DTENTITY_OSG_EXPORT TextureLabelSystem
+      : public dtEntity::DefaultEntitySystem<TextureLabelComponent>
+   {
+      static const dtEntity::StringId EnabledId;
+      typedef dtEntity::DefaultEntitySystem<TextureLabelComponent> BaseClass;
+      
+   public:
+
+      static const dtEntity::ComponentType TYPE;
+
+      TextureLabelSystem(dtEntity::EntityManager& em);
+      ~TextureLabelSystem();
+
+      osg::StateSet* GetSymbolStateset(const std::string& symbolpath, TextureLabelComponent& component);
+
+      void SetupLabel(TextureLabelComponent& component);
+
+      void SetEnabled(bool v);
+      bool GetEnabled() const;
+
+   private:
+
+      dtEntity::DynamicBoolProperty mEnabled;
+      bool mEnabledVal;
+      osg::ref_ptr<osg::Program> mProgram;
+   };
+}