Visualization Library v1.0.3A lightweight C++ OpenGL middleware for 2D/3D graphics |
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00001 /**************************************************************************************/ 00002 /* */ 00003 /* Visualization Library */ 00004 /* http://visualizationlibrary.org */ 00005 /* */ 00006 /* Copyright (c) 2005-2010, Michele Bosi */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without modification, */ 00010 /* are permitted provided that the following conditions are met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, this */ 00013 /* list of conditions and the following disclaimer. */ 00014 /* */ 00015 /* - Redistributions in binary form must reproduce the above copyright notice, this */ 00016 /* list of conditions and the following disclaimer in the documentation and/or */ 00017 /* other materials provided with the distribution. */ 00018 /* */ 00019 /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */ 00020 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */ 00021 /* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ 00022 /* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */ 00023 /* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ 00024 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ 00025 /* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */ 00026 /* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ 00027 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */ 00028 /* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 00029 /* */ 00030 /**************************************************************************************/ 00031 00032 #ifndef MorphingCallback_INCLUDE_ONCE 00033 #define MorphingCallback_INCLUDE_ONCE 00034 00035 #include <vlGraphics/Actor.hpp> 00036 #include <vlGraphics/Geometry.hpp> 00037 00038 namespace vl 00039 { 00040 class ResourceDatabase; 00041 00044 class VLGRAPHICS_EXPORT MorphingCallback: public ActorEventCallback 00045 { 00046 VL_INSTRUMENT_CLASS(vl::MorphingCallback, ActorEventCallback) 00047 00048 public: 00049 MorphingCallback(); 00050 00051 ~MorphingCallback(); 00052 00053 virtual void onActorRenderStarted(Actor* actor, real frame_clock, const Camera* cam, Renderable* renderable, const Shader*, int pass); 00054 00055 virtual void onActorDelete(Actor*) {} 00056 00057 void bindActor(Actor* actor); 00058 00069 void init(ResourceDatabase* res_db); 00070 00071 void blendFrames(int a, int b, float t); 00072 00073 void setAnimation(int start, int end, float period); 00074 00075 void startAnimation(real time = -1); 00076 00077 void stopAnimation(); 00078 00079 void initFrom(MorphingCallback* morph_cb); 00080 00081 void resetGLSLBindings(); 00082 00083 bool glslVertexBlendEnabled() const { return mGLSLVertexBlendEnabled; } 00084 void setGLSLVertexBlendEnabled(bool enable) { mGLSLVertexBlendEnabled = enable; } 00085 00086 Geometry* geometry() { return mGeometry.get(); } 00087 const Geometry* geometry() const { return mGeometry.get(); } 00088 00089 bool animationStarted() const { return mAnimationStarted; } 00090 00091 protected: 00092 ref<Geometry> mGeometry; 00093 ref<ArrayFloat3> mVertices; 00094 ref<ArrayFloat3> mNormals; 00095 std::vector< ref<ArrayFloat3> > mVertexFrames; 00096 std::vector< ref<ArrayFloat3> > mNormalFrames; 00097 00098 real mLastUpdate; 00099 real mElapsedTime; 00100 real mAnimationStartTime; 00101 int mAnimationStart; 00102 int mAnimationEnd; 00103 float mAnimationPeriod; 00104 bool mAnimationStarted; 00105 int mFrame1; 00106 int mFrame2; 00107 00108 bool mGLSLVertexBlendEnabled; 00109 int mVertex2_Binding; 00110 int mNormal2_Binding; 00111 int mAnim_t_Binding; 00112 float mAnim_t; 00113 }; 00114 //----------------------------------------------------------------------------- 00115 } 00116 00117 #endif