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/*
   Copyright (c) 2014 DIVIDE-Studio
   Copyright (c) 2009 Ionut Cava

   This file is part of DIVIDE Framework.

   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.

 */

/*Code references:
	http://nolimitsdesigns.com/game-design/open-asset-import-library-animation-loader/
*/

#ifndef ANIMATION_EVALUATOR_H_
#define ANIMATION_EVALUATOR_H_

#include "Bone.h"
#include <assimp/anim.h>
#include "Utility/Headers/UnorderedMap.h"

class AnimationChannel{
public:
	std::string _name;
	vectorImpl<aiVectorKey > _positionKeys;
	vectorImpl<aiQuatKey   > _rotationKeys;
	vectorImpl<aiVectorKey > _scalingKeys;
	/** The number of position keys */
	U32 _numPositionKeys;
	U32 _numRotationKeys;
	U32 _numScalingKeys;
};

struct aiAnimation;
class AnimEvaluator{
public:

	AnimEvaluator(): _lastFrameIndex(0),
		             _lastTime(0.0),
					 _ticksPerSecond(0.0),
					 _duration(0.0),
					 _playAnimationForward(true)
	{}

	AnimEvaluator( const aiAnimation* pAnim);

	void Evaluate(const D32 dt, Unordered_map<std::string, Bone*>& bones);
	void Save(std::ofstream& file);
	void Load(std::ifstream& file);
	I32 GetFrameIndexAt(const D32 elapsedTime);

	inline I32 GetFrameIndex() const {return _lastFrameIndex;}
	inline U32 GetFrameCount() const {return (U32)_transforms.size();}
	inline vectorImpl<mat4<F32> >& GetTransforms(const D32 elapsedTime) {
        I32 frameIndex = GetFrameIndexAt(elapsedTime);
        assert(frameIndex < _transforms.size());
        return _transforms[frameIndex];
    }

protected:
	friend class SceneAnimator;
	std::string _name;

	/// Array to return transformations results inside.
	vectorImpl<vectorImpl<mat4<F32> >> _transforms;
	vectorImpl<vectorImpl<mat4<F32> >> _quatTransforms;

	/// play forward == true, play backward == false
	bool _playAnimationForward;
	D32 _lastTime;
	D32 _duration;
	D32 _ticksPerSecond;

private:

	I32 _lastFrameIndex;
	vectorImpl<vec3<U32> > _lastPositions;
	///vector that holds all bone channels
	vectorImpl<AnimationChannel> _channels;
};

#endif

Commits for Divide-Framework/trunk/Source Code/Geometry/Animations/Headers/AnimationEvaluator.h

Diff revisions: vs.
Revision Author Commited Message
286 Diff Diff IonutCava picture IonutCava Fri 18 Jul, 2014 16:32:03 +0000

[Ionut] [[BR]]

    • very buggy commit ** [[BR]]

- New rendering pipeline: [[BR]]
— Bumped OpenGL version to 4.4 [[BR]]
— Command based rendering. GFXDevice dispatches rendering commands to their respective buffers [[BR]]
— State changing is exclusively controlled by the GFXDevice class [[BR]]
— Material properties and transform matrices are stored in shader storage buffers that are updated after culling and uploaded once per RenderPass. Objects use drawIDs to index data in shaders [[BR]]
— Removed all custom matrices and other, per shader, bind data [[BR]]
— Removed per node light data. Light culling and shader buffers will replace the old light management system [[BR]]
— Framebuffers now use the Texture class for attachments [[BR]]
— Sampler objects now work like RenderStateBlocks. GL_API handles them and stores them in a hash indexed map [[BR]]
— Removed “prepareMaterial” calls. Pre-draw material setup is now only limited to texture binding [[BR]]
— Moved immediate mode emulation and primitive rendering from API level to GFXDevice level [[BR]]
— Framebuffer rendering must be completed with a call to end() to ensure proper MSAA resolve (asserts, otherwise) [[BR]]
- Fixed hash code generation for RenderStateBlock (and now, glSamplerObject) using boost::hash_combine [[BR]]
- Temporarily disabled XML caching for materials [[BR]]

270 Diff Diff IonutCava picture IonutCava Thu 05 Jun, 2014 19:08:07 +0000

[Ionut][[BR]]
- SubMeshes now use a single vertex buffer (owned by the parent mesh) with proper offsetting and querying [[BR]]
— Implementation not optimal yet [[BR]]
- Cleaned up VertexBuffer related classes [[BR]]

260 Diff Diff k1ngp1n picture k1ngp1n Sat 03 May, 2014 19:33:41 +0000

[Ionut] [[BR]]
- More work on CSM. Reverted back to VSM to allow easier blurring and filtering [[BR]]
- Rewrote FrameBuffer classes to fix MSAA and memory leaks that occurred on resize (double creation of textures) [[BR]]
— Removed FBType. FrameBuffer types depend only on attachment types and if it’s MSAA enabled or not [[BR]]
- Rewrote RenderState classes to be API agnostic [[BR]]
- Bug fixes in math classes [[BR]]
- Changed “resolution change” logic [[BR]]
- Simplified some options in config.xml [[BR]]
- Improved per-light shadow options [[BR]]

253 Diff Diff k1ngp1n picture k1ngp1n Wed 09 Apr, 2014 11:30:54 +0000

[Ionut] [[BR]]
- Split SceneAnimator in global and per-instance data (SceneAnimator and AnimatorComponent) respectively [[BR]]
— Each SceneNode, sharing the same skinned mesh can have different animations with different timings now [[BR]]
- Fixed particle systems' billboarding issues [[BR]]
- More cleaning up of the Material class [[BR]]

251 Diff Diff k1ngp1n picture k1ngp1n Wed 02 Apr, 2014 20:38:18 +0000

[Ionut] [[BR]]

  • Divide is now a 64bit statically linked application * [[BR]]

- Updated to a Visual Studio 2013 solution for better C++11 support [[BR]]
— Recompiled all projects with platform toolset v120 [[BR]]
- Recompiled all projects as x64 – MT / MTd (from x86 – MD / MDd) [[BR]]
- Updated PhysX to 3.3 [[BR]]
- Updated GLFW to 3.0.4 [[BR]]

221 Diff Diff k1ngp1n picture k1ngp1n Wed 08 Jan, 2014 18:50:02 +0000

[Ionut] [[BR]]
- Merged branch “Shadows And Animations” back into trunk [[BR]]
- Added DoxygenGUI project file [[BR]]

  • Buggy *
186 Diff Diff k1ngp1n picture k1ngp1n Sun 24 Nov, 2013 19:14:54 +0000

[Ionut] [[BR]]
- Increased precision of internal timers (delta time stored as double and computed by the kernel) [[BR]]
- Some thread sync fixes [[BR]]
- More work on the profile timers. Added a main loop timer as an example (Kernel.cpp -> mainLoopApp) [[BR]]
- Physics update <-> SceneGraphNode transform update sync (rather primitive, but it works) [[BR]]
— Setting a position or rotation manually was overridden by the physics engine. Now, manual transform updates have a higher priority [[BR]]

170 Diff Diff k1ngp1n picture k1ngp1n Sun 03 Nov, 2013 17:24:57 +0000

-Moved hardware related code to a separate project [[BR]]
-More work on post-processing: [[BR]]
— HDR rendering is working, but final tonemapping needs more work [[BR]]
-Important changes in BloomPreRenderOperator.cpp, PostFX.cpp and glFrameBufferObject.cpp [[BR]]
-Trailing and leading whitespace cleanups [[BR]]

160 Diff Diff k1ngp1n picture k1ngp1n Wed 10 Jul, 2013 17:07:04 +0000

[Ionut] [[BR]]
- Changed licensing from LGPL to the MIT license [[BR]]
— Code can now be used in non-commercial or commercial closed or open source projects [[BR]]

152 k1ngp1n picture k1ngp1n Thu 20 Jun, 2013 14:23:31 +0000

[Ionut] [[BR]]
- New rendering pipeline (experimental and unstable): [[BR]]
— OpenGL 3.x clean context (glLight commands are still used for now, but UBO support is there, but not used yet) [[BR]]
— Custom matrix stacks and UBO based shader data (UBOs cause some link errors on some nVidia cards)[[BR]]
— Multi-threaded texture loading and shader compilation (mt shader compilation disabled for now. needs more tests) [[BR]]
— VAO rendering is self contained (no more enable/disable calls before a draw request) [[BR]]
— Render instance class used for rendering information [[BR]]
[[BR]]
- New unique ID generation base class: GUIDWrapper. Each class that derives from this, gets an application wide unique id on construction [[BR]]
- Added base code for an in-game editor using CEGUI [[BR]]
- Replaced some mutex locks with lockless data structures or atomic data [[BR]]
- CEGUI 0.8.2, FTGL-GL3 and GLIM 0.4 modified to support GLEW_MX if defined [[BR]]
- Dropped VS2008 support [[BR]]
- Networking library, server framework and ReCast files are now projects inside the Divide Framework solution [[BR]]
- New console command “setFov” that modifies the horizontal FoV value in realtime [[BR]]
- New console command “recompileShader” that reparses shader files, recompiles shaders and relinks shader programs who’s names match or contain the argument string [[BR]]
- New debug utility: axis angle drawn in corner of the screen if needed [[BR]]
- More ‘const’-s pasted around the code, more loop performance tweaks (allocations before a loop, tighter loops, etc), more utility member functions added to various classes [[BR]]