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/*
   Copyright (c) 2017 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.

 */

#ifndef UTIL_STATE_TRACKER_H_
#define UTIL_STATE_TRACKER_H_

#include "Platform/Headers/PlatformDataTypes.h"

#include <array>

namespace Divide {

template <typename T>
class StateTracker {
   protected:
    struct optionalValue {
        T value;
        bool initialized;

        optionalValue()
            : initialized(false)
        {
        }
    };

   public:
    enum class State : U32 {
        SKELETON_RENDERED = 0,
        BOUNDING_BOX_RENDERED = 1,
        COUNT
    };

    StateTracker()
    {
    }

    StateTracker(const StateTracker& other)
        : _trackedValues(other._trackedValues)
    {
    }

    ~StateTracker()
    {
    }



    StateTracker& operator=(const StateTracker& other) {
        _trackedValues = other._trackedValues;
        return *this;
    }

    inline bool isTrackedValueInitialized(State state) const {
        return _trackedValues[to_uint(state)].initialized;
    }

    inline T getTrackedValue(State state, bool& isInitialized) const {
        const optionalValue& value = _trackedValues[to_uint(state)];
        isInitialized = value.initialized;
        return value.value;
    }

    inline T getTrackedValue(State state) const {
        return _trackedValues[to_uint(state)].value;
    }

    inline void setTrackedValue(State state, T value) {
        _trackedValues[to_uint(state)].value = value;
        _trackedValues[to_uint(state)].initialized = true;
    }

    /// Init will not change an already initialized value
    inline void initTrackedValue(State state, const T value) {
        getTrackedValue(state);
        if (!_trackedValues[to_uint(state)].initialized) {
            setTrackedValue(state, value);
        }
    }

   protected:
    std::array<optionalValue, to_const_uint(State::COUNT)> _trackedValues;
};

};  // namespace Divide

#endif

Commits for Divide-Framework/trunk/Source Code/Utility/Headers/StateTracker.h

Diff revisions: vs.
Revision Author Commited Message
836 Diff Diff IonutCava picture IonutCava Fri 27 Jan, 2017 14:59:56 +0000

[IonutCava]
- Update copyright notice

807 Diff Diff IonutCava picture IonutCava Mon 09 Jan, 2017 17:06:26 +0000

[IonutCava]
- Split PlatformDefines.h into 2. Move data type defines to PlatformDataTypes.h
- Continue to improve velocity map calculation
- Remove “destroy()” calls from most classes. Attempt to move as many classes to the RAII system.

750 Diff Diff IonutCava picture IonutCava Thu 07 Jul, 2016 16:02:03 +0000

[IonutCava]
- Static analysis based fixes and improvements

648 Diff Diff IonutCava picture IonutCava Sun 21 Feb, 2016 16:32:52 +0000

[IonutCava]
- Update copyright notice
- Move BoundingBox and BoundingSphere to a new BoundsComponent
— Add a temp hack in SceneGraphNode to update these

628 Diff Diff IonutCava picture IonutCava Wed 20 Jan, 2016 17:17:53 +0000

[IonutCava]
- Reworked GenericVertexData ring-buffering system and changed vertex attributes to the vertex format system
— Might be buggy
- Disabled bump-mapping for low-LoD level entities
- Removed a forgotten test line in BRDF shader that prevented lighting calculations to occur properly (an early return)
- Updated auto-reflection system for high shininess materials
- Converted a lot of ‘to_xyz’ calls to ‘to_const_xyz’ calls where appropriate to reduce runtime cost (‘to_const_xyz’ is evaluated at compile time)

600 Diff Diff IonutCava picture IonutCava Tue 08 Dec, 2015 17:22:11 +0000

[IonutCava]
- Cleanup SceneGraphNode class
- Rework AABB calculation and update system and fix various AABB problems (e.g. light AABB, parent mesh AABB, etc)
- Create a list of closest shadow casting lights for faster shadow map generation
- Texture creation bug fixed (related to descriptor enum value)
- Better FPS and Frametime calculation system

540 Diff Diff IonutCava picture IonutCava Wed 28 Oct, 2015 19:06:28 +0000

[IonutCava]
- Remove the “Platform” folder from the Platform project as the name is redundant. Move files one level up

442 Diff Diff IonutCava picture IonutCava Wed 20 May, 2015 15:25:02 +0000

[Ionut]
- Better platform handling:
— All platform specific code moved in 3 separate files: PlatformDefinesWindows / PlatformDefinesUnix / PlatformDefinesApple
— Added CPU and RAM check at startup to make sure we meet minimum requirements to run properly
- Smart pointers should never used MemoryManager_NEW for allocating memory (MemoryManager_NEW tracks allocations but must be matched with a DELETE call in order to no report leaks). Corrected.
- Zombification of Singletons is only enabled in Debug builds
- Fixed a bug in Task.cpp (nowTime check) that prevented some tasks to run on the first call (changed a ‘>’ check to a ‘>=’)
— This also fixed bounding box computations for skinned submeshes
- Improved dead zone handling for joysticks

441 Diff Diff IonutCava picture IonutCava Tue 19 May, 2015 22:33:45 +0000

[Ionut]
- Correctly calculate sky BoundingBox
- Code cleanups

406 IonutCava picture IonutCava Tue 21 Apr, 2015 16:08:54 +0000

[Ionut]
- More clean-up in the SceneAnimator class
- Added a hacky workaround to render skeletons only once per mesh (flag in parent mesh set from the rendering submesh using the StateTracker available in the SceneGraphNode class)