//-----------------------------------------------------------------------------
// Copyright (c) 2013 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.
//-----------------------------------------------------------------------------

#include "console/consoleTypes.h"
#include "2d/assets/ImageAsset.h"
#include "2d/assets/AnimationAsset.h"

// Script bindings.
#include "AnimationAsset_ScriptBinding.h"

// Debug Profiling.
#include "debug/profiler.h"

//------------------------------------------------------------------------------

ConsoleType( animationAssetPtr, TypeAnimationAssetPtr, sizeof(AssetPtr<AnimationAsset>), ASSET_ID_FIELD_PREFIX )

//-----------------------------------------------------------------------------

ConsoleGetType( TypeAnimationAssetPtr )
{
    // Fetch asset Id.
    return (*((AssetPtr<AnimationAsset>*)dptr)).getAssetId();
}

//-----------------------------------------------------------------------------

ConsoleSetType( TypeAnimationAssetPtr )
{
    // Was a single argument specified?
    if( argc == 1 )
    {
        // Yes, so fetch field value.
        const char* pFieldValue = argv[0];

        // Fetch asset pointer.
        AssetPtr<AnimationAsset>* pAssetPtr = dynamic_cast<AssetPtr<AnimationAsset>*>((AssetPtrBase*)(dptr));

        // Is the asset pointer the correct type?
        if ( pAssetPtr == NULL )
        {
            // No, so fail.
            Con::warnf( "(TypeAnimationAssetPtr) - Failed to set asset Id '%d'.", pFieldValue );
            return;
        }

        // Set asset.
        pAssetPtr->setAssetId( pFieldValue );

        return;
   }

    // Warn.
    Con::warnf( "(TypeAnimationAssetPtr) - Cannot set multiple args to a single asset." );
}

//------------------------------------------------------------------------------

IMPLEMENT_CONOBJECT(AnimationAsset);

//------------------------------------------------------------------------------

AnimationAsset::AnimationAsset() :  mAnimationTime(1.0f),
                                    mAnimationCycle(true),
                                    mRandomStart(false),
                                    mAnimationIntegration(0.0f),
                                    mNamedCellsMode(false)
{
    // Set Vector Associations.
    VECTOR_SET_ASSOCIATION( mAnimationFrames );
    VECTOR_SET_ASSOCIATION( mNamedAnimationFrames );
    VECTOR_SET_ASSOCIATION( mValidatedFrames );    
}

//------------------------------------------------------------------------------

AnimationAsset::~AnimationAsset()
{
}

//------------------------------------------------------------------------------

void AnimationAsset::initPersistFields()
{
    // Call parent.
    Parent::initPersistFields();

    addProtectedField("Image", TypeImageAssetPtr, Offset(mImageAsset, AnimationAsset), &setImage, &defaultProtectedGetFn, &writeImage, "");
    addProtectedField("AnimationFrames", TypeS32Vector, Offset(mAnimationFrames, AnimationAsset), &setAnimationFrames, &defaultProtectedGetFn, &writeAnimationFrames, "");
    addProtectedField("NamedAnimationFrames", TypeStringTableEntryVector, Offset(mNamedAnimationFrames, AnimationAsset), &setNamedAnimationFrames, &defaultProtectedGetFn, &writeNamedAnimationFrames, "");
    addProtectedField("AnimationTime", TypeF32, Offset(mAnimationTime, AnimationAsset), &setAnimationTime, &defaultProtectedGetFn, &defaultProtectedWriteFn, "");
    addProtectedField("AnimationCycle", TypeBool, Offset(mAnimationCycle, AnimationAsset), &setAnimationCycle, &defaultProtectedGetFn, &writeAnimationCycle, "");
    addProtectedField("RandomStart", TypeBool, Offset(mRandomStart, AnimationAsset), &setRandomStart, &defaultProtectedGetFn, &writeRandomStart, "");
    addProtectedField("NamedCellsMode", TypeBool, Offset(mNamedCellsMode, AnimationAsset), &setNamedCellsMode, &defaultProtectedGetFn, &writeNamedCellsMode, "");
}

//------------------------------------------------------------------------------

bool AnimationAsset::onAdd()
{
    // Call Parent.
    if(!Parent::onAdd())
        return false;

    // Return Okay.
    return true;
}

//------------------------------------------------------------------------------

void AnimationAsset::onRemove()
{
    // Call Parent.
    Parent::onRemove();
}

//------------------------------------------------------------------------------

void AnimationAsset::onAssetRefresh( void ) 
{
    // Ignore if not yet added to the sim.
    if ( !isProperlyAdded() )
        return;

    // Call parent.
    Parent::onAssetRefresh();
}

//------------------------------------------------------------------------------

void AnimationAsset::copyTo(SimObject* object)
{
    // Call to parent.
    Parent::copyTo(object);

    // Cast to asset.
    AnimationAsset* pAsset = static_cast<AnimationAsset*>(object);

    // Sanity!
    AssertFatal(pAsset != NULL, "AnimationAsset::copyTo() - Object is not the correct type.");

    // Copy state.
    pAsset->setImage( getImage().getAssetId() );

    // Are we in named cells mode?
    if ( !pAsset->getNamedCellsMode() )
        pAsset->setAnimationFrames( Con::getData( TypeS32Vector, (void*)&getSpecifiedAnimationFrames(), 0 ) );
    else
        pAsset->setNamedAnimationFrames( Con::getData( TypeStringTableEntryVector, (void*)&getSpecifiedNamedAnimationFrames(), 0 ) );

    pAsset->setAnimationTime( getAnimationTime() );
    pAsset->setAnimationCycle( getAnimationCycle() );
    pAsset->setRandomStart( getRandomStart() );
    pAsset->setNamedCellsMode( getNamedCellsMode() );
}

//------------------------------------------------------------------------------

void AnimationAsset::setImage( const char* pAssetId )
{
    // Ignore no change.
    if ( mImageAsset.getAssetId() == StringTable->insert( pAssetId ) )
        return;

    // Update.
    mImageAsset = pAssetId;

    // Validate frames.
    validateFrames();

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setAnimationFrames( const char* pAnimationFrames )
{
    // Debug Profiling.
    PROFILE_SCOPE(AnimationAsset_SetAnimationFrames);

    // Clear any existing frames.
    mAnimationFrames.clear();

    // Fetch frame count.
    const U32 frameCount = StringUnit::getUnitCount( pAnimationFrames, " \t\n" );

    // Iterate frames.
    for( U32 frameIndex = 0; frameIndex < frameCount; ++frameIndex )
    {
        // Store frame.
        mAnimationFrames.push_back( dAtoi( StringUnit::getUnit( pAnimationFrames, frameIndex, " \t\n" ) ) );
    }

    mNamedCellsMode = false;

    // Validate frames.
    validateFrames();

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setNamedAnimationFrames( const char* pAnimationFrames )
{
    // Clear any existing frames.
    mNamedAnimationFrames.clear();

    // Fetch frame count.
    const U32 frameCount = StringUnit::getUnitCount( pAnimationFrames, " \t\n" );

    // Iterate frames.
    for( U32 frameIndex = 0; frameIndex < frameCount; ++frameIndex )
    {
        // Store frame.
        mNamedAnimationFrames.push_back( StringTable->insert( StringUnit::getUnit( pAnimationFrames, frameIndex, " \t\n" ) ) );
    }

    mNamedCellsMode = true;

    // Validate frames.
    validateFrames();

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setAnimationTime( const F32 animationTime )
{
    // Ignore no change,
    if ( mIsEqual( animationTime, mAnimationTime ) )
        return;

    // Update.
    mAnimationTime = animationTime;

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setAnimationCycle( const bool animationCycle )
{
    // Ignore no change.
    if ( animationCycle == mAnimationCycle )
        return;

    // Update.
    mAnimationCycle = animationCycle;

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setRandomStart( const bool randomStart )
{
    // Ignore no change.
    if ( randomStart == mRandomStart )
        return;

    // Update.
    mRandomStart = randomStart;

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::setNamedCellsMode( const bool namedCellsMode )
{
    // Ignore no change.
    if ( namedCellsMode == mNamedCellsMode)
        return;

    // Update.
    mNamedCellsMode = namedCellsMode;

    // Refresh the asset.
    refreshAsset();
}

//------------------------------------------------------------------------------

void AnimationAsset::validateNumericalFrames( void )
{
    // Clear validated frames.
    mValidatedFrames.clear();

    // Fetch Animation Frame Count.
    const U32 animationFrameCount = (U32)mAnimationFrames.size();

    // Finish if no animation frames are specified.
    if ( animationFrameCount == 0 )
        return;

    // Fetch image asset frame count.
    const S32 imageAssetFrameCount = (S32)mImageAsset->getFrameCount();

    // Finish if the image has no frames.
    if ( imageAssetFrameCount == 0 )
        return;

    // Validate each specified frame.
    for ( U32 frameIndex = 0; frameIndex < animationFrameCount; ++frameIndex )
    {
        // Fetch frame.
        S32 frame = mAnimationFrames[frameIndex];

        // Valid Frame?
        if ( frame < 0 || frame >= imageAssetFrameCount )
        {
            // No, warn.
            Con::warnf( "AnimationAsset::validateFrames() - Animation asset '%s' specifies an out-of-bound frame of '%d' (key-index:'%d') against image asset Id '%s'.", 
                getAssetName(),
                frame,
                frameIndex,
                mImageAsset.getAssetId() );

            // Set the frame to a valid one.
            if ( frame < 0 )
                frame = 0;
            else if ( frame >= imageAssetFrameCount )
                frame = imageAssetFrameCount-1;
        }

        // Use frame.
        mValidatedFrames.push_back( frame );
    }
}

//------------------------------------------------------------------------------

void AnimationAsset::validateNamedFrames( void )
{
    mValidatedNameFrames.clear();

    // Fetch Animation Frame Count.
    const U32 animationFrameCount = (U32)mNamedAnimationFrames.size();

    // Finish if no animation frames are specified.
    if ( animationFrameCount == 0 )
        return;

    // Fetch image asset frame count.
    const S32 imageAssetFrameCount = (S32)mImageAsset->getFrameCount();

    // Finish if the image has no frames.
    if ( imageAssetFrameCount == 0 )
        return;

    // Validate each specified frame.
    for ( U32 frameIndex = 0; frameIndex < animationFrameCount; ++frameIndex )
    {
        // Fetch frame.
        const char* frame = mNamedAnimationFrames[frameIndex];

        // Valid Frame?
        if ( frame ==  StringTable->EmptyString || !mImageAsset->containsFrame(frame) )
        {
            // No, warn.
            Con::warnf( "AnimationAsset::validateNamedFrames() - Animation asset '%s' specifies a bad frame '%s' against image asset Id '%s'.",
                getAssetName(),
                frame,
                mImageAsset.getAssetId() );
        }

        // Use frame.
        mValidatedNameFrames.push_back( StringTable->insert(frame) );
    }
}

//------------------------------------------------------------------------------

void AnimationAsset::validateFrames( void )
{
    // Debug Profiling.
    PROFILE_SCOPE(AnimationAsset_ValidateFrames);

    // Finish if we don't have a valid image asset.
    if ( mImageAsset.isNull() )
        return;

    if (mNamedCellsMode)
    {
        validateNamedFrames();
    }
    else
    {
        validateNumericalFrames();
    }
}

//------------------------------------------------------------------------------

bool AnimationAsset::isAssetValid( void ) const
{
    return mImageAsset.notNull() && mImageAsset->isAssetValid() && (mValidatedFrames.size() > 0 || mValidatedNameFrames.size() > 0);
}

//------------------------------------------------------------------------------

void AnimationAsset::initializeAsset( void )
{
    // Call parent.
    Parent::initializeAsset();

    // Currently there is no specific initialization required.
}