/**
 * @file aoset.cpp
 * @brief Implementation of an Animation Overrider set of animations
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2011, Zi Ree @ Second Life
 *
 * 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;
 * version 2.1 of the License only.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "aoengine.h"
#include "aoset.h"
#include "llanimationstates.h"
#include "llinventorymodel.h"

AOSet::AOSet(const LLUUID inventoryID)
:   LLEventTimer(10000.0f),
    mInventoryID(inventoryID),
    mName("** New AO Set **"),
    mSitOverride(false),
    mSmart(false),
    mMouselookStandDisable(false),
    mComplete(false),
    mDirty(false),
    mCurrentMotion(LLUUID())
{
    LL_DEBUGS("AOEngine") << "Creating new AO set: " << this << LL_ENDL;

    // ZHAO names first, alternate names following, separated by | characters
    // keep number and order in sync with the enum in the declaration
    const std::string stateNames[AOSTATES_MAX]=
    {
        "Standing|Stand.1|Stand.2|Stand.3",
        "Walking|Walk.N",
        "Running",
        "Sitting|Sit.N",
        "Sitting On Ground|Sit.G",
        "Crouching|Crouch",
        "Crouch Walking|Walk.C",
        "Landing|Land.N",
        "Soft Landing",
        "Standing Up|Stand.U",
        "Falling",
        "Flying Down|Hover.D",
        "Flying Up|Hover.U",
        "Flying|Fly.N",
        "Flying Slow",
        "Hovering|Hover.N",
        "Jumping|Jump.N",
        "Pre Jumping|Jump.P",
        "Turning Right|Turn.R",
        "Turning Left|Turn.L",
        "Typing",
        "Floating|Swim.H",
        "Swimming Forward|Swim.N",
        "Swimming Up|Swim.U",
        "Swimming Down|Swim.D"
    };

    // keep number and order in sync with the enum in the declaration
    const LLUUID stateUUIDs[AOSTATES_MAX]=
    {
        ANIM_AGENT_STAND,
        ANIM_AGENT_WALK,
        ANIM_AGENT_RUN,
        ANIM_AGENT_SIT,
        ANIM_AGENT_SIT_GROUND_CONSTRAINED,
        ANIM_AGENT_CROUCH,
        ANIM_AGENT_CROUCHWALK,
        ANIM_AGENT_LAND,
        ANIM_AGENT_MEDIUM_LAND,
        ANIM_AGENT_STANDUP,
        ANIM_AGENT_FALLDOWN,
        ANIM_AGENT_HOVER_DOWN,
        ANIM_AGENT_HOVER_UP,
        ANIM_AGENT_FLY,
        ANIM_AGENT_FLYSLOW,
        ANIM_AGENT_HOVER,
        ANIM_AGENT_JUMP,
        ANIM_AGENT_PRE_JUMP,
        ANIM_AGENT_TURNRIGHT,
        ANIM_AGENT_TURNLEFT,
        ANIM_AGENT_TYPE,
        ANIM_AGENT_HOVER,       // needs special treatment
        ANIM_AGENT_FLY,         // needs special treatment
        ANIM_AGENT_HOVER_UP,    // needs special treatment
        ANIM_AGENT_HOVER_DOWN   // needs special treatment
    };

    for (S32 index = 0; index < AOSTATES_MAX; ++index)
    {
        std::vector<std::string> stateNameList;
        LLStringUtil::getTokens(stateNames[index], stateNameList, "|");

        mStates[index].mName = stateNameList[0];            // for quick reference
        mStates[index].mAlternateNames = stateNameList;     // to get all possible names, including mName
        mStates[index].mRemapID = stateUUIDs[index];
        mStates[index].mInventoryUUID = LLUUID::null;
        mStates[index].mCurrentAnimation = 0;
        mStates[index].mCurrentAnimationID = LLUUID::null;
        mStates[index].mCycle = false;
        mStates[index].mRandom = false;
        mStates[index].mCycleTime = 0;
        mStates[index].mDirty = false;
        mStateNames.emplace_back(stateNameList[0]);
    }
    stopTimer();
}

AOSet::~AOSet()
{
    LL_DEBUGS("AOEngine") << "Set deleted: " << this << LL_ENDL;
}

AOSet::AOState* AOSet::getState(S32 eName)
{
    return &mStates[eName];
}

AOSet::AOState* AOSet::getStateByName(const std::string& name)
{
    for (S32 index = 0; index < AOSTATES_MAX; ++index)
    {
        AOState* state = &mStates[index];
        for (auto names = 0; names < state->mAlternateNames.size(); ++names)
        {
            if (state->mAlternateNames[names].compare(name) == 0)
            {
                return state;
            }
        }
    }
    return nullptr;
}

AOSet::AOState* AOSet::getStateByRemapID(const LLUUID& id)
{
    LLUUID remap_id = id;
    if (remap_id == ANIM_AGENT_SIT_GROUND)
    {
        remap_id = ANIM_AGENT_SIT_GROUND_CONSTRAINED;
    }

    for (S32 index = 0; index < AOSTATES_MAX; ++index)
    {
        if (mStates[index].mRemapID == remap_id)
        {
            return &mStates[index];
        }
    }
    return nullptr;
}

const LLUUID& AOSet::getAnimationForState(AOState* state) const
{
    if (state)
    {
        if (auto numOfAnimations = state->mAnimations.size(); numOfAnimations > 0)
        {
            if (state->mCycle)
            {
                if (state->mRandom)
                {
                    state->mCurrentAnimation = (U32)(ll_frand() * numOfAnimations);
                    LL_DEBUGS("AOEngine") << "randomly chosen " << state->mCurrentAnimation << " of " << numOfAnimations << LL_ENDL;
                }
                else
                {
                    state->mCurrentAnimation++;
                    if (state->mCurrentAnimation >= state->mAnimations.size())
                    {
                        state->mCurrentAnimation = 0;
                    }
                    LL_DEBUGS("AOEngine") << "cycle " << state->mCurrentAnimation << " of " << numOfAnimations << LL_ENDL;
                }
            }

            AOAnimation& anim = state->mAnimations[state->mCurrentAnimation];

            if (anim.mAssetUUID.isNull())
            {
                LL_DEBUGS("AOEngine") << "Asset UUID for chosen animation " << anim.mName << " not yet known, try to find it." << LL_ENDL;

                if (LLViewerInventoryItem* item = gInventory.getItem(anim.mInventoryUUID))
                {
                    LL_DEBUGS("AOEngine") << "Found asset UUID for chosen animation: " << item->getAssetUUID() << " - Updating AOAnimation.mAssetUUID" << LL_ENDL;
                    anim.mAssetUUID = item->getAssetUUID();
                }
                else
                {
                    LL_DEBUGS("AOEngine") << "Inventory UUID " << anim.mInventoryUUID << " for chosen animation " << anim.mName << " still returns no asset." << LL_ENDL;
                }
            }

            return anim.mAssetUUID;
        }
        else
        {
            LL_DEBUGS("AOEngine") << "animation state has no animations assigned" << LL_ENDL;
        }
    }
    return LLUUID::null;
}

void AOSet::startTimer(F32 timeout)
{
    mEventTimer.stop();
    mPeriod = timeout;
    mEventTimer.start();
    LL_DEBUGS("AOEngine") << "Starting state timer for " << getName() << " at " << timeout << LL_ENDL;
}

void AOSet::stopTimer()
{
    LL_DEBUGS("AOEngine") << "State timer for " << getName() << " stopped." << LL_ENDL;
    mEventTimer.stop();
}

bool AOSet::tick()
{
    AOEngine::instance().cycleTimeout(this);
    return false;
}

const LLUUID& AOSet::getInventoryUUID() const
{
    return mInventoryID;
}

void AOSet::setInventoryUUID(const LLUUID& inventoryID)
{
    mInventoryID = inventoryID;
}

const std::string& AOSet::getName() const
{
    return mName;
}

void AOSet::setName(const std::string& name)
{
    mName = name;
}

bool AOSet::getSitOverride() const
{
    return mSitOverride;
}

void AOSet::setSitOverride(bool override_sit)
{
    mSitOverride = override_sit;
}

bool AOSet::getSmart() const
{
    return mSmart;
}

void AOSet::setSmart(bool smart)
{
    mSmart = smart;
}

bool AOSet::getMouselookStandDisable() const
{
    return mMouselookStandDisable;
}

void AOSet::setMouselookStandDisable(bool disable)
{
    mMouselookStandDisable = disable;
}

bool AOSet::getComplete() const
{
    return mComplete;
}

void AOSet::setComplete(bool complete)
{
    mComplete = complete;
}

bool AOSet::getDirty() const
{
    return mDirty;
}

void AOSet::setDirty(bool dirty)
{
    mDirty = dirty;
}

void AOSet::setMotion(const LLUUID& motion)
{
    mCurrentMotion = motion;
}

const LLUUID& AOSet::getMotion() const
{
    return mCurrentMotion;
}