R6 NPC animate script server

-- humanoidAnimatePlayEmote.lua

local Figure = script.Parent
local Torso = Figure:WaitForChild("Torso")
local RightShoulder = Torso:WaitForChild("Right Shoulder")
local LeftShoulder = Torso:WaitForChild("Left Shoulder")
local RightHip = Torso:WaitForChild("Right Hip")
local LeftHip = Torso:WaitForChild("Left Hip")
local Neck = Torso:WaitForChild("Neck")
local Humanoid = Figure:WaitForChild("Humanoid")
local pose = "Standing"

local EMOTE_TRANSITION_TIME = 0.1

local userAnimateScaleRunSuccess, userAnimateScaleRunValue = pcall(function() return UserSettings():IsUserFeatureEnabled("UserAnimateScaleRun") end)
local userAnimateScaleRun = userAnimateScaleRunSuccess and userAnimateScaleRunValue

local function getRigScale()
    if userAnimateScaleRun then
        return Figure:GetScale()
    else
        return 1
    end
end

local currentAnim = ""
local currentAnimInstance = nil
local currentAnimTrack = nil
local currentAnimKeyframeHandler = nil
local currentAnimSpeed = 1.0
local animTable = {}
local animNames = {
    idle =  {
        { id = "http://www.roblox.com/asset/?id=180435571", weight = 9 },
        { id = "http://www.roblox.com/asset/?id=180435792", weight = 1 }
    },
    walk =  {
        { id = "http://www.roblox.com/asset/?id=180426354", weight = 10 }
    },
    run =   {
        { id = "run.xml", weight = 10 }
    },
    jump =  {
        { id = "http://www.roblox.com/asset/?id=125750702", weight = 10 }
    },
    fall =  {
        { id = "http://www.roblox.com/asset/?id=180436148", weight = 10 }
    },
    climb = {
        { id = "http://www.roblox.com/asset/?id=180436334", weight = 10 }
    },
    sit =   {
        { id = "http://www.roblox.com/asset/?id=178130996", weight = 10 }
    },
    toolnone = {
        { id = "http://www.roblox.com/asset/?id=182393478", weight = 10 }
    },
    toolslash = {
        { id = "http://www.roblox.com/asset/?id=129967390", weight = 10 }
        --              { id = "slash.xml", weight = 10 }
    },
    toollunge = {
        { id = "http://www.roblox.com/asset/?id=129967478", weight = 10 }
    },
    wave = {
        { id = "http://www.roblox.com/asset/?id=128777973", weight = 10 }
    },
    point = {
        { id = "http://www.roblox.com/asset/?id=128853357", weight = 10 }
    },
    dance1 = {
        { id = "http://www.roblox.com/asset/?id=182435998", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491037", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491065", weight = 10 }
    },
    dance2 = {
        { id = "http://www.roblox.com/asset/?id=182436842", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491248", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491277", weight = 10 }
    },
    dance3 = {
        { id = "http://www.roblox.com/asset/?id=182436935", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491368", weight = 10 },
        { id = "http://www.roblox.com/asset/?id=182491423", weight = 10 }
    },
    laugh = {
        { id = "http://www.roblox.com/asset/?id=129423131", weight = 10 }
    },
    cheer = {
        { id = "http://www.roblox.com/asset/?id=129423030", weight = 10 }
    },
}
local dances = {"dance1", "dance2", "dance3"}

-- Existance in this list signifies that it is an emote, the value indicates if it is a looping emote
local emoteNames = { wave = false, point = false, dance1 = true, dance2 = true, dance3 = true, laugh = false, cheer = false}

function configureAnimationSet(name, fileList)
    if (animTable[name] ~= nil) then
        for _, connection in pairs(animTable[name].connections) do
            connection:disconnect()
        end
    end
    animTable[name] = {}
    animTable[name].count = 0
    animTable[name].totalWeight = 0
    animTable[name].connections = {}

    -- check for config values
    local config = script:FindFirstChild(name)
    if (config ~= nil) then
        --      print("Loading anims " .. name)
        table.insert(animTable[name].connections, config.ChildAdded:connect(function(child) configureAnimationSet(name, fileList) end))
        table.insert(animTable[name].connections, config.ChildRemoved:connect(function(child) configureAnimationSet(name, fileList) end))
        local idx = 1
        for _, childPart in pairs(config:GetChildren()) do
            if (childPart:IsA("Animation")) then
                table.insert(animTable[name].connections, childPart.Changed:connect(function(property) configureAnimationSet(name, fileList) end))
                animTable[name][idx] = {}
                animTable[name][idx].anim = childPart
                local weightObject = childPart:FindFirstChild("Weight")
                if (weightObject == nil) then
                    animTable[name][idx].weight = 1
                else
                    animTable[name][idx].weight = weightObject.Value
                end
                animTable[name].count = animTable[name].count + 1
                animTable[name].totalWeight = animTable[name].totalWeight + animTable[name][idx].weight
                --          print(name .. " [" .. idx .. "] " .. animTable[name][idx].anim.AnimationId .. " (" .. animTable[name][idx].weight .. ")")
                idx = idx + 1
            end
        end
    end

    -- fallback to defaults
    if (animTable[name].count <= 0) then
        for idx, anim in pairs(fileList) do
            animTable[name][idx] = {}
            animTable[name][idx].anim = Instance.new("Animation")
            animTable[name][idx].anim.Name = name
            animTable[name][idx].anim.AnimationId = anim.id
            animTable[name][idx].weight = anim.weight
            animTable[name].count = animTable[name].count + 1
            animTable[name].totalWeight = animTable[name].totalWeight + anim.weight
            --          print(name .. " [" .. idx .. "] " .. anim.id .. " (" .. anim.weight .. ")")
        end
    end
end

-- Setup animation objects
function scriptChildModified(child)
    local fileList = animNames[child.Name]
    if (fileList ~= nil) then
        configureAnimationSet(child.Name, fileList)
    end
end

script.ChildAdded:connect(scriptChildModified)
script.ChildRemoved:connect(scriptChildModified)

-- Clear any existing animation tracks
-- Fixes issue with characters that are moved in and out of the Workspace accumulating tracks
local animator = if Humanoid then Humanoid:FindFirstChildOfClass("Animator") else nil
if animator then
    local animTracks = animator:GetPlayingAnimationTracks()
    for i,track in ipairs(animTracks) do
        track:Stop(0)
        track:Destroy()
    end
end


for name, fileList in pairs(animNames) do
    configureAnimationSet(name, fileList)
end

-- ANIMATION

-- declarations
local toolAnim = "None"
local toolAnimTime = 0

local jumpAnimTime = 0
local jumpAnimDuration = 0.3

local toolTransitionTime = 0.1
local fallTransitionTime = 0.3
local jumpMaxLimbVelocity = 0.75

-- functions

function stopAllAnimations()
    local oldAnim = currentAnim

    -- return to idle if finishing an emote
    if (emoteNames[oldAnim] ~= nil and emoteNames[oldAnim] == false) then
        oldAnim = "idle"
    end

    currentAnim = ""
    currentAnimInstance = nil
    if (currentAnimKeyframeHandler ~= nil) then
        currentAnimKeyframeHandler:disconnect()
    end

    if (currentAnimTrack ~= nil) then
        currentAnimTrack:Stop()
        currentAnimTrack:Destroy()
        currentAnimTrack = nil
    end
    return oldAnim
end

function setAnimationSpeed(speed)
    if speed ~= currentAnimSpeed then
        currentAnimSpeed = speed
        currentAnimTrack:AdjustSpeed(currentAnimSpeed)
    end
end

function keyFrameReachedFunc(frameName)
    if (frameName == "End") then

        local repeatAnim = currentAnim
        -- return to idle if finishing an emote
        if (emoteNames[repeatAnim] ~= nil and emoteNames[repeatAnim] == false) then
            repeatAnim = "idle"
        end

        local animSpeed = currentAnimSpeed
        playAnimation(repeatAnim, 0.0, Humanoid)
        setAnimationSpeed(animSpeed)
    end
end

-- Preload animations
function playAnimation(animName, transitionTime, humanoid)

    local roll = math.random(1, animTable[animName].totalWeight)
    local origRoll = roll
    local idx = 1
    while (roll > animTable[animName][idx].weight) do
        roll = roll - animTable[animName][idx].weight
        idx = idx + 1
    end
    --      print(animName .. " " .. idx .. " [" .. origRoll .. "]")
    local anim = animTable[animName][idx].anim

    -- switch animation
    if (anim ~= currentAnimInstance) then

        if (currentAnimTrack ~= nil) then
            currentAnimTrack:Stop(transitionTime)
            currentAnimTrack:Destroy()
        end

        currentAnimSpeed = 1.0

        -- load it to the humanoid; get AnimationTrack
        currentAnimTrack = humanoid:LoadAnimation(anim)
        currentAnimTrack.Priority = Enum.AnimationPriority.Core

        -- play the animation
        currentAnimTrack:Play(transitionTime)
        currentAnim = animName
        currentAnimInstance = anim

        -- set up keyframe name triggers
        if (currentAnimKeyframeHandler ~= nil) then
            currentAnimKeyframeHandler:disconnect()
        end
        currentAnimKeyframeHandler = currentAnimTrack.KeyframeReached:connect(keyFrameReachedFunc)

    end

end

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local toolAnimName = ""
local toolAnimTrack = nil
local toolAnimInstance = nil
local currentToolAnimKeyframeHandler = nil

function toolKeyFrameReachedFunc(frameName)
    if (frameName == "End") then
        --      print("Keyframe : ".. frameName)
        playToolAnimation(toolAnimName, 0.0, Humanoid)
    end
end


function playToolAnimation(animName, transitionTime, humanoid, priority)

    local roll = math.random(1, animTable[animName].totalWeight)
    local origRoll = roll
    local idx = 1
    while (roll > animTable[animName][idx].weight) do
        roll = roll - animTable[animName][idx].weight
        idx = idx + 1
    end
    --      print(animName .. " * " .. idx .. " [" .. origRoll .. "]")
    local anim = animTable[animName][idx].anim

    if (toolAnimInstance ~= anim) then

        if (toolAnimTrack ~= nil) then
            toolAnimTrack:Stop()
            toolAnimTrack:Destroy()
            transitionTime = 0
        end

        -- load it to the humanoid; get AnimationTrack
        toolAnimTrack = humanoid:LoadAnimation(anim)
        if priority then
            toolAnimTrack.Priority = priority
        end

        -- play the animation
        toolAnimTrack:Play(transitionTime)
        toolAnimName = animName
        toolAnimInstance = anim

        currentToolAnimKeyframeHandler = toolAnimTrack.KeyframeReached:connect(toolKeyFrameReachedFunc)
    end
end

function stopToolAnimations()
    local oldAnim = toolAnimName

    if (currentToolAnimKeyframeHandler ~= nil) then
        currentToolAnimKeyframeHandler:disconnect()
    end

    toolAnimName = ""
    toolAnimInstance = nil
    if (toolAnimTrack ~= nil) then
        toolAnimTrack:Stop()
        toolAnimTrack:Destroy()
        toolAnimTrack = nil
    end


    return oldAnim
end

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function onRunning(speed)
    speed /= getRigScale()

    if speed > 0.01 then
        playAnimation("walk", 0.1, Humanoid)
        if currentAnimInstance and currentAnimInstance.AnimationId == "http://www.roblox.com/asset/?id=180426354" then
            setAnimationSpeed(speed / 14.5)
        end
        pose = "Running"
    else
        if emoteNames[currentAnim] == nil then
            playAnimation("idle", 0.1, Humanoid)
            pose = "Standing"
        end
    end
end

function onDied()
    pose = "Dead"
end

function onJumping()
    playAnimation("jump", 0.1, Humanoid)
    jumpAnimTime = jumpAnimDuration
    pose = "Jumping"
end

function onClimbing(speed)
    speed /= getRigScale()

    playAnimation("climb", 0.1, Humanoid)
    setAnimationSpeed(speed / 12.0)
    pose = "Climbing"
end

function onGettingUp()
    pose = "GettingUp"
end

function onFreeFall()
    if (jumpAnimTime <= 0) then
        playAnimation("fall", fallTransitionTime, Humanoid)
    end
    pose = "FreeFall"
end

function onFallingDown()
    pose = "FallingDown"
end

function onSeated()
    pose = "Seated"
end

function onPlatformStanding()
    pose = "PlatformStanding"
end

function onSwimming(speed)
    if speed > 0 then
        pose = "Running"
    else
        pose = "Standing"
    end
end

function getTool()
    for _, kid in ipairs(Figure:GetChildren()) do
        if kid.className == "Tool" then return kid end
    end
    return nil
end

function getToolAnim(tool)
    for _, c in ipairs(tool:GetChildren()) do
        if c.Name == "toolanim" and c.className == "StringValue" then
            return c
        end
    end
    return nil
end

function animateTool()

    if (toolAnim == "None") then
        playToolAnimation("toolnone", toolTransitionTime, Humanoid, Enum.AnimationPriority.Idle)
        return
    end

    if (toolAnim == "Slash") then
        playToolAnimation("toolslash", 0, Humanoid, Enum.AnimationPriority.Action)
        return
    end

    if (toolAnim == "Lunge") then
        playToolAnimation("toollunge", 0, Humanoid, Enum.AnimationPriority.Action)
        return
    end
end

function moveSit()
    RightShoulder.MaxVelocity = 0.15
    LeftShoulder.MaxVelocity = 0.15
    RightShoulder:SetDesiredAngle(3.14 /2)
    LeftShoulder:SetDesiredAngle(-3.14 /2)
    RightHip:SetDesiredAngle(3.14 /2)
    LeftHip:SetDesiredAngle(-3.14 /2)
end

local lastTick = 0

function move(time)
    local amplitude = 1
    local frequency = 1
    local deltaTime = time - lastTick
    lastTick = time

    local climbFudge = 0
    local setAngles = false

    if (jumpAnimTime > 0) then
        jumpAnimTime = jumpAnimTime - deltaTime
    end

    if (pose == "FreeFall" and jumpAnimTime <= 0) then
        playAnimation("fall", fallTransitionTime, Humanoid)
    elseif (pose == "Seated") then
        playAnimation("sit", 0.5, Humanoid)
        return
    elseif (pose == "Running") then
        playAnimation("walk", 0.1, Humanoid)
    elseif (pose == "Dead" or pose == "GettingUp" or pose == "FallingDown" or pose == "Seated" or pose == "PlatformStanding") then
        --      print("Wha " .. pose)
        stopAllAnimations()
        amplitude = 0.1
        frequency = 1
        setAngles = true
    end

    if (setAngles) then
        local desiredAngle = amplitude * math.sin(time * frequency)

        RightShoulder:SetDesiredAngle(desiredAngle + climbFudge)
        LeftShoulder:SetDesiredAngle(desiredAngle - climbFudge)
        RightHip:SetDesiredAngle(-desiredAngle)
        LeftHip:SetDesiredAngle(-desiredAngle)
    end

    -- Tool Animation handling
    local tool = getTool()
    if tool and tool:FindFirstChild("Handle") then

        local animStringValueObject = getToolAnim(tool)

        if animStringValueObject then
            toolAnim = animStringValueObject.Value
            -- message recieved, delete StringValue
            animStringValueObject.Parent = nil
            toolAnimTime = time + .3
        end

        if time > toolAnimTime then
            toolAnimTime = 0
            toolAnim = "None"
        end

        animateTool()
    else
        stopToolAnimations()
        toolAnim = "None"
        toolAnimInstance = nil
        toolAnimTime = 0
    end
end

-- connect events
Humanoid.Died:connect(onDied)
Humanoid.Running:connect(onRunning)
Humanoid.Jumping:connect(onJumping)
Humanoid.Climbing:connect(onClimbing)
Humanoid.GettingUp:connect(onGettingUp)
Humanoid.FreeFalling:connect(onFreeFall)
Humanoid.FallingDown:connect(onFallingDown)
Humanoid.Seated:connect(onSeated)
Humanoid.PlatformStanding:connect(onPlatformStanding)
Humanoid.Swimming:connect(onSwimming)