R6 Simplified Animate Script

local Character = script.Parent
local Humanoid = Character:WaitForChild("Humanoid")
local RootPart = Character:WaitForChild("HumanoidRootPart")
local Animator = Humanoid:WaitForChild("Animator")

local currentAnim = ""
local currentAnimTrack = nil
local animationTable = {}

-- Preload animations
local animations = {
    -- here put your own anim iDs
    idleAnimation = "http://www.roblox.com/asset/?id=180435571",
    walkAnimation = "http://www.roblox.com/asset/?id=180426354",
    jumpAnimation = "http://www.roblox.com/asset/?id=125750702",
    fallAnimation = "http://www.roblox.com/asset/?id=180436148",
    climbAnimation = "http://www.roblox.com/asset/?id=180436334",
    sitAnimation = "http://www.roblox.com/asset/?id=178130996",

    -- you can add your own animations, remember that they should play when humanoid enters a certain state or situation
}

for animName, animId in pairs(animations) do
    local anim = Instance.new("Animation")
    anim.AnimationId = animId
    animationTable[animName] = anim
end

-- Stop all animations
local function StopAllAnimations()
    if currentAnimTrack then
        currentAnimTrack:Stop()
        currentAnimTrack:Destroy()
        currentAnimTrack = nil
    end
end

-- Play animation by name
local function PlayAnimation(animName)
    if animName == currentAnim then return end
    StopAllAnimations()
    currentAnim = animName
    currentAnimTrack = Animator:LoadAnimation(animationTable[animName])
    currentAnimTrack:Play()
end

local function onSeated()
    PlayAnimation("sitAnimation")
end

-- Humanoid state change functions
local function onJumping()
    PlayAnimation("jumpAnimation")
end

local function onClimbing(speed)
    if math.abs(speed) > 0.2 then
        if currentAnim ~= "climbAnimation" then
            PlayAnimation("climbAnimation")
        elseif currentAnimTrack then
            currentAnimTrack:AdjustSpeed(1)
        end
    else
        if currentAnimTrack then
            currentAnimTrack:AdjustSpeed(0)
        end
    end
end

local function onFalling()
    PlayAnimation("fallAnimation")
end

local function onRunning(speed)
    if speed > 0.2 then
        PlayAnimation("walkAnimation")
    else
        PlayAnimation("idleAnimation")
    end
end

-- Connect humanoid state events
Humanoid.Seated:Connect(function()
    StopAllAnimations()
    PlayAnimation("sitAnimation")
end)

-- no swim anim, uses running animation instead
Humanoid.Swimming:Connect(onRunning)

Humanoid.Running:Connect(onRunning)
Humanoid.FreeFalling:Connect(onFalling)
Humanoid.Climbing:Connect(onClimbing)
Humanoid.Jumping:Connect(onJumping)
Humanoid.Died:Connect(function()
    StopAllAnimations()
    currentAnim = ""
end)