Pathfinding Service basic steps!

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1. Create the PathfindingService Instance

Before using pathfinding, you need to access the PathfindingService.

local PathfindingService = game:GetService("PathfindingService")

2. Define Start and Goal Positions

You need to specify where the NPC is starting from and where it should go.

local startPosition = NPC.HumanoidRootPart.Position
local goalPosition = Target.Position  -- Target could be a storage area, tree, etc.

3. Create a Path Object

Use the CreatePath function to generate a path object.

local path = PathfindingService:CreatePath({
    AgentRadius = 2,  -- Adjust based on NPC size
    AgentHeight = 5,
    AgentCanJump = true,
    AgentJumpHeight = 7,
    AgentMaxSlope = 45
})

4. Compute the Path

The ComputeAsync function calculates a path from start to goal.

path:ComputeAsync(startPosition, goalPosition)

5. Check If the Path Is Computed Successfully

Use GetStatus() to ensure the path is valid.

if path.Status == Enum.PathStatus.Success then
     print("SUCCESS!")
end

6. Get Waypoints and Move NPC

If the path is valid, retrieve the waypoints and guide the NPC along them.

local waypoints = path:GetWaypoints()

for _, waypoint in pairs(waypoints) do
    NPC.Humanoid:MoveTo(waypoint.Position)
    NPC.Humanoid.MoveToFinished:Wait()
end

7. Handle Path Updates and Errors

If the path is blocked or changes, you may need to recalculate it.

path.Blocked:Connect(function(blockedIndex)
    print("Path is blocked! Recalculating...")
    path:ComputeAsync(NPC.HumanoidRootPart.Position, goalPosition)
end)

Example Of Full Script Including These Steps.

local PathfindingService = game:GetService("PathfindingService")

local function moveNPC(NPC, Target)
    local path = PathfindingService:CreatePath({
        AgentRadius = 2,
        AgentHeight = 5,
        AgentCanJump = true,
        AgentJumpHeight = 7,
        AgentMaxSlope = 45
    })

    path:ComputeAsync(NPC.HumanoidRootPart.Position, Target.Position)

    if path.Status == Enum.PathStatus.Success then
        local waypoints = path:GetWaypoints()

        for _, waypoint in pairs(waypoints) do
            NPC.Humanoid:MoveTo(waypoint.Position)
            NPC.Humanoid.MoveToFinished:Wait()
        end
    else
        warn("Failed to generate a path!")
    end
end

local NPC = workspace.NPC  -- Replace with your NPC
local Target = workspace.Target  -- Replace with your target destination

moveNPC(NPC, Target)
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