Custom deployable that accepts item

[SenL]

Hi,

 

I'm creating a custom deployable that accepts item where the item changes its behavior.

Example: Give "goldnugget" and it will do mode A or give "gears" and it will do mode B.

Question: How does this "mode" get saved between session (server disconnects)?

 

In character prefab, it has "OnSave" and "OnPreLoad" but I don't know if these exist in regular prefab.

 

Idea/hint?

 

Thanks.

[rezecib]

@SenL, They exist for entities in general. See birdtrap.lua, for example. Note that you can't just declare an OnSave/OnLoad function, you have to attach it to the instance:

    inst.OnSave = OnSave    inst.OnLoad = OnLoad

[SenL]

Thanks rezecib. It works.

I do have another question.

 

This deployable item (it's a totem) has health component because I want this to be destroyable on the field.

However when in inventory, there is an option to "murder" just as if it was a rabbit/bird, lol.

How do I remedy this?

 

I could spawn another clone prefab (that doesn't have health component) and remove self just like "eyeturret" but then I also want this item to undeploy when player picks up.

 

Thanks.

[Kzisor]

@SenL, don't add the health component until you've deployed the item. 

[SenL]

@Kzisor Right but once deployed how do I make it "un-deploy" able?

[rezecib]

@SenL, Remove inventoryitem and deployable components, I guess?

[SenL]

@rezecib It makes the totem deploys right on ground instead of going to the inventory and cannot be picked up.

I want it to be in inventory, deploy on field, and pick it up. So it'd be a portable destroyable healing station.

 

Yes, sure make the game easier ... well it's optional mod .

[Kzisor]

@SenL, take a look at the tooth trap as that does exactly what you're wanting to achieve. 

[SenL]

@Kzisor Tooth trap, yes. It has inventoryitem, deployable but no health. It has finite uses instead.

 

[Kzisor]

@Kzisor Tooth trap, yes. It has inventoryitem, deployable but no health. It has finite uses instead.

 

Yeah...I don't understand your point. We've told you how to fix it.Use the tooth trap code as a base, simply add the health component once it's deployed at the same time remove the deployable component. When you pick the item back up remove the health component and add the deployable component.

 

Doesn't seem like it'd be that difficult to accomplish, nor a giant leap from what both rezecib and I have said. 

[SenL]

Ok that makes sense. In inventory: remove health and add deployable. Once deployed: add health and remove deployable.

It doesn't sound difficult but I've never done it.

Thanks.

[Kzisor]

@SenL, remember to save the important information such as durability, uses, etc. so you can maintain it across placements and across saves. This will need to be done on the item itself; inside the OnSave and OnLoad functions. 

[SenL]

Yes I have OnSave and OnLoad. Thank you.

 

So I'm not at home so I can't test/play but here's my draft code. I have a question of to use "ListenForEvent" or to use inventoryitem's SetOnPickupFn ...

 

Code is:

--...

 

local function ondeploy(inst, pt, deployer)

  --add health component

  if not inst.components.health then

    inst:AddComponent("health")

  end

  inst.components.health:SetMaxHealth(333)

  inst.components.health:StartRegen(12, 3) --12s, 3hp

 

  --remove deployable component

  if inst.components.deployable then

    inst:RemoveComponent("deployable")

  end

end

 

local function onpickup(inst)

  --remove health component

  if inst.components.health then

    inst:RemoveComponent("health")

  end

 

  --add deployable component

  if not inst.components.deployable then

    inst:AddComponent("deployable")

  end

  inst.components.deployable.ondeploy = ondeploy

end

 

local function fn()

  local inst = CreateEntity()

  --...

 

  inst:AddComponent("deployable")

  inst.components.deployable.ondeploy = ondeploy

 

  inst:ListenForEvent("onpickup", onpickup) --this?

  inst.components.inventoryitem:SetOnPickupFn(onpickup) --or this?

 

  --...

 

return inst

end

 

return Prefab("common/mydeployabledestroyablehealingtotem", fn, assets)

 

Suggestion?

[seronis]

If you're still confused and want more examples to flesh out your understanding then look at Mandrakes.  They have health and pickable components added and removed based on whether the mandrake is in the ground, in inventory, or following you.

[SenL]

Ahh mandrake, yes - I'll take a look. Ty.