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Lorinthio

21 Jun, 2016 @ 6:42am

Starting a mount mod....

Hey guys, I'm beginning work on a mount mod. Eventually I plan to get art and animations for different horse types. To start with I am going to utilize the speed and edit some of its ai. But the first issue to come up with is how to control an entity via player input. Is there an easy way to attach one to the other or will I need a task to handle this?

Since you may wonder why you would need a mount in the first place, I'm considering making it a summoning item that you could use in other worlds to explore more quickly. You will have higher move speed and jump time while mounted

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Showing 1-7 of 7 comments

Baxter900

21 Jun, 2016 @ 9:20am

Hmm, no clue the best way to tie entity control to the player. Try input.py and see if that's any help.

As for the ai, if you want an easy-ish base for the ai I had at one point made a "pet" ai base. The pet would just essentially try to follow you around semi-closely. It was made for a pet that was tied to a summoning item, so I can give you that whole file if you want the basis.

Lorinthio

21 Jun, 2016 @ 1:47pm

Yeah it would definitely help in the creation of my own ai! Thanks in advance!

The only thing I'm afraid of is mostly the client/user of the mount. I could see the player who is controlling the mount, on his specific client moving in front of the horse due to network delay. Where all the other players would see it update correctly each frame.

So if there is a way to pass the authoritative power from the server to the client for this one entity, thats what I would most likely need. So fingers crossed I don't have to do too much extra work for it

Lorinthio

21 Jun, 2016 @ 2:30pm

After doing some code browsing I did find a promising code snippet. Which I may be able to use if I'm understanding it.

The core/component/projectile.py has an attachTo method.

def attachTo(self, entity, offset=Vector()): parent = self.getParent() if entity.has('attachment'): entity.attachment.attach(parent, offset) else: self.attached = entity self.attachedOffset = offset parent.physics.onTimeStep.listen(partial(self.attachOnHit, moveToCenter=False))

Seems promising if I can manage to make sure that my mount entity has 'attachment'... (searching for what this is referring to now)

Edit: Seems like players definitely has attachment, so I'm thinking, I can feed into input as you suggested check if the player is mounted with a bool flag, and then move the mount as well as the player in the same frame.

Last edited by Lorinthio; 21 Jun, 2016 @ 2:42pm

Baxter900

21 Jun, 2016 @ 9:15pm

I'll get the code to you for the pet tomorrow morning.

Lorinthio

21 Jun, 2016 @ 9:20pm

Seems like my hunch with the attachTo method was right. Was buggin Jasson tonight with the question, and he said that the server/client will be handled fine with the attach method. So the player and server will see it all correctly.

As for the AI, I'll probably just freeze it and have a simple summon ring for it. Simply to avoid needless code as well as make the mount easily moveable

Baxter900

22 Jun, 2016 @ 7:33am

Here's the pet code: https://www.dropbox.com/s/zumdydvvt241t5v/crea%20pet%20mod.zip?dl=0

It includes three pet examples, one being a speep, one an ortomi, and one a "hovercat". The "hovercat" is tied to the "cat_statue" item, interacting with the "cat_statue" item will spawn a "hovercat" if there's none nearby in the world. The pets will try to follow you (but can fail) and are non-aggressive. They are on the default player team meaning they don't take damage from the player, but do take damage from enemies. If you have any questions about it just ask!