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Author Topic: Building an RPG engine in GML  (Read 9041 times)
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roger
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« on: February 03, 2016, 11:41:50 PM »

I've had this idea for an RPG engine for a while so I've started building it out. I'm using GS sprites for the visuals since it will use a similar graphics engine for the battles.

Currently I just have the basic rotation effect working, but it's pretty rad. I have it for download here.

https://www.dropbox.com/s/am7kanqpujj5rj9/gsdemo.zip?dl=0

File's still uploading while I write this but yeah.
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Salanewt
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« Reply #1 on: February 03, 2016, 11:49:45 PM »

Nice work! I do believe I will take a look pretty soon, provided I don't forget.  Sweat Drop

Are you planning a whole new game with this engine?

Edit: Took a look, and it seems like a nice start! For those who decide to check it out and can't understand it, the speed of your mouse decides how much the camera will spin (and how fast). Horizontal movement.

« Last Edit: February 04, 2016, 12:14:34 AM by Lord Squirtle » Logged

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roger
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« Reply #2 on: February 05, 2016, 08:13:45 PM »

Yeah, I'm building a game out, I just want to have the basic animation functions for battle ready. Currently I have the following working:

> Camera rotation (fixed a lot of the issues)
> jumping
> Zoom for critical hits (sort of working, still need to figure out how to center the camera

Once I finish doing moving from one character towards another, I can set up basic attack animations and start building the actually battle engine. The stats are there but they don't really do anything.
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roger
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« Reply #3 on: February 06, 2016, 04:49:55 PM »

Update:

Working on attacking animations right now, but I got this humerous bug:



Clearly that jupiter djinni just wants to get out of there.
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Salanewt
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« Reply #4 on: February 06, 2016, 05:39:55 PM »

Well yeah, they have been stuck in that room for days now. :P

Looking good! I'm also pretty excited to see what sort of game you're planning with this engine; should be fun.
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« Reply #5 on: February 07, 2016, 11:27:09 PM »

Alright, I've updated the link again. New features:

- Title screen with music.
- Jumping attack with critical animation.
- Battle entrance animation by pressing enter.
- Showing a little off with the music engine changing songs.
- Restart the demo by pressing shift.

EDIT: Totally forgot this forum had an upload feature lol

* colors_demo.zip (3808.8 KB - downloaded 43 times.)
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Salanewt
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« Reply #6 on: February 08, 2016, 12:03:21 AM »

Going to check it out later, but I already downloaded; looks good so far!

Also lol, yeah. Uploading is fun. :P
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roger
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« Reply #7 on: February 09, 2016, 12:07:50 AM »

Updated the dropbox link again, if you really need the old version, you can download it from the above posts.

Updates:
- Have attack animation. You have to press enter twice to get through it entirely.
- Expanded sprites and backgrounds by 4 times, they will be replaced by the next release
- Names above the Battlers (representing their future sprites)
- Text below the battle scene
- Locks rotation when attacking.

There are some bugs regarding depth, shadows and some attack angles and the critical hit I'd like to work out a bit better. But it's looking a lot better than before.

I'll update this post with some pics of it in action.

EDIT: Images

The game's tentative name is currently "Colors".

Spoiler for Hiden:
Title Screen


Enter Battle


Attack


* colors_demo.zip (3991.33 KB - downloaded 42 times.)
« Last Edit: February 09, 2016, 12:23:08 AM by Seto Kaiba » Logged

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Salanewt
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« Reply #8 on: February 09, 2016, 02:38:47 AM »

Looking good! I just tried it out, and everything seems to work okay enough as well.
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roger
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« Reply #9 on: February 12, 2016, 01:46:14 AM »



Here's a preview with some new sprites.
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Salanewt
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« Reply #10 on: February 12, 2016, 01:50:25 AM »

Looking good! An army of Mikes and a Uniwyvern?
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« Reply #11 on: February 12, 2016, 01:57:40 AM »

Right now I'm working on getting the stats to load into their proper places. Since there's no real general party objects defined yet, the party just spawns a bunch of empty battlers, which defaults to Mike.

The birds are called "Skullbird" and the Unicorn thing is called "Tricorn".

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« Reply #12 on: February 12, 2016, 02:01:02 AM »

Awesome, nice work! I'm really interested in seeing how this develops; the "aura" in the upper left in particular.
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« Reply #13 on: February 12, 2016, 06:36:32 AM »

Great stuff.
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roger
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« Reply #14 on: February 13, 2016, 07:53:56 PM »

To answer your question Salanewt, the Aura colour is a colour that is used for your team's "aura", which is a combination of the colours in your party.

The algorithm is this:

If the colour's individual red/green/blue values are under 127, it subtracts from the current value. Otherwise it adds x - 127 to the current colour. It clamps between 0 and 255.

The closer each red/green/blue value is to either 0 or 255, the more of a stat boost you get, depending on what value it is. It goes up to 7 and applies to attack, defense, magic, resistance, agility and MP recovery.

In addition, if the aura colour is in a certain range, you also get special field effects that correlate with that colour's element. For example, red burns all non-fire type opponents for burn damage at the end of each turn.

There are two ways to change colour in battle.

Basically, each team has a colour modifier list, that you can add new colours to. It applies the same algorithm, in order, from the team's base colour calculated at the beginning of the battle through all the colours in this list.

You can add colours to your team by "dipping the paint", which adds the character's colour value to the current aura. Or, your enemy can "throw the paint" at you, which will add their aura colour to yours. Some monsters have special abilities that can add colours to your or their aura as well.

The catch - you can't see your opponent's aura and vice versa. You can only tell what it approximately is from the elemental field effects that are applied.

The colour changing effects decay after 2 turns, and only one member of either team can "dip the paint" or "throw the paint" a turn (however any other effect that adds colours can still apply)

In addition, each character has a weapon that basically adds a special chance effect to their ordinary attack. For example, people with canes have a chance to attack 3 times in a row, swords can cause the bleed status while guns can cause an enemy to flinch.
« Last Edit: February 13, 2016, 07:57:27 PM by Seto Kaiba » Logged

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Cbox
August 20, 2017, 08:59:37 PM
Fox: Same... depending on whether they've used tricks instead or not.
August 20, 2017, 08:02:49 PM
Salanewt: I could see it counting.
August 20, 2017, 11:24:44 AM
Fox: Not sure if Zelda (LttP/Minish Cap) count or not...
August 20, 2017, 11:23:00 AM
Fox: Appararently, I can't think of many GBA games that do the psuedo-3D thing. (That being 2D maps with 3D-like collision...) Golden Sun and Superstar Saga come to mind, though... but I'll need to think about others, since it is quite possible i've simply forgotten....
August 19, 2017, 03:45:19 PM
Fox: Hmm... Thought: What if Isaac and co. weren't on Jupiter Lighthouse when Felix and co. were... I wonder if the story could have had a huge expansion, in this case.
August 18, 2017, 12:18:56 PM
Fox: Welcome back!
August 18, 2017, 09:12:43 AM
Luna_blade: back from vacation
August 17, 2017, 02:29:26 AM
Fox: That moment when you realize that there is a lot of chatting going on on Discord, that there is no point in trying to keep up. :P  Hm....
August 16, 2017, 04:50:22 AM
Fox: (Then again, just because posting is disabled, doesn't necessarily mean the buttons would be removed as well.)
August 16, 2017, 04:48:55 AM
Fox: (I mean, buttons I would expect to be similar to that.... rather than those specifically since I recall posting there to be disabled.)
August 16, 2017, 04:33:02 AM
Fox: Yeah... I like to think of it as a page loaded with ads. And it's not just the forum home page either... check the sub-forums/topics themselves. == New Topic/Reply/etc. buttons were affected.
August 15, 2017, 07:04:30 PM
Salanewt: Lol, nice. :P
August 15, 2017, 06:33:02 PM
Foxhttp://z9.invisionfree.com/Golden_Sun_Hacking/index.php? == Hahaha! GSHC Classic looks funny now that Photobucket killed the images. :P Anyway, how is everyone doing today?
August 14, 2017, 07:12:02 PM
Salanewt: So yeah, I'm typing up a non-academic essay on why GS2 was rushed; expect that sometime soon!
August 07, 2017, 05:53:11 AM
Fox: But anyway, such a hack mod is simply an idea, and I do not have any current plans to work on it at this time, so.....
August 07, 2017, 05:51:46 AM
Fox: Okay, cool. I think my idea works best without an ability to swap PCs (OR to just simply make that use it the PC's turn.) Hmmm... And with that, I question if a turn list is even needed with my approach. (Outside of maybe 1 entry, if that shortens the modifications.)
August 07, 2017, 05:13:26 AM
Salanewt: To be honest I've been thinking of expanding the battle turn section and also adding code for PCs to have more than two turns in the AI overhaul, but I probably won't allow anyone to have more than four.
August 06, 2017, 12:22:17 AM
Fox: Oh, and if that approach was taken = Would like to also have it so you select the spell to use when it is actually your turn rather than at round start.
August 06, 2017, 12:12:37 AM
Fox: Would take a lot of balancing, but I can see an adept being very slow, and yet very powerful.
August 06, 2017, 12:06:11 AM
Fox: And bosses can have an Agility that is above half of the maximum possible Agility. Mwahaha.

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