NPC drops system

pljay03 · 02-15-2010, 08:54 PM

Basically how it works is you create a new text file with the ID of the NPC as the name. Then you can easily add the types of drops (be it rare, common, etc.) and then the item ID, and the amount. Here's an example:

Code:

#npc
name "Vampire"
level "72"
health "86"

#bones
type "always"	526	1
type "always"	528	1
type "always"	531	6

#party hats
type "super_rare"	1038	1
type "super_rare"	1040	2
type "super_rare"	1042	3
type "super_rare"	1044	4
type "super_rare"	1046	5
type "super_rare"	1048	6

#whip + cannon parts
type "rare"	4151	1
type "rare"	6	1
type "rare"	8	1
type "rare"	10	1
type "rare"	12	1

#rare runes
type "uncommon"	565	3
type "uncommon" 566 4

#regular runes
type "common" 554 50
type "common" 555 12
type "common" 556 17
type "common" 557 10
type "common" 558 10
type "common" 559 10
type "common" 560 10
type "common" 561 8
type "common" 562 6
type "common" 563 3
type "common" 564 17

Here are some drop rates, you kill this NPC ten times, here are your chances:

Code:

NPCAI> Super rare:      0
NPCAI> Rare:            0
NPCAI> Uncommon:        4
NPCAI> Common:          6

You kill this NPC 100 times, here are your chances:

Code:

NPCAI> Super rare:      0
NPCAI> Rare:            5
NPCAI> Uncommon:        21
NPCAI> Common:          74

You kill this NPC 1000 times, here are your chances:

Code:

NPCAI> Super rare:      6
NPCAI> Rare:            37
NPCAI> Uncommon:        220
NPCAI> Common:          737

You guys have any suggestions? And if people like it, I can release it.

***~Pwnt~*** · 02-15-2010, 08:58 PM

Really nice did you just make them into like percents? Like super rare = 5 percent common = 80 percent?

pljay03 · 02-15-2010, 09:00 PM

Originally Posted by *~Pwnt~*

Really nice did you just make them into like percents? Like super rare = 5 percent common = 80 percent?

Thanks

I didn't use percents simply because I'm pretty stupid when it comes to mathematics, but the drop rates are pretty good right now though I think. Here's how it works:

Code:

	public void TestDropRate(int kills)
	{
		int Difference;
		
		for (int x = 0; x < kills; x++)
		{
			int ChanceOne = misc.random(100), ChanceTwo = misc.random(100);
			Difference = (ChanceOne > ChanceTwo ? ChanceOne - ChanceTwo : ChanceTwo - ChanceOne);
			
			if (Difference == 0) super_rare++;
			else if (Difference > 0 && Difference < 3) rare++;
			else if (Difference > 2 && Difference < 16) uncommon++;
			else common++;	
		}
		
		log("Super rare: \t" + super_rare);
		log("Rare: \t\t" + rare);
		log("Uncommon: \t" + uncommon);
		log("Common: \t\t" + common);
	}

Let's for example the drop it chose was a rare one, it would read through all the rare drops in the text file, and choose one of them randomly.

**~~Proffesor Oak~~** · 02-16-2010, 03:22 PM

Looks good i suppose

Thread: NPC drops system

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