Pattern script

Introduction

Pattern scripts is special kind of expressions that returns 1 or 0.

Pattern scripts are used to determine availability of some functionality or event, checks for special conditions.

Pattern scripts can check for very wide range of conditions (gametime, special parms of entities, infoportions etc.).

Example of things controlled by pattern scripts:

• Enemy appearance (some enemies are only active at night, some only at day etc.)
• Gamemodels damage masks (checks if could be damaged by certain weapon)
• Checking if trigger could be touched

Operators

#	Operator	Description	#	Operator	Description	#	Operator	Description
1	( expression )	Expression	6	x > y	Greater	11	x >< start end	x > start And x < end
2	x & y	Logical 'And'	7	x >= y	Greater or equal	12	x =>< start end	x >= start And x < end
3	x | y	Logical 'Or'	8	x < y	Lesser	13	x ><= start end	x > start And x <= end
4	x = y	Equal	9	x <= y	Lesser or equal	14	x =><= start end	x >= start And x <= end
5	x != y	Not equal	10	x & not y	Logical Not

Functions

Set of functinos is determined by pattern realisations. There is two pattern realizations as of yet.

GenericPattern

This is generic appearance pattern. It used on monster's appecrance, zone appearance (check if zone is active).

GamemodelHitPattern

Pattern functions used by Gamemodels to determine, if break animation is available for a certain type of weapon.