Welcome to my Tutorial, There are a few things i will cover In this


---Arithmetic
|-Entitys
|-Sound Playback
|-Timers
|-HoloGrams
|-Color
|-Console Commands
|-Strings


Arithmetic

This is the most basic of all e2 you'll ever learn!

Basic Functions
A+B | It Adds A And B
A*B | It Multiplys A And B
A/B | It Divides A By B
A-B | Subtracts B From A
A^B | A to the B Power
floor(A) | Rounds The Variable down to the closest Integer
round(A) | Rounds A To the nearest whole number
random(A,B) | Finds A Random Value Between A and B
A+= 1 | It Adds 1 to A
A-=1 | It Takes 1 Away from A
A==B | Returns If A is equal to B
A!=B | Returns 1 if A isn't equal to B
A>B | Returns 1 if A is greater than B
A<B | Returns 1 if A is less than B
A<=B | Returns 1 if A is less than or equal to B
A=>B | Returns 1 if A is Equal to or greater than B

Say you wanted to make a rounded value between 1 and 5.

It would be typed out as,

round(random(1,5))

For example, We could make A variable Equal it.

Variable=round(random(1,25))



Not to Hard is it?

Also, Say you wanted to make A Go up 1 when Button==1

if(Button==1){A+=1}

Pretty Darn Simple!
Entitys

owner() | Finds the Spawnee Of the chip
entity() | Finds The Chip itself
:isWeldedTo()| Finds the item that is welded to the entity
:isPlayer() | Is it a player?
:isOnFire() | Is it on fire?
:isWeapon() | Is it a weapon?
:isFrozen () | Is it Frozen?
:isAdmin() | Is that player a admin?
isSuperAdmin() | Is that player a super admin?
:isCrouching() | Is that player crouching?
:isNPC() | Is it a NPC?
:inNoclip() | Is The player in noclip?
:isUnderWater() | Is it under water?
:isOnGround() | Is it on the ground?
:keyAttack1() | Are they pressing Mouse1?
:keyAttack2() | Are they pressing Mouse2?
:keyUse() | Are they pressing Use?

Lets Say You Wanted to know if your pressing mouse 1

if(owner():KeyAttack1()==1){A=B}

Simple Enough?
Also

O=owner()

if(O:inNoclip()){concmd("say Im Nocliping!")}

Simple Eh?

Sound Playback




Its alot like entitys

say you wanted to say BLARGH!

Function

if(owner():lastSaid()=="!blargh"){owner():soundPlay(1,0"npc/stalker/go_alert2a.wav")}


Now, Explain it!

so we want the Owner ( owner() ) to play the sound ( soundPlay )

The One is the ID
The 0 is the Duration ( 0 = unlimited )

Timers

These are just plain and simple

timer("Name",Duration in milleseconds)
And
if(clk("Name")){A=B}

Example

timer("A2B",5000)

That would make a timer that resets after 5 seconds

if(clk("A2B")){A=B}

So, When A2b resets, A=B



Holo Grams


holoCreate(#) - Creates A Holo With the specified number

holoMaterial(#,String) - Sets the material for the holo

holoColor(#,vec(255,255,255)) - Sets the color for the holo

holoParent(#,#) - Parents the holo to another holo or owner()

List of holo models

cone
cube
cylinder
prism
pyramid
icosphere
icosphere2
icosphere3
sphere
sphere2
sphere3
torus
torus2
torus3
plane
tetra

List of high quality holo models

hqcone
dome
dome2 (hollow)
hqcylinder
hqcylinder2
hqsphere
hqsphere2
hqicosphere
hqicosphere2
hqtorus
hqtorus2
Color

Use these to set entity colors and materials


E:setColor(N,N,N) Changes the RGB color of an entity (leaves alpha alone)

E:setColor(N,N,N,N) Changes the RGBA color of an entity

E:setColor(V) Changes the RGB color of an entity (leaves alpha alone), using a vector with values (R,G,B)

E:setColor(V,N) Changes the RGBA color of an entity, using a vector with values (R,G,B). The additional argument sets alpha

E:setColor(V4) Changes the RGBA color of an entity, using a 4D vector with values (R,G,B,A)


For Example

Say You wanted to change your color randomly

Using what we learned before...

R=round(random(1,255))
G=round(random(1,255))
B=round(random(1,255))

owner():setColor(R,G,B




Or You wanted to change your material


owner():setMaterial("models/props_lab/warp_sheet")

That would make your player material The star Sheet

My Example For this is,

This Code, is Very simple

Just put the E2 on a prop or car.
And it will select a random color.
Then delete itself.


Console Commands

wire_expression2_model <model> Changes the E2 model
wire_expression2_reload Reloads all E2 extensions
wire_expression2_debug 0/1 Toggles debug mode

Say you wanted to say IM FLYING OMG When your in Noclip


If your writing a chatbot...

So, Ingame That would look like....

ChatBot: Hello Player.
[/code]
String




These are also really simple

S:reversed - My Favorite, It flips text
S:explode() - Cuts A string into words

String explodes easy

For my OS Im Writing I use this

Yes I Know the Variable says Sexplode

But to make strings work, we need to make the Special

@outputs Variable:string

The same goes for entitys

@outputs Variable:entity

and Vectors

@outputs Variable:vector

And Angles

@outputs Variable:angle

say you wanted to make a text screen say " FART POOP "

Screen=" FART POOP"

A Text screen can also be used for a Os, Such as mine

This took me a hour to write so please respond!


if(Var1=="play"&Enter==1){entity():soundPlay(3,0,Var2)}

So Basically, When I Press Enter and the screens first word is play, It will try to play the sound after it.



-JG

This is pretty usefull, thanks julio.

:D Thanks for complimenting, But Dmitry, if you hadn't helped me a while back, I wouldn't be coding today

(11-14-2009 02:20 AM)JulioGarcia Wrote:  A+= 1 | It Adds 1 to A

I have been looking for this

Well Your certainly welcome :D

In these tutorial there are so many tutorials are there with having advance facilities it is really nice. These all expression are so useful for every one.