7 replies to this topic

[Smiles the Death Bringer]

Does anyone have a script for something like the final boss of OoT where you toss the energy ball thing back and forth

[Daemon]

I wrote one a while back, it worked pretty well last time I checked. What do you want the script to do specifically? Do you want sound effects when you hit it, or when the energy ball hits the boss? Warping after the boss is hit, choosing for the energy ball to travel horizontally or vertically?

Just trying to get an idea of what you want. My script works, but there could be some tweaks it doesn't have.

[Smiles the Death Bringer]

I want it to shoot out of an object you hit it with the sword then it goes back and hits the object and deactivates it

[lucas92]

CODE

import "std.zh"

//Energy ball ID
const int EW_ENERGYBALL = EW_SCRIPT1;
const int LW_ENERGYBALL = LW_SCRIPT1;

//Energy ball collision detection
const int ENERGY_BALL_SIZE = 16;

//Graphics data
const int ENERGYBALL_ORIGINALTILE = 0;
const int ENERYBALL_NUMFRAMES = 4;
const int ENERGYBALL_CSET = 6;
const int ENERGYBALL_ASPEED = 5;

float InvertAngle(float radians)
{
    radians -= PI;
    radians = WrapAngle(radians);
    return radians;
}
eweapon Create_EnergyBall(int x1,int y1,int x2,int y2,float step)
{
    eweapon ball = CreateEWeaponAt(EW_ENERGYBALL,x1,y1);
    
    //setting its direction
    ball->Angular = true;
    ball->Angle = RadianAngle(x1,y1,x2,y2);
    
    //setting its speed
    ball->Step = step;
    
    //setting its hitbox
    ball->HitWidth = ENERGY_BALL_SIZE;
    ball->HitHeight = ball->HitWidth;
    
    //Setting the graphics
    ball->TileWidth = 1;
    ball->TileHeight = 1;
    ball->ASpeed = ENERGYBALL_ASPEED;
    ball->OriginalCSet = ENERGYBALL_CSET;
    ball->NumFrames = ENERGYBALL_NUMFRAMES;
    ball->OriginalTile = ENERGYBALL_ORIGINALTILE;
    
    //return the ball
    return ball;
}
//check if the ball touch a sword weapon, then invert the enemy weapon to a link weapon if it's the case
lweapon Invert_EnergyBall(eweapon ewep, int x2, int y2, float step)
{
    //Checking if a sword collide with the ball
    bool collide = false;
    for(int i = 1; i <= Screen->GetNumLWeapons();i++)
    {
        lweapon sword = Screen->LoadLWeapon(i);
        if(sword->ID == LW_SWORD && Collision(sword,ewep))
        {
            collide = true;
            break;
        }
    }
    
    //the ball variable
    lweapon ball;
    
    //if the sword collision was effective, it makes the eweapon not valid and creates a new lweapon
    //its direction will be inverted from the eweapon's direction
    if(collide)
    {
        ball = CreateLWeaponAt(LW_ENERGYBALL,ewep->X,ewep->Y);
        
        //Setting the collision rectangle
        ball->HitWidth = ewep->HitWidth;
        ball->HitHeight = ewep->HitHeight;
        
        //Setting the graphics
        ball->TileWidth = 1;
        ball->TileHeight = 1;
        ball->OriginalTile = ewep->OriginalTile;
        ball->OriginalCSet = ewep->OriginalCSet;
        ball->NumFrames = ewep->NumFrames;
        ball->ASpeed = ewep->ASpeed;
        
        //Setting the movement
        ball->Step = step;
        ball->Angle = ewep->Angle;
        
                //killing the eweapon
                ewep->DeadState = WDS_DEAD;

        //Inverting the angle
        ball->Angle = InvertAngle(ball->Angle);
        
        //returning a valid lweapon pointer
        return ball;
    }
    
    //else it return a lweapon that is not valid. check for the value of lweapon->isValid() and do not delete the eweapon
    else
    {
        //making sure that the lweapon is not valid
        ball = CreateLWeaponAt(LW_ENERGYBALL,500,500);
        ball->DeadState = WDS_DEAD;
        
        //returns an invalid lweapon pointer
        return ball;
    }
}

//Simple example on how to use it
//
//The first enemy in the enemy list trow one ball and once it died it recreate an another one and so on
//
ffc script npc_trowBall
{
    void run()
    {
        //The energy ball variable
        eweapon energy_ball;
        
        //The npc variable
        npc enemy = ScreenLoadNPC(1);
        while(true)
        {
            if( NumLWeaponOf(LW_ENERGYBALL)== 0 && NumEWeaponOf(EW_ENERGYBALL) == 0 )
                energy_ball = Create_EnergyBall(enemy->X,enemy->Y,Link->X,Link->Y,300);
            
            //Checking for energy balls
            for(int i = 1; i <= Screen->NumEWeapons();i++)
            {
                eweapon ewep = Screen->LoadEWeapon(i);
                if(ewep->ID == EW_ENERGYBALL)
                {
                    lweapon new = Invert_EnergyBall(ewep,enemy->X,enemy->Y,300);
                }
            }
            Waitframe();
        }
    }
}

The code include an exemple on how to use it. Didn't test it, I will do later.
If you want the enemy to knock back the energy ball, just ask.

Edited by lucas92, 29 July 2010 - 06:06 PM.

[Smiles the Death Bringer]

umm what enemy and/or object throws this (I'm new to scripts) also thanks

[lucas92]

It can be any object or enemy. For example, a wall shooting the energy ball:

CODE

//D0-D1 : The ball spawning location

ffc script wall_trowball
{
    void run(int x,int y)
    {
        //the eweapon pointer
        eweapon ewep;
        
        //the lweapon pointer
        lweapon lwep;
        
        while(true)
        {
            //If there's no Energy ball
            if(NumLWeaponsOf(LW_ENERGYBALL) == 0 && NumEWeaponsOf(EW_ENERGYBALL) == 0 )
            {
                //Then creates a energy ball that will track Link
                ewep = Create_EnergyBall(x,y,Link->X,Link->Y,300);
            }
            
            //converting to lweapon, it will not return a valid one if it hasn't touch Link's sword
            //if valid, it will track where it has been shot from
            //This has to be called for every frame
            lwep = Invert_EnergyBall(ewep,x,y,300);
            
            // necessary or else it will cause the program to freeze
            Waitframe();
        }
    }
}

Make sure to include the previous code to make this work. btw, all the constants are meant to be changed, based on the tileset you're using and your preferences.

ps. This is some complex scripting I'm doing here so this might be normal to not understand the previous code and this one...
If you're new to scripting, you should go learn it here, otherwise you will get confused with my code:
http://www.purezc.co...showtopic=38176

Edited by lucas92, 29 July 2010 - 06:05 PM.

[Smiles the Death Bringer]

Well I'm a fast learner so I think I know what constants to change w/o the walkthrough thx

Ok do I use both the scripts separately or together

Well I kept testing it in different ways and none of them work

Edited by Ovasity, 01 October 2010 - 09:18 AM.

[MoscowModder]

The main part of the first script (up to the one labeled FFC script ___) is required for everything. The rest is just a customized FFC or two. Make your script with the functions of the first script and the FFC of whatever you choose.