Scrolling Code Module 3

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \\
// Coolgamers Z3 Scrolling, Version 2 Update/Itteration 4 Module 3. \\
// Module 3:                                                        \\
// Custom weapons.                                                  \\
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \\

// ~ Misc Constants ~
const int SCRL_LW_DEADSTATE_DEAD = 0; // Removes the weapon.
const int SCRL_LW_DEADSTATE_ALIVE = -1; // Weapon isn't removed over time.

// ~ ->Misc[] indices ~
const int MISC_LW_DEADSTATE = 0; // Custom deadstate, basically.
const int MISC_LW_NORMAL_FLAGS = 1; // Stores a set of flags that change the behavior of the weapon.
const int MISC_LW_SCRIPT_FLAGS = 2; // Stores a set of flags that change the behavior of the weapon on a more technical level.
const int MISC_LW_SPAWN_X = 3; // The X position that the weapon was spawned at.
const int MISC_LW_SPAWN_Y = 4; // The Y position that the weapon was spawned at.

// ~ Scripted Weapon Types (sword, spear, boomerang, etc) ~
// Put these in D0 in the item editor, before the decimal point.
const int SCRL_LW_NONE = 41; // No built in use currently.
const int SCRL_LW_TESTWEP = 42;

// ~ Scripted Weapon Flags ~
// Script-related flags; You probably don't want to mess with these too much. Probably.
// The sum of all the flags you want to use is the number to put in D1, before the decimal point.

// WARNING: The functionality of these hasn't been implimented (or completely) yet, they also may be changed in the future.
const int SCRL_WEP_FLAG_HURTSLINK = 00000000001b; // Hurts Link
const int SCRL_WEP_FLAG_HURTSENEMY = 00000000010b; // Hurts Enemies
const int SCRL_WEP_FLAG_DESTROYED_ON_LINK = 00000000100b; // Destroys the weapon when it hits Link
const int SCRL_WEP_FLAG_DESTROYED_ON_ENEMY = 00000001000b; // Destroys the weapon when it hits an Enemy
const int SCRL_WEP_FLAG_DESTROYED_ON_SOLID_COMBO = 00000010000b; // Destroys the weapon when it hits any solidity in a combo.
const int SCRL_WEP_FLAG_OBEY_SIDEVIEW_GRAVITY = 00000100000b; // If the weapons Z pos decreases when > 0 in normal screens.
const int SCRL_WEP_FLAG_OBEY_Z_GRAVITY = 00001000000b; // If the weapons Y pos decreases when > 0 in sideview screens.
const int SCRL_WEP_FLAG_TRANSPARENT = 00010000000b; // If the weapon is Transparent.
const int SCRL_WEP_FLAG_INVISIBLE = 00100000000b; // If the weapon is Invisible.
const int SCRL_WEP_FLAG_CAN_BE_REFLECTED = 01000000000b; // If the weapon can be reflected by mirrors/shields/etc
const int SCRL_WEP_FLAG_PICKUPITEMS = 10000000000b; // If the weapon will pickup items;
// A flag on the items themselves will choose if they're instantly collected or pulled with the weapon.


// ~ Functions ~


lweapon CreateCustomWeapon(int wepType, int wepFlags, int scriptWepFlags, int wepSprite, int wepDeadState, int x, int y)
{
    lweapon lwep = CreateLWeaponAt(wepType, 120, 80);

    lwep->HitXOffset = (x - 120);
    lwep->HitYOffset = (y - 80);
    lwep->DrawXOffset = lwep->HitXOffset;
    lwep->DrawYOffset = lwep->HitYOffset;

    lwep->Misc[MISC_LW_DEADSTATE] = wepDeadState;
    lwep->Misc[MISC_LW_NORMAL_FLAGS] = wepFlags;
    lwep->Misc[MISC_LW_SCRIPT_FLAGS] = scriptWepFlags;

    lwep->Misc[MISC_LW_SPAWN_X] = x;
    lwep->Misc[MISC_LW_SPAWN_Y] = y;

    lwep->UseSprite(wepSprite);

    lwep->CollDetection = false;

    return lwep;
}

void HandleCustomWeapons()
{
    for(int i = 1; i <= Screen->NumLWeapons(); i += 1)
    {
        lweapon lwep = Screen->LoadLWeapon(i);

        if(lwep->ID == SCRL_LW_TESTWEP)
        {
            lwep->DeadState = WDS_ALIVE;

            if(lwep->Misc[MISC_LW_DEADSTATE] == SCRL_LW_DEADSTATE_DEAD)
            {
                Remove(lwep);
            }
            else
            {
                lwep->Misc[MISC_LW_DEADSTATE] -= 1;
            }
        }
    }
}