EWM_FALL and EWM_THROW Sideview

bool OnSidePlatform(int x, int y, int xOff, int yOff, int h, int w) {
	for(int i =0;i<=w-1;i++){
		if(Screen->isSolid((x+xOff+i),(y+yOff)+h)
		    && Screen->Flags[SF_ROOMTYPE]&4)
			return true;
	}
	return false;
}

void __UpdateEWMThrow(eweapon wpn)
{
    // __EWI_WORK: Current jump
    // __EWI_WORK_2: Current Z position
    // __EWI_MOVEMENT_ARG: Initial jump
    // __EWI_MOVEMENT_ARG_2: Flags

    wpn->Jump=0; // Override engine handling of Z movement

    // Just thrown
    if(wpn->Misc[__EWI_WORK]==0 && wpn->Misc[__EWI_MOVEMENT_ARG]!=0)
    {
        wpn->Misc[__EWI_WORK]=wpn->Misc[__EWI_MOVEMENT_ARG];
        wpn->Misc[__EWI_MOVEMENT_ARG]=0;
    }

    // Fall
    wpn->Misc[__EWI_WORK_2]=Max(wpn->Misc[__EWI_WORK_2]+wpn->Misc[__EWI_WORK], 0);
    if(!IsSideview())
		wpn->Z=wpn->Misc[__EWI_WORK_2];
    else
		wpn->Y = 176-wpn->Misc[__EWI_WORK_2];

    // Hit the ground
    // Still in the air; adjust velocity
    if(wpn->Misc[__EWI_WORK_2]>0 &&
		!OnSidePlatform(wpn->X, wpn->Y,
							wpn->HitXOffset,
							wpn->HitYOffset,
							wpn->HitHeight,wpn->HitWidth)) // Z>0
        wpn->Misc[__EWI_WORK]=Max(wpn->Misc[__EWI_WORK]-GH_GRAVITY, -GH_TERMINAL_VELOCITY);

    // Hit the ground
    else
    {
        bool done=false;

        // Bounce
        if((wpn->Misc[__EWI_MOVEMENT_ARG_2]&EWMF_BOUNCE)!=0)
        {
            // Falling fast enough?
            if(wpn->Misc[__EWI_WORK]<-0.5) // Jump<=-0.5
            {
                wpn->Misc[__EWI_WORK]*=-0.5;
                wpn->Step*=0.75;
            }
            // Not fast enough
            else
                done=true;
        }
        // Don't bounce
        else
            done=true;

        // Movement ended; stop or die?
        if(done)
        {
            if((wpn->Misc[__EWI_MOVEMENT_ARG_2]&EWMF_DIE)!=0)
            {
                wpn->Z=0;
                KillEWeapon(wpn);
            }
            else
            {
                wpn->Misc[__EWI_MOVEMENT]=0;
                wpn->Step=0;
            }
        }
    }
}

void __UpdateEWMFall(eweapon wpn)
{
    wpn->Jump=0; // Override engine handling of Z movement
    wpn->Misc[__EWI_WORK_2]-=wpn->Misc[__EWI_WORK];
	if(!IsSideview())
		wpn->Z=wpn->Misc[__EWI_WORK_2];
	else{
		wpn->HitYOffset= wpn->Misc[__EWI_WORK_2];
		wpn->DrawYOffset=wpn->Misc[__EWI_WORK_2];
	}

    wpn->Misc[__EWI_WORK]=Min(wpn->Misc[__EWI_WORK]+GH_GRAVITY, GH_TERMINAL_VELOCITY);

    // Hit the ground?
    if(wpn->Misc[__EWI_WORK_2]<=0
		&& !OnSidePlatform(wpn->X, wpn->Y,
							wpn->HitXOffset,
							wpn->HitYOffset,
							wpn->HitHeight)){
        bool done=false;

        // Bounce
        if((wpn->Misc[__EWI_MOVEMENT_ARG_2]&EWMF_BOUNCE)!=0)
        {
            // Falling fast enough?
            if(wpn->Misc[__EWI_WORK]<-0.5) // Jump<=-0.5
            {
                wpn->Misc[__EWI_WORK]*=-0.5;
                wpn->Step*=0.75;
            }
            // Not fast enough
            else
                done=true;
        }
        // Don't bounce
        else
            done=true;

        // Movement ended; stop or die?
        if(done)
        {
            if((wpn->Misc[__EWI_MOVEMENT_ARG_2]&EWMF_DIE)!=0)
            {
                wpn->Z=0;
                KillEWeapon(wpn);
            }
            else
            {
                wpn->Misc[__EWI_MOVEMENT]=0;
                wpn->Step=0;
            }
        }
    }
}