asdfas.c

// ZScript
    override bool InputProcess(InputEvent e)
    {
        if (e.type == InputEvent.Type_Mouse)
            return CallACS("P_CL_Mouse",    consoleplayer, e.mousex, -e.mousey);
        else if (e.type == InputEvent.Type_KeyDown)
            return CallACS("P_CL_KeyPress", consoleplayer, e.keyscan, true);
        else if (e.type == InputEvent.Type_KeyUp)
            return CallACS("P_CL_KeyPress", consoleplayer, e.keyscan, false);
        else
            return false;
    }

// C
void G_Mouse(gui_state_t *g, int relx, int rely)
{
    g->cx += relx * 0.5;
    g->cy += rely * 1.8;

    g->cx = M_MinMax(g->cx, 0, g->w);
    g->cy = M_MinMax(g->cy, 0, g->h);
}

script_extern bool P_CL_Mouse(int pid, int relx, int rely)
{
    player_t *p = &Player[pid];
    
    if (p->gui.focus)
    {
        G_Mouse(&p->gui, relx, rely);
        return true;
    }
    
    return false;
}