tips.py

from global_items import handle, bodies, evolution_status, window
from math import dist
from config import *
from tkinter import GROOVE, LEFT, NE, NW, SE, SW, Label
from time import time

import global_items

def show_tip(tip: str):
    '''Setting the text of the area of tips to tip.'''
    global_items.tip_text.set(tip)

def show_evolution_number():
    '''Updating the tip with the number of the current evolution.'''
    show_tip(f'The number of the evolution is {global_items.evolution_number}.')

def show_tip_for_body(body: object):
    '''Display a tip according to the shape of body.'''
    match body.shape:
        case global_items.CIRCLE:
            tip = 'Click the body the species of which you think will turn out to survive the evolution.\nThe body you select will become a triangle.'
        case global_items.TRIANGLE:
            tip = 'Click this body to turn it back into a circle and cancel your guess.'
        case global_items.SQUARE:
            tip = 'Click this body to turn it into a rhombus. This rhombus means that\nboth AI and you think the species of this body will survive the evolution.'
        case global_items.RHOMBUS:
            tip = 'Click this body to turn it back into a square and cancel\nyour guess.'
    show_tip(tip)

def mouse_clicked_on_body(body: object):
    '''Altering the text of the tip instantaneously.'''
    global selected_body
    if selected_body is not None:
        show_tip_for_body(body)

def erase_information():
    global information
    try:
        information.destroy()
    except NameError:
        return

GAP = 3
DELAY = 0.3

def mouse_over():
    # Finding the coordinates of the mouse
    canvas_mouse_x = global_items.canvas.winfo_pointerx() - global_items.canvas.winfo_rootx()
    canvas_mouse_y = global_items.canvas.winfo_pointery() - global_items.canvas.winfo_rooty()
    for body in bodies:
        if dist((canvas_mouse_x, canvas_mouse_y),
                (body.x+CANVAS_BORDER, body.y+CANVAS_BORDER)) <= HALF_BODY_SIZE*1.2:
            return body
    return None

def prepare_info_handle():
    global previous_hovered_body, hovered_start, selected_body, body_info_shown_for, previous_window_command
    previous_hovered_body = None
    selected_body = None
    body_info_shown_for = None
    hovered_start = float('-inf')
    previous_window_command = None

def select_body():
    global previous_hovered_body, hovered_start, selected_body
    hovered_over = mouse_over()
    if hovered_over is None:
        previous_hovered_body = None
        selected_body = None
    else:
        if hovered_over is previous_hovered_body:
            if time() >= hovered_start + DELAY:
                selected_body = hovered_over
        else:
            previous_hovered_body = hovered_over
            hovered_start = time()
            selected_body = None

def info_handle():
    '''Handling the mouse hovering upon bodies and displaying all of the needed info.'''
    global selected_body, body_info_shown_for
    select_body()
    show_tips()
    global_items.canvas.update()
    if selected_body is None:
        body_info_shown_for = None
        erase_information()
        return
    if body_info_shown_for is selected_body:
        return
    body_info_shown_for = selected_body   
    show_info()

def show_tips():
    global selected_body
    if evolution_status.description == ON_PAUSE:
       return
    if selected_body is None:
        show_tip('Place your cursor on a body.\nYou can click the body the species of which you think will survive the evolution.')
    else:
        show_tip_for_body(selected_body)

def show_info():
    global selected_body, information
    # Making some corrections to the x and the y of the information window because clicks on the body are considered clicks on the window whenever it overlaps the body, therefore the clicks are not registered
    if selected_body.x >= HALF_EVOLUTION_FIELD_SIZE['width'] and selected_body.y >= HALF_EVOLUTION_FIELD_SIZE['height']:
        corner, dx, dy = SE, 0, 0
    elif selected_body.x < HALF_EVOLUTION_FIELD_SIZE['width'] and selected_body.y > HALF_EVOLUTION_FIELD_SIZE['height']:
        corner, dx, dy = SW, HALF_BODY_SIZE, 0
    elif selected_body.x <= HALF_EVOLUTION_FIELD_SIZE['width'] and selected_body.y <= HALF_EVOLUTION_FIELD_SIZE['height']:
        corner, dx, dy = NW, HALF_BODY_SIZE, HALF_BODY_SIZE
    else:
        corner, dx, dy = NE, 0, HALF_BODY_SIZE
    
    information_tuple = (
        f"Energy: {round(selected_body.energy)}",
        f"Speed: {round(selected_body.speed*RATIO)}",
        f"Vision distance: {round(selected_body.vision_distance)}",
        f"Procreation threshold: {round(selected_body.procreation_threshold)}",
        f"Food preference: {selected_body.food_preference}",
        f"Generation number: {selected_body.generation_n}",
        f"Amount of bodies with this species: {len([body_ for body_ in global_items.bodies if body_.species == selected_body.species])}"
    )

    # Creating the information box
    information = Label(
        master=window,
        text='\n'.join(information_tuple), 
        padx=3, pady=3,
        justify=LEFT,
        relief=GROOVE,
        bg='white'
    )

    information.place(
        x=selected_body.x + dx,
        y=selected_body.y + dy,
        anchor=corner
    )