nizika_broadcast/test.py

from __future__ import annotations

import math
import sys
from datetime import datetime, timedelta
from enum import Enum, auto
from typing import Callable, TypedDict

import cv2
import pygame
from cv2 import VideoCapture
from ephem import Moon, Observer, Sun  # type: ignore
from pygame import Rect, Surface
from pygame.font import Font
from pygame.mixer import Sound
from pygame.time import Clock

from common_module import CommonModule

pygame.init ()

FPS = 30

SYSTEM_FONT = pygame.font.SysFont ('notosanscjkjp', 24, bold = True)
USER_FONT = pygame.font.SysFont ('notosanscjkjp', 32, italic = True)
DEERJIKA_FONT = pygame.font.SysFont ('07nikumarufont', 50)


def main (
) -> None:
    game = Game ()
    bg = Bg (game)
    KitaSun (game)
    deerjika = Deerjika (game, DeerjikaPattern.RELAXED,
                         x = CWindow.WIDTH * 3 / 4, y = CWindow.HEIGHT - 120)
    balloon = Balloon (game)
    CurrentTime (game, SYSTEM_FONT)
    try:
        Sound ('assets/bgm.mp3').play (loops = -1)
    except Exception:
        pass
    while True:
        for event in pygame.event.get ():
            if event.type == pygame.QUIT:
                pygame.quit ()
                sys.exit ()
        game.redraw ()


class DeerjikaPattern (Enum):
    """
    ニジカの状態

    Members:
        NORMAL:     通常
        RELAXED:    足パタパタ
        SLEEPING:   寝ニジカ
    """

    NORMAL      = auto ()
    RELAXED     = auto ()
    SLEEPING    = auto ()


class Direction (Enum):
    """
    クリーチャの向き

    Members:
        LEFT:   左向き
        RIGHT:  右向き
    """

    LEFT    = auto ()
    RIGHT   = auto ()


class Game:
    """
    ゲーム・クラス

    Attributes:
        clock (Clock):              Clock オブゼクト
        frame (int):                フレーム・カウンタ
        redrawers (list[Redrawer]): 再描画するクラスのリスト
        screen (Surface):           基底スクリーン
    """

    clock:      Clock
    frame:      int
    redrawers:  list[Redrawer]
    screen:     Surface
    sky:        Sky

    def __init__ (
            self,
    ):
        self.screen = pygame.display.set_mode ((CWindow.WIDTH, CWindow.HEIGHT))
        self.clock = Clock ()
        self.frame = 0
        self.redrawers = []
        self._create_sky ()

    def redraw (
            self,
    ) -> None:
        for redrawer in sorted (self.redrawers, key = lambda x: x['layer']):
            if redrawer['obj'].enabled:
                redrawer['obj'].redraw ()
        pygame.display.update ()
        self.clock.tick (FPS)


    def _create_sky (
            self,
    ) -> None:
        self.sky = Sky ()
        self.sky.observer = Observer ()
        self.sky.observer.lat = '35'
        self.sky.observer.lon = '139'


class GameObject:
    """
    各ゲーム・オブゼクトの基底クラス

    Attributes:
        arg (float):    回転角度 (rad)
        ax (float):     X 軸に対する加速度 (px/frame^2)
        ay (float):     y 軸に対する加速度 (px/frame^2)
        enabled (bool): オブゼクトの表示可否
        frame (int):    フレーム・カウンタ
        game (Game):    ゲーム基盤
        height (int):   高さ (px)
        vx (float):     x 軸に対する速度 (px/frame)
        vy (float):     y 軸に対する速度 (px/frame)
        width (int):    幅 (px)
        x (float):      X 座標 (px)
        y (float):      Y 座標 (px)
    """

    arg:        float   = 0
    ax:         float   = 0
    ay:         float   = 0
    enabled:    bool    = True
    frame:      int
    game:       Game
    height:     int
    vx:         float   = 0
    vy:         float   = 0
    width:      int
    x:          float
    y:          float

    def __init__ (
            self,
            game:       Game,
            layer:      int | None  = None,
            enabled:    bool        = True,
            x:          float       = 0,
            y:          float       = 0,
    ):
        self.game = game
        self.enabled = enabled
        self.frame = 0
        if layer is None:
            if self.game.redrawers:
                layer = max (r['layer'] for r in self.game.redrawers) + 10
            else:
                layer = 0
        self.game.redrawers.append ({ 'layer': layer, 'obj': self })
        self.x = x
        self.y = y

    def redraw (
            self,
    ) -> None:
        self.x += self.vx
        self.y += self.vy
        self.vx += self.ax
        self.vy += self.ay
        self.frame += 1


class Bg (GameObject):
    """
    背景

    Attributes:
        surface (Surface):  背景 Surface
    """

    surface:    Surface

    def __init__ (
            self,
            game:   Game,
    ):
        super ().__init__ (game)
        self.surface = pygame.image.load ('assets/bg.jpg')
        self.surface = pygame.transform.scale (self.surface, (CWindow.WIDTH, CWindow.HEIGHT))

    def redraw (
            self,
    ) -> None:
        self.game.screen.blit (self.surface, (self.x, self.y))
        super ().redraw ()


class Deerjika (GameObject):
    """
    伊地知ニジカ

    Attributes:
        height (int):               高さ (px)
        scale (float):              拡大率
        surfaces (list[Surface]):   ニジカの各フレームを Surface にしたリスト
        width (int):                幅 (px)
    """

    height:     int
    scale:      float           = .8
    surfaces:   list[Surface]
    width:      int

    def __init__ (
            self,
            game:       Game,
            pattern:    DeerjikaPattern = DeerjikaPattern.NORMAL,
            direction:  Direction       = Direction.LEFT,
            layer:      int | None      = None,
            x:          float           = 0,
            y:          float           = 0,
    ):
        super ().__init__ (game, layer, x = x, y = y)
        self.pattern = pattern
        self.direction = direction
        match pattern:
            case DeerjikaPattern.NORMAL:
                ...
            case DeerjikaPattern.RELAXED:
                match direction:
                    case Direction.LEFT:
                        self.width = 1280
                        self.height = 720
                        surface = pygame.image.load ('assets/deerjika_relax_left.png')
                        self.surfaces = []
                        for x in range (0, surface.get_width (), self.width):
                            self.surfaces.append (
                                    surface.subsurface (x, 0, self.width, self.height))
                    case Direction.RIGHT:
                        ...

    def redraw (
            self,
    ) -> None:
        surface = pygame.transform.scale (self.surfaces[self.frame % len (self.surfaces)],
                                          (self.width * self.scale, self.height * self.scale))
        self.game.screen.blit (surface, surface.get_rect (center = (self.x, self.y)))
        super ().redraw ()


class CurrentTime (GameObject):
    """
    現在日時表示

    Attributes:
        font (Font):    フォント
    """

    font:   Font

    def __init__ (
            self,
            game:   Game,
            font:   Font,
    ):
        super ().__init__ (game)
        self.font = font

    def redraw (
            self,
    ) -> None:
        for i in range (4):
            self.game.screen.blit (
                    self.font.render (str (datetime.now ()), True, (0, 0, 0)),
                    (i % 2, i // 2 * 2))
        super ().redraw ()


class Balloon (GameObject):
    """
    吹出し

    Attributes:
        answer (str):           回答テキスト
        image_url (str, None):  画像 URL
        length (int):           表示する時間 (frame)
        query (str):            質問テキスト
        surface (Surface):      吹出し Surface
        x_flip (bool):          左右反転フラグ
        y_flip (bool):          上下反転フラグ
    """

    answer:     str         = ''
    image_url:  str | None  = None
    length:     int         = 300
    query:      str         = ''
    surface:    Surface
    x_flip:     bool        = False
    y_flip:     bool        = False

    def __init__ (
            self,
            game:   Game,
            x_flip: bool    = False,
            y_flip: bool    = False,
    ):
        super ().__init__ (game, enabled = False)
        self.x_flip = x_flip
        self.y_flip = y_flip
        self.surface = pygame.transform.scale (pygame.image.load ('assets/balloon.png'),
                                               (CWindow.WIDTH, CWindow.HEIGHT / 2))
        self.surface = pygame.transform.flip (self.surface, self.x_flip, self.y_flip)

    def redraw (
            self,
    ) -> None:
        if self.frame >= self.length:
            self.enabled = False
            return
        query = self.query
        if CommonModule.len_by_full (query) > 21:
            query = CommonModule.mid_by_full (query, 0, 19.5) + '...'
        answer = Surface ((800, ((CommonModule.len_by_full (self.answer) - 1) // 16 + 1) * 50),
                          pygame.SRCALPHA)
        for i in range (int (CommonModule.len_by_full (self.answer) - 1) // 16 + 1):
            answer.blit (DEERJIKA_FONT.render (
                             CommonModule.mid_by_full (self.answer, 16 * i, 16), True, (192, 0, 0)),
                         (0, 50 * i))
        surface = self.surface.copy ()
        surface.blit (USER_FONT.render ('>' + query, True, (0, 0, 0)), (120, 70))
        y:  int
        if self.frame < 30:
            y = 0
        elif self.frame >= self.length - 90:
            y = answer.get_height () - 100
        else:
            y = int ((answer.get_height () - 100) * (self.frame - 30) / (self.length - 120))
        surface.blit (answer, (100, 150), Rect (0, y, 800, 100))
        self.game.screen.blit (surface, (0, 0))
        super ().redraw ()

    def talk (
            self,
            query:      str,
            answer:     str,
            image_url:  str | None  = None,
            length:     int         = 300,
    ) -> None:
        self.query = query
        self.answer = answer
        self.image_url = image_url
        self.length = length
        self.frame = 0
        self.enabled = True


class KitaSun (GameObject):
    """
    き太く陽

    Attributes:
        sun (Sun):          ephem の太陽オブゼクト
        surface (Surface):  き太く陽 Surface
    """

    alt:        float
    az:         float
    sun:        Sun
    surface:    Surface

    def __init__ (
            self,
            game:   Game,
    ):
        super ().__init__ (game)
        self.surface = pygame.transform.scale (pygame.image.load ('assets/sun.png'), (200, 200))
        self.sun = Sun ()

    def redraw (
            self,
    ) -> None:
        surface = pygame.transform.rotate (self.surface, -(90 + math.degrees (self.arg)))
        self.game.screen.blit (surface, surface.get_rect (center = (self.x, self.y)))
        super ().redraw ()
        self.game.sky.observer.date = datetime.now () - timedelta (hours = 9)
        self.sun.compute (self.game.sky.observer)
        self.alt = self.sun.alt
        self.az = self.sun.az
        if abs (self.new_arg - self.arg) > math.radians (15):
            self.arg = self.new_arg
        self.x = self.new_x
        self.y = self.new_y

    @property
    def new_x (
            self,
    ) -> float:
        return CWindow.WIDTH * (math.degrees (self.az) - 80) / 120

    @property
    def new_y (
            self,
    ) -> float:
        return ((CWindow.HEIGHT / 2)
                - ((CWindow.HEIGHT / 2 + 100) * math.sin (self.alt)
                   / math.sin (math.radians (60))))

    @property
    def new_arg (
            self,
    ) -> float:
        return math.atan2 (self.new_y - self.y, self.new_x - self.x)


class Jojoko (GameObject):
    """
    大月ヨヨコ

    Attributes:
        phase (float):  月齢
    """

    phase:  float

    def __init__ (
            self,
    ):
        ...

    def redraw (
            self,
    ) -> None:
        ...


class Sky:
    """
    天体に関する情報を保持するクラス

    Attributes:
        observer (Observer):    観測値
    """

    observer:   Observer


class CWindow:
    """
    ウィンドゥに関する定数クラス

    Attributes:
        WIDTH (int):    ウィンドゥ幅
        HEIGHT (int):   ウィンドゥ高さ
    """

    WIDTH   = 1024
    HEIGHT  =  768


class Redrawer (TypedDict):
    """
    再描画処理を行ふゲーム・オブゼクトとその優先順位のペア

    Attributes:
        layer (int):        レイア
        obj (GameObject):   ゲーム・オブゼクト
    """

    layer:  int
    obj:    GameObject


def get_surfaces_from_video (
        video_path: str,
) -> list[Surface]:
    cap = VideoCapture (video_path)
    if not cap.isOpened ():
        return []

    fps = cap.get (cv2.CAP_PROP_FPS)

    surfaces: list[Surface] = []
    while cap.isOpened ():
        (ret, frame) = cap.read ()
        if not ret:
            break
        frame = cv2.cvtColor (frame, cv2.COLOR_BGR2RGB)
        frame_surface = pygame.surfarray.make_surface (frame)
        frame_surface = pygame.transform.rotate (frame_surface, -90)
        surfaces.append (pygame.transform.flip (frame_surface, True, False))

    cap.release ()

    return surfaces


if __name__ == '__main__':
    main ()