scores.py

'''
Things about scores.
'''
import time
import pygame
import sysfiles

def safe(b):
    return 0 if b < 0 else (255 if b > 255 else b)

class ScoreEvent:
    texts = [
        "无事发生",
        "消除{}行",
        "合成{}",
        "{}行救场", # Clear lines when there is block at very top
        "清理大师" # Leave <=1 row behind
    ]
    MaxTime = 20.0
    font = pygame.font.Font(sysfiles.hanFont(), 36)

    def __init__(self, message, value, param):
        self.message = message
        self.value = value
        self.param = param
        self.timeout = ScoreEvent.MaxTime + time.time()
    
    def getText(self):
        return ScoreEvent.texts[self.message].format(self.param) + ' +' + str(self.value)
    def __str__(self):
        return self.getText()
    
    def getMult(self):
        return (self.timeout - time.time()) / ScoreEvent.MaxTime * 0.5 + 0.5
    def getColor(self):
        return (safe(int(255 * self.getMult())), safe(int(255 * self.getMult() ** 2)), 0)
    
    def draw(self, DISP, pos): # pos = 0, 1, ..., maxEvents
        btext = ScoreEvent.font.render(self.getText(), True, self.getColor())
        btextrect = btext.get_rect()
        btextrect.topleft = (750, 350 + 40 * pos)
        DISP.blit(btext, btextrect)

class ScoreBoard:
    maxEvents = 10

    def __init__(self):
        self.events = []
    def clear(self):
        self.events = []
    
    def draw(self, DISP):
        for idx, x in enumerate(self.events):
            x.draw(DISP, idx)
    
    def addEvent(self, message, value, param):
        self.events.append(ScoreEvent(message, value, param))
        if len(self.events) > self.maxEvents:
            self.events.pop(0)
    
    def refresh(self):
        self.events = [x for x in self.events if x.timeout > time.time()]