- plant_frozen_time_list[0] 是太阳花的冷却时间。
植物卡片类
每个植物卡片是一个单独的Card类，用来显示这个植物。
-
checkMouseClick函数：判断鼠标是否点击到这个卡片；
-
canClick：判断这个卡片是否能种植（有没有足够的点数，是否还在冷却时间内）；
-
update 函数：通过设置图片的透明度来表示这个卡片是否能选择。
卡片栏类
MenuBar类显示图3中的植物卡片栏：
-
self.sun_value：当前采集的太阳点数；
-
self.card_list: 植物卡片的list；
-
setupCards函数：遍历初始化__init__函数中传入这个关卡选好的植物卡片list，依次创建Card类，设置每个卡片的显示位置；
-
checkCardClick函数：检查鼠标是否点击了卡片栏上的某个植物卡片，如果选择了一个可种植的卡片，返回结果。
代码：
import pygame as pg
from … import tool
from … import constants as c
PANEL_Y_START = 87
PANEL_X_START = 22
PANEL_Y_INTERNAL = 74
PANEL_X_INTERNAL = 53
CARD_LIST_NUM = 8
card_name_list = [c.CARD_SUNFLOWER, c.CARD_PEASHOOTER, c.CARD_SNOWPEASHOOTER, c.CARD_WALLNUT,
c.CARD_CHERRYBOMB, c.CARD_THREEPEASHOOTER, c.CARD_REPEATERPEA, c.CARD_CHOMPER,
c.CARD_PUFFSHROOM, c.CARD_POTATOMINE, c.CARD_SQUASH, c.CARD_SPIKEWEED,
c.CARD_JALAPENO, c.CARD_SCAREDYSHROOM, c.CARD_SUNSHROOM, c.CARD_ICESHROOM]
plant_name_list = [c.SUNFLOWER, c.PEASHOOTER, c.SNOWPEASHOOTER, c.WALLNUT,
c.CHERRYBOMB, c.THREEPEASHOOTER, c.REPEATERPEA, c.CHOMPER,
c.PUFFSHROOM, c.POTATOMINE, c.SQUASH, c.SPIKEWEED,
c.JALAPENO, c.SCAREDYSHROOM, c.SUNSHROOM, c.ICESHROOM]
plant_sun_list = [50, 100, 175, 50, 150, 325, 200, 150, 0, 25, 50, 100, 125, 25, 25, 75]
plant_frozen_time_list = [7500, 7500, 7500, 30000, 50000, 7500, 7500, 7500, 7500, 30000,
30000, 7500, 50000, 7500, 7500, 50000]
all_card_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
def getSunValueImage(sun_value):
font = pg.font.SysFont(None, 22)
width = 32
msg_image = font.render(str(sun_value), True, c.NAVYBLUE, c.LIGHTYELLOW)
msg_rect = msg_image.get_rect()
msg_w = msg_rect.width
image = pg.Surface([width, 17])
x = width - msg_w
image.fill(c.LIGHTYELLOW)
image.blit(msg_image, (x, 0), (0, 0, msg_rect.w, msg_rect.h))
image.set_colorkey(c.BLACK)
return image
class Card():
def init(self, x, y, name_index, scale=0.78):
self.loadFrame(card_name_list[name_index], scale)
self.rect = self.orig_image.get_rect()
self.rect.x = x
self.rect.y = y
self.name_index = name_index
self.sun_cost = plant_sun_list[name_index]
self.frozen_time = plant_frozen_time_list[name_index]
self.frozen_timer = -self.frozen_time
self.refresh_timer = 0
self.select = True
def loadFrame(self, name, scale):
frame = tool.GFX[name]
rect = frame.get_rect()
width, height = rect.w, rect.h
self.orig_image = tool.get_image(frame, 0, 0, width, height, c.BLACK, scale)
self.image = self.orig_image
def checkMouseClick(self, mouse_pos):
x, y = mouse_pos
if(x >= self.rect.x and x <= self.rect.right and
y >= self.rect.y and y <= self.rect.bottom):
return True
return False
def canClick(self, sun_value, current_time):
if self.sun_cost <= sun_value and (current_time - self.frozen_timer) > self.frozen_time:
return True
return False
def canSelect(self):
return self.select
def setSelect(self, can_select):
self.select = can_select
if can_select:
self.image.set_alpha(255)
else:
self.image.set_alpha(128)
def setFrozenTime(self, current_time):
self.frozen_timer = current_time
def createShowImage(self, sun_value, current_time):
‘’'create a card image to show cool down status
or disable status when have not enough sun value’‘’
time = current_time - self.frozen_timer
if time < self.frozen_time: #cool down status
image = pg.Surface([self.rect.w, self.rect.h])
frozen_image = self.orig_image.copy()
frozen_image.set_alpha(128)
frozen_height = (self.frozen_time - time)/self.frozen_time * self.rect.h
image.blit(frozen_image, (0,0), (0, 0, self.rect.w, frozen_height))
image.blit(self.orig_image, (0,frozen_height),
(0, frozen_height, self.rect.w, self.rect.h - frozen_height))
elif self.sun_cost > sun_value: #disable status
image = self.orig_image.copy()
image.set_alpha(192)
else:
image = self.orig_image
return image
def update(self, sun_value, current_time):
if (current_time - self.refresh_timer) >= 250:
self.image = self.createShowImage(sun_value, current_time)
self.refresh_timer = current_time
def draw(self, surface):
surface.blit(self.image, self.rect)
class MenuBar():
def init(self, card_list, sun_value):
self.loadFrame(c.MENUBAR_BACKGROUND)
self.rect = self.image.get_rect()
self.rect.x = 10
self.rect.y = 0
self.sun_value = sun_value
self.card_offset_x = 32
self.setupCards(card_list)
def loadFrame(self, name):
frame = tool.GFX[name]
rect = frame.get_rect()
frame_rect = (rect.x, rect.y, rect.w, rect.h)
self.image = tool.get_image(tool.GFX[name], *frame_rect, c.WHITE, 1)
def update(self, current_time):
self.current_time = current_time
for card in self.card_list:
card.update(self.sun_value, self.current_time)
def createImage(self, x, y, num):
if num == 1:
return
img = self.image
rect = self.image.get_rect()
width = rect.w
height = rect.h
self.image = pg.Surface((width * num, height)).convert()
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
for i in range(num):
x = i * width
self.image.blit(img, (x,0))
self.image.set_colorkey(c.BLACK)
def setupCards(self, card_list):
self.card_list = []
x = self.card_offset_x
y = 8
for index in card_list:
x += 55
self.card_list.append(Card(x, y, index))
def checkCardClick(self, mouse_pos):
result = None
for card in self.card_list:
if card.checkMouseClick(mouse_pos):
if card.canClick(self.sun_value, self.current_time):
result = (plant_name_list[card.name_index], card.sun_cost)
break
return result
def checkMenuBarClick(self, mouse_pos):
x, y = mouse_pos
if(x >= self.rect.x and x <= self.rect.right and
y >= self.rect.y and y <= self.rect.bottom):
return True
return False
def decreaseSunValue(self, value):
self.sun_value -= value
def increaseSunValue(self, value):
self.sun_value += value
def setCardFrozenTime(self, plant_name):
for card in self.card_list:
if plant_name_list[card.name_index] == plant_name:
card.setFrozenTime(self.current_time)
break
def drawSunValue(self):
self.value_image = getSunValueImage(self.sun_value)
self.value_rect = self.value_image.get_rect()
self.value_rect.x = 21
self.value_rect.y = self.rect.bottom - 21
self.image.blit(self.value_image, self.value_rect)
def draw(self, surface):
self.drawSunValue()
surface.blit(self.image, self.rect)
for card in self.card_list:
card.draw(surface)
class Panel():
def init(self, card_list, sun_value):
self.loadImages(sun_value)
self.selected_cards = []
self.selected_num = 0
self.setupCards(card_list)
def loadFrame(self, name):
frame = tool.GFX[name]
rect = frame.get_rect()
frame_rect = (rect.x, rect.y, rect.w, rect.h)
return tool.get_image(tool.GFX[name], *frame_rect, c.WHITE, 1)
def loadImages(self, sun_value):
self.menu_image = self.loadFrame(c.MENUBAR_BACKGROUND)
self.menu_rect = self.menu_image.get_rect()
self.menu_rect.x = 0
self.menu_rect.y = 0
self.panel_image = self.loadFrame(c.PANEL_BACKGROUND)
self.panel_rect = self.panel_image.get_rect()
self.panel_rect.x = 0
self.panel_rect.y = PANEL_Y_START
self.value_image = getSunValueImage(sun_value)
self.value_rect = self.value_image.get_rect()
self.value_rect.x = 21
self.value_rect.y = self.menu_rect.bottom - 21
self.button_image = self.loadFrame(c.START_BUTTON)
self.button_rect = self.button_image.get_rect()
self.button_rect.x = 155
self.button_rect.y = 547
def setupCards(self, card_list):
self.card_list = []
x = PANEL_X_START - PANEL_X_INTERNAL
y = PANEL_Y_START + 43 - PANEL_Y_INTERNAL
for i, index in enumerate(card_list):
if i % 8 == 0:
x = PANEL_X_START - PANEL_X_INTERNAL
y += PANEL_Y_INTERNAL
x += PANEL_X_INTERNAL
self.card_list.append(Card(x, y, index, 0.75))
def checkCardClick(self, mouse_pos):
delete_card = None
for card in self.selected_cards:
if delete_card: # when delete a card, move right cards to left
card.rect.x -= 55
elif card.checkMouseClick(mouse_pos):
self.deleteCard(card.name_index)
delete_card = card
if delete_card:
self.selected_cards.remove(delete_card)
self.selected_num -= 1
if self.selected_num == CARD_LIST_NUM:
return
for card in self.card_list:
if card.checkMouseClick(mouse_pos):
if card.canSelect():
self.addCard(card)
break
def addCard(self, card):
card.setSelect(False)
y = 8
x = 78 + self.selected_num * 55
self.selected_cards.append(Card(x, y, card.name_index))
self.selected_num += 1
def deleteCard(self, index):
self.card_list[index].setSelect(True)
def checkStartButtonClick(self, mouse_pos):
if self.selected_num < CARD_LIST_NUM:
return False
x, y = mouse_pos
if (x >= self.button_rect.x and x <= self.button_rect.right and
y >= self.button_rect.y and y <= self.button_rect.bottom):
return True
return False
def getSelectedCards(self):
card_index_list = []
for card in self.selected_cards:
card_index_list.append(card.name_index)
return card_index_list
def draw(self, surface):
self.menu_image.blit(self.value_image, self.value_rect)
surface.blit(self.menu_image, self.menu_rect)
surface.blit(self.panel_image, self.panel_rect)
for card in self.card_list:
card.draw(surface)
for card in self.selected_cards:
card.draw(surface)
if self.selected_num == CARD_LIST_NUM:
surface.blit(self.button_image, self.button_rect)
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