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class_16/source/state/level.py

295 lines
11 KiB

__author__ = 'marble_xu'
import os
import json
import pygame as pg
from .. import tool
from .. import constants as c
from ..component import map, plant, zombie, menubar
class Level(tool.State):
def __init__(self):
tool.State.__init__(self)
def startup(self, current_time, persist):
self.game_info = persist
self.persist = self.game_info
self.game_info[c.CURRENT_TIME] = current_time
self.map_y_len = c.GRID_Y_LEN
self.map = map.Map(c.GRID_X_LEN, self.map_y_len)
self.loadMap()
self.menubar = menubar.MenuBar(menubar.card_list, self.map_data[c.INIT_SUN_NAME])
self.drag_plant = False
self.hint_image = None
self.hint_plant = False
self.produce_sun = True
self.sun_timer = current_time
self.removeMouseImage()
self.setupBackground()
self.setupGroups()
self.setupZombies()
def loadMap(self):
map_file = 'level_' + str(self.game_info[c.LEVEL_NUM]) + '.json'
file_path = os.path.join('source', 'data', 'map', map_file)
f = open(file_path)
self.map_data = json.load(f)
f.close()
def setupBackground(self):
img_index = self.map_data[c.BACKGROUND_TYPE]
self.background = tool.GFX[c.BACKGROUND_NAME][img_index]
self.bg_rect = self.background.get_rect()
self.level = pg.Surface((self.bg_rect.w, self.bg_rect.h)).convert()
self.viewport = tool.SCREEN.get_rect(bottom=self.bg_rect.bottom)
self.viewport.x += 230
def setupGroups(self):
self.sun_group = pg.sprite.Group()
self.head_group = pg.sprite.Group()
self.plant_groups = []
self.zombie_groups = []
self.bullet_groups = []
for i in range(self.map_y_len):
self.plant_groups.append(pg.sprite.Group())
self.zombie_groups.append(pg.sprite.Group())
self.bullet_groups.append(pg.sprite.Group())
def setupZombies(self):
def takeTime(element):
return element[0]
self.zombie_list = []
for data in self.map_data[c.ZOMBIE_LIST]:
self.zombie_list.append((data['time'], data['name'], data['map_y']))
self.zombie_start_time = 0
self.zombie_list.sort(key=takeTime)
def update(self, surface, current_time, mouse_pos, mouse_click):
self.current_time = self.game_info[c.CURRENT_TIME] = current_time
if self.zombie_start_time == 0:
self.zombie_start_time = self.current_time
elif len(self.zombie_list) > 0:
data = self.zombie_list[0]
if data[0] <= (self.current_time - self.zombie_start_time):
self.createZombie(data[1], data[2])
self.zombie_list.remove(data)
for i in range(self.map_y_len):
self.bullet_groups[i].update(self.game_info)
self.plant_groups[i].update(self.game_info)
self.zombie_groups[i].update(self.game_info)
self.head_group.update(self.game_info)
self.sun_group.update(self.game_info)
if not self.drag_plant and mouse_pos and mouse_click[0]:
result = self.menubar.checkCardClick(mouse_pos)
if result:
self.setupMouseImage(result[0], result[1])
elif self.drag_plant:
if mouse_click[1]:
self.removeMouseImage()
elif mouse_click[0]:
if self.menubar.checkMenuBarClick(mouse_pos):
self.removeMouseImage()
else:
self.addPlant()
elif mouse_pos is None:
self.setupHintImage()
if self.produce_sun:
if(self.current_time - self.sun_timer) > c.PRODUCE_SUN_INTERVAL:
self.sun_timer = self.current_time
map_x, map_y = self.map.getRandomMapIndex()
x, y = self.map.getMapGridPos(map_x, map_y)
self.sun_group.add(plant.Sun(x, 0, x, y))
if not self.drag_plant and mouse_pos and mouse_click[0]:
for sun in self.sun_group:
if sun.checkCollision(mouse_pos[0], mouse_pos[1]):
self.menubar.increaseSunValue(c.SUN_VALUE)
self.checkBulletCollisions()
self.checkZombieCollisions()
self.checkPlants()
self.checkGameState()
self.draw(surface)
def createZombie(self, name, map_y):
x, y = self.map.getMapGridPos(0, map_y)
if name == c.NORMAL_ZOMBIE:
self.zombie_groups[map_y].add(zombie.NormalZombie(c.ZOMBIE_START_X, y, self.head_group))
elif name == c.CONEHEAD_ZOMBIE:
self.zombie_groups[map_y].add(zombie.ConeHeadZombie(c.ZOMBIE_START_X, y, self.head_group))
elif name == c.BUCKETHEAD_ZOMBIE:
self.zombie_groups[map_y].add(zombie.BucketHeadZombie(c.ZOMBIE_START_X, y, self.head_group))
elif name == c.FLAG_ZOMBIE:
self.zombie_groups[map_y].add(zombie.FlagZombie(c.ZOMBIE_START_X, y, self.head_group))
def canSeedPlant(self):
x, y = pg.mouse.get_pos()
return self.map.showPlant(x, y)
def addPlant(self):
pos = self.canSeedPlant()
if pos is None:
return
if self.hint_image is None:
self.setupHintImage()
x, y = self.hint_rect.centerx, self.hint_rect.bottom
map_x, map_y = self.map.getMapIndex(x, y)
if self.plant_name == c.SUNFLOWER:
self.plant_groups[map_y].add(plant.SunFlower(x, y, self.sun_group))
elif self.plant_name == c.PEASHOOTER:
self.plant_groups[map_y].add(plant.PeaShooter(x, y, self.bullet_groups[map_y]))
elif self.plant_name == c.SNOWPEASHOOTER:
self.plant_groups[map_y].add(plant.SnowPeaShooter(x, y, self.bullet_groups[map_y]))
elif self.plant_name == c.WALLNUT:
self.plant_groups[map_y].add(plant.WallNut(x, y))
elif self.plant_name == c.CHERRYBOMB:
self.plant_groups[map_y].add(plant.CherryBomb(x, y))
self.menubar.decreaseSunValue(self.plant_cost)
self.map.setMapGridType(map_x, map_y, c.MAP_EXIST)
self.removeMouseImage()
#print('addPlant map[%d,%d], grid pos[%d, %d] pos[%d, %d]' % (map_x, map_y, x, y, pos[0], pos[1]))
def setupHintImage(self):
pos = self.canSeedPlant()
if pos and self.mouse_image:
if (self.hint_image and pos[0] == self.hint_rect.x and
pos[1] == self.hint_rect.y):
return
width, height = self.mouse_rect.w, self.mouse_rect.h
image = pg.Surface([width, height])
image.blit(self.mouse_image, (0, 0), (0, 0, width, height))
image.set_colorkey(c.BLACK)
image.set_alpha(128)
self.hint_image = image
self.hint_rect = image.get_rect()
self.hint_rect.centerx = pos[0]
self.hint_rect.bottom = pos[1]
self.hint_plant = True
else:
self.hint_plant = False
def setupMouseImage(self, plant_name, plant_cost):
frame_list = tool.GFX[plant_name]
rect = frame_list[0].get_rect()
width, height = rect.w, rect.h
self.mouse_image = tool.get_image(frame_list[0], 0, 0, width, height, c.BLACK, 1)
self.mouse_rect = self.mouse_image.get_rect()
pg.mouse.set_visible(False)
self.drag_plant = True
self.plant_name = plant_name
self.plant_cost = plant_cost
def removeMouseImage(self):
pg.mouse.set_visible(True)
self.drag_plant = False
self.mouse_image = None
self.hint_image = None
self.hint_plant = False
def checkBulletCollisions(self):
collided_func = pg.sprite.collide_circle_ratio(0.7)
for i in range(self.map_y_len):
for bullet in self.bullet_groups[i]:
if bullet.state == c.FLY:
zombie = pg.sprite.spritecollideany(bullet, self.zombie_groups[i], collided_func)
if zombie and zombie.state != c.DIE:
zombie.setDamage(bullet.damage, bullet.ice)
bullet.setExplode()
def checkZombieCollisions(self):
collided_func = pg.sprite.collide_circle_ratio(0.7)
for i in range(self.map_y_len):
for zombie in self.zombie_groups[i]:
plant = pg.sprite.spritecollideany(zombie, self.plant_groups[i], collided_func)
if plant and zombie.state == c.WALK:
zombie.setAttack(plant)
plant.setAttacked()
def boomZombies(self, x, map_y):
for i in range(self.map_y_len):
if abs(i - map_y) > 1:
continue
for zombie in self.zombie_groups[i]:
if abs(zombie.rect.x - x) <= c.GRID_X_SIZE:
zombie.setBoomDie()
def killPlant(self, plant):
map_x, map_y = self.map.getMapIndex(plant.rect.centerx, plant.rect.bottom)
self.map.setMapGridType(map_x, map_y, c.MAP_EMPTY)
if plant.name == c.CHERRYBOMB:
self.boomZombies(plant.rect.centerx, map_y)
plant.kill()
def checkPlants(self):
for i in range(self.map_y_len):
if len(self.zombie_groups[i]) > 0:
for plant in self.plant_groups[i]:
if plant.state == c.IDLE:
plant.setAttack()
if plant.health <= 0:
self.killPlant(plant)
else:
for plant in self.plant_groups[i]:
if plant.state == c.ATTACK:
plant.setIdle()
if plant.health <= 0:
self.killPlant(plant)
def checkVictory(self):
if len(self.zombie_list) > 0:
return False
for i in range(self.map_y_len):
if len(self.zombie_groups[i]) > 0:
return False
return True
def checkLose(self):
for i in range(self.map_y_len):
for zombie in self.zombie_groups[i]:
if zombie.rect.right < 0:
return True
return False
def checkGameState(self):
if self.checkVictory():
self.game_info[c.LEVEL_NUM] += 1
self.next = c.GAME_VICTORY
self.done = True
elif self.checkLose():
self.next = c.GAME_LOSE
self.done = True
def drawMouseShow(self, surface):
if self.hint_plant:
surface.blit(self.hint_image, self.hint_rect)
x, y = pg.mouse.get_pos()
self.mouse_rect.centerx = x
self.mouse_rect.centery = y
surface.blit(self.mouse_image, self.mouse_rect)
def draw(self, surface):
self.level.blit(self.background, self.viewport, self.viewport)
surface.blit(self.level, (0,0), self.viewport)
self.menubar.draw(surface)
for i in range(self.map_y_len):
self.plant_groups[i].draw(surface)
self.zombie_groups[i].draw(surface)
self.bullet_groups[i].draw(surface)
self.head_group.draw(surface)
self.sun_group.draw(surface)
if self.drag_plant:
self.drawMouseShow(surface)