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import pygame
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from code.engine.common import Array2D
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from code.game_global import g
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class GameMap:
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"""
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游戏地图
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"""
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def __init__(self):
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self.btm_img = None # 地图背景图片
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self.top_img = None # 地图遮挡层图片
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self.walk_data = None # 行走层数据
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self.redraw_data = None # 重绘层数据
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self.enter_point = None # 地图切换点
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self.w = 0 # 地图的长宽，16*16为一个单位
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self.h = 0
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self.size_w = 0
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self.size_h = 0
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self.x = 0 # 绘图坐标
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self.y = 0
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# self.npc_list = [] # npc列表
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def load(self, map_id):
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"""
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加载地图
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"""
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self.btm_img = pygame.image.load(f'./resource/PicLib/all_map/{map_id}-1.jpg')
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self.top_img = pygame.image.load(f'./resource/PicLib/all_map/{map_id}-2.png').convert_alpha()
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self.w = int(self.btm_img.get_width() / 16) + 2
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self.h = int(self.btm_img.get_height() / 16) + 2
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self.size_w = self.btm_img.get_width()
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self.size_h = self.btm_img.get_height()
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self.walk_data = Array2D(self.w, self.h)
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self.redraw_data = Array2D(self.w, self.h)
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self.enter_point = Array2D(self.w, self.h)
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with open(f'./resource/PicLib/all_map/{map_id}.Walkmap') as file:
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for x in range(self.w):
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for y in range(self.h):
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self.walk_data[x][y] = int(file.readline())
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with open(f'./resource/PicLib/all_map/{map_id}.Redrawmap') as file:
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for x in range(self.w):
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for y in range(self.h):
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self.redraw_data[x][y] = int(file.readline())
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with open(f'./resource/PicLib/all_map/{map_id}.Enterpos', mode='rb') as file:
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data = file.read()
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for i in range(0, len(data), 12):
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chunk = data[i:i + 12]
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x = int.from_bytes(chunk[0:4], 'little')
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y = int.from_bytes(chunk[4:8], 'little')
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v = int.from_bytes(chunk[8:12], 'little')
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self.enter_point[x][y] = v
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g.audio_player.play_music(f"map{map_id}", -1)
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def roll(self, role_x, role_y, win_width=640, win_height=480):
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"""
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地图滚动
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:param role_x: 角色相对于地图的坐标
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:param role_y:
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"""
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if role_x < win_width / 2:
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self.x = 0
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elif role_x > self.size_w - win_width / 2:
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self.x = -(self.size_w - win_width)
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else:
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self.x = -(role_x - win_width / 2)
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if role_y < win_height / 2:
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self.y = 0
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elif role_y > self.size_h - win_height / 2:
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self.y = -(self.size_h - win_height)
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else:
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self.y = -(role_y - win_height / 2)
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def calc_roll_pos(self, x, y, win_width=640, win_height=480):
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"""
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x,y:以地图左上角建立坐标系得到的坐标
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计算镜头移动到目标点后地图坐标
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"""
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if x < win_width / 2:
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map_x = 0
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elif x > self.size_w - win_width / 2:
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map_x = -(self.size_w - win_width)
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else:
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map_x = -(x - win_width / 2)
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if y < win_height / 2:
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map_y = 0
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elif y > self.size_h - win_height / 2:
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map_y = -(self.size_h - win_height)
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else:
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map_y = -(y - win_height / 2)
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return map_x, map_y
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def unload(self):
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pass
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