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chessboard2.py
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import os
from kivy.graphics import *
from kivymd.uix.relativelayout import MDRelativeLayout
from kivymd.uix.label import MDLabel
from kivymd.utils import asynckivy
from global_var import g_const_S_P_ORDEER
from piecewidget2 import PieceWidget2
from piece import Piece
from selectedmaskwidget2 import SelectedMaskWidget2
class Chessboard2(MDRelativeLayout):
grid_side_len = 0
x_offset = 0
y_offset = 0
selectedmask = None
selected_piece = None
def __init__(self, **kwargs):
super(Chessboard2, self).__init__(**kwargs)
#self.bind(pos=self.update_canvas)
self.bind(size=self.update_canvas)
self.update_canvas
def update_canvas(self,*args):
#need to reset everything
#self.canvas.clear()
#with self.canvas.before:
# #context instruction
# Color(.1,.5,1,0.5)#蓝色
# Rectangle(pos=(0,0),size=self.size)
# print(f"canvas.before,{self.size=}")
#with self.canvas:
with self.canvas:
self.canvas.clear()
Color(0.5,0.5,0.5,0.5)
#Color(.1,.5,1,0.5)#蓝色
#Color(.9,.9,1,0.5)
#Rectangle(pos=(0,0),size=self.size)
print(f"Chessboard2 {self.width=},{self.height=}")
if self.width == 100:#100这个是初始尺寸，别画了，浪费
return
#将最短边11等分，作为网格的边长
#self.width x轴，self.height y轴
if self.height > self.width:
#print(f"Chessboard2 取棋盘{self.width=}的11等分作为格子的边长")
self.grid_side_len = self.width / 11
self.x_offset = self.grid_side_len /2
#使棋盘保持在y轴中间,宽高差的一半 - 格子的1半 （X轴比Y轴少一个格子）
self.y_offset = (self.height - self.width) /2
else:
#print(f"Chessboard2 取棋盘{self.height=}的11等分作为格子的边长")
self.grid_side_len = self.height / 11
self.y_offset = 0
#使棋盘保持在y轴中间,宽高差的一半 + 格子的1半 （X轴比Y轴少一个格子）
self.x_offset = (self.width - self.height) /2 + self.grid_side_len /2
#print(f"Chessboard2 {self.grid_side_len=},{self.x_offset=},{self.y_offset=}")
for y in range(0,10,1):#y坐标
Line(points=[self.grid_side_len+self.x_offset,self.grid_side_len*(y+1)+self.y_offset,
self.grid_side_len*9+self.x_offset,self.grid_side_len*(y+1)+self.y_offset],width=1)
#x0
Line(points=[self.grid_side_len*1+self.x_offset,self.grid_side_len*1+self.y_offset,
self.grid_side_len*1+self.x_offset,self.grid_side_len*10+self.y_offset],width=1)
for x in range(1,8,1):#x坐标
#x-1
Line(points=[self.grid_side_len*(x+1)+self.x_offset,self.grid_side_len*1+self.y_offset,
self.grid_side_len*(x+1)+self.x_offset,self.grid_side_len*5+self.y_offset],width=1)
#x-2
Line(points=[self.grid_side_len*(x+1)+self.x_offset,self.grid_side_len*6+self.y_offset,
self.grid_side_len*(x+1)+self.x_offset,self.grid_side_len*10+self.y_offset],width=1)
#x8
Line(points=[self.grid_side_len*9+self.x_offset,self.grid_side_len*1+self.y_offset,
self.grid_side_len*9+self.x_offset,self.grid_side_len*10+self.y_offset],width=1)
#X
Line(points=[self.grid_side_len*4+self.x_offset,self.grid_side_len*1+self.y_offset,
self.grid_side_len*6+self.x_offset,self.grid_side_len*3+self.y_offset],width=1)
Line(points=[self.grid_side_len*4+self.x_offset,self.grid_side_len*3+self.y_offset,
self.grid_side_len*6+self.x_offset,self.grid_side_len*1+self.y_offset],width=1)
#X
Line(points=[self.grid_side_len*4+self.x_offset,self.grid_side_len*8+self.y_offset,
self.grid_side_len*6+self.x_offset,self.grid_side_len*10+self.y_offset],width=1)
Line(points=[self.grid_side_len*4+self.x_offset,self.grid_side_len*10+self.y_offset,
self.grid_side_len*6+self.x_offset,self.grid_side_len*8+self.y_offset],width=1)
for i in range(1,10,1):
#红方
MDLabel(text=str(10-i),font_style="Overline",center=(self.x_offset+self.grid_side_len*i+48,self.y_offset+10),theme_text_color="Custom",text_color=(0.5,0.5,0.5,0.5))
#黑方
MDLabel(text=str(i),font_style="Overline",center=(self.x_offset+self.grid_side_len*i+48,self.y_offset+self.grid_side_len*10+22),theme_text_color="Custom",text_color=(0.5,0.5,0.5,0.5))
self.selectedmask = SelectedMaskWidget2(size_hint=(None,None),center=[self.width/2,self.height/2])
async def onebyone(self):
svg_path = os.path.join(os.path.dirname(os.path.abspath(__file__)),'img')
for i in range(0,32,1):
if i < 16:#红方棋子
if i < 8:#第一排
x = self.x_offset + self.grid_side_len * (i+1) + self.grid_side_len/2
y = self.y_offset - self.grid_side_len / 2
else:
x = self.x_offset + self.grid_side_len * (i+1-8) + self.grid_side_len/2
y = self.y_offset - self.grid_side_len*3/2
p = Piece('w',g_const_S_P_ORDEER[i],x,y)
else: #黑方棋子
if i < 24:#第一排
x = self.x_offset + self.grid_side_len * (i+1-16) + self.grid_side_len/2
y = self.y_offset - self.grid_side_len / 2 + self.grid_side_len * 13
else:
x = self.x_offset + self.grid_side_len * (i+1-8-16) + self.grid_side_len/2
y = self.y_offset - self.grid_side_len*3/2 + self.grid_side_len * 13
p = Piece('b',g_const_S_P_ORDEER[i],x,y)
pw = PieceWidget2(svg_fn=os.path.join(f'{svg_path}',f'{p.camp}{p.identifier}.svg'),camp=p.camp,identifier=p.identifier,bx=p.x,by=p.y,
size_hint=(None,None),center=[p.x,p.y])
self.add_widget(pw)
#await asynckivy.sleep(1)
asynckivy.start(onebyone(self))
def on_touch_up(self, touch):
#print("Chessboard2.on_touch_up begin")
ret = super(MDRelativeLayout, self).on_touch_up(touch)
if self.collide_point(*touch.pos):
if self.selected_piece != None:
#print(f"{self.selected_piece.camp=},{self.selected_piece.identifier=},{self.selected_piece.bx=},{self.selected_piece.by=}")
# 这里用push先把当前的坐标位置存留起来，以后就还可以恢复到这个坐标
touch.push()
# 接下来就是把Touch的坐标转换成本地空间的坐标
touch.apply_transform_2d(self.to_local)
# Touch事件的坐标位置现在就是本地空间的了
tx = touch.pos[0]
ty = touch.pos[1]
#无论结果如何，一定记得把这个转换用pop弹出
# 之后，坐标就又恢复成上层空间的了
touch.pop()
#距离网格点1/3处均视为该网点有效范围内
#遍历下棋盘
bFnd = False
for x in range(0,9,1):
for y in range(0,10,1):
#print(f"网点：({x},{y})")
leftx = self.x_offset + self.grid_side_len * (x+1) - self.grid_side_len / 3
rightx = self.x_offset + self.grid_side_len * (x+1) + self.grid_side_len / 3
boty = self.y_offset + self.grid_side_len * (y+1) - self.grid_side_len / 3
topy = self.y_offset + self.grid_side_len * (y+1) + self.grid_side_len / 3
if (tx > leftx) and (tx < rightx) and (ty > boty) and (ty < topy):
bFnd = True
#print(f"中标：{x},{y}")
#print(f"{leftx=},{rightx=},{boty=},{topy=}")
#print(f"{touch.pos[0]=},{touch.pos[1]=}")
self.selected_piece.movexy(x,y,'F')
if bFnd == False:
#将棋子移回初始位置
self.selected_piece.movexy(0,0,'B')
#print("Chessboard2.on_touch_up end")
# 最后就是返回结果了
return ret