class Example(Frame):
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.buttons = {}
self.nodes = {}
self.edges = {}
self.active_node = None
self.active_edge = None
self.start = None
self.x = None
self.y = None
self.cycles = None
self.show_cycles_only_mode = False
self.steps = None
self.step_index = None
self.parent.title("Demonstrační aplikace - nalezení elementárních cyklů v orientovaném grafu")
self.style = Style()
self.style.theme_use("default")
self.pack(fill=BOTH, expand=1)
self.columnconfigure(1, weight=1)
self.columnconfigure(3, pad=7)
self.rowconfigure(5, weight=1)
self.rowconfigure(6, pad=7)
self.label = Label(self, text="graf1.graphml")
self.label.grid(sticky=W, pady=4, padx=5)
self.canvas = Canvas(self)
self.canvas.bind('<Double-Button-1>', self.event_add_node)
self.canvas.bind('<Button-1>', self.event_add_edge_start)
self.canvas.bind('<B1-Motion>', self.event_add_edge_move)
self.canvas.bind('<ButtonRelease-1>', self.event_add_edge_end)
self.canvas.bind('<Button-3>', self.event_move_node_start)
self.canvas.bind('<B3-Motion>', self.event_move_node)
self.canvas.pack()
self.canvas.grid(row=1, column=0, columnspan=2, rowspan=6,
padx=5, sticky=E + W + S + N)
self.buttons['start'] = b = Button(self, text="Start", width=15)
b.bind('<Button-1>', self.event_start)
b.grid(row=1, column=3)
self.buttons['next'] = b = Button(self, text=">>", width=15, state=DISABLED)
b.bind('<Button-1>', self.event_next_step)
b.grid(row=2, column=3, pady=4)
self.buttons['prev'] = b = Button(self, text="<<", width=15, state=DISABLED)
b.bind('<Button-1>', self.event_prev_step)
b.grid(row=3, column=3, pady=4)
b = Checkbutton(self, text="Pouze cykly", command=self.event_change_mode)
b.grid(row=4, column=3, pady=4)
self.buttons['reset'] = b = Button(self, text="Reset", width=15)
b.bind('<Button-1>', self.event_reset)
b.grid(row=6, column=3)
menubar = Menu(self.parent)
self.parent.config(menu=menubar)
fileMenu = Menu(menubar)
fileMenu.add_command(label="Načíst", command=self.onLoad)
fileMenu.add_command(label="Uložit", command=self.onSave)
fileMenu.add_separator()
fileMenu.add_command(label="Konec", command=self.onExit)
menubar.add_cascade(label="Soubor", menu=fileMenu)
fileMenu = Menu(menubar)
fileMenu.add_command(label="O aplikaci", command=self.onAbout)
menubar.add_cascade(label="Nápověda", menu=fileMenu)
def onExit(self):
self.quit()
def onLoad(self):
fileTypes = [('Soubory typu GraphML', '*.graphml')]
dialog = tkFileDialog.Open(self, filetypes=fileTypes)
filename = dialog.show()
if filename != '':
self.readFile(filename)
def onSave(self):
fileTypes = [('GraphML files', '*.graphml')]
dialog = tkFileDialog.SaveAs(self, filetypes=fileTypes)
filename = dialog.show()
if filename != '':
if not filename.endswith(".graphml"):
filename += ".graphml"
self.writeFile(filename)
def onAbout(self):
box.showinfo("O aplikaci",
"Demonstrace algoritmu nalezení elementárních cyklů v orientovaném grafu podle D. B. Johnsona. \n\n"
"Autoři:\n"
"Paulík Miroslav\n"
"Pavlů Igor\n"
"FIT VUT v Brně 2013")
def readFile(self, filename):
self.reset()
try:
parser = GraphMLParser()
g = parser.parse(filename)
except Exception:
box.showerror("Chyba při zpracování vstupního souboru", "Chybný formát souboru.")
return
nodeMap = {}
try:
for gnode in g.nodes():
nodeMap[gnode.id] = self.__add_node(int(gnode['x']), int(gnode['y']))
except KeyError:
box.showerror("Chyba při zpracování vstupního souboru", "Uzlum chybi udaje o pozici (atributy x a y).")
self.reset()
return
try:
for gedge in g.edges():
start = nodeMap[gedge.node1.id]
end = nodeMap[gedge.node2.id]
isCurve = gedge.node1.id == gedge.node2.id
self.__add_edge(start, end, isCurve)
self.label.configure(text=os.path.basename(filename))
except KeyError:
box.showerror("Chyba při zpracování vstupního souboru",
"Soubor obsahuje hrany spojujici neexistujici hrany")
self.reset()
return
self.repaint()
def writeFile(self, filename):
g = Graph()
for i in self.nodes:
node = self.nodes[i]
node.name = str(i)
gnode = g.add_node(i)
gnode['label'] = i
gnode['x'] = node.x
gnode['y'] = node.y
for i in self.edges:
edge = self.edges[i]
edge.name = i
parser = GraphMLParser()
parser.write(g, filename)
def repaint(self):
for e in self.edges:
edge = self.edges[e]
self.canvas.itemconfigure(e, fill=edge.color)
for v in self.nodes:
node = self.nodes[v]
self.canvas.itemconfigure(v, fill=node.color)
def reset_colors(self):
for n in self.nodes:
self.nodes[n].color = "white"
for e in self.edges:
self.edges[e].color = "grey"
def reset(self):
self.nodes = {}
self.edges = {}
self.canvas.delete("all")
self.buttons['prev'].config(state=DISABLED)
self.buttons['next'].config(state=DISABLED)
def run(self):
x = ElementaryCircuitsDetector(self.nodes, self.edges)
x.detect_cycles()
self.cycles = x.cycles
self.step_index = 0
self.steps = x.get_all_steps()
self.algorithm_step_move(0)
if len(self.steps) > 0:
self.buttons['prev'].config(state=1)
self.buttons['next'].config(state=1)
def event_reset(self, event):
self.reset()
def event_prev_step(self, event):
if str(self.buttons['prev'].cget("state")) != str(DISABLED):
self.algorithm_step_move(-1)
def event_next_step(self, event):
if str(self.buttons['next'].cget("state")) != str(DISABLED):
self.algorithm_step_move(1)
def event_start(self, event):
self.run()
def event_change_mode(self):
self.show_cycles_only_mode = not self.show_cycles_only_mode
self.run()
def event_add_edge_start(self, event):
self.x = event.x
self.y = event.y
def event_add_edge_move(self, event):
if self.active_edge is None:
self.active_edge = self.canvas.create_line(self.x, self.y, event.x, event.y, arrow="last", width=2)
else:
x1, y1, x2, y2 = self.canvas.coords(self.active_edge)
self.canvas.coords(self.active_edge, x1, y1, event.x, event.y)
def event_add_edge_end(self, event):
if self.active_edge is None:
return
x1, y1, x2, y2 = self.canvas.coords(self.active_edge)
start = self.__get_node_from_position(x1, y1)
end = self.__get_node_from_position(x2, y2)
if start is None or end is None:
self.canvas.delete(self.active_edge)
elif start == end:
self.canvas.delete(self.active_edge)
edge = Edge(start, start, True)
points = edge.get_coords()
self.active_edge = self.canvas.create_line(points, width=2, smooth=True, arrow="last")
self.canvas.tag_lower(self.active_edge, min(self.nodes.keys()))
self.edges[self.active_edge] = edge
else:
x, y = self.__calculate_edge_end_from_nodes(start, end)
self.canvas.coords(self.active_edge, start.x, start.y, x, y)
self.canvas.tag_lower(self.active_edge, min(self.nodes.keys()))
edge = Edge(start, end)
self.edges[self.active_edge] = edge
self.active_edge = None
self.x = None
self.y = None
def event_move_node_start(self, event):
id = self.__get_id_from_position(event.x, event.y)
if id is None:
return
self.__activate_node(id)
self.x = event.x
self.y = event.y
def event_move_node(self, event):
id = self.active_node
if id is None:
return
deltax = event.x - self.x
deltay = event.y - self.y
self.canvas.move(id, deltax, deltay)
self.x = event.x
self.y = event.y
coord = self.canvas.coords(id)
self.nodes[self.active_node].x = (coord[2] - coord[0]) / 2 + coord[0]
self.nodes[self.active_node].y = (coord[3] - coord[1]) / 2 + coord[1]
self.__repair_edge_starting_in_node(self.nodes[self.active_node])
self.__repair_edge_ending_in_node(self.nodes[self.active_node])
def event_add_node(self, event):
id = self.__get_id_from_position(event.x, event.y, reverse=True)
if id is None or id not in self.nodes:
self.__add_node(event.x, event.y)
def __repair_edge_ending_in_node(self, node):
list_of_edge_ids = []
for edge_id in self.edges:
edge = self.edges[edge_id]
if edge.end == node:
list_of_edge_ids.append(edge_id)
for edge_id in list_of_edge_ids:
edge = self.edges[edge_id]
x, y = self.__calculate_edge_end_from_nodes(edge.start, edge.end)
if edge.is_curve:
coords = edge.get_coords()
self.canvas.coords(edge_id, coords[0][0], coords[0][1], coords[1][0], coords[1][1], coords[2][0],
coords[2][1], coords[3][0], coords[3][1])
else:
self.canvas.coords(edge_id, edge.start.x, edge.start.y, x, y)
def __repair_edge_starting_in_node(self, node):
list_of_edge_ids = []
for edge_id in self.edges:
edge = self.edges[edge_id]
if edge.start == node:
list_of_edge_ids.append(edge_id)
for edge_id in list_of_edge_ids:
edge = self.edges[edge_id]
x, y = self.__calculate_edge_end_from_nodes(edge.start, edge.end)
if edge.is_curve:
coords = edge.get_coords()
self.canvas.coords(edge_id, coords[0][0], coords[0][1], coords[1][0], coords[1][1], coords[2][0],
coords[2][1], coords[3][0], coords[3][1])
else:
self.canvas.coords(edge_id, edge.start.x, edge.start.y, x, y)
def __calculate_edge_end_from_nodes(self, start_node, end_node):
diffx = end_node.x - start_node.x
diffy = end_node.y - start_node.y
distance = math.sqrt(diffx ** 2 + diffy ** 2)
if distance > 0:
ratio = NODE_SIZE / 2 / distance
x = end_node.x - diffx * ratio
y = end_node.y - diffy * ratio
return x, y
return end_node.x, end_node.y
def __activate_node(self, id):
self.__deactivate_node()
if id in self.nodes:
self.active_node = id
def __deactivate_node(self):
self.active_node = None
def __get_id_from_position(self, x, y, reverse=False):
overlaping = self.canvas.find_overlapping(x, y, x, y)
if len(overlaping) > 0:
if reverse:
return overlaping[-1]
else:
return overlaping[0]
else:
return None
def __get_node_from_position(self, x, y):
id = self.__get_id_from_position(x, y)
if id is not None and id in self.nodes:
return self.nodes[id]
else:
return None
def __add_node(self, x, y):
node = Node(x, y)
id = self.canvas.create_oval(node.get_coord(), fill="blue")
self.nodes[id] = node
return node
def __add_edge(self, start, end, is_curve=False):
edge = Edge(start, end, is_curve)
if is_curve:
id = self.canvas.create_line(edge.get_coords(), width=2, smooth=True, arrow="last")
else:
id = self.canvas.create_line(start.x, start.y, end.x, end.y, arrow="last", width=2)
self.edges[id] = edge
self.canvas.tag_lower(id, min(self.nodes.keys()))
self.__repair_edge_starting_in_node(start)
return edge
def algorithm_step_move(self, move):
if self.show_cycles_only_mode: # cycles only
if (self.step_index + move) < len(self.cycles) and self.step_index + move >= 0:
self.step_index += move
self.reset_colors()
colors = ['green', 'blue', 'red', 'yellow', 'purple', 'brown']
color_index = self.step_index % len(colors)
for edge in self.cycles[self.step_index]:
edge.color = edge.start.color = edge.end.color = colors[color_index]
self.repaint()
else:
if (self.step_index + move) < len(self.steps) and self.step_index + move >= 0:
self.step_index += move
self.reset_colors()
for i in range(self.step_index + 1):
colors = self.steps[i]
for id in colors:
if id in self.nodes.keys():
self.nodes[id].color = colors[id]
elif id in self.edges.keys():
self.edges[id].color = colors[id]
self.repaint()
class histogramWidget:
BACKGROUND = "#222222"
EDGE_HISTOGRAM_COLOR = "#999999"
NODE_HISTOGRAM_COLOR = "#555555"
TOOLTIP_COLOR="#FFFF55"
PADDING = 8
CENTER_WIDTH = 1
CENTER_COLOR = "#444444"
ZERO_GAP = 1
UPDATE_WIDTH = 9
UPDATE_COLOR = "#FFFFFF"
HANDLE_WIDTH = 5
HANDLE_COLOR = "#FFFFFF"
HANDLE_LENGTH = (HEIGHT-2*PADDING)
TICK_COLOR = "#FFFFFF"
TICK_WIDTH = 10
TICK_FACTOR = 2
LOG_BASE = 10.0
def __init__(self, parent, x, y, width, height, data, logScale=False, callback=None):
self.canvas = Canvas(parent,background=histogramWidget.BACKGROUND, highlightbackground=histogramWidget.BACKGROUND,width=width,height=height)
self.canvas.place(x=x,y=y,width=width,height=height,bordermode="inside")
self.logScale = logScale
self.callback = callback
self.edgeBars = []
self.nodeBars = []
self.binValues = []
self.numBins = len(data) - 1
self.currentBin = self.numBins # start the slider at the highest bin
edgeRange = 0.0
nodeRange = 0.0
for values in data.itervalues():
if values[0] > edgeRange:
edgeRange = values[0]
if values[1] > nodeRange:
nodeRange = values[1]
edgeRange = float(edgeRange) # ensure that it will yield floats when used in calculations...
nodeRange = float(nodeRange)
if logScale:
edgeRange = math.log(edgeRange,histogramWidget.LOG_BASE)
nodeRange = math.log(nodeRange,histogramWidget.LOG_BASE)
# calculate the center line - but don't draw it yet
self.center_x = histogramWidget.PADDING
if self.logScale:
self.center_x += histogramWidget.TICK_WIDTH+histogramWidget.PADDING
self.center_y = height/2
self.center_x2 = width-histogramWidget.PADDING
self.center_y2 = self.center_y + histogramWidget.CENTER_WIDTH
# draw the histograms with background-colored baseline rectangles (these allow tooltips to work on very short bars with little area)
self.bar_interval = float(self.center_x2 - self.center_x) / (self.numBins+1)
bar_x = self.center_x
edge_y2 = self.center_y-histogramWidget.PADDING
edge_space = edge_y2-histogramWidget.PADDING
node_y = self.center_y2+histogramWidget.PADDING
node_space = (height-node_y)-histogramWidget.PADDING
thresholds = sorted(data.iterkeys())
for threshold in thresholds:
self.binValues.append(threshold)
edgeWeight = data[threshold][0]
nodeWeight = data[threshold][1]
if logScale:
if edgeWeight > 0:
edgeWeight = math.log(edgeWeight,histogramWidget.LOG_BASE)
else:
edgeWeight = 0
if nodeWeight > 0:
nodeWeight = math.log(nodeWeight,histogramWidget.LOG_BASE)
else:
nodeWeight = 0
bar_x2 = bar_x + self.bar_interval
edge_y = histogramWidget.PADDING + int(edge_space*(1.0-edgeWeight/edgeRange))
edge = self.canvas.create_rectangle(bar_x,edge_y,bar_x2,edge_y2,fill=histogramWidget.EDGE_HISTOGRAM_COLOR,width=0)
baseline = self.canvas.create_rectangle(bar_x,edge_y2+histogramWidget.ZERO_GAP,bar_x2,edge_y2+histogramWidget.PADDING,fill=histogramWidget.BACKGROUND,width=0)
self.canvas.addtag_withtag("Threshold: %f" % threshold,edge)
self.canvas.addtag_withtag("No. Edges: %i" % data[threshold][0],edge)
self.canvas.tag_bind(edge,"<Enter>",self.updateToolTip)
self.canvas.tag_bind(edge,"<Leave>",self.updateToolTip)
self.edgeBars.append(edge)
self.canvas.addtag_withtag("Threshold: %f" % threshold,baseline)
self.canvas.addtag_withtag("No. Edges: %i" % data[threshold][0],baseline)
self.canvas.tag_bind(baseline,"<Enter>",self.updateToolTip)
self.canvas.tag_bind(baseline,"<Leave>",self.updateToolTip)
node_y2 = node_y + int(node_space*(nodeWeight/nodeRange))
node = self.canvas.create_rectangle(bar_x,node_y,bar_x2,node_y2,fill=histogramWidget.NODE_HISTOGRAM_COLOR,width=0)
baseline = self.canvas.create_rectangle(bar_x,node_y-histogramWidget.PADDING,bar_x2,node_y-histogramWidget.ZERO_GAP,fill=histogramWidget.BACKGROUND,width=0)
self.canvas.addtag_withtag("Threshold: %f" % threshold,node)
self.canvas.addtag_withtag("No. Nodes: %i" % data[threshold][1],node)
self.canvas.tag_bind(node,"<Enter>",self.updateToolTip)
self.canvas.tag_bind(node,"<Leave>",self.updateToolTip)
self.nodeBars.append(node)
self.canvas.addtag_withtag("Threshold: %f" % threshold,baseline)
self.canvas.addtag_withtag("No. Nodes: %i" % data[threshold][1],baseline)
self.canvas.tag_bind(baseline,"<Enter>",self.updateToolTip)
self.canvas.tag_bind(baseline,"<Leave>",self.updateToolTip)
bar_x = bar_x2
# now draw the center line
self.centerLine = self.canvas.create_rectangle(self.center_x,self.center_y,self.center_x2,self.center_y2,fill=histogramWidget.CENTER_COLOR,width=0)
# draw the tick marks if logarithmic
if self.logScale:
tick_x = histogramWidget.PADDING
tick_x2 = histogramWidget.PADDING+histogramWidget.TICK_WIDTH
start_y = edge_y2
end_y = histogramWidget.PADDING
dist = start_y-end_y
while dist > 1:
dist /= histogramWidget.TICK_FACTOR
self.canvas.create_rectangle(tick_x,end_y+dist-1,tick_x2,end_y+dist,fill=histogramWidget.TICK_COLOR,width=0)
start_y = node_y
end_y = height-histogramWidget.PADDING
dist = end_y-start_y
while dist > 1:
dist /= histogramWidget.TICK_FACTOR
self.canvas.create_rectangle(tick_x,end_y-dist,tick_x2,end_y-dist+1,fill=histogramWidget.TICK_COLOR,width=0)
# draw the update bar
bar_x = self.currentBin*self.bar_interval + self.center_x
bar_x2 = self.center_x2
bar_y = self.center_y-histogramWidget.UPDATE_WIDTH/2
bar_y2 = bar_y+histogramWidget.UPDATE_WIDTH
self.updateBar = self.canvas.create_rectangle(bar_x,bar_y,bar_x2,bar_y2,fill=histogramWidget.UPDATE_COLOR,width=0)
# draw the handle
handle_x = self.currentBin*self.bar_interval-histogramWidget.HANDLE_WIDTH/2+self.center_x
handle_x2 = handle_x+histogramWidget.HANDLE_WIDTH
handle_y = self.center_y-histogramWidget.HANDLE_LENGTH/2
handle_y2 = handle_y+histogramWidget.HANDLE_LENGTH
self.handleBar = self.canvas.create_rectangle(handle_x,handle_y,handle_x2,handle_y2,fill=histogramWidget.HANDLE_COLOR,width=0)
self.canvas.tag_bind(self.handleBar, "<Button-1>",self.adjustHandle)
self.canvas.tag_bind(self.handleBar, "<B1-Motion>",self.adjustHandle)
self.canvas.tag_bind(self.handleBar, "<ButtonRelease-1>",self.adjustHandle)
parent.bind("<Left>",lambda e: self.nudgeHandle(e,-1))
parent.bind("<Right>",lambda e: self.nudgeHandle(e,1))
# init the tooltip as nothing
self.toolTipBox = self.canvas.create_rectangle(0,0,0,0,state="hidden",fill=histogramWidget.TOOLTIP_COLOR,width=0)
self.toolTip = self.canvas.create_text(0,0,state="hidden",anchor="nw")
self.canvas.bind("<Enter>",self.updateToolTip)
self.canvas.bind("<Leave>",self.updateToolTip)
def adjustHandle(self, event):
newBin = int(self.numBins*(event.x-self.center_x)/float(self.center_x2-self.center_x)+0.5)
if newBin == self.currentBin or newBin < 0 or newBin > self.numBins:
return
self.canvas.move(self.handleBar,(newBin-self.currentBin)*self.bar_interval,0)
self.currentBin = newBin
if self.callback != None:
self.callback(self.binValues[newBin])
def nudgeHandle(self, event, distance):
temp = self.currentBin+distance
if temp < 0 or temp > self.numBins:
return
self.canvas.move(self.handleBar,distance*self.bar_interval,0)
self.currentBin += distance
if self.callback != None:
self.callback(self.binValues[self.currentBin])
def update(self, currentBins):
currentBar = self.canvas.coords(self.updateBar)
self.canvas.coords(self.updateBar,currentBins*self.bar_interval+self.center_x,currentBar[1],currentBar[2],currentBar[3])
def updateToolTip(self, event):
allTags = self.canvas.gettags(self.canvas.find_overlapping(event.x,event.y,event.x+1,event.y+1))
if len(allTags) == 0:
self.canvas.itemconfig(self.toolTipBox,state="hidden")
self.canvas.itemconfig(self.toolTip,state="hidden")
return
outText = ""
for t in allTags:
if t == "current":
continue
outText += t + "\n"
outText = outText[:-1] # strip the last return
self.canvas.coords(self.toolTip,event.x+20,event.y)
self.canvas.itemconfig(self.toolTip,state="normal",text=outText,anchor="nw")
# correct if our tooltip is off screen
textBounds = self.canvas.bbox(self.toolTip)
if textBounds[2] >= WIDTH-2*histogramWidget.PADDING:
self.canvas.itemconfig(self.toolTip, anchor="ne")
self.canvas.coords(self.toolTip,event.x-20,event.y)
if textBounds[3] >= HEIGHT-2*histogramWidget.PADDING:
self.canvas.itemconfig(self.toolTip, anchor="se")
elif textBounds[3] >= HEIGHT-2*histogramWidget.PADDING:
self.canvas.itemconfig(self.toolTip, anchor="sw")
# draw the box behind it
self.canvas.coords(self.toolTipBox,self.canvas.bbox(self.toolTip))
self.canvas.itemconfig(self.toolTipBox, state="normal")
class Breakout(Tk):
def __init__(self):
Tk.__init__(self)
#self.canvas.delete('all')
self.geometry('790x600')
self.resizable(
0, 0
) #set both parameters to false and to check whether window is resizable in x and y directions
self.func()
# game screen
def func(self):
self.canvas = Canvas(self,
bg='skyblue',
width=990,
height=600,
highlightcolor='green')
self.canvas.pack(
expand=1, fill=BOTH
) #when it is true and widget expands to fill any space
# ball
self._initiate_new_ball()
#self.level=choice([1])
# paddle
self.canvas.create_rectangle(375,
975,
525,
585,
fill='red',
tags='paddle')
self.bind('<Key>', self._move_paddle)
# bricks
self.bricks = {}
brick_coords = [15, 12, 60, 45]
for i in range(56):
self.canvas.create_rectangle(brick_coords,
outline='green',
fill=('yellow'),
tags='brick' + str(i))
self.bricks['brick' + str(i)] = None
brick_coords[0] += 55
brick_coords[2] += 55
if brick_coords[2] > 790:
brick_coords[0] = 15
brick_coords[2] = 60
brick_coords[1] += 55
brick_coords[3] += 55
def _initiate_new_ball(self):
if self.canvas.find_withtag('ball'):
self.canvas.delete('ball')
self.x = 300
self.y = 350
self.angle = 240
self.speed = 10
self.level = 0
self.score = 0
self.canvas.create_oval(self.x,
self.y,
self.x + 10,
self.y + 10,
fill='orange',
outline='red',
tags='ball')
self.after(2000, self._move_ball)
def _move_paddle(self, event):
if event.keysym == 'Left':
if self.canvas.coords('paddle')[0] > 0:
self.canvas.move('paddle', -20, 0)
elif event.keysym == 'Right':
if self.canvas.coords('paddle')[2] < 990:
self.canvas.move('paddle', +20, 0)
#def _move_ball1(self):
# call1()
#self._initiate_new_ball1()
def _move_ball(self):
# variables to determine where ball is in relation to other objects
ball = self.canvas.find_withtag('ball')[0]
bounds = self.canvas.find_overlapping(0, 0, 790, 600)
paddle = self.canvas.find_overlapping(
*self.canvas.coords('paddle'))
for brick in self.bricks.iterkeys():
self.bricks[brick] = self.canvas.find_overlapping(
*self.canvas.bbox(brick))
# calculate change in x,y values of ball
angle = self.angle - 120 # correct for quadrant IV
increment_x = cos(radians(angle)) * self.speed
increment_y = sin(radians(angle)) * self.speed
#self.level += choice([1])
#score=self.score
#score=0
# finite state machine to set ball state
if ball in bounds:
self.ball_state = 'moving'
for brick, hit in self.bricks.iteritems():
if ball in hit:
self.ball_state = 'hit_brick'
delete_brick = brick
elif ball in paddle:
self.ball_state = 'hit_wall'
elif (self.score) // 3 == 56:
self.canvas.create_text(
WIDTH / 4,
HEIGHT / 2.3,
text="CONGRATS!! GAME COMPLETED!",
font=("Helvetica", 20),
fill="orange")
self.canvas.create_text(WIDTH / 4,
HEIGHT / 2,
text=(self.score // 3),
font=("Helvetica", 20),
fill="red")
self.canvas.create_text(WIDTH / 4,
HEIGHT / 1.7,
text="YOUR SCORE ",
font=("Helvetica", 20),
fill="darkorange")
#image()
quit_to_exit()
call()
elif ball not in bounds:
if self.canvas.coords('ball')[1] < 600:
self.ball_state = 'hit_wall'
else:
self.ball_state = 'out_of_bounds'
#self.level += choice([1])
self.canvas.create_text(
WIDTH / 2.5,
HEIGHT / 2.3,
text="GAME OVER !!PLEASE CLOSE THE WINDOW TO RESTART!",
tag="cr2",
font=("Helvetica", 20),
fill="orange")
self.canvas.create_text(WIDTH / 4,
HEIGHT / 2,
text="YOUR SCORE IS",
tag="cr1",
font=("Helvetica", 20),
fill="orange")
self.canvas.create_text(WIDTH / 4,
HEIGHT / 1.7,
text=(self.score // 3) + 1,
tag="cr",
font=("Helvetica", 20),
fill="red")
quit_to_exit()
call()
self._initiate_new_ball()
#self.bind('<key>',self.game_over)
#game = Breakout()
#game.mainloop()
# handler for ball state
if self.ball_state is 'moving':
self.canvas.move('ball', increment_x, increment_y)
self.after(35, self._move_ball)
# self.level +=choice([1])
elif self.ball_state is 'hit_brick' or self.ball_state is 'hit_wall':
if self.ball_state == 'hit_brick':
self.canvas.delete(delete_brick)
del self.bricks[delete_brick]
self.canvas.move('ball', -increment_x, -increment_y)
# self.level += choice([1])
self.score += choice([1])
self.angle += choice([135])
self.canvas.delete("cr")
self.canvas.delete("cr1")
self.canvas.delete("cr2")
#canvas.create_text(WIDTH/4,HEIGHT/5,text="GAME OVER!")
self._move_ball()
class Breakout(Tk):
def __init__(self):
Tk.__init__(self)
self.geometry('400x400')
self.resizable(0, 0)
# game screen
self.canvas = Canvas(self, bg='black', width=400, height=400)
self.canvas.pack(expand=1, fill=BOTH)
# ball
self._initiate_new_ball()
# paddle
self.canvas.create_rectangle(175,
375,
225,
385,
fill='black',
outline='white',
tags='paddle')
self.bind('<Key>', self._move_paddle)
# bricks
self.bricks = {}
brick_coords = [5, 5, 35, 15]
for i in range(39):
self.canvas.create_rectangle(*brick_coords,
outline='white',
fill=('#{}'.format(
randint(100000, 999999))),
tags='brick' + str(i))
self.bricks['brick' + str(i)] = None
brick_coords[0] += 30
brick_coords[2] += 30
if brick_coords[2] > 395:
brick_coords[0] = 5
brick_coords[2] = 35
brick_coords[1] += 10
brick_coords[3] += 10
def _initiate_new_ball(self):
if self.canvas.find_withtag('ball'):
self.canvas.delete('ball')
self.x = 60
self.y = 100
self.angle = 140
self.speed = 5
self.canvas.create_oval(self.x,
self.y,
self.x + 10,
self.y + 10,
fill='lawn green',
outline='white',
tags='ball')
self.after(1000, self._move_ball)
def _move_paddle(self, event):
if event.keysym == 'Left':
if self.canvas.coords('paddle')[0] > 0:
self.canvas.move('paddle', -10, 0)
elif event.keysym == 'Right':
if self.canvas.coords('paddle')[2] < 400:
self.canvas.move('paddle', +10, 0)
def _move_ball(self):
# variables to determine where ball is in relation to other objects
ball = self.canvas.find_withtag('ball')[0]
bounds = self.canvas.find_overlapping(0, 0, 400, 400)
paddle = self.canvas.find_overlapping(*self.canvas.coords('paddle'))
for brick in self.bricks.iterkeys():
self.bricks[brick] = self.canvas.find_overlapping(
*self.canvas.bbox(brick))
# calculate change in x,y values of ball
angle = self.angle - 90 # correct for quadrant IV
increment_x = cos(radians(angle)) * self.speed
increment_y = sin(radians(angle)) * self.speed
# finite state machine to set ball state
if ball in bounds:
self.ball_state = 'moving'
for brick, hit in self.bricks.iteritems():
if ball in hit:
self.ball_state = 'hit_brick'
delete_brick = brick
elif ball in paddle:
self.ball_state = 'hit_wall'
elif ball not in bounds:
if self.canvas.coords('ball')[1] < 400:
self.ball_state = 'hit_wall'
else:
self.ball_state = 'out_of_bounds'
self._initiate_new_ball()
# handler for ball state
if self.ball_state is 'moving':
self.canvas.move('ball', increment_x, increment_y)
self.after(15, self._move_ball)
elif self.ball_state is 'hit_brick' or self.ball_state is 'hit_wall':
if self.ball_state == 'hit_brick':
self.canvas.delete(delete_brick)
del self.bricks[delete_brick]
self.canvas.move('ball', -increment_x, -increment_y)
self.angle += choice([119, 120, 121])
self._move_ball()
class Breakout(Tk):
def __init__(self):
Tk.__init__(self)
self.geometry('400x400')
self.resizable(0,0)
# game screen
self.canvas = Canvas(self, bg='black', width=400, height=400)
self.canvas.pack(expand=1, fill=BOTH)
# ball
self._initiate_new_ball()
# paddle
self.canvas.create_rectangle(175,375,225,385, fill='black',
outline='white', tags='paddle')
self.bind('<Key>', self._move_paddle)
# bricks
self.bricks = {}
brick_coords = [5,5,35,15]
for i in range(39):
self.canvas.create_rectangle(*brick_coords, outline='white',
fill=('#{}'.format(randint(100000,999999))),
tags='brick' + str(i))
self.bricks['brick' + str(i)] = None
brick_coords[0] += 30; brick_coords[2] += 30
if brick_coords[2] > 395:
brick_coords[0] = 5; brick_coords[2] = 35
brick_coords[1] += 10; brick_coords[3] += 10
def _initiate_new_ball(self):
if self.canvas.find_withtag('ball'):
self.canvas.delete('ball')
self.x = 60; self.y = 100
self.angle = 140; self.speed = 5
self.canvas.create_oval(self.x,self.y,self.x+10,self.y+10,
fill='lawn green', outline='white', tags='ball')
self.after(1000, self._move_ball)
def _move_paddle(self, event):
if event.keysym == 'Left':
if self.canvas.coords('paddle')[0] > 0:
self.canvas.move('paddle', -10, 0)
elif event.keysym == 'Right':
if self.canvas.coords('paddle')[2] < 400:
self.canvas.move('paddle', +10, 0)
def _move_ball(self):
# variables to determine where ball is in relation to other objects
ball = self.canvas.find_withtag('ball')[0]
bounds = self.canvas.find_overlapping(0,0,400,400)
paddle = self.canvas.find_overlapping(*self.canvas.coords('paddle'))
for brick in self.bricks.iterkeys():
self.bricks[brick] = self.canvas.find_overlapping(*self.canvas.bbox(brick))
# calculate change in x,y values of ball
angle = self.angle - 90 # correct for quadrant IV
increment_x = cos(radians(angle)) * self.speed
increment_y = sin(radians(angle)) * self.speed
# finite state machine to set ball state
if ball in bounds:
self.ball_state = 'moving'
for brick, hit in self.bricks.iteritems():
if ball in hit:
self.ball_state = 'hit_brick'
delete_brick = brick
elif ball in paddle:
self.ball_state = 'hit_wall'
elif ball not in bounds:
if self.canvas.coords('ball')[1] < 400:
self.ball_state = 'hit_wall'
else:
self.ball_state = 'out_of_bounds'
self._initiate_new_ball()
# handler for ball state
if self.ball_state is 'moving':
self.canvas.move('ball', increment_x, increment_y)
self.after(15, self._move_ball)
elif self.ball_state is 'hit_brick' or self.ball_state is 'hit_wall':
if self.ball_state == 'hit_brick':
self.canvas.delete(delete_brick)
del self.bricks[delete_brick]
self.canvas.move('ball', -increment_x, -increment_y)
self.angle += choice([119, 120, 121])
self._move_ball()
class MazePlannerCanvas(Frame):
"""
MazePlannerCanvas contains the main frontend workhorse functionality of the entire
application.
it allows the user to graphically place nodes and define the edges between them
"""
def __init__(self, parent, status=None, manager=DataStore()):
"""
Construct an instance of the MazePlannerCanvas
:param parent: The parent widget that the mazePlannerCanvas will sit in
:param status: The statusbar that will receive mouse updates
:type manager: DataStore
:return:
"""
Frame.__init__(self, parent)
self._manager = manager
self._canvas = Canvas(self, bg="grey", cursor="tcross")
self._canvas.pack(fill=BOTH, expand=1)
self._commands = {
(ControlSpecifier.DRAG_NODE, ExecutionStage.START) : self._begin_node_drag,
(ControlSpecifier.CREATE_EDGE, ExecutionStage.START) : self._begin_edge,
(ControlSpecifier.DRAG_NODE, ExecutionStage.END) : self._end_node_drag,
(ControlSpecifier.CREATE_EDGE, ExecutionStage.END) : self._end_edge,
(ControlSpecifier.DRAG_NODE, ExecutionStage.EXECUTE) : self._execute_drag,
(ControlSpecifier.CREATE_EDGE, ExecutionStage.EXECUTE) : self._execute_edge,
(ControlSpecifier.MENU, ExecutionStage.EXECUTE) : self._launch_menu,
(ControlSpecifier.CREATE_NODE, ExecutionStage.EXECUTE) : self.create_new_node,
}
self._commands = load_controls(self._commands)
self._edge_cache = \
{
"x_start" : None,
"y_start" : None,
"x_end" : None,
"y_end" : None,
"item_start" : None,
"item_end" : None,
"edge" : None
}
self._command_cache = None
self._cache = \
{
"item" : None,
"x" : 0,
"y" : 0,
"event" : None
}
self._status = status
self._edge_bindings = {}
self._node_listing = {}
self._object_listing = {}
self._curr_start = None
self._construct(parent)
def _construct(self, parent):
"""
Construct all of the event bindings and callbacks for mouse events
"""
self._canvas.focus_set()
self._canvas.bind("<B1-Motion>", lambda event, m_event=Input_Event.DRAG_M1: self._handle_mouse_events(m_event, event))
self._canvas.bind("<B2-Motion>", lambda event, m_event=Input_Event.DRAG_M2: self._handle_mouse_events(m_event, event))
self._canvas.bind("<B3-Motion>", lambda event, m_event=Input_Event.DRAG_M3: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonPress-2>", lambda event, m_event=Input_Event.CLICK_M2: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonRelease-2>", lambda event, m_event=Input_Event.RELEASE_M2: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonPress-1>", lambda event, m_event=Input_Event.CLICK_M1: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonPress-3>", lambda event, m_event=Input_Event.CLICK_M3: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonRelease-1>", lambda event, m_event=Input_Event.RELEASE_M1: self._handle_mouse_events(m_event, event))
self._canvas.bind("<ButtonRelease-3>", lambda event, m_event=Input_Event.RELEASE_M3: self._handle_mouse_events(m_event, event))
self._canvas.bind("<Return>", lambda event, m_event=Input_Event.RETURN: self._handle_mouse_events(m_event, event))
self._canvas.bind("<Double-Button-1>", lambda event, m_event=Input_Event.D_CLICK_M1: self._handle_mouse_events(m_event, event))
self._canvas.bind("<Double-Button-2>", lambda event, m_event=Input_Event.D_CLICK_M2: self._handle_mouse_events(m_event, event))
self._canvas.bind("<Double-Button-3>", lambda event, m_event=Input_Event.D_CLICK_M3: self._handle_mouse_events(m_event, event))
self._canvas.bind("<Motion>", lambda event, m_event=None : self._handle_mot(m_event, event))
self._canvas.bind("<Enter>", lambda event: self._canvas.focus_set())
self._canvas.bind("<space>", lambda event, m_event=Input_Event.SPACE: self._handle_mouse_events(m_event, event))
def _handle_mot(self, m_event, event):
"""
Callback function to handle movement of the mouse
Function updates the mouse location status bar as well as setting cache values to the current location
of the mouse
:m_event: The specifier for the type of event that has been generated
:event: The tk provided event object
"""
event.x = int(self._canvas.canvasx(event.x))
event.y = int(self._canvas.canvasy(event.y))
self._status.set_text("Mouse X:" + str(event.x) + "\tMouse Y:" + str(event.y))
item = self._get_current_item((event.x, event.y))
if self._is_node(item):
Debug.printi("Node: " + str(item), Debug.Level.INFO)
if self._is_edge(item):
d_x = self._edge_bindings[item].x_start - self._edge_bindings[item].x_end
d_y = self._edge_bindings[item].y_start - self._edge_bindings[item].y_end
square = (d_x * d_x) + (d_y * d_y)
distance = int(math.sqrt(square))
Debug.printi("Edge: " + str(item) + " | Source: "
+ str(self._edge_bindings[item].item_start) + " | Target: "
+ str(self._edge_bindings[item].item_end) + " | Length: "
+ str(distance))
self._cache["x"] = event.x
self._cache["y"] = event.y
def _handle_mouse_events(self, m_event, event):
"""
Function that routes mouse events to the appropriate handlers
Prints logging and UI information about the state of the mouse and then routes
the mouse event to the appropriate handler
:m_event: The specifier for the tupe of event that has been generated
:event: The tk provided event object
"""
event.x = int(self._canvas.canvasx(event.x))
event.y = int(self._canvas.canvasy(event.y))
self._status.set_text("Mouse X:" + str(self._cache["x"]) + "\tMouse Y:" + str(self._cache["y"]))
Debug.printet(event, m_event, Debug.Level.INFO)
self._cache["event"] = event
try:
self._commands[m_event]((event.x, event.y))
except KeyError:
Debug.printi("Warning, no control mapped to " + m_event, Debug.Level.ERROR)
self._command_cache = m_event
def _begin_node_drag(self, coords):
"""
Handles starting operations for dragging a node
Updates the cache information regarding a node drag event, we will used this cache value
as the handle on which node to update the information for
:coords: The mouse coordinates associated with this event
"""
# Determine which node has been selected, cache this information
item = self._get_current_item(coords)
if item in self._node_listing:
self._update_cache(item, coords)
def _end_node_drag(self, coords):
"""
Performs actions to complete a node drag operation
Validates node location, and other associated object information and updates the cache
when a node drag is completed
:coords: The coordinates associated with this event
"""
if self._cache["item"] is None:
return
# Obtain the final points
x = coords[0]
y = coords[1]
item = self._cache["item"]
self._validate_node_position(coords)
container = self._manager.request(DataStore.DATATYPE.NODE, item)
container.x_coordinate = x
container.y_coordinate = y
self._manager.inform(DataStore.EVENT.NODE_EDIT, container.empty_container(), self._cache["item"])
Debug.printi("Node " + str(self._cache["item"]) + " has been moved", Debug.Level.INFO)
# Clean the cache
self._clear_cache(coords)
def _validate_node_position(self, coords):
"""
if x < 0:
x = 0
if y < 0:
y = 0
if x > self._canvas.winfo_width():
x = self._canvas.winfo_width()-25
if y > self._canvas.winfo_height():
y = self._canvas.winfo_height()-25
self._canvas.move(item, x, y)
"""
pass
def _execute_drag(self, coords):
"""
Updates object position on canvas when user is dragging a node
:param coords: The coordinates associated with this event
"""
# Abort drag if the item is not a node
if self._cache["item"] not in self._node_listing:
return
# Update the drawing information
delta_x = coords[0] - self._cache["x"]
delta_y = coords[1] - self._cache["y"]
# move the object the appropriate amount as long as the drag event has not been done on the empty canvas
if not self._cache["item"] is None:
self._canvas.move(self._cache["item"], delta_x, delta_y)
# record the new position
self._cache["x"] = coords[0]
self._cache["y"] = coords[1]
self._update_attached_edges(self._cache["item"], coords)
self._update_attached_objects(self._cache["item"], coords)
def _update_attached_objects(self, item, coords):
if item not in self._object_listing:
return
container = self._manager.request(DataStore.DATATYPE.OBJECT, item)
container.x_coordinate = coords[0]
container.y_coordinate = coords[1]
self._manager.inform(DataStore.EVENT.OBJECT_EDIT, container.empty_container(), item)
def _update_attached_edges(self, node, coords):
"""
Updates all associated edges related to a node drag event
:param node: The node that has been dragged
:param coords: The mouse coordinates which are the new coordinates of the node
"""
# Go through dictionary and gather list of all attached edge bindings for a node
start_bindings = []
for key, binding in self._edge_bindings.iteritems():
if binding.item_start == node:
start_bindings.append(binding)
end_bindings = []
for key, binding in self._edge_bindings.iteritems():
if binding.item_end == node:
end_bindings.append(binding)
# Adjust the bindings with this node as the starting edge
for binding in start_bindings:
self._canvas.delete(binding.edge)
del self._edge_bindings[binding.edge]
old_edge = binding.edge
binding.edge = self._canvas.create_line(coords[0], coords[1], binding.x_end,
binding.y_end, tags="edge", activefill="RoyalBlue1", tag="edge")
self._edge_bindings[binding.edge] = binding
self._manager.update_key(DataStore.EVENT.EDGE_EDIT, binding.edge, old_edge)
binding.x_start = coords[0]
binding.y_start = coords[1]
# Adjust the bindings with this node as the ending edge
for binding in end_bindings:
self._canvas.delete(binding.edge)
del self._edge_bindings[binding.edge]
old_edge = binding.edge
binding.edge = self._canvas.create_line(binding.x_start, binding.y_start,
coords[0], coords[1], tags="edge", activefill="RoyalBlue1", tag="edge")
self._edge_bindings[binding.edge] = binding
self._manager.update_key(DataStore.EVENT.EDGE_EDIT, binding.edge, old_edge)
binding.x_end = coords[0]
binding.y_end = coords[1]
# Remember to adjust all of the edges so that they sit under the node images
self._canvas.tag_lower("edge")
def _launch_menu(self, coords):
"""
Callback function in response to the pressing of the Return key
Launches a context menu based on the location of the mouse
:param coords:
:return:
"""
# Configure the "static" menu entries -- they can't be static without seriously destroying readability
# due to the Python version that is being used -.- so now it has to be not optimal until I find a better
# solution
p_menu = Menu(self._canvas)
item = self._get_current_item((self._cache["x"], self._cache["y"]))
updated_coords = self._canvas_to_screen((self._cache["x"], self._cache["y"]))
if item is None:
# No node is currently selected, create the general menu
p_menu.add_command(label="Place Room", command=lambda: self.create_new_node((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete All", command=lambda: self.delete_all())
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
if self._is_node(item):
# Create the node specific menu
p_menu.add_command(label="Place Object", command=lambda: self._mark_object((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Edit Room", command=lambda: self._selection_operation((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete Room", command=lambda: self.delete_node(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.add_command(label="Mark as start", command=lambda: self._mark_start_node(self._get_current_item((self._cache["x"], self._cache["y"]))))
if self._is_object(item):
# Launch the node menu as well as an an added option for selecting stuff to edit an object
p_menu.add_command(label="Edit Object", command=lambda: self._edit_object(coords))
p_menu.add_command(label="Delete Object", command=lambda: self._delete_object(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.delete(0)
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
if self._is_edge(item):
p_menu.add_command(label="Edit Corridor", command=lambda: self._selection_operation((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete Corridor", command=lambda: self.delete_edge(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
self._clear_cache(coords)
def _edit_object(self, coords):
"""
Awkward moment when you find a threading related bug in the Tkinter library, caused by some
Tcl issue or something like that.
The below line must be left commented out otherwise the window_wait call in the dialog will crash
out with a Tcl ponter based issue :/
item = self._get_current_item((self._cache["x"], self._cache["y"]))
This means that we can only use the mouse to edit objects
"""
item = self._get_current_item(coords)
if item not in self._object_listing:
Debug.printi("Not a valid object to edit", Debug.Level.ERROR)
return
obj = ObjectDialog(self, coords[0] + 10, coords[1] + 10, populator=self._manager.request(DataStore.DATATYPE.OBJECT, item))
Debug.printi("Editing object " + str(item), Debug.Level.INFO)
self._manager.inform(DataStore.EVENT.OBJECT_EDIT, obj._entries, item)
Debug.printi("Editing object " + str(item), Debug.Level.INFO)
def _delete_object(self, item):
if item not in self._object_listing:
Debug.printi("Object does not exist to delete", Debug.Level.ERROR)
return
del self._object_listing[item]
self._manager.inform(DataStore.EVENT.OBJECT_DELETE, data_id=item)
self._canvas.itemconfig(item, outline="red", fill="black", activeoutline="black", activefill="red")
def _mark_object(self, coords, prog=False, data=None):
"""
Mark a node as containing an object
:param coords:
:return:
"""
# Retrieve the item
item = self._get_current_item(coords)
if not prog:
if item not in self._node_listing:
Debug.printi("Invalid object placement selection", Debug.Level.ERROR)
return
if item in self._object_listing:
Debug.printi("This room already has an object in it", Debug.Level.ERROR)
return
# Retrieve its coordinates
# Launch the object maker dialog
obj = ObjectDialog(self, coords[0] + 10, coords[1] + 10, populator=Containers.ObjectContainer(key_val={
"x_coordinate" : coords[0],
"y_coordinate" : coords[1],
"name" : "Object_"+str(item),
"mesh" : None,
"scale" : None
}))
entries = obj._entries
else:
entries = {
"x_coordinate": coords[0],
"y_coordinate": coords[1],
"name": data["name"],
"mesh": data["mesh"],
"scale": data["scale"]
}
# Save informatoin to the manager
self._manager.inform(DataStore.EVENT.OBJECT_CREATE, entries, item)
self._object_listing[item] = item
self._canvas.itemconfig(item, fill="blue")
Debug.printi("Object created in room " + str(item), Debug.Level.INFO)
def _valid_edge_cache(self):
"""
Return true if the edge cache contains a valid edge descriptor
A valid edge descriptor is when the edge has a valid starting node, if the
edge does not contain a valid starting node, this means that the edge was not
created in the proper manner and should thus be ignored by any edge operations
"""
valid = not self._edge_cache["item_start"] == (None,)
return valid
def _canvas_to_screen(self, coords):
"""
Convert canvas coordinates into screen coordinates
:param coords: The current canvas coordinates
:return:
"""
"""
# upper left corner of the visible region
x0 = self._canvas.winfo_rootx()
y0 = self._canvas.winfo_rooty()
# given a canvas coordinate cx/cy, convert it to window coordinates:
wx0 = x0 + coords[0]
wy0 = y0 + coords[1]
# upper left corner of the visible region
x0 = self._canvas.canvasx(0)
y0 = self._canvas.canvasy(0)
# given a canvas coordinate cx/cy, convert it to window coordinates:
wx0 = coords[0] - x0
wy0 = coords[1] - y0
#"""
return (self._cache["event"].x_root, self._cache["event"].y_root)
def _begin_edge(self, coords):
"""
Begin recording information regarding the placement of an edge
:param coords: The coordinates associated with this event
"""
# Record the starting node
self._edge_cache["item_start"] = self._get_current_item((self._cache["x"], self._cache["y"]))
# Abort the operation if the item was not a valid node to be selecting
if self._edge_cache["item_start"] is None or self._edge_cache["item_start"] not in self._node_listing:
self._clear_edge_cache()
return
self._edge_cache["x_start"] = self._cache["x"]
self._edge_cache["y_start"] = self._cache["y"]
def _end_edge(self, coords, prog=False, data=None):
"""
Perform the operations required to complete an edge creation operation
:param coords:
:return:
"""
# Check if the cursor is over a node, if so continue, else abort
curr = self._get_current_item((coords[0], coords[1]))
if not prog:
if curr is None or not self._valid_edge_cache() or curr not in self._node_listing:
# Abort the edge creation process
self._canvas.delete(self._edge_cache["edge"])
self._clear_edge_cache()
return
# Check if this edge already exists in the program
if self._check_duplicate_edges(self._edge_cache["item_start"], curr):
self.delete_edge(self._edge_cache["edge"])
Debug.printi("Multiple edges between rooms not permitted", Debug.Level.ERROR)
return
#Ensure that edges arent made between the same room
if curr == self._edge_cache["item_start"]:
Debug.printi("Cannot allow paths starting and ending in the same room", Debug.Level.ERROR)
return
self._canvas.tag_lower("edge")
self._edge_cache["item_end"] = curr
# Note that we use the edge ID as the key
self._edge_bindings[self._edge_cache["edge"]] = EdgeBind(self._edge_cache)
self._edge_bindings[self._edge_cache["edge"]].x_end = coords[0]
self._edge_bindings[self._edge_cache["edge"]].y_end = coords[1]
# Inform the manager
if not prog:
self._manager.inform(
DataStore.EVENT.EDGE_CREATE,
{
"source" : self._edge_cache["item_start"],
"target" : self._edge_cache["item_end"],
"height" : None,
"wall1" : {
"height":Defaults.Edge.WALL_HEIGHT,
"textures":{
Defaults.Wall.PATH: {
"path":Defaults.Wall.PATH,
"tile_x":Defaults.Wall.TILE_X,
"tile_y":Defaults.Wall.TILE_Y,
"height":None
}
}
} if Defaults.Config.EASY_MAZE else None,
"wall2" : {
"height": Defaults.Edge.WALL_HEIGHT,
"textures": {
Defaults.Wall.PATH: {
"path": Defaults.Wall.PATH,
"tile_x": Defaults.Wall.TILE_X,
"tile_y": Defaults.Wall.TILE_Y,
"height":None
}
}
}
} if Defaults.Config.EASY_MAZE else None,
self._edge_cache["edge"])
else:
# We are programmatically adding the edges in
self._manager.inform(
DataStore.EVENT.EDGE_CREATE,
{
"source": self._edge_cache["item_start"],
"target": self._edge_cache["item_end"],
"height": None,
"wall1": data["wall1"],
"wall2": data["wall2"]
},
self._edge_cache["edge"])
Debug.printi("Edge created between rooms "
+ str(self._edge_cache["item_start"])
+ " and "
+ str(self._edge_cache["item_end"])
, Debug.Level.INFO)
self._clear_edge_cache()
self._clear_cache(coords)
def _check_duplicate_edges(self, start_node, end_node):
for binding in self._edge_bindings.itervalues():
if ( start_node == binding.item_start and end_node == binding.item_end )\
or ( start_node == binding.item_end and end_node == binding.item_start):
return True
return False
def _execute_edge(self, coords):
"""
Perform the operations that occur during the motion of an edge drag
:param coords:
:return:
"""
# Update the line position
# We will update the line position by deleting and redrawing
if not self._valid_edge_cache():
return
self._canvas.delete(self._edge_cache["edge"])
self._edge_cache["edge"] = self._canvas.create_line( \
self._edge_cache["x_start"], self._edge_cache["y_start"],
coords[0]-1, coords[1]-1, tags="edge", activefill="RoyalBlue1", tag="edge")
d_x = self._edge_cache["x_start"] - coords[0]
d_y = self._edge_cache["y_start"] - coords[1]
square = (d_x * d_x) + (d_y * d_y)
distance = math.sqrt(square)
Debug.printi("Current corridor distance: " + str(int(distance)))
def _update_cache(self, item, coords):
"""
Update the local cache with the item id and coordinates of the mouse
:param item: The item with which to update the cache
:param coords: The current event coordinates
"""
self._cache["item"] = item
self._cache["x"] = coords[0]
self._cache["y"] = coords[1]
def _clear_cache(self, coords):
"""
Clear the cache
Set the cache values to the current mouse position and None the item
:param coords: The coordinates of the mouse at that event time
"""
self._cache["item"] = None
self._cache["x"] = coords[0]
self._cache["y"] = coords[1]
def _clear_edge_cache(self):
"""
Clear the edge cache to None for all values
:return:
"""
self._edge_cache["x_start"] = None,
self._edge_cache["y_start"] = None,
self._edge_cache["x_end"] = None,
self._edge_cache["y_end"] = None,
self._edge_cache["item_start"] = None,
self._edge_cache["item_end"] = None,
self._edge_cache["edge"] = None
def _get_current_item(self, coords):
"""
Return the item(if any) that the mouse is currently over
:param coords: The current coordinates of the mouse
:return:
"""
item = self._canvas.find_overlapping(coords[0]-1, coords[1]-1, coords[0]+1, coords[1]+1)
if item is ():
return None
# Hacky solution
# Return the first node that we come across, since they seem to be returned by tkinter
# in reverse order to their visual positioning, we'll go through the list backwards
for val in item[::-1]:
if val in self._node_listing:
return val
# Else, just return the first item and be done with it
return item[0]
def _is_node(self, obj):
"""
Returns true if the supplied object is a node
:param obj: The object id to id
:return:
"""
return obj in self._node_listing
def _is_edge(self, obj):
"""
Returns true if the supplied object is an edge
:param obj: The object id to id
:return:
"""
return obj in self._edge_bindings
def _is_object(self, obj):
"""
Returns true if the supplied object is an object
:param obj: The object id to id
:return:
"""
return obj in self._object_listing
def _get_obj_type(self, obj):
"""
Returns the Object type of the supplied object
:param obj: The object to identify
:return:
"""
if self._is_node(obj):
return EditableObject.NODE
if self._is_edge(obj):
return EditableObject.EDGE
if self._is_object(obj):
return EditableObject.OBJECT
return None
def _selection_operation(self, coords):
"""
Contextually create or edit a node
:param coords:
:return:
"""
# Determine the item ID
item = self._get_current_item(coords)
self._cache["item"] = item
true_coords = self._canvas_to_screen((self._cache["x"], self._cache["y"]))
if self._is_node(item):
Debug.printi("Node Selected : " + str(item) + " | Launching Editor", Debug.Level.INFO)
# Make request from object manager using the tag assigned
populator = self._manager.request(DataStore.DATATYPE.NODE, item)
updated_node = NodeDialog(self, true_coords[0] + 10, true_coords[1] + 10, populator=populator)
# post information to object manager, or let the dialog handle it, or whatever
self._manager.inform(DataStore.EVENT.NODE_EDIT, updated_node._entries, item)
return
if self._is_edge(item):
Debug.printi("Edge Selected : " + str(item) + " | Launching Editor", Debug.Level.INFO)
# Make a request from the object manager to populate the dialog
populator = self._manager.request(DataStore.DATATYPE.EDGE, item)
updated_edge = EdgeDialog(self, true_coords[0] + 10, true_coords[1] + 10, populator=populator)
# Make sure that information is posted to the object manager
self._manager.inform(DataStore.EVENT.EDGE_EDIT, updated_edge._entries, item)
return
if self._is_object(item):
self._edit_object(coords)
return
def create_new_node(self, coords, prog = False, data=None):
"""
Creates a new node on the Canvas and adds it to the datastore
:param coords:
:return:
"""
# Create the node on Canvas
self._cache["item"] = self._canvas.create_rectangle(coords[0], coords[1], coords[0]+25, coords[1]+25,
outline="red", fill="black", activeoutline="black", activefill="red", tag="node")
self._node_listing[self._cache["item"]] = self._cache["item"]
if not prog:
if not Defaults.Config.EASY_MAZE:
true_coords = self._canvas_to_screen((self._cache["x"], self._cache["y"]))
new_node = NodeDialog(self, true_coords[0] + 25, true_coords[1] + 25,
populator=Containers.NodeContainer(
{
"node_id": self._cache["item"],
"x_coordinate": self._cache["x"],
"y_coordinate": self._cache["y"],
"room_texture": None,
"wall_pictures": None
}))
entries = new_node._entries
else:
entries = {
"node_id": self._cache["item"],
"x_coordinate": self._cache["x"],
"y_coordinate": self._cache["y"],
"room_texture": Defaults.Node.ROOM_TEXTURE,
"wall_pictures": None
}
else:
pics = data[1]
data = data[0]
entries = {
"node_id": data["id"],
"x_coordinate": data["x"],
"y_coordinate": data["y"],
"room_texture": data["texture"],
"wall_pictures": pics
}
# Inform the datastore
self._manager.inform(DataStore.EVENT.NODE_CREATE, entries, self._cache["item"])
self._clear_cache(coords)
def delete_all(self):
"""
Delete all nodes and associated edges and objects from the canvas
"""
# Iterate over each node in the node listing and delete it using delete node
for key in self._node_listing.keys():
self.delete_node(key)
# Delete any rouge edge bindings that may exist
for binding in self._edge_bindings:
self.delete_edge(binding)
self._object_listing.clear()
# Delete any naughty objects that are left
self._canvas.delete("all")
self._manager.inform(DataStore.EVENT.DELETE_ALL)
def delete_node(self, node_id):
"""
Delete a node and all its associated edges and object from the canvas
:param node_id: The tkinter id of the node to be deleted
"""
# Delete from our internal representations
if node_id not in self._node_listing:
return
del self._node_listing[node_id]
# Delete from the canvas
self._canvas.delete(node_id)
# Iterate through the edge bindings and delete all of those
for key in self._edge_bindings.keys():
if self._edge_bindings[key].item_start == node_id or self._edge_bindings[key].item_end == node_id:
self.delete_edge(key)
# Inform the object manager that a node as been deleted
if node_id in self._object_listing:
self._delete_object(node_id)
self._manager.inform(DataStore.EVENT.NODE_DELETE, data_id=node_id)
def delete_edge(self, edge_id):
"""
Delete the specified edge from the MazeCanvas
:param edge_id: The edge to be deleted
:return:
"""
# Go through the edge bindings and delete the appropriate edge
try:
# try to delete the edge binding if it exists
del self._edge_bindings[edge_id]
except KeyError:
# Terrible I know, but I dont have the time to find the root cause
pass
# Delete the edge from the canvas
self._canvas.delete(edge_id)
# Inform the object manager that an edge has been deleted
self._manager.inform(DataStore.EVENT.EDGE_DELETE, data_id=edge_id)
def _mark_start_node(self, node_id):
"""
Mark the passed in node as the starting node
:param node_id:
:return:
"""
# Print the debug information
# Mark as the new starting node on the canvas, first check that it is a node
if node_id in self._node_listing:
Debug.printi("Node:" + str(node_id) + " has been marked as the new starting node", Debug.Level.INFO)
if self._curr_start is not None:
# Return the old starting node to its normal colour
self._canvas.itemconfig(self._curr_start, outline="red", fill="black", activeoutline="black", activefill="red")
self._curr_start = node_id
self._canvas.itemconfig(node_id, outline="black", fill="green", activeoutline="green", activefill="black")
# Inform the object manager that there is a new starting node
environment_container = self._manager.request(DataStore.DATATYPE.ENVIRONMENT)
environment_container.start_node = node_id
self._manager.inform(DataStore.EVENT.ENVIRONMENT_EDIT, environment_container)
class Application(Frame, object):
"""The application main class."""
WIDTH, HEIGHT = 1280, 720
BG = 'white'
FONT = 'Verdana'
FILE_OPEN_OPTIONS = {
'mode': 'rb',
'title': 'Choose *.json file',
'defaultextension': '.json',
'filetypes': [('JSON file', '*.json')]
}
DEFAULTS = 'default_settings.yaml'
def __init__(self, master=None):
"""Creates application main window with sizes self.WIDTH and self.HEIGHT.
:param master: instance - Tkinter.Tk instance
"""
super(Application, self).__init__(master)
self.master.title('Engine Game')
self.master.geometry('{}x{}'.format(self.WIDTH, self.HEIGHT))
self.master.protocol('WM_DELETE_WINDOW', self.exit)
self.source = None
self._map = None
self.points = None
self.lines = None
self.captured_point = None
self.x0 = None
self.y0 = None
self.scale_x = None
self.scale_y = None
self.font_size = None
self.coordinates = {}
self.captured_lines = {}
self.canvas_obj = AttrDict()
self.icons = {
0: PhotoImage(file=join('icons', 'player_city.png')),
1: PhotoImage(file=join('icons', 'city.png')),
2: PhotoImage(file=join('icons', 'market.png')),
3: PhotoImage(file=join('icons', 'store.png')),
4: PhotoImage(file=join('icons', 'point.png')),
5: PhotoImage(file=join('icons', 'player_train.png')),
6: PhotoImage(file=join('icons', 'train.png')),
7: PhotoImage(file=join('icons', 'crashed_train.png')),
8: PhotoImage(file=join('icons', 'collision.png')),
9: PhotoImage(file=join('icons', 'play.png')),
10: PhotoImage(file=join('icons', 'play_pressed.png')),
11: PhotoImage(file=join('icons', 'stop.png')),
12: PhotoImage(file=join('icons', 'stop_pressed.png'))
}
self.queue_requests = {
0: self.set_status_bar,
1: self.set_player_idx,
2: self.build_map,
3: self.refresh_map,
4: self.set_available_games,
99: self.bot_control
}
self.settings_window = None
if exists(expanduser(self.DEFAULTS)):
with open(expanduser(self.DEFAULTS), 'r') as cfg:
defaults = DefaultsDict.from_yaml(cfg)
self.host = None if not defaults.host else str(defaults.host)
self.port = None if not defaults.port else int(defaults.port)
self.timeout = None if not defaults.timeout else int(defaults.timeout)
self.username = None if not defaults.username else str(defaults.username)
self.password = None if not defaults.password else str(defaults.password)
else:
self.host, self.port, self.timeout, self.username, self.password = None, None, None, None, None
self.player_idx = None
self.posts = {}
self.trains = {}
self.select_game_window = False
self.available_games = None
self.game = None
self.num_players = None
self.num_turns = None
self.bot = Bot()
self.bot_thread = None
self.menu = Menu(self)
filemenu = Menu(self.menu)
filemenu.add_command(label='Open file', command=self.file_open)
filemenu.add_command(label='Server settings', command=self.open_server_settings)
filemenu.add_command(label='Select game', command=self.select_game)
filemenu.add_command(label='Exit', command=self.exit)
self.menu.add_cascade(label='Menu', menu=filemenu)
master.config(menu=self.menu)
self._status_bar = StringVar()
self.label = Label(master, textvariable=self._status_bar)
self.label.pack()
self.frame = Frame(self)
self.frame.bind('<Configure>', self._resize_frame)
self.canvas = Canvas(self.frame, bg=self.BG, scrollregion=(0, 0, self.winfo_width(), self.winfo_height()))
self.canvas.bind('<Button-1>', self._capture_point)
self.canvas.bind('<Motion>', self._move_point)
self.canvas.bind('<B1-ButtonRelease>', self._release_point)
self.canvas.bind('<Configure>', self._resize_canvas)
hbar = Scrollbar(self.frame, orient=HORIZONTAL)
hbar.pack(side=BOTTOM, fill=X)
hbar.config(command=self.canvas.xview)
vbar = Scrollbar(self.frame, orient=VERTICAL)
vbar.pack(side=RIGHT, fill=Y)
vbar.config(command=self.canvas.yview)
self.canvas.config(xscrollcommand=hbar.set, yscrollcommand=vbar.set)
self.canvas.pack(fill=BOTH, expand=True)
self.play = Label(self.canvas, bg='white')
self.play.configure(image=self.icons[9])
self.play.bind('<Button-1>', self._play_press)
self.play.bind('<B1-ButtonRelease>', self._play_release)
self.stop = Label(self.canvas, bg='white')
self.stop.configure(image=self.icons[11])
self.stop.bind('<Button-1>', self._stop_press)
self.stop.bind('<B1-ButtonRelease>', self._stop_release)
self.frame.pack(fill=BOTH, expand=True)
self.weighted = IntVar(value=1)
self.weighted_check = Checkbutton(self, text='Proportionally to length', variable=self.weighted,
command=self._proportionally)
self.weighted_check.pack(side=LEFT)
self.show_weight = IntVar()
self.show_weight_check = Checkbutton(self, text='Show length', variable=self.show_weight,
command=self.show_weights)
self.show_weight_check.pack(side=LEFT)
self.pack(fill=BOTH, expand=True)
self.requests_executor()
self.get_available_games()
self.set_status_bar('Click Play to start the game')
self.play.place(rely=0.5, relx=0.5, anchor=CENTER)
@property
def map(self):
"""Returns the actual map."""
return self._map
@map.setter
def map(self, value):
"""Clears previously drawn map and assigns a new map to self._map."""
self.clear_map()
self.canvas.configure(scrollregion=(0, 0, self.canvas.winfo_width(), self.canvas.winfo_height()))
self.x0, self.y0 = self.canvas.winfo_width() / 2, self.canvas.winfo_height() / 2
self._map = value
@staticmethod
def midpoint(x_start, y_start, x_end, y_end):
"""Calculates a midpoint coordinates between two points.
:param x_start: int - x coordinate of the start point
:param y_start: int - y coordinate of the start point
:param x_end: int - x coordinate of the end point
:param y_end: int - y coordinate of the end point
:return: 2-tuple of a midpoint coordinates
"""
return (x_start + x_end) / 2, (y_start + y_end) / 2
def _resize_frame(self, event):
"""Calculates new font size each time frame size changes.
:param event: Tkinter.Event - Tkinter.Event instance for Configure event
:return: None
"""
self.font_size = int(0.0125 * min(event.width, event.height))
def _resize_canvas(self, event):
"""Redraws map each time Canvas size changes. Scales map each time visible part of Canvas is enlarged.
:param event: Tkinter.Event - Tkinter.Event instance for Configure event
:return: None
"""
if self.map:
k = min(float(event.width) / float(self.x0 * 2), float(event.height) / float(self.y0 * 2))
self.scale_x, self.scale_y = self.scale_x * k, self.scale_y * k
self.x0, self.y0 = self.x0 * k, self.y0 * k
self.redraw_map()
self.redraw_trains()
x_start, y_start, x_end, y_end = self.canvas.bbox('all')
x_start = 0 if x_start > 0 else x_start
y_start = 0 if y_start > 0 else y_start
self.canvas.configure(scrollregion=(x_start, y_start, x_end, y_end))
def _proportionally(self):
"""Rebuilds map and redraws trains."""
self.build_map()
self.redraw_trains()
def _capture_point(self, event):
"""Stores captured point and it's lines.
:param event: Tkinter.Event - Tkinter.Event instance for ButtonPress event
:return: None
"""
x, y = self.canvas.canvasx(event.x), self.canvas.canvasy(event.y)
obj_ids = self.canvas.find_overlapping(x - 5, y - 5, x + 5, y + 5)
if not obj_ids:
return
for obj_id in obj_ids:
if obj_id in self.canvas_obj.point.keys():
self.captured_point = obj_id
point_idx = self.canvas_obj.point[obj_id]['idx']
self.captured_lines = {}
for line_id, attr in self.canvas_obj.line.items():
if attr['start_point'] == point_idx:
self.captured_lines[line_id] = 'start_point'
if attr['end_point'] == point_idx:
self.captured_lines[line_id] = 'end_point'
if self.weighted.get():
self.weighted.set(0)
def _release_point(self, event):
"""Writes new coordinates for a moved point and resets self.captured_point and self.captured_lines.
:param event: Tkinter.Event - Tkinter.Event instance for ButtonRelease event
:return: None
"""
if self.captured_point:
idx = self.canvas_obj.point[self.captured_point]['idx']
x, y = self.canvas.canvasx(event.x), self.canvas.canvasy(event.y)
self.coordinates[idx] = (x, y)
self.points[idx]['x'], self.points[idx]['y'] = (x - self.x0) / self.scale_x, (y - self.y0) / self.scale_y
self.captured_point = None
self.captured_lines = {}
def _move_point(self, event):
"""Moves point and its lines. Moves weights if self.show_weight is set to 1.
In case some point is moved beyond Canvas border Canvas scrollregion is resized correspondingly.
:param event: Tkinter.Event - Tkinter.Event instance for Motion event
:return: None
"""
if self.captured_point:
new_x, new_y = self.canvas.canvasx(event.x), self.canvas.canvasy(event.y)
self.canvas.coords(self.captured_point, new_x, new_y)
indent_y = self.icons[self.canvas_obj.point[self.captured_point]['icon']].height() / 2 + self.font_size
if self.canvas_obj.point[self.captured_point]['text_obj']:
self.canvas.coords(self.canvas_obj.point[self.captured_point]['text_obj'], new_x, new_y - indent_y)
self.coordinates[self.canvas_obj.point[self.captured_point]['idx']] = (new_x, new_y)
self.canvas.configure(scrollregion=self.canvas.bbox('all'))
for line_id, attr in self.captured_lines.items():
line_attrs = self.canvas_obj.line[line_id]
if attr == 'start_point':
x, y = self.coordinates[line_attrs['end_point']]
self.canvas.coords(line_id, new_x, new_y, x, y)
else:
x, y = self.coordinates[line_attrs['start_point']]
self.canvas.coords(line_id, x, y, new_x, new_y)
if self.show_weight.get():
mid_x, mid_y = self.midpoint(new_x, new_y, x, y)
self.canvas.coords(line_attrs['weight_obj'][1], mid_x, mid_y)
r = self.font_size * len(str(line_attrs['weight']))
self.canvas.coords(line_attrs['weight_obj'][0], mid_x - r, mid_y - r, mid_x + r, mid_y + r)
self.redraw_trains()
def _play_press(self, _):
"""Draws play button pressed icon."""
self.play.configure(image=self.icons[10])
def _play_release(self, _):
"""Draws play button icon and calls bot_control method."""
self.play.configure(image=self.icons[9])
self.bot_control()
def _stop_press(self, _):
"""Draws stop button pressed icon."""
self.stop.configure(image=self.icons[12])
def _stop_release(self, _):
"""Draws stop buton icon and calls bot_control method."""
self.stop.configure(image=self.icons[11])
self.bot_control()
def set_player_idx(self, value):
"""Sets a player idx value."""
self.player_idx = value
def file_open(self):
"""Opens file dialog and builds and draws a map once a file is chosen. Stops bot if its started."""
path = tkFileDialog.askopenfile(parent=self.master, **self.FILE_OPEN_OPTIONS)
if path:
if self.bot_thread:
self.bot_control()
self.posts, self.trains = {}, {}
self.source = path.name
self.weighted_check.configure(state=NORMAL)
self.build_map()
def open_server_settings(self):
"""Opens server settings window."""
ServerSettings(self, title='Server settings')
def select_game(self):
"""Opens select game window."""
self.select_game_window = True
SelectGame(self, title='Select game')
self.select_game_window = False
self.set_status_bar('Click Play to start the game')
def exit(self):
"""Closes application and stops bot if its started."""
if self.bot_thread:
self.bot_control()
self.master.destroy()
def bot_control(self):
"""Starts bot for playing the game or stops it if it is started."""
if not self.bot_thread:
self.bot_thread = Thread(target=self.bot.start, kwargs={
'host': self.host,
'port': self.port,
'time_out': self.timeout,
'username': self.username,
'password': self.password,
'game': self.game,
'num_players': self.num_players,
'num_turns': self.num_turns})
self.bot_thread.start()
else:
self.bot.stop()
self.bot_thread.join()
self.bot_thread = None
def get_available_games(self):
"""Requests a list of available games."""
if self.select_game_window:
self.bot.get_available_games(host=self.host, port=self.port, time_out=self.timeout)
self.after(1000, self.get_available_games)
def set_available_games(self, games):
"""Sets new value for available games list."""
self.available_games = games
def set_status_bar(self, value):
"""Assigns new status bar value and updates it.
:param value: string - status bar string value
:return: None
"""
self._status_bar.set(value)
self.label.update()
def build_map(self, source=None):
"""Builds and draws new map.
:param source: string - source string; could be JSON string or path to *.json file.
:return: None
"""
if source:
self.source = source
if self.source:
self.map = Graph(self.source, weighted=self.weighted.get())
self.set_status_bar('Map title: {}'.format(self.map.name))
self.points, self.lines = self.map.get_coordinates()
self.draw_map()
def draw_map(self):
"""Draws map by prepared coordinates."""
self.draw_lines()
self.draw_points()
def clear_map(self):
"""Clears previously drawn map and resets coordinates and scales."""
self.canvas.delete('all')
self.scale_x, self.scale_y = None, None
self.coordinates = {}
def redraw_map(self):
"""Redraws existing map by existing coordinates."""
if self.map:
self.coordinates = {}
for obj_id in self.canvas_obj.line:
self.canvas.delete(obj_id)
self.draw_lines()
self.redraw_points()
def redraw_points(self):
"""Redraws map points by existing coordinates."""
if self.map:
for obj_id, attrs in self.canvas_obj.point.items():
if attrs['text_obj']:
self.canvas.delete(attrs['text_obj'])
self.canvas.delete(obj_id)
self.draw_points()
def redraw_trains(self):
"""Redraws existing trains."""
if self.trains and hasattr(self.canvas_obj, 'train'):
for obj_id, attrs in self.canvas_obj.train.items():
self.canvas.delete(attrs['text_obj'])
self.canvas.delete(obj_id)
self.draw_trains()
@prepare_coordinates
def draw_points(self):
"""Draws map points by prepared coordinates."""
point_objs = {}
captured_point_idx = self.canvas_obj.point[self.captured_point]['idx'] if self.captured_point else None
for idx in self.points.keys():
x, y = self.coordinates[idx]
if self.posts and idx in self.posts.keys():
post_type = self.posts[idx]['type']
if post_type == 1:
status = '{}/{} {}/{} {}/{}'.format(self.posts[idx]['population'],
self.posts[idx]['population_capacity'],
self.posts[idx]['product'],
self.posts[idx]['product_capacity'],
self.posts[idx]['armor'],
self.posts[idx]['armor_capacity'])
elif post_type == 2:
status = '{}/{}'.format(self.posts[idx]['product'], self.posts[idx]['product_capacity'])
else:
status = '{}/{}'.format(self.posts[idx]['armor'], self.posts[idx]['armor_capacity'])
image_id = 0 if post_type == 1 and self.posts[idx]['player_idx'] == self.player_idx else post_type
point_id = self.canvas.create_image(x, y, image=self.icons[image_id])
y -= (self.icons[post_type].height() / 2) + self.font_size
text_id = self.canvas.create_text(x, y, text=status, font="{} {}".format(self.FONT, self.font_size))
else:
post_type = 4
point_id = self.canvas.create_image(x, y, image=self.icons[post_type])
text_id = None
point_objs[point_id] = {'idx': idx, 'text_obj': text_id, 'icon': post_type}
self.captured_point = point_id if idx == captured_point_idx else self.captured_point
self.canvas_obj['point'] = point_objs
@prepare_coordinates
def draw_lines(self):
"""Draws map lines by prepared coordinates and shows their weights if self.show_weight is set to 1."""
line_objs, captured_lines_idx = {}, {}
if self.captured_lines:
for line_id in self.captured_lines.keys():
captured_lines_idx[self.canvas_obj.line[line_id]['idx']] = line_id
for idx, attrs in self.lines.items():
x_start, y_start = self.coordinates[attrs['start_point']]
x_stop, y_stop = self.coordinates[attrs['end_point']]
line_id = self.canvas.create_line(x_start, y_start, x_stop, y_stop)
line_objs[line_id] = {'idx': idx, 'weight': attrs['weight'], 'start_point': attrs['start_point'],
'end_point': attrs['end_point'], 'weight_obj': ()}
if idx in captured_lines_idx.keys():
self.captured_lines[line_id] = self.captured_lines.pop(captured_lines_idx[idx])
self.canvas_obj['line'] = line_objs
self.show_weights()
@prepare_coordinates
def draw_trains(self):
"""Draws trains by prepared coordinates."""
trains = {}
for train in self.trains.values():
start_point = self.lines[train['line_idx']]['start_point']
end_point = self.lines[train['line_idx']]['end_point']
weight = self.lines[train['line_idx']]['weight']
position = train['position']
x_start, y_start = self.coordinates[start_point]
x_end, y_end = self.coordinates[end_point]
delta_x, delta_y = int((x_start - x_end) / weight) * position, int((y_start - y_end) / weight) * position
x, y = x_start - delta_x, y_start - delta_y
if train['cooldown'] > 0:
icon = 7
status = None
else:
icon = 5 if train['player_idx'] == self.player_idx else 6
status = '{}/{}'.format(train['goods'], train['goods_capacity'])
indent_y = self.icons[icon].height() / 2
train_id = self.canvas.create_image(x, y - indent_y, image=self.icons[icon])
text_id = self.canvas.create_text(x, y - (2 * indent_y + self.font_size), text=status,
font="{} {}".format(self.FONT, self.font_size)) if status else None
trains[train_id] = {'icon': icon, 'text_obj': text_id}
self.canvas_obj['train'] = trains
def show_weights(self):
"""Shows line weights when self.show_weight is set to 1 and hides them when it is set to 0."""
if not self.canvas_obj:
return
if self.show_weight.get():
for line in self.canvas_obj.line.values():
if line['weight_obj']:
for obj in line['weight_obj']:
self.canvas.itemconfigure(obj, state='normal')
else:
x_start, y_start = self.coordinates[line['start_point']]
x_end, y_end = self.coordinates[line['end_point']]
x, y = self.midpoint(x_start, y_start, x_end, y_end)
value = line['weight']
size = self.font_size
r = int(size) * len(str(value))
oval_id = self.canvas.create_oval(x - r, y - r, x + r, y + r, fill=self.BG, width=0)
text_id = self.canvas.create_text(x, y, text=value, font="{} {}".format(self.FONT, str(size)))
line['weight_obj'] = (oval_id, text_id)
else:
for line in self.canvas_obj.line.values():
if line['weight_obj']:
for obj in line['weight_obj']:
self.canvas.itemconfigure(obj, state='hidden')
def requests_executor(self):
"""Dequeues and executes requests. Assigns corresponding label to bot control button."""
if not self.bot.queue.empty():
request_type, request_body = self.bot.queue.get_nowait()
if request_type == 99 and request_body:
self.open_server_settings()
request_body = None
if request_body is not None:
self.queue_requests[request_type](request_body)
else:
self.queue_requests[request_type]()
if self.bot_thread and self.bot_thread.is_alive():
if self.play.place_info():
self.play.place_forget()
self.stop.place(rely=0.99, relx=0.995, anchor=SE)
else:
if self.stop.place_info():
self.stop.place_forget()
self.play.place(rely=0.5, relx=0.5, anchor=CENTER)
self.after(50, self.requests_executor)
def refresh_map(self, dynamic_objects):
"""Refreshes map with passed dynamic objects.
:param dynamic_objects: dict - dict of dynamic objects
:return: None
"""
for post in dynamic_objects['posts']:
self.posts[post['point_idx']] = post
for train in dynamic_objects['trains']:
self.trains[train['idx']] = train
self.redraw_points()
self.redraw_trains()
