added UserInterface menu, firtst working version

Author: bison--

snake.py

@@ -1,7 +1,11 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
-import os, sys, random
+
+import os
+import sys
+import random
 import pygame
+from ui import ui
 from pygame.sprite import Sprite
 
 #sys.stdout = os.devnull
@@ -50,6 +54,8 @@ class game(object):
 	def __init__(self):
 		self.screen = None
 		self.playerBox = None
+		self.ui = None
+		
 
 	def move(self, direction):
 		#print 'direction:', direction
@@ -138,14 +144,9 @@ def headDied(self, elements):
 				f.write(highscores)
 				f.close()
 
-			lines = ['GAME OVER', 'POINTS: ' + str(scores), "HIGHSCORE "+highscores, "Button / Keyboard: 1 = Speed Up", "Button / Keyboard: 2 = Speed Down", "R = restart / respawn", 'Q = Quit / Exit']
-			fontSize = 30
-			fnt = pygame.font.SysFont("MS Comic Sans", fontSize)
-			xPos = (self.SCREEN_WIDTH / 2)
-			#print fnt.size(resultText)
-			for i in range(len(lines)):
-				txt = lines[i]
-				self.screen.blit(fnt.render(txt, 1, (0,0,255)), ( xPos - (fnt.size(txt)[0] / 2), 250 +(i * fontSize)))
+			
+			self.iUi.addSimpleMenu("gameOver", ["GAME OVER", "POINTS: " + str(scores), "HIGHSCORE "+highscores, "Button / Keyboard: 1 = Speed Up", "Button / Keyboard: 2 = Speed Down", "R = restart / respawn", "Q = Quit / Exit"])
+			self.iUi.draw("gameOver")
 
 		return dead
 
@@ -187,10 +188,14 @@ def run_game(self):
 		pygame.mouse.set_visible(False)
 
 		self.screen = pygame.display.set_mode( (self.SCREEN_WIDTH, self.SCREEN_HEIGHT), 0, 32)
-		pygame.display.toggle_fullscreen()
+		#TODO: make it optional
+		#pygame.display.toggle_fullscreen()
 		clock = pygame.time.Clock()
 		redrawCount = 0
 
+		# init the menu, add stuff later
+		self.iUi = ui(self.screen)
+		
 		pygame.joystick.init()
 		self.myJoystick = None
 		self.joystick_names = []

ui.py

@@ -0,0 +1,108 @@
+#!/usr/bin/env python
+
+# notes:
+# The Ten Commandments Of Video Game Menus http://kotaku.com/5955855/the-ten-commandments-of-video-game-menus
+
+import pygame
+import sys
+
+class ui(object):
+	def __init__(self, screen):
+		
+		# the main screen, result from:
+		# pygame.display.set_mode(...)
+		self._screen = screen
+		self.keymap = {pygame.K_UP:1, pygame.K_RIGHT:2, pygame.K_DOWN:3, pygame.K_LEFT:4}
+		
+		self.nextAction = None
+		
+		self.menus = {}
+		
+	def interaction(self, eventKey):
+		canInteract = False
+		
+		if eventKey in self.keymap:
+			canInteract = True
+			nextAction = self.keymap[eventKey]
+		else:
+			# reset the action if multiple times pressed keys before
+			# actually did something
+			self.nextAction = None
+			
+		return canInteract
+	
+	def addMenu(self, menuKey, menuRows):
+		''' add an menu
+		menuKey: unique name of the menu
+		menueRows: [
+					{"rowName":"title", "selectable":False, "font":"MS Comic Sans", "fontSize":30, "color":(0,0,255), "text":"UserInterfaceGenerator"},
+					{"rowName":"start", "selectable":True, "font":"MS Comic Sans", "fontSize":30, "color":(0,0,255), "text":"Start Game"},
+					{"rowName":"q", "selectable":True, "font":"MS Comic Sans", "fontSize":30, "color":(123,55,255), "text":"QUIT"}
+					]
+		'''
+		self.menus[menuKey] = menuRows
+
+	def addSimpleMenu(self, menuKey, menuRows, font="MS Comic Sans", size=30, color=(245, 101, 44)):
+		''' add an SIMPLE menu
+		menuKey: unique name of the menu
+		menueRows: ["You Shall", "NOT PASS"]
+		'''
+		menu = []
+		rowCount = 0
+		for row in menuRows:
+			menu.append({"rowName":"simple_" + str(rowCount), "selectable":False, "font":font, "fontSize":size, "color":color, "text":row})
+		
+		self.menus[menuKey] = menu
+	
+	def draw(self, menuKey):
+		if menuKey in self.menus:
+			menuToDraw = self.menus[menuKey]
+			
+			#print fnt.size(resultText)
+			menuRowsCount = len(menuToDraw)
+			for i in range(menuRowsCount):
+				fontSize = menuToDraw[i]["fontSize"]
+				fnt = pygame.font.SysFont(menuToDraw[i]["font"] , fontSize)
+				xPos = (self._screen.get_width() / 2)
+				yPos = (self._screen.get_height() / 30) * menuRowsCount
+				txt = menuToDraw[i]["text"]
+				self._screen.blit(fnt.render(txt, 1, menuToDraw[i]["color"]), ( xPos - (fnt.size(txt)[0] / 2), yPos +(i * fontSize)))
+		else:
+			raise Exception("Error menu '"+ menuKey +"' does not exist")
+		
+if __name__ == "__main__":
+	pygame.init()
+	screen = pygame.display.set_mode( (1024, 768), 0, 32)
+	clock = pygame.time.Clock()
+	
+	BG_COLOR = (8, 13, 41)
+	
+	iUi = ui(screen)
+	iUi.addMenu("main", [
+						{"rowName":"title", "selectable":False, "font":"MS Comic Sans", "fontSize":30, "color":(0,0,255), "text":"UserInterfaceGenerator"},
+						{"rowName":"start", "selectable":True, "font":"MS Comic Sans", "fontSize":30, "color":(0,0,255), "text":"Start Game"},
+						{"rowName":"q", "selectable":True, "font":"MS Comic Sans", "fontSize":30, "color":(123,55,255), "text":"QUIT"}
+						]
+				)
+	
+	while True:	
+		# Limit frame speed to 50 FPS
+		time_passed = clock.tick(50)
+		screen.fill(BG_COLOR)
+		
+		for event in pygame.event.get():
+			if event.type == pygame.QUIT:
+				sys.exit()
+
+			elif event.type == pygame.KEYDOWN:
+				if iUi.interaction(event.key):
+					print "UI catched this key"
+				else:
+					print "no UI catch, key pressed:", event.key
+					
+					if event.key == pygame.K_q:
+						sys.exit(0)
+						
+		iUi.draw("main")
+		
+		pygame.display.flip()