├── .gitignore ├── .replit ├── LICENSE ├── README.md ├── extradata.json ├── images ├── barriers.png ├── game.png ├── gameover.png ├── gameplay.gif ├── menu.png └── title.png ├── menu.py ├── notes.txt └── snake.py /.gitignore: -------------------------------------------------------------------------------- 1 | /options.json 2 | /scores.json 3 | /__pycache__/ -------------------------------------------------------------------------------- /.replit: -------------------------------------------------------------------------------- 1 | run="sleep 0.5; python3 snake.py" -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## Snake game in the terminal! 2 | ![gameplay video](https://raw.githubusercontent.com/ading2210/snake-cli/master/images/gameplay.gif) 3 | 4 | This is a snake game in the cli, written in python. 5 | 6 | Play it at https://replit.com/@UniqueOstrich18/CLI-Snake 7 | 8 | ### Controls: 9 | - WASD to control the snake 10 | - X to quit game 11 | - Arrow keys to navigate in menus 12 | - C on title screen to access settings 13 | 14 | ### Features 15 | - Uses box drawing characters to draw the snake, so you can actually tell which direction the snake is going in 16 | - Built in options menu 17 | - Customizable difficulty 18 | - Barrier mode also available 19 | 20 | ### Installing and running 21 | 1. If on Windows you must install curses by running `pip3 install windows-curses`. 22 | 2. Clone this repository. 23 | 3. Run `python3 snake.py` to run the game. 24 | -------------------------------------------------------------------------------- /extradata.json: -------------------------------------------------------------------------------- 1 | { 2 | "directionalControls": { 3 | "w": "north", 4 | "a": "west", 5 | "s": "south", 6 | "d": "east" 7 | }, 8 | "directionalOpposites": { 9 | "north": "south", 10 | "east": "west", 11 | "south": "north", 12 | "west": "east" 13 | }, 14 | "displayCharactersASCII": { 15 | "horizontal": "═", 16 | "vertical": "║", 17 | "north-west": "╝", 18 | "south-west": "╗", 19 | "north-east": "╚", 20 | "south-east": "╔", 21 | "barrier": "▒" 22 | }, 23 | "horizontalDirections": ["east", "west"], 24 | "verticalDirections": ["north", "south"], 25 | "north-west": ["north", "west"], 26 | "north-east": ["north", "east"], 27 | "south-west": ["south", "west"], 28 | "south-east": ["south", "east"], 29 | 30 | "titleText": [ 31 | "┌───────┐┌──┐ ┌─┐┌───────┐┌───┐ ┌─┐┌───────┐", 32 | "│ ││ └┐ │ ││ ┌─┐ ││ │ │ ││ │", 33 | "│ ┌─────┘│ └─┘ ││ └─┘ ││ └─┘ ││ ┌───┘", 34 | "│ └─────┐│ ││ ││ ┌─┘│ └───┐", 35 | "└─────┐ ││ ┌─┐ ││ ││ └─┐│ ┌───┘", 36 | "┌─────┘ ││ │ └┐ ││ ┌─┐ ││ ┌─┐ ││ └───┐", 37 | "└───────┘└─┘ └──┘└──┘ └──┘└───┘ └─┘└───────┘"], 38 | "mainMenuText": "Press any key to start, c for options", 39 | "mainMenuText2": "Press x to quit", 40 | "optionsTitleText": "Customize Game:", 41 | "optionsMenuItems": [ 42 | { 43 | "name": "Gradually speed up snake", 44 | "id": "increase_difficulty", 45 | "type": "toggle", 46 | "save": true, 47 | "default": "True" 48 | }, 49 | { 50 | "name": "Extra turn before hitting a obstacle", 51 | "id": "extra_turn", 52 | "type": "toggle", 53 | "save": true, 54 | "default": "True" 55 | }, 56 | { 57 | "name": "Snake speed", 58 | "id": "speed", 59 | "type": "choice", 60 | "choices": ["Slow", "Normal", "Fast"], 61 | "save": true, 62 | "default": "Normal" 63 | }, 64 | { 65 | "name": "Generate barriers", 66 | "id": "create_barriers", 67 | "type": "toggle", 68 | "save": true, 69 | "default": "False" 70 | }, 71 | { 72 | "name": "Play sound when food is eaten", 73 | "id": "play_sound", 74 | "type": "toggle", 75 | "save": true, 76 | "default": "True" 77 | }, 78 | { 79 | "name": "Amount of food", 80 | "id": "food_count", 81 | "type": "choice", 82 | "choices": ["1", "3", "5"], 83 | "save": true, 84 | "default": "1" 85 | }, 86 | { 87 | "name": "line", 88 | "id": "line1", 89 | "type": "line", 90 | "save": false, 91 | "default": "" 92 | }, 93 | { 94 | "name": "Credits", 95 | "id": "credits", 96 | "type": "text", 97 | "save": false, 98 | "default": 99 | ["All programming has been done by me.", 100 | "The curses library is used for input handling", 101 | "and displaying graphics.", 102 | "", 103 | "Accounts:", 104 | "Repl.it: @UniqueOstrich18", 105 | "Github: ading2210"] 106 | }, 107 | { 108 | "name": "Controls", 109 | "id": "controls", 110 | "type": "text", 111 | "save": false, 112 | "default": 113 | [" - WASD to move snake", 114 | " - X to quit game", 115 | "", 116 | "Tip: You can make the snake move faster by moving it", 117 | "in the same direction it is already going in."] 118 | } 119 | ] 120 | } -------------------------------------------------------------------------------- /images/barriers.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/barriers.png -------------------------------------------------------------------------------- /images/game.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/game.png -------------------------------------------------------------------------------- /images/gameover.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/gameover.png -------------------------------------------------------------------------------- /images/gameplay.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/gameplay.gif -------------------------------------------------------------------------------- /images/menu.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/menu.png -------------------------------------------------------------------------------- /images/title.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ading2210/snake-cli/d886098f2be5d405e20af3f50d15252dfb49bbb9/images/title.png -------------------------------------------------------------------------------- /menu.py: -------------------------------------------------------------------------------- 1 | import curses 2 | 3 | class Menu: 4 | def __init__(self, window): 5 | self.title = "default" 6 | self.footer = "default" 7 | self.items = [] 8 | self.window = window 9 | self.rows, self.cols = self.window.getmaxyx() 10 | self.index = 0 11 | self.selected = -1 12 | 13 | def appendItem(self, item): 14 | self.items.append(item) 15 | 16 | def editItem(self, new, index): 17 | self.items[index] = new 18 | 19 | def delItem(self, new, index): 20 | del self.items[index] 21 | 22 | def setFooter(self, footer): 23 | self.footer = footer 24 | 25 | def setTitle(self, title): 26 | self.title = title 27 | 28 | def increaseIndex(self): 29 | self.index = self.index+1 30 | if self.index == len(self.items): 31 | self.index = 0 32 | 33 | def decreaseIndex(self): 34 | self.index = self.index-1 35 | if self.index < 0: 36 | self.index = len(self.items)-1 37 | 38 | def setSelected(self, index): 39 | self.selected = index 40 | 41 | def currentItem(self): 42 | return self.items[self.index] 43 | 44 | def currentItemText(self): 45 | currentItem = self.currentItem() 46 | if type(currentItem) is dict: 47 | return currentItem["name"] 48 | else: 49 | return currentItem 50 | 51 | def refresh(self): 52 | #clear window 53 | self.window.clear() 54 | 55 | #calculate where to place the title 56 | titleLength = len(self.title) 57 | x = int(round(self.cols/2) - round(titleLength/2)) 58 | 59 | #draw title 60 | self.window.addstr(0, x, self.title, curses.A_BOLD) 61 | 62 | #draw spacer 63 | self.window.addstr(1, 0, "═"*self.cols) 64 | 65 | #create menu items 66 | for i in range(0, len(self.items)): 67 | item = self.items[i] 68 | if type(item) is dict: 69 | self.window.addstr(i+2, 0, item["name"]) 70 | else: 71 | self.window.addstr(i+2, 0, item) 72 | 73 | #create text at bottom of screen 74 | self.window.addstr(self.rows-3, 0, "═"*self.cols) 75 | self.window.addstr(self.rows-2, 0, self.footer) 76 | 77 | #do highlighting 78 | for i in range(0, len(self.items)): 79 | self.window.chgat(i+2, 0, -1, curses.A_NORMAL) 80 | self.window.chgat(self.index+2, 0, -1, curses.A_REVERSE) 81 | if self.selected > -1: 82 | self.window.chgat(self.selected+2, 0, -1, curses.A_UNDERLINE) 83 | 84 | #refresh window 85 | self.window.refresh() -------------------------------------------------------------------------------- /notes.txt: -------------------------------------------------------------------------------- 1 | Data format for the board: 2 | - -2 = barrier 3 | - -1 = food 4 | - 0 = nothing 5 | - 1+ = part of the snake - the number represents the number of ticks until the snake part disappears 6 | 7 | Data format for options menu items: 8 | - Multiple choice 9 | { 10 | "name": "multiple choice", 11 | "id":"multple_choice", 12 | "type": "choice", 13 | "choices": ["a", "b", "c"], 14 | "default": "a" 15 | } 16 | - True/False 17 | { 18 | "name": " true/false", 19 | "id":"boolean", 20 | "type": "toggle", 21 | "default": "True" 22 | } 23 | - Plain Text 24 | { 25 | "name": "text demo", 26 | "id":"text_demo", 27 | "type": "text", 28 | "default": ["text goes here"] 29 | } 30 | - Horizontal line: 31 | { 32 | "name": "line", 33 | "id":"line1", 34 | "type": "line", 35 | "default": "" 36 | } 37 | 38 | Note for generic menu items: 39 | - Both str and dict work, the only thing that is displayed for dicts is the "name" value 40 | 41 | Note about high scores: 42 | - High scores are associated with a hash of the options file, so that each high score is unique to the configuration of the game 43 | 44 | TODO: 45 | - add win detection -------------------------------------------------------------------------------- /snake.py: -------------------------------------------------------------------------------- 1 | import os, random, json, time, threading, curses, traceback, menu, hashlib, copy 2 | 3 | class Game: 4 | def __init__(self): 5 | #load extradata.json 6 | self.basePath = os.path.abspath(os.path.dirname(__file__)) 7 | f = open(self.basePath+"/extradata.json", encoding="utf-8") 8 | self.data = json.load(f) 9 | f.close() 10 | 11 | self.options = {} 12 | 13 | #read default values for variables 14 | self.defaultOptions = {} 15 | for item in self.data["optionsMenuItems"]: 16 | if item["save"] == True: 17 | self.defaultOptions[item["id"]] = item["default"] 18 | 19 | #read options.json 20 | if os.path.exists(self.basePath+"/options.json"): 21 | self.loadOptions() 22 | else: 23 | self.saveOptions(options=self.defaultOptions) 24 | self.options = dict(self.defaultOptions) 25 | 26 | #set display size 27 | self.width = 17 28 | self.height = 13 29 | 30 | #set up curses 31 | self.setupCurses() 32 | 33 | #ansi escape codes to hightlight stuff 34 | self.hightlight = "\033[7m" 35 | self.reset = "\033[0m" 36 | 37 | self.resetGame() 38 | 39 | def resetGame(self): 40 | #create blank board to be used internally 41 | self.blankBoard = [] 42 | for y in range(0, self.height): 43 | self.blankBoard.append([]) 44 | for x in range(0, self.width): 45 | self.blankBoard[y].append(0) 46 | #copies blank board to main board 47 | self.board = self.blankBoard[:] 48 | 49 | #create displayed board 50 | self.blankdisplayBoard = [] 51 | for y in range(0, self.height): 52 | self.blankdisplayBoard.append([]) 53 | for x in range(0, self.width*2): 54 | self.blankdisplayBoard[y].append(" ") 55 | self.displayBoard = self.blankdisplayBoard[:] 56 | 57 | #define variables 58 | self.length = 1 59 | self.direction = "east" 60 | self.previousDirection = "east" 61 | self.stop = False 62 | self.resetTimer = False 63 | self.score = 0 64 | self.delay = 50 65 | self.extra_turn = False 66 | self.extra_turn_active = False 67 | self.inputQueue = [] 68 | self.currentHighScore = 0 69 | self.playSound = False 70 | self.foodCount = 1 71 | 72 | self.applyOptions() 73 | 74 | 75 | def applyOptions(self): 76 | if self.options["speed"] == "Normal": 77 | self.delay = 25 78 | elif self.options["speed"] == "Fast": 79 | self.delay = 15 80 | elif self.options["speed"] == "Slow": 81 | self.delay = 40 82 | if self.options["extra_turn"] == "True": 83 | self.extra_turn = True 84 | self.extra_turn_active = False 85 | if self.options["play_sound"] == "True": 86 | self.playSound = True 87 | self.foodCount = int(self.options["food_count"]) 88 | 89 | #function to set up curses 90 | def setupCurses(self): 91 | #configure curses 92 | self.screen = curses.initscr() 93 | curses.curs_set(0) 94 | curses.cbreak() 95 | curses.noecho() 96 | 97 | #get size of screen 98 | self.rows, self.cols = self.screen.getmaxyx() 99 | 100 | #function to print board 101 | def printBoard(self): 102 | #refresh score display 103 | scoreText = "Score: {score} | Best: {highScore}".format( 104 | score=str(self.score), highScore=self.currentHighScore) 105 | self.scoreDisplay.addstr(0, 0, scoreText) 106 | self.scoreDisplay.refresh() 107 | 108 | #refresh game window 109 | rows = [] 110 | for y in range(0, self.height): 111 | rows.append("".join(map(str,self.displayBoard[y]))) 112 | for y in range(0, len(rows)): 113 | self.gameWindow.addstr(y+1, 1, rows[y]) 114 | self.gameWindow.border() 115 | self.gameWindow.refresh() 116 | 117 | #function to set a pixel on the board 118 | def setPixel(self, x, y, content): 119 | self.board[y][x] = content 120 | 121 | #function to get the value of a pixel 122 | def getPixel(self, x, y): 123 | return self.board[y][x] 124 | 125 | #set the value of a pixel on the screen 126 | def setDisplayPixel(self, x, y, content): 127 | self.displayBoard[y][x*2] = content 128 | def setDisplayPixelNoScaling(self, x, y, content): 129 | self.displayBoard[y][x] = content 130 | 131 | #get the value of a pixel on the screen 132 | def getDisplayPixel(self, x, y): 133 | return self.displayBoard[y][x] 134 | 135 | #function to generate a food pellet 136 | def generateFood(self, count=1): 137 | eligible_tiles = [] 138 | for y in range(0, self.height): 139 | for x in range(0, self.width): 140 | #checks to see if tile is eligible 141 | if self.board[y][x] == 0: 142 | #if so, then the tile is appended to a list of eligible tiles 143 | eligible_tiles.append((y,x)) 144 | 145 | if len(eligible_tiles) > 0: 146 | #one tile is chosen and the food is placed 147 | tiles = random.sample(eligible_tiles, min(count, len(eligible_tiles))) 148 | for tile in tiles: 149 | y, x = tile 150 | self.setPixel(x, y, -1) 151 | self.setDisplayPixel(x, y, "$") 152 | 153 | #this function generates a barrier, which is basically 154 | #the same as the previous function 155 | def generateBarrier(self): 156 | eligible_tiles = [] 157 | for y in range(0, self.height): 158 | for x in range(0, self.width): 159 | #checks to see if tile is eligible 160 | tiles = ((y+1,x),(y-1,x),(y,x+1),(y,x-1),(y,x), 161 | (y+1,x-1),(y+1,x+1),(y-1,x-1),(y-1,x+1)) 162 | counter = 0 163 | #checks every adjacent tile to see if it is occupied 164 | for tile in tiles: 165 | if tile[0] >= self.height or tile[0] < 0: 166 | break 167 | elif tile[1] >= self.width or tile[1] < 0: 168 | break 169 | if self.board[tile[0]][tile[1]] != 0: 170 | break 171 | counter += 1 172 | #if all adjacent tiles are empty, the tile is appended 173 | #to a list of eligible tiles 174 | if counter == 9: 175 | eligible_tiles.append((y,x)) 176 | 177 | if len(eligible_tiles) > 0: 178 | #one tile is chosen and the barrier is placed 179 | y, x = random.choice(eligible_tiles) 180 | self.setPixel(x, y, -2) 181 | self.setDisplayPixel(x, y, self.data["displayCharactersASCII"]["barrier"]) 182 | self.setDisplayPixelNoScaling(x*2-1, y, self.data["displayCharactersASCII"]["barrier"]) 183 | 184 | #function to set up game 185 | def setupGame(self): 186 | #load the previous high score 187 | self.currentHighScore = self.loadHighScore() 188 | self.oldHighScore = self.currentHighScore 189 | 190 | #calculate where to place main window 191 | windowWidth = self.width*2 + 1 192 | self.windowStart = int(round(self.cols/2) - round(windowWidth/2)) 193 | 194 | #configure main game window 195 | self.gameWindow = curses.newwin(self.height+2, windowWidth, 1, self.windowStart) 196 | self.gameWindow.border() 197 | 198 | #configure score display 199 | self.scoreDisplay = curses.newwin(1, self.width*2+2, 0, self.windowStart) 200 | 201 | #reset some variables 202 | self.length = 4 203 | self.score = 0 204 | self.board = self.blankBoard[:] 205 | self.displayBoard = self.blankdisplayBoard[:] 206 | 207 | #sets the location of the head of the snake 208 | self.head = [int(self.width/2), int(self.height/2)] 209 | 210 | #sets the direction 211 | self.direction = "east" 212 | self.previousDirection = "east" 213 | 214 | #generate first food pellet 215 | self.generateFood(self.foodCount) 216 | 217 | #set game window to nodelay mode 218 | self.gameWindow.nodelay(True) 219 | 220 | #function to handle game tick 221 | def tick(self): 222 | #check if direction change is valid, if not then correct it 223 | if self.direction == self.data["directionalOpposites"][self.previousDirection]: 224 | self.direction = self.previousDirection[:] 225 | 226 | #places head in new position and check that the head doesnt 227 | #run into the border 228 | previousX = self.head[0] 229 | previousY = self.head[1] 230 | newHead = self.head[:] 231 | if self.direction == "east": 232 | #move self.head 233 | newHead[0] = self.head[0]+1 234 | #checks if head is next to wall 235 | if newHead[0] >= self.width: 236 | #if so, then game over 237 | return False 238 | #above comments applicable to code below 239 | elif self.direction == "west": 240 | newHead[0] = self.head[0]-1 241 | if newHead[0] <= -1: 242 | return False 243 | elif self.direction == "north": 244 | newHead[1] = self.head[1]-1 245 | if newHead[1] <= -1: 246 | return False 247 | else: #note: fallback direction is south 248 | newHead[1] = self.head[1]+1 249 | if newHead[1] >= self.height: 250 | return False 251 | #checks if snake has run into a barrier 252 | if self.board[newHead[1]][newHead[0]] == -2: 253 | return False 254 | 255 | #checks to see if snake has run into itself 256 | if self.board[newHead[1]][newHead[0]] > 0: 257 | return False 258 | 259 | self.head = newHead[:] 260 | 261 | #checks if snake has run into food and update score 262 | if self.board[self.head[1]][self.head[0]] == -1: 263 | self.generateFood() 264 | self.length += 1 265 | self.score += 1 266 | if self.playSound == True: 267 | curses.beep() 268 | if self.score > self.currentHighScore: 269 | self.currentHighScore = self.score 270 | #iterate through the board 271 | for y in range(0, self.height): 272 | for x in range(0, self.width): 273 | #if pixel contains a snake piece, increase the time until it despawns 274 | if self.getPixel(x, y) > 0: 275 | self.setPixel(x, y, self.getPixel(x, y)+1) 276 | 277 | #place a barrier every other point 278 | if self.options["create_barriers"] == "True": 279 | if self.score%2 == 0: 280 | self.generateBarrier() 281 | 282 | #increase diffuculty, ignore if disabled 283 | if self.options["increase_difficulty"] == "True": 284 | if self.score%5 == 0: 285 | #change amount of delay depending on diffuculty 286 | self.delay = int(self.delay*0.95) 287 | 288 | #iterates through board and decreases the ticks remaining 289 | #for each part of the snake 290 | for y in range(0, self.height): 291 | for x in range(0, self.width): 292 | if self.getPixel(x, y) > 0: 293 | #updates the value of the snake piece 294 | self.setPixel(x, y, self.getPixel(x, y)-1) 295 | #clears a pixel on the display 296 | if self.getPixel(x, y) == 0: 297 | self.setDisplayPixel(x, y, " ") 298 | #fix this later plz 299 | self.setDisplayPixelNoScaling(x*2-1, y, " ") 300 | 301 | #display food 302 | for y in range(0, self.height): 303 | for x in range(0, self.width): 304 | if self.getPixel(x, y) == -1: 305 | self.setDisplayPixel(x, y, "$") 306 | 307 | #updates location of head internally 308 | self.setPixel(self.head[0], self.head[1], self.length) 309 | 310 | newX = self.head[0] 311 | newY = self.head[1] 312 | #updates location of head on display, using direction to determine 313 | #the ascii character used 314 | #check if snake is going horizontally 315 | if self.direction in self.data["horizontalDirections"]: 316 | #set the head on the display to the correct character 317 | self.setDisplayPixel(newX, newY, self.data["displayCharactersASCII"]["horizontal"]) 318 | if self.direction != "west" or self.direction == self.previousDirection: 319 | self.setDisplayPixelNoScaling(newX*2-1, newY, self.data["displayCharactersASCII"]["horizontal"]) 320 | if self.direction != "west" and self.direction == self.previousDirection: 321 | self.setDisplayPixelNoScaling(newX*2-1, newY, self.data["displayCharactersASCII"]["horizontal"]) 322 | elif self.direction == "west" and self.direction == self.previousDirection: 323 | self.setDisplayPixelNoScaling(newX*2+1, newY, self.data["displayCharactersASCII"]["horizontal"]) 324 | else: #if not then the snake is going vertially 325 | self.setDisplayPixel(newX, newY, self.data["displayCharactersASCII"]["vertical"]) 326 | 327 | #check if snake has turned 328 | if not self.direction == self.previousDirection: 329 | if self.direction == "west" and self.previousDirection in self.data["verticalDirections"]: 330 | self.setDisplayPixelNoScaling(previousX*2-1, previousY, self.data["displayCharactersASCII"]["horizontal"]) 331 | #uhhh idk why this works but it does 332 | if sorted([self.direction, self.data["directionalOpposites"][self.previousDirection]]) == sorted(self.data["north-west"]): 333 | self.setDisplayPixel(previousX, previousY, self.data["displayCharactersASCII"]["north-west"]) 334 | #basically the same code as above 335 | elif sorted([self.direction, self.data["directionalOpposites"][self.previousDirection]]) == sorted(self.data["south-west"]): 336 | self.setDisplayPixel(previousX, previousY, self.data["displayCharactersASCII"]["south-west"]) 337 | 338 | elif sorted([self.direction, self.data["directionalOpposites"][self.previousDirection]]) == sorted(self.data["north-east"]): 339 | self.setDisplayPixel(previousX, previousY, self.data["displayCharactersASCII"]["north-east"]) 340 | self.setDisplayPixelNoScaling(previousX*2-1, previousY, " ") 341 | 342 | elif sorted([self.direction, self.data["directionalOpposites"][self.previousDirection]]) == sorted(self.data["south-east"]): 343 | self.setDisplayPixel(previousX, previousY, self.data["displayCharactersASCII"]["south-east"]) 344 | self.setDisplayPixelNoScaling(previousX*2-1, previousY, " ") 345 | 346 | else: #fall back to using # 347 | self.setDisplayPixel(previousX, previousY, "#") 348 | 349 | #return True if tick successful 350 | self.previousDirection = self.direction[:] 351 | return True 352 | 353 | def gameOverHandler(self): 354 | #save the new high score if it is higher than the old one 355 | if self.score > self.oldHighScore: 356 | self.saveHighScore(self.score) 357 | 358 | #turn off nodelay mode for game window 359 | self.gameWindow.nodelay(False) 360 | 361 | #calculate where to place window 362 | windowHeight = 4 363 | windowWidth = 20 364 | y = int(round((self.height+2)/2 - windowHeight/2)) 365 | x = int(round((self.width*2+2)/2 - (windowWidth)/2)) + self.windowStart 366 | 367 | #display a window saying GAME OVER 368 | self.gameOverWindow = curses.newwin(windowHeight, windowWidth, y, x) 369 | self.gameOverWindow.border() 370 | self.gameOverWindow.addstr(1, 1, " GAME OVER ") 371 | self.gameOverWindow.addstr(2, 1, "Play Again? [Y/N]") 372 | self.gameOverWindow.refresh() 373 | 374 | def mainMenuHandler(self): 375 | #calculate where to place the title 376 | titleLength = len(max(self.data["titleText"], key=len)) 377 | x = int(round(self.cols/2) - round(titleLength/2)) 378 | 379 | #create window for title 380 | self.titleWindow = curses.newwin(7, titleLength+1, 0, x) 381 | 382 | #add text to window 383 | for i in range(0, len(self.data["titleText"])): 384 | self.titleWindow.addstr(i, 0, self.data["titleText"][i]) 385 | 386 | #create window displaying main menu text 387 | self.mainMenuWindow = curses.newwin(self.rows-8, self.cols, 8, 0) 388 | self.mainMenuWindow2 = curses.newwin(self.rows-9, self.cols, 9, 0) 389 | 390 | #calculate where to place text 391 | text = self.data["mainMenuText"] 392 | text2 = self.data["mainMenuText2"] 393 | textStart = int(round(self.cols/2) - round(len(text)/2)) 394 | textStart2 = int(round(self.cols/2) - round(len(text2)/2)) 395 | self.mainMenuWindow.addstr(0, textStart, text) 396 | self.mainMenuWindow2.addstr(0, textStart2, text2) 397 | 398 | #refresh windows 399 | self.titleWindow.refresh() 400 | self.mainMenuWindow.refresh() 401 | self.mainMenuWindow2.refresh() 402 | 403 | #wait until keypress to continue 404 | key = self.mainMenuWindow.getkey() 405 | 406 | #hide windows 407 | self.titleWindow.clear() 408 | self.mainMenuWindow.clear() 409 | self.mainMenuWindow2.clear() 410 | self.titleWindow.refresh() 411 | self.mainMenuWindow.refresh() 412 | self.mainMenuWindow2.refresh() 413 | 414 | return key 415 | 416 | def optionsScreen(self): 417 | items = self.data["optionsMenuItems"] 418 | #create window for menu 419 | self.optionsMenuWindow = curses.newwin(self.rows, self.cols, 0, 0) 420 | self.optionsMenuWindow.keypad(1) 421 | self.optionsMenu = menu.Menu(self.optionsMenuWindow) 422 | 423 | #set up options menu 424 | self.optionsMenu.setTitle("Configure game:") 425 | self.optionsMenu.setFooter("Use arrow keys to navigate. Enter to select. X to exit.") 426 | 427 | #set items 428 | for item in items: 429 | if item["type"] == "line": 430 | item = "─"*self.cols 431 | self.optionsMenu.appendItem(item) 432 | continue 433 | newitem = copy.copy(item) 434 | if item["type"] != "text": 435 | newitem["oldName"] = newitem["name"] 436 | newitem["name"] = newitem["name"]+" ({value})".format(value=self.options[newitem["id"]]) 437 | self.optionsMenu.appendItem(newitem) 438 | self.optionsMenu.appendItem("─"*self.cols) 439 | self.optionsMenu.appendItem("Reset to default") 440 | self.optionsMenu.appendItem("Reset high scores") 441 | self.optionsMenu.appendItem("Save and exit") 442 | self.optionsMenu.refresh() 443 | 444 | #loop to handle inputs 445 | while True: 446 | key = self.optionsMenuWindow.getch() 447 | 448 | if key == ord("x"): 449 | break 450 | elif key == curses.KEY_UP or key == 450: #up 451 | self.optionsMenu.decreaseIndex() 452 | if self.optionsMenu.currentItemText() == "─"*self.cols: 453 | self.optionsMenu.decreaseIndex() 454 | elif key == curses.KEY_DOWN or key == 456: #down 455 | self.optionsMenu.increaseIndex() 456 | if self.optionsMenu.currentItemText() == "─"*self.cols: 457 | self.optionsMenu.increaseIndex() 458 | 459 | elif key == 10 or key == 13: #enter 460 | item = self.optionsMenu.items[self.optionsMenu.index] 461 | 462 | if item == "Reset high scores": 463 | if os.path.exists(self.basePath+"/scores.json"): 464 | os.remove(self.basePath+"/scores.json") 465 | item = { 466 | "name": "Reset high scores", 467 | "id": "popup", 468 | "type": "text", 469 | "default": ["The saved high scores have been cleared."], 470 | "oldName": "Reset high scores" 471 | } 472 | if item == "Save and exit": 473 | break 474 | elif item == "Reset to default": 475 | self.saveOptions(options=self.defaultOptions) 476 | self.options = dict(self.defaultOptions) 477 | elif item == "─"*self.cols: 478 | continue 479 | else: 480 | #raise Exception(item) 481 | #create submenu 482 | submenuWindow = curses.newwin(self.rows, self.cols, 0, 0) 483 | submenuWindow.keypad(1) 484 | submenu = menu.Menu(submenuWindow) 485 | submenu.setTitle("Submenu: "+item["name"]) 486 | submenu.setFooter("Use arrow keys to navigate. Enter to select. X to exit.") 487 | 488 | #create items in submenu 489 | if item["type"] == "toggle": 490 | submenu.items = ["True", "False", "─"*self.cols] + ["<- Back"] 491 | elif item["type"] == "choice": 492 | submenu.items = item["choices"] + ["─"*self.cols] + ["<- Back"] 493 | 494 | elif item["type"] == "text": 495 | submenu.items = item["default"] 496 | submenu.items = submenu.items + ["─"*self.cols] + ["<- Back"] 497 | 498 | #hide main options menu 499 | self.optionsMenuWindow.clear() 500 | self.optionsMenuWindow.refresh() 501 | 502 | #show submenu 503 | if item["type"] == "text": 504 | submenu.decreaseIndex() 505 | submenu.refresh() 506 | 507 | #main loop for submenu 508 | while True: 509 | #get key 510 | key = submenuWindow.getch() 511 | 512 | #if x is pressed then exit menu 513 | if key == ord("x"): 514 | break 515 | if item["type"] != "text": 516 | if key == curses.KEY_UP or key == 450: #up 517 | submenu.decreaseIndex() 518 | if submenu.currentItem() == "─"*self.cols: 519 | submenu.decreaseIndex() 520 | if key == curses.KEY_DOWN or key == 456: #down 521 | submenu.increaseIndex() 522 | if submenu.currentItem() == "─"*self.cols: 523 | submenu.increaseIndex() 524 | 525 | #this is run when the enter key is pressed 526 | if key == 10 or key == 13: 527 | currentItem = submenu.currentItem() 528 | 529 | #check the type of the item 530 | #if it is a string, then proceed 531 | #break if back is selected 532 | if currentItem == "<- Back": 533 | break 534 | else: 535 | optionsMenuItems = self.data["optionsMenuItems"] 536 | #change the appropriate value in the options 537 | for menuItem in optionsMenuItems: 538 | if menuItem["id"] == item["id"]: 539 | self.options[menuItem["id"]] = currentItem 540 | break 541 | if type(currentItem) is dict: 542 | pass 543 | break 544 | submenu.refresh() 545 | 546 | #update menu with new options 547 | counter = 0 548 | for item in self.optionsMenu.items: 549 | if type(item) is dict: 550 | if item == "Save and exit.": 551 | continue 552 | elif item == "Reset to default": 553 | continue 554 | if item["type"] != "text": 555 | item["name"] = item["oldName"]+" ({value})".format(value=self.options[item["id"]]) 556 | self.optionsMenu.editItem(item, counter) 557 | counter = counter+1 558 | else: 559 | continue 560 | 561 | #refresh 562 | self.optionsMenu.refresh() 563 | 564 | #apply new options when done 565 | self.saveOptions() 566 | self.applyOptions() 567 | 568 | #hide windows 569 | self.optionsMenuWindow.clear() 570 | self.optionsMenuWindow.refresh() 571 | 572 | def saveOptions(self, options=None): 573 | if options == None: 574 | options = self.options 575 | 576 | with open(self.basePath+"/options.json", "w") as outfile: 577 | json.dump(options, outfile, indent=2) 578 | 579 | def loadOptions(self): 580 | optionsFile = open(self.basePath+"/options.json") 581 | self.options = json.load(optionsFile) 582 | optionsFile.close() 583 | 584 | for option in self.data["optionsMenuItems"]: 585 | if not option["id"] in self.options and option["save"] == True: 586 | self.options[option["id"]] = option["default"] 587 | 588 | def saveHighScore(self, score): 589 | #read the options file and get the hash 590 | optionsFile = open(self.basePath+"/options.json") 591 | optionsString = optionsFile.read() 592 | optionsStringEncoded = optionsString.encode("utf-8") 593 | optionsFile.close() 594 | optionsHash = hashlib.sha1(optionsStringEncoded).hexdigest() 595 | 596 | #read the scores.json file if it exists 597 | if os.path.exists(self.basePath+"/scores.json"): 598 | scoresFile = open(self.basePath+"/scores.json") 599 | scoresString = scoresFile.read() 600 | scoresFile.close() 601 | scores = json.loads(scoresString) 602 | else: 603 | scores = {} 604 | 605 | #write the new score 606 | scores[optionsHash] = score 607 | with open(self.basePath+"/scores.json", "w") as outfile: 608 | json.dump(scores, outfile, indent=2) 609 | 610 | def loadHighScore(self): 611 | #read the options file and get the hash 612 | optionsFile = open(self.basePath+"/options.json") 613 | optionsString = optionsFile.read() 614 | optionsStringEncoded = optionsString.encode("utf-8") 615 | optionsFile.close() 616 | optionsHash = hashlib.sha1(optionsStringEncoded).hexdigest() 617 | 618 | #read the scores.json file if it exists 619 | if os.path.exists(self.basePath+"/scores.json"): 620 | scoresFile = open(self.basePath+"/scores.json") 621 | scoresString = scoresFile.read() 622 | scoresFile.close() 623 | scores = json.loads(scoresString) 624 | else: 625 | #create it if it does not exist 626 | scores = {} 627 | with open(self.basePath+"/scores.json", "w") as outfile: 628 | json.dump(scores, outfile, indent=2) 629 | 630 | #return the score 631 | if optionsHash in scores: 632 | return scores[optionsHash] 633 | else: 634 | return 0 635 | 636 | def getInput(self): 637 | while self.stop == False: 638 | #get keyboard input 639 | key = self.gameWindow.getch() 640 | 641 | #convert int to ascii 642 | if key > 0: 643 | keyString = chr(key) 644 | else: 645 | keyString = "" 646 | if self.stop == True: 647 | break 648 | 649 | #process keyboard input 650 | if keyString in self.data["directionalControls"]: 651 | newDirection = self.data["directionalControls"][keyString] 652 | #if key is valid add it to the input queue 653 | if len(self.inputQueue) < 2: 654 | self.inputQueue.append(newDirection) 655 | 656 | #break if key x is pressed 657 | elif keyString == "x": 658 | self.stop = True 659 | self.resetTimer = True 660 | break 661 | 662 | #sleep for a bit so we don't waste cpu 663 | time.sleep(0.01) 664 | 665 | #main program function 666 | def main(self): 667 | self.resetGame() 668 | #show main menu screen 669 | curses.flushinp() 670 | key = self.mainMenuHandler() 671 | #show options screen if key pressed 672 | if key == "c": 673 | self.optionsScreen() 674 | elif key == "x": 675 | return 676 | 677 | #set up game 678 | self.setupGame() 679 | self.previousDirection = "east" 680 | self.tick() 681 | self.printBoard() 682 | 683 | #start thread for input 684 | self.thread = threading.Thread(target=self.getInput) 685 | self.thread.start() 686 | 687 | #start main program loop 688 | tickCounter = 0 689 | while True: 690 | #debug code 691 | #tickCounter += 1 692 | #self.gameWindow.addstr(0, 0, str(tickCounter)) 693 | 694 | #idk how to do fancy stuff with threading, this works anyways 695 | #basically it sleeps for a bit and checks if the timer 696 | #has to be reset due to an input 697 | for i in range(0, self.delay): 698 | time.sleep(0.01) 699 | if self.resetTimer == True: 700 | break 701 | if self.resetTimer == True: 702 | self.resetTimer = False 703 | continue 704 | 705 | #stop if this condition is met 706 | if self.stop == True: 707 | break 708 | 709 | if len(self.inputQueue) > 0: 710 | self.direction = self.inputQueue.pop(0) 711 | 712 | #run a tick and stop if game over 713 | if self.tick() == False: 714 | #do not game over if the extra turn is enabled 715 | if (self.extra_turn == True and self.extra_turn_active == False): 716 | self.extra_turn_active = True 717 | else: 718 | self.gameOverHandler() 719 | self.stop = True 720 | break 721 | #break 722 | else: 723 | self.extra_turn_active = False 724 | 725 | #refresh the board 726 | self.printBoard() 727 | 728 | #display game over screen 729 | curses.flushinp() 730 | self.gameOverHandler() 731 | 732 | #program will terminate after any key pressed 733 | self.stop = True 734 | self.gameWindow.nodelay(0) 735 | while True: 736 | char = self.gameWindow.getkey() 737 | if char == "y": 738 | self.screen.clear() 739 | self.screen.refresh() 740 | return True 741 | elif char == "n": 742 | return False 743 | 744 | #run the game if this is the main thread 745 | if __name__ == "__main__": 746 | try: 747 | #start main program loop 748 | game = Game() 749 | while game.main(): pass 750 | 751 | #when game ends quit curses 752 | curses.endwin() 753 | 754 | #quit curses and print exception if there was an error 755 | except Exception: 756 | curses.endwin() 757 | traceback.print_exc() 758 | game.stop = True --------------------------------------------------------------------------------