<style>
</style>
</head><body>
-<pre id="terminal" style="display: inline-block; color: white; background-color: black;"></pre>
+<div>
+movement: <select id="WASD_selector" name="WASD_selector" >
+<option value="w, a, s, d" selected>w, a, s, d</option>
+<option value="arrow keys">arrow keys</option>
+</select>
+rows: <input id="n_rows" type="number" step=2 min=10 value=24 />
+cols: <input id="n_cols" type="number" step=4 min=20 value=80 />
+</div>
+<pre id="terminal" style="display: inline-block;"></pre>
<script>
"use strict";
let websocket_location = "ws://localhost:8000";
let terminal = {
rows: 24,
cols: 80,
+ foreground: 'white',
+ background: 'black',
initialize: function() {
this.pre_el = document.getElementById("terminal");
+ this.pre_el.style.color = this.foreground;
+ this.pre_el.style.backgroundColor = this.background;
this.content = [];
let line = []
for (let y = 0, x = 0; y <= this.rows; x++) {
line.push(' ');
}
},
+ blink_screen: function() {
+ this.pre_el.style.color = this.background;
+ this.pre_el.style.backgroundColor = this.foreground;
+ setTimeout(() => {
+ this.pre_el.style.color = this.foreground;
+ this.pre_el.style.backgroundColor = this.background;
+ }, 100);
+ },
refresh: function() {
let pre_string = '';
for (let y = 0; y < this.rows; y++) {
this.websocket = new WebSocket(url);
this.websocket.onopen = function(event) {
window.setInterval(function() { server.send(['PING']) }, 30000);
- server.send(['GET_GAMESTATE']);
+ tui.log_msg("@ server connected! :)");
+ tui.init_login();
};
+ this.websocket.onclose = function(event) {
+ tui.log_msg('@ server disconnected :(');
+ }
},
send: function(tokens) {
this.websocket.send(unparser.untokenize(tokens));
}
}
+class Mode {
+ constructor(name, has_input_prompt=false, shows_annotations=false, is_intro=false) {
+ this.name = name;
+ this.has_input_prompt = has_input_prompt;
+ this.shows_annotations = shows_annotations;
+ this.is_intro = is_intro;
+ }
+}
+let mode_waiting_for_server = new Mode('waiting_for_server', false, false, true);
+let mode_login = new Mode('login', true, false, true);
+let mode_chat = new Mode('chat / write messages to players', true, false);
+let mode_annotate = new Mode('add message to map tile', true, true);
+let mode_play = new Mode('play / move around', false, false);
+let mode_study = new Mode('check map tiles for messages', false, true);
+let mode_edit = new Mode('write ASCII char to map tile', false, false);
+
let tui = {
- mode: 'chat',
+ mode: mode_waiting_for_server,
log: [],
+ input_prompt: '> ',
input: '',
input_lines: [],
window_width: terminal.cols / 2,
height_turn_line: 1,
+ height_mode_line: 1,
height_input: 1,
+ key_up: 'w',
+ key_down: 's',
+ key_left: 'a',
+ key_right: 'd',
+ movement_keys_desc: 'w, a, s, d',
init: function() {
this.recalc_input_lines();
+ this.height_header = this.height_turn_line + this.height_mode_line;
+ this.log_msg("@ waiting for server connection ...");
+ },
+ init_login: function() {
+ this.log_msg("@ please enter your username:");
+ this.switch_mode(mode_login);
},
- switch_mode: function(mode_name, keep_pos=false) {
- if (mode_name == 'study' && !keep_pos) {
+ switch_mode: function(mode, keep_pos=false) {
+ if (mode == mode_study && !keep_pos) {
explorer.position = game.things[game.player_id];
}
- this.mode = mode_name;
+ this.mode = mode;
+ this.empty_input();
+ if (mode == mode_annotate && explorer.position in explorer.info_db) {
+ let info = explorer.info_db[explorer.position];
+ if (info != "(none)") {
+ this.add_to_input(explorer.info_db[explorer.position]);
+ }
+ }
this.full_refresh();
},
- draw_history: function() {
- if (terminal.rows <= this.height_turn_line + this.height_input) {
- return;
- }
- terminal.drawBox(this.height_turn_line, this.window_width, terminal.rows - this.height_turn_line - this.height_input, this.window_width);
- console.log(this.log);
- for (let y = terminal.rows - this.height_input - this.height_turn_line,
- i = this.log.length - 1;
- y >= this.height_turn_line && i >= 0;
- y--, i--) {
- terminal.write(y, this.window_width, this.log[i]);
+ empty_input: function(str) {
+ this.input = "";
+ if (this.mode.has_input_prompt) {
+ this.recalc_input_lines();
+ } else {
+ this.height_input = 0;
+ }
+ },
+ add_to_input: function(str) {
+ if (this.input_prompt.length + this.input.length + str.length > this.window_width * terminal.rows) {
+ return;
+ }
+ this.input += str;
+ this.recalc_input_lines();
+ this.full_refresh();
+ },
+ recalc_input_lines: function() {
+ this.input_lines = this.msg_into_lines_of_width(this.input_prompt + this.input, this.window_width);
+ this.height_input = this.input_lines.length;
+ },
+ shorten_input: function() {
+ if (this.input.length == 0) {
+ terminal.blink_screen();
+ } else {
+ this.input = tui.input.slice(0, -1);
+ this.recalc_input_lines();
+ this.full_refresh();
}
},
+ msg_into_lines_of_width: function(msg, width) {
+ let chunk = "";
+ let lines = [];
+ for (let i = 0, x = 0; i < msg.length; i++, x++) {
+ if (x >= width) {
+ lines.push(chunk);
+ chunk = "";
+ x = 0;
+ };
+ chunk += msg[i];
+ }
+ lines.push(chunk);
+ return lines;
+ },
+ log_msg: function(msg) {
+ this.log.push(msg);
+ while (this.log.length > terminal.rows * 4) {
+ this.log.shift();
+ };
+ this.full_refresh();
+ },
+ log_help: function() {
+ this.log_msg("HELP:");
+ this.log_msg("chat mode commands:");
+ this.log_msg(" :nick NAME - re-name yourself to NAME");
+ this.log_msg(" :msg USER TEXT - send TEXT to USER");
+ this.log_msg(" :help - show this help");
+ this.log_msg(" :p or :play - switch to play mode");
+ this.log_msg(" :? or :study - switch to study mode");
+ this.log_msg("commands common to study and play mode:");
+ this.log_msg(" " + this.movement_keys_desc + " - move");
+ this.log_msg(" c - switch to chat mode");
+ this.log_msg("commands specific to play mode:");
+ this.log_msg(" e - write following ASCII character");
+ this.log_msg(" f - flatten surroundings");
+ this.log_msg(" ? - switch to study mode");
+ this.log_msg("commands specific to study mode:");
+ this.log_msg(" e - annotate terrain");
+ this.log_msg(" p - switch to play mode");
+ },
draw_map: function() {
- terminal.drawBox(0, 0, terminal.rows, this.window_width);
let map_lines = [];
let line = [];
for (let i = 0, j = 0; i < game.map.length; i++, j++) {
center_pos = t;
}
};
- if (tui.mode == 'study' || tui.mode == 'annotate') {
+ if (tui.mode.shows_annotations) {
map_lines[explorer.position[0]][explorer.position[1]] = '?';
center_pos = explorer.position;
}
}
}
},
- draw_turn_line: function(n) {
- terminal.drawBox(0, this.window_width, 1, this.window_width);
- terminal.write(0, this.window_width, 'turn: ' + game.turn);
+ draw_mode_line: function() {
+ terminal.write(0, this.window_width, 'MODE: ' + this.mode.name);
},
- empty_input: function(str) {
- this.input = "";
- this.recalc_input_lines();
+ draw_turn_line: function(n) {
+ terminal.write(1, this.window_width, 'TURN: ' + game.turn);
},
- add_to_input: function(str) {
- if (this.input.length + str.length > this.window_width * terminal.rows) {
- return;
+ draw_history: function() {
+ let log_display_lines = [];
+ for (let line of this.log) {
+ log_display_lines = log_display_lines.concat(this.msg_into_lines_of_width(line, this.window_width));
+ };
+ for (let y = terminal.rows - 1 - this.height_input,
+ i = log_display_lines.length - 1;
+ y >= this.height_header && i >= 0;
+ y--, i--) {
+ terminal.write(y, this.window_width, log_display_lines[i]);
}
- this.input += str;
- this.recalc_input_lines();
- },
- recalc_input_lines: function() {
- this.input_lines = this.msg_into_lines_of_width("> " + this.input, this.window_width);
- this.height_input = this.input_lines.length;
},
- shorten_input: function() {
- if (this.input.length > 2) {
- this.input = tui.input.slice(0, -1);
- this.recalc_input_lines();
- }
+ draw_info: function() {
+ let lines = this.msg_into_lines_of_width(explorer.get_info(), this.window_width);
+ for (let y = this.height_header, i = 0; y < terminal.rows && i < lines.length; y++, i++) {
+ terminal.write(y, this.window_width, lines[i]);
+ }
},
draw_input: function() {
- terminal.drawBox(terminal.rows - this.height_input, this.window_width, this.height_input, this.window_width);
- if (this.mode == 'chat' || this.mode == 'annotate') {
+ if (this.mode.has_input_prompt) {
for (let y = terminal.rows - this.height_input, i = 0; y < terminal.rows && i < this.input_lines.length; y++, i++) {
terminal.write(y, this.window_width, this.input_lines[i]);
}
}
},
- msg_into_lines_of_width: function(msg, width) {
- let chunk = "";
- let lines = [];
- for (let i = 0, x = 0; i < msg.length; i++, x++) {
- if (x >= width) {
- lines.push(chunk);
- chunk = "";
- x = 0;
- };
- chunk += msg[i];
- }
- lines.push(chunk);
- return lines;
- },
- log_msg: function(msg) {
- let lines = this.msg_into_lines_of_width(msg, this.window_width);
- this.log = this.log.concat(lines);
- while (this.log.length > terminal.rows - 2) {
- this.log.shift();
- };
- this.draw_history();
- },
- refresh: function() {
- terminal.refresh();
- },
- log_help: function() {
- tui.log_msg("");
- tui.log_msg("HELP");
- tui.log_msg("");
- tui.log_msg("chat mode commands:");
- tui.log_msg(":login USER - register as USER");
- tui.log_msg(":msg USER TEXT - send TEXT to USER");
- tui.log_msg(":help - show this help");
- tui.log_msg(":play or :p - switch to play mode");
- tui.log_msg(":study or :s - switch to study mode");
- tui.log_msg("");
- tui.log_msg("play mode commands:");
- tui.log_msg("w, a, s, d - move avatar");
- tui.log_msg("f - flatten surroundings");
- tui.log_msg("e - write following ASCII character");
- tui.log_msg("c - switch to chat mode");
- tui.log_msg("? - switch to study mode");
- tui.log_msg("");
- tui.log_msg("study mode commands:");
- tui.log_msg("w, a, s, d - move question mark");
- tui.log_msg("A - annotate terrain");
- tui.log_msg("c - switch to chat mode");
- tui.log_msg("p - switch to play mode");
- tui.log_msg("");
- },
- draw_info: function() {
- terminal.drawBox(this.height_turn_line, this.window_width, terminal.rows - this.height_turn_line - this.height_input, this.window_width);
- let lines = this.msg_into_lines_of_width(explorer.get_info(), this.window_width);
- for (let y = this.height_turn_line, i = 0; y < terminal.rows && i < lines.length; y++, i++) {
- terminal.write(y, this.window_width, lines[i]);
- }
- },
full_refresh: function() {
- this.draw_map();
- this.draw_turn_line();
- if (this.mode == 'study' || this.mode == 'annotate') {
- this.draw_info();
+ terminal.drawBox(0, 0, terminal.rows, terminal.cols);
+ if (this.mode.is_intro) {
+ this.draw_history();
+ this.draw_input();
} else {
- this.draw_history();
+ this.draw_map();
+ this.draw_turn_line();
+ this.draw_mode_line();
+ if (this.mode.shows_annotations) {
+ this.draw_info();
+ } else {
+ this.draw_history();
+ }
+ this.draw_input();
}
- this.draw_input();
- this.refresh();
+ terminal.refresh();
}
}
terminal.initialize();
tui.init();
-tui.log_help();
tui.full_refresh();
server.init(websocket_location);
game.map = tokens[2]
} else if (tokens[0] === 'GAME_STATE_COMPLETE') {
explorer.empty_info_db();
- if (tui.mode == 'study') {
+ if (tui.mode == mode_study) {
explorer.query_info();
}
- tui.draw_turn_line();
- tui.draw_map();
- tui.refresh();
+ tui.full_refresh();
} else if (tokens[0] === 'CHAT') {
tui.log_msg('# ' + tokens[1], 1);
- tui.refresh();
} else if (tokens[0] === 'PLAYER_ID') {
game.player_id = parseInt(tokens[1]);
} else if (tokens[0] === 'META') {
tui.log_msg('@ ' + tokens[1]);
- tui.refresh();
+ } else if (tokens[0] === 'LOGIN_OK') {
+ server.send(['GET_GAMESTATE']);
+ tui.log_msg('@ ' + tokens[1]);
+ tui.log_help();
+ tui.switch_mode(mode_chat);
} else if (tokens[0] === 'ANNOTATION') {
let position = parser.parse_yx(tokens[1]);
explorer.update_info_db(position, tokens[2]);
} else if (tokens[0] === 'UNHANDLED_INPUT') {
tui.log_msg('? unknown command');
- tui.refresh();
+ } else if (tokens[0] === 'PLAY_ERROR') {
+ terminal.blink_screen();
} else if (tokens[0] === 'ARGUMENT_ERROR') {
tui.log_msg('? syntax error: ' + tokens[1]);
- tui.refresh();
} else if (tokens[0] === 'GAME_ERROR') {
tui.log_msg('? game error: ' + tokens[1]);
- tui.refresh();
} else if (tokens[0] === 'PONG') {
console.log('PONG');
} else {
tui.log_msg('? unhandled input: ' + event.data);
- tui.refresh();
}
}
&& !(try_pos[1] >= game.map_size[1])) {
this.position = try_pos;
this.query_info();
- tui.draw_map();
- tui.draw_info();
- tui.refresh();
+ tui.full_refresh();
}
},
update_info_db: function(yx, str) {
this.info_db[yx] = str;
- if (tui.mode == 'study') {
- tui.draw_info();
- tui.refresh();
+ if (tui.mode == mode_study) {
+ tui.full_refresh();
}
},
empty_info_db: function() {
this.info_db = {};
- if (tui.mode == 'study') {
- tui.draw_info();
- tui.refresh();
+ if (tui.mode == mode_study) {
+ tui.full_refresh();
}
},
query_info: function() {
}
document.addEventListener('keydown', (event) => {
- if (tui.mode == 'chat') {
- if (event.key.length === 1) {
- tui.add_to_input(event.key);
- tui.full_refresh();
- } else if (event.key == 'Backspace') {
- tui.shorten_input();
- tui.full_refresh();
- } else if (event.key == 'Enter') {
- let [tokens, token_starts] = parser.tokenize(tui.input);
- if (tokens.length > 0 && tokens[0].length > 0) {
- if (tokens[0][0] == ':') {
- if (tokens[0] == ':play' || tokens[0] == ':p') {
- tui.switch_mode('play');
- } else if (tokens[0] == ':study' || tokens[0] == ':s') {
- tui.switch_mode('study');
- } else if (tokens[0] == ':help') {
- tui.log_help();
- tui.refresh();
- } else if (tokens[0] == ':login') {
- if (tokens.length > 1) {
- server.send(['LOGIN', tokens[1]]);
- } else {
- tui.log_msg('? need login name');
- }
- } else if (tokens[0] == ':msg') {
- if (tokens.length > 2) {
- let msg = tui.input.slice(token_starts[2]);
- server.send(['QUERY', tokens[1], msg]);
- } else {
- tui.log_msg('? need message target and message');
- }
+ if (tui.mode.has_input_prompt && event.key.length === 1) {
+ tui.add_to_input(event.key);
+ } else if (tui.mode.has_input_prompt && event.key == 'Backspace') {
+ tui.shorten_input();
+ } else if (tui.mode == mode_login && event.key == 'Enter') {
+ server.send(['LOGIN', tui.input]);
+ tui.switch_mode(mode_login);
+ } else if (tui.mode == mode_annotate && event.key == 'Enter') {
+ explorer.annotate(tui.input);
+ tui.switch_mode(mode_study, true);
+ } else if (tui.mode == mode_chat && event.key == 'Enter') {
+ let [tokens, token_starts] = parser.tokenize(tui.input);
+ if (tokens.length > 0 && tokens[0].length > 0) {
+ if (tokens[0][0] == ':') {
+ if (tokens[0] == ':play' || tokens[0] == ':p') {
+ tui.switch_mode(mode_play);
+ } else if (tokens[0] == ':study' || tokens[0] == ':?') {
+ tui.switch_mode(mode_study);
+ } else if (tokens[0] == ':help') {
+ tui.log_help();
+ } else if (tokens[0] == ':nick') {
+ if (tokens.length > 1) {
+ server.send(['LOGIN', tokens[1]]);
} else {
- tui.log_msg('? unknown command');
+ tui.log_msg('? need login name');
+ }
+ } else if (tokens[0] == ':msg') {
+ if (tokens.length > 2) {
+ let msg = tui.input.slice(token_starts[2]);
+ server.send(['QUERY', tokens[1], msg]);
+ } else {
+ tui.log_msg('? need message target and message');
}
} else {
- server.send(['ALL', tui.input]);
+ tui.log_msg('? unknown command');
}
+ } else {
+ server.send(['ALL', tui.input]);
}
- tui.empty_input();
- tui.full_refresh();
}
- } else if (tui.mode == 'play') {
+ tui.empty_input();
+ tui.full_refresh();
+ } else if (tui.mode == mode_play) {
if (event.key === 'c') {
- tui.switch_mode('chat');
+ tui.switch_mode(mode_chat);
} else if (event.key === 'e') {
- tui.switch_mode('edit');
+ tui.switch_mode(mode_edit);
} else if (event.key === '?') {
- tui.switch_mode('study');
+ tui.switch_mode(mode_study);
} else if (event.key === 'F1') {
tui.log_help();
- tui.refresh();
} else if (event.key === 'f') {
server.send(["TASK:FLATTEN_SURROUNDINGS"]);
- } else if (event.key === 'a') {
+ } else if (event.key === tui.key_left) {
server.send(['TASK:MOVE', 'LEFT']);
- } else if (event.key === 'd') {
+ } else if (event.key === tui.key_right) {
server.send(['TASK:MOVE', 'RIGHT']);
- } else if (event.key === 'w') {
+ } else if (event.key === tui.key_up) {
server.send(['TASK:MOVE', 'UP']);
- } else if (event.key === 's') {
+ } else if (event.key === tui.key_down) {
server.send(['TASK:MOVE', 'DOWN']);
};
- } else if (tui.mode == 'edit') {
+ } else if (tui.mode == mode_edit) {
if (event.key != "Shift" && event.key.length == 1) {
server.send(["TASK:WRITE", event.key]);
- tui.switch_mode('play');
+ tui.switch_mode(mode_play);
}
- } else if (tui.mode == 'study') {
+ } else if (tui.mode == mode_study) {
if (event.key === 'c') {
- tui.switch_mode('chat');
+ tui.switch_mode(mode_chat);
} else if (event.key == 'p') {
- tui.switch_mode('play');
- } else if (event.key === 'a') {
+ tui.switch_mode(mode_play);
+ } else if (event.key === tui.key_left) {
explorer.move('left');
- } else if (event.key === 'd') {
+ } else if (event.key === tui.key_right) {
explorer.move('right');
- } else if (event.key === 'w') {
+ } else if (event.key === tui.key_up) {
explorer.move('up');
- } else if (event.key === 's') {
+ } else if (event.key === tui.key_down) {
explorer.move('down');
- } else if (event.key === 'A') {
- tui.switch_mode('annotate');
- tui.draw_info();
- tui.refresh();
+ } else if (event.key === 'e') {
+ tui.switch_mode(mode_annotate);
};
- } else if (tui.mode == 'annotate') {
- if (event.key.length === 1) {
- tui.add_to_input(event.key);
- tui.full_refresh();
- } else if (event.key == 'Backspace') {
- tui.shorten_input();
- tui.full_refresh();
- } else if (event.key == 'Enter') {
- explorer.annotate(tui.input);
- tui.empty_input();
- tui.switch_mode('study', true);
- }
}
}, false);
+
+let wasd_selector = document.getElementById("WASD_selector");
+wasd_selector.addEventListener('input', function() {
+ if (wasd_selector.value == 'w, a, s, d') {
+ tui.key_up = 'w';
+ tui.key_down = 's';
+ tui.key_left = 'a';
+ tui.key_right = 'd';
+ } else if (wasd_selector.value == 'arrow keys') {
+ tui.key_up = 'ArrowUp';
+ tui.key_down = 'ArrowDown';
+ tui.key_left = 'ArrowLeft';
+ tui.key_right = 'ArrowRight';
+ };
+ tui.movement_keys_desc = wasd_selector.value;
+}, false);
+let rows_selector = document.getElementById("n_rows");
+rows_selector.addEventListener('input', function() {
+ terminal.rows = rows_selector.value;
+ terminal.initialize();
+ tui.full_refresh();
+}, false);
+let cols_selector = document.getElementById("n_cols");
+cols_selector.addEventListener('input', function() {
+ terminal.cols = cols_selector.value;
+ terminal.initialize();
+ tui.window_width = terminal.cols / 2,
+ tui.full_refresh();
+}, false);
</script>
</body></html>