From 4b86e451aaa865258e8473ef8812d203318f484e Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Tue, 27 Oct 2020 02:48:09 +0100
Subject: [PATCH] To client, add (basic nav of) explorer mode.

---
 new2/rogue_chat_nocanvas_monochrome.html | 93 +++++++++++++++++++-----
 1 file changed, 75 insertions(+), 18 deletions(-)

diff --git a/new2/rogue_chat_nocanvas_monochrome.html b/new2/rogue_chat_nocanvas_monochrome.html
index b49aac4..906a154 100644
--- a/new2/rogue_chat_nocanvas_monochrome.html
+++ b/new2/rogue_chat_nocanvas_monochrome.html
@@ -115,6 +115,14 @@ function quote(str) {
 }
 
 let tui = {
+  mode: 'chat',
+  switch_mode: function(mode_name) {
+    if (mode_name == 'explore') {
+        explorer.position = game.things[game.player_id];
+    }
+    this.mode = mode_name;
+    this.full_refresh();
+  },
   draw_history: function() {
     terminal.drawBox(1, terminal.cols / 2, terminal.rows - 2, terminal.cols / 2);
     let i = 0;
@@ -143,9 +151,14 @@ let tui = {
         if (game.player_id == thing_id) {
             player_position = t;
         }
+    };
+    let center_pos = player_position;
+    if (tui.mode == 'explore') {
+        map_lines[explorer.position[0]][explorer.position[1]] = '?';
+        center_pos = explorer.position;
     }
-    let offset = [(terminal.rows / 2) - player_position[0],
-                  terminal.cols / 4 - player_position[1]];
+    let offset = [(terminal.rows / 2) - center_pos[0],
+                  terminal.cols / 4 - center_pos[1]];
       for (let term_y = offset[0], map_y = 0;
            term_y < terminal.rows && map_y < game.map_size[0];
            term_y++, map_y++) {
@@ -190,7 +203,8 @@ let tui = {
     tui.log_msg("");
     tui.log_msg("/login USER - register as USER", 3);
     tui.log_msg("/msg USER TEXT - send TEXT to USER", 3);
-    tui.log_msg("/game - switch to game mode", 3);
+    tui.log_msg("/help - show this help", 3);
+    tui.log_msg("/play - switch to game mode", 3);
     tui.log_msg("");
     tui.log_msg("map mode commands:", 1);
     tui.log_msg("w, a, s, d - move avatar", 3);
@@ -198,6 +212,13 @@ let tui = {
     tui.log_msg("e - write following ASCII character", 3);
     tui.log_msg("c - switch to chat mode", 3);
     tui.log_msg("");
+  },
+  full_refresh: function() {
+    this.draw_map();
+    this.draw_turn_line();
+    this.draw_history();
+    this.draw_input_line();
+    this.refresh();
   }
 }
 
@@ -216,11 +237,7 @@ let chat = {
 
 terminal.initialize();
 tui.log_help();
-tui.draw_map();
-tui.draw_turn_line();
-tui.draw_history();
-tui.draw_input_line();
-tui.refresh();
+tui.full_refresh();
 
 let websocket = new WebSocket(websocket_location);
 websocket.onmessage = function (event) {
@@ -262,9 +279,34 @@ websocket.onmessage = function (event) {
   }
 }
 
-let mode = 'chat';
+let explorer = {
+    position: [0,0],
+    move: function(direction) {
+        let try_pos = [0,0];
+        try_pos[0] = this.position[0];
+        try_pos[1] = this.position[1];
+        if (direction == 'left') {
+            try_pos[1] -= 1;
+        } else if (direction == 'right') {
+            try_pos[1] += 1;
+        } else if (direction == 'up') {
+            try_pos[0] -= 1;
+        } else if (direction == 'down') {
+            try_pos[0] += 1;
+        };
+        if (!(try_pos[0] < 0) &&
+            !(try_pos[1] < 0) &&
+            !(try_pos[0] >= game.map_size[0])
+            && !(try_pos[1] >= game.map_size[1])) {
+            this.position = try_pos;
+            tui.draw_map();
+            tui.refresh();
+        }
+    }
+}
+
 document.addEventListener('keydown', (event) => {
-    if (mode == 'chat') {
+    if (tui.mode == 'chat') {
         if (event.key.length === 1) {
             chat.input_line += event.key;
             tui.draw_input_line();
@@ -275,11 +317,10 @@ document.addEventListener('keydown', (event) => {
             tui.refresh();
         } else if (event.key == 'Enter') {
             let tokens = parser.tokenize(chat.input_line);
-            console.log(tokens);
             if (tokens.length > 0 && tokens[0].length > 0) {
                 if (tokens[0][0] == '/') {
-                    if (tokens[0] == '/game') {
-                        mode = 'game';
+                    if (tokens[0] == '/play') {
+                        tui.switch_mode('play');
                     } else if (tokens[0] == '/?') {
                         tui.log_help();
                         tui.refresh();
@@ -306,12 +347,14 @@ document.addEventListener('keydown', (event) => {
             tui.draw_input_line();
             tui.refresh();
         }
-    } else if (mode == 'game') {
+    } else if (tui.mode == 'play') {
           if (event.key === 'c') {
-              mode = 'chat';
+              tui.switch_mode('chat');
           } else if (event.key === 'e') {
-              mode = 'edit';
+              tui.switch_mode('edit');
           } else if (event.key === '?') {
+              tui.switch_mode('explore');
+          } else if (event.key === 'F1') {
               tui.log_help();
               tui.refresh();
           } else if (event.key === 'f') {
@@ -325,11 +368,25 @@ document.addEventListener('keydown', (event) => {
           } else if (event.key === 's') {
               websocket.send('TASK:MOVE DOWN');
           };
-    } else if (mode == 'edit') {
+    } else if (tui.mode == 'edit') {
         if (event.key.length === 1) {
             websocket.send("TASK:WRITE " + quote(event.key));
         }
-        mode = 'game';
+        tui.switch_mode('play');
+    } else if (tui.mode == 'explore') {
+        if (event.key === 'c') {
+            tui.switch_mode('chat');
+        } else if (event.key == 'p') {
+            tui.switch_mode('play');
+        } else if (event.key === 'a') {
+	      explorer.move('left');
+        } else if (event.key === 'd') {
+	      explorer.move('right');
+        } else if (event.key === 'w') {
+	      explorer.move('up');
+        } else if (event.key === 's') {
+	      explorer.move('down');
+	};
     }
 }, false);
 
-- 
2.30.2