Make map rendering slightly more efficient.

[plomrogue2-experiments] / new2 / rogue_chat.html

diff --git a/new2/rogue_chat.html b/new2/rogue_chat.html
index a3d50955e0d20edaa4cb9c9ea862c6cbba87f1b5..f584ddd3108ccecbbb035047a5d9245a3984456f 100644 (file)
--- a/new2/rogue_chat.html
+++ b/new2/rogue_chat.html
@@ -26,16 +26,18 @@ let terminal = {
   set_font: function(type='normal') {
     this.ctx.font = type + ' ' + this.charHeight + 'px monospace';
   },
-  write: function(start_y, start_x, msg, foreground_color='black') {
-    this.ctx.fillStyle = foreground_color; 
+  write_cheap: function(start_y, start_x, msg) {
+    this.ctx.fillText(msg, start_x*this.charWidth, start_y*this.charHeight);
+  },
+  set_color: function(color) {
+    this.ctx.fillStyle = color;
+  },
+  write: function(start_y, start_x, msg, foreground_color='white') {
+    this.ctx.fillStyle = 'black';
     this.ctx.fillRect(start_x*this.charWidth, start_y*this.charHeight,
-                     this.charWidth*msg.length, this.charHeight);
-    if (foreground_color === 'black') {
-      this.ctx.fillStyle = 'white';
-    } else {
-      this.ctx.fillStyle = 'black';
-    }
-    this.ctx.fillText(msg, start_x*this.charWidth, start_y*this.charHeight); 
+                      this.charWidth*msg.length, this.charHeight);
+    this.ctx.fillStyle = foreground_color;
+    this.ctx.fillText(msg, start_x*this.charWidth, start_y*this.charHeight);
   },
   drawBox: function (start_y, start_x, height, width, color='white') {
     this.ctx.fillStyle = color;
@@ -95,25 +97,32 @@ let tui = {
     for (let line of chat.history) {
       terminal.write(terminal.rows - 2 - i, terminal.cols / 2, line);
       i += 1;
-      // if (i > terminal.rows - 3) {
-      //   break;
-      // }
     }
   },
   draw_map: function() {
-    terminal.drawBox(0, 0, terminal.rows, terminal.cols / 2);
-    let map_line = "";
-    let y = 0;
-    for (let i = 0, x = 0; i < game.map.length; i++, x++) {
+    terminal.drawBox(0, 0, terminal.rows, terminal.cols / 2, 'black');
+    let last_c = '';
+    let color = 'white';
+    for (let i = 0, y = 0, x = 0; i < game.map.length; i++, x++) {
       if (x >= game.map_size[1]) {
-       terminal.write(y, 0, map_line);
-       map_line = "";
         x = 0;
        y += 1;
       };
-      map_line += game.map[i];
+      let c = game.map[i];
+      if (c != last_c) {
+       last_c = c;
+        color = 'white';
+        if (c == '.') {
+          color = '#ffaa00';
+        } else if (c == '~') {
+          color = '#5555ff';
+        } else if (c == 'X') {
+          color = '#55ff00';
+        }
+        terminal.set_color(color);
+      }
+      terminal.write_cheap(y, x, c);
     }
-    terminal.write(y, 0, map_line);
     for (const t in game.things) {
       terminal.write(game.things[t][0], game.things[t][1], '@');
     }
@@ -164,16 +173,20 @@ tui.draw_turn_line();
 tui.draw_history();
 tui.draw_input_line();
 
-tui.log_msg("commands:", 1);
+tui.log_msg("basic commands:", 1);
 tui.log_msg("LOGIN USER - register as USER", 3);
 tui.log_msg("ALL TEXT - send TEXT to all users", 3);
 tui.log_msg("QUERY USER TEXT - send TEXT to USER", 3);
 tui.log_msg("");
-tui.log_msg("Use arrow keys to move your avatar", 1);
+tui.log_msg("Use arrow keys to move your avatar. You can only move over \".\" map cells.", 1);
 tui.log_msg("");
 tui.log_msg("Use double quotes for strings that contain whitespace, escape them with \\.", 1);
 tui.log_msg("");
-tui.log_msg("To write on the map, hit Return on a single visible ASCII character in the input prompt", 1);
+tui.log_msg("To change the map cell you are standing on, type the desired ASCII character into the prompt and hit Return.", 1);
+tui.log_msg("");
+tui.log_msg("more commands:", 1);
+tui.log_msg("FLATTEN - transform surrounding map cells to \".\" ones", 3);
+tui.log_msg("");
 
 document.addEventListener('keydown', (event) => {
   if (chat.input_line === '') {
@@ -188,6 +201,8 @@ document.addEventListener('keydown', (event) => {
   } else if (event.key === 'Enter') {
     if (chat.input_line.length === 1) {
       websocket.send("TASK:WRITE " + chat.input_line);
+    } else if (chat.input_line.trimEnd() === 'FLATTEN') {
+      websocket.send("TASK:FLATTEN_SURROUNDINGS");
     } else {
       websocket.send(chat.input_line);
     }