From cd9ce8a43025e365cc473b32eb80c97742fac2be Mon Sep 17 00:00:00 2001
From: Aotumuri <aotumuri.yt@gmail.com>
Date: Sun, 6 Apr 2025 11:01:34 +0900
Subject: [PATCH] add chat display

---
 src/client/graphics/GameRenderer.ts       |  10 ++
 src/client/graphics/layers/ChatDisplay.ts | 190 ++++++++++++++++++++++
 src/client/index.html                     |   1 +
 3 files changed, 201 insertions(+)
 create mode 100644 src/client/graphics/layers/ChatDisplay.ts

diff --git a/src/client/graphics/GameRenderer.ts b/src/client/graphics/GameRenderer.ts
index a566c041b..6726dcf4e 100644
--- a/src/client/graphics/GameRenderer.ts
+++ b/src/client/graphics/GameRenderer.ts
@@ -7,6 +7,7 @@ import { GameStartingModal } from "../gameStartingModal";
 import { TransformHandler } from "./TransformHandler";
 import { UIState } from "./UIState";
 import { BuildMenu } from "./layers/BuildMenu";
+import { ChatDisplay } from "./layers/ChatDisplay";
 import { ChatModal } from "./layers/ChatModal";
 import { ControlPanel } from "./layers/ControlPanel";
 import { EmojiTable } from "./layers/EmojiTable";
@@ -82,6 +83,14 @@ export function createRenderer(
   eventsDisplay.game = game;
   eventsDisplay.clientID = clientID;
 
+  const chatDisplay = document.querySelector("chat-display") as ChatDisplay;
+  if (!(eventsDisplay instanceof ChatDisplay)) {
+    consolex.error("chat display not found");
+  }
+  chatDisplay.eventBus = eventBus;
+  chatDisplay.game = game;
+  chatDisplay.clientID = clientID;
+
   const playerInfo = document.querySelector(
     "player-info-overlay",
   ) as PlayerInfoOverlay;
@@ -136,6 +145,7 @@ export function createRenderer(
     new UILayer(game, eventBus, clientID, transformHandler),
     new NameLayer(game, transformHandler, clientID),
     eventsDisplay,
+    chatDisplay,
     buildMenu,
     new RadialMenu(
       eventBus,
diff --git a/src/client/graphics/layers/ChatDisplay.ts b/src/client/graphics/layers/ChatDisplay.ts
new file mode 100644
index 000000000..c8a2c1c56
--- /dev/null
+++ b/src/client/graphics/layers/ChatDisplay.ts
@@ -0,0 +1,190 @@
+import { html, LitElement } from "lit";
+import { customElement, state } from "lit/decorators.js";
+import { DirectiveResult } from "lit/directive.js";
+import { unsafeHTML, UnsafeHTMLDirective } from "lit/directives/unsafe-html.js";
+import { EventBus } from "../../../core/EventBus";
+import { MessageType } from "../../../core/game/Game";
+import {
+  DisplayMessageUpdate,
+  GameUpdateType,
+} from "../../../core/game/GameUpdates";
+import { GameView } from "../../../core/game/GameView";
+import { ClientID } from "../../../core/Schemas";
+import { onlyImages } from "../../../core/Util";
+import { Layer } from "./Layer";
+
+interface ChatEvent {
+  description: string;
+  unsafeDescription?: boolean;
+  createdAt: number;
+  highlight?: boolean;
+}
+
+@customElement("chat-display")
+export class ChatDisplay extends LitElement implements Layer {
+  public eventBus: EventBus;
+  public game: GameView;
+  public clientID: ClientID;
+
+  private updateMap = new Map([
+    [GameUpdateType.DisplayEvent, (u) => this.onDisplayMessageEvent(u)],
+  ]);
+
+  @state() private _hidden: boolean = false;
+  @state() private newEvents: number = 0;
+  @state() private chatEvents: ChatEvent[] = [];
+
+  private toggleHidden() {
+    this._hidden = !this._hidden;
+    if (this._hidden) {
+      this.newEvents = 0;
+    }
+    this.requestUpdate();
+  }
+
+  private addEvent(event: ChatEvent) {
+    this.chatEvents = [...this.chatEvents, event];
+    if (this._hidden) {
+      this.newEvents++;
+    }
+    this.requestUpdate();
+  }
+
+  private removeEvent(index: number) {
+    this.chatEvents = [
+      ...this.chatEvents.slice(0, index),
+      ...this.chatEvents.slice(index + 1),
+    ];
+  }
+
+  onDisplayMessageEvent(event: DisplayMessageUpdate) {
+    if (event.messageType !== MessageType.CHAT) return;
+    const myPlayer = this.game.playerByClientID(this.clientID);
+    if (
+      event.playerID != null &&
+      (!myPlayer || myPlayer.smallID() !== event.playerID)
+    ) {
+      return;
+    }
+
+    this.addEvent({
+      description: event.message,
+      createdAt: this.game.ticks(),
+      highlight: true,
+      unsafeDescription: true,
+    });
+  }
+
+  init() {}
+
+  tick() {
+    const updates = this.game.updatesSinceLastTick();
+    const messages = updates[GameUpdateType.DisplayEvent] as
+      | DisplayMessageUpdate[]
+      | undefined;
+
+    console.log("message:", messages);
+
+    if (messages) {
+      for (const msg of messages) {
+        if (msg.messageType === MessageType.CHAT) {
+          const myPlayer = this.game.playerByClientID(this.clientID);
+          if (
+            msg.playerID != null &&
+            (!myPlayer || myPlayer.smallID() !== msg.playerID)
+          ) {
+            continue;
+          }
+
+          this.chatEvents = [
+            ...this.chatEvents,
+            {
+              description: msg.message,
+              unsafeDescription: true,
+              createdAt: this.game.ticks(),
+            },
+          ];
+        }
+      }
+    }
+
+    if (this.chatEvents.length > 100) {
+      this.chatEvents = this.chatEvents.slice(-100);
+    }
+  }
+
+  private getChatContent(
+    chat: ChatEvent,
+  ): string | DirectiveResult<typeof UnsafeHTMLDirective> {
+    return chat.unsafeDescription
+      ? unsafeHTML(onlyImages(chat.description))
+      : chat.description;
+  }
+
+  render() {
+    return html`
+      <div
+        class="${this._hidden
+          ? "w-fit px-[10px] py-[5px]"
+          : ""} rounded-md bg-black bg-opacity-60 relative max-h-[30vh] flex flex-col-reverse overflow-y-auto w-full lg:bottom-2.5 lg:right-2.5 z-50 lg:max-w-[30vw] lg:w-full lg:w-auto"
+        style="pointer-events: auto"
+      >
+        <div>
+          <!-- 上部固定バー -->
+          <div class="w-full bg-black/80 sticky top-0 px-[10px]">
+            <button
+              class="text-white cursor-pointer pointer-events-auto ${this
+                ._hidden
+                ? "hidden"
+                : ""}"
+              @click=${this.toggleHidden}
+            >
+              Hide
+            </button>
+          </div>
+
+          <!-- 畳まれてるときの表示ボタン -->
+          <button
+            class="text-white cursor-pointer pointer-events-auto ${this._hidden
+              ? ""
+              : "hidden"}"
+            @click=${this.toggleHidden}
+          >
+            Chat
+            <span
+              class="${this.newEvents
+                ? ""
+                : "hidden"} inline-block px-2 bg-red-500 rounded-sm"
+              >${this.newEvents}</span
+            >
+          </button>
+
+          <!-- チャット本体（テーブル） -->
+          <table
+            class="w-full border-collapse text-white shadow-lg lg:text-xl text-xs ${this
+              ._hidden
+              ? "hidden"
+              : ""}"
+            style="pointer-events: auto;"
+          >
+            <tbody>
+              ${this.chatEvents.map(
+                (chat) => html`
+                  <tr class="border-b border-opacity-0">
+                    <td class="lg:p-3 p-1 text-left">
+                      ${this.getChatContent(chat)}
+                    </td>
+                  </tr>
+                `,
+              )}
+            </tbody>
+          </table>
+        </div>
+      </div>
+    `;
+  }
+
+  createRenderRoot() {
+    return this;
+  }
+}
diff --git a/src/client/index.html b/src/client/index.html
index 52552a820..7b9299682 100644
--- a/src/client/index.html
+++ b/src/client/index.html
@@ -292,6 +292,7 @@
         class="w-full sm:w-2/3 sm:fixed sm:right-0 sm:bottom-0 sm:flex justify-end"
         style="pointer-events: none"
       >
+        <chat-display></chat-display>
         <events-display></events-display>
       </div>
       <div class="w-full sm:w-1/3 md:max-w-72" style="pointer-events: auto">