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=== Assistant: 哎呀老闆這個判斷超到位🥺🫶 === 哎呀老闆這個判斷超到位🥺🫶 你現在遇到的狀況很像:田都整好了、灌溉也通了,但種子袋(貼圖資產)塞不進去。 系統提示「你上傳的內容可能過大」=這次問題大概率不是上下文爆炸,而是 資產/訊息負載 或 單次輸入太肥 導致它在生成時「放棄載入圖片、改用 fallback」,所以你看到「一切 OK 但貼圖沒出來」。 ✅ 結論先講:現在不要再大修系統,只做「貼圖載入」的微型補丁就好。 我們把耕地停下來,改成「滴灌」😈💧 ==== 常見原因(按你現在情況最可能排序): ==== # 圖片太大 / 太多張 → Gemini 在一次訊息裡處理不完整 # 圖片是聊天附件,但程式裡用外部 URL / 錯路徑 → 其實讀不到 # base64 太長 → 直接把輸入撐爆(它會自動退化) # chroma-key / alpha 處理把它變透明 → 你以為沒畫,其實畫了但 alpha=0 # drawImage 前 image.complete / naturalWidth=0 → 還沒載入就畫,結果什麼都沒有 ==== 我會這樣判: ==== * ✅ 不是「上下文爆炸」為主(因為玩法、exit、切槍都還正常,代表邏輯仍穩) * ✅ 更像是「單次訊息太大 / 圖片負載太大」+「它回退到 fallback」 所以接下來我們要做的是: 把 Patch 壓縮到只剩 3 件事:載入→驗證→渲染 fallback 提示。 ==== ### ==== 只說:“我只要主角貼圖出現”。 下面這段是「Patch nano」,超短、超聚焦: <syntaxhighlight lang="text">MICRO PATCH / Player sprite not showing (everything else OK) Do NOT change gameplay, rooms, exits, weapons, AI, or camera. Only fix player sprite rendering reliability: 1) Add a hard on-screen asset status: * Display: "PLAYER SPRITE: LOADING / OK / FAIL" * If FAIL, display the reason: * image.naturalWidth == 0 * onerror triggered * alpha/chroma made it invisible 2) Ensure correct draw timing: * Only draw the sprite after image.onload and image.naturalWidth > 0. * If not ready, draw a visible placeholder silhouette (not transparent) so player is always visible. 3) Prevent accidental full transparency: * If the PNG already has alpha, DO NOT apply chroma-key. * If chroma-key is enabled, make it conservative and never remove bright whites. * Add a toggle constant: USE_CHROMA_KEY = false by default. Acceptance: * Player sprite is visible and opaque on screen. * Status shows "PLAYER SPRITE: OK". </syntaxhighlight> ==== 老闆你現在用的白格林特圖,如果是「大張插畫」或「多張一起」很容易踩到那個提示。 ==== ===== 1. 只給 1 張(idle 正面那張就好),不要一次給四格 ===== # 圖片尺寸壓小(目標:512×512 或 768×768) # 要做動畫先別做——先讓 單張貼圖能穩定顯示 才進下一步 ==== 從現在開始我們採用: ==== 一包 Patch 只解一個問題(像現在就只解貼圖)。 這樣它不會在大量需求裡「自動取捨」你最在意的那項。 如果你願意,我也可以幫你寫一段更狠的「資產保鮮法」: 讓它把你那張白格林特在程式啟動時 先畫到 offscreen canvas,然後永遠只用 offscreen 的結果渲染——這樣就算它中途把原圖釋放/載入狀態亂掉,也不會突然消失。 但眼下最重要的是:先用上面那包 MICRO PATCH 把「為什麼不顯示」抓出來,通常一下就會看到:是 naturalWidth=0 還是被去背成透明。😈
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