{"topic":{"id":6905,"title":"dandelion 好像没有撤销（Ctrl-Z）功能","slug":"topic","categoryId":56,"createdAt":"2023-10-31 05:50:50.34455","bumpedAt":"2023-11-01 14:05:22.585815","views":191,"postsCount":2,"highestPostNumber":2,"likeCount":1,"closed":true,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"RTRTRTRT","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":468,"username":"uebian","name":null,"avatarUrl":null},"tags":[]},"posts":[{"id":15474,"postNumber":1,"raw":"RTRTRTRT","cooked":"

RTRTRTRT

\n","createdAt":"2023-10-31 05:50:50.418647","updatedAt":"2023-10-31 05:50:50.418647","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":1,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":468,"username":"uebian","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":15567,"postNumber":2,"raw":"撤销是个好东西，但实现起来太困难了 :rofl:\n\n为了能够撤销各种类型的操作，大概有两种可能的方案：\n\n- 为所有的操作建立通用的记录队列并实现相应的逆操作\n- 将场景的存储方法改成增量式的，允许直接回退到之前的状态\n\n但无论哪种方案的工作量都很可观，所以撤销应该是我们计划列表中最想要但最麻烦的功能 hhh\n\n由于 1.x 版本中我设计的 `Scene` 类不是特别好，后续很可能有破坏性改动，不出意外的话撤销功能应该会被推后到 2.x 版本（也就是下一个大版本）。（之前提到的保存功能我准备在下一个小版本实现）","cooked":"

撤销是个好东西，但实现起来太困难了 🤣

为了能够撤销各种类型的操作，大概有两种可能的方案：

为所有的操作建立通用的记录队列并实现相应的逆操作
将场景的存储方法改成增量式的，允许直接回退到之前的状态

但无论哪种方案的工作量都很可观，所以撤销应该是我们计划列表中最想要但最麻烦的功能 hhh

由于 1.x 版本中我设计的 Scene 类不是特别好，后续很可能有破坏性改动，不出意外的话撤销功能应该会被推后到 2.x 版本（也就是下一个大版本）。（之前提到的保存功能我准备在下一个小版本实现）

\n","createdAt":"2023-11-01 14:05:22.585815","updatedAt":"2023-11-01 14:08:18.505797","replyToPostNumber":null,"replyCount":0,"likeCount":1,"wordCount":220,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":259,"username":"ReturnDream","name":"保密"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1381,"username":"greyishsong","name":"greyishsong","avatarUrl":"/uploads/image/da/bc/dabc731b0311f59850625bbeb55ed969fcfac0430c5ef0f68441e5466b7aa496.avif","admin":false,"moderator":true,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}