From 519d7bda8decc81f71d7c2e38dbf4742257423bb Mon Sep 17 00:00:00 2001 From: meareabc <74286633+meareabc@users.noreply.github.com> Date: Wed, 28 Oct 2026 09:03:12 +0800 Subject: [PATCH] Add MiniMax H3 spatial guides and position editor --- .gitignore | 7 + LICENSE | 674 ++++++++++++++++++++++++++++++++++++ README.md | 48 +++ __init__.py | 158 +++++++++ docs/position-editor.png | Bin 0 -> 3376 bytes pyproject.toml | 14 + tests/test_spatial_guide.py | 147 ++++++++ web/guide_position.js | 259 ++++++++++++++ 8 files changed, 1307 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.md create mode 100644 __init__.py create mode 100644 docs/position-editor.png create mode 100644 pyproject.toml create mode 100644 tests/test_spatial_guide.py create mode 100644 web/guide_position.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c235f5c --- /dev/null +++ b/.gitignore @@ -0,0 +1,7 @@ +__pycache__/ +*.py[cod] +.pytest_cache/ +*.egg-info/ +dist/ +build/ +.env diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..815714c --- /dev/null +++ b/README.md @@ -0,0 +1,48 @@ +# MiniMax H3 Spatial Guide + +Native-size image/video guides and a drag-to-position editor for ComfyUI's native MiniMax H3 model. No additional Python dependencies. + +![Drag the guide rectangle to choose its position](docs/position-editor.png) + +## Install + +Place this repository in `ComfyUI/custom_nodes/ComfyUI-MiniMaxH3-SpatialGuide`, restart ComfyUI, and refresh the browser. Requires a ComfyUI version with native MiniMax H3 support. If installing by URL through Manager, use this repository's Git URL. + +```bash +cd ComfyUI/custom_nodes +git clone https://github.com/meareabc/ComfyUI-MiniMaxH3-SpatialGuide.git +``` + +## Nodes + +**Add Spatial Guide for MiniMax H3** + +- Connect H3 `model`, `positive`, video `vae`, target AV `latent`, and guide frames `image`. +- The guide keeps its input dimensions. `x` and `y` locate its **top-left corner** in target pixels: positive x moves right, positive y moves down. +- Connect **both output MODEL and positive** to the sampler/guider. Connect the target latent directly to the sampler. +- For audio, chain a native Add Guide after this node with only its audio inputs connected. + +**MiniMax H3 Guide Position** + +- Set `guide_width`, `guide_height`, `canvas_width`, and `canvas_height`, or connect their INT inputs. +- Drag the blue guide rectangle; its size stays fixed. Hold Shift to snap movement to 32 pixels. Center and Origin buttons provide quick alignment. +- Connect its `x` and `y` outputs to Add Spatial Guide's corresponding inputs. Coordinates save with the workflow and can also be edited numerically. +- Linked Primitive values update the preview immediately. Dimensions computed by other backend nodes synchronize after execution; before the first run the preview uses the saved dimensions. Enter sizes directly for an exact preview before running. + +For a 640×480 guide on a 960×480 canvas, `x=0,y=0` leaves 320 pixels to the right; `x=160,y=0` centers it. For a 480×640 guide on a 480×960 canvas, use `x=0,y=160` to center it vertically. + +## Behavior and validation + +Video guides follow native Add Guide's valid lengths: 5, 22, 39… frames; batches below 5 frames use the first image. Nonmultiples of 32 are padded at the right/bottom with replicated edges, without scaling. This is positional conditioning, so generated pixels can change inside the guide region. + +CPU tests cover native-size coordinates, mixed guides/audio/references, clone isolation, registration, and a small native H3 forward. Full pretrained outpainting quality has not been validated. + +```bash +python -m unittest discover -s custom_nodes/ComfyUI-MiniMaxH3-SpatialGuide/tests -v +``` + +## 中文使用说明 + +重启并刷新后搜索 **MiniMax H3 Guide Position**，输入参考宽高和目标画布宽高，在预览里拖动蓝框。输出的 `x/y` 接到 **Add Spatial Guide for MiniMax H3**；表示参考区域左上角坐标，原点在目标画布左上角。按住 Shift 拖动可按 32 像素对齐，也可点击居中或左上归零。 + +Spatial Guide 的 **MODEL 和 positive 两个输出都要连接到采样器**，目标 latent 直接接采样器。音频可用原生 Add Guide 单独添加。 diff --git a/__init__.py b/__init__.py new file mode 100644 index 0000000..a02adfe --- /dev/null +++ b/__init__.py @@ -0,0 +1,158 @@ +import copy +import math + +import torch +import torch.nn.functional as F + +import comfy.conds +import comfy.patcher_extension +import nodes +from comfy.ldm.minimax.model import FRAME_PER_TOKEN +from comfy_api.latest import ComfyExtension, io + + +GUIDE_POSITION = "minimax_h3_spatial_guide" +WEB_DIRECTORY = "./web" + + +def spatial_guide_layout(native, keyframes): + _, _, height, width, _ = native.signature + frame_rows = (height // 2) * (width // 2) + spacing = 64.0 / math.sqrt(height * width) + guides = iter(kf for kf in keyframes if kf.get("latent") is not None) + position_parts, segments = [], [] + img_pos, img_update, audio_pos, audio_update = [], [], [], [] + cursor = 0 + for start, stop, kind in native.segments: + positions = native.position_ids[start:stop] + if kind == "cond": + guide = next(guides) + if GUIDE_POSITION in guide: + x, y = guide[GUIDE_POSITION] + _, _, time, h, w = guide["latent"].shape + grid = positions.new_empty(time, h // 2, w // 2, 3) + grid[..., 0] = positions[::frame_rows, 0][:, None, None] + hh = torch.arange(h // 2, dtype=positions.dtype, device=positions.device) + ww = torch.arange(w // 2, dtype=positions.dtype, device=positions.device) + grid[..., 1] = positions[0, 1] + (hh[:, None] + y / 32.0) * spacing + grid[..., 2] = positions[0, 2] + (ww[None, :] + x / 32.0) * spacing + positions = grid.reshape(-1, 3) + count = positions.shape[0] + position_parts.append(positions) + segments.append((cursor, cursor + count, kind)) + if kind in ("cond", "ref_img", "video"): + img_pos.append(torch.arange(cursor, cursor + count)) + img_update.append(torch.full((count,), kind == "video", dtype=torch.bool)) + elif kind in ("cond_audio", "ref_audio", "audio"): + audio_pos.append(torch.arange(cursor, cursor + count)) + audio_update.append(torch.full((count,), kind == "audio", dtype=torch.bool)) + cursor += count + + layout = copy.copy(native) + layout.position_ids = torch.cat(position_parts) + layout.segments = segments + layout.seq_len = cursor + layout.img_pos = torch.cat(img_pos) + layout.img_update = torch.cat(img_update) + layout.audio_pos = torch.cat(audio_pos) + layout.audio_update = torch.cat(audio_update) + return layout + + +def spatial_guide_sample(executor, model_wrap, *args, **kwargs): + for conditions in model_wrap.conds.values(): + for condition in conditions: + model_conds = condition["model_conds"] + payload = model_conds["minimax_payload"].cond + keyframes = payload.get("keyframes", []) + if any(GUIDE_POSITION in kf for kf in keyframes): + payload = dict(payload, layout=spatial_guide_layout(payload["layout"], keyframes)) + model_conds["minimax_payload"] = comfy.conds.CONDConstant(payload) + return executor(model_wrap, *args, **kwargs) + + +def patch_spatial_guides(model): + patched = model.clone() + wrapper_type = comfy.patcher_extension.WrappersMP.SAMPLER_SAMPLE + if not patched.get_wrappers(wrapper_type, GUIDE_POSITION): + patched.add_wrapper_with_key(wrapper_type, GUIDE_POSITION, spatial_guide_sample) + return patched + + +class MiniMaxH3AddSpatialGuide(io.ComfyNode): + @classmethod + def define_schema(cls): + return io.Schema( + node_id="MiniMaxH3AddSpatialGuide", + display_name="Add Spatial Guide for MiniMax H3", + category="model/conditioning/minimax", + description="Place an image or video guide at its original size within the target canvas. Connect both MODEL and positive outputs to the sampler.", + inputs=[ + io.Model.Input("model"), + io.Conditioning.Input("positive"), + io.Vae.Input("vae"), + io.Latent.Input("latent"), + io.Image.Input("image", tooltip="Guide frames at their original size. Video uses 5, 22, 39... frames, matching the native Add Guide node."), + io.Int.Input("frame_idx", default=0, min=-9999, max=9999), + io.Int.Input("x", default=0, min=-nodes.MAX_RESOLUTION, max=nodes.MAX_RESOLUTION, + tooltip="Guide's left edge in target pixels. Use half the width difference to center it."), + io.Int.Input("y", default=0, min=-nodes.MAX_RESOLUTION, max=nodes.MAX_RESOLUTION, + tooltip="Guide's top edge in target pixels. Use half the height difference to center it."), + ], + outputs=[io.Model.Output(), io.Conditioning.Output(display_name="positive")], + ) + + @classmethod + def execute(cls, model, positive, vae, latent, image, frame_idx=0, x=0, y=0) -> io.NodeOutput: + samples = latent["samples"] + if not samples.is_nested or len(samples.tensors) != 2 or samples.tensors[0].ndim != 5 or samples.tensors[0].shape[1] != 24: + raise ValueError("MiniMaxH3AddSpatialGuide expects a MiniMax H3 AV latent") + frame_count = sum(FRAME_PER_TOKEN[k % 5] for k in range(samples.tensors[0].shape[2])) + guide_frames = image.shape[0] + guide_frames = 1 if guide_frames < 5 else guide_frames - (guide_frames - 5) % 17 + resolved = frame_idx if frame_idx >= 0 else frame_count + frame_idx + if resolved < 0 or resolved + guide_frames > frame_count: + raise ValueError("a {} frame guide at frame_idx {} does not fit in the video's {} frames".format(guide_frames, frame_idx, frame_count)) + + frames = image[:guide_frames, ..., :3] + height, width = frames.shape[1:3] + # Complete VAE/DiT patches without scaling or cropping the source. + if height % 32 or width % 32: + frames = F.pad(frames.movedim(-1, 1), (0, -width % 32, 0, -height % 32), mode="replicate").movedim(1, -1) + keyframe = {"resolved_frame_index": resolved, "latent": vae.encode(frames), GUIDE_POSITION: (x, y)} + positive = [[cond, {**options, "minimax_keyframes": list(options.get("minimax_keyframes", [])) + [keyframe]}] + for cond, options in positive] + return io.NodeOutput(patch_spatial_guides(model), positive) + + +class MiniMaxH3GuidePosition(io.ComfyNode): + @classmethod + def define_schema(cls): + return io.Schema( + node_id="MiniMaxH3GuidePosition", + display_name="MiniMax H3 Guide Position", + category="model/conditioning/minimax", + description="Drag the guide rectangle inside the target canvas. Outputs the guide's top-left x/y in target pixels.", + inputs=[ + io.Int.Input("guide_width", default=640, min=1, max=nodes.MAX_RESOLUTION), + io.Int.Input("guide_height", default=480, min=1, max=nodes.MAX_RESOLUTION), + io.Int.Input("canvas_width", default=960, min=1, max=nodes.MAX_RESOLUTION), + io.Int.Input("canvas_height", default=480, min=1, max=nodes.MAX_RESOLUTION), + io.Int.Input("x", default=0, min=-nodes.MAX_RESOLUTION, max=nodes.MAX_RESOLUTION, socketless=True), + io.Int.Input("y", default=0, min=-nodes.MAX_RESOLUTION, max=nodes.MAX_RESOLUTION, socketless=True), + ], + outputs=[io.Int.Output(display_name="x"), io.Int.Output(display_name="y")], + ) + + @classmethod + def execute(cls, guide_width, guide_height, canvas_width, canvas_height, x, y) -> io.NodeOutput: + return io.NodeOutput(x, y, ui={"guide_size": [guide_width, guide_height], "canvas_size": [canvas_width, canvas_height]}) + + +class MiniMaxH3SpatialGuideExtension(ComfyExtension): + async def get_node_list(self): + return [MiniMaxH3AddSpatialGuide, MiniMaxH3GuidePosition] + + +async def comfy_entrypoint(): + return MiniMaxH3SpatialGuideExtension() diff --git a/docs/position-editor.png b/docs/position-editor.png new file mode 100644 index 0000000000000000000000000000000000000000..53f957979ed6180b75d952ec4d21b7b33ec27aa7 GIT binary patch literal 3376 zcmd5%-w6PKHvF5@-vWR}nYy3c@dx$H%+#bk0PK>(PoMHmB+rhkVgu!YtOafX zmb1)AL9;RsHf9c#TV6u>=i3&3+q~Wl8r^#!a&?r z7`TI$usCSn-ab6nu@R&R#E;+G4x~B$*sRfanh!*HxOAfH5Raj3vW({-+3{uC;rY~r z$IQwjvrr5wyfOL^5Ye4YEk^X;eYM*s3dk754_Y!`M`c$~8yEp}4bUa&g+?Px*pZ*d zU^@Zm6yL6tQ+4F$l0Rqt0nkpy@#%Lzi}^-l#}jG{&$sOIb^UFC{#6v8z?*=>G_m5Nm&nos^jcr-Of#O=I;oqWc`x%fpC7~k z&(7tsM>0lnQz)QwBceTqw^pcmgXO5}CXhZ91SE^&caVs> zz$y_MU?)+GJIk1_hdFJJ8tCIQlfe8_n}A03cH3qQEK!L+?EP|X7XbFirI}@ABktf< zjt8`#90hg-|A7N7fr48dwf0gf_CDoHuzyF3pO`FzWOxm& zJ%4`C+YWs$=p9DgY6)5W5Az%R;YE5%L!X5fGNQk3$c+79N{+D*Be(q%(%*dhPl$g6 z%NMPuG!8vu`1^%-IdtTC=G5ht*KjwG7oawvjJt?_D4Rk#x31J@*BBHH+FKL3R?4V` z@OblLUvV7+k`6+Djs4El4@1R5m>^fu`$26_4|f(*e5bM`GqepQ&4Mz0F(e36r;*R` zM`uw}jJ@ojw3Z(}^gk9_G-HF) zOJO6ZVDOSf^)c>-8dcXqv0LfzST|lurctcZ`(_gVel%Uj)n@9LR*$`yu-8?O;sCp` zMOqT0!HnH1G*~jNu6ZE?p|k2O*mTpVxxFO#Ib=SPiuH%LsfMh{^2~Z%!lvHW!Dpjfw_fC(#ZEA5*)(o(~ zDN`@(+8rUU;y9L;!e5wI46TH|Ya2ABWSyD8sN@?Kjt|thg20&Am@sO|>l3!4F)WZ> zveH00#QM&ipLTyihH!~np#Id6wEkkUK-^AzJI#BhaeyYMJNa!T6vx(!5UkN8%jej6>Ia_CQ5iciit}a+PV=)iLDV%iCWkhBnxL7%9KnhaE-Ujm)$Gi&L=86Ka=Fb3XXK@@ zEC}~DPw)aHs^brQZhl*}c|98>>h);Ms}P}QNkPQ#lg;1+y{`8^Jsai(D|&@WY*t(- zqDoPwIQCW^)7iIL5FR`uUZW{{FM=J{?rxvVc3OX~5SbXJE;H=VHwzBz5C6V$&M`S+ z?#+y#$GI^-9YhOg5lG%wAxc&=H+B=>-Cd(w$edvKImP(X5%qZiQ98~oad5#!Tub9h zcE26f2I&v)FW8*=G}vCbpbJY`tXgahctT&D7#R+7*htpvGN*06>8`&~>XZ^6`C(FK z)jA#(b~wFJ&>k;hMm4rm3GKbi)Jk)0Ak?h$Lm&6aVXEC+rsLwSue^I?+ ziHSm#q3GmH~7~Ef1W=kI;RrCo{pYq#c`6*WckZGb^)PTywOt# z$TvI(X&Zw#v~I6f8gA%wS!x^C=e_Dh#xniYHIdg;gwx_UU`ifC=H^hhbsk__T4Rb$ zauXPH);KTsItZtUVv%ehxn8=>MlT7Lq2p?L>r1XIx!4Fk(Ms#3Qz+_UU=1nar_4^4 z$TRy4S9Yist-FI@F(_k`Yrq$d}5>yU0k(nlSqZpQWL?)vr-?-?lc zB{mWlysp{j_HiTsJ1KHb?Ey};4@F7K;G?re?39T%E4FnyW#s8s0c4pA+_joQud63F z-%mnspL1D!XEhj;Ys2%!gk~ArI)XCT`?;S?XBg)h@aHOSk8}$xXG5tBTPEm8!Wh5d z+LrQ&T%ItXsh)uyIx1vlJ=SH$VWmE9B^#eTpNHpM_Cw}}l@4!7kMbyVin1St8aIk& z item.name === name); +} + +function inputValue(node, name, visited = new Set()) { + if (visited.has(node)) return undefined; + visited = new Set(visited).add(node); + const slot = node.inputs?.findIndex((input) => input.name === name) ?? -1; + if (slot < 0 || node.inputs[slot].link == null) return widget(node, name)?.value; + const source = node.getInputNode(slot); + const link = node.getInputLink(slot); + if (!source || !link) return undefined; + const type = source.comfyClass || source.type; + if (type === "ComfySwitchNode") { + const selected = inputValue(source, "switch", visited); + return selected == null ? undefined : inputValue(source, selected ? "on_true" : "on_false", visited); + } + if (type === "Reroute") return inputValue(source, source.inputs[0].name, visited); + if (["PrimitiveInt", "PrimitiveBoolean", "PrimitiveNode", "easy int"].includes(type)) { + return inputValue(source, "value", visited); + } + return undefined; +} + +function createPositionEditor(node) { + const root = document.createElement("div"); + root.className = "h3-guide-position"; + root.style.cssText = "width:100%;height:290px;display:flex;flex-direction:column;gap:6px;box-sizing:border-box;padding:6px;color:#dce5ef;font:12px sans-serif;"; + const canvas = document.createElement("canvas"); + canvas.style.cssText = "width:100%;height:218px;flex:1;min-height:100px;border:1px solid #435066;border-radius:5px;box-sizing:border-box;touch-action:none;cursor:grab;"; + canvas.setAttribute("aria-label", "Drag guide position / 拖动参考区域"); + const row = document.createElement("div"); + row.style.cssText = "display:flex;gap:6px;align-items:center;"; + const status = document.createElement("div"); + status.style.cssText = "white-space:nowrap;font-size:11px;color:#a9b8cb;min-height:14px;"; + const coordinates = document.createElement("span"); + coordinates.style.marginLeft = "auto"; + const context = canvas.getContext("2d"); + let view; + let drag; + let liveKey; + let frame; + let removed = false; + + function dimensions() { + const values = DIMENSIONS.map((name, index) => { + const linked = inputValue(node, name); + const stored = node.properties?.h3GuideSize?.[index]; + return Number(linked ?? stored ?? widget(node, name)?.value); + }); + return values.every((value) => Number.isFinite(value) && value > 0) ? values : null; + } + + function position() { + return [Number(widget(node, "x").value), Number(widget(node, "y").value)]; + } + + function setPosition(x, y) { + for (const [name, value] of [["x", x], ["y", y]]) { + const target = widget(node, name); + target.value = Math.max(target.options?.min ?? -16384, Math.min(target.options?.max ?? 16384, Math.round(value))); + target.callback?.(target.value); + } + node.graph?.setDirtyCanvas(true, true); + draw(); + } + + function draw() { + if (removed) return; + const bounds = canvas.getBoundingClientRect(); + if (!bounds.width || !bounds.height) return; + const dpr = window.devicePixelRatio || 1; + const width = Math.round(bounds.width * dpr); + const height = Math.round(bounds.height * dpr); + if (canvas.width !== width || canvas.height !== height) { + canvas.width = width; + canvas.height = height; + } + context.setTransform(dpr, 0, 0, dpr, 0, 0); + context.fillStyle = "#111923"; + context.fillRect(0, 0, bounds.width, bounds.height); + const sizes = dimensions(); + if (!sizes) { + status.textContent = "请填写参考宽高和画布宽高 / Enter dimensions"; + return; + } + const [gw, gh, cw, ch] = sizes; + const [x, y] = position(); + if (!drag) { + const left = Math.min(0, x), top = Math.min(0, y); + const right = Math.max(cw, x + gw), bottom = Math.max(ch, y + gh); + const scale = Math.min((bounds.width - 36) / (right - left), (bounds.height - 36) / (bottom - top)); + view = { scale, ox: (bounds.width - (right - left) * scale) / 2 - left * scale, + oy: (bounds.height - (bottom - top) * scale) / 2 - top * scale }; + } + const { scale, ox, oy } = view; + context.fillStyle = "#233247"; + context.fillRect(ox, oy, cw * scale, ch * scale); + context.strokeStyle = "#7d8fa8"; + context.lineWidth = 1; + context.strokeRect(ox, oy, cw * scale, ch * scale); + context.save(); + context.beginPath(); + context.rect(ox, oy, cw * scale, ch * scale); + context.clip(); + context.strokeStyle = "#384b62"; + for (let i = 1; i < 3; i++) { + context.beginPath(); + context.moveTo(ox + cw * scale * i / 3, oy); + context.lineTo(ox + cw * scale * i / 3, oy + ch * scale); + context.moveTo(ox, oy + ch * scale * i / 3); + context.lineTo(ox + cw * scale, oy + ch * scale * i / 3); + context.stroke(); + } + context.restore(); + context.fillStyle = "rgba(64, 164, 217, 0.35)"; + context.fillRect(ox + x * scale, oy + y * scale, gw * scale, gh * scale); + context.strokeStyle = "#65d5ff"; + context.lineWidth = 2; + context.strokeRect(ox + x * scale, oy + y * scale, gw * scale, gh * scale); + context.fillStyle = "#d2f5ff"; + context.font = "12px sans-serif"; + context.textAlign = "center"; + context.fillText("Guide", ox + (x + gw / 2) * scale, oy + (y + gh / 2) * scale + 4); + coordinates.textContent = `x ${x} · y ${y}`; + const unresolved = DIMENSIONS.some((name) => inputValue(node, name) == null); + status.textContent = `Guide ${gw}×${gh} → ${cw}×${ch}${unresolved ? " · 连线尺寸运行后同步" : ""}`; + } + + function button(label, action) { + const element = document.createElement("button"); + element.type = "button"; + element.textContent = label; + element.style.cssText = "background:#26364b;color:#e1efff;border:1px solid #506783;border-radius:4px;padding:4px 8px;cursor:pointer;"; + element.addEventListener("click", () => { + const sizes = dimensions(); + if (!sizes) return; + node.graph?.beforeChange(); + action(sizes); + node.graph?.afterChange(); + }); + row.appendChild(element); + } + button("居中 / Center", ([gw, gh, cw, ch]) => setPosition((cw - gw) / 2, (ch - gh) / 2)); + button("左上 / Origin", () => setPosition(0, 0)); + row.appendChild(coordinates); + root.append(canvas, row, status); + root.title = "拖动蓝框调整左上角坐标；按住 Shift 以 32 像素对齐。"; + for (const type of ["pointerdown", "pointerup", "mousedown", "mouseup", "click", "dblclick"]) { + root.addEventListener(type, (event) => event.stopPropagation()); + } + canvas.addEventListener("pointerdown", (event) => { + if (event.button !== 0 || !view || !dimensions()) return; + const bounds = canvas.getBoundingClientRect(); + const [x, y] = position(); + const [gw, gh] = dimensions(); + const px = (event.clientX - bounds.left - view.ox) / view.scale; + const py = (event.clientY - bounds.top - view.oy) / view.scale; + if (px < x || py < y || px > x + gw || py > y + gh) return; + event.preventDefault(); + node.graph?.beforeChange(); + drag = { id: event.pointerId, x, y, px: event.clientX, py: event.clientY }; + canvas.setPointerCapture(event.pointerId); + canvas.style.cursor = "grabbing"; + }); + canvas.addEventListener("pointermove", (event) => { + if (!drag || event.pointerId !== drag.id) return; + const step = event.shiftKey ? 32 : 1; + setPosition(Math.round((drag.x + (event.clientX - drag.px) / view.scale) / step) * step, + Math.round((drag.y + (event.clientY - drag.py) / view.scale) / step) * step); + }); + function endDrag() { + if (!drag) return; + drag = null; + canvas.style.cursor = "grab"; + node.graph?.afterChange(); + draw(); + } + canvas.addEventListener("lostpointercapture", endDrag); + canvas.addEventListener("pointerup", endDrag); + canvas.addEventListener("pointercancel", endDrag); + + const domWidget = node.addDOMWidget("guide_position_preview", "div", root, { + serialize: false, hideOnZoom: false, + getMinHeight: () => HEIGHT, getMaxHeight: () => HEIGHT, getHeight: () => HEIGHT, + }); + domWidget.computeSize = (width) => [width, HEIGHT]; + const observer = new ResizeObserver(draw); + observer.observe(canvas); + for (const name of [...DIMENSIONS, "x", "y"]) { + const target = widget(node, name); + const original = target.callback; + target.callback = function (...args) { + const result = original?.apply(this, args); + draw(); + return result; + }; + } + // Linked primitives may change without calling this node's widget callbacks. + function refresh() { + if (removed) return; + const bounds = canvas.getBoundingClientRect(); + const key = JSON.stringify([dimensions(), position(), bounds.width, bounds.height]); + if (key !== liveKey) { + liveKey = key; + draw(); + } + frame = requestAnimationFrame(refresh); + } + frame = requestAnimationFrame(refresh); + node.setSize([Math.max(node.size[0], 390), Math.max(node.size[1], node.computeSize()[1])]); + return { + draw, + remove() { + removed = true; + cancelAnimationFrame(frame); + observer.disconnect(); + }, + }; +} + +app.registerExtension({ + name: "MiniMaxH3.SpatialGuidePosition", + async beforeRegisterNodeDef(nodeType, nodeData) { + if (nodeData.name !== "MiniMaxH3GuidePosition") return; + const created = nodeType.prototype.onNodeCreated; + nodeType.prototype.onNodeCreated = function (...args) { + const result = created?.apply(this, args); + this.h3PositionEditor = createPositionEditor(this); + return result; + }; + const configured = nodeType.prototype.onConfigure; + nodeType.prototype.onConfigure = function (...args) { + const result = configured?.apply(this, args); + requestAnimationFrame(() => this.h3PositionEditor?.draw()); + return result; + }; + const executed = nodeType.prototype.onExecuted; + nodeType.prototype.onExecuted = function (message, ...args) { + const result = executed?.call(this, message, ...args); + if (message.guide_size && message.canvas_size) { + this.properties ??= {}; + this.properties.h3GuideSize = [...message.guide_size, ...message.canvas_size]; + this.h3PositionEditor?.draw(); + } + return result; + }; + const removed = nodeType.prototype.onRemoved; + nodeType.prototype.onRemoved = function (...args) { + this.h3PositionEditor?.remove(); + return removed?.apply(this, args); + }; + }, +});