134 lines
4.7 KiB
Python
134 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
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"""把 box_of_nails.bbmodel 转换为网易自定义方块模型(netease:block_geometry)。
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转换规则（与官方 CustomBlocksMod 示例的 bbmodel->json 实测结果一致）：
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cube.origin = [-to.x, from.y, from.z]
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cube.size = to - from
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cube.pivot = [-bb.origin.x, bb.origin.y, bb.origin.z]
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cube.rotation / bone.rotation = [-rx, -ry, rz]
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uv: up 面 -> uv=[x2,y2], uv_size=[x1-x2, y1-y2]
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其余面 -> uv=[x1,y1], uv_size=[x2-x1, y2-y1]
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负的 uv_size 表示贴图镜像（与原格式一致）
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贴图为空(texture=null 或零面积)的面不输出
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"""
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import base64
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import json
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import os
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ROOT = r"e:\MCStudioDownload\work\3027246179@qq.com\Cpp\AddOn\0aaaa4f2f16c46e8964025a5ab0ecc02"
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RES = os.path.join(ROOT, "resource_pack_t7eJjrxY")
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SRC = r"c:\Users\30272\.trae-cn\attachments\6ac7514c01a7d726cbee7358\7dc21437-b0c4-442b-a225-1ce20d2bdbbc_593d488a-acae-4a41-a007-98367aec6727_box_of_nails.bbmodel"
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TEX_NAME = "box_of_nails"
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TEX_KEY = "dn_sa_" + TEX_NAME
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MODEL_ID = "dn_sa:" + TEX_NAME + "_model"
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BONE_NAME = "bone"
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FACE_ORDER = ("north", "east", "south", "west", "up", "down")
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def num(v):
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if isinstance(v, float):
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if v.is_integer():
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return int(v)
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return round(v, 4)
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return v
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def arr(v):
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return "[" + ", ".join(str(num(x)) for x in v) + "]"
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def conv_uv(el):
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out = []
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for face in FACE_ORDER:
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f = el["faces"].get(face)
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if not f or f.get("texture") is None:
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continue
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x1, y1, x2, y2 = f["uv"]
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if x1 == x2 or y1 == y2:
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continue
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if face == "up":
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entry = "{" + '"uv": %s, "uv_size": %s' % (arr([x2, y2]), arr([x1 - x2, y1 - y2]))
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else:
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entry = "{" + '"uv": %s, "uv_size": %s' % (arr([x1, y1]), arr([x2 - x1, y2 - y1]))
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if f.get("rotation"):
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entry += ', "rot": %s' % num(f["rotation"])
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entry += "}"
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out.append('"%s": %s' % (face, entry))
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return out
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def main():
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with open(SRC, "r", encoding="utf-8") as fp:
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bb = json.load(fp)
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tex = bb["textures"][0]
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tw, th = tex["width"], tex["height"]
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# 1) 贴图 -> resourcepack/textures/blocks
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raw = base64.b64decode(tex["source"].split(",", 1)[1])
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tex_dir = os.path.join(RES, "textures", "blocks")
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os.makedirs(tex_dir, exist_ok=True)
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tex_path = os.path.join(tex_dir, TEX_NAME + ".png")
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with open(tex_path, "wb") as fp:
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fp.write(raw)
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# 2) 模型 -> resourcepack/models/netease_block
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cube_blocks = []
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for el in bb["elements"]:
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lines = []
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lines.append("\t\t\t\t\t{")
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body = []
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body.append('"origin": %s' % arr([-el["to"][0], el["from"][1], el["from"][2]]))
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body.append('"size": %s' % arr([el["to"][i] - el["from"][i] for i in range(3)]))
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if el.get("rotation"):
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body.append('"pivot": %s' % arr([-el["origin"][0], el["origin"][1], el["origin"][2]]))
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body.append('"rotation": %s' % arr([-el["rotation"][0], -el["rotation"][1], el["rotation"][2]]))
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uv_lines = conv_uv(el)
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txt = ",\n".join("\t\t\t\t\t\t%s" % b for b in body)
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txt += ',\n\t\t\t\t\t\t"uv": {\n'
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txt += ",\n".join("\t\t\t\t\t\t\t%s" % u for u in uv_lines)
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txt += "\n\t\t\t\t\t\t}"
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lines.append(txt)
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lines.append("\t\t\t\t\t}")
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cube_blocks.append("\n".join(lines))
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model = []
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model.append("{")
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model.append('\t"format_version": "1.13.0",')
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model.append('\t"netease:block_geometry": {')
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model.append('\t\t"description": {')
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model.append('\t\t\t"identifier": "%s",' % MODEL_ID)
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model.append('\t\t\t"textures": ["%s"],' % TEX_KEY)
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model.append('\t\t\t"textures_descriptions": [')
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model.append('\t\t\t\t{ "width": %d, "length": %d }' % (tw, th))
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model.append('\t\t\t],')
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model.append('\t\t\t"use_ao": true')
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model.append('\t\t},')
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model.append('\t\t"bones": [')
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model.append('\t\t\t{')
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model.append('\t\t\t\t"name": "%s",' % BONE_NAME)
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model.append('\t\t\t\t"pivot": [0, 0, 0],')
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model.append('\t\t\t\t"cubes": [')
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model.append(",\n".join(cube_blocks))
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model.append('\t\t\t\t]')
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model.append('\t\t\t}')
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model.append('\t\t]')
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model.append('\t}')
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model.append('}')
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text = "\n".join(model) + "\n"
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model_dir = os.path.join(RES, "models", "netease_block")
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os.makedirs(model_dir, exist_ok=True)
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model_path = os.path.join(model_dir, TEX_KEY + ".json")
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with open(model_path, "w", encoding="utf-8", newline="\n") as fp:
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fp.write(text)
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print("texture ->", tex_path)
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print("model ->", model_path)
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print("identifier:", MODEL_ID, "| terrain_texture key:", TEX_KEY, "| %dx%d" % (tw, th))
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print("cubes:", len(bb["elements"]))
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if __name__ == "__main__":
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main() |