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extractTextures.py
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extractTextures.py
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"""
1.解压该文件目录下的Mincecraft模组jar文件，找到textures、blockstates文件夹
2.读取blockstates文件夹，根据提供的方块RegisterID，找到 {Register}，json
{Register}，json中，读取variants或者defaults字段
第一层为元数据名
3.在textures中找对应材质
4.创建文件夹，储存模组中的各个blockstates对应的元数据名的textures
5.重命名文件
如果model字段为cube，那么：
将down对应的文件改名为bottom.png，将up对应的文件改名为top.png，将north对应的文件改名为left.png，
将south对应的文件改名为right.png，将west对应的文件改名为front.png，将east对应的文件改名为back.png
如果model字段为cube_all，那么：
将all对应的文件改名为fill.png
Ex:Magneticraft_1.12-2.8.5-dev.jar\assets\magneticraft\blockstates\multiblock_parts.json
{
"forge_marker": 1,
"variants": {
"base": [{
"model": "cube",
"textures": {
"particle": "magneticraft:blocks/multiblock_parts/base_top",
"down": "magneticraft:blocks/multiblock_parts/base_bottom",
"up": "magneticraft:blocks/multiblock_parts/base_top",
"north": "magneticraft:blocks/multiblock_parts/base_side",
"east": "magneticraft:blocks/multiblock_parts/base_side",
"south": "magneticraft:blocks/multiblock_parts/base_side",
"west": "magneticraft:blocks/multiblock_parts/base_side"
}
}],
"electric": [{
"model": "cube_all",
"textures": {
"all": "magneticraft:blocks/multiblock_parts/electric"
}
}],
"grate": [{
"model": "cube_all",
"textures": {
"all": "magneticraft:blocks/multiblock_parts/iron_grate"
}
}],
"striped": [{
"model": "cube_all",
"textures": {
"all": "magneticraft:blocks/multiblock_parts/striped"
}
}],
"copper_coil": [{
"model": "cube",
"textures": {
"particle": "magneticraft:blocks/multiblock_parts/copper_coil",
"down": "magneticraft:blocks/multiblock_parts/copper_coil",
"up": "magneticraft:blocks/multiblock_parts/copper_coil",
"north": "magneticraft:blocks/multiblock_parts/copper_coil_side",
"east": "magneticraft:blocks/multiblock_parts/copper_coil_side",
"south": "magneticraft:blocks/multiblock_parts/copper_coil_side",
"west": "magneticraft:blocks/multiblock_parts/copper_coil_side"
}
}],
"corrugated_iron": [{
"model": "cube",
"textures": {
"particle": "magneticraft:blocks/multiblock_parts/corrugated_iron",
"down": "magneticraft:blocks/multiblock_parts/corrugated_iron",
"up": "magneticraft:blocks/multiblock_parts/corrugated_iron",
"north": "magneticraft:blocks/multiblock_parts/corrugated_iron_side",
"east": "magneticraft:blocks/multiblock_parts/corrugated_iron_side",
"south": "magneticraft:blocks/multiblock_parts/corrugated_iron_side",
"west": "magneticraft:blocks/multiblock_parts/corrugated_iron_side"
}
}]
}
}
文件夹Ex：
{magneticraft}
[multiblock_parts]
(base)(electric)(grate)(striped)(copper_coil)(corrugated_iron)
(base):
blockstates.json | top.png | left.png | right.png | bottom.png | front.png | back.png
(electric):
fill.png
"""
import json
import os
import shutil
import zipfile
def checkAndOutputTextures(metadata_name, model, modid, register_id, textures, textures_root):
# try:
if model == 'cube' or model == "minecraft:cube":
mapping = {'down': 'bottom.png', 'up': 'top.png', 'north': 'left.png', 'south': 'right.png',
'west': 'front.png', 'east': 'back.png'}
for old_name, new_name in mapping.items():
texture_path = (os.path.join(textures_root, textures[old_name][len(modid + ':'):] + ".png")
.replace('/', "\\"))
exportFile = modid + "\\" + register_id + "\\" + metadata_name
os.makedirs(exportFile, exist_ok=True)
shutil.copy(str(texture_path), os.path.join(exportFile, new_name))
elif model == 'cube_all' or model == "minecraft:cube_all":
texture_path = os.path.join(textures_root, textures['all'][len(modid + ':'):] + ".png")
exportFile = modid + "\\" + register_id + "\\" + metadata_name
os.makedirs(exportFile, exist_ok=True)
shutil.copy(str(texture_path), os.path.join(exportFile, 'fill.png'))
elif model == 'cube_column' or model == "minecraft:cube_column":
sideTexture_path = os.path.join(textures_root, textures['side'][len(modid + ':'):] + ".png")
endTexture_path = os.path.join(textures_root, textures['end'][len(modid + ':'):] + ".png")
exportFile = modid + "\\" + register_id + "\\" + metadata_name
os.makedirs(exportFile, exist_ok=True)
for i in ['left.png', 'right.png', 'front.png', 'back.png']:
shutil.copy(str(sideTexture_path), os.path.join(exportFile, i))
for i in ['bottom.png', 'top.png']:
shutil.copy(str(endTexture_path), os.path.join(exportFile, i))
elif model == 'cube_bottom_top' or model == "minecraft:cube_bottom_top":
sideTexture_path = os.path.join(textures_root, textures['side'][len(modid + ':'):] + ".png")
topTexture_path = os.path.join(textures_root, textures['top'][len(modid + ':'):] + ".png")
bottomTexture_path = os.path.join(textures_root, textures['bottom'][len(modid + ':'):] + ".png")
exportFile = modid + "\\" + register_id + "\\" + metadata_name
os.makedirs(exportFile, exist_ok=True)
for i in ['left.png', 'right.png', 'front.png', 'back.png']:
shutil.copy(str(sideTexture_path), os.path.join(exportFile, i))
shutil.copy(str(topTexture_path), os.path.join(exportFile, "top.png"))
shutil.copy(str(bottomTexture_path), os.path.join(exportFile, "bottom.png"))
pass
else:
raise RuntimeError(
"无法处理：" + register_id + " " + metadata_name + "，因为存在未定义的特殊方块模型(" + str(model) + ")")
# except Exception as e:
# print(e)
def process_blockstate(json_data, modid, register_id, textures_root):
output_dir = os.path.join(textures_root, register_id)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
if json_data.get('defaults', {}):
defaultSelectVariants(modid, register_id, textures_root, json_data)
elif json_data.get('variants', {}):
variants = json_data.get('variants', {})
variantsSelectVariants(modid, register_id, textures_root, variants)
if not json_data.get('variants', {}) and not json_data.get('default', {}): raise RuntimeError(
"遇到未定义的blockstate文件")
def defaultSelectVariants(modid, register_id, textures_root, original_json):
defaults = original_json.get('defaults', {})
model = defaults.get('model', {})
if defaults.get('textures', {}):
textures = defaults.get('textures', {})
metadata_name = register_id
checkAndOutputTextures(metadata_name, model, modid, register_id, textures, textures_root)
else:
variants = original_json.get('variants', {})
for metadata_name, variant_list in variants.items():
for variant in variant_list:
textures = variant.get('textures')
checkAndOutputTextures(metadata_name, model, modid, register_id, textures, textures_root)
def variantsSelectVariants(modid, register_id, textures_root, variants):
for metadata_name, variant_list in variants.items():
for variant in variant_list:
model = variant.get('model')
textures = variant.get('textures')
# 根据 model 类型处理 textures 并重命名文件
checkAndOutputTextures(metadata_name, model, modid, register_id, textures, textures_root)
class Main:
# 解压 Minecraft 模组 jar 文件到临时目录
fileList = os.listdir("./")
modsList = [i for i in fileList if i.endswith('.jar')]
# TODO:批量ALL ↓
print("检查到目录下有" + len(modsList).__str__() + "个jar文件：" + modsList.__str__())
# TODO:批量ALL ↑
# 用户输入modid 和 方块注册名
jar_file_path = "Magneticraft_1.12-2.8.5-dev.jar" # "AdvancedRocketry-1.12.2-2.0.0-17.jar"
# "Magneticraft_1.12-2.8.5-dev.jar" 暂时只用这个，我不知道什么问题但是我用不了Input给他传参，我想弄但是明天再咕咕
modid = "magneticraft" # "advancedrocketry" #input("请输入需要提取的modid:") #magneticraft
register_id = "multiblock_parts" # "blastbrick" # input("请输入需要提取的方块注册ID:") #multiblock_parts tile_limestone
temp_dir = r'unzipped_temp'
with zipfile.ZipFile(jar_file_path, 'r') as zip_ref:
zip_ref.extractall(temp_dir)
# 找到 textures 和 blockstates 文件夹路径
textures_path = os.path.join(temp_dir, 'assets', modid, 'textures')
blockstates_path = os.path.join(temp_dir, 'assets', modid, 'blockstates')
# 获取对应的 blockstates.json 文件路径
blockstate_json_path = os.path.join(blockstates_path, f'{register_id}.json')
# 读取 blockstates.json 文件并处理其中的 variants 字段
# 加载 blockstates.json 文件并调用处理函数
if os.path.isfile(blockstate_json_path):
with open(blockstate_json_path, 'r') as file:
blockstate_json = json.load(file)
process_blockstate(blockstate_json, modid, register_id, textures_path)
# 清理临时解压目录
shutil.rmtree(temp_dir)