Image2Banners/json_to_banners.py at main · MARSTeamMC/Image2Banners · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
import base64
import json
import math
import re
from concurrent.futures import as_completed, ProcessPoolExecutor
from io import BytesIO
from pathlib import Path

import cv2
import numpy as np
from PIL import Image

import list_to_banner
from utils import print_with_flush, get_assets_folder

executor = None

def banner_gen(json_path, threads_count):
    with open(json_path, 'r', encoding='utf-8') as f:
        banner_json = json.load(f)

    banner_json = replace_old_texture_names(banner_json)

    resolution = banner_json['resolution']
    resolution_width = int(resolution[0])
    resolution_height = int(resolution[1])

    only_banners = banner_json.copy()
    only_banners.pop('resolution')

    full = Image.new("RGBA", (resolution_width*22, resolution_height*22))

    blocks = [i for i in range(resolution_width*math.ceil(resolution_height))]
    banners = [i for i in range(resolution_width*math.ceil(resolution_height))]

    section_bar = 0
    global executor
    executor = ProcessPoolExecutor(max_workers=threads_count)
    futures = [executor.submit(process_section, c, section)
               for c, section in enumerate(only_banners.items())]

    for future in as_completed(futures):
        section_bar += 1

        section_num = int(future.result()[0])
        coords = future.result()[1]
        banner = future.result()[2]
        block = future.result()[3]

        blocks[section_num] = [section_num, coords, block]
        banners[section_num] = [section_num, coords, banner ]

    for section_num, coords, block in blocks:
        coords = re.sub(r"[()]", "", coords).split(",")
        x = int(coords[0])*22
        y = int(coords[1])*22

        full.paste(block, (x, y, x+22, y+22))

        block.close()

        if (section_num+1)%resolution_width==0:
            buffer = BytesIO()
            full.save(buffer, format="PNG")
            buffer.seek(0)
            image_base64 = base64.b64encode(buffer.read()).decode('utf-8')
            print_with_flush(f"imagePreview|data:image/png;base64,{image_base64}")
            print_with_flush(f'progressBar:{section_num}/{len(blocks)+len(banners)}')

    executor.shutdown()

    for section_num, coords, banner in banners[::-1]:
        if banner:
            coords = re.sub(r"[()]", "", coords).split(",")
            x = int(coords[0]) * 22
            y = int(coords[1]) * 22

            full.paste(banner, (x+1, y+2, x+21, y+41))

            banner.close()

        if (section_num+1) % resolution_width == 0:
            buffer = BytesIO()
            full.save(buffer, format="PNG")
            buffer.seek(0)
            image_base64 = base64.b64encode(buffer.read()).decode('utf-8')
            print_with_flush(f"imagePreview|data:image/png;base64,{image_base64}")
            print_with_flush(f'progressBar:{len(blocks)+len(banners)-section_num}/{len(blocks)+len(banners)}')

    buffer = BytesIO()
    full.save(buffer, format="PNG")
    buffer.seek(0)
    image_base64 = base64.b64encode(buffer.read()).decode('utf-8')
    print_with_flush(f"imagePreview|data:image/png;base64,{image_base64}")
    print_with_flush(f"update-resolution:{resolution_width}|{resolution_height}")

    file_name = Path(json_path).stem

    return full, banner_json, file_name, resolution


def process_section(c, section):
    path = f"{get_assets_folder()}/blocks/"

    coords = section[0]
    section = section[1]

    if "banner" in section:
        banner = list_to_banner.convert(section['banner'])
    else:
        banner = None

    block = Image.open(path+section['block']+".png").convert("RGBA")
    block_np = np.array(block)
    block_np = cv2.resize(block_np, (22, 22))
    block = Image.fromarray(block_np, "RGBA")

    return [c, coords, banner, block]


def replace_old_texture_names(banner_json):
    old_texture_names = {
        "dried_kelp": "dried_kelp_block",
        "powder_snow": "snow_block",
        "magma": "magma_block",
        "pale_moss_carpet": "pale_moss_block"
    }

    for part in banner_json.values():
        if "block" in part:
            block = part["block"]

            if block in old_texture_names.keys():
                part["block"] = old_texture_names[block]

    return banner_json