v1

.gitignore

@@ -114,3 +114,108 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+### PyCharm ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### PyCharm Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+/output

.idea/.gitignore

@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml

.idea/inspectionProfiles/profiles_settings.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/live-a-png.iml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (live-a-png)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/live-a-png.iml" filepath="$PROJECT_DIR$/.idea/live-a-png.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

README.md

@@ -21,6 +21,7 @@ Edit those files to populate the correct values.
 
 ## Run the code
 
+Edit `main.py` to set the directory of the extracted asset bundles.  
 Run `main.py` in the terminal to start the application.
 
 ## Development: Making changes

image_assembler.py

@@ -0,0 +1,44 @@
+import math
+from PIL import Image
+
+
+class ImageAssembler:
+    def __init__(self, metadata, atlas: Image, cell_size: int, padding: int):
+        self.atlas = atlas
+        self.atlas_width_cells = int(atlas.size[0] / cell_size)
+        self.atlas_height_cells = int(atlas.size[1] / cell_size)
+
+        self.cell_size = cell_size
+        self.padding = padding
+        self.metadata = metadata
+
+        self.output = Image.new('RGBA', (metadata['width'], metadata['height']), (255, 255, 255, 0))
+
+        # TODO double check this logic
+        self.output_width_cells = math.ceil(float(metadata['width']) / cell_size)
+
+    def atlas_get_cell(self, cell_no: int):
+        cell_x_pos = cell_no % self.atlas_width_cells
+        cell_y_pos = self.atlas_height_cells - math.floor(cell_no / self.atlas_width_cells) - 1  # From top
+        return self.atlas.crop((
+            cell_x_pos * self.cell_size,
+            cell_y_pos * self.cell_size,
+            (cell_x_pos + 1) * self.cell_size,
+            (cell_y_pos + 1) * self.cell_size
+        ))
+
+    def paint(self):
+        for i in range(len(self.metadata['cellIndexList'])):
+            source_cell_number = self.metadata['cellIndexList'][i]
+            source_cell = self.atlas_get_cell(source_cell_number)
+
+            output_x_pos = i % self.output_width_cells
+            output_y_pos = math.floor(i / self.output_width_cells)  # From bottom
+            self.output.paste(source_cell, (
+                output_x_pos * (self.cell_size - (2*self.padding)),
+                self.output.size[1] - self.cell_size - (output_y_pos * (self.cell_size - (2*self.padding)))
+            ))
+
+    def get_output(self):
+        return self.output
+

main.py

@@ -0,0 +1,31 @@
+import json
+from os import PathLike
+from pathlib import Path
+from PIL import Image
+
+from image_assembler import ImageAssembler
+
+json_dir = Path('C:\\extracts\\MonoBehaviour')
+atlas_dir = Path('C:\\extracts\\Texture2D')
+output_dir = Path('./output')
+
+
+def assemble_json(json_file: PathLike):
+    with open(json_file) as f:
+        metadata = json.load(f)
+
+    for image in metadata['textureDataList']:
+        # TODO try-catch Image.open
+        atlas = Image.open(atlas_dir / (image['atlasName'] + '.png'))
+        assembler = ImageAssembler(image, atlas, metadata['cellSize'], metadata['padding'])
+        assembler.paint()
+        output = assembler.get_output()
+
+        output.save(output_dir / (image['name'] + '.png'), 'PNG')
+
+
+if __name__ == '__main__':
+    for item in json_dir.iterdir():
+        if item.is_file() and (str(item)).endswith('.json'):
+            print(item)
+            assemble_json(item)

requirements.txt

@@ -0,0 +1 @@
+Pillow==7.2.0