"""Visual RPG Maker MV/MZ image decrypt/encrypt and patch manager.""" from __future__ import annotations from pathlib import Path from PyQt5.QtCore import Qt, QSize, QThread, pyqtSignal, QSettings from PyQt5.QtGui import QColor, QIcon, QPixmap from PyQt5.QtWidgets import ( QComboBox, QAbstractItemView, QFileDialog, QHBoxLayout, QLabel, QLineEdit, QListWidget, QListWidgetItem, QMessageBox, QPushButton, QSplitter, QVBoxLayout, QWidget, ) from util.paths import APP_NAME, ORG_NAME from util.rpgmaker_images import ( ImageAsset, decrypt_assets, encrypt_assets, prepare_assets_for_patch, preview_png_bytes, read_encryption_key, scan_image_assets, thumbnail_png_bytes, ) _ASSET_ID_ROLE = Qt.UserRole + 1 _PAGE_SIZE = 80 class _ImageScanWorker(QThread): done = pyqtSignal(int, object) error = pyqtSignal(int, str) def __init__(self, generation: int, game_root: Path): super().__init__() self.generation = generation self.game_root = game_root def run(self) -> None: try: self.done.emit(self.generation, scan_image_assets(self.game_root)) except Exception as exc: self.error.emit(self.generation, str(exc)) class _ThumbnailWorker(QThread): done = pyqtSignal(int, object) def __init__(self, generation: int, assets: list[ImageAsset], key: bytes | None): super().__init__() self.generation = generation self.assets = assets self.key = key def run(self) -> None: thumbnails: dict[str, bytes] = {} for asset in self.assets: if self.isInterruptionRequested(): return try: data = thumbnail_png_bytes(asset, self.key, size=112) except Exception: data = b"" thumbnails[asset.asset_id] = data self.done.emit(self.generation, thumbnails) class _ImageActionWorker(QThread): status = pyqtSignal(str) done = pyqtSignal(str, object) error = pyqtSignal(str) def __init__( self, action: str, game_root: Path, assets: list[ImageAsset], key: bytes | None, ): super().__init__() self.action = action self.game_root = game_root self.assets = assets self.key = key def run(self) -> None: try: if self.action == "decrypt": result = decrypt_assets( self.assets, self.key, overwrite=False, progress=self.status.emit ) elif self.action == "encrypt": result = encrypt_assets( self.game_root, self.assets, self.key, progress=self.status.emit ) else: result = prepare_assets_for_patch( self.game_root, self.assets, self.key, progress=self.status.emit ) self.done.emit(self.action, result) except Exception as exc: self.error.emit(str(exc)) class RPGMakerImageManager(QWidget): """Paginated contact sheet for projects containing thousands of images.""" def __init__( self, game_root: str | Path | None = None, parent=None, settings: QSettings | None = None, ): super().__init__(parent) self.settings = settings or QSettings(ORG_NAME, APP_NAME) saved_root = str(self.settings.value("workflow/last_game_folder", "") or "") initial_root = str(game_root or saved_root).strip() self.game_root = Path(initial_root).expanduser().resolve() if initial_root else None self.assets: list[ImageAsset] = [] self.assets_by_id: dict[str, ImageAsset] = {} self.filtered_assets: list[ImageAsset] = [] self.selected_ids: set[str] = set() self.page = 0 self.key: bytes | None = None self._scan_worker: _ImageScanWorker | None = None self._scan_workers: list[_ImageScanWorker] = [] self._scan_generation = 0 self._thumbnail_worker: _ThumbnailWorker | None = None self._thumbnail_workers: list[_ThumbnailWorker] = [] self._action_worker: _ImageActionWorker | None = None self._thumbnail_generation = 0 self._build_ui() if self.game_root: self.folder_edit.setText(str(self.game_root)) self._load_project() else: self.status_label.setText("Select an RPG Maker MV/MZ game folder to begin.") self._set_actions_enabled(False) def _build_ui(self) -> None: root = QVBoxLayout(self) root.setContentsMargins(18, 14, 18, 12) title = QLabel("RPG Maker MV/MZ Image Manager") title.setStyleSheet("font-size:18px;font-weight:bold;color:#e0e0e0;") root.addWidget(title) intro = QLabel( "Browse encrypted images visually, create editable PNG copies, then select only " "the translated images you want in the patch. Pages keep very large games responsive." ) intro.setWordWrap(True) intro.setStyleSheet("color:#b8b8b8;font-size:13px;padding:2px 0 6px 0;") root.addWidget(intro) folder_row = QHBoxLayout() folder_row.addWidget(QLabel("Game folder:")) self.folder_edit = QLineEdit() self.folder_edit.setPlaceholderText("Select an RPG Maker MV/MZ game folder…") self.folder_edit.returnPressed.connect(self._load_project) folder_row.addWidget(self.folder_edit, 1) browse_button = QPushButton("Browse…") browse_button.clicked.connect(self._browse_game_root) folder_row.addWidget(browse_button) load_button = QPushButton("Load") load_button.clicked.connect(self._load_project) folder_row.addWidget(load_button) root.addLayout(folder_row) filters = QHBoxLayout() self.search_edit = QLineEdit() self.search_edit.setPlaceholderText("Filter by any part of the folder or filename…") self.search_edit.textChanged.connect(self._apply_filters) filters.addWidget(self.search_edit, 2) self.folder_combo = QComboBox() self.folder_combo.addItem("All folders", "") self.folder_combo.currentIndexChanged.connect(self._apply_filters) filters.addWidget(self.folder_combo, 1) self.state_combo = QComboBox() self.state_combo.addItem("All images", "all") self.state_combo.addItem("Encrypted", "encrypted") self.state_combo.addItem("Editable PNG ready", "plain") self.state_combo.addItem("Unencrypted PNG", "plain_only") self.state_combo.currentIndexChanged.connect(self._apply_filters) filters.addWidget(self.state_combo) root.addLayout(filters) splitter = QSplitter(Qt.Horizontal) self.image_list = QListWidget() self.image_list.setViewMode(QListWidget.IconMode) self.image_list.setResizeMode(QListWidget.Adjust) self.image_list.setMovement(QListWidget.Static) self.image_list.setSelectionMode(QAbstractItemView.ExtendedSelection) self.image_list.setIconSize(QSize(112, 112)) self.image_list.setGridSize(QSize(160, 160)) self.image_list.setUniformItemSizes(True) self.image_list.setWordWrap(True) self.image_list.setSpacing(4) self.image_list.setObjectName("rpgImageList") self.image_list.setStyleSheet( "QListWidget#rpgImageList{background:#1e1e1e;color:#fff;" "border:1px solid #555;padding:3px;outline:none;}" "QListWidget#rpgImageList::item{border:1px solid transparent;" "padding:3px;background:transparent;}" "QListWidget#rpgImageList::item:selected{background:#264f78;" "border-color:#4b8dc0;color:#fff;}" "QListWidget#rpgImageList::item:hover:!selected{background:#333;" "border-color:#555;}" ) self.image_list.itemSelectionChanged.connect(self._selection_changed) self.image_list.currentItemChanged.connect(self._show_preview) self.image_list.setToolTip( "Select images normally. Ctrl-click toggles individual images, Shift-click selects " "a range, and Ctrl+A selects the current page." ) splitter.addWidget(self.image_list) preview_host = QWidget() preview_layout = QVBoxLayout(preview_host) self.preview_label = QLabel("Select an image to preview it") self.preview_label.setAlignment(Qt.AlignCenter) self.preview_label.setMinimumSize(300, 300) self.preview_label.setStyleSheet( "background:#171717;border:1px solid #3c3c3c;color:#777;" ) preview_layout.addWidget(self.preview_label, 1) self.path_label = QLabel() self.path_label.setWordWrap(True) self.path_label.setTextInteractionFlags(Qt.TextSelectableByMouse) self.path_label.setStyleSheet("color:#c8c8c8;font-size:12px;padding:5px;") preview_layout.addWidget(self.path_label) splitter.addWidget(preview_host) splitter.setSizes([850, 350]) root.addWidget(splitter, 1) page_row = QHBoxLayout() select_page = QPushButton("Select page") select_page.clicked.connect(self._select_page) page_row.addWidget(select_page) clear_selection = QPushButton("Clear selection") clear_selection.clicked.connect(self._clear_selection) page_row.addWidget(clear_selection) page_row.addStretch() self.previous_button = QPushButton("← Previous") self.previous_button.clicked.connect(lambda: self._change_page(-1)) page_row.addWidget(self.previous_button) self.page_label = QLabel("Page 0 / 0") self.page_label.setAlignment(Qt.AlignCenter) self.page_label.setMinimumWidth(210) page_row.addWidget(self.page_label) self.next_button = QPushButton("Next →") self.next_button.clicked.connect(lambda: self._change_page(1)) page_row.addWidget(self.next_button) root.addLayout(page_row) action_row = QHBoxLayout() self.decrypt_selected_button = QPushButton("Decrypt selected") self.decrypt_selected_button.clicked.connect(self._decrypt_checked) action_row.addWidget(self.decrypt_selected_button) self.decrypt_all_button = QPushButton("Decrypt all encrypted") self.decrypt_all_button.clicked.connect(self._decrypt_all) action_row.addWidget(self.decrypt_all_button) self.encrypt_button = QPushButton("Encrypt selected") self.encrypt_button.setToolTip( "Rebuild selected encrypted runtime files from their editable PNG copies." ) self.encrypt_button.clicked.connect(self._encrypt_checked) action_row.addWidget(self.encrypt_button) self.prepare_button = QPushButton("Encrypt + patch selected") self.prepare_button.setStyleSheet( "QPushButton{border:1px solid #4ec9b0;color:#4ec9b0;font-weight:bold;padding:6px 14px;}" "QPushButton:hover{background:#18352f;}" ) self.prepare_button.setToolTip( "Re-encrypt selected edited PNGs, preserve original encrypted files in " ".dazedtl/image_backups, and add exact .gitignore allow-rules." ) self.prepare_button.clicked.connect(self._prepare_checked) action_row.addWidget(self.prepare_button) action_row.addStretch() root.addLayout(action_row) self.status_label = QLabel("Scanning image folders…") self.status_label.setWordWrap(True) self.status_label.setStyleSheet("color:#8fbc8f;padding:4px 0;") root.addWidget(self.status_label) def _browse_game_root(self) -> None: start = self.folder_edit.text().strip() or str(Path.home()) folder = QFileDialog.getExistingDirectory(self, "Select RPG Maker Game Folder", start) if folder: self.folder_edit.setText(folder) self._load_project() def _load_project(self) -> None: raw_path = self.folder_edit.text().strip() if not raw_path: return root = Path(raw_path).expanduser().resolve() if not root.is_dir(): QMessageBox.warning(self, "Game Folder", f"Folder not found:\n{root}") return self.game_root = root self.settings.setValue("workflow/last_game_folder", str(root)) self.selected_ids.clear() self._load_key() self._start_scan() def refresh_game_root_from_settings(self) -> None: """Load a game newly selected in the RPG Maker Workflow tab.""" saved = str(self.settings.value("workflow/last_game_folder", "") or "").strip() if not saved: return resolved = Path(saved).expanduser().resolve() if resolved == self.game_root: return self.folder_edit.setText(str(resolved)) self._load_project() def _load_key(self) -> None: try: self.key = read_encryption_key(self.game_root) except Exception: self.key = None def _start_scan(self) -> None: if self.game_root is None: return self._set_actions_enabled(False) self.status_label.setText("Scanning image folders…") self._scan_generation += 1 worker = _ImageScanWorker(self._scan_generation, self.game_root) worker.done.connect(self._scan_done) worker.error.connect(self._scan_error) worker.finished.connect(lambda w=worker: self._forget_scan_worker(w)) self._scan_workers.append(worker) self._scan_worker = worker worker.start() def _forget_scan_worker(self, worker: _ImageScanWorker) -> None: if worker in self._scan_workers: self._scan_workers.remove(worker) def _scan_done(self, generation: int, assets: list[ImageAsset]) -> None: if generation != self._scan_generation: return self._set_actions_enabled(True) self.assets = assets self.assets_by_id = {asset.asset_id: asset for asset in assets} self.selected_ids.intersection_update(self.assets_by_id) self.folder_combo.blockSignals(True) current_folder = self.folder_combo.currentData() or "" self.folder_combo.clear() self.folder_combo.addItem("All folders", "") folders = sorted( {asset.relative_png.parent.as_posix() for asset in assets}, key=str.casefold ) for folder in folders: self.folder_combo.addItem(folder, folder) index = self.folder_combo.findData(current_folder) self.folder_combo.setCurrentIndex(max(0, index)) self.folder_combo.blockSignals(False) encrypted = sum(asset.has_encrypted for asset in assets) editable = sum(asset.has_plain and asset.has_encrypted for asset in assets) self.status_label.setText( f"Found {len(assets):,} images · {encrypted:,} encrypted · " f"{editable:,} editable PNG copies · {len(self.selected_ids):,} selected" ) self._apply_filters() def _scan_error(self, generation: int, message: str) -> None: if generation != self._scan_generation: return self._set_actions_enabled(False) self.status_label.setText(f"Image scan failed: {message}") QMessageBox.critical(self, "Image Scan Failed", message) def _apply_filters(self) -> None: query = self.search_edit.text().strip().casefold() folder = self.folder_combo.currentData() or "" state = self.state_combo.currentData() filtered: list[ImageAsset] = [] for asset in self.assets: if query and query not in asset.asset_id.casefold(): continue if folder and asset.relative_png.parent.as_posix() != folder: continue if state == "encrypted" and not asset.has_encrypted: continue if state == "plain" and not (asset.has_plain and asset.has_encrypted): continue if state == "plain_only" and not (asset.has_plain and not asset.has_encrypted): continue filtered.append(asset) self.filtered_assets = filtered self.page = 0 self._render_page() def _page_assets(self) -> list[ImageAsset]: start = self.page * _PAGE_SIZE return self.filtered_assets[start:start + _PAGE_SIZE] def _render_page(self) -> None: if self._thumbnail_worker and self._thumbnail_worker.isRunning(): self._thumbnail_worker.requestInterruption() page_count = max(1, (len(self.filtered_assets) + _PAGE_SIZE - 1) // _PAGE_SIZE) self.page = min(self.page, page_count - 1) page_assets = self._page_assets() self.image_list.blockSignals(True) self.image_list.clear() placeholder = QPixmap(112, 112) placeholder.fill(QColor("#292929")) placeholder_icon = QIcon(placeholder) for asset in page_assets: label = asset.relative_png.name item = QListWidgetItem(placeholder_icon, label) item.setData(_ASSET_ID_ROLE, asset.asset_id) kind = "encrypted + PNG" if asset.has_encrypted and asset.has_plain else ( "encrypted" if asset.has_encrypted else "PNG" ) item.setToolTip(f"{asset.asset_id}\n{kind}") self.image_list.addItem(item) item.setSelected(asset.asset_id in self.selected_ids) self.image_list.blockSignals(False) self.page_label.setText( f"Page {self.page + 1} / {page_count} · {len(self.filtered_assets):,} matches" ) self.previous_button.setEnabled(self.page > 0) self.next_button.setEnabled(self.page + 1 < page_count) self._thumbnail_generation += 1 worker = _ThumbnailWorker(self._thumbnail_generation, page_assets, self.key) worker.done.connect(self._thumbnails_ready) worker.finished.connect(lambda w=worker: self._forget_thumbnail_worker(w)) self._thumbnail_workers.append(worker) self._thumbnail_worker = worker worker.start() def _forget_thumbnail_worker(self, worker: _ThumbnailWorker) -> None: if worker in self._thumbnail_workers: self._thumbnail_workers.remove(worker) def _thumbnails_ready(self, generation: int, thumbnails: dict[str, bytes]) -> None: if generation != self._thumbnail_generation: return self.image_list.setUpdatesEnabled(False) try: for index in range(self.image_list.count()): item = self.image_list.item(index) data = thumbnails.get(item.data(_ASSET_ID_ROLE), b"") if not data: continue pixmap = QPixmap() if pixmap.loadFromData(data, "PNG"): item.setIcon(QIcon(pixmap)) self.image_list.doItemsLayout() finally: self.image_list.setUpdatesEnabled(True) self.image_list.viewport().update() def _change_page(self, delta: int) -> None: self.page += delta self._render_page() def _selection_changed(self) -> None: page_ids = { self.image_list.item(index).data(_ASSET_ID_ROLE) for index in range(self.image_list.count()) } selected_on_page = { item.data(_ASSET_ID_ROLE) for item in self.image_list.selectedItems() } self.selected_ids.difference_update(page_ids) self.selected_ids.update(selected_on_page) self._update_selection_status() def _select_page(self) -> None: self.image_list.blockSignals(True) for index in range(self.image_list.count()): item = self.image_list.item(index) item.setSelected(True) self.selected_ids.add(item.data(_ASSET_ID_ROLE)) self.image_list.blockSignals(False) self._update_selection_status() def _clear_selection(self) -> None: self.selected_ids.clear() self.image_list.clearSelection() self._update_selection_status() def _update_selection_status(self) -> None: self.status_label.setText( f"{len(self.filtered_assets):,} matching images · {len(self.selected_ids):,} selected" ) def _show_preview(self, current: QListWidgetItem | None, _previous=None) -> None: if current is None: return asset = self.assets_by_id.get(current.data(_ASSET_ID_ROLE)) if asset is None: return try: raw = preview_png_bytes(asset, self.key) pixmap = QPixmap() if not pixmap.loadFromData(raw, "PNG"): raise ValueError("Qt could not decode this PNG") self.preview_label.setPixmap( pixmap.scaled( self.preview_label.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation ) ) except Exception as exc: self.preview_label.setPixmap(QPixmap()) self.preview_label.setText(f"Preview unavailable\n{exc}") details = [asset.asset_id] if asset.has_encrypted: details.append(f"Encrypted: {asset.encrypted_path.name}") details.append("Editable PNG: ready" if asset.has_plain else "Editable PNG: not decrypted") self.path_label.setText("\n".join(details)) def _selected_assets(self) -> list[ImageAsset]: return [self.assets_by_id[key] for key in self.selected_ids if key in self.assets_by_id] def _ensure_key(self) -> bool: if self.key is not None: return True try: self.key = read_encryption_key(self.game_root) return True except Exception as exc: QMessageBox.warning(self, "Encryption Key Not Found", str(exc)) return False def _decrypt_checked(self) -> None: assets = [asset for asset in self._selected_assets() if asset.has_encrypted] if not assets: QMessageBox.information( self, "Nothing Selected", "Select one or more encrypted images first." ) return if self._ensure_key(): self._start_action("decrypt", assets) def _decrypt_all(self) -> None: assets = [asset for asset in self.assets if asset.has_encrypted and not asset.has_plain] if not assets: QMessageBox.information(self, "Nothing to Decrypt", "All encrypted images already have PNG copies.") return if self._ensure_key(): self._start_action("decrypt", assets) def _prepare_checked(self) -> None: assets = self._selected_assets() if not assets: QMessageBox.information( self, "Nothing Selected", "Select the translated images to include first." ) return if any(asset.has_encrypted for asset in assets) and not self._ensure_key(): return answer = QMessageBox.question( self, "Prepare Images for Patch", f"Prepare exactly {len(assets):,} selected image(s)?\n\n" "Encrypted images will be rebuilt from their editable PNG. Their original encrypted " "files are backed up once under .dazedtl/image_backups. Exact allow-rules are then " "added to the applicable .gitignore files.", QMessageBox.Yes | QMessageBox.No, QMessageBox.No, ) if answer == QMessageBox.Yes: self._start_action("prepare", assets) def _encrypt_checked(self) -> None: assets = [ asset for asset in self._selected_assets() if asset.has_encrypted and asset.has_plain ] if not assets: QMessageBox.information( self, "Nothing Ready", "Select images with editable PNG copies first." ) return if not self._ensure_key(): return answer = QMessageBox.question( self, "Encrypt Images", f"Rebuild {len(assets):,} selected encrypted image(s) from their PNG copies?\n\n" "Original encrypted files are backed up once under .dazedtl/image_backups.", QMessageBox.Yes | QMessageBox.No, QMessageBox.No, ) if answer == QMessageBox.Yes: self._start_action("encrypt", assets) def _start_action(self, action: str, assets: list[ImageAsset]) -> None: self._set_actions_enabled(False) worker = _ImageActionWorker(action, self.game_root, assets, self.key) worker.status.connect(self.status_label.setText) worker.done.connect(self._action_done) worker.error.connect(self._action_error) self._action_worker = worker worker.start() def _action_done(self, action: str, result) -> None: if action == "decrypt": summary = f"Decrypted {result.completed:,} image(s); skipped {result.skipped:,}." elif action == "encrypt": summary = f"Encrypted {result.completed:,} image(s)." else: summary = ( f"Prepared {result.completed:,} image(s) for the patch and updated " f"{len(result.gitignore_files):,} .gitignore file(s)." ) if result.errors: shown = "\n".join(result.errors[:12]) if len(result.errors) > 12: shown += f"\n…and {len(result.errors) - 12} more" QMessageBox.warning(self, "Image Action Completed with Errors", f"{summary}\n\n{shown}") else: QMessageBox.information(self, "Image Action Complete", summary) self.status_label.setText(summary) self._start_scan() def _action_error(self, message: str) -> None: self.status_label.setText(f"Image action failed: {message}") self._set_actions_enabled(True) QMessageBox.critical(self, "Image Action Failed", message) def _set_actions_enabled(self, enabled: bool) -> None: for button in ( self.decrypt_selected_button, self.decrypt_all_button, self.encrypt_button, self.prepare_button, ): button.setEnabled(enabled) def closeEvent(self, event) -> None: running = [ worker for worker in ( *self._scan_workers, *self._thumbnail_workers, self._action_worker ) if worker is not None and worker.isRunning() ] action_running = self._action_worker is not None and self._action_worker.isRunning() if action_running: QMessageBox.information( self, "Image Action Running", "Wait for the current decrypt/encrypt action to finish." ) event.ignore() return for worker in running: worker.requestInterruption() worker.wait(1000) if any(worker.isRunning() for worker in running): self.status_label.setText("Finishing image scan/preview before closing…") event.ignore() return super().closeEvent(event)