diff options
Diffstat (limited to 'archived/projt-launcher/launcher/minecraft/skins/SkinModel.cpp')
| -rw-r--r-- | archived/projt-launcher/launcher/minecraft/skins/SkinModel.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/minecraft/skins/SkinModel.cpp b/archived/projt-launcher/launcher/minecraft/skins/SkinModel.cpp new file mode 100644 index 0000000000..875399197f --- /dev/null +++ b/archived/projt-launcher/launcher/minecraft/skins/SkinModel.cpp @@ -0,0 +1,211 @@ +// SPDX-License-Identifier: GPL-3.0-only +// SPDX-FileCopyrightText: 2026 Project Tick +// SPDX-FileContributor: Project Tick Team +/* + * ProjT Launcher - Minecraft Launcher + * Copyright (C) 2026 Project Tick + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * === Upstream License Block (Do Not Modify) ============================== + * + * + * + * Prism Launcher - Minecraft Launcher + * Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ======================================================================== */ + +#include "SkinModel.h" +#include <QFileInfo> +#include <QPainter> + +#include "FileSystem.h" +#include "Json.h" + +static QImage improveSkin(QImage skin) +{ + int height = skin.height(); + int width = skin.width(); + if (width != 64 || (height != 32 && height != 64)) + { + return skin; + } + + // It seems some older skins may use this format, which can't be drawn onto + // https://github.com/PrismLauncher/PrismLauncher/issues/4032 + // https://doc.qt.io/qt-6/qpainter.html#begin + if (skin.format() <= QImage::Format_Indexed8 || !skin.hasAlphaChannel()) + { + skin = skin.convertToFormat(QImage::Format_ARGB32); + } + if (skin.size() == QSize(64, 32)) + { + // old format + auto newSkin = QImage(QSize(64, 64), skin.format()); + newSkin.fill(Qt::transparent); + QPainter p(&newSkin); + p.drawImage(QPoint(0, 0), skin.copy(QRect(0, 0, 64, 32))); // copy head + + auto leg = skin.copy(QRect(0, 16, 16, 16)); + p.drawImage(QPoint(16, 48), leg); // copy leg + + auto arm = skin.copy(QRect(40, 16, 16, 16)); + p.drawImage(QPoint(32, 48), arm); // copy arm + return newSkin; + } + return skin; +} +static QImage getSkin(const QString path) +{ + return improveSkin(QImage(path)); +} + +static QImage generatePreviews(QImage texture, bool slim) +{ + QImage preview(36, 36, QImage::Format_ARGB32); + preview.fill(Qt::transparent); + QPainter paint(&preview); + + // head + paint.drawImage(4, 2, texture.copy(8, 8, 8, 8)); + paint.drawImage(4, 2, texture.copy(40, 8, 8, 8)); + // torso + paint.drawImage(4, 10, texture.copy(20, 20, 8, 12)); + paint.drawImage(4, 10, texture.copy(20, 36, 8, 12)); + // right leg + paint.drawImage(4, 22, texture.copy(4, 20, 4, 12)); + paint.drawImage(4, 22, texture.copy(4, 36, 4, 12)); + // left leg + paint.drawImage(8, 22, texture.copy(4, 52, 4, 12)); + paint.drawImage(8, 22, texture.copy(20, 52, 4, 12)); + + auto armWidth = slim ? 3 : 4; + auto armPosX = slim ? 1 : 0; + // right arm + paint.drawImage(armPosX, 10, texture.copy(44, 20, armWidth, 12)); + paint.drawImage(armPosX, 10, texture.copy(44, 36, armWidth, 12)); + // left arm + paint.drawImage(12, 10, texture.copy(36, 52, armWidth, 12)); + paint.drawImage(12, 10, texture.copy(52, 52, armWidth, 12)); + + // back + // head + paint.drawImage(24, 2, texture.copy(24, 8, 8, 8)); + paint.drawImage(24, 2, texture.copy(56, 8, 8, 8)); + // torso + paint.drawImage(24, 10, texture.copy(32, 20, 8, 12)); + paint.drawImage(24, 10, texture.copy(32, 36, 8, 12)); + // right leg + paint.drawImage(24, 22, texture.copy(12, 20, 4, 12)); + paint.drawImage(24, 22, texture.copy(12, 36, 4, 12)); + // left leg + paint.drawImage(28, 22, texture.copy(12, 52, 4, 12)); + paint.drawImage(28, 22, texture.copy(28, 52, 4, 12)); + + // right arm + paint.drawImage(armPosX + 20, 10, texture.copy(48 + armWidth, 20, armWidth, 12)); + paint.drawImage(armPosX + 20, 10, texture.copy(48 + armWidth, 36, armWidth, 12)); + // left arm + paint.drawImage(32, 10, texture.copy(40 + armWidth, 52, armWidth, 12)); + paint.drawImage(32, 10, texture.copy(56 + armWidth, 52, armWidth, 12)); + + return preview; +} +SkinModel::SkinModel(QString path) : m_path(path), m_texture(getSkin(path)), m_model(Model::CLASSIC) +{ + m_preview = generatePreviews(m_texture, false); +} + +SkinModel::SkinModel(QDir skinDir, QJsonObject obj) + : m_capeId(Json::ensureString(obj, "capeId")), + m_model(Model::CLASSIC), + m_url(Json::ensureString(obj, "url")) +{ + auto name = Json::ensureString(obj, "name"); + + if (auto model = Json::ensureString(obj, "model"); model == "SLIM") + { + m_model = Model::SLIM; + } + m_path = skinDir.absoluteFilePath(name) + ".png"; + m_texture = getSkin(m_path); + m_preview = generatePreviews(m_texture, m_model == Model::SLIM); +} + +QString SkinModel::name() const +{ + return QFileInfo(m_path).completeBaseName(); +} + +bool SkinModel::rename(QString newName) +{ + auto info = QFileInfo(m_path); + auto new_path = FS::PathCombine(info.absolutePath(), newName + ".png"); + if (QFileInfo::exists(new_path)) + { + return false; + } + m_path = new_path; + return FS::move(info.absoluteFilePath(), m_path); +} + +QJsonObject SkinModel::toJSON() const +{ + QJsonObject obj; + obj["name"] = name(); + obj["capeId"] = m_capeId; + obj["url"] = m_url; + obj["model"] = getModelString(); + return obj; +} + +QString SkinModel::getModelString() const +{ + switch (m_model) + { + case CLASSIC: return "CLASSIC"; + case SLIM: return "SLIM"; + } + return {}; +} + +bool SkinModel::isValid() const +{ + return !m_texture.isNull() && (m_texture.size().height() == 32 || m_texture.size().height() == 64) + && m_texture.size().width() == 64; +} +void SkinModel::refresh() +{ + m_texture = getSkin(m_path); + m_preview = generatePreviews(m_texture, m_model == Model::SLIM); +} +void SkinModel::setModel(Model model) +{ + m_model = model; + m_preview = generatePreviews(m_texture, m_model == Model::SLIM); +} |