Add example model: Bob

Add menu item "Open Example", open a default example model, called "bob.ds3".
Thanks to reddit user(bvanevery) for proposing this feature.

CONTRIBUTORS

@@ -24,3 +24,4 @@ justStand <https://github.com/justStand>
 Ruben Niculcea <https://github.com/RubenSandwich>
 boynet <https://dust3d.discourse.group/u/boynet>
 fornclake <https://www.reddit.com/user/fornclake>
+bvanevery <https://www.reddit.com/user/bvanevery>

dust3d.pro

@@ -12,10 +12,10 @@ macx {
 }
 
 isEmpty(HUMAN_VERSION) {
-	HUMAN_VERSION = "1.0.0-beta.15"
+	HUMAN_VERSION = "1.0.0-beta.16"
 }
 isEmpty(VERSION) {
-	VERSION = 1.0.0.15
+	VERSION = 1.0.0.16
 }
 
 REPOSITORY_URL = "https://github.com/huxingyi/dust3d"

resources.qrc

@@ -7,6 +7,7 @@
     <file>resources/tree-branch-open.png</file>
     <file>resources/tree-vline.png</file>
     <file>resources/material-demo-model.ds3</file>
+    <file>resources/bob.ds3</file>
     <file>shaders/default.vert</file>
     <file>shaders/default.frag</file>
     <file>shaders/default.core.vert</file>

resources/bob.ds3

@@ -0,0 +1,140 @@
+DUST3D 1.0 xml 0000000133
+<?xml version="1.0" encoding="UTF-8"?>
+<ds3>
+    <model name="model.xml" offset="0" size="22267"/>
+</ds3>
+<?xml version="1.0" encoding="UTF-8"?>
+<canvas originX="0.56288" originY="0.470664" originZ="1.04831" rigType="Animal">
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+    </parts>
+    <components>
+        <component combineMode="Normal" expanded="false" id="{9e2f0b46-832b-47c5-91ac-1f6df8e135d0}" linkData="{fafff396-bd4b-44c8-b32d-d6636ae357ad}" linkDataType="partId"/>
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+        <component combineMode="Normal" expanded="false" id="{dcc0afd8-9d25-4eb9-a0a4-ea98a8fb9c96}" linkData="{aa532c21-08ca-4b48-896a-13252898d5b2}" linkDataType="partId"/>
+        <component combineMode="Normal" expanded="false" id="{1aa823f6-4950-4024-8a47-d4aa7bbb2635}" linkData="{c1cbd08b-66f9-427d-a907-c79aab344eb4}" linkDataType="partId"/>
+        <component combineMode="Normal" expanded="false" id="{ff02fc08-d6fe-4a2c-a66d-a1404b7b400e}" linkData="{4e48defc-9a67-432d-9cb6-4333973194ce}" linkDataType="partId"/>
+        <component combineMode="Normal" expanded="false" id="{f4b89f9e-540d-4c08-b569-fd6f79e21b1d}" linkData="{790024c6-582c-4d7e-907b-2cfb570fc3e1}" linkDataType="partId"/>
+        <component combineMode="Normal" expanded="false" id="{4f71ea32-b31b-43ab-84a9-2d8f4b0459ca}" linkData="{4cdedbbf-8900-443e-9b85-7baf6a5c76fa}" linkDataType="partId"/>
+    </components>
+    <materials/>
+    <poses/>
+    <motions/>
+</canvas>

src/documentwindow.cpp

@@ -345,6 +345,10 @@ DocumentWindow::DocumentWindow() :
     connect(m_openAction, &QAction::triggered, this, &DocumentWindow::open, Qt::QueuedConnection);
     m_fileMenu->addAction(m_openAction);
     
+    m_openExampleAction = new QAction(tr("Open Example"), this);
+    connect(m_openExampleAction, &QAction::triggered, this, &DocumentWindow::openExample, Qt::QueuedConnection);
+    m_fileMenu->addAction(m_openExampleAction);
+
     m_saveAction = new QAction(tr("Save"), this);
     connect(m_saveAction, &QAction::triggered, this, &DocumentWindow::save, Qt::QueuedConnection);
     m_fileMenu->addAction(m_saveAction);
@@ -1173,6 +1177,65 @@ void DocumentWindow::saveTo(const QString &saveAsFilename)
     QApplication::restoreOverrideCursor();
 }
 
+void DocumentWindow::openExample()
+{
+    if (!m_documentSaved) {
+        QMessageBox::StandardButton answer = QMessageBox::question(this,
+            APP_NAME,
+            tr("Do you really want to open example and lose the unsaved changes?"),
+            QMessageBox::Yes | QMessageBox::No);
+        if (answer != QMessageBox::Yes)
+            return;
+    }
+    
+    QApplication::setOverrideCursor(Qt::WaitCursor);
+    Ds3FileReader ds3Reader(":/resources/bob.ds3");
+    
+    m_document->clearHistories();
+    m_document->reset();
+    m_document->saveSnapshot();
+    
+    for (int i = 0; i < ds3Reader.items().size(); ++i) {
+        Ds3ReaderItem item = ds3Reader.items().at(i);
+        if (item.type == "asset") {
+            if (item.name.startsWith("images/")) {
+                QString filename = item.name.split("/")[1];
+                QString imageIdString = filename.split(".")[0];
+                QUuid imageId = QUuid(imageIdString);
+                if (!imageId.isNull()) {
+                    QByteArray data;
+                    ds3Reader.loadItem(item.name, &data);
+                    QImage image = QImage::fromData(data, "PNG");
+                    (void)ImageForever::add(&image, imageId);
+                }
+            }
+        }
+    }
+    
+    for (int i = 0; i < ds3Reader.items().size(); ++i) {
+        Ds3ReaderItem item = ds3Reader.items().at(i);
+        if (item.type == "model") {
+            QByteArray data;
+            ds3Reader.loadItem(item.name, &data);
+            QXmlStreamReader stream(data);
+            Snapshot snapshot;
+            loadSkeletonFromXmlStream(&snapshot, stream);
+            m_document->fromSnapshot(snapshot);
+            m_document->saveSnapshot();
+        } else if (item.type == "asset") {
+            if (item.name == "canvas.png") {
+                QByteArray data;
+                ds3Reader.loadItem(item.name, &data);
+                QImage image = QImage::fromData(data, "PNG");
+                m_document->updateTurnaround(image);
+            }
+        }
+    }
+    QApplication::restoreOverrideCursor();
+
+    setCurrentFilename("");
+}
+
 void DocumentWindow::open()
 {
     if (!m_documentSaved) {

src/documentwindow.h

@@ -38,6 +38,7 @@ public slots:
     void save();
     void saveTo(const QString &saveAsFilename);
     void open();
+    void openExample();
     void exportObjResult();
     void exportGlbResult();
     void exportFbxResult();
@@ -84,6 +85,7 @@ private:
     QAction *m_newWindowAction;
     QAction *m_newDocumentAction;
     QAction *m_openAction;
+    QAction *m_openExampleAction;
     QAction *m_saveAction;
     QAction *m_saveAsAction;
     QAction *m_saveAllAction;