5 files changed, 266 insertions, 20 deletions

diff --git a/Tools/QtBiomeVisualiser/GeneratorSetupDlg.cpp b/Tools/QtBiomeVisualiser/GeneratorSetupDlg.cpp
new file mode 100644
index 000000000..e6037fa9b
--- /dev/null
+++ b/Tools/QtBiomeVisualiser/GeneratorSetupDlg.cpp
@@ -0,0 +1,125 @@
+#include "Globals.h"
+#include "GeneratorSetupDlg.h"
+#include <QLabel>
+#include <QLineEdit>
+#include "Generating/BioGen.h"
+#include "inifile/iniFile.h"
+
+
+
+
+
+static const QString s_GeneratorNames[] =
+{
+	QString("Checkerboard"),
+	QString("Constant"),
+	QString("DistortedVoronoi"),
+	QString("MultiStepMap"),
+	QString("TwoLevel"),
+	QString("Voronoi"),
+};
+
+
+
+
+
+GeneratorSetupDlg::GeneratorSetupDlg(const AString & a_IniFileName, QWidget * a_Parent) :
+	super(a_Parent),
+	m_IniFile(new cIniFile())
+{
+	// The generator name is in a separate form layout at the top, always present:
+	m_cbGenerator = new QComboBox();
+	m_cbGenerator->setMinimumWidth(300);
+	for (size_t i = 0; i < ARRAYCOUNT(s_GeneratorNames); i++)
+	{
+		m_cbGenerator->addItem(s_GeneratorNames[i]);
+	}
+	QFormLayout * nameLayout = new QFormLayout();
+	nameLayout->addRow(new QLabel(tr("Generator")), m_cbGenerator);
+
+	// The rest of the controls are in a dynamically created form layout:
+	m_FormLayout = new QFormLayout();
+
+	// The main layout joins these two vertically:
+	m_MainLayout = new QVBoxLayout();
+	m_MainLayout->addLayout(nameLayout);
+	m_MainLayout->addLayout(m_FormLayout);
+	setLayout(m_MainLayout);
+
+	// Load the INI file, if specified, otherwise set defaults:
+	if (!a_IniFileName.empty() && m_IniFile->ReadFile(a_IniFileName))
+	{
+		m_cbGenerator->setCurrentText(QString::fromStdString(m_IniFile->GetValue("Generator", "BiomeGen")));
+	}
+	else
+	{
+		m_IniFile->SetValue("Generator", "Generator", "Composable");
+		m_IniFile->SetValue("Generator", "BiomeGen", m_cbGenerator->currentText().toStdString());
+		bool dummy;
+		delete cBiomeGen::CreateBiomeGen(*m_IniFile, m_Seed, dummy);
+	}
+	updateFromIni();
+
+	// Connect the combo change even only after the data has been loaded:
+	connect(m_cbGenerator, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(generatorChanged(QString)));
+}
+
+
+
+
+
+void GeneratorSetupDlg::generatorChanged(const QString & a_NewName)
+{
+	// Clear the current contents of the form layout by assigning it to a stack temporary:
+	{
+		m_MainLayout->takeAt(1);
+		QWidget().setLayout(m_FormLayout);
+	}
+
+	// Re-create the layout:
+	m_FormLayout = new QFormLayout();
+	m_MainLayout->addLayout(m_FormLayout);
+
+	// Recreate the INI file:
+	m_IniFile->Clear();
+	m_IniFile->SetValue("Generator", "Generator", "Composable");
+	m_IniFile->SetValue("Generator", "BiomeGen", a_NewName.toStdString());
+
+	// Create a dummy biome gen from the INI file, this will create the defaults in the INI file:
+	bool dummy;
+	delete cBiomeGen::CreateBiomeGen(*m_IniFile, m_Seed, dummy);
+
+	// Read all values from the INI file and put them into the form layout:
+	updateFromIni();
+}
+
+
+
+
+
+void GeneratorSetupDlg::updateFromIni()
+{
+	int keyID = m_IniFile->FindKey("Generator");
+	if (keyID <= -1)
+	{
+		return;
+	}
+	int numItems = m_IniFile->GetNumValues(keyID);
+	for (int i = 0; i < numItems; i++)
+	{
+		AString itemName  = m_IniFile->GetValueName(keyID, i);
+		AString itemValue = m_IniFile->GetValue(keyID, i);
+		if ((itemName == "Generator") || (itemName == "BiomeGen"))
+		{
+			// These special cases are not to be added
+			continue;
+		}
+		QLineEdit * edit = new QLineEdit();
+		edit->setText(QString::fromStdString(itemValue));
+		m_FormLayout->addRow(new QLabel(QString::fromStdString(itemName)), edit);
+	}  // for i - INI values[]
+}
+
+
+
+
diff --git a/Tools/QtBiomeVisualiser/GeneratorSetupDlg.h b/Tools/QtBiomeVisualiser/GeneratorSetupDlg.h
new file mode 100644
index 000000000..d7070e331
--- /dev/null
+++ b/Tools/QtBiomeVisualiser/GeneratorSetupDlg.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include <memory>
+#include <QDialog>
+#include <QComboBox>
+#include <QVBoxLayout>
+#include <QFormLayout>
+
+
+
+
+
+class cIniFile;
+
+
+
+
+
+class GeneratorSetupDlg :
+	public QDialog
+{
+	typedef QDialog super;
+
+	Q_OBJECT
+
+public:
+	/** Creates the dialog and loads the contents of the INI file, if not empty. */
+	explicit GeneratorSetupDlg(const std::string & a_IniFileName, QWidget * parent = nullptr);
+
+signals:
+
+public slots:
+	/** Called when the user selects a different generator from the top combobox.
+	Re-creates m_IniFile and updates the form layout. */
+	void generatorChanged(const QString & a_NewName);
+
+protected:
+	QComboBox * m_cbGenerator;
+	QVBoxLayout * m_MainLayout;
+	QFormLayout * m_FormLayout;
+
+	std::unique_ptr<cIniFile> m_IniFile;
+
+	int m_Seed;
+
+
+	/** Updates the form layout with the values from m_IniFile. */
+	void updateFromIni();
+};
+
+
+
+
diff --git a/Tools/QtBiomeVisualiser/MainWindow.cpp b/Tools/QtBiomeVisualiser/MainWindow.cpp
index c56cf8bc2..d2c1ae2c1 100644
--- a/Tools/QtBiomeVisualiser/MainWindow.cpp
+++ b/Tools/QtBiomeVisualiser/MainWindow.cpp
@@ -12,6 +12,7 @@
 #include "Generating/BioGen.h"
 #include "StringCompression.h"
 #include "WorldStorage/FastNBT.h"
+#include "GeneratorSetupDlg.h"
 
 
 
@@ -42,13 +43,37 @@ MainWindow::~MainWindow()
 
 
 
-void MainWindow::generate()
+void MainWindow::newGenerator()
 {
+	// TODO
+
+	// (Re-)open the generator setup dialog:
+	m_GeneratorSetupDlg.reset(new GeneratorSetupDlg(""));
+	m_GeneratorSetupDlg->show();
+	m_GeneratorSetupDlg->raise();
+
+	// TODO
+}
+
+
+
+
+
+void MainWindow::openGenerator()
+{
+	// Let the user specify the world.ini file:
 	QString worldIni = QFileDialog::getOpenFileName(this, tr("Open world.ini"), QString(), tr("world.ini (world.ini)"));
 	if (worldIni.isEmpty())
 	{
 		return;
 	}
+
+	// (Re-)open the generator setup dialog:
+	m_GeneratorSetupDlg.reset(new GeneratorSetupDlg(worldIni.toStdString()));
+	m_GeneratorSetupDlg->show();
+	m_GeneratorSetupDlg->raise();
+
+	// Set the chunk source:
 	m_BiomeView->setChunkSource(std::shared_ptr<BioGenSource>(new BioGenSource(worldIni)));
 	m_BiomeView->redraw();
 }
@@ -57,13 +82,23 @@ void MainWindow::generate()
 
 
 
-void MainWindow::open()
+void MainWindow::openWorld()
 {
+	// Let the user specify the world:
 	QString regionFolder = QFileDialog::getExistingDirectory(this, tr("Select the region folder"), QString());
 	if (regionFolder.isEmpty())
 	{
 		return;
 	}
+
+	// Remove the generator setup dialog, if open:
+	if (m_GeneratorSetupDlg.get() != nullptr)
+	{
+		m_GeneratorSetupDlg->hide();
+		m_GeneratorSetupDlg.reset(nullptr);
+	}
+
+	// Set the chunk source:
 	m_BiomeView->setChunkSource(std::shared_ptr<AnvilSource>(new AnvilSource(regionFolder)));
 	m_BiomeView->redraw();
 }
@@ -74,11 +109,21 @@ void MainWindow::open()
 
 void MainWindow::openVanillaWorld()
 {
+	// The world is stored in the sender action's data, retrieve it:
 	QAction * action = qobject_cast<QAction *>(sender());
 	if (action == nullptr)
 	{
 		return;
 	}
+
+	// Remove the generator setup dialog, if open:
+	if (m_GeneratorSetupDlg.get() != nullptr)
+	{
+		m_GeneratorSetupDlg->hide();
+		m_GeneratorSetupDlg.reset(nullptr);
+	}
+
+	// Set the chunk source:
 	m_BiomeView->setChunkSource(std::shared_ptr<AnvilSource>(new AnvilSource(action->data().toString())));
 	m_BiomeView->redraw();
 }
@@ -107,19 +152,24 @@ void MainWindow::createActions()
 {
 	createWorldActions();
 
-	m_actGen = new QAction(tr("&Generate..."), this);
-	m_actGen->setShortcut(tr("Ctrl+N"));
-	m_actGen->setStatusTip(tr("Open a generator INI file and display the generated biomes"));
-	connect(m_actGen, SIGNAL(triggered()), this, SLOT(generate()));
+	m_actNewGen = new QAction(tr("&New generator"), this);
+	m_actNewGen->setShortcut(tr("Ctrl+N"));
+	m_actNewGen->setStatusTip(tr("Open a generator INI file and display the generated biomes"));
+	connect(m_actNewGen, SIGNAL(triggered()), this, SLOT(newGenerator()));
+
+	m_actOpenGen = new QAction(tr("&Open generator..."), this);
+	m_actOpenGen->setShortcut(tr("Ctrl+G"));
+	m_actOpenGen->setStatusTip(tr("Open a generator INI file and display the generated biomes"));
+	connect(m_actOpenGen, SIGNAL(triggered()), this, SLOT(openGenerator()));
 
-	m_actOpen = new QAction(tr("&Open world..."), this);
-	m_actOpen->setShortcut(tr("Ctrl+O"));
-	m_actOpen->setStatusTip(tr("Open an existing world and display its biomes"));
-	connect(m_actOpen, SIGNAL(triggered()), this, SLOT(open()));
+	m_actOpenWorld = new QAction(tr("&Open world..."), this);
+	m_actOpenWorld->setShortcut(tr("Ctrl+O"));
+	m_actOpenWorld->setStatusTip(tr("Open an existing world and display its biomes"));
+	connect(m_actOpenWorld, SIGNAL(triggered()), this, SLOT(openWorld()));
 
 	m_actReload = new QAction(tr("&Reload"), this);
 	m_actReload->setShortcut(tr("F5"));
-	m_actReload->setStatusTip(tr("Open an existing world and display its biomes"));
+	m_actReload->setStatusTip(tr("Clear the view cache and force a reload of all the data"));
 	connect(m_actReload, SIGNAL(triggered()), m_BiomeView, SLOT(reload()));
 
 	m_actExit = new QAction(tr("E&xit"), this);
@@ -174,7 +224,8 @@ void MainWindow::createWorldActions()
 void MainWindow::createMenus()
 {
 	QMenu * file = menuBar()->addMenu(tr("&Map"));
-	file->addAction(m_actGen);
+	file->addAction(m_actNewGen);
+	file->addAction(m_actOpenGen);
 	file->addSeparator();
 	QMenu * worlds = file->addMenu(tr("Open existing"));
 	worlds->addActions(m_WorldActions);
@@ -182,7 +233,7 @@ void MainWindow::createMenus()
 	{
 		worlds->setEnabled(false);
 	}
-	file->addAction(m_actOpen);
+	file->addAction(m_actOpenWorld);
 	file->addSeparator();
 	file->addAction(m_actReload);
 	file->addSeparator();
diff --git a/Tools/QtBiomeVisualiser/MainWindow.h b/Tools/QtBiomeVisualiser/MainWindow.h
index 997d7a5d2..840e01b0f 100644
--- a/Tools/QtBiomeVisualiser/MainWindow.h
+++ b/Tools/QtBiomeVisualiser/MainWindow.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <memory>
 #include <QList>
 #include <QMainWindow>
 #include "BiomeView.h"
@@ -8,6 +9,13 @@
 
 
 
+// fwd:
+class GeneratorSetupDlg;
+
+
+
+
+
 class MainWindow :
 	public QMainWindow
 {
@@ -16,23 +24,27 @@ class MainWindow :
 	BiomeView * m_BiomeView;
 
 public:
-	MainWindow(QWidget *parent = 0);
+	MainWindow(QWidget * parent = nullptr);
 	~MainWindow();
 
 private slots:
+	/** Creates a generator definition from scratch, lets user modify generator params in realtime. */
+	void newGenerator();
+
 	/** Opens a generator definition and generates the biomes based on that. */
-	void generate();
+	void openGenerator();
 
 	/** Opens an existing world and displays the loaded biomes. */
-	void open();
+	void openWorld();
 
 	/** Opens a vanilla world that is specified by the calling action. */
 	void openVanillaWorld();
 
 protected:
 	// Actions:
-	QAction * m_actGen;
-	QAction * m_actOpen;
+	QAction * m_actNewGen;
+	QAction * m_actOpenGen;
+	QAction * m_actOpenWorld;
 	QAction * m_actReload;
 	QAction * m_actExit;
 
@@ -42,6 +54,9 @@ protected:
 	/** Path to the vanilla folder. */
 	QString m_MinecraftPath;
 
+	/** The dialog for setting up the generator. */
+	std::unique_ptr<GeneratorSetupDlg> m_GeneratorSetupDlg;
+
 
 	/** Initializes the m_MinecraftPath based on the proper MC path */
 	void initMinecraftPath();
diff --git a/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro b/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro
index 283e180f8..7171562bb 100644
--- a/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro
+++ b/Tools/QtBiomeVisualiser/QtBiomeVisualiser.pro
@@ -46,7 +46,8 @@ SOURCES += main.cpp\
     ../../lib/zlib/inftrees.c \
     ../../lib/zlib/trees.c \
     ../../lib/zlib/uncompr.c \
-    ../../lib/zlib/zutil.c
+    ../../lib/zlib/zutil.c \
+    GeneratorSetupDlg.cpp
 
 HEADERS  += MainWindow.h \
 		Globals.h \
@@ -78,7 +79,8 @@ HEADERS  += MainWindow.h \
     ../../lib/zlib/trees.h \
     ../../lib/zlib/zconf.h \
     ../../lib/zlib/zlib.h \
-    ../../lib/zlib/zutil.h
+    ../../lib/zlib/zutil.h \
+    GeneratorSetupDlg.h
 
 INCLUDEPATH += $$_PRO_FILE_PWD_ \
 	$$_PRO_FILE_PWD_/../../src \