Implement Lego3DManager (#380)

* Implement Lego3DManager

* Update lego3dview.cpp

* fix

* fixes

* fix wrong vtable address

* Fixes/matches

* Fix Lego3DView

* Use undefined

* More fixes

* Rename

* Rename pad

* Add blank line

* Delete stuff

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego3dmanager.cpp

@@ -0,0 +1,46 @@
+#include "lego3dmanager.h"
+
+#include "decomp.h"
+#include "mxrendersettings.h"
+#include "mxunknown100dbdbc.h"
+#include "tgl/tgl.h"
+
+DECOMP_SIZE_ASSERT(Lego3DManager, 0x10);
+
+// FUNCTION: LEGO1 0x100ab320
+Lego3DManager::Lego3DManager()
+{
+	m_render = NULL;
+	m_3dView = NULL;
+	m_unk0x0c = NULL;
+}
+
+// FUNCTION: LEGO1 0x100ab360
+Lego3DManager::~Lego3DManager()
+{
+	Destroy();
+}
+
+// FUNCTION: LEGO1 0x100ab370
+void Lego3DManager::Init(MxRenderSettings& p_settings)
+{
+	m_unk0x0c = new MxUnknown100dbdbc();
+	m_render = Tgl::CreateRenderer();
+	m_3dView = new Lego3DView();
+
+	MxRenderSettings settings;
+	MxRenderSettings::CopyFrom(settings, p_settings);
+
+	m_3dView->Init(settings, *m_render);
+}
+
+// FUNCTION: LEGO1 0x100ab460
+void Lego3DManager::Destroy()
+{
+	delete m_3dView;
+	m_3dView = NULL;
+	delete m_render;
+	m_render = NULL;
+	delete m_unk0x0c;
+	m_unk0x0c = NULL;
+}