rough but functional loading progress bar support.

numerous TODOs remaining - initial update instead of only after
completing first job; fix GUI overdraw issue; decrease granularity
(currently only 3 updates)

This was SVN commit r2033.

source/simulation/Simulation.cpp

@@ -12,6 +12,7 @@
 #include "CConsole.h"
 #include "Unit.h"
 #include "Model.h"
+#include "Loader.h"
 
 #include "gui/CGUI.h"
 
@@ -37,6 +38,34 @@ void CSimulation::Initialize(CGameAttributes *pAttribs)
 	g_EntityManager.InitializeAll();
 }
 
+
+struct ThunkParams
+{
+	CSimulation* const this_;
+	CGameAttributes* const pAttribs;
+	ThunkParams(CSimulation* this__, CGameAttributes* pAttribs_)
+		: this_(this__), pAttribs(pAttribs_) {}
+};
+
+static int LoadThunk(void* param, double time_left)
+{
+	const ThunkParams* p = (const ThunkParams*)param;
+	CSimulation* const this_        = p->this_;
+	CGameAttributes* const pAttribs = p->pAttribs;
+
+	this_->Initialize(pAttribs);
+	delete p;
+	return 0;
+}
+
+void CSimulation::RegisterInit(CGameAttributes *pAttribs)
+{
+	void* param = new ThunkParams(this, pAttribs);
+	THROW_ERR(LDR_Register(LoadThunk, param, L"CSimulation", 1000));
+}
+
+
+
 void CSimulation::Update(double frameTime)
 {
 	m_DeltaTime += frameTime;