Changed DynLib internal

Fixes the "Assimp32.dll not found" bug


Former-commit-id: 662adba33c5d9cfbd23c8b0af0670626070baaa9

include/Nazara/Core/DynLib.hpp

@@ -33,8 +33,6 @@ class NzDynLibImpl;
 
 class NzDynLib : NzNonCopyable
 {
-	friend NzDynLibImpl;
-
 	public:
 		NzDynLib();
 		NzDynLib(NzDynLib&& lib);
@@ -45,7 +43,7 @@ class NzDynLib : NzNonCopyable
 
 		bool IsLoaded() const;
 
-		bool Load(const NzString& libraryPath, bool appendExtension = true);
+		bool Load(const NzString& libraryPath);
 		void Unload();
 
 		NzDynLib& operator=(NzDynLib&& lib);

src/Nazara/Audio/OpenAL.cpp

@@ -88,7 +88,7 @@ bool NzOpenAL::Initialize(bool openDevice)
 	for (const char* path : libs)
 	{
 		NzString libPath(path);
-		if (!s_library.Load(libPath, false))
+		if (!s_library.Load(libPath))
 			continue;
 
 		try

src/Nazara/Core/DynLib.cpp

@@ -61,18 +61,14 @@ bool NzDynLib::IsLoaded() const
 	return m_impl != nullptr;
 }
 
-bool NzDynLib::Load(const NzString& libraryPath, bool appendExtension)
+bool NzDynLib::Load(const NzString& libraryPath)
 {
 	NazaraLock(m_mutex)
 
 	Unload();
 
-	NzString path = libraryPath;
-	if (appendExtension && !path.EndsWith(NAZARA_DYNLIB_EXTENSION))
-		path += NAZARA_DYNLIB_EXTENSION;
-
 	std::unique_ptr<NzDynLibImpl> impl(new NzDynLibImpl(this));
-	if (!impl->Load(path, &m_lastError))
+	if (!impl->Load(libraryPath, &m_lastError))
 	{
 		NazaraError("Failed to load library: " + m_lastError);
 		return false;

src/Nazara/Core/PluginManager.cpp

@@ -83,7 +83,7 @@ bool NzPluginManager::Mount(const NzString& pluginPath, bool appendExtension)
 	}
 
 	std::unique_ptr<NzDynLib> library(new NzDynLib);
-	if (!library->Load(path, false))
+	if (!library->Load(path))
 	{
 		NazaraError("Failed to load plugin");
 		return false;

src/Nazara/Core/Posix/DynLibImpl.cpp

@@ -8,12 +8,12 @@
 #include <Nazara/Core/String.hpp>
 #include <Nazara/Core/Debug.hpp>
 
-NzDynLibImpl::NzDynLibImpl(NzDynLib* parent) :
-m_parent(parent)
+NzDynLibImpl::NzDynLibImpl(NzDynLib* parent)
 {
+	NazaraUnused(parent);
 }
 
-NzDynLibFunc NzDynLibImpl::GetSymbol(const NzString& symbol) const
+NzDynLibFunc NzDynLibImpl::GetSymbol(const NzString& symbol, NzString* errorMessage) const
 {
 	/*
 		Il n'est pas standard de cast un pointeur d'objet vers un pointeur de fonction.
@@ -31,26 +31,27 @@ NzDynLibFunc NzDynLibImpl::GetSymbol(const NzString& symbol) const
 
 	converter.pointer = dlsym(m_handle, symbol.GetConstBuffer());
 	if (!converter.pointer)
-		m_parent->SetLastError(dlerror());
+		*errorMessage = dlerror();
 
 	return converter.func;
 }
 
-bool NzDynLibImpl::Load(const NzString& libraryPath)
+bool NzDynLibImpl::Load(const NzString& libraryPath, NzString* errorMessage)
 {
 	NzString path = libraryPath;
-	if (!path.EndsWith(".so"))
+	
+	unsigned int pos = path.FindLast(".so");
+	if (pos == NzString::npos || (path.GetLength() > pos+3 && path[pos+3] != '.'))
 		path += ".so";
 
 	dlerror(); // Clear error flag
-
 	m_handle = dlopen(path.GetConstBuffer(), RTLD_LAZY | RTLD_GLOBAL);
 
 	if (m_handle)
 		return true;
 	else
 	{
-		m_parent->SetLastError(dlerror());
+		*errorMessage = dlerror();
 		return false;
 	}
 }

src/Nazara/Core/Posix/DynLibImpl.hpp

@@ -25,7 +25,6 @@ class NzDynLibImpl : NzNonCopyable
 
 	private:
 		void* m_handle;
-		NzDynLib* m_parent;
 };
 
 #endif // NAZARA_DYNLIBIMPL_HPP

src/Nazara/Core/Win32/DynLibImpl.cpp

@@ -5,6 +5,7 @@
 #include <Nazara/Core/Win32/DynLibImpl.hpp>
 #include <Nazara/Core/DynLib.hpp>
 #include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/File.hpp>
 #include <Nazara/Core/String.hpp>
 #include <memory>
 #include <Nazara/Core/Debug.hpp>
@@ -25,8 +26,12 @@ NzDynLibFunc NzDynLibImpl::GetSymbol(const NzString& symbol, NzString* errorMess
 
 bool NzDynLibImpl::Load(const NzString& libraryPath, NzString* errorMessage)
 {
-	std::unique_ptr<wchar_t[]> wPath(libraryPath.GetWideBuffer());
-	m_handle = LoadLibraryW(wPath.get());
+	NzString path = libraryPath;
+	if (!path.EndsWith(".dll"))
+		path += ".dll";
+
+	std::unique_ptr<wchar_t[]> wPath(path.GetWideBuffer());
+	m_handle = LoadLibraryExW(wPath.get(), nullptr, (NzFile::IsAbsolute(path)) ? LOAD_WITH_ALTERED_SEARCH_PATH : 0);
 
 	if (m_handle)
 		return true;