Improved code based on CppCheck results

None of this should change the engine's behavior, but the code is better
this way.


Former-commit-id: 0127769848fc1f7fc8006ee607985cfc0ead2965

SDK/src/NDK/Systems/RenderSystem.cpp

@@ -19,8 +19,6 @@ namespace Ndk
 		for (const Ndk::EntityHandle& camera : m_cameras)
 		{
 			CameraComponent& camComponent = camera->GetComponent<CameraComponent>();
-			NodeComponent& cameraNode = camera->GetComponent<NodeComponent>();
-
 			camComponent.ApplyView();
 
 			NzScene dummyScene;

src/Nazara/Audio/Music.cpp

@@ -23,7 +23,6 @@ struct NzMusicImpl
 	std::vector<nzInt16> chunkSamples;
 	NzThread thread;
 	bool loop = false;
-	bool paused = false;
 	bool streaming = false;
 	unsigned int sampleRate;
 };

src/Nazara/Core/File.cpp

@@ -551,7 +551,6 @@ NzString NzFile::AbsolutePath(const NzString& filePath)
 		return path;
 
 	// Nous avons un chemin absolu, mais il nous faut un peu le nettoyer
-	unsigned int pathLen = base.GetSize();
 	for (unsigned int i = 0; i < sep.size(); ++i)
 	{
 		if (sep[i] == '.')
@@ -563,12 +562,8 @@ NzString NzFile::AbsolutePath(const NzString& filePath)
 
 			sep.erase(sep.begin() + i--);
 		}
-		else
-			pathLen += sep[i].GetSize();
 	}
 
-	pathLen += sep.size()-1;
-
 	NzStringStream stream(base);
 	for (unsigned int i = 0; i < sep.size(); ++i)
 	{
@@ -730,10 +725,9 @@ bool NzFile::FillHash(NzAbstractHash* hash) const
 	nzUInt64 remainingSize = file.GetSize();
 
 	char buffer[NAZARA_CORE_FILE_BUFFERSIZE];
-	unsigned int size;
 	while (remainingSize > 0)
 	{
-		size = static_cast<unsigned int>(std::min(remainingSize, static_cast<nzUInt64>(NAZARA_CORE_FILE_BUFFERSIZE)));
+		unsigned int size = static_cast<unsigned int>(std::min(remainingSize, static_cast<nzUInt64>(NAZARA_CORE_FILE_BUFFERSIZE)));
 		if (file.Read(&buffer[0], sizeof(char), size) != sizeof(char)*size)
 		{
 			NazaraError("Unable to read file");

src/Nazara/Core/Hash/CRC32.cpp

@@ -79,7 +79,7 @@ NzHashCRC32::NzHashCRC32(nzUInt32 polynomial)
 		{
 			table[i] = crc32_reflect(i, 8) << 24;
 			for (unsigned int j = 0; j < 8; ++j)
-				table[i] = (table[i] << 1) ^ (table[i] & (1 << 31) ? polynomial : 0);
+				table[i] = (table[i] << 1) ^ (table[i] & ((1 << 31) ? polynomial : 0));
 
 			table[i] = crc32_reflect(table[i], 32);
 		}

src/Nazara/Core/Hash/SHA/Internal.cpp

@@ -436,16 +436,15 @@ namespace
 
 void SHA1_Update(SHA_CTX* context, const nzUInt8* data, std::size_t len)
 {
-	unsigned int freespace, usedspace;
 	if (len == 0)
 		/* Calling with no data is valid - we do nothing */
 		return;
 
-	usedspace = (context->s1.bitcount >> 3) % 64;
+	unsigned int usedspace = (context->s1.bitcount >> 3) % 64;
 	if (usedspace > 0)
 	{
 		/* Calculate how much free space is available in the buffer */
-		freespace = 64 - usedspace;
+		unsigned int freespace = 64 - usedspace;
 
 		if (len >= freespace)
 		{
@@ -647,17 +646,15 @@ void SHA256_Internal_Transform(SHA_CTX* context, const nzUInt32* data)
 
 void SHA256_Update(SHA_CTX* context, const nzUInt8 *data, std::size_t len)
 {
-	unsigned int freespace, usedspace;
-
 	if (len == 0)
 		/* Calling with no data is valid - we do nothing */
 		return;
 
-	usedspace = (context->s256.bitcount >> 3) % 64;
+	unsigned int usedspace = (context->s256.bitcount >> 3) % 64;
 	if (usedspace > 0)
 	{
 		/* Calculate how much free space is available in the buffer */
-		freespace = 64 - usedspace;
+		unsigned int freespace = 64 - usedspace;
 
 		if (len >= freespace)
 		{
@@ -905,17 +902,15 @@ void SHA512_Internal_Transform(SHA_CTX* context, const nzUInt64* data)
 
 void SHA512_Update(SHA_CTX* context, const nzUInt8 *data, std::size_t len)
 {
-	unsigned int freespace, usedspace;
-
 	if (len == 0)
 		/* Calling with no data is valid - we do nothing */
 		return;
 
-	usedspace = (context->s512.bitcount[0] >> 3) % 128;
+	unsigned int usedspace = (context->s512.bitcount[0] >> 3) % 128;
 	if (usedspace > 0)
 	{
 		/* Calculate how much free space is available in the buffer */
-		freespace = 128 - usedspace;
+		unsigned int freespace = 128 - usedspace;
 
 		if (len >= freespace)
 		{

src/Nazara/Graphics/SkinningManager.cpp

@@ -89,7 +89,6 @@ namespace
 							pair.second.second.updated = false;
 
 						break;
-						break;
 					}
 				}
 

src/Nazara/Renderer/OpenGL.cpp

@@ -781,7 +781,7 @@ bool NzOpenGL::Initialize()
 	major = version[0] - '0';
 	minor = version[2] - '0';
 
-	if (major <= 0 || major > 9)
+	if (major == 0 || major > 9)
 	{
 		NazaraError("Unable to retrieve OpenGL major version");
 		return false;

src/Nazara/Renderer/Renderer.cpp

@@ -1797,10 +1797,6 @@ bool NzRenderer::EnsureStateUpdate()
 
 			if (update)
 			{
-				const NzVertexDeclaration* vertexDeclaration;
-				unsigned int bufferOffset;
-				unsigned int stride;
-
 				// Pour éviter la duplication de code, on va utiliser une astuce via une boucle for
 				for (unsigned int i = 0; i < (s_instancing ? 2 : 1); ++i)
 				{
@@ -1810,9 +1806,9 @@ bool NzRenderer::EnsureStateUpdate()
 					NzHardwareBuffer* vertexBufferImpl = static_cast<NzHardwareBuffer*>(vertexBuffer->GetBuffer()->GetImpl());
 					glBindBuffer(NzOpenGL::BufferTarget[nzBufferType_Vertex], vertexBufferImpl->GetOpenGLID());
 
-					bufferOffset = vertexBuffer->GetStartOffset();
+					unsigned int bufferOffset = vertexBuffer->GetStartOffset();
-					vertexDeclaration = vertexBuffer->GetVertexDeclaration();
+					const NzVertexDeclaration* vertexDeclaration = vertexBuffer->GetVertexDeclaration();
-					stride = vertexDeclaration->GetStride();
+					unsigned int stride = vertexDeclaration->GetStride();
 
 					// On définit les bornes (une fois de plus selon l'itération)
 					unsigned int start = (i == 0) ? nzVertexComponent_FirstVertexData : nzVertexComponent_FirstInstanceData;

src/Nazara/Renderer/Shader.cpp

@@ -258,7 +258,7 @@ NzString NzShader::GetSourceCode(nzShaderStage stage) const
 	{
 		if (offset > 0)
 		{
-			std::memcpy(&source[offset], sep, sizeof(sep)/sizeof(char));
+			std::memcpy(&source[offset], sep, sizeof(sep));
 			offset += sizeof(sep)/sizeof(char);
 		}
 

src/Nazara/Renderer/Texture.cpp

@@ -963,12 +963,9 @@ bool NzTexture::Update(const nzUInt8* pixels, const NzBoxui& box, unsigned int s
 		NazaraError("Invalid box");
 		return false;
 	}
-	#endif
 	
-	unsigned int height = GetLevelSize(m_impl->height, level);
-
-	#if NAZARA_RENDERER_SAFE
 	unsigned int width = GetLevelSize(m_impl->width, level);
+	unsigned int height = GetLevelSize(m_impl->height, level);
 	unsigned int depth = (m_impl->type == nzImageType_Cubemap) ? 6 : GetLevelSize(m_impl->depth, level);
 	if (box.x+box.width > width || box.y+box.height > height || box.z+box.depth > depth ||
 	    (m_impl->type == nzImageType_Cubemap && box.depth > 1)) // Nous n'autorisons pas de modifier plus d'une face du cubemap à la fois

src/Nazara/Utility/Algorithm.cpp

@@ -37,7 +37,7 @@ namespace
 	class IcoSphereBuilder
 	{
 		public:
-			IcoSphereBuilder(const NzMatrix4f& matrix) :
+			explicit IcoSphereBuilder(const NzMatrix4f& matrix) :
 			m_matrix(matrix)
 			{
 			}

src/Nazara/Utility/Loaders/FreeType/Loader.cpp

@@ -144,7 +144,6 @@ namespace
 					// "If you want to embolden the bitmap owned by a FT_GlyphSlot_Rec, you should call FT_GlyphSlot_Own_Bitmap on the slot first"
 					FT_GlyphSlot_Own_Bitmap(glyph);
 					FT_Bitmap_Embolden(s_library, &glyph->bitmap, boldStrength, boldStrength);
-					embolden = false;
 				}
 
 				dst->advance += glyph->metrics.horiAdvance >> 6;
@@ -173,7 +172,7 @@ namespace
 						for (unsigned int y = 0; y < height; ++y)
 						{
 							for (unsigned int x = 0; x < width; ++x)
-								*pixels++ = (data[x/8] & (1 << (7 - x%8)) ? 255 : 0);
+								*pixels++ = (data[x/8] & ((1 << (7 - x%8)) ? 255 : 0));
 
 							data += glyph->bitmap.pitch;
 						}

src/Nazara/Utility/Loaders/MD5Anim/Parser.cpp

@@ -469,7 +469,7 @@ bool NzMD5AnimParser::ParseHierarchy()
 		}
 
 		char name[64];
-		if (std::sscanf(&m_currentLine[0], "%s %d %u %u", &name[0], &m_joints[i].parent, &m_joints[i].flags, &m_joints[i].index) != 4)
+		if (std::sscanf(&m_currentLine[0], "%63s %d %u %u", &name[0], &m_joints[i].parent, &m_joints[i].flags, &m_joints[i].index) != 4)
 		{
 			UnrecognizedLine(true);
 			return false;

src/Nazara/Utility/Loaders/MD5Mesh/Parser.cpp

@@ -234,7 +234,7 @@ bool NzMD5MeshParser::ParseJoints()
 		}
 
 		char name[64];
-		if (std::sscanf(&m_currentLine[0], "%s %d ( %f %f %f ) ( %f %f %f )", &name[0], &m_joints[i].parent,
+		if (std::sscanf(&m_currentLine[0], "%63s %d ( %f %f %f ) ( %f %f %f )", &name[0], &m_joints[i].parent,
 																			    &m_joints[i].bindPos.x, &m_joints[i].bindPos.y, &m_joints[i].bindPos.z,
 																			    &m_joints[i].bindOrient.x, &m_joints[i].bindOrient.y, &m_joints[i].bindOrient.z) != 8)
 		{

src/Nazara/Utility/SubMesh.cpp

@@ -130,10 +130,6 @@ void NzSubMesh::GenerateTangents()
 		dv[0] = positions[iterator[1]] - pos0;
 		dv[1] = positions[iterator[2]] - pos0;
 
-		NzVector2f duv[2];
-		duv[0] = uv1 - uv0;
-		duv[1] = uv2 - uv0;
-
 		float ds[2];
 		ds[0] = uv1.x - uv0.x;
 		ds[1] = uv2.x - uv0.x;