mirrors/SFML
1
0
Fork 0
mirror of https://github.com/SFML/SFML.git synced 2024-11-24 20:31:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

Reduce the scope of variables

Browse Source
This commit is contained in:
Chris Thrasher 2024-10-12 10:39:19 -06:00 committed by Vittorio Romeo
parent 56f9ee2b40
commit cabc36b8a4
21 changed files with 64 additions and 125 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
examples/island/Island.cpp
View File

@ -240,10 +240,9 @@ sf::Vector2f computeNormal(float left, float right, float bottom, float top)
/// coordinates.
///
////////////////////////////////////////////////////////////
const auto scalingFactors = sf::Vector2f(windowSize).componentWiseDiv(sf::Vector2f(resolution));
sf::Vertex computeVertex(sf::Vector2u position)
{
static const auto scalingFactors = sf::Vector2f(windowSize).componentWiseDiv(sf::Vector2f(resolution));
sf::Vertex vertex;
vertex.position = sf::Vector2f(position).componentWiseMul(scalingFactors);
vertex.color = getTerrainColor(getElevation(position), getMoisture(position));

2
examples/shader/Shader.cpp
View File

@ -398,7 +398,7 @@ int main()
std::optional edgeEffect = tryLoadEdge();
std::optional geometryEffect = tryLoadGeometry();
const auto optionalToPtr = [&](auto& effect) -> Effect* { return effect.has_value() ? &*effect : nullptr; };
const auto optionalToPtr = [](auto& effect) -> Effect* { return effect.has_value() ? &*effect : nullptr; };
const std::array<Effect*, 5> effects{optionalToPtr(pixelateEffect),
optionalToPtr(waveBlurEffect),

4
src/SFML/Audio/AudioDevice.cpp
View File

@ -462,9 +462,9 @@ std::optional<ma_device_id> AudioDevice::getSelectedDeviceId() const
if (!deviceName)
deviceName = PlaybackDevice::getDefaultDevice();
auto iter = std::find_if(devices.begin(),
const auto iter = std::find_if(devices.begin(),
devices.end(),
[&](const auto& device) { return device.name == deviceName; });
[&deviceName](const auto& device) { return device.name == deviceName; });
if (iter != devices.end())
return iter->id;

4
src/SFML/Audio/PlaybackDevice.cpp
View File

@ -66,8 +66,8 @@ bool setDevice(const std::string& name)
{
// Perform a sanity check to make sure the user isn't passing us a non-existent device name
const auto devices = priv::AudioDevice::getAvailableDevices();
if (auto iter = std::find_if(devices.begin(), devices.end(), [&](const auto& device) { return device.name == name; });
iter == devices.end())
if (std::find_if(devices.begin(), devices.end(), [&name](const auto& device) { return device.name == name; }) ==
devices.end())
return false;
return priv::AudioDevice::setDevice(name);

14
src/SFML/Graphics/Image.cpp
View File

@ -216,9 +216,7 @@ bool Image::loadFromFile(const std::filesystem::path& filename)
int width = 0;
int height = 0;
int channels = 0;
const auto ptr = StbPtr(stbi_load(filename.string().c_str(), &width, &height, &channels, STBI_rgb_alpha));
if (ptr)
if (const auto ptr = StbPtr(stbi_load(filename.string().c_str(), &width, &height, &channels, STBI_rgb_alpha)))
{
// Assign the image properties
m_size = Vector2u(Vector2i(width, height));
@ -251,10 +249,8 @@ bool Image::loadFromMemory(const void* data, std::size_t size)
int height = 0;
int channels = 0;
const auto* buffer = static_cast<const unsigned char*>(data);
const auto ptr = StbPtr(
stbi_load_from_memory(buffer, static_cast<int>(size), &width, &height, &channels, STBI_rgb_alpha));
if (ptr)
if (const auto ptr = StbPtr(
stbi_load_from_memory(buffer, static_cast<int>(size), &width, &height, &channels, STBI_rgb_alpha)))
{
// Assign the image properties
m_size = Vector2u(Vector2i(width, height));
@ -299,9 +295,7 @@ bool Image::loadFromStream(InputStream& stream)
int width = 0;
int height = 0;
int channels = 0;
const auto ptr = StbPtr(stbi_load_from_callbacks(&callbacks, &stream, &width, &height, &channels, STBI_rgb_alpha));
if (ptr)
if (const auto ptr = StbPtr(stbi_load_from_callbacks(&callbacks, &stream, &width, &height, &channels, STBI_rgb_alpha)))
{
// Assign the image properties
m_size = Vector2u(Vector2i(width, height));

3
src/SFML/Graphics/Shader.cpp
View File

@ -82,8 +82,7 @@ std::size_t getMaxTextureUnits()
// Read the contents of a file into an array of char
bool getFileContents(const std::filesystem::path& filename, std::vector<char>& buffer)
{
std::ifstream file(filename, std::ios_base::binary);
if (file)
if (auto file = std::ifstream(filename, std::ios_base::binary))
{
file.seekg(0, std::ios_base::end);
const std::ifstream::pos_type size = file.tellg();

10
src/SFML/Window/DRM/DRMContext.cpp
View File

@ -226,9 +226,7 @@ std::uint32_t findCrtcForConnector(const sf::priv::Drm& drm, const drmModeRes& r
for (int i = 0; i < connector.count_encoders; ++i)
{
const std::uint32_t encoderId = connector.encoders[i];
const drmModeEncoderPtr encoder = drmModeGetEncoder(drm.fileDescriptor, encoderId);
if (encoder)
if (auto* encoder = drmModeGetEncoder(drm.fileDescriptor, encoderId))
{
const std::uint32_t crtcId = findCrtcForEncoder(resources, *encoder);
@ -451,10 +449,8 @@ void checkInit()
// Use in combination with mode to request specific refresh rate for the mode
// if multiple refresh rates for same mode might be supported
unsigned int refreshRate = 0;
char* refreshString = std::getenv("SFML_DRM_REFRESH");
if (refreshString)
refreshRate = static_cast<unsigned int>(atoi(refreshString));
if (const char* refreshString = std::getenv("SFML_DRM_REFRESH"))
refreshRate = static_cast<unsigned int>(std::atoi(refreshString));
if (initDrm(drmNode,
deviceString, // device

9
src/SFML/Window/DRM/VideoModeImpl.cpp
View File

@ -38,10 +38,7 @@ std::vector<VideoMode> VideoModeImpl::getFullscreenModes()
{
std::vector<VideoMode> modes;
const Drm& drm = DRMContext::getDRM();
drmModeConnectorPtr conn = drm.savedConnector;
if (conn)
if (const auto* conn = DRMContext::getDRM().savedConnector)
{
for (int i = 0; i < conn->count_modes; i++)
modes.push_back(VideoMode({conn->modes[i].hdisplay, conn->modes[i].vdisplay}));
@ -56,9 +53,7 @@ std::vector<VideoMode> VideoModeImpl::getFullscreenModes()
////////////////////////////////////////////////////////////
VideoMode VideoModeImpl::getDesktopMode()
{
const Drm& drm = DRMContext::getDRM();
drmModeModeInfoPtr ptr = drm.mode;
if (ptr)
if (const auto* ptr = DRMContext::getDRM().mode)
return VideoMode({ptr->hdisplay, ptr->vdisplay});
return VideoMode({0, 0});

4
src/SFML/Window/FreeBSD/JoystickImpl.cpp
View File

@ -111,9 +111,7 @@ void updatePluggedList()
* and check if they are joysticks. The index of JoystickImpl::open
* does not match the /dev/uhid<index> device!
*/
DIR* directory = opendir("/dev");
if (directory)
if (DIR* directory = opendir("/dev"))
{
unsigned int joystickCount = 0;
struct dirent* directoryEntry = readdir(directory);

15
src/SFML/Window/GlContext.cpp
View File

@ -269,9 +269,7 @@ struct GlContext::SharedContext
if (glGetErrorFunc() == GL_INVALID_ENUM || !majorVersion || !glGetStringiFunc)
{
// Try to load the < 3.0 way
const char* extensionString = reinterpret_cast<const char*>(glGetStringFunc(GL_EXTENSIONS));
if (extensionString)
if (const char* extensionString = reinterpret_cast<const char*>(glGetStringFunc(GL_EXTENSIONS)))
{
extensions.clear();
@ -297,15 +295,11 @@ struct GlContext::SharedContext
extensions.clear();
for (unsigned int i = 0; i < static_cast<unsigned int>(numExtensions); ++i)
{
const char* extensionString = reinterpret_cast<const char*>(glGetStringiFunc(GL_EXTENSIONS, i));
if (extensionString)
if (const char* extensionString = reinterpret_cast<const char*>(glGetStringiFunc(GL_EXTENSIONS, i)))
extensions.emplace_back(extensionString);
}
}
}
}
// AMD drivers have issues with internal synchronization
// We need to make sure that no operating system context
@ -496,7 +490,7 @@ void GlContext::unregisterUnsharedGlObject(std::shared_ptr<void> object)
// in unshared objects should be the only one existing
const auto iter = std::find_if(unsharedGlObjects->begin(),
unsharedGlObjects->end(),
[&](const Impl::UnsharedGlObject& obj) {
[&object](const Impl::UnsharedGlObject& obj) {
return (obj.object == object) &&
(obj.contextId == GlContextImpl::CurrentContext::get().id);
});
@ -917,8 +911,7 @@ void GlContext::initialize(const ContextSettings& requestedSettings)
m_settings.majorVersion = 1;
m_settings.minorVersion = 1;
const char* version = reinterpret_cast<const char*>(glGetStringFunc(GL_VERSION));
if (version)
if (const char* version = reinterpret_cast<const char*>(glGetStringFunc(GL_VERSION)))
{
// OpenGL ES Common Lite profile: The beginning of the returned string is "OpenGL ES-CL major.minor"
// OpenGL ES Common profile: The beginning of the returned string is "OpenGL ES-CM major.minor"

4
src/SFML/Window/NetBSD/JoystickImpl.cpp
View File

@ -112,9 +112,7 @@ void updatePluggedList()
* and check if they are joysticks. The index of JoystickImpl::open
* does not match the /dev/uhid<index> device!
*/
DIR* directory = opendir("/dev");
if (directory)
if (DIR* directory = opendir("/dev"))
{
unsigned int joystickCount = 0;
struct dirent* directoryEntry = readdir(directory);

3
src/SFML/Window/Unix/GlxContext.cpp
View File

@ -300,8 +300,7 @@ XVisualInfo GlxContext::selectBestVisual(::Display* display, unsigned int bitsPe
// Retrieve all the visuals
int count = 0;
const auto visuals = X11Ptr<XVisualInfo[]>(XGetVisualInfo(display, 0, nullptr, &count));
if (visuals)
if (const auto visuals = X11Ptr<XVisualInfo[]>(XGetVisualInfo(display, 0, nullptr, &count)))
{
// Evaluate all the returned visuals, and pick the best one
int bestScore = 0x7FFFFFFF;

6
src/SFML/Window/Unix/InputImpl.cpp
View File

@ -139,8 +139,7 @@ Vector2i getMousePosition()
////////////////////////////////////////////////////////////
Vector2i getMousePosition(const WindowBase& relativeTo)
{
const WindowHandle handle = relativeTo.getNativeHandle();
if (handle)
if (const WindowHandle handle = relativeTo.getNativeHandle())
{
// Open a connection with the X server
const auto display = openDisplay();
@ -180,8 +179,7 @@ void setMousePosition(Vector2i position, const WindowBase& relativeTo)
// Open a connection with the X server
const auto display = openDisplay();
const WindowHandle handle = relativeTo.getNativeHandle();
if (handle)
if (const WindowHandle handle = relativeTo.getNativeHandle())
{
XWarpPointer(display.get(), None, handle, 0, 0, 0, 0, position.x, position.y);
XFlush(display.get());

34
src/SFML/Window/Unix/JoystickImpl.cpp
View File

@ -120,9 +120,7 @@ bool isJoystick(udev_device* udevDevice)
// On some platforms (older udev), ID_INPUT_ properties are not present, instead
// the system makes use of the ID_CLASS property to identify the device class
const char* idClass = udev_device_get_property_value(udevDevice, "ID_CLASS");
if (idClass)
if (const char* idClass = udev_device_get_property_value(udevDevice, "ID_CLASS"))
{
// Check if the device class matches joystick
if (std::strstr(idClass, "joystick"))
@ -144,9 +142,7 @@ void updatePluggedList(udev_device* udevDevice = nullptr)
{
if (udevDevice)
{
const char* action = udev_device_get_action(udevDevice);
if (action)
if (const char* action = udev_device_get_action(udevDevice))
{
if (isJoystick(udevDevice))
{
@ -300,13 +296,10 @@ unsigned int getUsbAttributeUint(udev_device* udevDevice, const std::string& att
if (!udevDevice)
return 0;
const char* attribute = getUsbAttribute(udevDevice, attributeName);
unsigned int value = 0;
if (const char* attribute = getUsbAttribute(udevDevice, attributeName))
return static_cast<unsigned int>(std::strtoul(attribute, nullptr, 16));
if (attribute)
value = static_cast<unsigned int>(std::strtoul(attribute, nullptr, 16));
return value;
return 0;
}
// Get a udev property value for a joystick as an unsigned int
@ -315,13 +308,10 @@ unsigned int getUdevAttributeUint(udev_device* udevDevice, const std::string& at
if (!udevDevice)
return 0;
const char* attribute = getUdevAttribute(udevDevice, attributeName);
unsigned int value = 0;
if (const char* attribute = getUdevAttribute(udevDevice, attributeName))
return static_cast<unsigned int>(std::strtoul(attribute, nullptr, 16));
if (attribute)
value = static_cast<unsigned int>(std::strtoul(attribute, nullptr, 16));
return value;
return 0;
}
// Get the joystick vendor id
@ -408,14 +398,10 @@ std::string getJoystickName(unsigned int index)
// Fall back to manual USB chain walk via udev
if (udevContext)
{
const auto udevDevice = UdevPtr<udev_device>(
udev_device_new_from_syspath(udevContext.get(), joystickList[index].systemPath.c_str()));
if (udevDevice)
if (const auto udevDevice = UdevPtr<udev_device>(
udev_device_new_from_syspath(udevContext.get(), joystickList[index].systemPath.c_str())))
if (const char* product = getUsbAttribute(udevDevice.get(), "product"))
return {product};
}
sf::err() << "Unable to get name for joystick " << devnode << std::endl;

10
src/SFML/Window/Unix/VideoModeImpl.cpp
View File

@ -67,9 +67,8 @@ std::vector<VideoMode> VideoModeImpl::getFullscreenModes()
if (XQueryExtension(display.get(), "RANDR", &version, &version, &version))
{
// Get the current configuration
const auto config = X11Ptr<XRRScreenConfiguration>(
XRRGetScreenInfo(display.get(), RootWindow(display.get(), screen)));
if (config)
if (const auto config = X11Ptr<XRRScreenConfiguration>(
XRRGetScreenInfo(display.get(), RootWindow(display.get(), screen))))
{
// Get the available screen sizes
int nbSizes = 0;
@ -144,9 +143,8 @@ VideoMode VideoModeImpl::getDesktopMode()
if (XQueryExtension(display.get(), "RANDR", &version, &version, &version))
{
// Get the current configuration
const auto config = X11Ptr<XRRScreenConfiguration>(
XRRGetScreenInfo(display.get(), RootWindow(display.get(), screen)));
if (config)
if (const auto config = X11Ptr<XRRScreenConfiguration>(
XRRGetScreenInfo(display.get(), RootWindow(display.get(), screen))))
{
// Get the current video mode
Rotation currentRotation = 0;

16
src/SFML/Window/Unix/WindowImplX11.cpp
View File

@ -88,8 +88,6 @@ std::bitset<256> isKeyFiltered;
std::recursive_mutex allWindowsMutex;
sf::String windowManagerName;
sf::String wmAbsPosGood[] = {"Enlightenment", "FVWM", "i3"};
constexpr unsigned long eventMask = FocusChangeMask | ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask | StructureNotifyMask |
EnterWindowMask | LeaveWindowMask | VisibilityChangeMask | PropertyChangeMask;
@ -365,9 +363,10 @@ bool isWMAbsolutePositionGood()
if (!ewmhSupported())
return false;
return std::any_of(std::begin(wmAbsPosGood),
std::end(wmAbsPosGood),
[&](const sf::String& name) { return name == windowManagerName; });
static const std::array<sf::String, 3> wmAbsPosGood = {"Enlightenment", "FVWM", "i3"};
return std::any_of(wmAbsPosGood.begin(),
wmAbsPosGood.end(),
[](const sf::String& name) { return name == windowManagerName; });
}
// Initialize raw mouse input
@ -569,8 +568,7 @@ m_cursorGrabbed(m_fullscreen)
// change our window's decorations and functions according to the requested style)
if (!m_fullscreen)
{
const Atom wmHintsAtom = getAtom("_MOTIF_WM_HINTS", false);
if (wmHintsAtom)
if (const Atom wmHintsAtom = getAtom("_MOTIF_WM_HINTS", false))
{
// NOLINTBEGIN(readability-identifier-naming)
// Disable naming check so these better match the contents of the Motif library
@ -1430,9 +1428,7 @@ void WindowImplX11::switchToFullscreen()
if (ewmhSupported())
{
const Atom netWmBypassCompositor = getAtom("_NET_WM_BYPASS_COMPOSITOR");
if (netWmBypassCompositor)
if (const Atom netWmBypassCompositor = getAtom("_NET_WM_BYPASS_COMPOSITOR"))
{
constexpr unsigned long bypassCompositor = 1;

4
src/SFML/Window/Win32/ClipboardImpl.cpp
View File

@ -91,9 +91,7 @@ void ClipboardImpl::setString(const String& text)
// Create a Win32-compatible string
const std::size_t stringSize = (text.getSize() + 1) * sizeof(WCHAR);
HANDLE stringHandle = GlobalAlloc(GMEM_MOVEABLE, stringSize);
if (stringHandle)
if (const HANDLE stringHandle = GlobalAlloc(GMEM_MOVEABLE, stringSize))
{
std::memcpy(GlobalLock(stringHandle), text.toWideString().data(), stringSize);
GlobalUnlock(stringHandle);

6
src/SFML/Window/Win32/InputImpl.cpp
View File

@ -703,8 +703,7 @@ Vector2i getMousePosition()
////////////////////////////////////////////////////////////
Vector2i getMousePosition(const WindowBase& relativeTo)
{
WindowHandle handle = relativeTo.getNativeHandle();
if (handle)
if (const WindowHandle handle = relativeTo.getNativeHandle())
{
POINT point;
GetCursorPos(&point);
@ -726,8 +725,7 @@ void setMousePosition(Vector2i position)
////////////////////////////////////////////////////////////
void setMousePosition(Vector2i position, const WindowBase& relativeTo)
{
WindowHandle handle = relativeTo.getNativeHandle();
if (handle)
if (const WindowHandle handle = relativeTo.getNativeHandle())
{
POINT point = {position.x, position.y};
ClientToScreen(handle, &point);

8
src/SFML/Window/Win32/WindowImplWin32.cpp
View File

@ -69,9 +69,7 @@ const GUID guidDevinterfaceHid = {0x4d1e55b2, 0xf16f, 0x11cf, {0x88, 0xcb, 0x00,
void setProcessDpiAware()
{
// Try SetProcessDpiAwareness first
HINSTANCE shCoreDll = LoadLibrary(L"Shcore.dll");
if (shCoreDll)
if (const HINSTANCE shCoreDll = LoadLibrary(L"Shcore.dll"))
{
enum ProcessDpiAwareness
{
@ -109,9 +107,7 @@ void setProcessDpiAware()
// Fall back to SetProcessDPIAware if SetProcessDpiAwareness
// is not available on this system
HINSTANCE user32Dll = LoadLibrary(L"user32.dll");
if (user32Dll)
if (const HINSTANCE user32Dll = LoadLibrary(L"user32.dll"))
{
using SetProcessDPIAwareFuncType = BOOL(WINAPI*)();
auto setProcessDPIAwareFunc = reinterpret_cast<SetProcessDPIAwareFuncType>(

2
src/SFML/Window/WindowImpl.cpp
View File

@ -228,7 +228,7 @@ void WindowImpl::setMaximumSize(const std::optional<Vector2u>& maximumSize)
////////////////////////////////////////////////////////////
std::optional<Event> WindowImpl::waitEvent(Time timeout)
{
const auto timedOut = [&, startTime = std::chrono::steady_clock::now()]
const auto timedOut = [timeout, startTime = std::chrono::steady_clock::now()]
{
const bool infiniteTimeout = timeout == Time::Zero;
return !infiniteTimeout && (std::chrono::steady_clock::now() - startTime) >= timeout.toDuration();

4
src/SFML/Window/macOS/SFContext.mm
View File

@ -215,9 +215,7 @@ void SFContext::createContext(SFContext* shared, unsigned int bitsPerPixel, cons
// 1.x/2.x are mapped to 2.1 since Apple only support that legacy version.
// >=3.0 are mapped to a 3.2 core profile.
const bool legacy = m_settings.majorVersion < 3;
if (legacy)
if (m_settings.majorVersion < 3)
{
m_settings.attributeFlags &= ~static_cast<unsigned int>(ContextSettings::Core);
m_settings.majorVersion = 2;