//[-------------------------------------------------------]
//[ Protected virtual PLCore::FrontendImpl functions ]
//[-------------------------------------------------------]
int Frontend::Run(const String &sExecutableFilename, const Array<String> &lstArguments)
{
// Get traditional C-arguments
int argc = 1 + lstArguments.GetNumOfElements();
char **argv = new char *[argc];
{ // Fill C-arguments
{ // First one is the executable filename
const char *pszExecutableFilename = sExecutableFilename.GetUTF8();
const uint32 nNumOfExecutableFilenameBytes = UTF8Tools::GetNumOfStringBytes(pszExecutableFilename);
argv[0] = new char[nNumOfExecutableFilenameBytes + 1]; // +1 for the terminating zero
MemoryManager::Copy(argv[0], pszExecutableFilename, nNumOfExecutableFilenameBytes);
argv[0][nNumOfExecutableFilenameBytes] = '\0'; // The terminating zero
}
// ... and now the arguments...
for (uint32 i=0; i<lstArguments.GetNumOfElements(); i++) {
const char *pszArgument = lstArguments[i].GetUTF8();
const uint32 nNumOfArgumentBytes = UTF8Tools::GetNumOfStringBytes(pszArgument);
argv[i + 1] = new char[nNumOfArgumentBytes + 1]; // +1 for the terminating zero
MemoryManager::Copy(argv[i + 1], pszArgument, nNumOfArgumentBytes);
argv[i + 1][nNumOfArgumentBytes] = '\0'; // The terminating zero
}
}
// Create the Qt application instance on the C runtime stack
QApplication cQApplication(argc, argv);
// Set application icon
cQApplication.setWindowIcon(QIcon(":/pl_icon.png"));
// Create the mouse cursors
m_pQCursorBlank = new QCursor(Qt::BlankCursor);
// Create and set the main window
FrontendMainWindow *pFrontendMainWindow = new FrontendMainWindow(*this);
// Run the Qt application
const int nResult = cQApplication.exec();
// Destroy the main window
delete pFrontendMainWindow;
// Delete the mouse cursors
delete m_pQCursorBlank;
m_pQCursorBlank = nullptr;
// Cleanup traditional C-arguments
for (int i=0; i<argc; i++)
delete argv[i];
delete [] argv;
// Done
return nResult;
}
/**
* @brief
* Creates view planes using vertices and a view position
*/
bool PlaneSet::CreateViewPlanes(const Array<Vector3> &lstVertices, const Vector3 &vViewPosition)
{
// Are there enough vertices provided?
const uint32 nNumOfVertices = lstVertices.GetNumOfElements();
if (nNumOfVertices >= 3) {
// Check whether there are enough planes
if (GetNumOfPlanes() < nNumOfVertices+1)
GetList().Resize(nNumOfVertices+1);
// Check whether there are not to much planes
while (GetNumOfPlanes() > nNumOfVertices+1)
RemovePlane(GetNumOfPlanes()-1);
// Near plane
m_lstPlane[0].ComputeND(lstVertices[0], lstVertices[1], lstVertices[2]);
// Side planes
for (uint32 i=0; i<nNumOfVertices; i++)
m_lstPlane[i+1].ComputeND(vViewPosition, lstVertices[i], lstVertices[(i+1) % nNumOfVertices]);
// Done
return true;
} else {
// Error!
return false;
}
}
void Script::GetAssociatedFilenames(Array<String> &lstFilenames)
{
// We want to have a list of script filenames which were included within this script
// -> It appears that there's no "easy" way in Lua to get this kind of information :/
// Contains "Application", "Interaction" and so on (no final filenames)
Array<String> lstRequire;
// Get a list of loaded "require"-files
{ // -> The files loaded within a Lua script by using "require" can be accessed by using the
// global control table variable "_LOADED". See http://www.lua.org/pil/8.1.html for details.
lua_getfield(m_pLuaState, LUA_REGISTRYINDEX, "_LOADED");
if (lua_istable(m_pLuaState, -1)) {
lua_pushnil(m_pLuaState);
while (lua_next(m_pLuaState, -2)) {
if (lua_isstring(m_pLuaState, -2))
lstRequire.Add(lua_tostring(m_pLuaState, -2));
lua_pop(m_pLuaState, 1);
}
}
// Pop the table from the Lua stack
lua_pop(m_pLuaState, 1);
}
// Get the content of "package.path" used by "require" to search for a Lua loader
// -> The content looks like "?.lua;C:\SomePath\?.lua;"
const String sPackagePath = GetGlobalVariable("path", "package");
// Iterate over the "require"-list
const String sToReplace = "?.";
for (uint32 i=0; i<lstRequire.GetNumOfElements(); i++) {
// Get the current "require"
const String sRequire = lstRequire[i] + '.';
// Get the index of the first ";" within the package path
int nPreviousIndex = 0;
int nIndex = sPackagePath.IndexOf(';');
while (nIndex>-1) {
// Get current package search path, we now have e.g. "C:\SomePath\?.lua"
String sFilename = sPackagePath.GetSubstring(nPreviousIndex, nIndex-nPreviousIndex);
// Replace "?." with the "require"-name
sFilename.Replace(sToReplace, sRequire);
// Does this file exist?
if (File(sFilename).Exists()) {
// We found a match!
lstFilenames.Add(sFilename);
// Get us out of the while-loop
nIndex = -1;
} else {
// Get the index of the next ";" within the package path
nPreviousIndex = nIndex + 1;
nIndex = sPackagePath.IndexOf(';', nPreviousIndex);
}
}
}
}
/**
* @brief
* Calculates the sphere surrounding the enclosed area
*/
void PlaneSet::CalculateSphere(Sphere &cSphere) const
{
// Init sphere
cSphere.SetPos();
cSphere.SetRadius();
// Find all plane intersection points
Vector3 vD;
Array<Vector3> lstPoints;
for (uint32 nP1=0; nP1<m_lstPlane.GetNumOfElements(); nP1++) {
const Plane &cP1 = m_lstPlane[nP1];
for (uint32 nP2=0; nP2<m_lstPlane.GetNumOfElements(); nP2++) {
const Plane cP2 = m_lstPlane[nP2];
if (nP2 != nP1) {
for (uint32 nP3=0; nP3<m_lstPlane.GetNumOfElements(); nP3++) {
const Plane &cP3 = m_lstPlane[nP3];
if (nP3 != nP1 && nP3 != nP2) {
Vector3 vRes;
if (Intersect::PlanePlanePlane(cP1, cP2, cP3, vRes)) {
lstPoints.Add(vRes);
vD += vRes;
}
}
}
}
}
}
// Get sphere position and radius
if (lstPoints.GetNumOfElements()) {
vD /= static_cast<float>(lstPoints.GetNumOfElements());
cSphere.SetPos(vD);
float fMaxLength = 0.0f;
for (uint32 i=0; i<lstPoints.GetNumOfElements(); i++) {
const Vector3 &vP = lstPoints[i];
const float fLength = (vP-vD).GetLength();
if (fLength > fMaxLength)
fMaxLength = fLength;
}
cSphere.SetRadius(fMaxLength);
}
}
//[-------------------------------------------------------]
//[ Public virtual PLSound::Buffer functions ]
//[-------------------------------------------------------]
bool Buffer::LoadBuffer(const String &sFilename, bool bStream)
{
// Check parameter
if (sFilename.GetLength()) {
// Unload old sound buffer
Unload();
// Load buffer
m_bStream = bStream;
if (m_bStream) {
m_sFilename = sFilename;
// Done
return true;
} else {
// Create the buffer
alGenBuffers(1, &m_nBuffer);
ALuint nError = alGetError();
if (nError == AL_NO_ERROR) {
// Try to load ogg
m_sFilename = sFilename;
File *pFile = OpenFile();
if (pFile) {
ALsizei nFreq;
ALenum nFormat;
Array<uint8> lstBufferData;
if (LoadOGG(pFile, lstBufferData, nFormat, nFreq)) {
// Fill buffer
alBufferData(m_nBuffer, nFormat, &lstBufferData[0], lstBufferData.GetNumOfElements(), nFreq);
nError = alGetError();
if (nError == AL_NO_ERROR)
return true; // Done
else
PL_LOG(Error, String("alBufferData: ") + alGetString(nError))
} else {
// Check whether this is a wav file
const String sExtension = Url(sFilename).GetExtension();
if (sExtension == "wav") {
// Try to load wav
if (LoadWav(pFile, lstBufferData, nFormat, nFreq)) {
// Fill buffer
alBufferData(m_nBuffer, nFormat, &lstBufferData[0], lstBufferData.GetNumOfElements(), nFreq);
nError = alGetError();
if (nError == AL_NO_ERROR)
return true; // Done
else
PL_LOG(Error, String("alBufferData: ") + alGetString(nError))
} else {
delete pFile;
}
} else {
delete pFile;
}
}
/**
* @brief
* Parses the found header files in the given include path for pl_class..pl_class_end blocks
*/
void PLPluginInfo::ParseIncludeFiles(const String &sIncludePath)
{
// Check if path exists and if it points to a directory
FileObject cIncFile(sIncludePath);
if (cIncFile.Exists() && cIncFile.IsDirectory()) {
// Get all header files from the include directory
Array<String> lstFiles;
Find(lstFiles, sIncludePath, "*.h", true);
// Parse each header file
for (uint32 i=0; i<lstFiles.GetNumOfElements(); i++)
ParseFile(lstFiles[i]);
}
}
bool ContextLinux::QueryDisplayModes(Array<const PLRenderer::DisplayMode*> &lstDisplayModeList)
{
bool bResult = false; // Error by default
// Clear old list of display modes
for (uint32 i=0; i<lstDisplayModeList.GetNumOfElements(); i++)
delete lstDisplayModeList[i];
lstDisplayModeList.Clear();
// Get list of display modes
PL_LOG(Info, "Query available display modes")
// Get XRR screen configuration (don't forget "XRRFreeScreenConfigInfo()" if you no longer need it)
const int nScreen = XDefaultScreen(m_pDisplay);
XRRScreenConfiguration *pXRRScreenConfiguration = XRRGetScreenInfo(m_pDisplay, RootWindow(m_pDisplay, nScreen));
// Get specific configuration information out of our screen configuration
int nNumOfModes = 0;
XRRScreenSize *pXRRScreenSize = XRRConfigSizes(pXRRScreenConfiguration, &nNumOfModes);
// Loop through all modes
for (int nMode=0; nMode<nNumOfModes; nMode++) {
// First at all, we're only interested in some of the settings - as a result, we really should check if there's
// already a display mode within our list with the interesting settings of the current found display mode
bool bNewMode = true;
for (uint32 i=0; i<lstDisplayModeList.GetNumOfElements(); i++) {
const PLRenderer::DisplayMode *pDisplayMode = lstDisplayModeList[i];
if (pDisplayMode->vSize.x == pXRRScreenSize[nMode].width && pDisplayMode->vSize.y == pXRRScreenSize[nMode].height) {
// We already have such a display mode within our list!
bNewMode = false;
// Get us out of this loop right now!
i = lstDisplayModeList.GetNumOfElements();
}
}
if (bNewMode) {
// Get required information
PLRenderer::DisplayMode *pDisplayMode = new PLRenderer::DisplayMode;
pDisplayMode->vSize.x = pXRRScreenSize[nMode].width;
pDisplayMode->vSize.y = pXRRScreenSize[nMode].height;
pDisplayMode->nColorBits = XDefaultDepth(m_pDisplay, nScreen);
// [TODO] Under Linux there is currently no real 32 bit visual (RGBA)
// only 24 bit (RGB) which is equal to 32 bit in RGB (without alpha value)
if (pDisplayMode->nColorBits == 24)
pDisplayMode->nColorBits = 32;
pDisplayMode->nFrequency = 0;
// Give out a log message
String sTemp;
if (pDisplayMode->nFrequency) {
sTemp = String::Format("Found: %dx%dx%d %d Hz", pDisplayMode->vSize.x, pDisplayMode->vSize.y, pDisplayMode->nColorBits, pDisplayMode->nFrequency);
} else {
sTemp = String::Format("Found: %dx%dx%d", pDisplayMode->vSize.x, pDisplayMode->vSize.y, pDisplayMode->nColorBits);
}
// Add found display mode to list
PL_LOG(Info, sTemp)
lstDisplayModeList.Add(pDisplayMode);
}
}
// Was at least one display mode found?
if (lstDisplayModeList.GetNumOfElements())
bResult = true; // Success! :D
else
PL_LOG(Error, "No available & supported display modes found!")
// Free XRR screen configuration
XRRFreeScreenConfigInfo(pXRRScreenConfiguration);
// Done
return bResult;
}
