added IFileSystem::getFileDir and made XML bitmap font use relative path for texture.

gui editor now compiles again

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@654 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IFileSystem.h

@@ -115,6 +115,10 @@ public:
 	//! Converts a relative path to an absolute (unique) path, resolving symbolic links if required
 	virtual irr::core::stringc getAbsolutePath(irr::core::stringc &filename) = 0;
 
+	//! Returns the directory a file is located in.
+	/** \param filename: The file to get the directory from */
+	virtual irr::core::stringc getFileDir(irr::core::stringc &filename) = 0;
+
 	//! Creates a list of files and directories in the current working directory and returns it.
 	/** \return a Pointer to the created IFileList is returned. After the list has been used
 	it has to be deleted using its IFileList::drop() method.

source/Irrlicht/CFileSystem.cpp

@@ -231,6 +231,22 @@ irr::core::stringc CFileSystem::getAbsolutePath(irr::core::stringc &filename)
 	return ret;
 }
 
+irr::core::stringc CFileSystem::getFileDir(irr::core::stringc &filename)
+{
+	irr::core::stringc ret;
+ 
+	// find last forward or backslash
+	s32 lastSlash = filename.findLast('/');
+	s32 lastBackSlash = filename.findLast('\\');
+	lastSlash = lastSlash > lastBackSlash ? lastSlash : lastBackSlash;
+
+	if (lastSlash >= 0 && lastSlash < (s32)filename.size())
+		ret = filename.subString(0, lastSlash);
+	else
+		ret = ".";
+
+	return ret;
+}
 
 //! Creates a list of files and directories in the current working directory 
 IFileList* CFileSystem::createFileList()

source/Irrlicht/CFileSystem.h

@@ -58,6 +58,10 @@ public:
 	//! Converts a relative path to an absolute (unique) path, resolving symbolic links
 	virtual irr::core::stringc getAbsolutePath(irr::core::stringc &filename);
 
+	//! Returns the directory a file is located in.
+	/** \param filename: The file to get the directory from */
+	virtual irr::core::stringc getFileDir(irr::core::stringc &filename);
+
 	//! Creates a list of files and directories in the current working directory 
 	//! and returns it.
 	virtual IFileList* createFileList();

source/Irrlicht/CGUIEnvironment.cpp

@@ -1184,12 +1184,19 @@ IGUIFont* CGUIEnvironment::getFont(const c8* filename)
 		{
 			CGUIFont* font = new CGUIFont(this, f.Filename.c_str());
 			ifont = (IGUIFont*)font;
+			// change working directory, for loading textures
+			core::stringc workingDir = FileSystem->getWorkingDirectory();
+			FileSystem->changeWorkingDirectoryTo(FileSystem->getFileDir(f.Filename).c_str());
+
+			// load the font
 			if (!font->load(xml))
 			{
 				font->drop();
 				font  = 0;
 				ifont = 0;
 			}
+			// change working dir back again
+			FileSystem->changeWorkingDirectoryTo( workingDir.c_str());
 		}
 		else if (t==EGFT_VECTOR)
 		{

tools/GUIEditor/CGUIAttributeEditor.cpp

@@ -1,7 +1,7 @@
 
 #include "CGUIAttributeEditor.h"
 #include "IGUIEnvironment.h"
-
+#include "IFileSystem.h"
 #include "IVideoDriver.h"
 #include "IAttributes.h"
 #include "IGUIFont.h"

tools/GUIEditor/CGUIEditWorkspace.cpp

@@ -9,6 +9,7 @@
 #include "IVideoDriver.h"
 #include "IOSOperator.h"
 #include "IReadFile.h"
+#include "IFileSystem.h"
 #include "IXMLWriter.h"
 #include "IGUISkin.h"
 #include "IGUIElementFactory.h"

tools/GUIEditor/CGUITextureCacheBrowser.cpp

@@ -4,6 +4,7 @@
 
 #include "CGUITextureCacheBrowser.h"
 #include "IGUIEnvironment.h"
+#include "IGUIButton.h"
 #include "IGUISkin.h"
 #include "IGUIFont.h"
 #include "IVideoDriver.h"

tools/GUIEditor/GUI Editor.vcproj

@@ -67,7 +67,7 @@
 				AdditionalOptions=" kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib glu32.lib opengl32.lib "
 				OutputFile="../../bin/Win32-visualstudio/GUIEditor.exe"
 				LinkIncremental="2"
-				AdditionalLibraryDirectories=""C:\Documents and Settings\Administrator\My Documents\svn\irrlicht\lib\Win32-visualstudio""
+				AdditionalLibraryDirectories=""..\..\lib\Win32-visualstudio""
 				GenerateDebugInformation="true"
 				ProgramDatabaseFile="$(OutDir)/TestProject.pdb"
 				SubSystem="1"

tools/GUIEditor/main.cpp

@@ -53,8 +53,7 @@ int main()
 	IGUISkin *skin = env->createSkin(EGST_WINDOWS_METALLIC);
 	env->setSkin(skin);
 
-	device->getFileSystem()->addFolderFileArchive ( "../../media/" );
-	IGUIFont *font = env->getFont("lucida.xml");
+	IGUIFont *font = env->getFont("../../media/lucida.xml");
 	if (font)
 		skin->setFont(font);
 	skin->drop();