Readd simple text format to replace bitmap font XML

source/Irrlicht/CGUIEnvironment.cpp

@@ -1278,7 +1278,8 @@ IGUIFont* CGUIEnvironment::getFont(const io::path& filename)
 	}
 
 	IGUIFont* ifont=0;
-#if 0
+	io::IReadFile *file = FileSystem->createAndOpenFile(filename);
+	if (file)
 	{
 		CGUIFont* font = new CGUIFont(this, filename);
 		ifont = (IGUIFont*)font;
@@ -1286,15 +1287,14 @@ IGUIFont* CGUIEnvironment::getFont(const io::path& filename)
 		// load the font
 		io::path directory;
 		core::splitFilename(filename, &directory);
-			if (!font->load(xml, directory))
+		if (!font->load(file, directory))
 		{
 			font->drop();
 			font  = 0;
 			ifont = 0;
 		}
+		file->drop();
 	}
-#endif
-
 
 	if (!ifont)
 	{

source/Irrlicht/CGUIFont.cpp

@@ -6,6 +6,7 @@
 #ifdef _IRR_COMPILE_WITH_GUI_
 
 #include "os.h"
+#include "fast_atof.h"
 #include "coreutil.h"
 #include "IGUIEnvironment.h"
 #include "IReadFile.h"
@@ -62,122 +63,106 @@ CGUIFont::~CGUIFont()
 }
 
 
-#if 0
+//! loads a font file from tsv
-//! loads a font file from xml
+bool CGUIFont::load(io::IReadFile* file, const io::path& directory)
-bool CGUIFont::load(io::IXMLReader* xml, const io::path& directory)
 {
 	if (!SpriteBank)
 		return false;
 
 	SpriteBank->clear();
 
-	while (xml->read())
+	const long size = file->getSize();
+	core::stringc Buffer;
+	Buffer.reserve(size + 1);
+	if (file->read(&Buffer[0], size) != static_cast<size_t>(size))
 	{
-		if (io::EXN_ELEMENT == xml->getNodeType())
+		os::Printer::log("Could not read from file", ELL_ERROR);
+		return false;
+	}
+	Buffer[size] = 0;
+	const c8 *P = &Buffer[0], *End = P + size;
+
+#define SkipSpace() \
+		while (P < End && (*P == ' ' || *P == '\t' || *P == '\v')) { P++; }
+#define SkipLine(rest) \
+		while (rest && P < End && *P != '\r' && *P != '\n') P++; \
+		while (P < End && (*P == '\r' || *P == '\n')) { P++; }
+
+	while (P < End)
 	{
-			if (core::stringw(L"Texture") == xml->getNodeName())
+		if (!strncmp(P, "Texture:", 8))
 		{
 			// add a texture
-				core::stringc fn = xml->getAttributeValue(L"filename");
+			P += 8;
-				u32 i = (u32)xml->getAttributeValueAsInt(L"index");
+			SkipSpace()
-				core::stringw alpha = xml->getAttributeValue(L"hasAlpha");
+			core::stringc fn;
-
+			for (; P < End && *P != '\r' && *P != '\n'; P++)
-				while (i+1 > SpriteBank->getTextureCount())
+				fn.append(*P);
-					SpriteBank->addTexture(0);
+			SkipLine(0)
 
 			bool flags[3];
 			pushTextureCreationFlags(flags);
 
 			// load texture
 			io::path textureFullName = core::mergeFilename(directory, fn);
-				SpriteBank->setTexture(i, Driver->getTexture(textureFullName));
+			SpriteBank->setTexture(0, Driver->getTexture(textureFullName));
 
 			popTextureCreationFlags(flags);
 
-				// couldn't load texture, abort.
+			if (!SpriteBank->getTexture(0))
-				if (!SpriteBank->getTexture(i))
 			{
-					os::Printer::log("Unable to load all textures in the font, aborting", ELL_ERROR);
+				os::Printer::log("Unable to load texture in the font, aborting", ELL_ERROR);
 				return false;
 			}
+		}
 		else
-				{
-					// colorkey texture rather than alpha channel?
-					if (alpha == core::stringw("false"))
-						Driver->makeColorKeyTexture(SpriteBank->getTexture(i), core::position2di(0,0));
-				}
-			}
-			else if (core::stringw(L"c") == xml->getNodeName())
 		{
 			// adding a character to this font
 			SFontArea a;
 			SGUISpriteFrame f;
 			SGUISprite s;
-				core::rect<s32> rectangle;
+			core::rect<s32> rect;
+			wchar_t ch;
 
-				a.underhang		= xml->getAttributeValueAsInt(L"u");
+			// Format of a line:
-				a.overhang		= xml->getAttributeValueAsInt(L"o");
+			// <char (hex)> <X1> <Y1> <X2> <Y2> [u] [o]
-				a.spriteno		= SpriteBank->getSprites().size();
-				s32 texno		= xml->getAttributeValueAsInt(L"i");
 
-				// parse rectangle
+			ch = static_cast<wchar_t>(core::strtoul16(P, &P));
-				core::stringc rectstr	= xml->getAttributeValue(L"r");
+			SkipSpace()
-				wchar_t ch		= xml->getAttributeValue(L"c")[0];
 
-				const c8 *c = rectstr.c_str();
+			rect.UpperLeftCorner.X = core::strtol10(P, &P);
-				s32 val;
+			SkipSpace()
-				val = 0;
+			rect.UpperLeftCorner.Y = core::strtol10(P, &P);
-				while (*c >= '0' && *c <= '9')
+			SkipSpace()
+			rect.LowerRightCorner.X = core::strtol10(P, &P);
+			SkipSpace()
+			rect.LowerRightCorner.Y = core::strtol10(P, &P);
+			SkipSpace()
+
+			if (core::isdigit(*P))
 			{
-					val *= 10;
+				a.underhang = core::strtol10(P, &P);
-					val += *c - '0';
+				SkipSpace()
-					c++;
+				if (core::isdigit(*P))
+					a.overhang = core::strtol10(P, &P);
 			}
-				rectangle.UpperLeftCorner.X = val;
-				while (*c == L' ' || *c == L',') c++;
 
-				val = 0;
+			SkipLine(1)
-				while (*c >= '0' && *c <= '9')
-				{
-					val *= 10;
-					val += *c - '0';
-					c++;
-				}
-				rectangle.UpperLeftCorner.Y = val;
-				while (*c == L' ' || *c == L',') c++;
 
-				val = 0;
+			CharacterMap.insert(ch, Areas.size());
-				while (*c >= '0' && *c <= '9')
-				{
-					val *= 10;
-					val += *c - '0';
-					c++;
-				}
-				rectangle.LowerRightCorner.X = val;
-				while (*c == L' ' || *c == L',') c++;
-
-				val = 0;
-				while (*c >= '0' && *c <= '9')
-				{
-					val *= 10;
-					val += *c - '0';
-					c++;
-				}
-				rectangle.LowerRightCorner.Y = val;
-
-				CharacterMap.insert(ch,Areas.size());
 
 			// make frame
 			f.rectNumber = SpriteBank->getPositions().size();
-				f.textureNumber = texno;
+			f.textureNumber = 0;
 
 			// add frame to sprite
 			s.Frames.push_back(f);
 			s.frameTime = 0;
 
 			// add rectangle to sprite bank
-				SpriteBank->getPositions().push_back(rectangle);
+			SpriteBank->getPositions().push_back(rect);
-				a.width = rectangle.getWidth();
+			a.width = rect.getWidth();
+			a.spriteno = SpriteBank->getSprites().size();
 
 			// add sprite to sprite bank
 			SpriteBank->getSprites().push_back(s);
@@ -186,7 +171,9 @@ bool CGUIFont::load(io::IXMLReader* xml, const io::path& directory)
 			Areas.push_back(a);
 		}
 	}
-	}
+
+#undef SkipSpace
+#undef SkipLine
 
 	// set bad character
 	WrongCharacter = getAreaFromCharacter(L' ');
@@ -195,7 +182,6 @@ bool CGUIFont::load(io::IXMLReader* xml, const io::path& directory)
 
 	return true;
 }
-#endif
 
 
 void CGUIFont::setMaxHeight()

source/Irrlicht/CGUIFont.h

@@ -44,6 +44,10 @@ public:
 	//! loads a font from a texture file
 	bool load(io::IReadFile* file);
 
+	//! loads a font from a TSV file
+	// \param directory Directory in which the bitmaps can be found
+	bool load(io::IReadFile* file, const io::path& directory);
+
 	//! draws an text and clips it to the specified rectangle if wanted
 	virtual void draw(const core::stringw& text, const core::rect<s32>& position,
 			video::SColor color, bool hcenter=false,