Add version text in title selection menu

-Add to the .gitignore
-Update MODMOON_VERSION to "301"
-Add a simple algorithm to generate a version string from the config file, and display it in the title selection menu- I have to say, sDraw's text manipulation stuff is pretty nice :)

.gitignore

@@ -17,3 +17,4 @@ ModMoon.elf
 ModMoon.vcxproj.filters
 *.t3x
 ModMoon.cia
+textures/spritesheet.preview.png

source/config.cpp

@@ -112,12 +112,16 @@ Config::Config(string path, string filename)
 	delete[] buf;
 	in.close();
 	}
+	if(this->read("ModMoonVersion", 0) < MODMOON_VERSION)
+		this->write("ModMoonVersion", MODMOON_VERSION);
 	//if(read("ConfigFileVersion", 0) < CONFIG_FILE_VERSION) updateconfig();
 }
 
 string Config::read(string configsetting)
 {
 	int pos = configfile.find(configsetting, 0);
+	if(pos == string::npos)
+		return "";
 	pos += configsetting.size() + 1; //Now pos is after the '{' of the config setting
 	int posb = configfile.find('}', pos);
 	return configfile.substr(pos, posb-pos);

source/config.hpp

@@ -4,7 +4,7 @@
 #include <3ds/types.h>
 
 #define CONFIG_FILE_VERSION 17
-#define MODMOON_VERSION 30
+#define MODMOON_VERSION 301
 using namespace std;
 
 class Config

source/main.cpp

@@ -9,6 +9,7 @@
 #include <cmath>
 #include <errno.h>
 #include <algorithm>
+#include <cctype>
 
 #include <3ds.h>
 
@@ -95,6 +96,23 @@ string slotname = "";
 
 float minusy = 0;
 
+string getversion()
+{
+	//After each digit, insert a period.
+	string version = to_string(config.read("ModMoonVersion", 0));
+	//Don't count the last digit.
+	for (unsigned int i = 0; i < version.size() - 1; i++)
+	{
+		char c = version.at(i);
+		if (isdigit(c))
+		{
+			version.insert(i + 1, ".");
+		}
+	}
+	version.insert(0, "Version: ");
+	return version;
+}
+
 string tid2str(u64 in)
 {
 	stringstream out;
@@ -417,7 +435,6 @@ void drawtopscreen()
 
 	//Draw the title selection text
 	draw.settextcolor(RGBA8(165, 165, 165, 255));
-	//Not implemented...
 	draw.drawtext(": Help", 5, 240 - 40, 0.55, 0.55);
 	draw.drawtext(": Title selection", 5, 240 - 20, 0.55, 0.55);
 	//Draw the current title

source/main.hpp

@@ -89,4 +89,5 @@ bool issaltysdtitle(u64 optionaltitleid = 0);
 //Returns "USA", "EUR" or "JPN"
 string saltysdtidtoregion(u64 optionaltitleid = 0);
 void drawtopscreen();
-bool secretcodeadvance(u32 kDown);
+bool secretcodeadvance(u32 kDown);
+string getversion();

source/titleselect.cpp

@@ -110,6 +110,9 @@ void titleselectdraw(C3D_Tex prevfb, float fbinterpfactor, int scrollsubtractrow
 	}
 	draw.drawtexture(titleselectionboxes, 26, 21);
 	draw.drawframebuffer(prevfb, 0, 0, false, 0, -240, fbinterpfactor);
+	draw.settextcolor(RGBA8(165, 165, 165, 255));
+	string versiontext = getversion();
+	draw.drawtext(versiontext.c_str(), 320 - 18 - draw.gettextmaxwidth(versiontext.c_str(), .4, .5), 0, .45, .45);
 	draw.frameend();
 }