Initial commit

Author: sheabunge

CenterText.lib.nxc

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+/**
+ * CenterText.Lib.nxc
+ *
+ * Centers text on the NXT screen
+ *
+ * @author Shea Bunge <http://robotics.bungeshea.com>
+ */
+
+int CenterText( const string text ) {
+   int len = StrLen(text);
+   len = (len * 5);
+   len = (100 - len);
+   len = (len / 2);
+   len = (len - 5);
+   return len;
+}
+
+char CenterTextOut( int y, string text, unsigned long options = DRAW_OPT_NORMAL ) {
+   int len = CenterText(text);
+   return TextOut( len, y, text, options );
+}

ChooseNum.lib.nxc

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+/*
+	ChooseNum.Lib.nxc
+*/
+
+/**
+ * ChooseNum.Lib.nxc
+ *
+ * Prompts the user to enter a number
+ * using the NXT buttons.
+ *
+ * @uses CenterText.Lib.nxc
+ *
+ * @author Shea Bunge <http://robotics.bungeshea.com>
+ */
+
+#include "CenterText.Lib.nxc"
+
+int ChooseNum(string label, int y, int min, int max) {
+	int value = (max+min)/2;
+	while(!ButtonPressed(BTNCENTER,0)) {
+		string msg = StrCat(label,NumToStr(value));
+		TextOut(CenterText(msg), y, msg);
+		if(ButtonPressed(BTNRIGHT,0)) {
+			while(ButtonPressed(BTNRIGHT,0));
+			value++;
+		}
+		if(ButtonPressed(BTNLEFT,0)) {
+			while(ButtonPressed(BTNLEFT,0));
+			value--;
+		}
+		if (value < min) value = max;
+		if (value > max) value = min;
+	}
+	while(ButtonPressed(BTNCENTER,0));
+	return value;
+}

README.md

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+# NXC Lib
+A collection of useful functions and libraries written in [Not eXactly C](http://bricxcc.sourceforge.net/nxc).

ScreenPrint.lib.nxc

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+/**
+ * ScreenPrint.Lib.nxc
+ *
+ * Allows you to print text on every line of the NXT
+ * screen using only one function!
+ *
+ * @author Shea Bunge <http://robotics.bungeshea.com>
+ */
+
+void ScreenPrint(string line_1, string line_2, string line_3, string line_4, string line_5, string line_6, string line_7, string line_8)
+{
+ TextOut(0, LCD_LINE1, line_1);
+ TextOut(0, LCD_LINE2, line_2);
+ TextOut(0, LCD_LINE3, line_3);
+ TextOut(0, LCD_LINE4, line_4);
+ TextOut(0, LCD_LINE5, line_5);
+ TextOut(0, LCD_LINE6, line_6);
+ TextOut(0, LCD_LINE7, line_7);
+}

lib.nxc

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+/**
+ * NXC Lib
+ * A library of functions and macros to use in your programs.
+ * Use NXT Lib in your program by adding the line #include "lib.nxc" to the start of the program.
+ */
+
+/******************* Macros *****************/
+
+#define Data(x, y, txt1, num, txt2) TextOut(x, y, StrCat(txt1, NumToStr(num), txt2))
+
+/******************* Functions *****************/
+
+int rotations(int degrees);	// Change rotations to degrees
+int degrees(int rotations);	// Change degrees to rotations
+
+int rotations(int degrees) {
+	return (degrees / 360);
+}
+
+int degrees(int rotations) {
+	return (rotations * 360);
+}