Adds coloured output

include/colored_output.hpp

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <string>
+
+std::string colored_block(int color);

lib/colored_output.cpp

@@ -0,0 +1,29 @@
+#include "colored_output.hpp"
+
+static const bool disable_colors = false;
+
+static const std::string reset = "\x1b[49;39m";
+static const std::string colors[12] = {
+	"\x1B[33;43m",	//yellow
+	"\x1B[91;101m",	//bright red
+	"\x1B[94;104m",	//bright blue
+	"\x1B[92;102m",	//bright green
+	"\x1B[95;105m",	//bright magenta
+	"\x1B[96;106m",	//bright cyan
+	"\x1B[93;103m",	//bright yellow
+	"\x1B[31;41m",	//red
+	"\x1B[34;44m",	//blue
+	"\x1B[32;42m",	//green
+	"\x1B[35;45m",	//magenta
+	"\x1B[36;46m"	//cyan
+};
+
+std::string colored_block(int color){
+	if(disable_colors){
+		if(color == 0) return " ";
+		else return std::to_string(color);
+	} else {
+		if(color == 0) return "  ";
+		else return colors[color % 12] + std::to_string(color) + " " + reset;
+	}
+}

lib/dynamic_grid.cpp

@@ -1,4 +1,5 @@
 #include "dynamic_grid.hpp"
+#include "colored_output.hpp"
 
 #include <iostream>
 
@@ -90,7 +91,7 @@ void DynamicGrid::collapse(){
 void DynamicGrid::print(std::ostream& out) const {
 	for(auto y = H; y; --y){
 		for(auto x = 0; x < W; ++x){
-			out << get({x, y-1}) << (x == W-1 ? '\n' : ' ');
+			out << colored_block(get({x, y-1})) << (x == W-1 ? "\n" : "");
 		}
 	}
 }