GUECS: Minimal components from zedcaster that will let me make a GUI for a game.

matrix.cpp

@@ -0,0 +1,31 @@
+#include "matrix.hpp"
+#include "dbc.hpp"
+#include <fmt/core.h>
+#include <cmath>
+#include <cstdlib>
+#include "constants.hpp"
+
+using namespace fmt;
+using std::min, std::max;
+
+namespace matrix {
+  void dump(const std::string &msg, Matrix &map, int show_x, int show_y) {
+    println("----------------- {}", msg);
+
+    for(each_row it{map}; it.next();) {
+      int cell = map[it.y][it.x];
+
+      if(int(it.x) == show_x && int(it.y) == show_y) {
+        print("{:x}<", cell);
+      } else if(cell > 15 && cell < 32) {
+        print("{:x}+", cell - 16);
+      } else if(cell > 31) {
+        print("* ");
+      } else {
+        print("{:x} ", cell);
+      }
+
+      if(it.row) print("\n");
+    }
+  }
+}