Initial commit, reusable code for my nvgt based games.

multikey.nvgt

@@ -0,0 +1,30 @@
+// Multikey input helpers.
+bool check_key_down(array<int>@ keys) {
+    // True when at least one key in the set is currently down.
+    if (keys is null || keys.length() == 0) {
+        return false;
+    }
+
+    for (uint keyIndex = 0; keyIndex < keys.length(); keyIndex++) {
+        if (key_down(keys[keyIndex])) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool check_all_keys(array<int>@ keys) {
+    // True only when every key in the set is currently down.
+    if (keys is null || keys.length() == 0) {
+        return false;
+    }
+
+    for (uint keyIndex = 0; keyIndex < keys.length(); keyIndex++) {
+        if (!key_down(keys[keyIndex])) {
+            return false;
+        }
+    }
+
+    return true;
+}