1 files changed, 52 insertions, 0 deletions
diff --git a/chord.cpp b/chord.cpp
new file mode 100644
index 0000000..8c6be33
--- /dev/null
+++ b/chord.cpp
@@ -0,0 +1,52 @@
+#include "chord.h"
+
+Chord::Chord(int btn, int startTime, int endTime) {
+  start = startTime;
+  end = endTime;
+  for (int i=0; i<5; i++) {
+    notes[i] = false;
+  }
+  notes[btn] = true;
+};
+
+Chord::~Chord() {};
+
+void Chord::change(int button) {
+  notes[button] = !notes[button];
+};
+
+void Chord::setEnd(int endTime) {
+  end = endTime;
+};
+
+void Chord::setRenderStart(int renderTime) {
+  renderStart = start - renderTime;
+};
+
+bool* Chord::getNotes() {
+  return notes;
+};
+
+int Chord::getStart() {
+  return start;
+};
+
+int Chord::getEnd() {
+  return end;
+};
+
+int Chord::getRenderStart() {
+  return renderStart;
+};
+
+std::regex Chord::getRegex() {
+  // empty string
+  std::string regex = "";
+  // true becomes "t" and false becomes "f"
+  // this is used to create a string of 5 characters
+  // which can be used as a regex
+  for (int i=0; i<5; i++) {
+    regex += notes[i] ? "t" : "f";
+  }
+  return std::regex(regex);
+};