1 files changed, 34 insertions, 0 deletions

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+#include "message_system.h"
+
+void MessageSystem::tick(double dt) {
+  if (barsState_ == BarsState::Opening || barsState_ == BarsState::Closing) {
+    accum_ += dt;
+
+    if (accum_ >= length_) {
+      if (barsState_ == BarsState::Opening) {
+        barsState_ = BarsState::Open;
+      } else {
+        barsState_ = BarsState::Closed;
+      }
+    }
+  }
+}
+
+void MessageSystem::displayCutsceneBars() {
+  accum_ = 0.0;
+  barsState_ = BarsState::Opening;
+}
+
+void MessageSystem::hideCutsceneBars() {
+  accum_ = 0.0;
+  barsState_ = BarsState::Closing;
+}
+
+double MessageSystem::getCutsceneBarsProgress() const {
+  switch (barsState_) {
+    case BarsState::Closed: return 0.0;
+    case BarsState::Opening: return accum_ / length_;
+    case BarsState::Open: return 1.0;
+    case BarsState::Closing: return 1.0 - (accum_ / length_);
+  }
+}