From 57fe8f3c4124819b95164547333a33f4c45eac8d Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Sun, 10 Mar 2019 12:07:40 -0400
Subject: Editor now allows tile placement

You can scroll through the three layers (map, track, object) with Z/X. You can swap between focusing on the map and the tileset with TAB. You can place tiles with enter or space. Pretty rudimentary, but it's a start.
---
 src/input_lag.h | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/input_lag.h

(limited to 'src/input_lag.h')

diff --git a/src/input_lag.h b/src/input_lag.h
new file mode 100644
index 0000000..40bc4a1
--- /dev/null
+++ b/src/input_lag.h
@@ -0,0 +1,66 @@
+#ifndef INPUT_LAG_H_DF16F381
+#define INPUT_LAG_H_DF16F381
+
+/**
+ * Helper class that handles key repeat.
+ */
+class InputLag {
+public:
+
+  bool isActive() const
+  {
+    return active_;
+  }
+
+  void reset()
+  {
+    accum_ = 0.0;
+    active_ = false;
+    repeat_ = false;
+  }
+
+  void accumulate(double dt)
+  {
+    accum_ += dt;
+  }
+
+  bool step()
+  {
+    if (!active_)
+    {
+      active_ = true;
+
+      return true;
+    } else if (!repeat_)
+    {
+      if (accum_ > delay_)
+      {
+        accum_ -= delay_;
+        repeat_ = true;
+
+        return true;
+      }
+    } else {
+      if (accum_ > tick_)
+      {
+        accum_ -= tick_;
+
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+private:
+
+  double tick_ = 1.0 / 15.0;
+  double delay_ = tick_ * 3.0;
+
+  double accum_ = 0.0;
+  bool active_ = false;
+  bool repeat_ = false;
+
+};
+
+#endif /* end of include guard: INPUT_LAG_H_DF16F381 */
-- 
cgit 1.4.1