From eccb6df404b9ae052b9d13750f54dc69241668b4 Mon Sep 17 00:00:00 2001
From: Stephen Enders <smenders@gmail.com>
Date: Wed, 20 Jan 2021 21:05:44 -0500
Subject: Create timer and use it to end the rolling phase

This timer can be used to determine when to end rolling
---
 CMakeLists.txt |  2 +-
 timedLatch.cpp | 37 +++++++++++++++++++++++++++++++++++++
 timedLatch.hpp | 22 ++++++++++++++++++++++
 ur.cpp         | 22 +++++++++++++++-------
 4 files changed, 75 insertions(+), 8 deletions(-)
 create mode 100644 timedLatch.cpp
 create mode 100644 timedLatch.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7a56e2..814eacb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(EXECUTABLE_NAME ur)
 set(SFML_LIBRARIES sfml-system sfml-window sfml-graphics)
 find_package(SFML 2.5 REQUIRED COMPONENTS system window graphics)
 
-add_executable(${EXECUTABLE_NAME} ur.cpp helper.hpp helper.cpp)
+add_executable(${EXECUTABLE_NAME} ur.cpp helper.cpp timedLatch.cpp)
 target_link_libraries(${EXECUTABLE_NAME} ${SFML_LIBRARIES})
 
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/res DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/timedLatch.cpp b/timedLatch.cpp
new file mode 100644
index 0000000..0629ac8
--- /dev/null
+++ b/timedLatch.cpp
@@ -0,0 +1,37 @@
+#include "timedLatch.hpp"
+
+namespace ur {
+
+TimedLatch::TimedLatch(sf::Time duration)
+{
+  this->duration = duration;
+  this->clock = sf::Clock();
+};
+
+void
+TimedLatch::start()
+{
+  this->clock.restart();
+  this->isStarted = true;
+};
+
+bool
+TimedLatch::is_running()
+{
+  return this->isStarted && this->clock.getElapsedTime() < duration;
+};
+
+bool
+TimedLatch::is_completed()
+{
+
+  return this->isStarted && this->clock.getElapsedTime() >= duration;
+};
+
+void
+TimedLatch::reset()
+{
+  this->isStarted = false;
+};
+
+}
diff --git a/timedLatch.hpp b/timedLatch.hpp
new file mode 100644
index 0000000..77c7d49
--- /dev/null
+++ b/timedLatch.hpp
@@ -0,0 +1,22 @@
+#ifndef UR_TIMEDLATCH_H
+#define UR_TIMEDLATCH_H
+#include <SFML/System.hpp>
+
+namespace ur {
+class TimedLatch
+{
+public:
+  TimedLatch(sf::Time duration);
+  void start();
+  void reset();
+  bool is_running();
+  bool is_completed();
+
+private:
+  bool isStarted;
+  sf::Time duration;
+  sf::Clock clock; // internal sfml clock to manage time
+};
+}
+
+#endif
diff --git a/ur.cpp b/ur.cpp
index eb68ad7..faec4d5 100644
--- a/ur.cpp
+++ b/ur.cpp
@@ -1,5 +1,7 @@
 #include "helper.hpp"
+#include "timedLatch.hpp"
 #include <SFML/Graphics.hpp>
+#include <SFML/System.hpp>
 #include <iostream>
 #include <string>
 
@@ -8,7 +10,7 @@ const float PAD = 32.f;
 const float PIECE_PAD = 8.f;
 const float TEXT_OFFSET = 8.f;
 const sf::Color BG_COLOR = sf::Color(66, 47, 81, 255);
-const sf::Color SEMI_TRANSPARENT = sf::Color(0xff, 0x0, 0xff, 255);
+const sf::Color SEMI_TRANSPARENT = sf::Color(255, 255, 255, 128);
 
 GameState state = GameState::WAITING;
 GameState prev_state = GameState::WAITING;
@@ -170,6 +172,8 @@ main()
   view.setSize(view.getSize() * ZOOM);
   view.setCenter(view.getSize() / 2.f);
 
+  ur::TimedLatch rolling_animation_timer(sf::seconds(3));
+
   while (window.isOpen()) {
 
     sf::Event event;
@@ -191,6 +195,7 @@ main()
             if (state == GameState::WAITING) {
               std::cout << "Roll!" << std::endl;
               // setup for rolling
+              rolling_animation_timer.start();
               change_state(GameState::ROLLING);
               for (auto& rs : (*roll_sprites)) {
                 rs.setColor(SEMI_TRANSPARENT);
@@ -205,12 +210,6 @@ main()
               (*dice)[6].show = false;
               (*dice)[7].show = true;
               break;
-            } else if (state == GameState::ROLLING) {
-              std::cout << "Change turn" << std::endl;
-              for (auto& rs : (*roll_sprites)) {
-                rs.setColor(sf::Color::White);
-              }
-              next_turn();
             }
           }
         }
@@ -249,6 +248,15 @@ main()
     window.draw(p2Score);
     window.setView(window.getDefaultView());
     window.display();
+
+    // test timer logic - change turn after timer completes
+    if (rolling_animation_timer.is_completed()) {
+      rolling_animation_timer.reset();
+      for (auto& rs : (*roll_sprites)) {
+        rs.setColor(sf::Color::White);
+      }
+      next_turn();
+    }
   }
 
   return EXIT_SUCCESS;
-- 
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