Refactored Attract Mode into its own class.

Source/CMakeLists.txt

@@ -83,6 +83,7 @@ set(RETROFE_HEADERS
 	"${RETROFE_DIR}/Source/Database/Configuration.h"
 	"${RETROFE_DIR}/Source/Database/DB.h"
 	"${RETROFE_DIR}/Source/Database/MamelistMetadata.h"
+	"${RETROFE_DIR}/Source/Execute/AttractMode.h"
 	"${RETROFE_DIR}/Source/Execute/Launcher.h"
 	"${RETROFE_DIR}/Source/Graphics/Animate/Tween.h"
 	"${RETROFE_DIR}/Source/Graphics/Animate/TweenTypes.h"
@@ -124,6 +125,7 @@ set(RETROFE_SOURCES
 	"${RETROFE_DIR}/Source/Database/Configuration.cpp"
 	"${RETROFE_DIR}/Source/Database/DB.cpp"
 	"${RETROFE_DIR}/Source/Database/MamelistMetadata.cpp"
+	"${RETROFE_DIR}/Source/Execute/AttractMode.cpp"
 	"${RETROFE_DIR}/Source/Execute/Launcher.cpp"
 	"${RETROFE_DIR}/Source/Graphics/Animate/Tween.cpp"
 	"${RETROFE_DIR}/Source/Graphics/Font.cpp"

Source/Execute/AttractMode.cpp

@@ -0,0 +1,49 @@
+/* This file is subject to the terms and conditions defined in
+ * file 'LICENSE.txt', which is part of this source code package.
+ */
+#include "AttractMode.h"
+#include "../Graphics/Page.h"
+
+AttractMode::AttractMode()
+: IsActive(false)
+, ElapsedTime(0)
+, ActiveTime(0)
+, IdleTime(0)
+{
+}
+
+void AttractMode::SetIdleTime(float time)
+{
+    IdleTime = time;
+}
+void AttractMode::Reset()
+{
+    ElapsedTime = 0;
+    IsActive = false;
+    ActiveTime = 0;
+}
+
+void AttractMode::Update(float dt, Page &page)
+{
+    ElapsedTime += dt;
+
+    // enable attract mode when idling for the expected time. Disable if idle time is set to 0.
+    if(!IsActive && ElapsedTime > IdleTime && IdleTime > 0)
+    {
+        IsActive = true;
+        ElapsedTime = 0;
+        ActiveTime = ((float)((1000+rand()) % 5000)) / 1000;
+    }
+
+    if(IsActive)
+    {
+        page.SetScrolling(Page::ScrollDirectionForward);
+
+        if(ElapsedTime > ActiveTime)
+        {
+            ElapsedTime = 0;
+            IsActive = false;
+            page.SetScrolling(Page::ScrollDirectionIdle);
+        }
+    }
+}

Source/Execute/AttractMode.h

@@ -0,0 +1,22 @@
+/* This file is subject to the terms and conditions defined in
+ * file 'LICENSE.txt', which is part of this source code package.
+ */
+#pragma once
+
+class Page;
+
+class AttractMode
+{
+public:
+    AttractMode();
+    void SetIdleTime(float time);
+    void Reset();
+    void Update(float dt, Page &page);
+
+private:
+    bool IsActive;
+    float ElapsedTime;
+    float ActiveTime;
+    float IdleTime;
+    
+};

Source/RetroFE.cpp

@@ -27,8 +27,6 @@ RetroFE::RetroFE(CollectionDatabase &db, Configuration &c)
     , CollectionDB(db)
     , Input(Config)
     , KeyInputDisable(0)
-    , InactiveKeyTime(0)
-    , AttractMode(false)
     , CurrentTime(0)
     , VideoInst(NULL)
 {
@@ -159,7 +157,6 @@ void RetroFE::Run()
     bool running = true;
     Item *nextPageItem = NULL;
     bool adminMode = false;
-    float attractModeRandomTime = 0;
     bool selectActive = false;
     float frameCount = 0;
     float fpsStartTime = 0;
@@ -168,6 +165,7 @@ void RetroFE::Run()
     Config.GetProperty("attractModeTime", attractModeTime);
     Config.GetProperty("firstCollection", firstCollection);
 
+    Attract.SetIdleTime(static_cast<float>(attractModeTime));
     LoadPage(firstCollection);
 
     while (running)
@@ -287,26 +285,7 @@ void RetroFE::Run()
                 frameCount = 0;
             }
 
-            InactiveKeyTime += deltaTime;
-
-            if(!AttractMode && InactiveKeyTime > attractModeTime && attractModeTime > 0)
-            {
-                AttractMode = true;
-                InactiveKeyTime = 0;
-                attractModeRandomTime = ((float)((1000+rand()) % 5000)) / 1000;
-            }
-
-            if(AttractMode)
-            {
-                page->SetScrolling(Page::ScrollDirectionForward);
-
-                if(InactiveKeyTime > attractModeRandomTime)
-                {
-                    InactiveKeyTime = 0;
-                    AttractMode = false;
-                    page->SetScrolling(Page::ScrollDirectionIdle);
-                }
-            }
+            Attract.Update(deltaTime, *page);
 
             page->Update(deltaTime);
             Render();
@@ -353,8 +332,7 @@ RetroFE::RETROFE_STATE RetroFE::ProcessUserInput(Page *page)
     {
         const Uint8 *keys = SDL_GetKeyboardState(NULL);
 
-        InactiveKeyTime = 0;
-        AttractMode = false;
+        Attract.Reset();
 
         if (keys[Input.GetScancode(UserInput::KeyCodePreviousItem)])
         {

Source/RetroFE.h

@@ -5,6 +5,7 @@
 
 #include "Collection/Item.h"
 #include "Control/UserInput.h"
+#include "Execute/AttractMode.h"
 #include "Graphics/FontCache.h"
 #include "Video/IVideo.h"
 #include <SDL2/SDL.h>
@@ -54,11 +55,10 @@ private:
     UserInput Input;
     std::list<Page *> PageChain;
     float KeyInputDisable;
-    float InactiveKeyTime;
-    bool AttractMode;
     float CurrentTime;
     Item *NextPageItem;
     FontCache FC;
     IVideo *VideoInst;
+    AttractMode Attract;
 
 };