From 7ef4d2f89eac79e6b75b9fccb02470fb3629a2a7 Mon Sep 17 00:00:00 2001
From: Aloshi <allofquist@yahoo.com>
Date: Fri, 18 Apr 2014 12:27:00 -0500
Subject: [PATCH] Display number of games available under SystemView.

---
 src/views/SystemView.cpp | 47 ++++++++++++++++++++++++++++++++++++++--
 src/views/SystemView.h   |  2 ++
 2 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/views/SystemView.cpp b/src/views/SystemView.cpp
index 5f8f7d2de..8070400e0 100644
--- a/src/views/SystemView.cpp
+++ b/src/views/SystemView.cpp
@@ -6,16 +6,24 @@
 #include "ViewController.h"
 #include "../animations/LambdaAnimation.h"
 #include "../SystemData.h"
+#include "../Util.h"
 
 #define SELECTED_SCALE 1.5f
 #define LOGO_PADDING ((logoSize().x() * (SELECTED_SCALE - 1)/2) + (mSize.x() * 0.06f))
 
-SystemView::SystemView(Window* window) : IList<SystemViewData, SystemData*>(window, LIST_SCROLL_STYLE_SLOW, LIST_ALWAYS_LOOP)
+SystemView::SystemView(Window* window) : IList<SystemViewData, SystemData*>(window, LIST_SCROLL_STYLE_SLOW, LIST_ALWAYS_LOOP),
+	mSystemInfo(window, "SYSTEM INFO", Font::get(FONT_SIZE_SMALL), 0x77777700, TextComponent::ALIGN_CENTER)
 {
 	mCamOffset = 0;
 
 	setSize((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 
+	mSystemInfo.setSize(mSize.x(), 0);
+
+	float yOff = (mSize.y() - logoSize().y())/2;
+	mSystemInfo.setPosition(0, (yOff - (logoSize().y() * (SELECTED_SCALE - 1)) / 2) + (logoSize().y() * SELECTED_SCALE) - mSystemInfo.getSize().y());
+		//(mSize.y() - mSystemInfo.getSize().y()) / 2);
+
 	populate();
 }
 
@@ -141,8 +149,41 @@ void SystemView::onCursorChanged(const CursorState& state)
 			f -= posMax;
 		this->mCamOffset = f;
 	}, 500);
+	setAnimation(anim, 0, nullptr, false, 0);
 
-	setAnimation(anim);
+	// animate mSystemInfo's opacity (fade out, wait, fade back in)
+
+	cancelAnimation(1);
+	cancelAnimation(2);
+
+	const float infoStartOpacity = mSystemInfo.getOpacity() / 255.f;
+
+	Animation* infoFadeOut = new LambdaAnimation(
+		[infoStartOpacity, this] (float t)
+	{
+		mSystemInfo.setOpacity((unsigned char)(lerp<float>(infoStartOpacity, 0.f, t) * 255));
+	}, (int)(infoStartOpacity * 300));
+
+	// also change the text after we've fully faded out
+	setAnimation(infoFadeOut, 0, [this] { 
+		std::stringstream ss;
+		unsigned int gameCount = getSelected()->getGameCount();
+
+		// only display a game count if there are at least 2 games
+		if(gameCount > 1)
+			ss << gameCount << " GAMES AVAILABLE";
+
+		mSystemInfo.setText(ss.str()); 
+	}, false, 1);
+
+	Animation* infoFadeIn = new LambdaAnimation(
+		[this] (float t)
+	{
+		mSystemInfo.setOpacity((unsigned char)(lerp<float>(0.f, 1.f, t) * 255));
+	}, 300);
+
+	// wait 600ms to fade in
+	setAnimation(infoFadeIn, 700, nullptr, false, 2);
 }
 
 void SystemView::render(const Eigen::Affine3f& parentTrans)
@@ -206,6 +247,8 @@ void SystemView::render(const Eigen::Affine3f& parentTrans)
 			comp->render(logoTrans);
 		}
 	}
+
+	mSystemInfo.render(trans);
 }
 
 std::vector<HelpPrompt> SystemView::getHelpPrompts()
diff --git a/src/views/SystemView.h b/src/views/SystemView.h
index 59c6f3230..bd42dd3e5 100644
--- a/src/views/SystemView.h
+++ b/src/views/SystemView.h
@@ -37,6 +37,8 @@ private:
 
 	void populate();
 
+	TextComponent mSystemInfo;
+
 	// unit is list index
 	float mCamOffset;
 };