From 9d5c6c55fe1148c6dc5418a824d2bc84e83d2a76 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Thu, 1 Jan 2015 13:23:34 -0500
Subject: [PATCH] OnScreenDisplay: Allow for different colored messages

---
 Source/Core/VideoCommon/OnScreenDisplay.cpp | 29 +++++++++------------
 Source/Core/VideoCommon/OnScreenDisplay.h   |  4 +--
 2 files changed, 15 insertions(+), 18 deletions(-)

diff --git a/Source/Core/VideoCommon/OnScreenDisplay.cpp b/Source/Core/VideoCommon/OnScreenDisplay.cpp
index b25f461336..92b94194d6 100644
--- a/Source/Core/VideoCommon/OnScreenDisplay.cpp
+++ b/Source/Core/VideoCommon/OnScreenDisplay.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <list>
 #include <map>
 #include <string>
@@ -21,18 +22,21 @@ namespace OSD
 struct Message
 {
 	Message() {}
-	Message(const std::string& s, u32 ts) : str(s), timestamp(ts) {}
+	Message(const std::string& s, u32 ts, u32 rgba) : m_str(s), m_timestamp(ts), m_rgba(rgba)
+	{
+	}
 
-	std::string str;
-	u32 timestamp;
+	std::string m_str;
+	u32 m_timestamp;
+	u32 m_rgba;
 };
 
 static std::multimap<CallbackType, Callback> s_callbacks;
 static std::list<Message> s_msgList;
 
-void AddMessage(const std::string& str, u32 ms)
+void AddMessage(const std::string& str, u32 ms, u32 rgba)
 {
-	s_msgList.push_back(Message(str, Common::Timer::GetTimeMs() + ms));
+	s_msgList.emplace_back(str, Common::Timer::GetTimeMs() + ms, rgba);
 }
 
 void DrawMessages()
@@ -44,19 +48,12 @@ void DrawMessages()
 	auto it = s_msgList.begin();
 	while (it != s_msgList.end())
 	{
-		int time_left = (int)(it->timestamp - Common::Timer::GetTimeMs());
-		u32 alpha = 255;
+		int time_left = (int)(it->m_timestamp - Common::Timer::GetTimeMs());
+		float alpha = std::max(1.0f, std::min(0.0f, time_left / 1024.0f));
+		u32 color = (it->m_rgba & 0xFFFFFF) | ((u32)((it->m_rgba >> 24) * alpha) << 24);
 
-		if (time_left < 1024)
-		{
-			alpha = time_left >> 2;
-			if (time_left < 0)
-				alpha = 0;
-		}
+		g_renderer->RenderText(it->m_str, left, top, color);
 
-		alpha <<= 24;
-
-		g_renderer->RenderText(it->str, left, top, 0xffff30 | alpha);
 		top += 15;
 
 		if (time_left <= 0)
diff --git a/Source/Core/VideoCommon/OnScreenDisplay.h b/Source/Core/VideoCommon/OnScreenDisplay.h
index eb7302c57f..90b13968d4 100644
--- a/Source/Core/VideoCommon/OnScreenDisplay.h
+++ b/Source/Core/VideoCommon/OnScreenDisplay.h
@@ -11,8 +11,8 @@
 
 namespace OSD
 {
-// On-screen message display
-void AddMessage(const std::string& str, u32 ms = 2000);
+// On-screen message display (colored yellow by default)
+void AddMessage(const std::string& str, u32 ms = 2000, u32 rgba = 0xFFFFFF30);
 void DrawMessages(); // draw the current messages on the screen. Only call once per frame.
 void ClearMessages();