dolphin/Source/Core/VideoCommon/OnScreenDisplay.cpp

95 lines
1.8 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <list>
#include <map>
#include <string>
#include "Common/Common.h"
#include "Common/Timer.h"
#include "Core/ConfigManager.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/RenderBase.h"
namespace OSD
{
struct Message
{
Message() {}
Message(const std::string& s, u32 ts) : str(s), timestamp(ts) {}
std::string str;
u32 timestamp;
};
static std::multimap<CallbackType, Callback> s_callbacks;
static std::list<Message> s_msgList;
void AddMessage(const std::string& str, u32 ms)
{
s_msgList.push_back(Message(str, Common::Timer::GetTimeMs() + ms));
}
void DrawMessages()
{
if(!SConfig::GetInstance().m_LocalCoreStartupParameter.bOnScreenDisplayMessages)
return;
int left = 25, top = 15;
auto it = s_msgList.begin();
while (it != s_msgList.end())
{
int time_left = (int)(it->timestamp - Common::Timer::GetTimeMs());
u32 alpha = 255;
if (time_left < 1024)
{
alpha = time_left >> 2;
if (time_left < 0)
alpha = 0;
}
alpha <<= 24;
g_renderer->RenderText(it->str.c_str(), left + 1, top + 1, 0x000000 | alpha);
g_renderer->RenderText(it->str.c_str(), left, top, 0xffff30 | alpha);
top += 15;
if (time_left <= 0)
it = s_msgList.erase(it);
else
++it;
}
}
void ClearMessages()
{
s_msgList.clear();
}
// On-Screen Display Callbacks
void AddCallback(CallbackType type, Callback cb)
{
s_callbacks.insert(std::pair<CallbackType, Callback>(type, cb));
}
void DoCallbacks(CallbackType type)
{
auto it_bounds = s_callbacks.equal_range(type);
for (auto it = it_bounds.first; it != it_bounds.second; ++it)
{
it->second();
}
// Wipe all callbacks on shutdown
if (type == OSD_SHUTDOWN)
s_callbacks.clear();
}
} // namespace