dolphin/Source/Core/VideoCommon/OnScreenDisplay.cpp

91 lines
1.8 KiB
C++

// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <list>
#include <map>
#include <string>
#include "Common/CommonTypes.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, u32 rgba) : m_str(s), m_timestamp(ts), m_rgba(rgba)
{
}
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, u32 rgba)
{
s_msgList.emplace_back(str, Common::Timer::GetTimeMs() + ms, rgba);
}
void DrawMessages()
{
if (!SConfig::GetInstance().bOnScreenDisplayMessages)
return;
int left = 25, top = 15;
auto it = s_msgList.begin();
while (it != s_msgList.end())
{
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);
g_renderer->RenderText(it->m_str, left, top, color);
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