dolphin/Source/Core/VideoCommon/OnScreenDisplay.cpp

99 lines
2.3 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
{
static std::multimap<CallbackType, Callback> s_callbacks;
static std::multimap<MessageType, Message> s_messages;
static std::mutex s_messages_mutex;
void AddTypedMessage(MessageType type, const std::string& message, u32 ms, u32 rgba)
{
std::lock_guard<std::mutex> lock(s_messages_mutex);
s_messages.erase(type);
s_messages.emplace(type, Message(message, Common::Timer::GetTimeMs() + ms, rgba));
}
void AddMessage(const std::string& message, u32 ms, u32 rgba)
{
std::lock_guard<std::mutex> lock(s_messages_mutex);
s_messages.emplace(MessageType::Typeless,
Message(message, Common::Timer::GetTimeMs() + ms, rgba));
}
void DrawMessage(const Message& msg, int top, int left, int time_left)
{
float alpha = std::min(1.0f, std::max(0.0f, time_left / 1024.0f));
u32 color = (msg.m_rgba & 0xFFFFFF) | ((u32)((msg.m_rgba >> 24) * alpha) << 24);
g_renderer->RenderText(msg.m_str, left, top, color);
}
void DrawMessages()
{
if (!SConfig::GetInstance().bOnScreenDisplayMessages)
return;
{
std::lock_guard<std::mutex> lock(s_messages_mutex);
u32 now = Common::Timer::GetTimeMs();
int left = 20, top = 35;
auto it = s_messages.begin();
while (it != s_messages.end())
{
const Message& msg = it->second;
int time_left = (int)(msg.m_timestamp - now);
DrawMessage(msg, top, left, time_left);
if (time_left <= 0)
it = s_messages.erase(it);
else
++it;
top += 15;
}
}
}
void ClearMessages()
{
std::lock_guard<std::mutex> lock(s_messages_mutex);
s_messages.clear();
}
// On-Screen Display Callbacks
void AddCallback(CallbackType type, Callback cb)
{
s_callbacks.emplace(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 == CallbackType::Shutdown)
s_callbacks.clear();
}
} // namespace