forked from dolphin-emu/dolphin
99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
// Copyright 2009 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <list>
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#include <map>
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#include <string>
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#include "Common/CommonTypes.h"
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#include "Common/Timer.h"
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#include "Core/ConfigManager.h"
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#include "VideoCommon/OnScreenDisplay.h"
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#include "VideoCommon/RenderBase.h"
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namespace OSD
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{
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static std::multimap<CallbackType, Callback> s_callbacks;
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static std::multimap<MessageType, Message> s_messages;
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static std::mutex s_messages_mutex;
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void AddTypedMessage(MessageType type, const std::string& message, u32 ms, u32 rgba)
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{
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std::lock_guard<std::mutex> lock(s_messages_mutex);
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s_messages.erase(type);
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s_messages.emplace(type, Message(message, Common::Timer::GetTimeMs() + ms, rgba));
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}
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void AddMessage(const std::string& message, u32 ms, u32 rgba)
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{
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std::lock_guard<std::mutex> lock(s_messages_mutex);
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s_messages.emplace(MessageType::Typeless,
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Message(message, Common::Timer::GetTimeMs() + ms, rgba));
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}
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void DrawMessage(const Message& msg, int top, int left, int time_left)
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{
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float alpha = std::min(1.0f, std::max(0.0f, time_left / 1024.0f));
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u32 color = (msg.m_rgba & 0xFFFFFF) | ((u32)((msg.m_rgba >> 24) * alpha) << 24);
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g_renderer->RenderText(msg.m_str, left, top, color);
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}
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void DrawMessages()
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{
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if (!SConfig::GetInstance().bOnScreenDisplayMessages)
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return;
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{
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std::lock_guard<std::mutex> lock(s_messages_mutex);
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u32 now = Common::Timer::GetTimeMs();
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int left = 20, top = 35;
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auto it = s_messages.begin();
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while (it != s_messages.end())
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{
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const Message& msg = it->second;
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int time_left = (int)(msg.m_timestamp - now);
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DrawMessage(msg, top, left, time_left);
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if (time_left <= 0)
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it = s_messages.erase(it);
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else
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++it;
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top += 15;
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}
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}
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}
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void ClearMessages()
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{
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std::lock_guard<std::mutex> lock(s_messages_mutex);
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s_messages.clear();
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}
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// On-Screen Display Callbacks
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void AddCallback(CallbackType type, Callback cb)
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{
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s_callbacks.emplace(type, cb);
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}
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void DoCallbacks(CallbackType type)
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{
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auto it_bounds = s_callbacks.equal_range(type);
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for (auto it = it_bounds.first; it != it_bounds.second; ++it)
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{
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it->second();
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}
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// Wipe all callbacks on shutdown
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if (type == CallbackType::Shutdown)
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s_callbacks.clear();
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}
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} // namespace
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