forked from dolphin-emu/dolphin
91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
// Copyright 2013 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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struct Message
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{
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Message() {}
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Message(const std::string& s, u32 ts, u32 rgba) : m_str(s), m_timestamp(ts), m_rgba(rgba)
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{
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}
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std::string m_str;
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u32 m_timestamp;
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u32 m_rgba;
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};
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static std::multimap<CallbackType, Callback> s_callbacks;
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static std::list<Message> s_msgList;
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void AddMessage(const std::string& str, u32 ms, u32 rgba)
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{
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s_msgList.emplace_back(str, Common::Timer::GetTimeMs() + ms, rgba);
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}
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void DrawMessages()
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{
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if (!SConfig::GetInstance().m_LocalCoreStartupParameter.bOnScreenDisplayMessages)
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return;
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int left = 25, top = 15;
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auto it = s_msgList.begin();
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while (it != s_msgList.end())
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{
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int time_left = (int)(it->m_timestamp - Common::Timer::GetTimeMs());
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float alpha = std::max(1.0f, std::min(0.0f, time_left / 1024.0f));
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u32 color = (it->m_rgba & 0xFFFFFF) | ((u32)((it->m_rgba >> 24) * alpha) << 24);
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g_renderer->RenderText(it->m_str, left, top, color);
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top += 15;
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if (time_left <= 0)
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it = s_msgList.erase(it);
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else
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++it;
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}
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}
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void ClearMessages()
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{
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s_msgList.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.insert(std::pair<CallbackType, Callback>(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 == OSD_SHUTDOWN)
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s_callbacks.clear();
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}
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} // namespace
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