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https://github.com/J-D-K/JKSV.git
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94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
#include "ui/PopMessageManager.hpp"
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#include "colors.hpp"
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#include "config.hpp"
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#include "logger.hpp"
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#include "sdl.hpp"
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#include "ui/render_functions.hpp"
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#include <cstdarg>
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namespace
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{
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// Size of the buffer for va strings.
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constexpr int VA_BUFFER_SIZE = 0x200;
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} // namespace
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void ui::PopMessageManager::update()
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{
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static constexpr double COORD_INIT_Y = 594.0f;
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// Grab instance.
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PopMessageManager &manager = PopMessageManager::get_instance();
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auto &messageQueue = manager.m_messageQueue;
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auto &messages = manager.m_messages;
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std::mutex &messageMutex = manager.m_messageMutex;
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std::mutex &queueMutex = manager.m_queueMutex;
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{
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std::lock_guard<std::mutex> queueGuard{queueMutex};
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if (!messageQueue.empty())
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{
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// Loop through the queue and process it so we don't wind up with black characters.
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for (auto &[displayTicks, currentMessage] : messageQueue)
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{
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const size_t messageWidth = sdl::text::get_width(32, currentMessage.c_str()) + 32;
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const ui::PopMessage newMessage = {.y = 720,
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.targetY = 720,
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.width = messageWidth,
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.message = std::move(currentMessage),
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.timer = sys::Timer{static_cast<uint64_t>(displayTicks)}};
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messages.push_back(std::move(newMessage));
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}
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messageQueue.clear();
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}
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}
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// Update all the messages.
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// This is the first Y position a message should be displayed at.;
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double currentY = COORD_INIT_Y;
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const double animationScaling = config::get_animation_scaling();
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std::lock_guard<std::mutex> messageGuard{messageMutex};
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for (auto message = messages.begin(); message != messages.end();)
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{
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if (message->timer.is_triggered())
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{
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message = messages.erase(message);
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continue;
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}
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if (message->targetY != currentY) { message->targetY = currentY; }
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else if (message->y != message->targetY) { message->y += (message->targetY - message->y) / animationScaling; }
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currentY -= 56;
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++message;
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}
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}
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void ui::PopMessageManager::render()
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{
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PopMessageManager &manager = PopMessageManager::get_instance();
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auto &messages = manager.m_messages;
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std::mutex &messageMutex = manager.m_messageMutex;
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std::lock_guard<std::mutex> messageGuard{messageMutex};
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for (const auto &message : messages)
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{
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ui::render_dialog_box(nullptr, 20, message.y - 6, message.width, 52);
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sdl::text::render(nullptr, 36, message.y, 32, sdl::text::NO_TEXT_WRAP, colors::WHITE, message.message.c_str());
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}
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}
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void ui::PopMessageManager::push_message(int displayTicks, std::string_view message)
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{
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PopMessageManager &manager = PopMessageManager::get_instance();
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std::mutex &queueMutex = manager.m_queueMutex;
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auto &messageQueue = manager.m_messageQueue;
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std::lock_guard<std::mutex> queueGuard(queueMutex);
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auto queuePair = std::make_pair(displayTicks, std::string{message});
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messageQueue.push_back(std::move(queuePair));
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}
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