JKSV/source/ui/PopMessageManager.cpp
2025-07-28 18:28:11 -04:00

94 lines
3.3 KiB
C++

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