120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
#include "core/rendering/overlay.hpp"
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#include <algorithm>
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#include <memory>
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#include <string>
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#include <vector>
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#include "core/rendering/text.hpp"
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namespace Overlay {
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static std::unique_ptr<Text> font_;
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// --- Notificacions amb animació ---
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enum class Status { RISING, STAY, VANISHING, FINISHED };
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struct Notification {
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std::string message;
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Status status{Status::RISING};
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float y_offset{0.0F}; // 0 = fora de pantalla, 1 = posició final
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float timer{0.0F};
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float duration{2.0F};
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};
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static std::vector<Notification> notifications_;
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static Uint32 last_ticks_ = 0;
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static constexpr float SLIDE_SPEED = 4.0F; // velocitat d'animació (unitats/segon)
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static constexpr int BAR_HEIGHT = 12; // alçada de la barra
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static constexpr int TEXT_Y_OFFSET = 2; // offset del text dins la barra
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static constexpr Uint32 BG_COLOR = 0xFF1A1A2E; // fons blau fosc
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static constexpr Uint32 TEXT_COLOR = 0xFF00FFFF; // cyan
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static constexpr int SCREEN_W = 320;
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static constexpr int SCREEN_H = 200;
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void init() {
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font_ = std::make_unique<Text>("fonts/8bithud.fnt", "fonts/8bithud.gif");
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last_ticks_ = SDL_GetTicks();
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}
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void destroy() {
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font_.reset();
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notifications_.clear();
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}
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static void drawBar(Uint32* pixel_data, int y, int h, Uint32 color) {
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for (int row = y; row < y + h; row++) {
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if (row < 0 || row >= SCREEN_H) continue;
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for (int col = 0; col < SCREEN_W; col++) {
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pixel_data[col + row * SCREEN_W] = color;
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}
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}
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}
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void render(Uint32* pixel_data) {
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if (!font_ || !pixel_data) return;
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// Calcula delta time
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Uint32 now = SDL_GetTicks();
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float dt = static_cast<float>(now - last_ticks_) / 1000.0F;
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last_ticks_ = now;
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// Actualitza i pinta cada notificació
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for (auto& notif : notifications_) {
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switch (notif.status) {
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case Status::RISING:
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notif.y_offset += SLIDE_SPEED * dt;
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if (notif.y_offset >= 1.0F) {
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notif.y_offset = 1.0F;
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notif.status = Status::STAY;
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notif.timer = 0.0F;
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}
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break;
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case Status::STAY:
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notif.timer += dt;
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if (notif.timer >= notif.duration) {
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notif.status = Status::VANISHING;
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}
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break;
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case Status::VANISHING:
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notif.y_offset -= SLIDE_SPEED * dt;
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if (notif.y_offset <= 0.0F) {
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notif.status = Status::FINISHED;
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}
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break;
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case Status::FINISHED:
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break;
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}
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if (notif.status == Status::FINISHED) continue;
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// Posició: puja des de sota la pantalla
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int bar_y = SCREEN_H - static_cast<int>(notif.y_offset * BAR_HEIGHT);
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// Pinta fons
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drawBar(pixel_data, bar_y, BAR_HEIGHT, BG_COLOR);
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// Pinta text centrat
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font_->drawCentered(pixel_data, bar_y + TEXT_Y_OFFSET, notif.message.c_str(), TEXT_COLOR);
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}
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// Elimina les acabades
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notifications_.erase(
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std::remove_if(notifications_.begin(), notifications_.end(),
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[](const Notification& n) { return n.status == Status::FINISHED; }),
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notifications_.end());
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}
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void showNotification(const char* text, float duration_seconds) {
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// Si ja hi ha una notificació, la reemplaça (no apilem)
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notifications_.clear();
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notifications_.push_back({text, Status::RISING, 0.0F, 0.0F, duration_seconds});
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}
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} // namespace Overlay
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