first commit

js/time.js

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+const pauseButton = document.getElementById('pause-button');
+const playButton = document.getElementById('play-button');
+const fastButton = document.getElementById('fast-button');
+const timeDisplay = document.getElementById('time-display');
+
+// --- Time System Variables ---
+const NORMAL_SPEED = 60; // 1 real sec = 1 game min
+const FAST_SPEED = 1000; // 1 real sec = 10 game min
+let timeScaleMultiplier = NORMAL_SPEED; // Start at normal speed
+let totalGameSecondsElapsed = 0;
+let currentDay = 80;
+let currentHour = 7.0; // Start at 8:00 AM
+let lastTimestamp = 0; // For delta time calculation
+let lastUpdateRowIndex = 0;
+
+function initTime(){
+    // Time Control Button Listeners
+    pauseButton.addEventListener('click', () => setTimeScale(0));
+    playButton.addEventListener('click', () => setTimeScale(NORMAL_SPEED));
+    fastButton.addEventListener('click', () => setTimeScale(FAST_SPEED));
+
+    // Initialize time
+    totalGameSecondsElapsed = (currentDay - 1) * 86400 + currentHour * 3600;
+    updateTimeDisplay(); // Initial display update
+    updateButtonStates(); // Set initial button active state
+}
+
+// --- Time System Functions ---
+function updateTime(deltaTime) {
+    if (timeScaleMultiplier <= 0) return; // Don't update if paused
+
+    totalGameSecondsElapsed += deltaTime * timeScaleMultiplier;
+
+    const SECONDS_IN_DAY = 86400;
+    const SECONDS_IN_HOUR = 3600;
+
+    let previousDay = currentDay;
+    currentDay = Math.floor(totalGameSecondsElapsed / SECONDS_IN_DAY) + 1;
+    currentHour = (totalGameSecondsElapsed % SECONDS_IN_DAY) / SECONDS_IN_HOUR;
+
+    if (currentDay !== previousDay) {
+        console.log(`Day ${currentDay} has begun!`);
+        // Add any daily logic here
+    }
+
+    updateTimeDisplay();
+}
+
+function formatTime(hour) {
+    const hours = Math.floor(hour);
+    const minutes = Math.floor((hour - hours) * 60);
+    return `${String(hours).padStart(2, '0')}:${String(minutes).padStart(2, '0')}`;
+}
+
+function updateTimeDisplay() {
+    timeDisplay.textContent = `Day ${currentDay}, ${formatTime(currentHour)}`;
+}
+
+function setTimeScale(newScale) {
+    timeScaleMultiplier = newScale;
+    console.log(`Time scale set to: ${timeScaleMultiplier}`);
+    updateButtonStates();
+}
+
+function updateButtonStates() {
+    pauseButton.classList.toggle('active', timeScaleMultiplier === 0);
+    playButton.classList.toggle('active', timeScaleMultiplier === NORMAL_SPEED);
+    fastButton.classList.toggle('active', timeScaleMultiplier === FAST_SPEED);
+}
+
+function animateUpdateTime(timestamp){
+    // Calculate Delta Time
+    if (lastTimestamp === 0) {
+        lastTimestamp = timestamp; // Initialize on first frame
+    }
+    const deltaTime = (timestamp - lastTimestamp) / 1000; // Delta time in seconds
+    lastTimestamp = timestamp;
+
+    // --- Update Time ---
+    updateTime(deltaTime);
+    return totalGameSecondsElapsed;
+}
+
+function getCurrentRowIndex(){
+    // --- Update buildings every 15 game minutes ---
+    const SECONDS_IN_DAY = 86400;
+    const SECONDS_IN_HOUR = 3600;
+    const MINUTES_PER_ROW = 15;
+    const SECONDS_PER_ROW = MINUTES_PER_ROW * 60;
+    // Calculate which row should be active based on totalGameSecondsElapsed
+    const rowIndex = Math.floor((totalGameSecondsElapsed % SECONDS_IN_DAY) / SECONDS_PER_ROW);
+    return rowIndex;
+}