archivemuh

archive/dusk/time.c

@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "time.h"
+#include "util/memory.h"
+#include "assert/assert.h"
+
+dusktime_t TIME;
+
+void timeInit(void) {
+  memoryZero(&TIME, sizeof(TIME));
+
+  // Set these to something non-zero.
+  TIME.lastTick = DUSK_TIME_STEP;
+  TIME.delta = TIME.realDelta = DUSK_TIME_STEP;
+  TIME.realTime = TIME.time = DUSK_TIME_STEP * 2;
+}
+
+void timeUpdate(void) {
+  TIME.realDelta = timeDeltaGet();
+
+  #if DUSK_TIME_DYNAMIC
+    TIME.delta = TIME.realDelta;
+  #else
+    TIME.delta = DUSK_TIME_PLATFORM_STEP;
+  #endif
+  
+  assertTrue(TIME.delta >= 0.0f, "Time delta is negative");
+  assertTrue(TIME.realDelta >= 0.0f, "Real time delta is negative");
+
+  TIME.time += TIME.delta;
+  TIME.realTime += TIME.realDelta;
+}