1 files changed, 73 insertions, 0 deletions
diff --git a/src/engine/play_time.c b/src/engine/play_time.c
new file mode 100644
index 000000000..9882c9c4b
--- /dev/null
+++ b/src/engine/play_time.c
@@ -0,0 +1,73 @@
+#include "global.h"
+#include "play_time.h"
+
+enum
+{
+    STOPPED,
+    RUNNING,
+    MAXED_OUT
+};
+
+static u8 sPlayTimeCounterState;
+
+void PlayTimeCounter_Reset()
+{
+    sPlayTimeCounterState = STOPPED;
+
+    gSaveBlock2.playTimeHours = 0;
+    gSaveBlock2.playTimeMinutes = 0;
+    gSaveBlock2.playTimeSeconds = 0;
+    gSaveBlock2.playTimeVBlanks = 0;
+}
+
+void PlayTimeCounter_Start()
+{
+    sPlayTimeCounterState = RUNNING;
+
+    if (gSaveBlock2.playTimeHours > 999)
+        PlayTimeCounter_SetToMax();
+}
+
+void PlayTimeCounter_Stop()
+{
+    sPlayTimeCounterState = STOPPED;
+}
+
+void PlayTimeCounter_Update()
+{
+    if (sPlayTimeCounterState == RUNNING)
+    {
+        gSaveBlock2.playTimeVBlanks++;
+
+        if (gSaveBlock2.playTimeVBlanks > 59)
+        {
+            gSaveBlock2.playTimeVBlanks = 0;
+            gSaveBlock2.playTimeSeconds++;
+
+            if (gSaveBlock2.playTimeSeconds > 59)
+            {
+                gSaveBlock2.playTimeSeconds = 0;
+                gSaveBlock2.playTimeMinutes++;
+
+                if (gSaveBlock2.playTimeMinutes > 59)
+                {
+                    gSaveBlock2.playTimeMinutes = 0;
+                    gSaveBlock2.playTimeHours++;
+
+                    if (gSaveBlock2.playTimeHours > 999)
+                        PlayTimeCounter_SetToMax();
+                }
+            }
+        }
+    }
+}
+
+void PlayTimeCounter_SetToMax()
+{
+    sPlayTimeCounterState = MAXED_OUT;
+
+    gSaveBlock2.playTimeHours = 999;
+    gSaveBlock2.playTimeMinutes = 59;
+    gSaveBlock2.playTimeSeconds = 59;
+    gSaveBlock2.playTimeVBlanks = 59;
+}