1 files changed, 69 insertions, 0 deletions
diff --git a/src/timeman.rs b/src/timeman.rs
new file mode 100644
index 0000000..9d17999
--- /dev/null
+++ b/src/timeman.rs
@@ -0,0 +1,69 @@
+use std::cell::RefCell;
+use std::time::Duration;
+use std::{fmt::Display, string};
+use std::error::Error;
+
+use crate::GameState;
+use crate::window::ui::GameWindowUiState;
+
+pub type Second = u64;
+
+pub struct TimeMan
+{
+    time: Second,
+    auto_tick: Option<Second>
+}
+
+impl TimeMan
+{
+    pub fn new(time: Second)
+    -> Self {
+        Self {
+            time,
+            auto_tick: None
+        }
+    }
+
+    pub fn seconds(&self)
+    -> Second {
+        self.time
+    }
+
+    pub fn advance(
+        &mut self,
+        by: Second)
+    {
+        self.time += by;
+    }
+
+    pub fn update(
+        &mut self)
+    {
+        match self.auto_tick {
+            Some(advance) => { self.time += advance; },
+            None => {}
+        }
+    }
+
+    pub fn format_duration(time: Second) -> String
+    {
+        let seconds = time % 60;
+        let minutes = (time / 60) % 60;
+        let hours = (time / (60 * 60)) % 24;
+        let days = (time / (60 * 60 * 24)) % 365;
+        let years = time / (60 * 60 * 24 * 365);
+        
+        if time == 0 {
+            return "0s".to_string();
+        }
+
+        format!("{}{}{}{}{}",
+            if seconds > 0 { format!("{}s", seconds) } else { format!("") },
+            if minutes > 0 { format!("{}m", minutes) } else { format!("") },
+            if hours > 0 { format!("{}h", hours) } else { format!("") },
+            if days > 0 { format!("{}d", days) } else { format!("") },
+            if years > 0 { format!("{}y", years) } else { format!("") })
+    }
+
+
+} //impl TimeMan