Add zone saving and loading

timer.nut

@@ -20,6 +20,11 @@ MASK_ATTACK_TRACE <-
     return NetProps.GetPropString(ply, "m_szNetname");
 }
 
+::GetZoneFileName <- function()
+{
+    return "zones_" + GetMapName();
+}
+
 class Zone
 {
     // aabb
@@ -94,6 +99,38 @@ class Zone
         Log(format("min: [%f, %f, %f]", this.min.x, this.min.y, this.min.z));
         Log(format("max: [%f, %f, %f]", this.max.x, this.max.y, this.max.z));
     }
+
+    // Serialize zone into space separated floats.
+    function ToString()
+    {
+        return format(
+            "%f %f %f %f %f %f",
+            this.min.x, this.min.y, this.min.z,
+            this.max.x, this.max.y, this.max.z
+        );
+    }
+
+    // Deserialize zone from a string of 6 floats.
+    function FromString(str)
+    {
+        local parts = split(str, " ");
+        if (parts.len() != 6)
+        {
+            return null;
+        }
+
+        local min = Vector();
+        min.x = parts[0].tofloat();
+        min.y = parts[1].tofloat();
+        min.z = parts[2].tofloat();
+
+        local max = Vector();
+        max.x = parts[3].tofloat();
+        max.y = parts[4].tofloat();
+        max.z = parts[5].tofloat();
+
+        return Zone(min, max);
+    }
 }
 
 class ZoneBuilder
@@ -281,6 +318,63 @@ class Timer
         }
     }
 
+    function SaveZones()
+    {
+        if (this.zones.len() <= 0)
+        {
+            PrintToPlayer(null, "No zones to save");
+            return;
+        }
+
+        local zone_str = "";
+        for (local i = 0; i < this.zones.len(); i++)
+        {
+            zone_str += this.zones[i].ToString();
+            if (i < this.zones.len() - 1)
+            {
+                zone_str += "\n";
+            }
+        }
+
+        local file_name = GetZoneFileName();
+        StringToFile(file_name, zone_str);
+        PrintToPlayer(null, format("Saved %d zones to '%s'", this.zones.len(), file_name));
+    }
+    
+    function LoadZones()
+    {
+        local file_name = GetZoneFileName();
+        local zone_str = FileToString(file_name);
+        if (zone_str == null)
+        {
+            PrintToPlayer(null, format("Could not load zones from '%s'", file_name));
+            Log("No file");
+            return;
+        }
+
+        local lines = split(zone_str, "\n");
+        Log(format("Found %d lines in %s", lines.len(), file_name));
+
+        this.zones = [];
+
+        foreach (line in lines)
+        {
+            local zone = Zone.FromString(line);
+            if (zone == null)
+            {
+                PrintToPlayer(null, format("Could not load zones from '%s'", file_name));
+                Log(format("Malformed line: %s", line));
+                this.zones = [];
+                return;
+            }
+            this.zones.append(zone);
+        }
+
+        PrintToPlayer(null, format("Loaded %d zones from '%s'", this.zones.len(), file_name));
+
+        DrawZones();
+    }
+
     function Tick()
     {
         this.tick_count++;
@@ -454,6 +548,24 @@ class Timer
     }
 }
 
+// Save zones to a text file in scriptdata folder.
+::SaveZones <- function()
+{
+    if ("cool_timer" in getroottable())
+    {
+        ::cool_timer.SaveZones();
+    }
+}
+
+// Load zones from a text file in scriptdata folder.
+::LoadZones <- function()
+{
+    if ("cool_timer" in getroottable())
+    {
+        ::cool_timer.LoadZones();
+    }
+}
+
 // --------------------------------
 // Hooks
 // --------------------------------