diff --git a/Empire.js b/Empire.js
index b593bd2..fcc5e78 100644
--- a/Empire.js
+++ b/Empire.js
@@ -96,6 +96,20 @@ module.exports = {
             Game.rooms[name].memory.minablepositions = minablepositions
         }
     },
+    computeMineralAccess: function(){
+        for(let myroom of _.filter(Game.rooms, 'controller.my')) {
+            let name = myroom.name
+            let mineralminablepositions = 0
+            let minerals = Game.rooms[name].find(FIND_MINERALS);
+            for(let i = 0;i<minerals.length;i++)
+                {
+                    mineralminablepositions = mineralminablepositions + this.computeSourceAccessPoints(Game.rooms[name],minerals[i])
+                    //minablepositions = minablepositions + this.checkminablepositions(srcs[i])
+                }
+            //todo - create array of minable positions in the room and assign a screep to them, rather than having them constantly try to find the nearest one.
+            Game.rooms[name].memory.mineralminablepositions = mineralminablepositions
+        }
+    },
     computeSourceAccessPoints: function(room, source){
         const roomTerrain = room.getTerrain();
         var accessPoints = 0;
diff --git a/Room.Phase1.js b/Room.Phase1.js
index 55cc258..55ef954 100644
--- a/Room.Phase1.js
+++ b/Room.Phase1.js
@@ -43,8 +43,8 @@ let Phase1 = {
                     console.log("Spawning Mover in " + room)
                     require('proc.spawning').spawnmover(room)
                 }
-                if((Game.rooms[room].find(FIND_MY_STRUCTURES, {filter: {structureType: STRUCTURE_EXTRACTOR}}).length > 0)&&(creepcounts["miner"] < 1 || creepcounts["miner"]==undefined)&&(Game.rooms[room].energyAvailable >= Game.rooms[room].energyCapacityAvailable)){
-                    if(Game.rooms[room].find(FIND_MINERALS)[0].ticksToRegeneration < 1000){
+                if((Game.rooms[room].find(FIND_MY_STRUCTURES, {filter: {structureType: STRUCTURE_EXTRACTOR}}).length > 0)&&(creepcounts["miner"] < Game.rooms[room].memory.mineralminablepositions || creepcounts["miner"]==undefined)&&(Game.rooms[room].energyAvailable >= Game.rooms[room].energyCapacityAvailable)){
+                    if(Game.rooms[room].find(FIND_MINERALS)[0].ticksToRegeneration == undefined || Game.rooms[room].find(FIND_MINERALS)[0].ticksToRegeneration < 1000 ){
                         console.log("Spawning Miner in "  + room)
                         require('proc.spawning').spawnminer(room)
                     } else { if(Game.flags.debug && Game.flags.debug.room == Game.rooms[room]){console.log("Not spawning miner in " + room + ", waiting for regen")}}
diff --git a/RoomInit.js b/RoomInit.js
index bcd5aa6..1a983a2 100644
--- a/RoomInit.js
+++ b/RoomInit.js
@@ -10,6 +10,15 @@ let initroom = {
         Game.rooms[name].memory.tickssofar=0
         Game.rooms[name].memory.maphits={}
         //Game.rooms[name].memory.minablepositions= this.checkminablepositions(name)
+        let mineralminablepositions = 0
+        let minerals = Game.rooms[name].find(FIND_MINERALS);
+        for(let i = 0;i<minerals.length;i++)
+        {
+            mineralminablepositions = mineralminablepositions + this.computeSourceAccessPoints(Game.rooms[name],minerals[i])
+            //minablepositions = minablepositions + this.checkminablepositions(srcs[i])
+        }
+        //todo - create array of minable positions in the room and assign a screep to them, rather than having them constantly try to find the nearest one.
+        Game.rooms[name].memory.mineralminablepositions = mineralminablepositions
         let minablepositions = 0
         let srcs = Game.rooms[name].find(FIND_SOURCES);
         for(let i = 0;i<srcs.length;i++)