Implemented crafting cost formulas (#215)

Defs/ThingDefs_Buildings/Buildings_Turrets.xml

@@ -88,9 +88,8 @@
       <texPath>Things/Building/Turrets/MachineGunBase</texPath>
     </graphicData>
     <statBases>
-	  <WorkToMake>100000</WorkToMake>
+      <WorkToMake>48000</WorkToMake>
       <MaxHitPoints>140</MaxHitPoints>
-      <MarketValue>3335</MarketValue>
       <Mass>20</Mass>
       <Bulk>25</Bulk>
     </statBases>
@@ -103,9 +102,9 @@
     </comps>
     <description>Automatic turret equipped with a charge blaster.</description>
     <costList>
-      <Steel>100</Steel>
-      <Plasteel>100</Plasteel>
-      <Component>20</Component>
+      <Steel>65</Steel>
+      <Plasteel>30</Plasteel>
+      <Component>12</Component>
     </costList>
     <building>
       <turretGunDef>Gun_BlasterTurret</turretGunDef>
@@ -137,9 +136,8 @@
     <techLevel>Spacer</techLevel>
     <description>Plated automatic turret with large caliber machine gun. Very resistant to damage.</description>
     <costList>
-      <Steel>250</Steel>
-      <Plasteel>50</Plasteel>
-      <Component>10</Component>
+      <Steel>275</Steel>
+      <Component>8</Component>
     </costList>
     <building>
       <turretGunDef>Gun_HeavyTurret</turretGunDef>
@@ -168,13 +166,13 @@
     </graphicData>
     <statBases>
       <Flammability>1.0</Flammability>
-      <WorkToMake>25000</WorkToMake>
+      <WorkToMake>31500</WorkToMake>
       <Mass>16.5</Mass>
       <Bulk>20</Bulk>
     </statBases>
     <description>M240B medium machine gun mounted on a tripod.</description>
     <costList>
-      <Steel>200</Steel>
+      <Steel>125</Steel>
       <Component>4</Component>
     </costList>
     <building>
@@ -194,14 +192,14 @@
     </graphicData>
     <statBases>
       <MaxHitPoints>150</MaxHitPoints>
-      <WorkToMake>30000</WorkToMake>
+      <WorkToMake>50500</WorkToMake>
       <Mass>88</Mass>
       <Bulk>100</Bulk>
     </statBases>
     <description>KPV heavy machine gun mounted on a tripod.</description>
     <costList>
-      <Steel>400</Steel>
-      <Component>6</Component>
+      <Steel>275</Steel>
+      <Component>4</Component>
     </costList>
     <building>
       <turretGunDef>Gun_KPV</turretGunDef>
@@ -222,14 +220,14 @@
       <texPath>Things/Building/Turrets/AGS30Base</texPath>
     </graphicData>
     <statBases>
-      <WorkToMake>25000</WorkToMake>
+      <WorkToMake>33500</WorkToMake>
       <Mass>16</Mass>
       <Bulk>20</Bulk>
     </statBases>
     <description>Lightweight automatic grenade launcher.</description>
     <costList>
-      <Steel>400</Steel>
-      <Component>6</Component>
+      <Steel>115</Steel>
+      <Component>5</Component>
     </costList>
     <specialDisplayRadius>8</specialDisplayRadius>
     <building>
@@ -251,15 +249,15 @@
       <texPath>Things/Building/Turrets/FlakTurret_Base</texPath>
     </graphicData>
     <statBases>
-      <MaxHitPoints>250</MaxHitPoints>
-      <WorkToMake>50000</WorkToMake>
+      <MaxHitPoints>500</MaxHitPoints>
+      <WorkToMake>79500</WorkToMake>
       <Mass>1000</Mass>
       <Bulk>1000</Bulk>
     </statBases>
     <description>Old school anti-aircraft cannon. Ineffective against modern aviation but still popular on rimworlds for use against entrenched enemies and vehicles.</description>
     <costList>
-      <Steel>700</Steel>
-      <Component>6</Component>
+      <Steel>495</Steel>
+      <Component>5</Component>
     </costList>
     <specialDisplayRadius>16</specialDisplayRadius>
     <building>