diff -r f71275973737 -r 48a53259fad8 hedgewars/uTypes.pas
--- a/hedgewars/uTypes.pas	Mon Feb 02 23:12:56 2015 +0300
+++ b/hedgewars/uTypes.pas	Sat Feb 07 23:26:14 2015 +0300
@@ -87,7 +87,8 @@
             sprHandResurrector, sprCross, sprAirDrill, sprNapalmBomb,
             sprBulletHit, sprSnowball, sprHandSnowball, sprSnow,
             sprSDFlake, sprSDWater, sprSDCloud, sprSDSplash, sprSDDroplet, sprTardis,
-            sprSlider, sprBotlevels, sprHandKnife, sprKnife, sprStar, sprIceTexture, sprIceGun, sprFrozenHog, sprAmRubber, sprBoing, sprCustom1, sprCustom2
+            sprSlider, sprBotlevels, sprHandKnife, sprKnife, sprStar, sprIceTexture, sprIceGun,
+            sprFrozenHog, sprAmRubber, sprBoing, sprCustom1, sprCustom2, sprAirMine
             );
 
     // Gears that interact with other Gears and/or Land
@@ -104,7 +105,7 @@
             gtEgg, gtPortal, gtPiano, gtGasBomb, gtSineGunShot, gtFlamethrower, // 50
             gtSMine, gtPoisonCloud, gtHammer, gtHammerHit, gtResurrector, // 55
             gtNapalmBomb, gtSnowball, gtFlake, {gtStructure,} gtLandGun, gtTardis, // 61
-            gtIceGun, gtAddAmmo, gtGenericFaller, gtKnife); // 65
+            gtIceGun, gtAddAmmo, gtGenericFaller, gtKnife, gtAirMine); // 66
 
     // Gears that are _only_ of visual nature (e.g. background stuff, visual effects, speechbubbles, etc.)
     TVisualGearType = (vgtFlake, vgtCloud, vgtExplPart, vgtExplPart2, vgtFire,
@@ -154,7 +155,8 @@
             amRCPlane, amLowGravity, amExtraDamage, amInvulnerable, amExtraTime, // 35
             amLaserSight, amVampiric, amSniperRifle, amJetpack, amMolotov, amBirdy, amPortalGun, // 42
             amPiano, amGasBomb, amSineGun, amFlamethrower, amSMine, amHammer, // 48
-            amResurrector, amDrillStrike, amSnowball, amTardis, {amStructure,} amLandGun, amIceGun, amKnife, amRubber); // 56
+            amResurrector, amDrillStrike, amSnowball, amTardis, {amStructure,} amLandGun, // 53
+            amIceGun, amKnife, amRubber, amAirMine); // 57
 
     // Different kind of crates that e.g. hedgehogs can pick up
     TCrateType = (HealthCrate, AmmoCrate, UtilityCrate);
@@ -247,6 +249,7 @@
             CollisionIndex: LongInt;    // Position in collision array
             Message: LongWord;          // Game messages are stored here. See gm bitmasks in uConsts
             uid: Longword;              // Lua use this to reference gears
+            Hedgehog: PHedgehog;        // set to CurrentHedgehog on gear creation.  uStats damage code appears to assume it will never be nil and never be changed.  If you override it, make sure it is set to a non-nil PHedgehog before dealing damage.
 // Strongly recommended not to override these.  Will mess up generic operations like portaling
             X : hwFloat;              // X/Y/dX/dY are position/velocity. People count on these having semi-normal values
             Y : hwFloat;
@@ -278,7 +281,6 @@
             Tex: PTexture;          // A texture created by the gear. Shouldn't use for anything but textures
             Tint: LongWord;         // Used to colour a texture
             LinkedGear: PGear;      // Used to track a related gear. Portal pairs for example.
-            Hedgehog: PHedgehog;    // set to CurrentHedgehog on gear creation
             SoundChannel: LongInt;  // Used to track a sound the gear started
             end;
     TPGearArray = array of PGear;
@@ -445,7 +447,7 @@
             sidMolotov, sidBirdy, sidPortalGun, sidPiano, sidGasBomb,
             sidSineGun, sidFlamethrower,sidSMine, sidHammer, sidResurrector,
             sidDrillStrike, sidSnowball, sidNothing, sidTardis,
-            {sidStructure,} sidLandGun, sidIceGun, sidKnife, sidRubber);
+            {sidStructure,} sidLandGun, sidIceGun, sidKnife, sidRubber, sidAirMine);
 
     TMsgStrId = (sidStartFight, sidDraw, sidWinner, sidVolume, sidPaused,
             sidConfirm, sidSuddenDeath, sidRemaining, sidFuel, sidSync,