--- a/hedgewars/GSHandlers.inc	Wed Mar 14 11:07:22 2012 +0400
+++ b/hedgewars/GSHandlers.inc	Wed Mar 14 21:12:04 2012 -0400
@@ -3466,11 +3466,9 @@
         fChanged := true;
         if Gear^.Angle > 2048 then
             dec(Gear^.Angle)
-        else
-            if Gear^.Angle < 2048 then
-                inc(Gear^.Angle)
-        else
-            fChanged := false
+        else if Gear^.Angle < 2048 then
+            inc(Gear^.Angle)
+        else fChanged := false
     end
     else
         begin
@@ -4034,7 +4032,7 @@
             break;
 
         // don't port portals or other gear that wouldn't make sense
-        if (iterator^.Kind in [gtPortal, gtRope, gtRCPlane])
+        if (iterator^.Kind in [gtPortal, gtRope])
         or (iterator^.PortalCounter > 32) then
             continue;
 
@@ -4273,6 +4271,22 @@
             iterator^.State:= iterator^.State and (not gstHHHJump)
             end;
 
+        // is it worth adding an arcsin table?  Just how often would we end up doing something like this?
+        if iterator^.Kind = gtRCPlane then
+            begin
+            // recycling as temp vars
+            resety.isNegative:= false;
+            resety.QWordValue:= 4294967296 * 112;
+            resetx.isNegative:= false;
+            resetx.QWordValue:= 4294967296 * 35;
+            resetdx.isNegative:= false;
+            resetdx.QWordValue:= 4294967296 * 1152;
+    
+            resetdy:=hwAbs(iterator^.dX*4);
+            resetdy:= resetdy + hwPow(resetdy,3)/_6 + _3 * hwPow(resetdy,5) / _40 + _5 * hwPow(resetdy,7) / resety + resetx * hwPow(resetdy,9) / resetdx;
+            iterator^.Angle:= hwRound(resetdy*_2048 / _PI)
+            end;
+
         if (CurrentHedgehog <> nil) and (CurrentHedgehog^.Gear <> nil)
         and (iterator = CurrentHedgehog^.Gear)
         and (CurAmmoGear <> nil)

--- a/hedgewars/uAIMisc.pas	Wed Mar 14 11:07:22 2012 +0400
+++ b/hedgewars/uAIMisc.pas	Wed Mar 14 21:12:04 2012 -0400
@@ -358,8 +358,7 @@
             else
                 if Score > 0 then
                     inc(rate, dmg+fallDmg)
-            else
-                dec(rate, (dmg+fallDmg) * friendlyfactor div 100)
+                else dec(rate, (dmg+fallDmg) * friendlyfactor div 100)
             end;
         end;
 RateExplosion:= rate * 1024;
@@ -475,7 +474,7 @@
         begin
          // hammer hit radius is 8, shift is 10
         if abs(Point.x - x) + abs(Point.y - y) < 18 then
-        r:= trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y)));
+            r:= trunc(sqrt(sqr(Point.x - x)+sqr(Point.y - y)));
 
         if r <= 18 then
             if Score > 0 then 

--- a/hedgewars/uFloat.pas	Wed Mar 14 11:07:22 2012 +0400
+++ b/hedgewars/uFloat.pas	Wed Mar 14 21:12:04 2012 -0400
@@ -82,6 +82,7 @@
 function hwRound(const t: hwFloat): LongInt; inline; // Does NOT really round but returns the integer representation of the hwFloat without fractional digits. (-_0_9 -> -0, _1_5 -> _1)
 function hwAbs(const t: hwFloat): hwFloat; inline; // Returns the value of t with positive sign.
 function hwSqr(const t: hwFloat): hwFloat; inline; // Returns the square value of parameter t.
+function hwPow(const t: hwFloat; p: LongWord): hwFloat; inline; // Returns the power of the value
 function hwSqrt(const t: hwFloat): hwFloat; inline; // Returns the the positive square root of parameter t.
 function Distance(const dx, dy: hwFloat): hwFloat; // Returns the distance between two points in 2-dimensional space, of which the parameters are the horizontal and vertical distance.
 function DistanceI(const dx, dy: LongInt): hwFloat; // Same as above for integer parameters.
@@ -148,6 +149,7 @@
             _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
               _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
               _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
+             _PI: hwFloat = (isNegative: false; QWordValue: 13493037704);
               _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
             _4_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 9 div 2);
               _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
@@ -355,6 +357,18 @@
 hwSqr.QWordValue:= ((QWord(t.Round) * t.Round) shl 32) + QWord(t.Round) * t.Frac * 2 + ((QWord(t.Frac) * t.Frac) shr 32);
 end;
 
+function hwPow(const t: hwFloat;p: LongWord): hwFloat;
+begin
+hwPow:= t;
+if p mod 2 = 0 then hwPow.isNegative:= t.isNegative;
+
+while p > 0 do
+    begin
+    hwPow.QWordValue:= QWord(hwPow.Round) * t.Frac + QWord(hwPow.Frac) * t.Round + ((QWord(hwPow.Frac) * t.Frac) shr 32);
+    dec(p)
+    end
+end;
+
 function hwSqrt(const t: hwFloat): hwFloat;
 var l, r: QWord;
     c: hwFloat;