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Fix signed overflow in getPointedThing
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@ -367,6 +367,14 @@ PointedThing getPointedThing(Client *client, v3f player_position,
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s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
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s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
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// Prevent signed number overflow
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if(yend==32767)
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yend=32766;
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if(zend==32767)
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zend=32766;
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if(xend==32767)
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xend=32766;
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for(s16 y = ystart; y <= yend; y++)
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for(s16 z = zstart; z <= zend; z++)
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for(s16 x = xstart; x <= xend; x++)
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