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 ##        Bit Name        Description                                    
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 00     Gettable Thing         Any thing with this bit on will be picked  
 up and given to the player.  If an invalid     
                             spriteis shown upon picking up the item, the   
                             game will crash with the error:                
                             P_SpecialThing: Unknown gettable thing         
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 01        Obstacle            Objects with this bit on block the         
 movement of any other objects, including       
                             projectiles.                                   
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 02    Shootable Thing         Objects with this bit on can be shot at,   
 damaged and eventually destroyed.              
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 03   Total Invisibility       Things will be totally invisible, even to  
 your auto-map, if this bit is turned on.       
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 04      Can't Be Hit          A thing, usually a projectile, can not be  
 damaged in any way.  It also can not be picked 
                             up or shot with this bit on.                   
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 05       Semi-Deaf            The true effect of this bit is unknown.    
 It is probably used internally by the game.    
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 06        In Pain             The true effect of this bit is unknown.    
 Probably also used internally.                 
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 07  Steps Before Attack       The true effect of this bit is unknown.    
 Yet another internal bit, no doubt.            
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 08   Hangs From Ceiling       An object with this bit set starts at the  
 ceiling, rather than the floor.  The object's  
                             altitude will then be interpreted as distance  
                             from the ceiling, not the floor.               
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 09       No Gravity           Anything with this bit does not obey the   
 law of gravity.  The player can move ever so   
                             slowly but will not move down.  Only floating  
                             things (see bit 14) can control speed and      
                             altitude.                                      
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 10  Travles Over Cliffs       This bit allows monsters to WALK in deep   
 sectors.  Deep sectors are sectors more than   
                             24 units lower than the surrounding floor.     
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 11     Picks Up Items         Things with this bit on will pick up items 
 and remove them from the map.  Only the player 
                             knows how to use items.                        
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 12      No Clipping           This bit lets an object pass through walls 
 and objects.  Exactly the same as the player's 
                             no-clipping cheat code.                        
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 13   Slides along walls       I have absolutely no idea what this bit    
 does.  It was obviously misnamed...            
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 14        Floating            This bit allows an object to control its   
 altitude, speed, and direction.  Objects with  
                             Bit 09 on and this bit off will obey Newton's  
                             First Law of Motion exactly.                   
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 15      Semi-NoClip.          Apparently, this bit does absolutely       
 nothing in Hexen.  Maybe the function was      
                             removed from the code.                         
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 16       Projectile           This bit transforms an ordinary object     
 into a projectile.  A projectile has several   
                             special properties:                            
                             1: The object will travel at 1/65536 of the    
                                true speed specified.  When the bit is set  
                                the value in the window will be reduced.    
                             2: The object will jump to its death frame     
                                upon impact with an object or wall.  It     
                                will also play the thing's death sound.     
                             3: Upon impact, the projectile will attempt to 
                                damage whatever it hit.  If the thing has   
                                Bit 02 set it will inflict impact damage.   
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 17  Partial invisibility      This bit causes an object to appear        
 somewhat transparent.                          
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 18      Transparency          Exactly like Bit 17, but the thing will be 
 even more transparent.                         
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 19     Puff VS. bleed         If this bit is set, the object will not    
 produce a blood splat when damaged.  It also   
                             will not be smashed into a little blood pool.  
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 20    Sliding helpless        The effect of this bit is unknown.         
                                                
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 21    No auto-leveling        This is also unknown.                      
                                                
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 22     Effects kill-%         Objects with this bit on gain these        
 properties:                                    
                             1: Will be destroyed upon executing the kill   
                                cheat code.                                 
                             2: Contains life for the Serpent Staff to      
                                drain and give to the cleric.               
                             3: Can be porkelated.                          
                             4: Can be banished.                            
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 23     Effects item-%         No known effects in Hexen                  
                                                
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 24        Running             Was used internally in Doom by Lost Soul   
 but effect in Hexen is unknown.                
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 25   Not in Deathmatch        Anything with this bit on will not appear  
 in Deathmatch games.  Examples are keys, which 
                             everyone gets anyway, and the normal player.   
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 26        Color 1             Color combinations are as follows:         
 27        Color 2         Neither bits:  Yellow                          
 Color 1 only:  Yellow->Red                     
                             Color 2 only:  Yellow->Blue                    
                             Color 1 and 2: Yellow->Green                   
                             Gets weird effect if used on Zedek, but has no 
                             effect on either Traductus or Menelkir.        
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 28         Unused             Well, you get the point.                   
 29         Unused         As far as anyone knows, these bits do          
 30         Unused         absolutely nothing at all.                     
 31         Unused                                                        
                                                
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 32    Lowered Gravity         An object with this bit will fall much     
 more slowly than normal.  Welcome to the moon. 
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 33     Blown by Wind          Was used in Heretic by wind specials, but  
 there is no true wind in Hexen...              
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 34        Bounces             Will bounce off walls, floors, and objects 
 which are not shootable.  Must be projectile,  
                             but will do no impact damage.                  
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 35   Goes through invis.      Projectiles will push monsters and the     
 like away upon impact.                         
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 36   Pushable up cliffs       Means if you push an object up against a   
 high sector, it will actually climb up the     
                             wall.  Try it on one of the pots and watch.    
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 37    Walk IN liquids         This bit merely cuts about 8 pixels off    
 the bottom of the thing's graphics, so it will 
                             look like the thing is partially submerged.    
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 38    Starts on floor         Have no idea.                              
                                                
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 39   Does not teleport        Simple.  The thing will not teleport.      
                                                
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 40        Piercing            The projectile will rip through its target 
 and do damage every time it moves.             
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 41        Pushable            The object can be pushed around on the     
 level.                                         
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 42   Only hits monsters       Will not hurt any other players directly.  
 Try to punch the other player in a cooperative 
                             game and see...                                
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 43         Unused             Unused.                                    
                                                
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 44   Only used in pots        Don't know exactly what this does.  It is  
 used in anything which is destructible.        
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 45       Particles            Not sure, but it is used in particle-like  
 things.  See for yourself.                     
                                                                            
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 46         Unused             Unused.                                    
                                                
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 47      Boss Monster          Gains these properties:                    
 1: Can no longer be banished or porkelated.    
                             2: Many of its sounds will be ambient.         
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 48  Causes burning death      This bit will cause something to burn away 
 instead of dying normally.  Note that the two  
                             shrubs can _only_ burn away, and are otherwise 
                             totally indestructible.                        
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 49  Does not push things      Will not push things.                      
                                                
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 50       Telefrags            Will destroy thing at teleport destination 
 instead of not teleporting at all.             
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 51        Bobbing             Will bob up and down.                      
                                                
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 52      Invisibility          Will be completely invisible.  Except on   
 the auto-map.                                  
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 53      IMPACT line           Projectile will activate linedefs with     
 activation type "IMPACT".                      
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 54        Unknown             Unknown.                                   
                                                
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 55   MONSTER CROSS line       Monster will activate linedefs with        
 activation type "MONSTER CROSS".               
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 56    PROJ. CROSS line        Projectile will activate linedefs with     
 activation type "PROJECTILE CROSS".            
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 57    Projectile pass         Projectiles will pass through obstacle.    
                                                
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 58    Used by stalkers        Don't know, used only in stalkers.         
                                                
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 59    Invulnerability         Can not be damaged.  Exactly like dormant  
 afrit.                                         
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 60   Indestructibility        Can not be damaged.  Or destroyed via      
 the kill code.  Dormant, but can move!         
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 61    Causes icy death        Projectile will freeze thing, which will   
 in turn shatter into many chunks of ice.       
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 62        Homing??            Is only used in homing projectiles, but    
 the bit itself does not cause homing.          
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 63       Reflective           Will reflect any incoming projectiles,     
 taking damage and then reflecting.             
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