diff --git a/src/d_player.h b/src/d_player.h
index 2e7afed88..bb206c889 100644
--- a/src/d_player.h
+++ b/src/d_player.h
@@ -313,9 +313,43 @@ typedef enum
 	RW_RAIL    = 32
 } ringweapons_t;
 
+//Bot types
+typedef enum
+{
+	BOT_NONE = 0,
+	BOT_2PAI,
+	BOT_2PHUMAN,
+	BOT_MPAI
+} bottype_t;
+
+//AI states
+typedef enum
+{
+	AI_STANDBY = 0,
+	AI_FOLLOW,
+	AI_CATCHUP,
+	AI_THINKFLY,
+	AI_FLYSTANDBY,
+	AI_FLYCARRY,
+	AI_SPINFOLLOW
+} aistatetype_t;
+
+
 // ========================================================================
 //                          PLAYER STRUCTURE
 // ========================================================================
+
+//Bot memory struct
+typedef struct botmem_s
+{
+	boolean lastForward;
+	boolean lastBlocked;
+	boolean blocked;	
+	UINT8 catchup_tics;
+	UINT8 thinkstate;
+} botmem_t;
+
+//Main struct
 typedef struct player_s
 {
 	mobj_t *mo;
@@ -526,7 +560,11 @@ typedef struct player_s
 	boolean spectator;
 	boolean outofcoop;
 	UINT8 bot;
-
+	struct player_s *botleader;
+	UINT16 lastbuttons;
+	botmem_t botmem;
+	boolean blocked;
+	
 	tic_t jointime; // Timer when player joins game to change skin/color
 	tic_t quittime; // Time elapsed since user disconnected, zero if connected
 #ifdef HWRENDER