trunk/bwapi/BWAPI/Source/BW/Bullet.h

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#pragma once

#include <Util/Types.h>
#include <BW/Position.h>
#include <BW/Sprite.h>

#include <BW/Offsets.h>

namespace BW
{
#pragma pack(1)
  // See Unit.h and compare this entire structure with the first part of the unit structure
  // I'm not sure how much of it is the same so I didn't bother updating this.
  struct Bullet
  {
// v-- POSSIBLE SHARED BULLET/UNIT STRUCTURE BEGIN
    /*0x00*/ BW::Bullet*  prev;
    /*0x04*/ BW::Bullet*  next;
    /*0x08*/ u32          unknown_0x08; //usually holds 1 (exists?)
    /*0x0C*/ BW::Sprite   *sprite; // sprite pointer
    /*0x10*/ BW::Position unknown_0x10; //address? animation related? changes a during the same bullet
    /*0x14*/ BW::Unit     *unknown_0x14; //usually holds 0
    /*0x18*/ BW::Position targetPosition;
    /*0x1C*/ BW::Position targetPosition2; //usually same as targetPosition
    /*0x20*/ u8           movementFlags; //usually holds 0x09 for probes, 0x0b for dragoons, 0x11 for mutas
    /*0x21*/ u8           direction1; //not sure how this and direction2 differ from currentDirection and velocityDirection
    /*0x22*/ u8           flingyTurnRadius;
    /*0x23*/ u8           direction2;
    /*0x24*/ u16          type;
    /*0x26*/ u8           unknown_0x26;
    /*0x27*/ u8           flingyMoveControl;
    /*0x28*/ BW::Position position;
    /*0x2C*/ POINT        halt; // (xHalt >> 4) == xHalt
    /*0x34*/ s32          flingyTopSpeed;
    /*0x38*/ s32          unknown_0x38; //increasing counter or timer
    /*0x3C*/ s32          unknown_0x3C; //increasing counter or timer, often the same value as unknown_0x38
    /*0x40*/ POINT        current_speed;
    /*0x48*/ u16          flingyAcceleration;
    /*0x4A*/ u8           currentDirection;
    /*0x4B*/ u8           velocityDirection; //seems to always be the same as currentDirection
    /*0x4C*/ u8           unknown_0x4C;
    /*0x4D*/ u8           behaviourTypeInternal; // 0 = none
                                                 // 1 = fly
                                                 // 2 = fly & follow target
                                                 // 3 = bounce
                                                 // 4 = persist on site
                                                 // 5 = appear on target/instant
                                                 // 6 = attack target area
    /*0x4E*/ u16          unknown_0x4E;
    /*0x50*/ u16          someUnitType; //usually holds UnitTypes::None (Unknown unit type stuff?)
    /*0x52*/ u16          unknown_0x52; // possibly padding
    /*0x54*/ s32          unknown_0x54; //usually holds 0
    /*0x58*/ BW::Position flyToPosition;
    /*0x5C*/ BW::Unit*    targetUnit;
// ^-- POSSIBLE SHARED BULLET/UNIT STRUCTURE END

    /*0x60*/ u8           weaponType;
    /*0x61*/ u8           time_remaining;
    /*0x62*/ u8           hitFlags;           // 0x01 = miss target; 0x02 = no damage (hallucination)
    /*0x63*/ u8           remainingBounces;   // Bounce count for mutalisk weapon (official name: ubChain)
    /*0x64*/ BW::Unit*    sourceUnit;
    /*0x68*/ BW::Unit*    nextBounceUnit;     // Next unit for bounce, temporary
    /*0x6C*/ u32          unknown_0x6C;       // some sort of cyclic burst counter (used by valkyries, goliath air attack)
  };

  CTASSERT( sizeof(Bullet) == 112 );
#pragma pack()
};