prj/cam/src/ai/aiactinv.h

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 ///////////////////////////////////////////////////////////////////////////////
   7 // $Header: r:/t2repos/thief2/src/ai/aiactinv.h,v 1.8 1999/11/29 12:27:12 BFarquha Exp $
   8 //
   9 //
  10
  11 #ifndef __AIACTINV_H
  12 #define __AIACTINV_H
  13
  14 #include <aiactloc.h>
  15 #include <aibasact.h>
  16 #include <aiutils.h>
  17
  18 #pragma once
  19 #pragma pack(4)
  20
  21 class cAIMotionAction;
  22 class cAILocoAction;
  23 class cAIOrientAction;
  24 class cAIWanderAction;
  25
  26 ///////////////////////////////////////////////////////////////////////////////
  27 //
  28 // CLASS: cAIInvestAction
  29 //
  30
  31 #define kAIIA_InfiniteDur INT_MAX
  32
  33 enum eAIInvestStyleFlags
  34 {
  35    kAIIS_InitOrient = 0x01,
  36    kAIIS_InitScan   = 0x02,
  37    kAIIS_EndWander  = 0x04,
  38    kAIIS_VarSpeed   = 0x08,
  39
  40    kAIAF_All        = 0xffffffff
  41 };
  42
  43 ///////////////////////////////////////
  44
  45 class cAIInvestAction : public cAIAction
  46 {
  47 public:
  48    cAIInvestAction(IAIActor * pOwner, DWORD data = 0);
  49    ~cAIInvestAction();
  50
  51    //
  52    // Investigate a point, using an object as a hint for determining
  53    // the destination cell
  54    //
  55    void Set(const cMxsVector & dest,
  56             ObjID              hintObject,
  57             eAISpeed           speed      = kAIS_Num, // defaults based on distance
  58             float              accuracySq = kAILA_DefaultAccuracy,
  59             float              accuracyZ  = kAILA_DefaultAccuracyZ);
  60
  61    //
  62    // Investigate an object
  63    //
  64    void Set(ObjID    object,
  65             eAISpeed speed      = kAIS_Num,     // defaults based on distance
  66             float    accuracySq = kAILA_DefaultAccuracy,
  67             float    accuracyZ  = kAILA_DefaultAccuracyZ);
  68
  69    //
  70    // Investigate a point
  71    //
  72    void Set(const cMxsVector & dest,
  73             eAISpeed           speed      = kAIS_Num, // defaults based on distance
  74             float              accuracySq = kAILA_DefaultAccuracy,
  75             float              accuracyZ  = kAILA_DefaultAccuracyZ);
  76
  77
  78    // Path near object if actually can't path to. Should occur before Set.
  79    void SetNearPath(BOOL bPathNear, float fDist);
  80
  81    void SetCheckPathDist(BOOL bCheck);
  82
  83    //
  84    // Flags
  85    //
  86    void SetStyle(unsigned flags);
  87    void SetDuration(unsigned time); // set to kAIIA_InfiniteDur if want to never expire
  88
  89    //
  90    // Scan settings
  91    //
  92    void SetScan(unsigned minScanDelay,
  93                 unsigned maxScanDelay);
  94    void ResetScan();
  95    void ForceScan();
  96
  97    BOOL IsScanning() const;
  98    BOOL ReachedPoint() const;
  99
 100    const mxs_vector & GetDest() const;
 101
 102    float ComputePathDist();
 103
 104    // Update the action
 105    STDMETHOD_(eAIResult, Update)();
 106
 107    // Start the action. Instantaneous actions will return result
 108    STDMETHOD_(eAIResult, Enact)(ulong deltaTime);
 109
 110 private:
 111    enum eState
 112    {
 113       kNotStarted,
 114       kInitOrient,
 115       kEnRoute,
 116       kScanEnRoute,
 117       kScanAtLoc,
 118
 119       kIntMax = 0xffffffff
 120    };
 121
 122    cAILocoAction *   m_pLocoAction;
 123    cAIMotionAction * m_pMotionAction;
 124    cAIOrientAction * m_pOrientAction;
 125    cAIWanderAction * m_pWanderAction;
 126
 127    cAITimer          m_expiration;
 128    unsigned          m_StyleFlags;
 129    cAIRandomTimer    m_ScanTimer;
 130    cAITimer          m_CheckDistTimer;
 131
 132    eState            m_state;
 133
 134    float fPathNearDist;
 135    BOOL m_bDoCheckDist;
 136 };
 137
 138 ///////////////////////////////////////
 139
 140 // Path near object if actually can't path to.
 141 inline void cAIInvestAction::SetNearPath(BOOL bPathNear, float fDist)
 142 {
 143    if (bPathNear)
 144       fPathNearDist = fDist;
 145    else
 146       fPathNearDist = -1;
 147 }
 148
 149
 150 inline void cAIInvestAction::SetCheckPathDist(BOOL bCheck)
 151 {
 152    m_bDoCheckDist = bCheck;
 153 }
 154
 155
 156 ///////////////////////////////////////
 157
 158 inline BOOL cAIInvestAction::IsScanning() const
 159 {
 160    return !!m_pMotionAction;
 161 }
 162
 163 ///////////////////////////////////////
 164
 165 inline BOOL cAIInvestAction::ReachedPoint() const
 166 {
 167    return (m_state == kScanAtLoc);
 168 }
 169
 170 ///////////////////////////////////////
 171
 172 inline void cAIInvestAction::SetStyle(unsigned flags)
 173 {
 174    m_StyleFlags |= flags;
 175 }
 176
 177 ///////////////////////////////////////
 178
 179 inline void cAIInvestAction::SetDuration(unsigned time)
 180 {
 181    m_expiration.Set(AICustomTime(time));
 182 }
 183
 184 ///////////////////////////////////////////////////////////////////////////////
 185
 186 #pragma pack()
 187
 188 #endif /* !__AIACTINV_H */