prj/cam/src/deepc/input/dpckey.cpp

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 #include <appagg.h>
   7
   8 #include <iobjsys.h>
   9
  10 #include <sdesc.h>
  11 #include <sdesbase.h>
  12
  13 #include <keyprop.h>
  14 #include <contain.h>
  15
  16 #include <dpckey.h>
  17
  18 #include <playrobj.h>
  19 #include <dpcplcst.h>
  20 #include <dpcplayr.h>
  21
  22 #include <netmsg.h>
  23
  24 // structure descriptor fun
  25 char *access_bit_names[] = {
  26    "MED", "SCI", "R&D", "CREW", "CARGO",
  27    "REC","HYD A","HYD B","HYD D","SHUTTLE",
  28    "CRYO", "MED ANNEX", "SECURITY", "BRIDGE", "CARGO2",
  29    "CREW2", "RICKENBACHER", "RICK ROOM","OPS OVERRIDE",
  30 };
  31
  32 static sFieldDesc keyinfo_fields [] =
  33 {
  34    { "MasterBit", kFieldTypeBool, FieldLocation(sKeyInfo,master_bit) },
  35    { "RegionID",  kFieldTypeBits,  FieldLocation(sKeyInfo,region_mask), FullFieldNames(access_bit_names) },
  36    { "LockID",    kFieldTypeInt,  FieldLocation(sKeyInfo,lock_id),     kFieldFlagUnsigned },
  37 };
  38
  39 static sStructDesc keyinfo_struct = StructDescBuild(sKeyInfo,kStructFlagNone,keyinfo_fields);
  40
  41 ////////////////////
  42 //
  43 // NETWORK CODE
  44 //
  45
  46 // The message that gets broadcast whenever a player gets a new key:
  47 static cNetMsg *g_pAddKeyMsg = NULL;
  48
  49 // Some other player has gotten a key; I get it too...
  50 void handleDPCAddKey(uint region_mask)
  51 {
  52    sKeyInfo *skip;
  53    AutoAppIPtr(DPCPlayer);
  54    ObjID keyring = pDPCPlayer->GetEquip(PlayerObject(), kEquipFakeKeys);
  55
  56    if (!KeySrcProp->IsRelevant(keyring)) {
  57       Warning(("Object %d doesn't seem to be a key ring!\n", keyring));
  58       return;
  59    }
  60    KeySrcProp->Get(keyring, &skip);
  61    skip->region_mask |= region_mask;
  62    KeySrcProp->Set(keyring, skip);
  63 }
  64
  65 static sNetMsgDesc sAddKeyDesc =
  66 {
  67    kNMF_Broadcast,
  68    "DPCAddKey",
  69    "DPC Add Key",
  70    NULL,
  71    handleDPCAddKey,
  72    {{kNMPT_UInt},
  73     {kNMPT_End}}
  74 };
  75
  76 ////////////////////
  77
  78 BOOL DPCKeyContainsListener(eContainsEvent event, ObjID containee, ObjID new_obj, eContainType, ContainCBData)
  79 {
  80    bool retval = TRUE;
  81    sKeyInfo *skip1, *skip2;
  82
  83    // we only care about combining
  84    if ((event != kContainQueryCombine) && (event != kContainCombine))
  85       return(TRUE);
  86
  87    // we only care about keys
  88    // is this better done after we filter on event?
  89    if (!KeySrcProp->IsRelevant(containee)  || !KeySrcProp->IsRelevant(new_obj))
  90       return(TRUE);
  91
  92    KeySrcProp->Get(containee, &skip1);
  93    KeySrcProp->Get(new_obj, &skip2);
  94
  95    switch (event)
  96    {
  97    case kContainQueryCombine:
  98       // only let them merge if their lock_id's are non zero.
  99       if ((skip1->lock_id != 0) || (skip2->lock_id != 0))
 100          retval = FALSE;
 101       break;
 102
 103    case kContainCombine:
 104       // just binary OR in the bits of the doomed key
 105       skip1->region_mask = skip2->region_mask | skip1->region_mask;
 106       KeySrcProp->Set(containee, skip1);
 107       g_pAddKeyMsg->Send(OBJ_NULL, skip2->region_mask);
 108       break;
 109    }
 110    return(retval);
 111 }
 112
 113 void DPCKeyInit(void)
 114 {
 115    AutoAppIPtr(ContainSys);
 116    StructDescRegister(&keyinfo_struct);
 117
 118    pContainSys->Listen(OBJ_NULL,DPCKeyContainsListener,NULL);
 119    g_pAddKeyMsg = new cNetMsg(&sAddKeyDesc);
 120 }
 121
 122 void DPCKeyTerm(void)
 123 {
 124    delete g_pAddKeyMsg;
 125 }