diff options
Diffstat (limited to 'mp/src/game/server/ai_initutils.cpp')
| -rw-r--r-- | mp/src/game/server/ai_initutils.cpp | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/mp/src/game/server/ai_initutils.cpp b/mp/src/game/server/ai_initutils.cpp new file mode 100644 index 00000000..f51b392f --- /dev/null +++ b/mp/src/game/server/ai_initutils.cpp @@ -0,0 +1,342 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: AI Utility classes for building the initial AI Networks
+//
+// $Workfile: $
+// $Date: $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "ai_node.h"
+#include "ai_hull.h"
+#include "ai_hint.h"
+#include "ai_initutils.h"
+#include "ai_networkmanager.h"
+
+// to help eliminate node clutter by level designers, this is used to cap how many other nodes
+// any given node is allowed to 'see' in the first stage of graph creation "LinkVisibleNodes()".
+
+#include "ai_network.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+LINK_ENTITY_TO_CLASS( info_hint, CNodeEnt );
+LINK_ENTITY_TO_CLASS( info_node, CNodeEnt );
+LINK_ENTITY_TO_CLASS( info_node_hint, CNodeEnt );
+LINK_ENTITY_TO_CLASS( info_node_air, CNodeEnt );
+LINK_ENTITY_TO_CLASS( info_node_air_hint, CNodeEnt );
+LINK_ENTITY_TO_CLASS( info_node_climb, CNodeEnt );
+LINK_ENTITY_TO_CLASS( aitesthull, CAI_TestHull );
+
+//-----------------------------------------------------------------------------
+// Init static variables
+//-----------------------------------------------------------------------------
+CAI_TestHull* CAI_TestHull::pTestHull = NULL;
+
+#ifdef CSTRIKE_DLL
+#define PLAYER_MODEL "models/player/ct_urban.mdl"
+#else
+#define PLAYER_MODEL "models/player.mdl"
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Make sure we have a "player.mdl" hull to test with
+//-----------------------------------------------------------------------------
+void CAI_TestHull::Precache()
+{
+ BaseClass::Precache();
+ PrecacheModel( PLAYER_MODEL );
+}
+
+//=========================================================
+// CAI_TestHull::Spawn
+//=========================================================
+void CAI_TestHull::Spawn(void)
+{
+ Precache();
+
+ SetModel( PLAYER_MODEL );
+
+ // Set an initial hull size (this will change later)
+ SetHullType(HULL_HUMAN);
+ SetHullSizeNormal();
+
+ SetSolid( SOLID_BBOX );
+ AddSolidFlags( FSOLID_NOT_SOLID );
+
+ SetMoveType( MOVETYPE_STEP );
+ m_iHealth = 50;
+
+ bInUse = false;
+
+ // Make this invisible
+ AddEffects( EF_NODRAW );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the test hull (create if none)
+// Input :
+// Output :
+//-----------------------------------------------------------------------------
+CAI_TestHull* CAI_TestHull::GetTestHull(void)
+{
+ if (!CAI_TestHull::pTestHull)
+ {
+ CAI_TestHull::pTestHull = CREATE_ENTITY( CAI_TestHull, "aitesthull" );
+ CAI_TestHull::pTestHull->Spawn();
+ CAI_TestHull::pTestHull->AddFlag( FL_NPC );
+ }
+
+ if (CAI_TestHull::pTestHull->bInUse == true)
+ {
+ DevMsg("WARNING: TestHull used and never returned!\n");
+ Assert( 0 );
+ }
+
+ CAI_TestHull::pTestHull->RemoveSolidFlags( FSOLID_NOT_SOLID );
+ CAI_TestHull::pTestHull->bInUse = true;
+
+ return CAI_TestHull::pTestHull;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get the test hull (create if none)
+// Input :
+// Output :
+//-----------------------------------------------------------------------------
+void CAI_TestHull::ReturnTestHull(void)
+{
+ CAI_TestHull::pTestHull->bInUse = false;
+ CAI_TestHull::pTestHull->AddSolidFlags( FSOLID_NOT_SOLID );
+ UTIL_SetSize(CAI_TestHull::pTestHull, vec3_origin, vec3_origin);
+
+ UTIL_RemoveImmediate( pTestHull );
+ pTestHull = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : &startPos -
+// &endPos -
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CAI_TestHull::IsJumpLegal(const Vector &startPos, const Vector &apex, const Vector &endPos) const
+{
+ const float MAX_JUMP_RISE = 1024.0f;
+ const float MAX_JUMP_DISTANCE = 1024.0f;
+ const float MAX_JUMP_DROP = 1024.0f;
+
+ return BaseClass::IsJumpLegal( startPos, apex, endPos, MAX_JUMP_RISE, MAX_JUMP_DISTANCE, MAX_JUMP_DROP );
+}
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input :
+// Output :
+//-----------------------------------------------------------------------------
+CAI_TestHull::~CAI_TestHull(void)
+{
+ CAI_TestHull::pTestHull = NULL;
+}
+
+//###########################################################
+// > CNodeEnt
+//
+// nodes start out as ents in the world. As they are spawned,
+// the node info is recorded then the ents are discarded.
+//###########################################################
+
+//----------------------------------------------------
+// Static vars
+//----------------------------------------------------
+int CNodeEnt::m_nNodeCount = 0;
+
+// -------------
+// Data table
+// -------------
+BEGIN_SIMPLE_DATADESC( HintNodeData )
+
+ DEFINE_FIELD( strEntityName, FIELD_STRING ),
+ // DEFINE_FIELD( vecPosition, FIELD_VECTOR ), // Don't save
+ DEFINE_KEYFIELD( nHintType, FIELD_SHORT, "hinttype" ),
+ DEFINE_KEYFIELD( strGroup, FIELD_STRING, "Group" ),
+ DEFINE_KEYFIELD( iDisabled, FIELD_INTEGER, "StartHintDisabled" ),
+ DEFINE_FIELD( nNodeID, FIELD_INTEGER ),
+ DEFINE_KEYFIELD( iszActivityName, FIELD_STRING, "hintactivity" ),
+ DEFINE_KEYFIELD( nTargetWCNodeID, FIELD_INTEGER, "TargetNode" ),
+ DEFINE_KEYFIELD( nWCNodeID, FIELD_INTEGER, "nodeid" ),
+ DEFINE_KEYFIELD( fIgnoreFacing, FIELD_INTEGER, "IgnoreFacing" ),
+ DEFINE_KEYFIELD( minState, FIELD_INTEGER, "MinimumState" ),
+ DEFINE_KEYFIELD( maxState, FIELD_INTEGER, "MaximumState" ),
+
+END_DATADESC()
+
+// -------------
+// Data table
+// -------------
+BEGIN_DATADESC( CNodeEnt )
+
+ DEFINE_EMBEDDED( m_NodeData ),
+
+END_DATADESC()
+
+//=========================================================
+//=========================================================
+void CNodeEnt::Spawn( void )
+{
+ Spawn( NULL );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : *pMapData -
+//-----------------------------------------------------------------------------
+int CNodeEnt::Spawn( const char *pMapData )
+{
+ m_NodeData.strEntityName = GetEntityName();
+ m_NodeData.vecPosition = GetAbsOrigin();
+ m_NodeData.nNodeID = NO_NODE;
+ if ( m_NodeData.minState == NPC_STATE_NONE )
+ m_NodeData.minState = NPC_STATE_IDLE;
+ if ( m_NodeData.maxState == NPC_STATE_NONE )
+ m_NodeData.maxState = NPC_STATE_COMBAT;
+ // ---------------------------------------------------------------------------------
+ // If just a hint node (not used for navigation) just create a hint and bail
+ // ---------------------------------------------------------------------------------
+ if (FClassnameIs( this, "info_hint" ))
+ {
+ if (m_NodeData.nHintType)
+ {
+ CAI_HintManager::CreateHint( &m_NodeData, pMapData );
+ }
+ else
+ {
+ Warning("info_hint (HammerID: %d, position (%.2f, %.2f, %.2f)) with no hint type.\n", m_NodeData.nWCNodeID, m_NodeData.vecPosition.x, m_NodeData.vecPosition.y, m_NodeData.vecPosition.z );
+ }
+ UTIL_RemoveImmediate( this );
+ return -1;
+ }
+
+ // ---------------------------------------------------------------------------------
+ // First check if this node has a hint. If so create a hint entity
+ // ---------------------------------------------------------------------------------
+ CAI_Hint *pHint = NULL;
+
+ if ( ClassMatches( "info_node_hint" ) || ClassMatches( "info_node_air_hint" ) )
+ {
+ if ( m_NodeData.nHintType || m_NodeData.strGroup != NULL_STRING || m_NodeData.strEntityName != NULL_STRING )
+ {
+ m_NodeData.nNodeID = m_nNodeCount;
+ pHint = CAI_HintManager::CreateHint( &m_NodeData, pMapData );
+ pHint->AddSpawnFlags( GetSpawnFlags() );
+ }
+ }
+
+
+ // ---------------------------------------------------------------------------------
+ // If we loaded from disk, we can discard all these node ents as soon as they spawn
+ // unless we are in WC edited mode
+ // ---------------------------------------------------------------------------------
+ if ( g_pAINetworkManager->NetworksLoaded() && !engine->IsInEditMode())
+ {
+ // If hint exists for this node, set it
+ if (pHint)
+ {
+ CAI_Node *pNode = g_pBigAINet->GetNode(m_nNodeCount);
+ if (pNode)
+ pNode->SetHint( pHint );
+ else
+ {
+ DevMsg("AI node graph corrupt\n");
+ }
+ }
+ m_nNodeCount++;
+ UTIL_RemoveImmediate( this );
+ return -1;
+ }
+ else
+ {
+ m_nNodeCount++;
+ }
+
+ // ---------------------------------------------------------------------------------
+ // Add a new node to the network
+ // ---------------------------------------------------------------------------------
+ // For now just using one big AI network
+ CAI_Node *new_node = g_pBigAINet->AddNode( GetAbsOrigin(), GetAbsAngles().y );
+ new_node->SetHint( pHint );
+
+ // -------------------------------------------------------------------------
+ // Update table of how each WC id relates to each engine ID
+ // -------------------------------------------------------------------------
+ if (g_pAINetworkManager->GetEditOps()->m_pNodeIndexTable)
+ {
+ g_pAINetworkManager->GetEditOps()->m_pNodeIndexTable[new_node->GetId()] = m_NodeData.nWCNodeID;
+ }
+ // Keep track of largest index used by WC
+ if (g_pAINetworkManager->GetEditOps()->m_nNextWCIndex <= m_NodeData.nWCNodeID)
+ {
+ g_pAINetworkManager->GetEditOps()->m_nNextWCIndex = m_NodeData.nWCNodeID+1;
+ }
+
+ // -------------------------------------------------------------------------
+ // If in WC edit mode:
+ // Remember the original positions of the nodes before
+ // they drop so we can send the undropped positions to wc.
+ // -------------------------------------------------------------------------
+ if (engine->IsInEditMode())
+ {
+ if (g_pAINetworkManager->GetEditOps()->m_pWCPosition)
+ {
+ g_pAINetworkManager->GetEditOps()->m_pWCPosition[new_node->GetId()] = new_node->GetOrigin();
+ }
+ }
+
+ if (FClassnameIs( this, "info_node_air" ) || FClassnameIs( this, "info_node_air_hint" ))
+ {
+ new_node->SetType( NODE_AIR );
+ }
+ else if (FClassnameIs( this, "info_node_climb" ))
+ {
+ new_node->SetType( NODE_CLIMB );
+ }
+ else
+ {
+ new_node->SetType( NODE_GROUND );
+ }
+
+ new_node->m_eNodeInfo = ( m_spawnflags << NODE_ENT_FLAGS_SHIFT );
+
+ // If changed as part of WC editing process note that network must be rebuilt
+ if (m_debugOverlays & OVERLAY_WC_CHANGE_ENTITY)
+ {
+ g_pAINetworkManager->GetEditOps()->SetRebuildFlags();
+ new_node->m_eNodeInfo |= bits_NODE_WC_CHANGED;
+
+ // Initialize the new nodes position. The graph may not be rebuild
+ // right away but the node should at least be positioned correctly
+ g_AINetworkBuilder.InitNodePosition( g_pBigAINet, new_node );
+ }
+
+ UTIL_RemoveImmediate( this );
+
+ return -1;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input :
+// Output :
+//-----------------------------------------------------------------------------
+CNodeEnt::CNodeEnt( void )
+{
+ m_debugOverlays = 0;
+}
+
+
+
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