343 lines
11 KiB
C++
343 lines
11 KiB
C++
//========= 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;
|
|
}
|
|
|
|
|
|
|