source-engine/game/server/pathcorner.cpp

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Used to create a path that can be followed by NPCs and trains.
//
//=============================================================================//
#include "cbase.h"
#include "trains.h"
#include "entitylist.h"
#include "ndebugoverlay.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
class CPathCorner : public CPointEntity
{
DECLARE_CLASS( CPathCorner, CPointEntity );
public:
void Spawn( );
float GetDelay( void ) { return m_flWait; }
int DrawDebugTextOverlays(void);
void DrawDebugGeometryOverlays(void);
// Input handlers
void InputSetNextPathCorner( inputdata_t &inputdata );
void InputInPass( inputdata_t &inputdata );
DECLARE_DATADESC();
private:
float m_flWait;
COutputEvent m_OnPass;
};
LINK_ENTITY_TO_CLASS( path_corner, CPathCorner );
class CPathCornerCrash : public CPathCorner
{
DECLARE_CLASS( CPathCornerCrash, CPathCorner );
};
LINK_ENTITY_TO_CLASS( path_corner_crash, CPathCornerCrash );
BEGIN_DATADESC( CPathCorner )
DEFINE_KEYFIELD( m_flWait, FIELD_FLOAT, "wait" ),
// Inputs
DEFINE_INPUTFUNC( FIELD_STRING, "SetNextPathCorner", InputSetNextPathCorner),
// Internal inputs - not exposed in the FGD
DEFINE_INPUTFUNC( FIELD_VOID, "InPass", InputInPass ),
// Outputs
DEFINE_OUTPUT( m_OnPass, "OnPass"),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPathCorner::Spawn( void )
{
ASSERTSZ(GetEntityName() != NULL_STRING, "path_corner without a targetname");
}
//------------------------------------------------------------------------------
// Purpose: Sets the next path corner by name.
// Input : String ID name of next path corner.
//-----------------------------------------------------------------------------
void CPathCorner::InputSetNextPathCorner( inputdata_t &inputdata )
{
m_target = inputdata.value.StringID();
}
//-----------------------------------------------------------------------------
// Purpose: Fired by path followers as they pass the path corner.
//-----------------------------------------------------------------------------
void CPathCorner::InputInPass( inputdata_t &inputdata )
{
m_OnPass.FireOutput( inputdata.pActivator, inputdata.pCaller, 0);
}
//-----------------------------------------------------------------------------
// Purpose: Draw any debug text overlays
// Output : Current text offset from the top
//-----------------------------------------------------------------------------
int CPathCorner::DrawDebugTextOverlays(void)
{
int text_offset = BaseClass::DrawDebugTextOverlays();
if (m_debugOverlays & OVERLAY_TEXT_BIT)
{
// --------------
// Print Target
// --------------
char tempstr[255];
if (m_target!=NULL_STRING)
{
Q_snprintf(tempstr,sizeof(tempstr),"Target: %s",STRING(m_target));
}
else
{
Q_strncpy(tempstr,"Target: - ",sizeof(tempstr));
}
EntityText(text_offset,tempstr,0);
text_offset++;
}
return text_offset;
}
//-----------------------------------------------------------------------------
// Purpose: Override base class to add display of paths
//-----------------------------------------------------------------------------
void CPathCorner::DrawDebugGeometryOverlays(void)
{
// ----------------------------------------------
// Draw line to next target is bbox is selected
// ----------------------------------------------
if (m_debugOverlays & (OVERLAY_BBOX_BIT|OVERLAY_ABSBOX_BIT))
{
NDebugOverlay::Box(GetAbsOrigin(), Vector(-10,-10,-10), Vector(10,10,10), 255, 100, 100, 0 ,0);
if (m_target != NULL_STRING)
{
CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, m_target );
if (pTarget)
{
NDebugOverlay::Line(GetAbsOrigin(),pTarget->GetAbsOrigin(),255,100,100,true,0.0);
}
}
}
BaseClass::DrawDebugGeometryOverlays();
}