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hl2sdk/dlls/fogcontroller.cpp
2008-09-15 01:33:59 -05:00

404 lines
12 KiB
C++

//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: Definitions of all the entities that control logic flow within a map
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "entityinput.h"
#include "entityoutput.h"
#include "eventqueue.h"
#include "player.h"
#include "world.h"
#include "ndebugoverlay.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// Purpose: Compares a set of integer inputs to the one main input
// Outputs true if they are all equivalant, false otherwise
//-----------------------------------------------------------------------------
class CFogController : public CLogicalEntity
{
public:
DECLARE_CLASS( CFogController, CLogicalEntity );
CFogController();
~CFogController();
// Parse data from a map file
virtual void Activate( );
// Input handlers
void InputSetStartDist(inputdata_t &data);
void InputSetEndDist(inputdata_t &data);
void InputTurnOn(inputdata_t &data);
void InputTurnOff(inputdata_t &data);
void InputSetColor(inputdata_t &data);
void InputSetColorSecondary(inputdata_t &data);
void InputSetFarZ( inputdata_t &data );
void InputSetAngles( inputdata_t &inputdata );
void InputSetColorLerpTo(inputdata_t &data);
void InputSetColorSecondaryLerpTo(inputdata_t &data);
void InputSetStartDistLerpTo(inputdata_t &data);
void InputSetEndDistLerpTo(inputdata_t &data);
void InputStartFogTransition(inputdata_t &data);
int DrawDebugTextOverlays(void);
void SetLerpValues( void );
void Spawn( void );
DECLARE_DATADESC();
public:
fogparams_t m_fog;
bool m_bUseAngles;
int m_iChangedVariables;
static CFogController *s_pFogController;
};
CFogController *CFogController::s_pFogController = NULL;
LINK_ENTITY_TO_CLASS( env_fog_controller, CFogController );
BEGIN_DATADESC( CFogController )
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetStartDist", InputSetStartDist ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetEndDist", InputSetEndDist ),
DEFINE_INPUTFUNC( FIELD_VOID, "TurnOn", InputTurnOn ),
DEFINE_INPUTFUNC( FIELD_VOID, "TurnOff", InputTurnOff ),
DEFINE_INPUTFUNC( FIELD_COLOR32, "SetColor", InputSetColor ),
DEFINE_INPUTFUNC( FIELD_COLOR32, "SetColorSecondary", InputSetColorSecondary ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetFarZ", InputSetFarZ ),
DEFINE_INPUTFUNC( FIELD_STRING, "SetAngles", InputSetAngles ),
DEFINE_INPUTFUNC( FIELD_COLOR32, "SetColorLerpTo", InputSetColorLerpTo ),
DEFINE_INPUTFUNC( FIELD_COLOR32, "SetColorSecondaryLerpTo", InputSetColorSecondaryLerpTo ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetStartDistLerpTo", InputSetStartDistLerpTo ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetEndDistLerpTo", InputSetEndDistLerpTo ),
DEFINE_INPUTFUNC( FIELD_VOID, "StartFogTransition", InputStartFogTransition ),
// Quiet classcheck
//DEFINE_EMBEDDED( m_fog ),
DEFINE_KEYFIELD( m_bUseAngles, FIELD_BOOLEAN, "use_angles" ),
DEFINE_KEYFIELD( m_fog.colorPrimary, FIELD_COLOR32, "fogcolor" ),
DEFINE_KEYFIELD( m_fog.colorSecondary, FIELD_COLOR32, "fogcolor2" ),
DEFINE_KEYFIELD( m_fog.dirPrimary, FIELD_VECTOR, "fogdir" ),
DEFINE_KEYFIELD( m_fog.enable, FIELD_BOOLEAN, "fogenable" ),
DEFINE_KEYFIELD( m_fog.blend, FIELD_BOOLEAN, "fogblend" ),
DEFINE_KEYFIELD( m_fog.start, FIELD_FLOAT, "fogstart" ),
DEFINE_KEYFIELD( m_fog.end, FIELD_FLOAT, "fogend" ),
DEFINE_KEYFIELD( m_fog.farz, FIELD_FLOAT, "farz" ),
DEFINE_KEYFIELD( m_fog.duration, FIELD_FLOAT, "foglerptime" ),
DEFINE_THINKFUNC( SetLerpValues ),
DEFINE_FIELD( m_iChangedVariables, FIELD_INTEGER ),
DEFINE_FIELD( m_fog.lerptime, FIELD_TIME ),
DEFINE_FIELD( m_fog.colorPrimaryLerpTo, FIELD_COLOR32 ),
DEFINE_FIELD( m_fog.colorSecondaryLerpTo, FIELD_COLOR32 ),
DEFINE_FIELD( m_fog.startLerpTo, FIELD_FLOAT ),
DEFINE_FIELD( m_fog.endLerpTo, FIELD_FLOAT ),
END_DATADESC()
CFogController::CFogController()
{
// Make sure that old maps without fog fields don't get wacked out fog values.
m_fog.enable = false;
if ( s_pFogController )
{
// There should only be one fog controller in the level. Not a fatal error, but
// the level designer should fix it.
Warning( "Found multiple fog controllers in the same level.\n" );
}
else
{
s_pFogController = this;
}
}
CFogController::~CFogController()
{
if ( s_pFogController == this )
{
s_pFogController = NULL;
}
else
{
// There should only be one fog controller in the level. Not a fatal error, but
// the level designer should fix it.
Warning( "Found multiple fog controllers in the same level.\n" );
}
}
void CFogController::Spawn( void )
{
BaseClass::Spawn();
m_fog.colorPrimaryLerpTo = m_fog.colorPrimary;
m_fog.colorSecondaryLerpTo = m_fog.colorSecondary;
}
//-----------------------------------------------------------------------------
// Activate!
//-----------------------------------------------------------------------------
void CFogController::Activate( )
{
BaseClass::Activate();
if ( m_bUseAngles )
{
AngleVectors( GetAbsAngles(), &m_fog.dirPrimary.GetForModify() );
m_fog.dirPrimary.GetForModify() *= -1.0f;
}
}
//------------------------------------------------------------------------------
// Purpose: Input handler for setting the fog start distance.
//------------------------------------------------------------------------------
void CFogController::InputSetStartDist(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.start = inputdata.value.Float();
}
//------------------------------------------------------------------------------
// Purpose: Input handler for setting the fog end distance.
//------------------------------------------------------------------------------
void CFogController::InputSetEndDist(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.end = inputdata.value.Float();
}
//------------------------------------------------------------------------------
// Purpose: Input handler for turning on the fog.
//------------------------------------------------------------------------------
void CFogController::InputTurnOn(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.enable = true;
}
//------------------------------------------------------------------------------
// Purpose: Input handler for turning off the fog.
//------------------------------------------------------------------------------
void CFogController::InputTurnOff(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.enable = false;
}
//------------------------------------------------------------------------------
// Purpose: Input handler for setting the primary fog color.
//------------------------------------------------------------------------------
void CFogController::InputSetColor(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.colorPrimary = inputdata.value.Color32();
}
//------------------------------------------------------------------------------
// Purpose: Input handler for setting the secondary fog color.
//------------------------------------------------------------------------------
void CFogController::InputSetColorSecondary(inputdata_t &inputdata)
{
// Get the world entity.
m_fog.colorSecondary = inputdata.value.Color32();
}
void CFogController::InputSetFarZ(inputdata_t &inputdata)
{
m_fog.farz = inputdata.value.Int();
}
//------------------------------------------------------------------------------
// Purpose: Sets the angles to use for the secondary fog direction.
//------------------------------------------------------------------------------
void CFogController::InputSetAngles( inputdata_t &inputdata )
{
const char *pAngles = inputdata.value.String();
QAngle angles;
UTIL_StringToVector( angles.Base(), pAngles );
Vector vTemp;
AngleVectors( angles, &vTemp );
SetAbsAngles( angles );
AngleVectors( GetAbsAngles(), &m_fog.dirPrimary.GetForModify() );
m_fog.dirPrimary.GetForModify() *= -1.0f;
}
//-----------------------------------------------------------------------------
// Purpose: Draw any debug text overlays
// Output : Current text offset from the top
//-----------------------------------------------------------------------------
int CFogController::DrawDebugTextOverlays(void)
{
int text_offset = BaseClass::DrawDebugTextOverlays();
if (m_debugOverlays & OVERLAY_TEXT_BIT)
{
char tempstr[512];
Q_snprintf(tempstr,sizeof(tempstr),"State: %s",(m_fog.enable)?"On":"Off");
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"Start: %3.0f",m_fog.start);
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"End : %3.0f",m_fog.end);
EntityText(text_offset,tempstr,0);
text_offset++;
color32 color = m_fog.colorPrimary;
Q_snprintf(tempstr,sizeof(tempstr),"1) Red : %i",color.r);
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"1) Green: %i",color.g);
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"1) Blue : %i",color.b);
EntityText(text_offset,tempstr,0);
text_offset++;
color = m_fog.colorSecondary;
Q_snprintf(tempstr,sizeof(tempstr),"2) Red : %i",color.r);
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"2) Green: %i",color.g);
EntityText(text_offset,tempstr,0);
text_offset++;
Q_snprintf(tempstr,sizeof(tempstr),"2) Blue : %i",color.b);
EntityText(text_offset,tempstr,0);
text_offset++;
}
return text_offset;
}
#define FOG_CONTROLLER_COLORPRIMARY_LERP 1
#define FOG_CONTROLLER_COLORSECONDARY_LERP 2
#define FOG_CONTROLLER_START_LERP 4
#define FOG_CONTROLLER_END_LERP 8
void CFogController::InputSetColorLerpTo(inputdata_t &data)
{
m_iChangedVariables |= FOG_CONTROLLER_COLORPRIMARY_LERP;
m_fog.colorPrimaryLerpTo = data.value.Color32();
}
void CFogController::InputSetColorSecondaryLerpTo(inputdata_t &data)
{
m_iChangedVariables |= FOG_CONTROLLER_COLORSECONDARY_LERP;
m_fog.colorSecondaryLerpTo = data.value.Color32();
}
void CFogController::InputSetStartDistLerpTo(inputdata_t &data)
{
m_iChangedVariables |= FOG_CONTROLLER_START_LERP;
m_fog.startLerpTo = data.value.Float();
}
void CFogController::InputSetEndDistLerpTo(inputdata_t &data)
{
m_iChangedVariables |= FOG_CONTROLLER_END_LERP;
m_fog.endLerpTo = data.value.Float();
}
void CFogController::InputStartFogTransition(inputdata_t &data)
{
SetThink( &CFogController::SetLerpValues );
m_fog.lerptime = gpGlobals->curtime + m_fog.duration + 0.1;
SetNextThink( gpGlobals->curtime + m_fog.duration );
}
void CFogController::SetLerpValues( void )
{
if ( m_iChangedVariables & FOG_CONTROLLER_COLORPRIMARY_LERP )
{
m_fog.colorPrimary = m_fog.colorPrimaryLerpTo;
}
if ( m_iChangedVariables & FOG_CONTROLLER_COLORSECONDARY_LERP )
{
m_fog.colorSecondary = m_fog.colorSecondaryLerpTo;
}
if ( m_iChangedVariables & FOG_CONTROLLER_START_LERP )
{
m_fog.start = m_fog.startLerpTo;
}
if ( m_iChangedVariables & FOG_CONTROLLER_END_LERP )
{
m_fog.end = m_fog.endLerpTo;
}
m_iChangedVariables = 0;
m_fog.lerptime = gpGlobals->curtime;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fogEnable -
// fogColorPrimary -
// fogColorSecondary -
// fogDirPrimary -
// fogStart -
// fogEnd -
//-----------------------------------------------------------------------------
bool GetWorldFogParams( fogparams_t &fog )
{
if ( CFogController::s_pFogController )
{
if ( Q_memcmp( &fog, CFogController::s_pFogController, sizeof(fog) ))
{
fog = CFogController::s_pFogController->m_fog;
return true;
}
}
else
{
if ( fog.farz != -1 || fog.enable != false )
{
// No fog controller in this level. Use default fog parameters.
fog.farz = -1;
fog.enable = false;
return true;
}
}
return false;
}