mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 06:06:50 +00:00
404 lines
12 KiB
C++
404 lines
12 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Renders a cone for spotlight entities. Only renders when the parent
|
|
// entity is selected.
|
|
//
|
|
//=============================================================================//
|
|
|
|
#include "stdafx.h"
|
|
#include "Box3D.h"
|
|
#include "fgdlib/HelperInfo.h"
|
|
#include "MapDefs.h" // dvs: For COORD_NOTINIT
|
|
#include "MapEntity.h"
|
|
#include "MapFrustum.h"
|
|
#include "Render3D.h"
|
|
#include "Material.h"
|
|
#include "materialsystem/imaterialsystem.h"
|
|
#include "TextureSystem.h"
|
|
#include "hammer.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include <tier0/memdbgon.h>
|
|
|
|
|
|
IMPLEMENT_MAPCLASS(CMapFrustum)
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Factory function. Used for creating a CMapFrustum helper from a
|
|
// set of string parameters from the FGD file.
|
|
// Input : *pInfo - Pointer to helper info class which gives us information
|
|
// about how to create the helper.
|
|
// Output : Returns a pointer to the helper, NULL if an error occurs.
|
|
//-----------------------------------------------------------------------------
|
|
CMapClass *CMapFrustum::Create(CHelperInfo *pHelperInfo, CMapEntity *pParent)
|
|
{
|
|
CMapFrustum *new1 = new CMapFrustum;
|
|
if( new1 != NULL )
|
|
{
|
|
const char *pszKeyName;
|
|
|
|
// The first parameter should be the fov key name.
|
|
pszKeyName = pHelperInfo->GetParameter(0);
|
|
if ( pszKeyName )
|
|
V_strncpy( new1->m_szFOVKeyName, pszKeyName, sizeof( new1->m_szFOVKeyName ) );
|
|
|
|
// Second parameter should be the near plane name.
|
|
pszKeyName = pHelperInfo->GetParameter(1);
|
|
if ( pszKeyName )
|
|
V_strncpy( new1->m_szNearPlaneKeyName, pszKeyName, sizeof( new1->m_szNearPlaneKeyName ) );
|
|
|
|
// Third parameter should be the far plane name.
|
|
pszKeyName = pHelperInfo->GetParameter(2);
|
|
if ( pszKeyName )
|
|
V_strncpy( new1->m_szFarPlaneKeyName, pszKeyName, sizeof( new1->m_szFarPlaneKeyName ) );
|
|
|
|
pszKeyName = pHelperInfo->GetParameter(3);
|
|
if (pszKeyName != NULL)
|
|
{
|
|
V_strncpy( new1->m_szColorKeyName, pszKeyName, sizeof( new1->m_szColorKeyName ) );
|
|
}
|
|
|
|
pszKeyName = pHelperInfo->GetParameter(4);
|
|
if (pszKeyName != NULL)
|
|
{
|
|
new1->m_flPitchScale = Q_atof( pszKeyName );
|
|
}
|
|
else
|
|
{
|
|
new1->m_flPitchScale = 1.0f;
|
|
}
|
|
}
|
|
|
|
return new1;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
CMapFrustum::CMapFrustum(void)
|
|
{
|
|
// Set default parameter names.
|
|
V_strncpy( m_szFOVKeyName, "_fov", sizeof( m_szFOVKeyName ) );
|
|
V_strncpy( m_szNearPlaneKeyName, "_NearPlane", sizeof( m_szNearPlaneKeyName ) );
|
|
V_strncpy( m_szFarPlaneKeyName, "_FarPlane", sizeof( m_szFarPlaneKeyName ) );
|
|
V_strncpy( m_szColorKeyName, "_light", sizeof( m_szColorKeyName ) );
|
|
|
|
m_flFOV = 90;
|
|
m_flNearPlane = 10;
|
|
m_flFarPlane = 200;
|
|
m_flPitchScale = -1;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Destructor. Deletes faces allocated by BuildCone.
|
|
//-----------------------------------------------------------------------------
|
|
CMapFrustum::~CMapFrustum(void)
|
|
{
|
|
for (int i = 0; i < m_Faces.Count(); i++)
|
|
{
|
|
CMapFace *pFace = m_Faces.Element(i);
|
|
delete pFace;
|
|
}
|
|
}
|
|
|
|
|
|
CMapFace* CMapFrustum::CreateMapFace( const Vector &v1, const Vector &v2, const Vector &v3, const Vector &v4, float flAlpha )
|
|
{
|
|
Assert( IsFinite(v1.x) && IsFinite(v1.y) && IsFinite(v1.z) );
|
|
|
|
Vector points[4] = {v1,v2,v3,v4};
|
|
|
|
CMapFace *pFace = new CMapFace;
|
|
pFace->SetRenderColor( r, g, b );
|
|
pFace->SetRenderAlpha( flAlpha );
|
|
pFace->CreateFace( points, 4 );
|
|
pFace->RenderUnlit(true);
|
|
|
|
return pFace;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Builds the light cone faces in local space. Does NOT call CalcBounds,
|
|
// because that CalcBounds updates the parent, which causes problems
|
|
// in the undo system.
|
|
//-----------------------------------------------------------------------------
|
|
void CMapFrustum::BuildFrustumFaces(void)
|
|
{
|
|
//
|
|
// Delete the current face list.
|
|
//
|
|
for (int i = 0; i < m_Faces.Count(); i++)
|
|
{
|
|
CMapFace *pFace = m_Faces.Element(i);
|
|
delete pFace;
|
|
}
|
|
m_Faces.RemoveAll();
|
|
|
|
|
|
// 6 total faces. 4 on the sides and 2 caps.
|
|
Vector vNearFace[4], vFarFace[4];
|
|
|
|
float flHalfFOV = m_flFOV / 2.0f;
|
|
flHalfFOV = clamp( flHalfFOV, 0.01f, 89.0f );
|
|
|
|
float flScaleFactor = tan( DEG2RAD( flHalfFOV ) );
|
|
float flBaseAlpha = 180;
|
|
|
|
vNearFace[0].Init( m_flNearPlane, -flScaleFactor*m_flNearPlane, -flScaleFactor*m_flNearPlane );
|
|
vNearFace[1].Init( m_flNearPlane, +flScaleFactor*m_flNearPlane, -flScaleFactor*m_flNearPlane );
|
|
vNearFace[2].Init( m_flNearPlane, +flScaleFactor*m_flNearPlane, +flScaleFactor*m_flNearPlane );
|
|
vNearFace[3].Init( m_flNearPlane, -flScaleFactor*m_flNearPlane, +flScaleFactor*m_flNearPlane );
|
|
|
|
vFarFace[0].Init( m_flFarPlane, -flScaleFactor*m_flFarPlane, -flScaleFactor*m_flFarPlane );
|
|
vFarFace[1].Init( m_flFarPlane, +flScaleFactor*m_flFarPlane, -flScaleFactor*m_flFarPlane );
|
|
vFarFace[2].Init( m_flFarPlane, +flScaleFactor*m_flFarPlane, +flScaleFactor*m_flFarPlane );
|
|
vFarFace[3].Init( m_flFarPlane, -flScaleFactor*m_flFarPlane, +flScaleFactor*m_flFarPlane );
|
|
|
|
// Build the near and far faces.
|
|
m_Faces.AddToTail( CreateMapFace( vNearFace[0], vNearFace[1], vNearFace[2], vNearFace[3], flBaseAlpha ) );
|
|
m_Faces.AddToTail( CreateMapFace( vFarFace[3], vFarFace[2], vFarFace[1], vFarFace[0], flBaseAlpha ) );
|
|
|
|
// Build the 4 cap faces.
|
|
for ( int i=0; i < 4; i++ )
|
|
{
|
|
m_Faces.AddToTail( CreateMapFace( vNearFace[i], vFarFace[i], vFarFace[(i+1)%4], vNearFace[(i+1)%4], flBaseAlpha ) );
|
|
}
|
|
|
|
// Also build some really translucent faces from the origin to the near plane.
|
|
float flOriginFacesAlpha = 40.0f;
|
|
for ( int i=0; i < 4; i++ )
|
|
{
|
|
m_Faces.AddToTail( CreateMapFace( Vector(0,0,0), vNearFace[i], vNearFace[(i+1)%4], Vector(0,0,0), flOriginFacesAlpha ) );
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : bFullUpdate -
|
|
//-----------------------------------------------------------------------------
|
|
void CMapFrustum::CalcBounds(BOOL bFullUpdate)
|
|
{
|
|
CMapClass::CalcBounds(bFullUpdate);
|
|
|
|
//
|
|
// HACK: Update our origin to stick to our parent.
|
|
//
|
|
if (m_pParent != NULL)
|
|
{
|
|
GetParent()->GetOrigin(m_Origin);
|
|
}
|
|
|
|
//
|
|
// Pretend to be very small for the 2D view. Won't be necessary when 2D
|
|
// rendering is done in the map classes.
|
|
//
|
|
m_Render2DBox.ResetBounds();
|
|
m_Render2DBox.UpdateBounds(m_Origin);
|
|
|
|
SetCullBoxFromFaceList( &m_Faces );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Output : CMapClass
|
|
//-----------------------------------------------------------------------------
|
|
CMapClass *CMapFrustum::Copy(bool bUpdateDependencies)
|
|
{
|
|
CMapFrustum *pCopy = new CMapFrustum;
|
|
|
|
if (pCopy != NULL)
|
|
{
|
|
pCopy->CopyFrom(this, bUpdateDependencies);
|
|
}
|
|
|
|
return(pCopy);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : pObject -
|
|
// Output : CMapClass
|
|
//-----------------------------------------------------------------------------
|
|
CMapClass *CMapFrustum::CopyFrom(CMapClass *pObject, bool bUpdateDependencies)
|
|
{
|
|
Assert(pObject->IsMapClass(MAPCLASS_TYPE(CMapFrustum)));
|
|
CMapFrustum *pFrom = (CMapFrustum *)pObject;
|
|
|
|
CMapClass::CopyFrom(pObject, bUpdateDependencies);
|
|
|
|
m_flFOV = pFrom->m_flFOV;
|
|
m_flNearPlane = pFrom->m_flNearPlane;
|
|
m_flFarPlane = pFrom->m_flFarPlane;
|
|
m_Angles = pFrom->m_Angles;
|
|
m_flPitchScale = pFrom->m_flPitchScale;
|
|
|
|
V_strncpy( m_szFOVKeyName, pFrom->m_szFOVKeyName, sizeof( m_szFOVKeyName ) );
|
|
V_strncpy( m_szNearPlaneKeyName, pFrom->m_szNearPlaneKeyName, sizeof( m_szNearPlaneKeyName ) );
|
|
V_strncpy( m_szFarPlaneKeyName, pFrom->m_szFarPlaneKeyName, sizeof( m_szFarPlaneKeyName ) );
|
|
V_strncpy( m_szColorKeyName, pFrom->m_szColorKeyName, sizeof( m_szColorKeyName ) );
|
|
|
|
BuildFrustumFaces();
|
|
|
|
return(this);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Notifies that this object's parent entity has had a key value change.
|
|
// Input : szKey - The key that changed.
|
|
// szValue - The new value of the key.
|
|
//-----------------------------------------------------------------------------
|
|
void CMapFrustum::OnParentKeyChanged(const char *szKey, const char *szValue)
|
|
{
|
|
bool bRebuild = true;
|
|
|
|
if (!stricmp(szKey, "angles"))
|
|
{
|
|
sscanf(szValue, "%f %f %f", &m_Angles[PITCH], &m_Angles[YAW], &m_Angles[ROLL]);
|
|
}
|
|
else if (!stricmp(szKey, m_szColorKeyName))
|
|
{
|
|
int nRed;
|
|
int nGreen;
|
|
int nBlue;
|
|
sscanf(szValue, "%d %d %d", &nRed, &nGreen, &nBlue);
|
|
|
|
r = nRed;
|
|
g = nGreen;
|
|
b = nBlue;
|
|
}
|
|
else if (!stricmp(szKey, m_szFOVKeyName))
|
|
{
|
|
m_flFOV = atof(szValue);
|
|
}
|
|
else if (!stricmp(szKey, m_szNearPlaneKeyName))
|
|
{
|
|
m_flNearPlane = atof(szValue);
|
|
}
|
|
else if (!stricmp(szKey, m_szFarPlaneKeyName))
|
|
{
|
|
m_flFarPlane = atof(szValue);
|
|
}
|
|
else
|
|
{
|
|
bRebuild = false;
|
|
}
|
|
|
|
if (bRebuild)
|
|
{
|
|
BuildFrustumFaces();
|
|
PostUpdate(Notify_Changed);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called after the entire map has been loaded. This allows the object
|
|
// to perform any linking with other map objects or to do other operations
|
|
// that require all world objects to be present.
|
|
// Input : pWorld - The world that we are in.
|
|
//-----------------------------------------------------------------------------
|
|
void CMapFrustum::PostloadWorld(CMapWorld *pWorld)
|
|
{
|
|
CMapClass::PostloadWorld(pWorld);
|
|
|
|
BuildFrustumFaces();
|
|
CalcBounds();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : pRender -
|
|
//-----------------------------------------------------------------------------
|
|
void CMapFrustum::Render3D(CRender3D *pRender)
|
|
{
|
|
if (m_pParent->IsSelected())
|
|
{
|
|
CMatRenderContextPtr pRenderContext( MaterialSystemInterface() );
|
|
pRenderContext->MatrixMode(MATERIAL_MODEL);
|
|
pRenderContext->PushMatrix();
|
|
|
|
pRenderContext->Translate(m_Origin[0], m_Origin[1], m_Origin[2]);
|
|
|
|
QAngle Angles;
|
|
GetAngles(Angles);
|
|
|
|
pRenderContext->Rotate(Angles[YAW], 0, 0, 1);
|
|
pRenderContext->Rotate(m_flPitchScale * Angles[PITCH], 0, -1, 0);
|
|
pRenderContext->Rotate(Angles[ROLL], 1, 0, 0);
|
|
|
|
if (
|
|
(pRender->GetCurrentRenderMode() != RENDER_MODE_LIGHT_PREVIEW2) &&
|
|
(pRender->GetCurrentRenderMode() != RENDER_MODE_LIGHT_PREVIEW_RAYTRACED) &&
|
|
(GetSelectionState() != SELECT_MODIFY )
|
|
)
|
|
{
|
|
// Render the cone faces flatshaded.
|
|
pRender->PushRenderMode( RENDER_MODE_TRANSLUCENT_FLAT );
|
|
|
|
for (int i = 0; i < m_Faces.Count(); i++)
|
|
{
|
|
CMapFace *pFace = m_Faces.Element(i);
|
|
pFace->Render3D(pRender);
|
|
}
|
|
|
|
pRender->PopRenderMode();
|
|
}
|
|
|
|
//
|
|
// Render the cone faces in yellow wireframe (on top)
|
|
//
|
|
pRender->PushRenderMode( RENDER_MODE_WIREFRAME );
|
|
|
|
for (int i = 0; i < m_Faces.Count(); i++)
|
|
{
|
|
CMapFace *pFace = m_Faces.Element(i);
|
|
pFace->Render3D(pRender);
|
|
}
|
|
|
|
//
|
|
// Restore the default rendering mode.
|
|
//
|
|
pRender->PopRenderMode();
|
|
|
|
pRenderContext->PopMatrix();
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : File -
|
|
// bRMF -
|
|
// Output : int
|
|
//-----------------------------------------------------------------------------
|
|
int CMapFrustum::SerializeRMF(std::fstream &File, BOOL bRMF)
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : File -
|
|
// bRMF -
|
|
// Output : int
|
|
//-----------------------------------------------------------------------------
|
|
int CMapFrustum::SerializeMAP(std::fstream &File, BOOL bRMF)
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
|
|
void CMapFrustum::GetAngles(QAngle& Angles)
|
|
{
|
|
Angles = m_Angles;
|
|
}
|
|
|