d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
551 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 29985681a1
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '29985681a1'
${ noResults }
source-engine/game/client/portal/c_func_liquidportal.cpp

630 lines
22 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Rising liquid that acts as a one-way portal
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "c_func_liquidportal.h"
#include "debugoverlay_shared.h"
#include "view_scene.h"
#include "view.h"
#include "ScreenSpaceEffects.h"
#include "materialsystem/imaterialvar.h"
LINK_ENTITY_TO_CLASS( func_liquidportal, C_Func_LiquidPortal );
IMPLEMENT_CLIENTCLASS_DT( C_Func_LiquidPortal, DT_Func_LiquidPortal, CFunc_LiquidPortal )
RecvPropEHandle( RECVINFO(m_hLinkedPortal) ),
RecvPropFloat( RECVINFO(m_fFillStartTime) ),
RecvPropFloat( RECVINFO(m_fFillEndTime) ),
END_RECV_TABLE()
#define LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( vertnum, xtexbase, xtexscale, ytexbase, ytexscale )\
meshBuilder.Position3fv( &vVertices[vertnum].x );\
meshBuilder.TexCoord2f( 0, vVertices[vertnum].xtexbase * xtexscale, vVertices[vertnum].ytexbase * ytexscale );\
meshBuilder.AdvanceVertex();
C_Func_LiquidPortal::C_Func_LiquidPortal( void )
{
g_pPortalRender->AddPortal( this );
}
C_Func_LiquidPortal::~C_Func_LiquidPortal( void )
{
g_pPortalRender->RemovePortal( this );
}
int C_Func_LiquidPortal::DrawModel( int flags )
{
if( IsFillingNow() )
{
DrawPortal();
return 1;
}
return 0;
}
void C_Func_LiquidPortal::OnDataChanged( DataUpdateType_t updateType )
{
GetRenderBoundsWorldspace( m_vAABBMins, m_vAABBMaxs );
m_pLinkedPortal = m_hLinkedPortal.Get();
ComputeLinkMatrix();
UpdateBoundingPlanes();
}
void C_Func_LiquidPortal::ComputeLinkMatrix( void )
{
C_Func_LiquidPortal *pLinkedPortal = m_hLinkedPortal.Get();
if( pLinkedPortal )
{
VMatrix matLocalToWorld, matLocalToWorldInv, matRemoteToWorld;
//matLocalToWorld.Identity();
//matLocalToWorld.SetTranslation( CollisionProp()->WorldSpaceCenter() );
matLocalToWorld = EntityToWorldTransform();
//matRemoteToWorld.Identity();
//matRemoteToWorld.SetTranslation( pLinkedPortal->CollisionProp()->WorldSpaceCenter() );
matRemoteToWorld = pLinkedPortal->EntityToWorldTransform();
MatrixInverseTR( matLocalToWorld, matLocalToWorldInv );
m_matrixThisToLinked = matRemoteToWorld * matLocalToWorldInv;
MatrixInverseTR( m_matrixThisToLinked, pLinkedPortal->m_matrixThisToLinked );
}
else
{
m_matrixThisToLinked.Identity();
}
}
void CPortalRenderable_Func_LiquidPortal::UpdateBoundingPlanes( void )
{
//x min
m_fBoundingPlanes[0][0] = 1.0f;
m_fBoundingPlanes[0][1] = 0.0f;
m_fBoundingPlanes[0][2] = 0.0f;
m_fBoundingPlanes[0][3] = m_vAABBMins.x;
//x max
m_fBoundingPlanes[1][0] = -1.0f;
m_fBoundingPlanes[1][1] = 0.0f;
m_fBoundingPlanes[1][2] = 0.0f;
m_fBoundingPlanes[1][3] = -m_vAABBMaxs.x;
//y min
m_fBoundingPlanes[2][0] = 0.0f;
m_fBoundingPlanes[2][1] = 1.0f;
m_fBoundingPlanes[2][2] = 0.0f;
m_fBoundingPlanes[2][3] = m_vAABBMins.y;
//y max
m_fBoundingPlanes[3][0] = 0.0f;
m_fBoundingPlanes[3][1] = -1.0f;
m_fBoundingPlanes[3][2] = 0.0f;
m_fBoundingPlanes[3][3] = -m_vAABBMaxs.y;
//z min
m_fBoundingPlanes[4][0] = 0.0f;
m_fBoundingPlanes[4][1] = 0.0f;
m_fBoundingPlanes[4][2] = 1.0f;
m_fBoundingPlanes[4][3] = m_vAABBMins.z;
//z max is too variable to store
}
void CPortalRenderable_Func_LiquidPortal::DrawPreStencilMask( void )
{
// Should we do something here like flatbasic?
}
void CPortalRenderable_Func_LiquidPortal::DrawStencilMask( void )
{
DrawOutwardBox( g_pPortalRender->m_MaterialsAccess.m_WriteZ_Model );
DrawInnerLiquid( true, 1.0f, g_pPortalRender->m_MaterialsAccess.m_WriteZ_Model );
}
void CPortalRenderable_Func_LiquidPortal::DrawPostStencilFixes( void )
{
DrawOutwardBox( g_pPortalRender->m_MaterialsAccess.m_WriteZ_Model );
DrawInnerLiquid( true, 1.0f, g_pPortalRender->m_MaterialsAccess.m_WriteZ_Model );
}
void CPortalRenderable_Func_LiquidPortal::RenderPortalViewToBackBuffer( CViewRender *pViewRender, const CViewSetup &cameraView )
{
if( m_pLinkedPortal == NULL ) //not linked to any portal
return;
Frustum FrustumBackup;
memcpy( FrustumBackup, pViewRender->GetFrustum(), sizeof( Frustum ) );
Frustum seeThroughFrustum;
bool bUseSeeThroughFrustum;
if ( g_pPortalRender->GetViewRecursionLevel() == 0 )
{
bUseSeeThroughFrustum = CalcFrustumThroughPortal( cameraView.origin, seeThroughFrustum, pViewRender->GetFrustum(), FRUSTUM_NUMPLANES );
}
else
{
bUseSeeThroughFrustum = CalcFrustumThroughPortal( cameraView.origin, seeThroughFrustum );
}
Vector vCameraForward;
AngleVectors( cameraView.angles, &vCameraForward, NULL, NULL );
// Setup fog state for the camera.
Vector ptPOVOrigin = m_matrixThisToLinked * cameraView.origin;
Vector vPOVForward = m_matrixThisToLinked.ApplyRotation( vCameraForward );
CViewSetup portalView = cameraView;
QAngle qPOVAngles = TransformAnglesToWorldSpace( cameraView.angles, m_matrixThisToLinked.As3x4() );
portalView.width = cameraView.width;
portalView.height = cameraView.height;
portalView.x = 0;
portalView.y = 0;
portalView.origin = ptPOVOrigin;
portalView.angles = qPOVAngles;
portalView.fov = cameraView.fov;
portalView.m_bOrtho = false;
portalView.m_flAspectRatio = cameraView.m_flAspectRatio; //use the screen aspect ratio, 0.0f doesn't work as advertised
CopyToCurrentView( pViewRender, portalView );
CMatRenderContextPtr pRenderContext( materials );
{
ViewCustomVisibility_t customVisibility;
m_pLinkedPortal->AddToVisAsExitPortal( &customVisibility );
render->Push3DView( portalView, 0, NULL, pViewRender->GetFrustum() );
{
if( bUseSeeThroughFrustum)
memcpy( pViewRender->GetFrustum(), seeThroughFrustum, sizeof( Frustum ) );
render->OverrideViewFrustum( pViewRender->GetFrustum() );
SetViewRecursionLevel( g_pPortalRender->GetViewRecursionLevel() + 1 );
CPortalRenderable *pRenderingViewForPortalBackup = g_pPortalRender->GetCurrentViewEntryPortal();
CPortalRenderable *pRenderingViewExitPortalBackup = g_pPortalRender->GetCurrentViewExitPortal();
SetViewEntranceAndExitPortals( this, m_pLinkedPortal );
//DRAW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ViewDrawScene_PortalStencil( pViewRender, portalView, &customVisibility );
SetViewEntranceAndExitPortals( pRenderingViewForPortalBackup, pRenderingViewExitPortalBackup );
SetViewRecursionLevel( g_pPortalRender->GetViewRecursionLevel() - 1 );
}
render->PopView( pViewRender->GetFrustum() );
//restore old frustum
memcpy( pViewRender->GetFrustum(), FrustumBackup, sizeof( Frustum ) );
render->OverrideViewFrustum( FrustumBackup );
}
//restore old vis data
CopyToCurrentView( pViewRender, cameraView );
}
void CPortalRenderable_Func_LiquidPortal::RenderPortalViewToTexture( CViewRender *pViewRender, const CViewSetup &cameraView )
{
}
void CPortalRenderable_Func_LiquidPortal::AddToVisAsExitPortal( ViewCustomVisibility_t *pCustomVisibility )
{
if ( !pCustomVisibility )
return;
VisOverrideData_t visOverride;
Vector vOrigin = (m_vAABBMins + m_vAABBMaxs) * 0.5f;
visOverride.m_vecVisOrigin = vOrigin;
visOverride.m_fDistToAreaPortalTolerance = 64.0f;
// Specify which leaf to use for area portal culling
pCustomVisibility->ForceVisOverride( visOverride );
pCustomVisibility->ForceViewLeaf( enginetrace->GetLeafContainingPoint( vOrigin ) );
pCustomVisibility->AddVisOrigin( vOrigin );
}
bool CPortalRenderable_Func_LiquidPortal::DoesExitViewIntersectWaterPlane( float waterZ, int leafWaterDataID ) const
{
return ((m_vAABBMins.z < waterZ) && (m_vAABBMaxs.z > waterZ));
}
SkyboxVisibility_t CPortalRenderable_Func_LiquidPortal::SkyBoxVisibleFromPortal( void )
{
return SKYBOX_NOT_VISIBLE;
}
bool CPortalRenderable_Func_LiquidPortal::CalcFrustumThroughPortal( const Vector &ptCurrentViewOrigin, Frustum OutputFrustum, const VPlane *pInputFrustum, int iInputFrustumPlaneCount )
{
return false;
}
const Vector& CPortalRenderable_Func_LiquidPortal::GetFogOrigin( void ) const
{
return vec3_origin;
}
void CPortalRenderable_Func_LiquidPortal::ShiftFogForExitPortalView() const
{
}
bool CPortalRenderable_Func_LiquidPortal::ShouldUpdatePortalView_BasedOnView( const CViewSetup &currentView, Frustum currentFrustum )
{
//return false;
return IsFillingNow();
}
CPortalRenderable* CPortalRenderable_Func_LiquidPortal::GetLinkedPortal() const
{
return m_pLinkedPortal;
}
bool CPortalRenderable_Func_LiquidPortal::ShouldUpdateDepthDoublerTexture( const CViewSetup &viewSetup )
{
return false;
}
void CPortalRenderable_Func_LiquidPortal::DrawPortal( void )
{
if( IsFillingNow() )
{
//"shadertest/gooinglass"
//"glass/glasswindow_refract01"
//IMaterial *pMaterial = materials->FindMaterial( "glass/glasswindow_refract01", TEXTURE_GROUP_OTHER );
//UpdateFrontBufferTexturesForMaterial( (IMaterial *)pMaterial );
DrawOutwardBox();
//DrawInnerLiquid( pMaterial );
//DrawInwardBox( pMaterial );
}
}
void CPortalRenderable_Func_LiquidPortal::GetToolRecordingState( bool bActive, KeyValues *msg )
{
}
void CPortalRenderable_Func_LiquidPortal::HandlePortalPlaybackMessage( KeyValues *pKeyValues )
{
}
void CPortalRenderable_Func_LiquidPortal::DrawOutwardBox( const IMaterial *pMaterial )
{
if( pMaterial == NULL )
pMaterial = materials->FindMaterial( "glass/glasswindow_refract01", TEXTURE_GROUP_OTHER );
const float fVerticalTextureScale = 1.0f / 100.0f;
const float fHorizontalTextureScale = 1.0f / 100.0f;
float fMaxZ = m_vAABBMins.z + ((m_vAABBMaxs.z - m_vAABBMins.z) * GetFillInterpolationAmount());
Vector vVertices[8];
for( int i = 0; i != 8; ++i )
{
vVertices[i].x = (i&(1<<0)) ? m_vAABBMaxs.x : m_vAABBMins.x;
vVertices[i].y = (i&(1<<1)) ? m_vAABBMaxs.y : m_vAABBMins.y;
vVertices[i].z = (i&(1<<2)) ? fMaxZ : m_vAABBMins.z;
}
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->Bind( (IMaterial *)pMaterial, (CPortalRenderable_Func_LiquidPortal*)this );
CMeshBuilder meshBuilder;
IMesh* pMesh = pRenderContext->GetDynamicMesh( false );
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 6 );
//x min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
//x max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
//y min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
//y max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
//z min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, x, fHorizontalTextureScale, y, fVerticalTextureScale );
//z max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, x, fHorizontalTextureScale, y, fVerticalTextureScale );
meshBuilder.End();
pMesh->Draw();
pRenderContext->Flush( false );
}
void CPortalRenderable_Func_LiquidPortal::DrawInwardBox( const IMaterial *pMaterial )
{
if( pMaterial == NULL )
pMaterial = materials->FindMaterial( "glass/glasswindow_refract01", TEXTURE_GROUP_OTHER );
const float fVerticalTextureScale = 1.0f / 100.0f;
const float fHorizontalTextureScale = 1.0f / 100.0f;
float fMaxZ = m_vAABBMins.z + ((m_vAABBMaxs.z - m_vAABBMins.z) * GetFillInterpolationAmount());
Vector vVertices[8];
for( int i = 0; i != 8; ++i )
{
vVertices[i].x = (i&(1<<0)) ? m_vAABBMaxs.x : m_vAABBMins.x;
vVertices[i].y = (i&(1<<1)) ? m_vAABBMaxs.y : m_vAABBMins.y;
vVertices[i].z = (i&(1<<2)) ? fMaxZ : m_vAABBMins.z;
}
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->Bind( (IMaterial *)pMaterial, (CPortalRenderable_Func_LiquidPortal*)this );
CMeshBuilder meshBuilder;
IMesh* pMesh = pRenderContext->GetDynamicMesh( false );
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 6 );
//x min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
//x max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, y, fHorizontalTextureScale, z, -fVerticalTextureScale );
//y min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
//y max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, x, fHorizontalTextureScale, z, -fVerticalTextureScale );
//z min
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 0, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 2, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 3, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 1, x, fHorizontalTextureScale, y, fVerticalTextureScale );
//z max
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 5, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 7, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 6, x, fHorizontalTextureScale, y, fVerticalTextureScale );
LIQUIDPORTAL_DYNAMICMESH_BOX_ADDVERTEX( 4, x, fHorizontalTextureScale, y, fVerticalTextureScale );
meshBuilder.End();
pMesh->Draw();
pRenderContext->Flush( false );
}
void CPortalRenderable_Func_LiquidPortal::DrawInnerLiquid( bool bClipToBounds, float fOpacity, const IMaterial *pMaterial ) //quads in front of camera clipped to box dimensions
{
if( !IsFillingNow() && bClipToBounds )
return;
PortalMeshPoint_t WorkVertices[4];
//view->GetViewSetup()->zNear;
Vector vForward, vUp, vRight, vOrigin;
vForward = CurrentViewForward();
vUp = CurrentViewUp();
vRight = CurrentViewRight();
//vOrigin = CurrentViewOrigin() + vForward * (view->GetViewSetup()->zNear + 0.011f); //experimentation has shown this to be the optimal distance on the Nvidia 6800 cards we develop on
vOrigin = CurrentViewOrigin() + vForward * (view->GetViewSetup()->zNear + 1.0f );
const float fScalingAmount = 5.0f;
WorkVertices[0].texCoord.x = fScalingAmount;
WorkVertices[0].texCoord.y = fScalingAmount;
WorkVertices[1].texCoord.x = fScalingAmount;
WorkVertices[1].texCoord.y = 0.0f;
WorkVertices[2].texCoord.x = 0.0f;
WorkVertices[2].texCoord.y = 0.0f;
WorkVertices[3].texCoord.x = 0.0f;
WorkVertices[3].texCoord.y = fScalingAmount;
WorkVertices[0].vWorldSpacePosition = vOrigin + (vRight * 40.0f) + (vUp * -40.0f);
WorkVertices[1].vWorldSpacePosition = vOrigin + (vRight * 40.0f) + (vUp * 40.0f);
WorkVertices[2].vWorldSpacePosition = vOrigin + (vRight * -40.0f) + (vUp * 40.0f);
WorkVertices[3].vWorldSpacePosition = vOrigin + (vRight * -40.0f) + (vUp * -40.0f);
PortalMeshPoint_t *pInVerts = (PortalMeshPoint_t *)stackalloc( 4 * (6) * 2 * sizeof( PortalMeshPoint_t ) ); //really only should need 2x points, but I'm paranoid
PortalMeshPoint_t *pOutVerts = (PortalMeshPoint_t *)stackalloc( 4 * (6) * 2 * sizeof( PortalMeshPoint_t ) );
PortalMeshPoint_t *pFinalVerts;
int iVertCount;
if( bClipToBounds )
{
PortalMeshPoint_t *pTempVerts;
//clip by first plane and put output into pInVerts
iVertCount = ClipPolyToPlane_LerpTexCoords( WorkVertices, 4, pInVerts, Vector( 0.0f, 0.0f, -1.0f ), -(m_vAABBMins.z + ((m_vAABBMaxs.z - m_vAABBMins.z) * GetFillInterpolationAmount())), 0.01f );
//clip by other planes and flipflop in and out pointers
for( int i = 0; i != 5; ++i )
{
if( iVertCount < 3 )
return; //nothing to draw
iVertCount = ClipPolyToPlane_LerpTexCoords( pInVerts, iVertCount, pOutVerts, *(Vector *)m_fBoundingPlanes[i], m_fBoundingPlanes[i][3], 0.01f );
pTempVerts = pInVerts; pInVerts = pOutVerts; pOutVerts = pTempVerts; //swap vertex pointers
}
if( iVertCount < 3 )
return; //nothing to draw
pFinalVerts = pInVerts;
}
else
{
pFinalVerts = WorkVertices;
iVertCount = 4;
}
bool bInterpOpacity = false;
if( pMaterial == NULL )
{
pMaterial = materials->FindMaterial( "glass/glasswindow_refract01", TEXTURE_GROUP_OTHER );
bInterpOpacity = ( fOpacity != 1.0f );
}
if( bInterpOpacity )
{
IMaterial *pEditMaterial = (IMaterial *)pMaterial; //we'll be making changes, then changing it back
IMaterialVar *pRefractAmount = pEditMaterial->FindVar( "$refractamount", NULL );
IMaterialVar *pBlurAmount = pEditMaterial->FindVar( "$bluramount", NULL );
IMaterialVar *pTint = pEditMaterial->FindVar( "$refracttint", NULL );
float fOriginalRefractAmount = pRefractAmount->GetFloatValue();
float fOriginalBlurAmount = pBlurAmount->GetFloatValue();
Vector4D vOriginalTint;
pTint->GetVecValue( &vOriginalTint.x, 4 );
Vector4D vModdedTint = vOriginalTint;
pRefractAmount->SetFloatValue( fOriginalRefractAmount * fOpacity );
pBlurAmount->SetFloatValue( fOriginalBlurAmount * fOpacity );
vModdedTint.x = 1.0f - ((1.0f - vOriginalTint.x) * fOpacity);
vModdedTint.y = 1.0f - ((1.0f - vOriginalTint.y) * fOpacity);
vModdedTint.z = 1.0f - ((1.0f - vOriginalTint.z) * fOpacity);
pTint->SetVecValue( &vModdedTint.x, 4 );
Clip_And_Render_Convex_Polygon( pFinalVerts, iVertCount, pEditMaterial, this );
materials->Flush();
pRefractAmount->SetFloatValue( fOriginalRefractAmount );
pBlurAmount->SetFloatValue( fOriginalBlurAmount );
pTint->SetVecValue( &vOriginalTint.x, 4 );
}
else
{
Clip_And_Render_Convex_Polygon( pFinalVerts, iVertCount, pMaterial, this );
}
}
ADD_SCREENSPACE_EFFECT( CLiquidPortal_InnerLiquidEffect, LiquidPortal_InnerLiquid );
const float CLiquidPortal_InnerLiquidEffect::s_fFadeBackEffectTime = 5.0f;
CLiquidPortal_InnerLiquidEffect::CLiquidPortal_InnerLiquidEffect( void )
: m_bEnable(true),
m_pImmersionPortal(NULL),
m_bFadeBackToReality(false),
m_fFadeBackTimeLeft(0.0f)
{
}
void CLiquidPortal_InnerLiquidEffect::SetParameters( KeyValues *params )
{
/*KeyValues *pImmersionPortal = params->FindKey( "immersion_portal" );
if( pImmersionPortal )
m_pImmersionPortal = (C_Func_LiquidPortal *)pImmersionPortal->GetPtr();*/
}
void CLiquidPortal_InnerLiquidEffect::Render( int x, int y, int w, int h )
{
if( !m_pImmersionPortal || !m_bEnable )
return;
if( m_bFadeBackToReality )
{
//effect should cover whole screen and have a alpha-like fade back to normal view
m_fFadeBackTimeLeft -= gpGlobals->absoluteframetime;
if( m_fFadeBackTimeLeft > 0.0f )
{
float fInterp = m_fFadeBackTimeLeft/s_fFadeBackEffectTime;
//clear depth buffer so we can be all warpy on the view model too
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->ClearBuffers( false, true, false );
pRenderContext->OverrideDepthEnable( true, false );
m_pImmersionPortal->DrawInnerLiquid( false, fInterp );
pRenderContext->OverrideDepthEnable( false, true );
}
else
{
m_bFadeBackToReality = false;
m_pImmersionPortal = NULL;
}
}
else
{
//effect should only cover a portion of the screen and be in full warpiness
//clear depth buffer so we can be all warpy on the view model too
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->ClearBuffers( false, true, false );
pRenderContext->OverrideDepthEnable( true, false );
m_pImmersionPortal->DrawInnerLiquid();
pRenderContext->OverrideDepthEnable( false, true );
}
}