sqwarmed/sdk_src/game/client/c_vguiscreen.cpp

873 lines
26 KiB
C++

//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose:
//
// $NoKeywords: $
//===========================================================================//
#include "cbase.h"
#include "networkstringtable_clientdll.h"
#include <KeyValues.h>
#include "PanelMetaClassMgr.h"
#include <vgui_controls/Controls.h>
#include "mathlib/VMatrix.h"
#include "VGUIMatSurface/IMatSystemSurface.h"
#include "view.h"
#include "CollisionUtils.h"
#include <vgui/IInput.h>
#include <vgui/IPanel.h>
#include <vgui/IVGui.h>
#include "ienginevgui.h"
#include "in_buttons.h"
#include <vgui/Mousecode.h>
#include "materialsystem/IMesh.h"
#include "precache_register.h"
#include "C_VGuiScreen.h"
#include "IClientMode.h"
#include "vgui_bitmapbutton.h"
#include "vgui_bitmappanel.h"
#include "filesystem.h"
#include "iinput.h"
#include <vgui/IInputInternal.h>
extern vgui::IInputInternal *g_InputInternal;
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define VGUI_SCREEN_MODE_RADIUS 80
//Precache the materials
PRECACHE_REGISTER_BEGIN( GLOBAL, PrecacheEffectVGuiScreen )
PRECACHE( MATERIAL, "engine/writez" )
PRECACHE_REGISTER_END()
// ----------------------------------------------------------------------------- //
// This is a cache of preloaded keyvalues.
// ----------------------------------------------------------------------------- //
CUtlDict<KeyValues*, int> g_KeyValuesCache;
KeyValues* CacheKeyValuesForFile( const char *pFilename )
{
MEM_ALLOC_CREDIT();
int i = g_KeyValuesCache.Find( pFilename );
if ( i == g_KeyValuesCache.InvalidIndex() )
{
KeyValues *rDat = new KeyValues( pFilename );
rDat->LoadFromFile( filesystem, pFilename, NULL );
g_KeyValuesCache.Insert( pFilename, rDat );
return rDat;
}
else
{
return g_KeyValuesCache[i];
}
}
void ClearKeyValuesCache()
{
MEM_ALLOC_CREDIT();
for ( int i=g_KeyValuesCache.First(); i != g_KeyValuesCache.InvalidIndex(); i=g_KeyValuesCache.Next( i ) )
{
g_KeyValuesCache[i]->deleteThis();
}
g_KeyValuesCache.Purge();
}
IMPLEMENT_CLIENTCLASS_DT(C_VGuiScreen, DT_VGuiScreen, CVGuiScreen)
RecvPropFloat( RECVINFO(m_flWidth) ),
RecvPropFloat( RECVINFO(m_flHeight) ),
RecvPropInt( RECVINFO(m_fScreenFlags) ),
RecvPropInt( RECVINFO(m_nPanelName) ),
RecvPropIntWithMinusOneFlag( RECVINFO(m_nAttachmentIndex) ),
RecvPropInt( RECVINFO(m_nOverlayMaterial) ),
RecvPropEHandle( RECVINFO(m_hPlayerOwner) ),
END_RECV_TABLE()
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
C_VGuiScreen::C_VGuiScreen()
{
m_nOldPanelName = m_nPanelName = -1;
m_nOldOverlayMaterial = m_nOverlayMaterial = -1;
m_nOldPx = m_nOldPy = -1;
m_nButtonState = 0;
m_bLoseThinkNextFrame = false;
m_bAcceptsInput = true;
m_WriteZMaterial.Init( "engine/writez", TEXTURE_GROUP_VGUI );
m_OverlayMaterial.Init( m_WriteZMaterial );
}
C_VGuiScreen::~C_VGuiScreen()
{
DestroyVguiScreen();
}
//-----------------------------------------------------------------------------
// Network updates
//-----------------------------------------------------------------------------
void C_VGuiScreen::PreDataUpdate( DataUpdateType_t updateType )
{
BaseClass::PreDataUpdate( updateType );
m_nOldPanelName = m_nPanelName;
m_nOldOverlayMaterial = m_nOverlayMaterial;
}
void C_VGuiScreen::OnDataChanged( DataUpdateType_t type )
{
BaseClass::OnDataChanged( type );
if ((type == DATA_UPDATE_CREATED) || (m_nPanelName != m_nOldPanelName))
{
CreateVguiScreen( PanelName() );
m_nButtonState = 0;
}
RenderWithViewModels( IsAttachedToViewModel() );
OnTranslucencyTypeChanged();
// Set up the overlay material
if (m_nOldOverlayMaterial != m_nOverlayMaterial)
{
m_OverlayMaterial.Shutdown();
const char *pMaterialName = GetMaterialNameFromIndex(m_nOverlayMaterial);
if (pMaterialName)
{
m_OverlayMaterial.Init( pMaterialName, TEXTURE_GROUP_VGUI );
}
else
{
m_OverlayMaterial.Init( m_WriteZMaterial );
}
}
}
void FormatViewModelAttachment( C_BasePlayer *pPlayer, Vector &vOrigin, bool bInverse );
//-----------------------------------------------------------------------------
// Returns the attachment render origin + origin
//-----------------------------------------------------------------------------
void C_VGuiScreen::GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pOrigin, QAngle *pAngles )
{
C_BaseEntity *pEnt = pAttachedTo->GetBaseEntity();
if (pEnt && (m_nAttachmentIndex > 0))
{
{
C_BaseAnimating::AutoAllowBoneAccess boneaccess( true, true );
pEnt->GetAttachment( m_nAttachmentIndex, *pOrigin, *pAngles );
}
if ( IsAttachedToViewModel() )
{
C_BasePlayer *pOwner = ToBasePlayer( ((C_BaseViewModel *)pEnt)->GetOwner() );
Assert( pOwner );
FormatViewModelAttachment( pOwner, *pOrigin, true );
}
}
else
{
BaseClass::GetAimEntOrigin( pAttachedTo, pOrigin, pAngles );
}
}
//-----------------------------------------------------------------------------
// Create, destroy vgui panels...
//-----------------------------------------------------------------------------
void C_VGuiScreen::CreateVguiScreen( const char *pTypeName )
{
// Clear out any old screens.
DestroyVguiScreen();
AddEFlags( EFL_USE_PARTITION_WHEN_NOT_SOLID );
// Create the new screen...
VGuiScreenInitData_t initData( this );
m_PanelWrapper.Activate( pTypeName, NULL, 0, &initData );
// Retrieve the panel dimensions
vgui::Panel *pPanel = m_PanelWrapper.GetPanel();
if (pPanel)
{
int x, y;
pPanel->GetBounds( x, y, m_nPixelWidth, m_nPixelHeight );
}
else
{
m_nPixelWidth = m_nPixelHeight = 0;
}
}
void C_VGuiScreen::DestroyVguiScreen( )
{
m_PanelWrapper.Deactivate();
}
//-----------------------------------------------------------------------------
// Is the screen active?
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsActive() const
{
return (m_fScreenFlags & VGUI_SCREEN_ACTIVE) != 0;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsAttachedToViewModel() const
{
return (m_fScreenFlags & VGUI_SCREEN_ATTACHED_TO_VIEWMODEL) != 0;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool C_VGuiScreen::AcceptsInput() const
{
return m_bAcceptsInput;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : acceptsinput -
//-----------------------------------------------------------------------------
void C_VGuiScreen::SetAcceptsInput( bool acceptsinput )
{
m_bAcceptsInput = acceptsinput;
}
//-----------------------------------------------------------------------------
// Are we only visible to teammates?
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsVisibleOnlyToTeammates() const
{
return (m_fScreenFlags & VGUI_SCREEN_VISIBLE_TO_TEAMMATES) != 0;
}
//-----------------------------------------------------------------------------
// Are we visible to someone on this team?
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsVisibleToTeam( int nTeam )
{
// FIXME: Should this maybe go into a derived class of some sort?
// Don't bother with screens on the wrong team
if (IsVisibleOnlyToTeammates() && (nTeam > 0))
{
// Hmmm... sort of a hack...
C_BaseEntity *pOwner = GetOwnerEntity();
if ( pOwner && (nTeam != pOwner->GetTeamNumber()) )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Activate, deactivate the view screen
//-----------------------------------------------------------------------------
void C_VGuiScreen::GainFocus( )
{
SetNextClientThink( CLIENT_THINK_ALWAYS );
m_bLoseThinkNextFrame = false;
m_nOldButtonState = 0;
}
void C_VGuiScreen::LoseFocus()
{
m_bLoseThinkNextFrame = true;
m_nOldButtonState = 0;
}
void C_VGuiScreen::SetButtonState( int nButtonState )
{
m_nButtonState = nButtonState;
}
//-----------------------------------------------------------------------------
// Returns the panel name
//-----------------------------------------------------------------------------
const char *C_VGuiScreen::PanelName() const
{
return g_StringTableVguiScreen->GetString( m_nPanelName );
}
//--------------------------------------------------------------------------
// Purpose:
// Given a field of view and mouse/screen positions as well as the current
// render origin and angles, returns a unit vector through the mouse position
// that can be used to trace into the world under the mouse click pixel.
// Input :
// mousex -
// mousey -
// fov -
// vecRenderOrigin -
// vecRenderAngles -
// Output :
// vecPickingRay
//--------------------------------------------------------------------------
void ScreenToWorld( int mousex, int mousey, float fov,
const Vector& vecRenderOrigin,
const QAngle& vecRenderAngles,
Vector& vecPickingRay )
{
float dx, dy;
float c_x, c_y;
float dist;
Vector vpn, vup, vright;
float scaled_fov = ScaleFOVByWidthRatio( fov, engine->GetScreenAspectRatio( ScreenWidth(), ScreenHeight() ) * 0.75f );
c_x = ScreenWidth() / 2;
c_y = ScreenHeight() / 2;
dx = (float)mousex - c_x;
// Invert Y
dy = c_y - (float)mousey;
// Convert view plane distance
dist = c_x / tan( M_PI * scaled_fov / 360.0 );
// Decompose view angles
AngleVectors( vecRenderAngles, &vpn, &vright, &vup );
// Offset forward by view plane distance, and then by pixel offsets
vecPickingRay = vpn * dist + vright * ( dx ) + vup * ( dy );
// Convert to unit vector
VectorNormalize( vecPickingRay );
}
//-----------------------------------------------------------------------------
// Purpose: Deal with input
//-----------------------------------------------------------------------------
void C_VGuiScreen::ClientThink( void )
{
int nButtonsChanged = m_nOldButtonState ^ m_nButtonState;
m_nOldButtonState = m_nButtonState;
// Debounced button codes for pressed/released
// UNDONE: Do we need auto-repeat?
m_nButtonPressed = nButtonsChanged & m_nButtonState; // The changed ones still down are "pressed"
m_nButtonReleased = nButtonsChanged & (~m_nButtonState); // The ones not down are "released"
BaseClass::ClientThink();
// FIXME: We should really be taking bob, shake, and roll into account
// but if we did, then all the inputs would be generated multiple times
// if the world was rendered multiple times (for things like water, etc.)
vgui::Panel *pPanel = m_PanelWrapper.GetPanel();
if (!pPanel)
return;
C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
if (!pLocalPlayer)
return;
// Generate a ray along the view direction
Vector vecEyePosition = pLocalPlayer->EyePosition();
QAngle viewAngles = pLocalPlayer->EyeAngles( );
// Compute cursor position...
Ray_t lookDir;
Vector endPos;
float u, v;
// Viewmodel attached screens that take input need to have a moving cursor
// Do a pick under the cursor as our selection
Vector viewDir;
AngleVectors( viewAngles, &viewDir );
VectorMA( vecEyePosition, 1000.0f, viewDir, endPos );
lookDir.Init( vecEyePosition, endPos );
if (!IntersectWithRay( lookDir, &u, &v, NULL ))
return;
if ( ((u < 0) || (v < 0) || (u > 1) || (v > 1)) && !m_bLoseThinkNextFrame)
return;
// This will cause our panel to grab all input!
GetClientMode()->ActivateInGameVGuiContext( pPanel );
// Convert (u,v) into (px,py)
int px = (int)(u * m_nPixelWidth + 0.5f);
int py = (int)(v * m_nPixelHeight + 0.5f);
// Generate mouse input commands
if ((px != m_nOldPx) || (py != m_nOldPy))
{
g_InputInternal->InternalCursorMoved( px, py );
m_nOldPx = px;
m_nOldPy = py;
}
if (m_nButtonPressed & IN_ATTACK)
{
g_InputInternal->SetMouseCodeState( MOUSE_LEFT, vgui::BUTTON_PRESSED );
g_InputInternal->InternalMousePressed(MOUSE_LEFT);
}
if (m_nButtonPressed & IN_ATTACK2)
{
g_InputInternal->SetMouseCodeState( MOUSE_RIGHT, vgui::BUTTON_PRESSED );
g_InputInternal->InternalMousePressed( MOUSE_RIGHT );
}
if ( (m_nButtonReleased & IN_ATTACK) || m_bLoseThinkNextFrame) // for a button release on loosing focus
{
g_InputInternal->SetMouseCodeState( MOUSE_LEFT, vgui::BUTTON_RELEASED );
g_InputInternal->InternalMouseReleased( MOUSE_LEFT );
}
if (m_nButtonReleased & IN_ATTACK2)
{
g_InputInternal->SetMouseCodeState( MOUSE_RIGHT, vgui::BUTTON_RELEASED );
g_InputInternal->InternalMouseReleased( MOUSE_RIGHT );
}
if ( m_bLoseThinkNextFrame == true )
{
m_bLoseThinkNextFrame = false;
SetNextClientThink( CLIENT_THINK_NEVER );
}
GetClientMode()->DeactivateInGameVGuiContext( );
}
//-----------------------------------------------------------------------------
// Computes control points of the quad describing the screen
//-----------------------------------------------------------------------------
void C_VGuiScreen::ComputeEdges( Vector *pUpperLeft, Vector *pUpperRight, Vector *pLowerLeft )
{
Vector vecOrigin = GetAbsOrigin();
Vector xaxis, yaxis;
AngleVectors( GetAbsAngles(), &xaxis, &yaxis, NULL );
// NOTE: Have to multiply by -1 here because yaxis goes out the -y axis in AngleVectors actually...
yaxis *= -1.0f;
VectorCopy( vecOrigin, *pLowerLeft );
VectorMA( vecOrigin, m_flHeight, yaxis, *pUpperLeft );
VectorMA( *pUpperLeft, m_flWidth, xaxis, *pUpperRight );
}
//-----------------------------------------------------------------------------
// Return intersection point of ray with screen in barycentric coords
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IntersectWithRay( const Ray_t &ray, float *u, float *v, float *t )
{
// Perform a raycast to see where in barycentric coordinates the ray hits
// the viewscreen; if it doesn't hit it, you're not in the mode
Vector origin, upt, vpt;
ComputeEdges( &origin, &upt, &vpt );
return ComputeIntersectionBarycentricCoordinates( ray, origin, upt, vpt, *u, *v, t );
}
//-----------------------------------------------------------------------------
// Is the vgui screen backfacing?
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsBackfacing( const Vector &viewOrigin )
{
// Compute a ray from camera to center of the screen..
Vector cameraToScreen;
VectorSubtract( GetAbsOrigin(), viewOrigin, cameraToScreen );
// Figure out the face normal
Vector zaxis;
GetVectors( NULL, NULL, &zaxis );
// The actual backface cull
return (DotProduct( zaxis, cameraToScreen ) > 0.0f);
}
//-----------------------------------------------------------------------------
// Computes the panel center to world transform
//-----------------------------------------------------------------------------
void C_VGuiScreen::ComputePanelToWorld()
{
// The origin is at the upper-left corner of the screen
Vector vecOrigin, vecUR, vecLL;
ComputeEdges( &vecOrigin, &vecUR, &vecLL );
m_PanelToWorld.SetupMatrixOrgAngles( vecOrigin, GetAbsAngles() );
}
//-----------------------------------------------------------------------------
// a pass to set the z buffer...
//-----------------------------------------------------------------------------
void C_VGuiScreen::DrawScreenOverlay()
{
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PushMatrix();
pRenderContext->LoadMatrix( m_PanelToWorld );
unsigned char pColor[4] = {255, 255, 255, 255};
CMeshBuilder meshBuilder;
IMesh *pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, m_OverlayMaterial );
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
meshBuilder.Position3f( 0.0f, 0.0f, 0 );
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Color4ubv( pColor );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( m_flWidth, 0.0f, 0 );
meshBuilder.TexCoord2f( 0, 1.0f, 0.0f );
meshBuilder.Color4ubv( pColor );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( m_flWidth, -m_flHeight, 0 );
meshBuilder.TexCoord2f( 0, 1.0f, 1.0f );
meshBuilder.Color4ubv( pColor );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( 0.0f, -m_flHeight, 0 );
meshBuilder.TexCoord2f( 0, 0.0f, 1.0f );
meshBuilder.Color4ubv( pColor );
meshBuilder.AdvanceVertex();
meshBuilder.End();
pMesh->Draw();
pRenderContext->PopMatrix();
}
//-----------------------------------------------------------------------------
// Draws the panel using a 3D transform...
//-----------------------------------------------------------------------------
int C_VGuiScreen::DrawModel( int flags, const RenderableInstance_t &instance )
{
vgui::Panel *pPanel = m_PanelWrapper.GetPanel();
if (!pPanel || !IsActive())
return 0;
// Don't bother drawing stuff not visible to me...
C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
if (!pLocalPlayer || !IsVisibleToTeam(pLocalPlayer->GetTeamNumber()) )
return 0;
if ( !IsVisibleToPlayer( pLocalPlayer ) )
{
return 0;
}
// Backface cull the entire panel here...
if (IsBackfacing(CurrentViewOrigin()))
return 0;
// Recompute the panel-to-world center
// FIXME: Can this be cached off?
ComputePanelToWorld();
g_pMatSystemSurface->DrawPanelIn3DSpace( pPanel->GetVPanel(), m_PanelToWorld,
m_nPixelWidth, m_nPixelHeight, m_flWidth, m_flHeight );
// Finally, a pass to set the z buffer...
DrawScreenOverlay();
return 1;
}
bool C_VGuiScreen::ShouldDraw( void )
{
return !IsEffectActive(EF_NODRAW);
}
//-----------------------------------------------------------------------------
// Purpose: Hook for vgui screens to determine visibility
//-----------------------------------------------------------------------------
bool C_VGuiScreen::IsVisibleToPlayer( C_BasePlayer *pViewingPlayer )
{
return true;
}
RenderableTranslucencyType_t C_VGuiScreen::ComputeTranslucencyType( void )
{
return ( (m_fScreenFlags & VGUI_SCREEN_TRANSPARENT) != 0 ) ? RENDERABLE_IS_TRANSLUCENT : RENDERABLE_IS_OPAQUE;
}
//-----------------------------------------------------------------------------
// Purpose: Sometimes we only want a specific player to be able to input to a panel
//-----------------------------------------------------------------------------
C_BasePlayer *C_VGuiScreen::GetPlayerOwner( void )
{
return ( C_BasePlayer * )( m_hPlayerOwner.Get() );
}
bool C_VGuiScreen::IsInputOnlyToOwner( void )
{
return (m_fScreenFlags & VGUI_SCREEN_ONLY_USABLE_BY_OWNER) != 0;
}
//-----------------------------------------------------------------------------
//
// Enumator class for finding vgui screens close to the local player
//
//-----------------------------------------------------------------------------
class CVGuiScreenEnumerator : public IPartitionEnumerator
{
DECLARE_CLASS_GAMEROOT( CVGuiScreenEnumerator, IPartitionEnumerator );
public:
virtual IterationRetval_t EnumElement( IHandleEntity *pHandleEntity );
int GetScreenCount();
C_VGuiScreen *GetVGuiScreen( int index );
private:
CUtlVector< CHandle< C_VGuiScreen > > m_VguiScreens;
};
IterationRetval_t CVGuiScreenEnumerator::EnumElement( IHandleEntity *pHandleEntity )
{
C_BaseEntity *pEnt = ClientEntityList().GetBaseEntityFromHandle( pHandleEntity->GetRefEHandle() );
if ( pEnt == NULL )
return ITERATION_CONTINUE;
// FIXME.. pretty expensive...
C_VGuiScreen *pScreen = dynamic_cast<C_VGuiScreen*>(pEnt);
if ( pScreen )
{
int i = m_VguiScreens.AddToTail( );
m_VguiScreens[i].Set( pScreen );
}
return ITERATION_CONTINUE;
}
int CVGuiScreenEnumerator::GetScreenCount()
{
return m_VguiScreens.Count();
}
C_VGuiScreen *CVGuiScreenEnumerator::GetVGuiScreen( int index )
{
return m_VguiScreens[index].Get();
}
//-----------------------------------------------------------------------------
//
// Look for vgui screens, returns true if it found one ...
//
//-----------------------------------------------------------------------------
C_BaseEntity *FindNearbyVguiScreen( const Vector &viewPosition, const QAngle &viewAngle, int nTeam )
{
if ( IsX360() )
{
// X360TBD: Turn this on if feature actually used
return NULL;
}
C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
Assert( pLocalPlayer );
if ( !pLocalPlayer )
return NULL;
// Get the view direction...
Vector lookDir;
AngleVectors( viewAngle, &lookDir );
// Create a ray used for raytracing
Vector lookEnd;
VectorMA( viewPosition, 2.0f * VGUI_SCREEN_MODE_RADIUS, lookDir, lookEnd );
Ray_t lookRay;
lookRay.Init( viewPosition, lookEnd );
// Look for vgui screens that are close to the player
CVGuiScreenEnumerator localScreens;
partition->EnumerateElementsInSphere( PARTITION_CLIENT_NON_STATIC_EDICTS, viewPosition, VGUI_SCREEN_MODE_RADIUS, false, &localScreens );
Vector vecOut, vecViewDelta;
float flBestDist = 2.0f;
C_VGuiScreen *pBestScreen = NULL;
for (int i = localScreens.GetScreenCount(); --i >= 0; )
{
C_VGuiScreen *pScreen = localScreens.GetVGuiScreen(i);
if ( pScreen->IsAttachedToViewModel() )
continue;
// Don't bother with screens I'm behind...
// Hax - don't cancel backfacing with viewmodel attached screens.
// we can get prediction bugs that make us backfacing for one frame and
// it resets the mouse position if we lose focus.
if ( pScreen->IsBackfacing(viewPosition) )
continue;
// Don't bother with screens that are turned off
if (!pScreen->IsActive())
continue;
// FIXME: Should this maybe go into a derived class of some sort?
// Don't bother with screens on the wrong team
if (!pScreen->IsVisibleToTeam(nTeam))
continue;
if ( !pScreen->AcceptsInput() )
continue;
if ( pScreen->IsInputOnlyToOwner() && pScreen->GetPlayerOwner() != pLocalPlayer )
continue;
// Test perpendicular distance from the screen...
pScreen->GetVectors( NULL, NULL, &vecOut );
VectorSubtract( viewPosition, pScreen->GetAbsOrigin(), vecViewDelta );
float flPerpDist = DotProduct(vecViewDelta, vecOut);
if ( (flPerpDist < 0) || (flPerpDist > VGUI_SCREEN_MODE_RADIUS) )
continue;
// Perform a raycast to see where in barycentric coordinates the ray hits
// the viewscreen; if it doesn't hit it, you're not in the mode
float u, v, t;
if (!pScreen->IntersectWithRay( lookRay, &u, &v, &t ))
continue;
// Barycentric test
if ((u < 0) || (v < 0) || (u > 1) || (v > 1))
continue;
if ( t < flBestDist )
{
flBestDist = t;
pBestScreen = pScreen;
}
}
return pBestScreen;
}
void ActivateVguiScreen( C_BaseEntity *pVguiScreenEnt )
{
if (pVguiScreenEnt)
{
Assert( dynamic_cast<C_VGuiScreen*>(pVguiScreenEnt) );
C_VGuiScreen *pVguiScreen = static_cast<C_VGuiScreen*>(pVguiScreenEnt);
pVguiScreen->GainFocus( );
}
}
void SetVGuiScreenButtonState( C_BaseEntity *pVguiScreenEnt, int nButtonState )
{
if (pVguiScreenEnt)
{
Assert( dynamic_cast<C_VGuiScreen*>(pVguiScreenEnt) );
C_VGuiScreen *pVguiScreen = static_cast<C_VGuiScreen*>(pVguiScreenEnt);
pVguiScreen->SetButtonState( nButtonState );
}
}
void DeactivateVguiScreen( C_BaseEntity *pVguiScreenEnt )
{
if (pVguiScreenEnt)
{
Assert( dynamic_cast<C_VGuiScreen*>(pVguiScreenEnt) );
C_VGuiScreen *pVguiScreen = static_cast<C_VGuiScreen*>(pVguiScreenEnt);
pVguiScreen->LoseFocus( );
}
}
CVGuiScreenPanel::CVGuiScreenPanel( vgui::Panel *parent, const char *panelName )
: BaseClass( parent, panelName )
{
m_hEntity = NULL;
}
CVGuiScreenPanel::CVGuiScreenPanel( vgui::Panel *parent, const char *panelName, vgui::HScheme hScheme )
: BaseClass( parent, panelName, hScheme )
{
m_hEntity = NULL;
}
bool CVGuiScreenPanel::Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData )
{
const char *pResFile = pKeyValues->GetString( "resfile" );
if (pResFile[0] != 0)
{
KeyValues *pCachedKeyValues = CacheKeyValuesForFile( pResFile );
LoadControlSettings( pResFile, NULL, pCachedKeyValues );
}
// Dimensions in pixels
int nWidth, nHeight;
nWidth = pKeyValues->GetInt( "pixelswide", 240 );
nHeight = pKeyValues->GetInt( "pixelshigh", 160 );
if ((nWidth <= 0) || (nHeight <= 0))
return false;
// If init data isn't specified, then we're just precaching.
if ( pInitData )
{
m_hEntity.Set( pInitData->m_pEntity );
C_VGuiScreen *screen = dynamic_cast< C_VGuiScreen * >( pInitData->m_pEntity );
if ( screen )
{
bool acceptsInput = pKeyValues->GetBool( "acceptsinput", true );
screen->SetAcceptsInput( acceptsInput );
}
}
SetBounds( 0, 0, nWidth, nHeight );
return true;
}
vgui::Panel *CVGuiScreenPanel::CreateControlByName(const char *controlName)
{
// Check the panel metaclass manager to make these controls...
if (!Q_strncmp(controlName, "MaterialImage", 20))
{
return new CBitmapPanel(NULL, "BitmapPanel");
}
if (!Q_strncmp(controlName, "MaterialButton", 20))
{
return new CBitmapButton(NULL, "BitmapButton", "");
}
// Didn't find it? Just use the default stuff
return BaseClass::CreateControlByName( controlName );
}
//-----------------------------------------------------------------------------
// Purpose: Called when the user presses a button
//-----------------------------------------------------------------------------
void CVGuiScreenPanel::OnCommand( const char *command)
{
if ( Q_stricmp( command, "vguicancel" ) )
{
engine->ClientCmd( const_cast<char *>( command ) );
}
BaseClass::OnCommand(command);
}
DECLARE_VGUI_SCREEN_FACTORY( CVGuiScreenPanel, "vgui_screen_panel" );