//-----------------------------------------------------------------------------
// Purpose: Generates a view matrix based on our current yaw, pitch, and roll.
// The view matrix does not consider FOV or clip plane distances.
//-----------------------------------------------------------------------------
void CCamera::BuildViewMatrix()
{
// The camera transformation is produced by multiplying roll * yaw * pitch.
// This will transform a point from world space into quake camera space,
// which is exactly what we want for our view matrix. However, quake
// camera space isn't the same as material system camera space, so
// we're going to have to apply a transformation that goes from quake
// camera space to material system camera space.
CameraIdentityMatrix( m_ViewMatrix );
RotateAroundAxis(m_ViewMatrix, m_fPitch, 0 );
RotateAroundAxis(m_ViewMatrix, m_fRoll, 1);
RotateAroundAxis(m_ViewMatrix, m_fYaw, 2);
// Translate the viewpoint to the world origin.
VMatrix TempMatrix;
TempMatrix.Identity();
TempMatrix.SetTranslation( -m_ViewPoint );
m_ViewMatrix = m_ViewMatrix * TempMatrix;
m_ViewProjMatrix = m_ProjMatrix * m_ViewMatrix;
m_ViewProjMatrix.InverseGeneral( m_InvViewProjMatrix );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFArrowPanel::Paint()
{
if ( !m_hEntity.Get() )
return;
C_BaseEntity *pEnt = m_hEntity.Get();
IMaterial *pMaterial = m_NeutralMaterial;
C_TFPlayer *pLocalPlayer = C_TFPlayer::GetLocalTFPlayer();
// figure out what material we need to use
if ( pEnt->GetTeamNumber() == TF_TEAM_RED )
{
pMaterial = m_RedMaterial;
if ( pLocalPlayer && ( pLocalPlayer->GetObserverMode() == OBS_MODE_IN_EYE ) )
{
// is our target a player?
C_BaseEntity *pTargetEnt = pLocalPlayer->GetObserverTarget();
if ( pTargetEnt && pTargetEnt->IsPlayer() )
{
// does our target have the flag and are they carrying the flag we're currently drawing?
C_TFPlayer *pTarget = static_cast< C_TFPlayer* >( pTargetEnt );
if ( pTarget->HasTheFlag() && ( pTarget->GetItem() == pEnt ) )
{
pMaterial = m_RedMaterialNoArrow;
}
}
}
}
else if ( pEnt->GetTeamNumber() == TF_TEAM_BLUE )
{
pMaterial = m_BlueMaterial;
if ( pLocalPlayer && ( pLocalPlayer->GetObserverMode() == OBS_MODE_IN_EYE ) )
{
// is our target a player?
C_BaseEntity *pTargetEnt = pLocalPlayer->GetObserverTarget();
if ( pTargetEnt && pTargetEnt->IsPlayer() )
{
// does our target have the flag and are they carrying the flag we're currently drawing?
C_TFPlayer *pTarget = static_cast< C_TFPlayer* >( pTargetEnt );
if ( pTarget->HasTheFlag() && ( pTarget->GetItem() == pEnt ) )
{
pMaterial = m_BlueMaterialNoArrow;
}
}
}
}
else if (pEnt->GetTeamNumber() == TF_TEAM_GREEN)
{
pMaterial = m_GreenMaterial;
if (pLocalPlayer && (pLocalPlayer->GetObserverMode() == OBS_MODE_IN_EYE))
{
// is our target a player?
C_BaseEntity *pTargetEnt = pLocalPlayer->GetObserverTarget();
if (pTargetEnt && pTargetEnt->IsPlayer())
{
// does our target have the flag and are they carrying the flag we're currently drawing?
C_TFPlayer *pTarget = static_cast< C_TFPlayer* >(pTargetEnt);
if (pTarget->HasTheFlag() && (pTarget->GetItem() == pEnt))
{
pMaterial = m_GreenMaterialNoArrow;
}
}
}
}
else if (pEnt->GetTeamNumber() == TF_TEAM_YELLOW)
{
pMaterial = m_YellowMaterial;
if (pLocalPlayer && (pLocalPlayer->GetObserverMode() == OBS_MODE_IN_EYE))
{
// is our target a player?
C_BaseEntity *pTargetEnt = pLocalPlayer->GetObserverTarget();
if (pTargetEnt && pTargetEnt->IsPlayer())
{
// does our target have the flag and are they carrying the flag we're currently drawing?
C_TFPlayer *pTarget = static_cast< C_TFPlayer* >(pTargetEnt);
if (pTarget->HasTheFlag() && (pTarget->GetItem() == pEnt))
{
pMaterial = m_YellowMaterialNoArrow;
}
}
}
}
int x = 0;
int y = 0;
ipanel()->GetAbsPos( GetVPanel(), x, y );
int nWidth = GetWide();
int nHeight = GetTall();
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PushMatrix();
VMatrix panelRotation;
panelRotation.Identity();
MatrixBuildRotationAboutAxis( panelRotation, Vector( 0, 0, 1 ), GetAngleRotation() );
// MatrixRotate( panelRotation, Vector( 1, 0, 0 ), 5 );
panelRotation.SetTranslation( Vector( x + nWidth/2, y + nHeight/2, 0 ) );
pRenderContext->LoadMatrix( panelRotation );
IMesh *pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, pMaterial );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
meshBuilder.TexCoord2f( 0, 0, 0 );
meshBuilder.Position3f( -nWidth/2, -nHeight/2, 0 );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.TexCoord2f( 0, 1, 0 );
meshBuilder.Position3f( nWidth/2, -nHeight/2, 0 );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.TexCoord2f( 0, 1, 1 );
meshBuilder.Position3f( nWidth/2, nHeight/2, 0 );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.TexCoord2f( 0, 0, 1 );
meshBuilder.Position3f( -nWidth/2, nHeight/2, 0 );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.End();
pMesh->Draw();
pRenderContext->PopMatrix();
}
//-----------------------------------------------------------------------------
// Got a detail! Place it on the surface...
//-----------------------------------------------------------------------------
// BUGBUG: When the global optimizer is on, "normal" gets trashed in this function
// (only when not in the debugger?)
// Printing the values of normal at the bottom of the function fixes it as does
// disabling global optimizations.
static void PlaceDetail( DetailModel_t const& model, const Vector& pt, const Vector& normal )
{
// But only place it on the surface if it meets the angle constraints...
float cosAngle = normal.z;
// Never emit if the angle's too steep
if (cosAngle < model.m_MaxCosAngle)
return;
// If it's between min + max, flip a coin...
if (cosAngle < model.m_MinCosAngle)
{
float probability = (cosAngle - model.m_MaxCosAngle) /
(model.m_MinCosAngle - model.m_MaxCosAngle);
float t = rand() / (float)RAND_MAX;
if (t > probability)
return;
}
// Compute the orientation of the detail
QAngle angles;
if (model.m_Flags & MODELFLAG_UPRIGHT)
{
// If it's upright, we just select a random yaw
angles.Init( 0, 360.0f * rand() / (float)RAND_MAX, 0.0f );
}
else
{
// It's not upright, so it must conform to the ground. Choose
// a random orientation based on the surface normal
Vector zaxis;
VectorCopy( normal, zaxis );
VectorNormalize( zaxis );
// Choose any two arbitrary axes which are perpendicular to the normal
Vector xaxis( 1, 0, 0 );
if (fabs(xaxis.Dot(zaxis)) - 1.0 > -1e-3)
xaxis.Init( 0, 1, 0 );
Vector yaxis;
CrossProduct( zaxis, xaxis, yaxis );
VectorNormalize( yaxis );
CrossProduct( yaxis, zaxis, xaxis );
VectorNormalize( xaxis );
VMatrix matrix;
matrix.SetBasisVectors( xaxis, yaxis, zaxis );
matrix.SetTranslation( vec3_origin );
float rotAngle = 360.0f * rand() / (float)RAND_MAX;
VMatrix rot = SetupMatrixAxisRot( Vector( 0, 0, 1 ), rotAngle );
matrix = matrix * rot;
MatrixToAngles( matrix, angles );
}
// FIXME: We may also want a purely random rotation too
// Insert an element into the object dictionary if it aint there...
switch ( model.m_Type )
{
case DETAIL_PROP_TYPE_MODEL:
AddDetailToLump( model.m_ModelName.String(), pt, angles, model.m_Orientation );
break;
// Sprites and procedural models made from sprites
case DETAIL_PROP_TYPE_SPRITE:
default:
{
float flScale = 1.0f;
if ( model.m_flRandomScaleStdDev != 0.0f )
{
flScale = fabs( RandomGaussianFloat( 1.0f, model.m_flRandomScaleStdDev ) );
}
AddDetailSpriteToLump( pt, angles, model, flScale );
}
break;
}
}
