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https://github.com/mapbase-source/source-sdk-2013.git
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Merge pull request #300 from Blixibon/mapbase/feature/chromatic-aberration-effect
Primitive chromatic aberration effect for env_screeneffect
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Blixibon
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commit
038c66ef58
@ -219,6 +219,11 @@ enum
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SCREENEFFECT_EP2_ADVISOR_STUN,
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SCREENEFFECT_EP1_INTRO,
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SCREENEFFECT_EP2_GROGGY,
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#ifdef MAPBASE
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SCREENEFFECT_MAPBASE_CHROMATIC_BLUR = 100, // Overlays 3 different frames of red, green, and blue tints respectively with different offsets
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SCREENEFFECT_MAPBASE_CHROMATIC_ABERRATION, // Similar to above, except it stretches frames in addition to offsetting them
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#endif
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};
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// ============================================================================
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@ -303,6 +308,21 @@ void C_EnvScreenEffect::ReceiveMessage( int classID, bf_read &msg )
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g_pScreenSpaceEffects->SetScreenSpaceEffectParams( "ep2_groggy", pKeys );
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g_pScreenSpaceEffects->EnableScreenSpaceEffect( "ep2_groggy" );
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}
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#ifdef MAPBASE
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else if ( m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_BLUR || m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_ABERRATION )
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{
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if( g_pMaterialSystemHardwareConfig->GetDXSupportLevel() < 80 )
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return;
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// Set our keys
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pKeys->SetFloat( "duration", m_flDuration );
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pKeys->SetInt( "fadeout", 0 );
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pKeys->SetInt( "stretch", m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_ABERRATION );
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g_pScreenSpaceEffects->SetScreenSpaceEffectParams( "mapbase_chromatic_aberration", pKeys );
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g_pScreenSpaceEffects->EnableScreenSpaceEffect( "mapbase_chromatic_aberration" );
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}
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#endif
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pKeys->deleteThis();
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}
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@ -349,6 +369,25 @@ void C_EnvScreenEffect::ReceiveMessage( int classID, bf_read &msg )
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g_pScreenSpaceEffects->SetScreenSpaceEffectParams( "ep2_groggy", pKeys );
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}
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#ifdef MAPBASE
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else if ( m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_BLUR || m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_ABERRATION )
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{
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if( g_pMaterialSystemHardwareConfig->GetDXSupportLevel() < 80 )
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return;
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// Create a keyvalue block to set these params
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KeyValues *pKeys = new KeyValues( "keys" );
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if ( pKeys == NULL )
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return;
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// Set our keys
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pKeys->SetFloat( "duration", m_flDuration );
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pKeys->SetInt( "fadeout", 1 );
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pKeys->SetInt( "stretch", m_nType == SCREENEFFECT_MAPBASE_CHROMATIC_ABERRATION );
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g_pScreenSpaceEffects->SetScreenSpaceEffectParams( "mapbase_chromatic_aberration", pKeys );
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}
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#endif
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break;
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}
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@ -462,3 +462,225 @@ void CEP2StunEffect::Render( int x, int y, int w, int h )
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pRenderContext->MatrixMode( MATERIAL_PROJECTION );
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pRenderContext->PopMatrix();
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}
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// ================================================================================================================
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//
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// Chromatic Aberration
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//
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// ================================================================================================================
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#ifdef MAPBASE
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ConVar r_chromatic_aberration_offset( "r_chromatic_aberration_offset", "8.0" );
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ConVar r_chromatic_aberration_intensity( "r_chromatic_aberration_intensity", "0.2" );
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ConVar r_chromatic_aberration_noise( "r_chromatic_aberration_noise", "4.0" );
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ConVar r_chromatic_aberration_frame1_clr( "r_chromatic_aberration_frame1_clr", "1.0 0.0 0.0 1.0" );
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ConVar r_chromatic_aberration_frame1_offset_x( "r_chromatic_aberration_frame1_offset_x", "1.0" );
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ConVar r_chromatic_aberration_frame1_offset_y( "r_chromatic_aberration_frame1_offset_y", "4.0" );
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ConVar r_chromatic_aberration_frame2_clr( "r_chromatic_aberration_frame2_clr", "0.0 1.0 0.0 1.0" );
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ConVar r_chromatic_aberration_frame2_offset_x( "r_chromatic_aberration_frame2_offset_x", "-5.0" );
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ConVar r_chromatic_aberration_frame2_offset_y( "r_chromatic_aberration_frame2_offset_y", "-1.0" );
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ConVar r_chromatic_aberration_frame3_clr( "r_chromatic_aberration_frame3_clr", "0.0 0.0 1.0 1.0" );
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ConVar r_chromatic_aberration_frame3_offset_x( "r_chromatic_aberration_frame3_offset_x", "3.0" );
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ConVar r_chromatic_aberration_frame3_offset_y( "r_chromatic_aberration_frame3_offset_y", "-3.0" );
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CChromaticAberrationEffect::Init( void )
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{
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m_flDuration = 0.0f;
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m_flFinishTime = 0.0f;
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m_bUpdateView = true;
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KeyValues *pVMTKeyValues = new KeyValues( "UnlitGeneric" );
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pVMTKeyValues->SetString( "$basetexture", STUN_TEXTURE );
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m_EffectMaterial.Init( "__stuneffect", TEXTURE_GROUP_CLIENT_EFFECTS, pVMTKeyValues );
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m_StunTexture.Init( STUN_TEXTURE, TEXTURE_GROUP_CLIENT_EFFECTS );
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}
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void CChromaticAberrationEffect::Shutdown( void )
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{
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m_EffectMaterial.Shutdown();
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m_StunTexture.Shutdown();
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}
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//------------------------------------------------------------------------------
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// Purpose: Pick up changes in our parameters
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//------------------------------------------------------------------------------
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void CChromaticAberrationEffect::SetParameters( KeyValues *params )
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{
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if( params->FindKey( "duration" ) )
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{
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m_flDuration = params->GetFloat( "duration" );
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m_flFinishTime = gpGlobals->curtime + m_flDuration;
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m_bUpdateView = true;
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}
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if( params->FindKey( "fadeout" ) )
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{
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m_bFadeOut = ( params->GetInt( "fadeout" ) == 1 );
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}
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if( params->FindKey( "stretch" ) )
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{
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m_bStretch = ( params->GetInt( "stretch" ) == 1 );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Render the effect
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//-----------------------------------------------------------------------------
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void CChromaticAberrationEffect::RenderColorFrame( CMatRenderContextPtr &pRenderContext, float flEffectPerc, int nColorMode, int x, int y, int w, int h )
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{
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// Change color
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float flColor[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
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float viewOffsX = flEffectPerc;
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if (m_bStretch)
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viewOffsX *= r_chromatic_aberration_offset.GetFloat() * 2;
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else
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viewOffsX *= r_chromatic_aberration_offset.GetFloat();
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float viewOffsY = viewOffsX;
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{
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char szColor[16] = { 0 };
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float flNoise = sin( gpGlobals->curtime * r_chromatic_aberration_noise.GetFloat() ) * flEffectPerc;
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switch (nColorMode)
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{
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// Red
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case 0:
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Q_strncpy( szColor, r_chromatic_aberration_frame1_clr.GetString(), sizeof( szColor ) );
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viewOffsX *= r_chromatic_aberration_frame1_offset_x.GetFloat();
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viewOffsY *= r_chromatic_aberration_frame1_offset_y.GetFloat();
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viewOffsX += flNoise;
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viewOffsY += flNoise;
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break;
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// Green
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case 1:
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Q_strncpy( szColor, r_chromatic_aberration_frame2_clr.GetString(), sizeof( szColor ) );
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viewOffsX *= r_chromatic_aberration_frame2_offset_x.GetFloat();
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viewOffsY *= r_chromatic_aberration_frame2_offset_y.GetFloat();
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viewOffsX += flNoise;
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viewOffsY += flNoise;
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break;
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// Blue
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case 2:
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Q_strncpy( szColor, r_chromatic_aberration_frame3_clr.GetString(), sizeof( szColor ) );
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viewOffsX *= r_chromatic_aberration_frame3_offset_x.GetFloat();
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viewOffsY *= r_chromatic_aberration_frame3_offset_y.GetFloat();
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viewOffsX += flNoise;
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viewOffsY += flNoise;
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break;
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}
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char *c = strtok( szColor, " " );
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for (int i = 0; i < 4 && c != NULL; i++, c = strtok( NULL, " " ))
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{
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flColor[i] = atof( c );
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}
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}
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if (flColor[3] == 0.0f || g_pMaterialSystemHardwareConfig->GetDXSupportLevel() < 80)
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return;
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m_EffectMaterial->ColorModulate( flColor[0], flColor[1], flColor[2] );
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// Set alpha blend value
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float flOverlayAlpha = clamp( r_chromatic_aberration_intensity.GetFloat() * flEffectPerc * flColor[3], 0.0f, 1.0f);
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m_EffectMaterial->AlphaModulate( flOverlayAlpha );
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// Draw full screen alpha-blended quad
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if (m_bStretch)
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{
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float vX = x - (viewOffsX * 0.5f);
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float vY = y - (viewOffsY * 0.5f);
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pRenderContext->DrawScreenSpaceRectangle( m_EffectMaterial, vX, vY, w + viewOffsX, h + viewOffsY,
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0, 0, (m_StunTexture->GetActualWidth()-1), (m_StunTexture->GetActualHeight()-1),
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m_StunTexture->GetActualWidth(), m_StunTexture->GetActualHeight() );
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}
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else
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{
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float vX = x + viewOffsX;
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float vY = y + viewOffsY;
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pRenderContext->DrawScreenSpaceRectangle( m_EffectMaterial, 0, 0, w, h,
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vX, vY, (m_StunTexture->GetActualWidth()-1)+vX, (m_StunTexture->GetActualHeight()-1)+vY,
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m_StunTexture->GetActualWidth(), m_StunTexture->GetActualHeight() );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Render the effect
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//-----------------------------------------------------------------------------
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void CChromaticAberrationEffect::Render( int x, int y, int w, int h )
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{
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// Make sure we're ready to play this effect
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if ( !IsEnabled() )
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return;
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if ( m_bFadeOut && m_flFinishTime < gpGlobals->curtime )
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{
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g_pScreenSpaceEffects->DisableScreenSpaceEffect( "mapbase_chromatic_aberration" );
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return;
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}
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CMatRenderContextPtr pRenderContext( materials );
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// Set ourselves to the proper rendermode
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pRenderContext->MatrixMode( MATERIAL_VIEW );
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pRenderContext->PushMatrix();
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pRenderContext->LoadIdentity();
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pRenderContext->MatrixMode( MATERIAL_PROJECTION );
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pRenderContext->PushMatrix();
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pRenderContext->LoadIdentity();
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// Draw the texture if we're using it
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if ( m_bUpdateView )
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{
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// Save off this pass
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Rect_t srcRect;
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srcRect.x = x;
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srcRect.y = y;
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srcRect.width = w;
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srcRect.height = h;
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pRenderContext->CopyRenderTargetToTextureEx( m_StunTexture, 0, &srcRect, NULL );
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m_bUpdateView = false;
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}
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float flEffectPerc = SmoothCurve( clamp( ( m_flFinishTime - gpGlobals->curtime ) / m_flDuration, 0.0f, 1.0f ) );
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if (!m_bFadeOut)
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flEffectPerc = 1.0f - flEffectPerc;
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RenderColorFrame( pRenderContext, flEffectPerc, 0, x, y, w, h );
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RenderColorFrame( pRenderContext, flEffectPerc, 1, x, y, w, h );
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RenderColorFrame( pRenderContext, flEffectPerc, 2, x, y, w, h );
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// Save off this pass
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Rect_t srcRect;
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srcRect.x = x;
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srcRect.y = y;
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srcRect.width = w;
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srcRect.height = h;
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pRenderContext->CopyRenderTargetToTextureEx( m_StunTexture, 0, &srcRect, NULL );
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// Restore our state
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pRenderContext->MatrixMode( MATERIAL_VIEW );
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pRenderContext->PopMatrix();
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pRenderContext->MatrixMode( MATERIAL_PROJECTION );
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pRenderContext->PopMatrix();
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}
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#endif
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@ -116,4 +116,38 @@ private:
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ADD_SCREENSPACE_EFFECT( CEP2StunEffect, ep2_groggy );
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#ifdef MAPBASE
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class CChromaticAberrationEffect : public IScreenSpaceEffect
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{
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public:
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CChromaticAberrationEffect( void ) :
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m_flDuration( 0.0f ),
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m_flFinishTime( 0.0f ),
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m_bUpdateView( true ),
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m_bEnabled( false ),
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m_bFadeOut( false ) {}
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virtual void Init( void );
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virtual void Shutdown( void );
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virtual void SetParameters( KeyValues *params );
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virtual void Enable( bool bEnable ) { m_bEnabled = bEnable; };
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virtual bool IsEnabled( ) { return m_bEnabled; }
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virtual void RenderColorFrame( CMatRenderContextPtr &pRenderContext, float flEffectPerc, int nColorMode, int x, int y, int w, int h );
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virtual void Render( int x, int y, int w, int h );
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private:
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CTextureReference m_StunTexture;
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CMaterialReference m_EffectMaterial;
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float m_flDuration;
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float m_flFinishTime;
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bool m_bUpdateView;
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bool m_bStretch;
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bool m_bFadeOut;
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bool m_bEnabled;
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};
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ADD_SCREENSPACE_EFFECT( CChromaticAberrationEffect, mapbase_chromatic_aberration );
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#endif
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#endif // EPISODIC_SCREENSPACEEFFECTS_H
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