1 files changed, 186 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/eyes.cpp b/mp/src/materialsystem/stdshaders/eyes.cpp
new file mode 100644
index 00000000..7aa4738f
--- /dev/null
+++ b/mp/src/materialsystem/stdshaders/eyes.cpp
@@ -0,0 +1,186 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: eye renderer
+//
+// $Header: $
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+#include "eyes_dx8_dx9_helper.h"
+#include "cloak_blended_pass_helper.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( eyes, Eyes_dx8 )
+
+BEGIN_VS_SHADER( Eyes_dx8, 
+			  "Help for Eyes" )
+			  
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "models/alyx/eyeball_l", "iris texture", 0 )
+		SHADER_PARAM( IRIS, SHADER_PARAM_TYPE_TEXTURE, "models/alyx/pupil_l", "iris texture" )
+		SHADER_PARAM( IRISFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame for the iris texture" )
+		SHADER_PARAM( GLINT, SHADER_PARAM_TYPE_TEXTURE, "models/humans/male/glint", "glint texture" )
+		SHADER_PARAM( EYEORIGIN, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "origin for the eyes" )
+		SHADER_PARAM( EYEUP, SHADER_PARAM_TYPE_VEC3, "[0 0 1]", "up vector for the eyes" )
+		SHADER_PARAM( IRISU, SHADER_PARAM_TYPE_VEC4, "[0 1 0 0]", "U projection vector for the iris" )
+		SHADER_PARAM( IRISV, SHADER_PARAM_TYPE_VEC4, "[0 0 1 0]", "V projection vector for the iris" )
+		SHADER_PARAM( GLINTU, SHADER_PARAM_TYPE_VEC4, "[0 1 0 0]", "U projection vector for the glint" )
+		SHADER_PARAM( GLINTV, SHADER_PARAM_TYPE_VEC4, "[0 0 1 0]", "V projection vector for the glint" )
+		SHADER_PARAM( DILATION, SHADER_PARAM_TYPE_FLOAT, "0", "Iris dilation" )
+		SHADER_PARAM( INTRO, SHADER_PARAM_TYPE_BOOL, "0", "is eyes in the ep1 intro" )
+ 	    SHADER_PARAM( ENTITYORIGIN, SHADER_PARAM_TYPE_VEC3,"0.0","center if the model in world space" )
+ 	    SHADER_PARAM( WARPPARAM, SHADER_PARAM_TYPE_FLOAT,"0.0","animation param between 0 and 1" )
+
+		// Cloak Pass
+		SHADER_PARAM( CLOAKPASSENABLED, SHADER_PARAM_TYPE_BOOL, "0", "Enables cloak render in a second pass" )
+		SHADER_PARAM( CLOAKFACTOR, SHADER_PARAM_TYPE_FLOAT, "0.0", "" )
+		SHADER_PARAM( CLOAKCOLORTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "Cloak color tint" )
+		SHADER_PARAM( REFRACTAMOUNT, SHADER_PARAM_TYPE_FLOAT, "2", "" )
+	END_SHADER_PARAMS
+
+	void SetupVars( Eyes_DX8_DX9_Vars_t &info )
+	{
+		info.m_nBaseTexture = BASETEXTURE;
+		info.m_nFrame = FRAME;
+		info.m_nIris = IRIS;
+		info.m_nIrisFrame = IRISFRAME;
+		info.m_nGlint = GLINT;
+		info.m_nEyeOrigin = EYEORIGIN;
+		info.m_nEyeUp = EYEUP;
+		info.m_nIrisU = IRISU;
+		info.m_nIrisV = IRISV;
+		info.m_nGlintU = GLINTU;
+		info.m_nGlintV = GLINTV;
+		info.m_nDilation = DILATION;
+		info.m_nIntro = INTRO;
+		info.m_nEntityOrigin = ENTITYORIGIN;
+		info.m_nWarpParam = WARPPARAM;
+	}
+
+	// Cloak Pass
+	void SetupVarsCloakBlendedPass( CloakBlendedPassVars_t &info )
+	{
+		info.m_nCloakFactor = CLOAKFACTOR;
+		info.m_nCloakColorTint = CLOAKCOLORTINT;
+		info.m_nRefractAmount = REFRACTAMOUNT;
+	}
+
+	bool NeedsPowerOfTwoFrameBufferTexture( IMaterialVar **params, bool bCheckSpecificToThisFrame ) const 
+	{ 
+		if ( params[CLOAKPASSENABLED]->GetIntValue() ) // If material supports cloaking
+		{
+			if ( bCheckSpecificToThisFrame == false ) // For setting model flag at load time
+				return true;
+			else if ( ( params[CLOAKFACTOR]->GetFloatValue() > 0.0f ) && ( params[CLOAKFACTOR]->GetFloatValue() < 1.0f ) ) // Per-frame check
+				return true;
+			// else, not cloaking this frame, so check flag2 in case the base material still needs it
+		}
+
+		// Check flag2 if not drawing cloak pass
+		return IS_FLAG2_SET( MATERIAL_VAR2_NEEDS_POWER_OF_TWO_FRAME_BUFFER_TEXTURE ); 
+	}
+
+	bool IsTranslucent( IMaterialVar **params ) const
+	{
+		if ( params[CLOAKPASSENABLED]->GetIntValue() ) // If material supports cloaking
+		{
+			if ( ( params[CLOAKFACTOR]->GetFloatValue() > 0.0f ) && ( params[CLOAKFACTOR]->GetFloatValue() < 1.0f ) ) // Per-frame check
+				return true;
+			// else, not cloaking this frame, so check flag in case the base material still needs it
+		}
+
+		// Check flag if not drawing cloak pass
+		return IS_FLAG_SET( MATERIAL_VAR_TRANSLUCENT ); 
+	}
+
+	SHADER_INIT_PARAMS()
+	{
+		Eyes_DX8_DX9_Vars_t info;
+		SetupVars( info );
+		InitParamsEyes_DX8_DX9( this, params, pMaterialName, info );
+
+		// Cloak Pass
+		if ( !params[CLOAKPASSENABLED]->IsDefined() )
+		{
+			params[CLOAKPASSENABLED]->SetIntValue( 0 );
+		}
+		else if ( params[CLOAKPASSENABLED]->GetIntValue() )
+		{
+			CloakBlendedPassVars_t info;
+			SetupVarsCloakBlendedPass( info );
+			InitParamsCloakBlendedPass( this, params, pMaterialName, info );
+		}
+	}
+
+	SHADER_FALLBACK
+	{
+		if ( IsPC() && g_pHardwareConfig->GetDXSupportLevel() < 80 )
+			return "Eyes_dx6";
+
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		Eyes_DX8_DX9_Vars_t info;
+		SetupVars( info );
+		InitEyes_DX8_DX9( this, params, info );
+
+		// Cloak Pass
+		if ( params[CLOAKPASSENABLED]->GetIntValue() )
+		{
+			CloakBlendedPassVars_t info;
+			SetupVarsCloakBlendedPass( info );
+			InitCloakBlendedPass( this, params, info );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		// Skip the standard rendering if cloak pass is fully opaque
+		bool bDrawStandardPass = true;
+		if ( params[CLOAKPASSENABLED]->GetIntValue() && ( pShaderShadow == NULL ) ) // && not snapshotting
+		{
+			CloakBlendedPassVars_t info;
+			SetupVarsCloakBlendedPass( info );
+			if ( CloakBlendedPassIsFullyOpaque( params, info ) )
+			{
+				// There is some strangeness in DX8 when trying to skip the main pass, so leave this alone for now
+				//bDrawStandardPass = false;
+			}
+		}
+
+		// Standard rendering pass
+		if ( bDrawStandardPass )
+		{
+			Eyes_DX8_DX9_Vars_t info;
+			SetupVars( info );
+			DrawEyes_DX8_DX9( false, this, params, pShaderAPI, pShaderShadow, info, vertexCompression );
+		}
+		else
+		{
+			// Skip this pass!
+			Draw( false );
+		}
+
+		// Cloak Pass
+		if ( params[CLOAKPASSENABLED]->GetIntValue() )
+		{
+			// If ( snapshotting ) or ( we need to draw this frame )
+			if ( ( pShaderShadow != NULL ) || ( ( params[CLOAKFACTOR]->GetFloatValue() > 0.0f ) && ( params[CLOAKFACTOR]->GetFloatValue() < 1.0f ) ) )
+			{
+				CloakBlendedPassVars_t info;
+				SetupVarsCloakBlendedPass( info );
+				DrawCloakBlendedPass( this, params, pShaderAPI, pShaderShadow, info, vertexCompression );
+			}
+			else // We're not snapshotting and we don't need to draw this frame
+			{
+				// Skip this pass!
+				Draw( false );
+			}
+		}
+	}
+END_SHADER