1 files changed, 94 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/cloud_dx9.cpp b/mp/src/materialsystem/stdshaders/cloud_dx9.cpp
new file mode 100644
index 00000000..4b04b8b4
--- /dev/null
+++ b/mp/src/materialsystem/stdshaders/cloud_dx9.cpp
@@ -0,0 +1,94 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// DirectX 9 Cloud shader
+//
+//===============================================================================
+
+#include "BaseVSShader.h"
+#include "cloud_vs20.inc"
+#include "cloud_ps20.inc"
+
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( Cloud, Cloud_dx9 )
+
+BEGIN_VS_SHADER( Cloud_dx9, "Help for Cloud" )
+
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloud", "cloud texture", 0 )
+		SHADER_PARAM( CLOUDALPHATEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloudalpha", "cloud alpha texture" )
+		SHADER_PARAM( CLOUDSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "cloudscale" )
+		SHADER_PARAM( MASKSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "maskscale" )
+	END_SHADER_PARAMS
+
+	SHADER_FALLBACK
+	{
+		if( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+			return "Cloud_dx8";
+
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		LoadTexture( BASETEXTURE, TEXTUREFLAGS_SRGB );
+		LoadTexture( CLOUDALPHATEXTURE, TEXTUREFLAGS_SRGB );
+		if ( !params[CLOUDSCALE]->IsDefined() )
+		{
+			params[CLOUDSCALE]->SetVecValue( 1.0f, 1.0f );
+		}
+		if ( !params[MASKSCALE]->IsDefined() )
+		{
+			params[MASKSCALE]->SetVecValue( 1.0f, 1.0f );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnableBlending( true );
+			if ( IS_FLAG_SET( MATERIAL_VAR_ADDITIVE ) )
+			{
+				pShaderShadow->BlendFunc( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
+			}
+			else
+			{
+				pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
+			}
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+
+			pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 2, 0, 0 );
+
+			DECLARE_STATIC_VERTEX_SHADER( cloud_vs20 );
+			SET_STATIC_VERTEX_SHADER( cloud_vs20 );
+
+			DECLARE_STATIC_PIXEL_SHADER( cloud_ps20 );
+			SET_STATIC_PIXEL_SHADER( cloud_ps20 );
+
+			DefaultFog();
+		}
+
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
+			BindTexture( SHADER_SAMPLER1, CLOUDALPHATEXTURE );
+
+			// Handle scrolling of base texture
+			SetVertexShaderTextureScaledTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM, CLOUDSCALE );
+			SetVertexShaderTextureScale( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, MASKSCALE );
+
+			DECLARE_DYNAMIC_VERTEX_SHADER( cloud_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( cloud_vs20 );
+
+			DECLARE_DYNAMIC_PIXEL_SHADER( cloud_ps20 );
+			SET_DYNAMIC_PIXEL_SHADER( cloud_ps20 );
+		}
+
+		Draw();
+	}
+END_SHADER