You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.2 KiB
77 lines
2.2 KiB
5 years ago
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
// $Header: $
|
||
|
|
// $NoKeywords: $
|
||
|
|
//=============================================================================//
|
||
|
|
|
||
|
|
#include "shaderlib/cshader.h"
|
||
|
|
|
||
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
||
|
|
#include "tier0/memdbgon.h"
|
||
|
|
|
||
|
|
BEGIN_SHADER( Cloud,
|
||
|
|
"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_INIT
|
||
|
|
{
|
||
|
|
LoadTexture( BASETEXTURE );
|
||
|
|
LoadTexture( CLOUDALPHATEXTURE );
|
||
|
|
if( !params[CLOUDSCALE]->IsDefined() )
|
||
|
|
{
|
||
|
|
params[CLOUDSCALE]->SetVecValue( 1.0f, 1.0f );
|
||
|
|
}
|
||
|
|
if( !params[MASKSCALE]->IsDefined() )
|
||
|
|
{
|
||
|
|
params[MASKSCALE]->SetVecValue( 1.0f, 1.0f );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_DRAW
|
||
|
|
{
|
||
|
|
if( g_pHardwareConfig->GetSamplerCount() >= 2 )
|
||
|
|
{
|
||
|
|
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->DrawFlags( SHADER_DRAW_POSITION |
|
||
|
|
SHADER_DRAW_TEXCOORD0 | SHADER_DRAW_TEXCOORD1 );
|
||
|
|
DefaultFog();
|
||
|
|
}
|
||
|
|
DYNAMIC_STATE
|
||
|
|
{
|
||
|
|
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
|
||
|
|
BindTexture( SHADER_SAMPLER1, CLOUDALPHATEXTURE );
|
||
|
|
|
||
|
|
// handle scrolling of base texture
|
||
|
|
SetFixedFunctionTextureScaledTransform( MATERIAL_TEXTURE0,
|
||
|
|
BASETEXTURETRANSFORM, CLOUDSCALE );
|
||
|
|
SetFixedFunctionTextureScale( MATERIAL_TEXTURE1, MASKSCALE );
|
||
|
|
}
|
||
|
|
Draw();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ShaderWarning("Cloud not supported for single-texturing boards!\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
END_SHADER
|