mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2025-09-20 04:26:03 +08:00
SDK sync.
This commit is contained in:
76
materialsystem/stdshaders/cloud.cpp
Normal file
76
materialsystem/stdshaders/cloud.cpp
Normal file
@ -0,0 +1,76 @@
|
||||
//========= Copyright <20> 1996-2005, 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
|
Reference in New Issue
Block a user