156 lines
6.7 KiB
Plaintext
156 lines
6.7 KiB
Plaintext
//========= Copyright © 1996-2006, Valve Corporation, All rights reserved. ============//
|
|
|
|
// STATIC: "HALFLAMBERT" "0..1"
|
|
// STATIC: "USE_STATIC_CONTROL_FLOW" "0..1" [vs20]
|
|
|
|
// DYNAMIC: "COMPRESSED_VERTS" "0..1"
|
|
// DYNAMIC: "SKINNING" "0..1"
|
|
// DYNAMIC: "DOWATERFOG" "0..1"
|
|
// DYNAMIC: "DYNAMIC_LIGHT" "0..1"
|
|
// DYNAMIC: "STATIC_LIGHT" "0..1"
|
|
// DYNAMIC: "NUM_LIGHTS" "0..2" [vs20]
|
|
|
|
// If using static control flow on Direct3D, we should use the NUM_LIGHTS=0 combo
|
|
// SKIP: $USE_STATIC_CONTROL_FLOW && ( $NUM_LIGHTS > 0 ) [vs20]
|
|
|
|
// Includes
|
|
#include "common_vs_fxc.h"
|
|
|
|
// Globals
|
|
static const int g_iFogType = DOWATERFOG;
|
|
static const bool g_bHalfLambert = HALFLAMBERT ? true : false;
|
|
static const bool g_bSkinning = SKINNING ? true : false;
|
|
|
|
const float4 g_vConst0 : register( SHADER_SPECIFIC_CONST_0 );
|
|
#define g_flTime g_vConst0.x
|
|
#define g_flNoiseUvScroll g_vConst0.y
|
|
#define g_flBorderNoiseScale g_vConst0.z
|
|
#define g_flDebugForceFleshOn g_vConst0.w
|
|
|
|
const float4 g_vEffectCenterOoRadius1 : register( SHADER_SPECIFIC_CONST_1 ); //= { -295.0f, -5.0f, 40.0f, 1.0f/20.0f };
|
|
const float4 g_vEffectCenterOoRadius2 : register( SHADER_SPECIFIC_CONST_2 ); //= { -295.0f, 15.0f, 40.0f, 1.0f/10.0f };
|
|
const float4 g_vEffectCenterOoRadius3 : register( SHADER_SPECIFIC_CONST_3 ); //= { -295.0f, 35.0f, 40.0f, 1.0f/10.0f };
|
|
const float4 g_vEffectCenterOoRadius4 : register( SHADER_SPECIFIC_CONST_4 ); //= { -295.0f, 55.0f, 40.0f, 1.0f/10.0f };
|
|
|
|
// Structs
|
|
struct VS_INPUT
|
|
{
|
|
float4 vPos : POSITION; // Position
|
|
float4 vNormal : NORMAL; // Normal
|
|
float4 vBoneWeights : BLENDWEIGHT; // Skin weights
|
|
float4 vBoneIndices : BLENDINDICES; // Skin indices
|
|
float4 vTexCoord0 : TEXCOORD0; // Base texture coordinates
|
|
float3 vPosFlex : POSITION1; // Delta positions for flexing
|
|
float4 vTangent : TANGENT;
|
|
};
|
|
|
|
struct VS_OUTPUT
|
|
{
|
|
float4 vProjPosition : POSITION; // Projection-space position
|
|
float2 vTexCoord0 : TEXCOORD0;
|
|
float2 flDistanceToEffectCenter_flFresnelEffect : TEXCOORD1;
|
|
float4 vNoiseTexCoord : TEXCOORD2;
|
|
float3 vTangentViewVector : TEXCOORD3;
|
|
float3 cVertexLight : TEXCOORD4;
|
|
float3x3 mTangentSpaceTranspose : TEXCOORD5;
|
|
// second row : TEXCOORD6;
|
|
// third row : TEXCOORD7;
|
|
|
|
};
|
|
|
|
// Main
|
|
VS_OUTPUT main( const VS_INPUT i )
|
|
{
|
|
VS_OUTPUT o;
|
|
|
|
// Flexes coming in from a separate stream (contribution masked by cFlexScale.x)
|
|
float4 vObjPosition = i.vPos;
|
|
vObjPosition.xyz += i.vPosFlex.xyz * cFlexScale.x;
|
|
|
|
float3 vObjNormal;
|
|
float4 vObjTangent;
|
|
DecompressVertex_NormalTangent( i.vNormal, i.vTangent, vObjNormal, vObjTangent );
|
|
|
|
// Transform the position
|
|
float3 vWorldPosition = { 0.0f, 0.0f, 0.0f };
|
|
float3 vWorldNormal = { 0.0f, 0.0f, 0.0f };
|
|
float3 vWorldTangent = { 0.0f, 0.0f, 0.0f };
|
|
float3 vWorldBinormal = { 0.0f, 0.0f, 0.0f };
|
|
SkinPositionNormalAndTangentSpace( g_bSkinning, vObjPosition, vObjNormal, vObjTangent, i.vBoneWeights, i.vBoneIndices, vWorldPosition, vWorldNormal, vWorldTangent, vWorldBinormal );
|
|
|
|
// Transform into projection space
|
|
float4 vProjPosition = mul( float4( vWorldPosition, 1.0f ), cViewProj );
|
|
o.vProjPosition = vProjPosition;
|
|
|
|
// Pass through tex coords
|
|
o.vTexCoord0.xy = i.vTexCoord0.xy;
|
|
|
|
// Store the closest effect intensity
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = 9999.0f; // A very large distance
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - g_vEffectCenterOoRadius1.xyz ) * g_vEffectCenterOoRadius1.w );
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - g_vEffectCenterOoRadius2.xyz ) * g_vEffectCenterOoRadius2.w );
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - g_vEffectCenterOoRadius3.xyz ) * g_vEffectCenterOoRadius3.w );
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - g_vEffectCenterOoRadius4.xyz ) * g_vEffectCenterOoRadius4.w );
|
|
|
|
/*
|
|
// Test values for development in Alyx_interior map
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = 9999.0f; // A very large distance
|
|
float3 vTestPosition = { -295.0f, -5.0f, 40.0f };
|
|
float flMinY = -5.0f;
|
|
float flMaxY = 66.0f;
|
|
vTestPosition.y = lerp( flMinY, flMaxY, ( abs( frac( g_flTime / 20.0f ) * 2.0 - 1.0 ) ) );
|
|
//vTestPosition.y = lerp( flMinY, flMaxY, 0.65f );
|
|
|
|
//1.0f - saturate( i.flDistanceToEffectCenter_flFresnelEffect.x * 4.0f - 3.0f )
|
|
|
|
//o.flDistanceToEffectCenter_flFresnelEffect.x = 9999.0f; // A very large distance
|
|
|
|
const float g_flInteriorRadius = 20.0f;
|
|
if ( g_flInteriorRadius )
|
|
{
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - vTestPosition.xyz ) / g_flInteriorRadius );
|
|
}
|
|
|
|
const float g_flInteriorRadius2 = 14.0f;
|
|
if ( g_flInteriorRadius2 )
|
|
{
|
|
vTestPosition.y = lerp( flMinY, flMaxY, 0.65f );
|
|
//vTestPosition.z = lerp( 37, 45, ( abs( frac( g_flTime / 4.0f ) * 2.0 - 1.0 ) ) );
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = min( o.flDistanceToEffectCenter_flFresnelEffect.x, length( vWorldPosition.xyz - vTestPosition.xyz ) / g_flInteriorRadius2 );
|
|
}
|
|
//*/
|
|
|
|
if ( g_flDebugForceFleshOn )
|
|
{
|
|
o.flDistanceToEffectCenter_flFresnelEffect.x = 0.0f;
|
|
}
|
|
|
|
// Fresnel mask
|
|
float3 vWorldViewVector = normalize( vWorldPosition.xyz - cEyePos.xyz );
|
|
o.flDistanceToEffectCenter_flFresnelEffect.y = pow( saturate( dot( -vWorldViewVector.xyz, vWorldNormal.xyz ) ), 1.5f );
|
|
|
|
// Noise UV
|
|
o.vNoiseTexCoord.xy = o.vTexCoord0.xy * g_flBorderNoiseScale + g_flNoiseUvScroll;
|
|
o.vNoiseTexCoord.zw = o.vTexCoord0.xy * g_flBorderNoiseScale - g_flNoiseUvScroll; // Will fetch as wz to avoid matching layers
|
|
|
|
// Tangent view vector
|
|
o.vTangentViewVector.xyz = Vec3WorldToTangentNormalized( vWorldViewVector.xyz, vWorldNormal.xyz, vWorldTangent.xyz, vWorldBinormal.xyz );
|
|
|
|
// Compute vertex lighting
|
|
bool bDynamicLight = DYNAMIC_LIGHT ? true : false;
|
|
bool bStaticLight = STATIC_LIGHT ? true : false;
|
|
|
|
#if ( USE_STATIC_CONTROL_FLOW ) || defined ( SHADER_MODEL_VS_3_0 )
|
|
o.cVertexLight.rgb = DoLighting( vWorldPosition, vWorldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, g_bHalfLambert );
|
|
#else
|
|
o.cVertexLight.rgb = DoLightingUnrolled( vWorldPosition, vWorldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, g_bHalfLambert, NUM_LIGHTS );
|
|
#endif
|
|
|
|
// Tangent space transform
|
|
o.mTangentSpaceTranspose[0] = float3( vWorldTangent.x, vWorldBinormal.x, vWorldNormal.x );
|
|
o.mTangentSpaceTranspose[1] = float3( vWorldTangent.y, vWorldBinormal.y, vWorldNormal.y );
|
|
o.mTangentSpaceTranspose[2] = float3( vWorldTangent.z, vWorldBinormal.z, vWorldNormal.z );
|
|
|
|
return o;
|
|
}
|