www.pudn.com > packmk2.rar > water_R300.fx

// oi oi 
 
float4x4	mViewProj; 
float4x4	mView; 
float4		view_position; 
float3		watercolour; 
float		LODbias; 
float		sun_shininess, sun_strength; 
float3		sun_vec; 
float		reflrefr_offset; 
bool		diffuseSkyRef; 
 
texture EnvironmentMap; 
 
texture FresnelMap; 
texture Heightmap; 
texture Normalmap; 
texture Refractionmap; 
texture Reflectionmap; 
texture noiseXZ; 
 
struct VS_INPUT 
{ 
    float3 Pos      : POSITION; 
	float3 Normal   : NORMAL; 
	float2 tc		: TEXCOORD0; 
}; 
 
struct VS_OUTPUT 
{ 
    float4  Pos			: POSITION;     
	float2	tc			: TEXCOORD0; 
	float3  normal		: TEXCOORD1; 
	float3	viewvec		: TEXCOORD2; 
	float3	screenPos	: TEXCOORD3;	 
	float3  worldPos	: TEXCOORD4; 
	float3	screenPosDis	: TEXCOORD5; 
}; 
 
samplerCUBE sky = sampler_state 
{   
    Texture = ;  
    MipFilter = NONE;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = WRAP;		 
    AddressV  = WRAP; 
    AddressW  = WRAP; 
	//MipMapLodBias = (LODbias); 
//	SRGBTexture = true; 
}; 
 
sampler fresnel = sampler_state 
{   
    Texture = ;  
    MipFilter = NONE;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = CLAMP;		 
	AddressV  = CLAMP; 
 
}; 
 
sampler hmap = sampler_state 
{   
    Texture = ;  
    MipFilter = LINEAR;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = CLAMP;		 
	AddressV  = CLAMP;		 
}; 
 
sampler nmap = sampler_state 
{   
    Texture = ;  
    MipFilter = LINEAR;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = CLAMP;		 
	AddressV  = CLAMP;		 
}; 
 
sampler refrmap = sampler_state 
{   
    Texture = ;  
    MipFilter = LINEAR;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = CLAMP;		 
	AddressV  = CLAMP;	 
 
}; 
 
sampler reflmap = sampler_state 
{   
    Texture = ;  
    MipFilter = LINEAR;  
    MinFilter = LINEAR;  
    MagFilter = LINEAR;  
	AddressU  = CLAMP;		 
	AddressV  = CLAMP;			 
	MipMapLodBias = (LODbias); 
 
}; 
 
sampler noise = sampler_state  
{ 
	texture = ; 
	AddressU  = WRAP;		 
	AddressV  = WRAP; 
	MIPFILTER = POINT; //LINEAR; 
	MINFILTER = LINEAR; 
	MAGFILTER = LINEAR;	 
}; 
 
/* DX9 class shaders	*/ 
 
VS_OUTPUT VShaderR300(VS_INPUT i) 
{ 
    VS_OUTPUT   o; 
	o.worldPos = i.Pos.xyz/4; 
	 
    o.Pos = mul(float4(i.Pos.xyz,1), mViewProj);     
	o.normal = normalize(i.Normal.xyz); 
	o.viewvec = normalize(i.Pos.xyz - view_position.xyz/view_position.w); 
	o.tc = i.tc;	 
	 
	o.screenPosDis = (o.Pos.xyz / o.Pos.w); 
	o.screenPosDis.xy = 0.5 + 0.5*o.screenPosDis.xy*float2(1,-1); 
	o.screenPosDis.z = reflrefr_offset/o.screenPosDis.z; 
	 
	// alt screenpos 
 
	float4 tpos = mul(float4(i.Pos.x,0,i.Pos.z,1), mViewProj); 
	o.screenPos = tpos.xyz/tpos.w; 
	o.screenPos.xy = 0.5 + 0.5*o.screenPos.xy*float2(1,-1); 
	o.screenPos.z = reflrefr_offset/o.screenPos.z;	 
	 
	return o; 
} 
 
 
float4 PShaderR300(VS_OUTPUT i) : COLOR 
{ 
    float4 ut; 
	ut.a = 1; 
	float3 v = i.viewvec; 
	float3 N = 2*tex2D(nmap,i.tc)-1; 
		 
	float3 R = normalize(reflect(v,N));		 
	 
	//R.y = max(R.y,0); 
	float f = tex1D(fresnel,dot(R,N));		 
		 
	float3 sunlight = sun_strength*pow(saturate(dot(R, sun_vec)),sun_shininess)*float3(1.2, 0.4, 0.1); 
	float4 refl = tex2D(reflmap,i.screenPos.xy-i.screenPos.z*N.xz); 
	float3 skyrefl; 
	skyrefl = texCUBE(sky,R); 
	 
	float3 col = lerp(skyrefl+sunlight,refl.rgb,refl.a); 
	float3 refr = tex2D(refrmap,i.screenPos.xy-i.screenPos.z*N.xz); 
	ut.rgb = lerp( refr, col, f); 
			 
    return ut; 
} 
 
 
technique T0 
{ 
    pass P0 
    {         
		pixelshader = compile ps_2_0 PShaderR300(); 
		vertexshader = compile vs_1_1 VShaderR300(); 
	} 
}