Help with renderMonkey

by Danny Mejia · in Torque Game Engine Advanced · 05/01/2007 (6:48 pm) · 7 replies · 05/01/2007 (6:49 pm)

new ShaderData( fire )
{
   DXVertexShaderFile     = "shaders/fireV.hlsl";
   DXPixelShaderFile      = "shaders/fireP.hlsl";
   pixVersion = 2.0;
};
#define IN_HLSL
#include "shdrConsts.h"

struct VS_OUTPUT
{
   float4 Pos       : POSITION;
   float4 TexCoord0 : TEXCOORD0;
   float4 TexCoord1 : TEXCOORD1;
   float4 TexCoord2 : TEXCOORD2;
   float4 TexCoord3 : TEXCOORD3;
};

struct VS_INPUT
{
float4 Pos			: POSITION;
float4 texCoord		: TEXCOORD0;

};

VS_OUTPUT main(VS_INPUT In,
				uniform float4x4 modelview : register(VC_WORLD_PROJ)

)
{
   VS_OUTPUT Out;

   float4 layer_speed;
   layer_speed.x = 0.68753;		//MVitelli Pulled from RM shader
   layer_speed.y = 0.52000;
   layer_speed.z = 0.75340;
   layer_speed.w = 1.0; 

   float time_0_X;				//MVitelli No idea what to do here

   // Align quad with the screen
   Out.Pos = mul(modelview, In.Pos);

   //MVitelli This is similar to the water vertex shaders, but until there's a new class for this, let the material system handle all of the movement.

   // Output TexCoord0 directly
   Out.TexCoord0 = In.texCoord;

   // Base texture coordinates plus scaled time
   Out.TexCoord1 = In.texCoord;
   //Out.TexCoord1.x = In.texCoord.x;
   //Out.TexCoord1.y = In.texCoord.y + layer_speed.x * time_0_X;

   // Base texture coordinates plus scaled time
   Out.TexCoord2 = In.texCoord;
   //Out.TexCoord2.x = In.texCoord.x;
   //Out.TexCoord2.y = In.texCoord.y + layer_speed.y * time_0_X;

   // Base texture coordinates plus scaled time
   Out.TexCoord3 = In.texCoord;
   //Out.TexCoord3.x = In.texCoord.x;
   //Out.TexCoord3.y = In.texCoord.y + layer_speed.z * time_0_X;

   return Out;
}
#define IN_HLSL
#include "shdrConsts.h"

struct VertData
{
float4 tc0 : TEXCOORD0; 
float4 tc1 : TEXCOORD1;
float4 tc2 : TEXCOORD2; 
float4 tc3 : TEXCOORD3;

};
//MVitelli ported RenderMonkey Fire Shader
// Bias and double a value to take it from 0..1 range to -1..1 range
float4 bx2(float x)
{
   return 2.0f * x - 1.0f;
}

float4 main (VertData In,
             uniform sampler2D fire_base : register(S0),
             uniform sampler2D fire_distortion : register(S1),
             uniform sampler2D fire_opacity	   : register(S2)
) : COLOR
{
   // Sample noise map three times with different texture coordinates
    float distortion_amount2 = 0.07230;
	float4 height_attenuation;
	height_attenuation.x = 0.44000;
	height_attenuation.y = 0.29000;
	height_attenuation.z = 0;
	height_attenuation.w = 1.0;
	float distortion_amount1 = 0.09100;
	float distortion_amount0 = 0.12300;

   float4 noise0 = tex2D(fire_distortion, In.tc1);
   float4 noise1 = tex2D(fire_distortion, In.tc2);
   float4 noise2 = tex2D(fire_distortion, In.tc3);

   // Weighted sum of signed noise
   float4 noiseSum = bx2(noise0) * distortion_amount0 + bx2(noise1) * distortion_amount1 + bx2(noise2) * distortion_amount2;
   //float4 noiseSum = distortion_amount0 * distortion_amount1 * distortion_amount2;

   // Perturb base coordinates in direction of noiseSum as function of height (y)
   float4 perturbedBaseCoords = In.tc0 + noiseSum * (In.tc0.y * height_attenuation.x + height_attenuation.y);

   // Sample base and opacity maps with perturbed coordinates
   float4 base = tex2D(fire_base, perturbedBaseCoords);
   float4 opacity = tex2D(fire_opacity, perturbedBaseCoords);

   float4 final = base;// * opacity;

   return final;
}

Game Development Community

Help with renderMonkey

About the author

Recent Threads