hm, i have no idea where's the mistake, but i can provide some code which actually works on level geometry ( i assume you know how to use apply them via d3d_automaterial):

Code:
matrix matWorldViewProj;
matrix matWorld;

texture mtlSkin1;
texture entSkin1;
texture entSkin2;
vector vecLight;

technique dot3map
{
pass p0
{
Texture[0] = <mtlSkin1>;
Texture[1] = <entSkin2>;
Texture[2] = <entSkin1>;
TextureFactor = 0xFFFFFFFF;

COLOROP[0] = DotProduct3;
COLORARG1[0] = Texture;
COLORARG2[0] = TFactor;
TexCoordIndex[0] = 1;

COLOROP[1] = Modulate;
COLORARG1[1] = Texture;
COLORARG2[1] = Current;
TexCoordIndex[1] = 0;

magFilter[2]=Linear;
minFilter[2]=Linear;
mipFilter[2]=Linear;
COLOROP[2] = AddSigned;
COLORARG1[2] = Texture;
COLORARG2[2] = Current;
TexCoordIndex[2] = 1;
}
}


Code:
float4x4 matWorld;
float4x4 matWorldViewProj;
vector vecLight; // oder aber LightPos
texture entSkin1; // Wad Tex
texture entSkin2; // Light,Shadow Tex
texture mtlSkin1; // Normal Map
float4 BumpHeight = { 1.0, 0.0, 0.0, 0.0};
float4 LightPos = {1.0, 1.5, 1.0, 0.0 };

technique bump_diffuse
{
pass p0
{

VertexShaderConstant[0] = <matWorld>;
VertexShaderConstant[4] = <matWorldViewProj>;
VertexShaderConstant[8] = <matWorld>;
VertexShaderConstant[12] = <vecLight>;//<LightPos>;
VertexShaderConstant[13] = {1.0, 0.5, 0.7, 0.0}; // 1.0 und 0.5 Lichteinfall
VertexShaderConstant[14] = <BumpHeight>; // 0.7 Gesamthelligkeit
VertexShaderConstant[90] = {1.0,1.0,1.0,1.0};

VertexShader =
asm
{
vs.1.1

dcl_position v0
dcl_normal v3
dcl_color v5
dcl_texcoord1 v7
dcl_tangent v8
dcl_binormal v9
dcl_texcoord0 v10

m4x4 oPos, v0, c4 // Position Screen
mov oT0, v7 // Tex Coords Normal Map
mov oT1, v7 // Tex Coords Diffuse Map
mov oT2, v10 // Tex Coords Light&Shadow
mov oFog, c90.w

mov r0, c12
dp3 r0.w, r0, r0
rsq r0.w, r0.w
mul r0, r0, r0.w

// Licht zu Object
dp3 r2.x, v8, r0 // Tangent
dp3 r2.y, c9, r0 // Binormal
dp3 r2.z, c10, r0 // Normal

// Licht zu Tangent
dp3 r1.x, v8, r2 // Tangent
dp3 r1.y, v9, r2 // Binormal
dp3 r1.z, v3, r2 // Normal
sge r1.w, r1.x, r1.x

mov r0, c13
add r0, r0, r0
mul r0, r1, r0

mad oD0, r0, c13, c13
};

Zenable = true;
ZWriteEnable = true;

Texture[0] = <mtlSkin1>; // Normal map
MinFilter[0] = Linear;
MagFilter[0] = Linear;
MipFilter[0] = Linear;

Texture[1] = <entSkin1>; // Diffuse map (wad texture)
MinFilter[1] = Linear;
MagFilter[1] = Linear;
MipFilter[1] = Linear;

Texture[2] = <entSkin2>; // Licht & Schatten (wad texture)
MinFilter[2] = Linear;
MagFilter[2] = Linear;
MipFilter[2] = Linear;

ColorArg1[0] = Texture;
ColorArg2[0] = Diffuse;
AlphaArg1[0] = Texture;
AlphaArg2[0] = Diffuse;
ColorOp[0] = DotProduct3;
AlphaOp[0] = SelectArg1;

ColorArg1[1] = Current;
ColorArg2[1] = Texture;
ColorOp[1] = Modulate2x; //4x mehr glanz

AlphaOp[1] = SelectArg1;

COLORARG1[2] = Texture;
COLORARG2[2] = Current;
COLOROP[2] = Modulate4x;

}
}


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