创建directx9法线贴图纹理

Question

我想为我的地形网格创建一个普通的地图纹理，我用我的cpu生成，我不是要你为我编写我的代码。我要求你发给我一个独立的教程，因为我得到的每个教程都有一个倒退系列，我不想回去......请帮助我。或者给我一些我应该做的事情......

My Terrain.h

#ifndef TERRAIN_H
#define TERRAIN_H
#endif

#include "d3dUtil.h"
#include <string>
const int NUM_VERTS = 528;
const int NUM_INDICES = 792;

class Terrain{
public:
    //Constructor
    Terrain(int x, int y, int z, std::wstring fileName, char* heightmap);
    Terrain(int x, int y, int z, std::wstring fileName, float terrainData[64][64][4]);
    //Destructor
    ~Terrain();
    //Methods
    void Initialize(IDirect3DDevice9* device);
    void Update(float dt);
    void Draw(IDirect3DDevice9* device);
    void Release();
    void raiseVertex(int X, int Z, IDirect3DDevice9* device);
    //Publc attributes
    int m_iXPos;
    int m_iYPos;
    int m_iZPos;
    std::wstring texName;
    float m_faTerrainData[64][64][4];

private:
    //Attributes
    int m_iWidth;
    int m_iHeight;
    int m_iVertexCount;
    int m_iIndeciseCount;
    D3DXMATRIX world;
    IDirect3DVertexBuffer9* vBuffer;
    IDirect3DIndexBuffer9*  iBuffer;
    IDirect3DTexture9* texture;
    D3DXMATRIX GetWorld();
    D3DMATERIAL9 material;

};

My Terrain.cpp

#include "Terrain.h"
#include <math.h>

static const int NUMV;

Terrain::Terrain(int x, int y, int z, std::wstring fileName, float terrainData[64][64][4]){
    float test[64][64][4];
    float val = 10;
    for(int X = 0; X < 64; X ++){
        for(int Y = 0; Y < 64; Y ++){
            for(int Z = 0; Z < 4; Z ++){
                val = terrainData[X][Y][Z];
                m_faTerrainData[X][Y][Z] = val;
            }
        }
    }
    m_iXPos = x;
    m_iYPos = y;
    m_iZPos = z;
    m_iVertexCount =  16384;
    m_iIndeciseCount = 24576;
    texName = fileName;
    material.Ambient = (D3DXCOLOR)d3dColors::WHITE;
    material.Diffuse = (D3DXCOLOR)d3dColors::WHITE;
    material.Emissive = (D3DXCOLOR)d3dColors::BLACK;
    material.Power = 5.0f;
    material.Specular = (D3DXCOLOR)d3dColors::WHITE;
}

Terrain::Terrain(int x, int y, int z, std::wstring fileName, char* heightmap){
    m_iXPos = x;
    m_iYPos = y;
    m_iZPos = z;
    m_iVertexCount =  16384;
    m_iIndeciseCount = 24576;
    BYTE R = 0;
    BYTE G = 0;
    BYTE B = 0;
    texName = fileName;
    material.Ambient = (D3DXCOLOR)d3dColors::WHITE;
    material.Diffuse = (D3DXCOLOR)d3dColors::WHITE;
    material.Emissive = (D3DXCOLOR)d3dColors::BLACK;
    material.Power = 5.0f;
    material.Specular = (D3DXCOLOR)d3dColors::WHITE;
}

Terrain::~Terrain(){

}


void Terrain::Initialize(IDirect3DDevice9* device){
    D3DVertex::VertexPositionNormalTexture verts[16384];
    WORD indices[24576];
    float j = sqrt((float)(m_iVertexCount / 4));
    float n = 0;    
    float g = 0;
    float X = 32;
    float Z = 32;
    float textRep = 1.0f;
    float textRepo = 0.0f;
int iVertex = 0;
int iIndex = 0;
for(int x = 0; x < j; x ++){
    for(int z = 0; z < j; z ++){
        if(iVertex < m_iVertexCount){
            verts[iVertex] = D3DVertex::VertexPositionNormalTexture(x, m_faTerrainData[(int)x][(int)z][0], z+1, n, 1.0f, g, textRepo, textRepo);
            verts[iVertex+1] = D3DVertex::VertexPositionNormalTexture(x+1,  m_faTerrainData[(int)x][(int)z][1], z+1, n, 1.0f, g, textRep, textRepo);
            verts[iVertex+2] = D3DVertex::VertexPositionNormalTexture(x,  m_faTerrainData[(int)x][(int)z][2], z, n, 1.0f, g, textRepo, textRep);
            verts[iVertex+3] = D3DVertex::VertexPositionNormalTexture(x+1,  m_faTerrainData[(int)x][(int)z][3], z, n, 1.0f, g, textRep, textRep);
            textRep += 0.5f;
            textRepo += 0.5f;
            if(textRep > 1){
                textRep = 1;
                    textRepo = 0;
            }
        indices[iIndex  ] = iVertex;
        indices[iIndex+1] = iVertex+1;
        indices[iIndex+2] = iVertex+2;
        indices[iIndex+3] = iVertex+2;
        indices[iIndex+4] = iVertex+1;
        indices[iIndex+5] = iVertex+3;

        iVertex += 4;
        iIndex += 6;
        }
    }
}
    device->CreateVertexBuffer(m_iVertexCount * sizeof(D3DVertex::VertexPositionNormalTexture),
        NULL,
        D3DVertex::VertexPositionNormalTexture::FVF,
        D3DPOOL_MANAGED,
        &vBuffer,
        NULL);

    VOID* pVerts;
    vBuffer->Lock(0, sizeof(verts), (void**)&pVerts, 0);
    memcpy_s(pVerts, sizeof(verts), verts, sizeof(verts));
    vBuffer->Unlock();
    device->CreateIndexBuffer(m_iIndeciseCount * sizeof(WORD), D3DUSAGE_WRITEONLY,
        D3DFMT_INDEX16,
        D3DPOOL_MANAGED,
        &iBuffer,
        NULL);

    VOID* pIndices;
    iBuffer->Lock(0, sizeof(indices), (void**)&pIndices, 0);
    memcpy_s(pIndices, sizeof(indices), indices, sizeof(indices));
    iBuffer->Unlock();

    //Load texture
    D3DXCreateTextureFromFile(device, texName.c_str(), &texture);
    if(!texture){
        MessageBox(NULL, L"Could not load texture", NULL, NULL);
        return;
    }
}

void Terrain::Update(float dt){
    //  rotation.y += dt;
    //rotation.x += dt;
    //rotation.z += dt;
}

void Terrain::Draw(IDirect3DDevice9* device){
    device->SetTexture(0, texture);
    device->SetMaterial(&material);
    device->SetTransform(D3DTS_WORLD, &GetWorld());
    device->SetRenderState(D3DRS_NORMALIZENORMALS, true);
    device->SetStreamSource(0, vBuffer, 0, sizeof(D3DVertex::VertexPositionNormalTexture));
    device->SetIndices(iBuffer);
    device->SetFVF(D3DVertex::VertexPositionNormalTexture::FVF);
    device->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, m_iIndeciseCount, 0, m_iIndeciseCount/3);
}

D3DXMATRIX Terrain::GetWorld(){
    D3DXMATRIX _scale, rX, rY, rZ, tRanslate;
    D3DXVECTOR3 scale = D3DXVECTOR3(1.0f, 1.0f, 1.0f);
    D3DXVECTOR3 rotation = D3DXVECTOR3(0.0f, 0.0f, 0.0f);
    D3DXVECTOR3 position = D3DXVECTOR3(m_iXPos, m_iYPos, m_iZPos);
    D3DXMatrixScaling(&_scale, scale.x, scale.y, scale.z);
    D3DXMatrixRotationX(&rX, rotation.x);
    D3DXMatrixRotationY(&rY, rotation.y);
    D3DXMatrixRotationZ(&rZ, rotation.z);
    D3DXMatrixTranslation(&tRanslate, position.x, position.y, position.z);
    world = _scale * rX * rY* rZ* tRanslate;
    return world;
}

void Terrain::Release(){
    delete(iBuffer);
    delete(vBuffer);
    delete(texture);
    iBuffer = 0;
    vBuffer = 0;
    texture = 0;
}

void Terrain::raiseVertex(int X, int Z, IDirect3DDevice9* device){
    iBuffer = 0;
    vBuffer = 0;
    texture = 0;
    D3DVertex::VertexPositionNormalTexture verts[16384];
    WORD indices[24576];
    float j = sqrt((float)(m_iVertexCount / 4));
    float n = 0;    
    float g = 0;

int iVertex = 0;
int iIndex = 0;
for(int x = 0; x < j; x ++){
    for(int z = 0; z < j; z ++){
        if(iVertex < m_iVertexCount){
            if(x == X)
                if(z == Z){
            verts[iVertex] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z+1, n, 1.0f, g, 0.0f, 0.0f);
            verts[iVertex+1] = D3DVertex::VertexPositionNormalTexture(x+1, 0.5f, z+1, n, 1.0f, g, 1.0f, 0.0f);
            verts[iVertex+2] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z, n, 1.0f, g, 0.0f, 1.0f);
            verts[iVertex+3] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z, n, 1.0f, g, 1.0f, 1.0f);
                }else
                if(x == X)
                if(z-1 == Z){
            verts[iVertex] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z+1, n, 1.0f, g, 0.0f, 0.0f);
            verts[iVertex+1] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z+1, n, 1.0f, g, 1.0f, 0.0f);
            verts[iVertex+2] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z, n, 1.0f, g, 0.0f, 1.0f);
            verts[iVertex+3] = D3DVertex::VertexPositionNormalTexture(x+1, 0.5f, z, n, 1.0f, g, 1.0f, 1.0f);
                }else
                if(x-1 == X)
                if(z == Z){
            verts[iVertex] = D3DVertex::VertexPositionNormalTexture(x, 0.5f, z+1, n, 1.0f, g, 0.0f, 0.0f);
            verts[iVertex+1] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z+1, n, 1.0f, g, 1.0f, 0.0f);
            verts[iVertex+2] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z, n, 1.0f, g, 0.0f, 1.0f);
            verts[iVertex+3] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z, n, 1.0f, g, 1.0f, 1.0f);
                }else
                if(x-1 == X)
                if(z-1 == Z){
            verts[iVertex] = D3DVertex::VertexPositionNormalTexture(x, 0.0f, z+1, n, 1.0f, g, 0.0f, 0.0f);
            verts[iVertex+1] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z+1, n, 1.0f, g, 1.0f, 0.0f);
            verts[iVertex+2] = D3DVertex::VertexPositionNormalTexture(x, 0.5f, z, n, 1.0f, g, 0.0f, 1.0f);
            verts[iVertex+3] = D3DVertex::VertexPositionNormalTexture(x+1, 0.0f, z, n, 1.0f, g, 1.0f, 1.0f);
                }
        indices[iIndex  ] = iVertex;
        indices[iIndex+1] = iVertex+1;
        indices[iIndex+2] = iVertex+2;
        indices[iIndex+3] = iVertex+2;
        indices[iIndex+4] = iVertex+1;
        indices[iIndex+5] = iVertex+3;

        iVertex += 4;
        iIndex += 6;
        }
    }
}
    device->CreateVertexBuffer(m_iVertexCount * sizeof(D3DVertex::VertexPositionNormalTexture),
        NULL,
        D3DVertex::VertexPositionNormalTexture::FVF,
        D3DPOOL_MANAGED,
        &vBuffer,
        NULL);

    VOID* pVerts;
    vBuffer->Lock(0, sizeof(verts), (void**)&pVerts, 0);
    memcpy_s(pVerts, sizeof(verts), verts, sizeof(verts));
    vBuffer->Unlock();
    device->CreateIndexBuffer(m_iIndeciseCount * sizeof(WORD), D3DUSAGE_WRITEONLY,
        D3DFMT_INDEX16,
        D3DPOOL_MANAGED,
        &iBuffer,
        NULL);

    VOID* pIndices;
    iBuffer->Lock(0, sizeof(indices), (void**)&pIndices, 0);
    memcpy_s(pIndices, sizeof(indices), indices, sizeof(indices));
    iBuffer->Unlock();

    //Load texture
    D3DXCreateTextureFromFile(device, texName.c_str(), &texture);
    if(!texture){
        MessageBox(NULL, L"Could not load texture", NULL, NULL);
        return;
    }
}

我要问的是一个允许我保留代码的教程。如果你能帮助我实现一个普通的地图，并解释那将是多么伟大但不是必要的。我想学习directX而不仅仅是从别人那里复制代码。 DIRECTX版本= 2010年6月