raGPUHeightmap.cpp

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#include "..\include\raMain.h"
namespace System
{
    raGPUHeightmap::raGPUHeightmap(raDirectX *dx, int width, int depth,
                                   raMaterial *mat, float tileSize)
                                   : raHoehenfeld(dx, width, depth, mat, tileSize)
    {
    }

    float raGPUHeightmap::h(float x, float z)
    {
        return 0;
    }
    raVector3 raGPUHeightmap::normal(float x, float z)
    {
        return raVector3(0.0f, 1.0f, 0.0f);
    }

    //--------------------
    raGPUHeightmapMaterial::raGPUHeightmapMaterial(raDirectX *dx, LPCSTR effectFile,
                                                   LPCSTR techniqueName, LPCSTR texture,
                                                   LPCSTR heightmap, LPCSTR heightmapBump)
                                                   : raTexturedMaterial(dx, effectFile, techniqueName,
                                                   texture)
    {
        m_HeightTextureFileName = heightmap;
        m_BumMapFileName = heightmapBump;

        m_pRVHeight = NULL;
        m_pRVBump = NULL;
    }
    bool raGPUHeightmapMaterial::Create()
    {
        raTexturedMaterial::Create();

        raResource::Instance().CreateTextureFromFile(m_dx,
            m_HeightTextureFileName, &m_pRVHeight);

        raResource::Instance().CreateTextureFromFile(m_dx,
            m_BumMapFileName, &m_pRVBump);

        m_ptxHeight = m_pEffect->GetVariableByName("g_HeightTexture")->AsShaderResource();
        m_ptxBumpMap = m_pEffect->GetVariableByName("g_NormalMap")->AsShaderResource();

        return true;
    }
    bool raGPUHeightmapMaterial::Destroy()
    {
        raTexturedMaterial::Destroy();

        if(m_pRVHeight) m_pRVHeight->Release();
        if(m_pRVBump) m_pRVBump->Release();

        return true;
    }
    void raGPUHeightmapMaterial::Setup()
    {
        raTexturedMaterial::Setup();

        if(m_ptxHeight) m_ptxHeight->SetResource(m_pRVHeight);
        if(m_ptxBumpMap) m_ptxBumpMap->SetResource(m_pRVBump);
    }
};