void FieldSector::generateHeights()
{
if(m_heights)
return;
m_heights = new D3DXFLOAT16[g_grassSectorSize * g_grassSectorSize];
TerrainVertex *terrainVertices = core.game->getWorld()->getTerrainManager()->m_vertices;
int terrainWidth = core.game->getWorld()->getTerrainManager()->m_size;
float coordinatesModifier = g_grassTileSize / core.game->getWorld()->getTerrainManager()->m_hmGeoStep;
for(int y = 0; y < g_grassSectorSize; y++)
{
for(int x = 0; x < g_grassSectorSize; x++)
{
float terrainGrassProportion = g_grassTileSize / core.game->getWorld()->getTerrainManager()->m_hmGeoStep;
//terrainGrassProportion = 0.5f;
/// filling heightmap with data up
D3DXPLANE plane;
int X = x + m_posX;
int Y = y + m_posY;
Vec3 p1 = terrainVertices[(int)(Y*terrainGrassProportion)*terrainWidth+(int)(X*terrainGrassProportion)].pos;
Vec3 p2 = terrainVertices[(int)((Y*terrainGrassProportion)+1)*terrainWidth+(int)(X*terrainGrassProportion)].pos;
Vec3 p3 = terrainVertices[(int)(Y*terrainGrassProportion)*terrainWidth+(int)(X*terrainGrassProportion)+1].pos;
Vec3 p4 = terrainVertices[(int)(Y*terrainGrassProportion+1)*terrainWidth+(int)(X*terrainGrassProportion)+1].pos;
Vec3 resultPos;
Vec3 upPoint = Vec3((X)*g_grassTileSize, 2000, (Y)*g_grassTileSize);
Vec3 downPoint = Vec3((X)*g_grassTileSize, -2000, (Y)*g_grassTileSize);
f32 pU, pV, pDist;
if(D3DXIntersectTri(&p1, &p2, &p3, &upPoint, &Vec3(0,-1,0), &pU, &pV, &pDist))
D3DXPlaneFromPoints(&plane, &p1, &p2, &p3);
else if(D3DXIntersectTri(&p2, &p3, &p4, &upPoint, &Vec3(0,-1,0), &pU, &pV, &pDist))
D3DXPlaneFromPoints(&plane, &p2, &p3, &p4);
D3DXPlaneIntersectLine(&resultPos, &plane, &upPoint, &downPoint);
D3DXFloat32To16Array(&m_heights[y * g_grassSectorSize + x], &resultPos.y, 1);
}
}
}
void dx103DFluidRenderer::CreateHHGGTexture()
{
// static const int iNumSamples = 256;
static const int iNumSamples = 16;
// static const int iNumSamples = 1;
float data[4*iNumSamples];
D3DXFLOAT16 converted[4*iNumSamples];
// Fvector4 mmin;
// Fvector4 mmax;
// mmin.set(10000, 10000, 10000, 10000);
// mmax.set(-10000, -10000, -10000, -10000);
for (int i = 0; i < iNumSamples; i++)
{
float a = i / (float)(iNumSamples-1);
data[4*i] = -h0texels(a);
data[4*i+1] = h1texels(a);
data[4*i+2] = 1.0f-g0(a);
data[4*i+3] = g0(a);
// for ( int j=0; j < 4; ++j )
// {
// mmin[j] = _min(mmin[j], data[4*i+j]);
// mmax[j] = _max(mmax[j], data[4*i+j]);
// }
}
// Min value is -1
// Max value is +1
D3DXFloat32To16Array( converted, data, 4*iNumSamples );
D3D10_TEXTURE1D_DESC desc;
desc.Width = iNumSamples;
desc.MipLevels = 1;
desc.ArraySize = 1;
//desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
desc.Format = DXGI_FORMAT_R16G16B16A16_FLOAT;
//desc.Usage = D3D10_USAGE_IMMUTABLE;
desc.Usage = D3D10_USAGE_DEFAULT;
desc.BindFlags = D3D10_BIND_SHADER_RESOURCE;
desc.CPUAccessFlags = 0;
desc.MiscFlags = 0;
D3D10_SUBRESOURCE_DATA dataDesc;
//dataDesc.pSysMem = data;
//dataDesc.SysMemPitch = sizeof(data);
dataDesc.pSysMem = converted;
dataDesc.SysMemPitch = sizeof(converted);
ID3D10Texture1D* HHGGTexture = NULL;
CHK_DX( HW.pDevice->CreateTexture1D(&desc, &dataDesc, &HHGGTexture));
m_HHGGTexture = dxRenderDeviceRender::Instance().Resources->_CreateTexture("$user$NVHHGGTex");
m_HHGGTexture->surface_set(HHGGTexture);
_RELEASE(HHGGTexture);
}
