void Scene::loadCell (CellStore *cell, Loading::Listener* loadingListener)
{
std::pair<CellStoreCollection::iterator, bool> result = mActiveCells.insert(cell);
if(result.second)
{
std::cout << "Loading cell " << cell->getCell()->getDescription() << std::endl;
float verts = ESM::Land::LAND_SIZE;
float worldsize = ESM::Land::REAL_SIZE;
// Load terrain physics first...
if (cell->getCell()->isExterior())
{
ESM::Land* land =
MWBase::Environment::get().getWorld()->getStore().get<ESM::Land>().search(
cell->getCell()->getGridX(),
cell->getCell()->getGridY()
);
if (land && land->mDataTypes&ESM::Land::DATA_VHGT) {
// Actually only VHGT is needed here, but we'll need the rest for rendering anyway.
// Load everything now to reduce IO overhead.
const int flags = ESM::Land::DATA_VCLR|ESM::Land::DATA_VHGT|ESM::Land::DATA_VNML|ESM::Land::DATA_VTEX;
const ESM::Land::LandData *data = land->getLandData (flags);
mPhysics->addHeightField (data->mHeights, cell->getCell()->getGridX(), cell->getCell()->getGridY(),
worldsize / (verts-1), verts);
}
}
cell->respawn();
// ... then references. This is important for adjustPosition to work correctly.
/// \todo rescale depending on the state of a new GMST
insertCell (*cell, true, loadingListener);
mRendering.addCell(cell);
bool waterEnabled = cell->getCell()->hasWater() || cell->isExterior();
float waterLevel = cell->isExterior() ? -1.f : cell->getWaterLevel();
mRendering.setWaterEnabled(waterEnabled);
if (waterEnabled)
{
mPhysics->enableWater(waterLevel);
mRendering.setWaterHeight(waterLevel);
}
else
mPhysics->disableWater();
if (!cell->isExterior() && !(cell->getCell()->mData.mFlags & ESM::Cell::QuasiEx))
mRendering.configureAmbient(cell->getCell());
}
// register local scripts
// ??? Should this go into the above if block ???
MWBase::Environment::get().getWorld()->getLocalScripts().addCell (cell);
}
void GlobalMap::render (Loading::Listener* loadingListener)
{
const MWWorld::ESMStore &esmStore =
MWBase::Environment::get().getWorld()->getStore();
// get the size of the world
MWWorld::Store<ESM::Cell>::iterator it = esmStore.get<ESM::Cell>().extBegin();
for (; it != esmStore.get<ESM::Cell>().extEnd(); ++it)
{
if (it->getGridX() < mMinX)
mMinX = it->getGridX();
if (it->getGridX() > mMaxX)
mMaxX = it->getGridX();
if (it->getGridY() < mMinY)
mMinY = it->getGridY();
if (it->getGridY() > mMaxY)
mMaxY = it->getGridY();
}
mWidth = mCellSize*(mMaxX-mMinX+1);
mHeight = mCellSize*(mMaxY-mMinY+1);
loadingListener->loadingOn();
loadingListener->setLabel("Creating map");
loadingListener->setProgressRange((mMaxX-mMinX+1) * (mMaxY-mMinY+1));
loadingListener->setProgress(0);
osg::ref_ptr<osg::Image> image = new osg::Image;
image->allocateImage(mWidth, mHeight, 1, GL_RGB, GL_UNSIGNED_BYTE);
unsigned char* data = image->data();
for (int x = mMinX; x <= mMaxX; ++x)
{
for (int y = mMinY; y <= mMaxY; ++y)
{
ESM::Land* land = esmStore.get<ESM::Land>().search (x,y);
if (land)
{
int mask = ESM::Land::DATA_WNAM;
if (!land->isDataLoaded(mask))
land->loadData(mask);
}
const ESM::Land::LandData *landData =
land ? land->getLandData (ESM::Land::DATA_WNAM) : 0;
for (int cellY=0; cellY<mCellSize; ++cellY)
{
for (int cellX=0; cellX<mCellSize; ++cellX)
{
int vertexX = static_cast<int>(float(cellX)/float(mCellSize) * 9);
int vertexY = static_cast<int>(float(cellY) / float(mCellSize) * 9);
int texelX = (x-mMinX) * mCellSize + cellX;
int texelY = (y-mMinY) * mCellSize + cellY;
unsigned char r,g,b;
float y = 0;
if (landData)
y = (landData->mWnam[vertexY * 9 + vertexX] << 4) / 2048.f;
else
y = (SCHAR_MIN << 4) / 2048.f;
if (y < 0)
{
r = static_cast<unsigned char>(14 * y + 38);
g = static_cast<unsigned char>(20 * y + 56);
b = static_cast<unsigned char>(18 * y + 51);
}
else if (y < 0.3f)
{
if (y < 0.1f)
y *= 8.f;
else
{
y -= 0.1f;
y += 0.8f;
}
r = static_cast<unsigned char>(66 - 32 * y);
g = static_cast<unsigned char>(48 - 23 * y);
b = static_cast<unsigned char>(33 - 16 * y);
}
else
{
y -= 0.3f;
y *= 1.428f;
r = static_cast<unsigned char>(34 - 29 * y);
g = static_cast<unsigned char>(25 - 20 * y);
b = static_cast<unsigned char>(17 - 12 * y);
}
data[texelY * mWidth * 3 + texelX * 3] = r;
data[texelY * mWidth * 3 + texelX * 3+1] = g;
data[texelY * mWidth * 3 + texelX * 3+2] = b;
}
}
loadingListener->increaseProgress();
if (land)
land->unloadData();
}
}
mBaseTexture = new osg::Texture2D;
mBaseTexture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
mBaseTexture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
mBaseTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
mBaseTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
mBaseTexture->setImage(image);
mBaseTexture->setResizeNonPowerOfTwoHint(false);
clear();
loadingListener->loadingOff();
}
