void QuadTreeNode::loadLayers(const LayerCollection& collection)
{
assert (!mMaterialGenerator->hasLayers());
std::vector<Ogre::TexturePtr> blendTextures;
for (std::vector<Ogre::PixelBox>::const_iterator it = collection.mBlendmaps.begin(); it != collection.mBlendmaps.end(); ++it)
{
// TODO: clean up blend textures on destruction
static int count=0;
Ogre::TexturePtr map = Ogre::TextureManager::getSingleton().createManual("terrain/blend/"
+ Ogre::StringConverter::toString(count++), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, it->getWidth(), it->getHeight(), 0, it->format);
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream(it->data, it->getWidth()*it->getHeight()*Ogre::PixelUtil::getNumElemBytes(it->format), true));
map->loadRawData(stream, it->getWidth(), it->getHeight(), it->format);
blendTextures.push_back(map);
}
mMaterialGenerator->setLayerList(collection.mLayers);
mMaterialGenerator->setBlendmapList(blendTextures);
}
void GlobalMap::render (Loading::Listener* loadingListener)
{
Ogre::TexturePtr tex;
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);
std::vector<Ogre::uchar> data (mWidth * mHeight * 3);
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);
}
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 = (mHeight-1) - ((y-mMinY) * mCellSize + cellY);
unsigned char r,g,b;
float y = 0;
if (land && land->mDataTypes & ESM::Land::DATA_WNAM)
y = (land->mLandData->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();
}
}
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream(&data[0], data.size()));
tex = Ogre::TextureManager::getSingleton ().createManual ("GlobalMap.png", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, mWidth, mHeight, 0, Ogre::PF_B8G8R8, Ogre::TU_STATIC);
tex->loadRawData(stream, mWidth, mHeight, Ogre::PF_B8G8R8);
tex->load();
mOverlayTexture = Ogre::TextureManager::getSingleton().createManual("GlobalMapOverlay", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, mWidth, mHeight, 0, Ogre::PF_A8B8G8R8, Ogre::TU_DYNAMIC, this);
clear();
loadingListener->loadingOff();
}