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#include "cellwater.hpp"
#include <osg/Geode>
#include <osg/Geometry>
#include <osg/Group>
#include <osg/PositionAttitudeTransform>
#include <components/esm3/loadland.hpp>
#include <components/fallback/fallback.hpp>
#include <components/misc/stringops.hpp>
#include <components/resource/imagemanager.hpp>
#include <components/resource/resourcesystem.hpp>
#include <components/sceneutil/waterutil.hpp>
#include "../../model/world/cell.hpp"
#include "../../model/world/cellcoordinates.hpp"
#include "../../model/world/data.hpp"
#include "mask.hpp"
namespace CSVRender
{
const int CellWater::CellSize = ESM::Land::REAL_SIZE;
CellWater::CellWater(CSMWorld::Data& data, osg::Group* cellNode, const std::string& id,
const CSMWorld::CellCoordinates& cellCoords)
: mData(data)
, mId(id)
, mParentNode(cellNode)
, mWaterTransform(nullptr)
, mWaterNode(nullptr)
, mWaterGeometry(nullptr)
, mDeleted(false)
, mExterior(false)
, mHasWater(false)
{
mWaterTransform = new osg::PositionAttitudeTransform();
mWaterTransform->setPosition(osg::Vec3f(cellCoords.getX() * CellSize + CellSize / 2.f,
cellCoords.getY() * CellSize + CellSize / 2.f, 0));
mWaterTransform->setNodeMask(Mask_Water);
mParentNode->addChild(mWaterTransform);
mWaterNode = new osg::Geode();
mWaterTransform->addChild(mWaterNode);
int cellIndex = mData.getCells().searchId(mId);
if (cellIndex > -1)
{
updateCellData(mData.getCells().getRecord(cellIndex));
}
// Keep water existence/height up to date
QAbstractItemModel* cells = mData.getTableModel(CSMWorld::UniversalId::Type_Cells);
connect(cells, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
this, SLOT(cellDataChanged(const QModelIndex&, const QModelIndex&)));
}
CellWater::~CellWater()
{
mParentNode->removeChild(mWaterTransform);
}
void CellWater::updateCellData(const CSMWorld::Record<CSMWorld::Cell>& cellRecord)
{
mDeleted = cellRecord.isDeleted();
if (!mDeleted)
{
const CSMWorld::Cell& cell = cellRecord.get();
if (mExterior != cell.isExterior() || mHasWater != cell.hasWater())
{
mExterior = cellRecord.get().isExterior();
mHasWater = cellRecord.get().hasWater();
recreate();
}
float waterHeight = -1;
if (!mExterior)
{
waterHeight = cellRecord.get().mWater;
}
osg::Vec3d pos = mWaterTransform->getPosition();
pos.z() = waterHeight;
mWaterTransform->setPosition(pos);
}
else
{
recreate();
}
}
void CellWater::reloadAssets()
{
recreate();
}
void CellWater::cellDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
{
const CSMWorld::Collection<CSMWorld::Cell>& cells = mData.getCells();
int rowStart = -1;
int rowEnd = -1;
if (topLeft.parent().isValid())
{
rowStart = topLeft.parent().row();
rowEnd = bottomRight.parent().row();
}
else
{
rowStart = topLeft.row();
rowEnd = bottomRight.row();
}
for (int row = rowStart; row <= rowEnd; ++row)
{
const CSMWorld::Record<CSMWorld::Cell>& cellRecord = cells.getRecord(row);
if (Misc::StringUtils::lowerCase(cellRecord.get().mId) == mId)
updateCellData(cellRecord);
}
}
void CellWater::recreate()
{
const int InteriorScalar = 20;
const int SegmentsPerCell = 1;
const int TextureRepeatsPerCell = 6;
const float Alpha = 0.5f;
const int RenderBin = osg::StateSet::TRANSPARENT_BIN - 1;
if (mWaterGeometry)
{
mWaterNode->removeDrawable(mWaterGeometry);
mWaterGeometry = nullptr;
}
if (mDeleted || !mHasWater)
return;
float size;
int segments;
float textureRepeats;
if (mExterior)
{
size = CellSize;
segments = SegmentsPerCell;
textureRepeats = TextureRepeatsPerCell;
}
else
{
size = CellSize * InteriorScalar;
segments = SegmentsPerCell * InteriorScalar;
textureRepeats = TextureRepeatsPerCell * InteriorScalar;
}
mWaterGeometry = SceneUtil::createWaterGeometry(size, segments, textureRepeats);
mWaterGeometry->setStateSet(SceneUtil::createSimpleWaterStateSet(Alpha, RenderBin));
// Add water texture
std::string textureName = Fallback::Map::getString("Water_SurfaceTexture");
textureName = "textures/water/" + textureName + "00.dds";
Resource::ImageManager* imageManager = mData.getResourceSystem()->getImageManager();
osg::ref_ptr<osg::Texture2D> waterTexture = new osg::Texture2D();
waterTexture->setImage(imageManager->getImage(textureName));
waterTexture->setWrap(osg::Texture::WRAP_S, osg::Texture::REPEAT);
waterTexture->setWrap(osg::Texture::WRAP_T, osg::Texture::REPEAT);
mWaterGeometry->getStateSet()->setTextureAttributeAndModes(0, waterTexture, osg::StateAttribute::ON);
mWaterNode->addDrawable(mWaterGeometry);
}
}
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