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#include "cellwater.hpp"
#include <memory>
#include <string_view>
#include <osg/Geometry>
#include <osg/Group>
#include <osg/PositionAttitudeTransform>
#include <osg/StateAttribute>
#include <osg/StateSet>
#include <osg/Texture2D>
#include <osg/Texture>
#include <osg/Vec3d>
#include <osg/Vec3f>
#include <apps/opencs/model/world/collection.hpp>
#include <apps/opencs/model/world/idcollection.hpp>
#include <apps/opencs/model/world/record.hpp>
#include <apps/opencs/model/world/universalid.hpp>
#include <components/esm3/loadland.hpp>
#include <components/fallback/fallback.hpp>
#include <components/misc/strings/lower.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)
, mWaterGroup(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);
mWaterGroup = new osg::Group();
mWaterTransform->addChild(mWaterGroup);
const int cellIndex = mData.getCells().searchId(ESM::RefId::stringRefId(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, &QAbstractItemModel::dataChanged, this, &CellWater::cellDataChanged);
}
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 (cellRecord.get().mId == ESM::RefId::stringRefId(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)
{
mWaterGroup->removeChild(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
constexpr VFS::Path::NormalizedView prefix("textures/water");
VFS::Path::Normalized texturePath(prefix);
texturePath /= std::string(Fallback::Map::getString("Water_SurfaceTexture")) + "00.dds";
Resource::ImageManager* imageManager = mData.getResourceSystem()->getImageManager();
osg::ref_ptr<osg::Texture2D> waterTexture = new osg::Texture2D();
waterTexture->setImage(imageManager->getImage(texturePath));
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);
mWaterGroup->addChild(mWaterGeometry);
}
}
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