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Merge pull request #2234 from Capostrophic/terrain

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Some more improvements from bzzt's branch
This commit is contained in:
Bret Curtis 2019-03-17 18:07:19 +01:00 committed by GitHub
commit ab69ad65ed
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 35 additions and 39 deletions
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41
components/esmterrain/storage.cpp
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@ -46,19 +46,6 @@ namespace ESMTerrain
{
}
const ESM::Land::LandData *LandObject::getData(int flags) const
{
if ((mData.mDataLoaded & flags) != flags)
return nullptr;
return &mData;
}
int LandObject::getPlugin() const
{
return mLand->mPlugin;
}
const float defaultHeight = ESM::Land::DEFAULT_HEIGHT;
Storage::Storage(const VFS::Manager *vfs, const std::string& normalMapPattern, const std::string& normalHeightMapPattern, bool autoUseNormalMaps, const std::string& specularMapPattern, bool autoUseSpecularMaps)
@ -158,7 +145,7 @@ namespace ESMTerrain
normal.normalize();
}
void Storage::fixColour (osg::Vec4f& color, int cellX, int cellY, int col, int row, LandCache& cache)
void Storage::fixColour (osg::Vec4ub& color, int cellX, int cellY, int col, int row, LandCache& cache)
{
if (col == ESM::Land::LAND_SIZE-1)
{
@ -175,22 +162,22 @@ namespace ESMTerrain
const ESM::Land::LandData* data = land ? land->getData(ESM::Land::DATA_VCLR) : 0;
if (data)
{
color.r() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3] / 255.f;
color.g() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3+1] / 255.f;
color.b() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3+2] / 255.f;
color.r() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3];
color.g() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3+1];
color.b() = data->mColours[col*ESM::Land::LAND_SIZE*3+row*3+2];
}
else
{
color.r() = 1;
color.g() = 1;
color.b() = 1;
color.r() = 255;
color.g() = 255;
color.b() = 255;
}
}
void Storage::fillVertexBuffers (int lodLevel, float size, const osg::Vec2f& center,
osg::ref_ptr<osg::Vec3Array> positions,
osg::ref_ptr<osg::Vec3Array> normals,
osg::ref_ptr<osg::Vec4Array> colours)
osg::ref_ptr<osg::Vec4ubArray> colours)
{
// LOD level n means every 2^n-th vertex is kept
size_t increment = static_cast<size_t>(1) << lodLevel;
@ -207,7 +194,7 @@ namespace ESMTerrain
colours->resize(numVerts*numVerts);
osg::Vec3f normal;
osg::Vec4f color;
osg::Vec4ub color;
float vertY = 0;
float vertX = 0;
@ -295,20 +282,20 @@ namespace ESMTerrain
if (colourData)
{
for (int i=0; i<3; ++i)
color[i] = colourData->mColours[srcArrayIndex+i] / 255.f;
color[i] = colourData->mColours[srcArrayIndex+i];
}
else
{
color.r() = 1;
color.g() = 1;
color.b() = 1;
color.r() = 255;
color.g() = 255;
color.b() = 255;
}
// Unlike normals, colors mostly connect seamlessly between cells, but not always...
if (col == ESM::Land::LAND_SIZE-1 || row == ESM::Land::LAND_SIZE-1)
fixColour(color, cellX, cellY, col, row, cache);
color.a() = 1;
color.a() = 255;
(*colours)[static_cast<unsigned int>(vertX*numVerts + vertY)] = color;

28
components/esmterrain/storage.hpp
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@ -29,8 +29,17 @@ namespace ESMTerrain
META_Object(ESMTerrain, LandObject)
const ESM::Land::LandData* getData(int flags) const;
int getPlugin() const;
inline const ESM::Land::LandData* getData(int flags) const
{
if ((mData.mDataLoaded & flags) != flags)
return nullptr;
return &mData;
}
inline int getPlugin() const
{
return mLand->mPlugin;
}
private:
const ESM::Land* mLand;
@ -75,7 +84,7 @@ namespace ESMTerrain
virtual void fillVertexBuffers (int lodLevel, float size, const osg::Vec2f& center,
osg::ref_ptr<osg::Vec3Array> positions,
osg::ref_ptr<osg::Vec3Array> normals,
osg::ref_ptr<osg::Vec4Array> colours);
osg::ref_ptr<osg::Vec4ubArray> colours);
/// Create textures holding layer blend values for a terrain chunk.
/// @note The terrain chunk shouldn't be larger than one cell since otherwise we might
@ -105,21 +114,20 @@ namespace ESMTerrain
private:
const VFS::Manager* mVFS;
void fixNormal (osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache);
void fixColour (osg::Vec4f& colour, int cellX, int cellY, int col, int row, LandCache& cache);
void averageNormal (osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache);
inline void fixNormal (osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache);
inline void fixColour (osg::Vec4ub& colour, int cellX, int cellY, int col, int row, LandCache& cache);
inline void averageNormal (osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache);
float getVertexHeight (const ESM::Land::LandData* data, int x, int y);
inline float getVertexHeight (const ESM::Land::LandData* data, int x, int y);
const LandObject* getLand(int cellX, int cellY, LandCache& cache);
inline const LandObject* getLand(int cellX, int cellY, LandCache& cache);
// Since plugins can define new texture palettes, we need to know the plugin index too
// in order to retrieve the correct texture name.
// pair <texture id, plugin id>
typedef std::pair<short, short> UniqueTextureId;
UniqueTextureId getVtexIndexAt(int cellX, int cellY,
int x, int y, LandCache&);
inline UniqueTextureId getVtexIndexAt(int cellX, int cellY, int x, int y, LandCache&);
std::string getTextureName (UniqueTextureId id);
std::map<std::string, Terrain::LayerInfo> mLayerInfoMap;

3
components/terrain/chunkmanager.cpp
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@ -172,7 +172,8 @@ osg::ref_ptr<osg::Node> ChunkManager::createChunk(float chunkSize, const osg::Ve
osg::ref_ptr<osg::Vec3Array> positions (new osg::Vec3Array);
osg::ref_ptr<osg::Vec3Array> normals (new osg::Vec3Array);
osg::ref_ptr<osg::Vec4Array> colors (new osg::Vec4Array);
osg::ref_ptr<osg::Vec4ubArray> colors (new osg::Vec4ubArray);
colors->setNormalize(true);
osg::ref_ptr<osg::VertexBufferObject> vbo (new osg::VertexBufferObject);
positions->setVertexBufferObject(vbo);

2
components/terrain/storage.hpp
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@ -52,7 +52,7 @@ namespace Terrain
virtual void fillVertexBuffers (int lodLevel, float size, const osg::Vec2f& center,
osg::ref_ptr<osg::Vec3Array> positions,
osg::ref_ptr<osg::Vec3Array> normals,
osg::ref_ptr<osg::Vec4Array> colours) = 0;
osg::ref_ptr<osg::Vec4ubArray> colours) = 0;
typedef std::vector<osg::ref_ptr<osg::Image> > ImageVector;
/// Create textures holding layer blend values for a terrain chunk.