mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 04:56:39 +00:00
609 lines
23 KiB
C++
609 lines
23 KiB
C++
#include "storage.hpp"
|
|
|
|
#include <set>
|
|
|
|
#include <osg/Image>
|
|
#include <osg/Plane>
|
|
|
|
#include <components/debug/debuglog.hpp>
|
|
#include <components/misc/resourcehelpers.hpp>
|
|
#include <components/misc/strings/algorithm.hpp>
|
|
#include <components/vfs/manager.hpp>
|
|
|
|
namespace ESMTerrain
|
|
{
|
|
|
|
class LandCache
|
|
{
|
|
public:
|
|
typedef std::map<std::pair<int, int>, osg::ref_ptr<const LandObject>> Map;
|
|
Map mMap;
|
|
};
|
|
|
|
LandObject::LandObject()
|
|
: mLand(nullptr)
|
|
, mLoadFlags(0)
|
|
{
|
|
}
|
|
|
|
LandObject::LandObject(const ESM::Land* land, int loadFlags)
|
|
: mLand(land)
|
|
, mLoadFlags(loadFlags)
|
|
{
|
|
mLand->loadData(mLoadFlags, &mData);
|
|
}
|
|
|
|
LandObject::LandObject(const LandObject& copy, const osg::CopyOp& copyop)
|
|
: mLand(nullptr)
|
|
, mLoadFlags(0)
|
|
{
|
|
}
|
|
|
|
LandObject::~LandObject() {}
|
|
|
|
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)
|
|
: mVFS(vfs)
|
|
, mNormalMapPattern(normalMapPattern)
|
|
, mNormalHeightMapPattern(normalHeightMapPattern)
|
|
, mAutoUseNormalMaps(autoUseNormalMaps)
|
|
, mSpecularMapPattern(specularMapPattern)
|
|
, mAutoUseSpecularMaps(autoUseSpecularMaps)
|
|
{
|
|
}
|
|
|
|
bool Storage::getMinMaxHeights(float size, const osg::Vec2f& center, float& min, float& max)
|
|
{
|
|
assert(size <= 1 && "Storage::getMinMaxHeights, chunk size should be <= 1 cell");
|
|
|
|
osg::Vec2f origin = center - osg::Vec2f(size / 2.f, size / 2.f);
|
|
|
|
int cellX = static_cast<int>(std::floor(origin.x()));
|
|
int cellY = static_cast<int>(std::floor(origin.y()));
|
|
|
|
int startRow = (origin.x() - cellX) * ESM::Land::LAND_SIZE;
|
|
int startColumn = (origin.y() - cellY) * ESM::Land::LAND_SIZE;
|
|
|
|
int endRow = startRow + size * (ESM::Land::LAND_SIZE - 1) + 1;
|
|
int endColumn = startColumn + size * (ESM::Land::LAND_SIZE - 1) + 1;
|
|
|
|
osg::ref_ptr<const LandObject> land = getLand(cellX, cellY);
|
|
const ESM::Land::LandData* data = land ? land->getData(ESM::Land::DATA_VHGT) : nullptr;
|
|
if (data)
|
|
{
|
|
min = std::numeric_limits<float>::max();
|
|
max = -std::numeric_limits<float>::max();
|
|
for (int row = startRow; row < endRow; ++row)
|
|
{
|
|
for (int col = startColumn; col < endColumn; ++col)
|
|
{
|
|
float h = data->mHeights[col * ESM::Land::LAND_SIZE + row];
|
|
if (h > max)
|
|
max = h;
|
|
if (h < min)
|
|
min = h;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
min = defaultHeight;
|
|
max = defaultHeight;
|
|
return false;
|
|
}
|
|
|
|
void Storage::fixNormal(osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache)
|
|
{
|
|
while (col >= ESM::Land::LAND_SIZE - 1)
|
|
{
|
|
++cellY;
|
|
col -= ESM::Land::LAND_SIZE - 1;
|
|
}
|
|
while (row >= ESM::Land::LAND_SIZE - 1)
|
|
{
|
|
++cellX;
|
|
row -= ESM::Land::LAND_SIZE - 1;
|
|
}
|
|
while (col < 0)
|
|
{
|
|
--cellY;
|
|
col += ESM::Land::LAND_SIZE - 1;
|
|
}
|
|
while (row < 0)
|
|
{
|
|
--cellX;
|
|
row += ESM::Land::LAND_SIZE - 1;
|
|
}
|
|
|
|
const LandObject* land = getLand(cellX, cellY, cache);
|
|
const ESM::Land::LandData* data = land ? land->getData(ESM::Land::DATA_VNML) : nullptr;
|
|
if (data)
|
|
{
|
|
normal.x() = data->mNormals[col * ESM::Land::LAND_SIZE * 3 + row * 3];
|
|
normal.y() = data->mNormals[col * ESM::Land::LAND_SIZE * 3 + row * 3 + 1];
|
|
normal.z() = data->mNormals[col * ESM::Land::LAND_SIZE * 3 + row * 3 + 2];
|
|
normal.normalize();
|
|
}
|
|
else
|
|
normal = osg::Vec3f(0, 0, 1);
|
|
}
|
|
|
|
void Storage::averageNormal(osg::Vec3f& normal, int cellX, int cellY, int col, int row, LandCache& cache)
|
|
{
|
|
osg::Vec3f n1, n2, n3, n4;
|
|
fixNormal(n1, cellX, cellY, col + 1, row, cache);
|
|
fixNormal(n2, cellX, cellY, col - 1, row, cache);
|
|
fixNormal(n3, cellX, cellY, col, row + 1, cache);
|
|
fixNormal(n4, cellX, cellY, col, row - 1, cache);
|
|
normal = (n1 + n2 + n3 + n4);
|
|
normal.normalize();
|
|
}
|
|
|
|
void Storage::fixColour(osg::Vec4ub& color, int cellX, int cellY, int col, int row, LandCache& cache)
|
|
{
|
|
if (col == ESM::Land::LAND_SIZE - 1)
|
|
{
|
|
++cellY;
|
|
col = 0;
|
|
}
|
|
if (row == ESM::Land::LAND_SIZE - 1)
|
|
{
|
|
++cellX;
|
|
row = 0;
|
|
}
|
|
|
|
const LandObject* land = getLand(cellX, cellY, cache);
|
|
const ESM::Land::LandData* data = land ? land->getData(ESM::Land::DATA_VCLR) : nullptr;
|
|
if (data)
|
|
{
|
|
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() = 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::Vec4ubArray> colours)
|
|
{
|
|
// LOD level n means every 2^n-th vertex is kept
|
|
size_t increment = static_cast<size_t>(1) << lodLevel;
|
|
|
|
osg::Vec2f origin = center - osg::Vec2f(size / 2.f, size / 2.f);
|
|
|
|
int startCellX = static_cast<int>(std::floor(origin.x()));
|
|
int startCellY = static_cast<int>(std::floor(origin.y()));
|
|
|
|
size_t numVerts = static_cast<size_t>(size * (ESM::Land::LAND_SIZE - 1) / increment + 1);
|
|
|
|
positions->resize(numVerts * numVerts);
|
|
normals->resize(numVerts * numVerts);
|
|
colours->resize(numVerts * numVerts);
|
|
|
|
osg::Vec3f normal;
|
|
osg::Vec4ub color;
|
|
|
|
float vertY = 0;
|
|
float vertX = 0;
|
|
|
|
LandCache cache;
|
|
|
|
bool alteration = useAlteration();
|
|
|
|
float vertY_ = 0; // of current cell corner
|
|
for (int cellY = startCellY; cellY < startCellY + std::ceil(size); ++cellY)
|
|
{
|
|
float vertX_ = 0; // of current cell corner
|
|
for (int cellX = startCellX; cellX < startCellX + std::ceil(size); ++cellX)
|
|
{
|
|
const LandObject* land = getLand(cellX, cellY, cache);
|
|
const ESM::Land::LandData* heightData = nullptr;
|
|
const ESM::Land::LandData* normalData = nullptr;
|
|
const ESM::Land::LandData* colourData = nullptr;
|
|
if (land)
|
|
{
|
|
heightData = land->getData(ESM::Land::DATA_VHGT);
|
|
normalData = land->getData(ESM::Land::DATA_VNML);
|
|
colourData = land->getData(ESM::Land::DATA_VCLR);
|
|
}
|
|
|
|
int rowStart = 0;
|
|
int colStart = 0;
|
|
// Skip the first row / column unless we're at a chunk edge,
|
|
// since this row / column is already contained in a previous cell
|
|
// This is only relevant if we're creating a chunk spanning multiple cells
|
|
if (vertY_ != 0)
|
|
colStart += increment;
|
|
if (vertX_ != 0)
|
|
rowStart += increment;
|
|
|
|
// Only relevant for chunks smaller than (contained in) one cell
|
|
rowStart += (origin.x() - startCellX) * ESM::Land::LAND_SIZE;
|
|
colStart += (origin.y() - startCellY) * ESM::Land::LAND_SIZE;
|
|
int rowEnd = std::min(static_cast<int>(rowStart + std::min(1.f, size) * (ESM::Land::LAND_SIZE - 1) + 1),
|
|
static_cast<int>(ESM::Land::LAND_SIZE));
|
|
int colEnd = std::min(static_cast<int>(colStart + std::min(1.f, size) * (ESM::Land::LAND_SIZE - 1) + 1),
|
|
static_cast<int>(ESM::Land::LAND_SIZE));
|
|
|
|
vertY = vertY_;
|
|
for (int col = colStart; col < colEnd; col += increment)
|
|
{
|
|
vertX = vertX_;
|
|
for (int row = rowStart; row < rowEnd; row += increment)
|
|
{
|
|
int srcArrayIndex = col * ESM::Land::LAND_SIZE * 3 + row * 3;
|
|
|
|
assert(row >= 0 && row < ESM::Land::LAND_SIZE);
|
|
assert(col >= 0 && col < ESM::Land::LAND_SIZE);
|
|
|
|
assert(vertX < numVerts);
|
|
assert(vertY < numVerts);
|
|
|
|
float height = defaultHeight;
|
|
if (heightData)
|
|
height = heightData->mHeights[col * ESM::Land::LAND_SIZE + row];
|
|
if (alteration)
|
|
height += getAlteredHeight(col, row);
|
|
(*positions)[static_cast<unsigned int>(vertX * numVerts + vertY)]
|
|
= osg::Vec3f((vertX / float(numVerts - 1) - 0.5f) * size * Constants::CellSizeInUnits,
|
|
(vertY / float(numVerts - 1) - 0.5f) * size * Constants::CellSizeInUnits, height);
|
|
|
|
if (normalData)
|
|
{
|
|
for (int i = 0; i < 3; ++i)
|
|
normal[i] = normalData->mNormals[srcArrayIndex + i];
|
|
|
|
normal.normalize();
|
|
}
|
|
else
|
|
normal = osg::Vec3f(0, 0, 1);
|
|
|
|
// Normals apparently don't connect seamlessly between cells
|
|
if (col == ESM::Land::LAND_SIZE - 1 || row == ESM::Land::LAND_SIZE - 1)
|
|
fixNormal(normal, cellX, cellY, col, row, cache);
|
|
|
|
// some corner normals appear to be complete garbage (z < 0)
|
|
if ((row == 0 || row == ESM::Land::LAND_SIZE - 1)
|
|
&& (col == 0 || col == ESM::Land::LAND_SIZE - 1))
|
|
averageNormal(normal, cellX, cellY, col, row, cache);
|
|
|
|
assert(normal.z() > 0);
|
|
|
|
(*normals)[static_cast<unsigned int>(vertX * numVerts + vertY)] = normal;
|
|
|
|
if (colourData)
|
|
{
|
|
for (int i = 0; i < 3; ++i)
|
|
color[i] = colourData->mColours[srcArrayIndex + i];
|
|
}
|
|
else
|
|
{
|
|
color.r() = 255;
|
|
color.g() = 255;
|
|
color.b() = 255;
|
|
}
|
|
if (alteration)
|
|
adjustColor(col, row, heightData, color); // Does nothing by default, override in OpenMW-CS
|
|
|
|
// 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() = 255;
|
|
|
|
(*colours)[static_cast<unsigned int>(vertX * numVerts + vertY)] = color;
|
|
|
|
++vertX;
|
|
}
|
|
++vertY;
|
|
}
|
|
vertX_ = vertX;
|
|
}
|
|
vertY_ = vertY;
|
|
|
|
assert(vertX_ == numVerts); // Ensure we covered whole area
|
|
}
|
|
assert(vertY_ == numVerts); // Ensure we covered whole area
|
|
}
|
|
|
|
Storage::UniqueTextureId Storage::getVtexIndexAt(int cellX, int cellY, int x, int y, LandCache& cache)
|
|
{
|
|
// For the first/last row/column, we need to get the texture from the neighbour cell
|
|
// to get consistent blending at the borders
|
|
--x;
|
|
if (x < 0)
|
|
{
|
|
--cellX;
|
|
x += ESM::Land::LAND_TEXTURE_SIZE;
|
|
}
|
|
while (x >= ESM::Land::LAND_TEXTURE_SIZE)
|
|
{
|
|
++cellX;
|
|
x -= ESM::Land::LAND_TEXTURE_SIZE;
|
|
}
|
|
while (
|
|
y >= ESM::Land::LAND_TEXTURE_SIZE) // Y appears to be wrapped from the other side because why the hell not?
|
|
{
|
|
++cellY;
|
|
y -= ESM::Land::LAND_TEXTURE_SIZE;
|
|
}
|
|
|
|
assert(x < ESM::Land::LAND_TEXTURE_SIZE);
|
|
assert(y < ESM::Land::LAND_TEXTURE_SIZE);
|
|
|
|
const LandObject* land = getLand(cellX, cellY, cache);
|
|
|
|
const ESM::Land::LandData* data = land ? land->getData(ESM::Land::DATA_VTEX) : nullptr;
|
|
if (data)
|
|
{
|
|
int tex = data->mTextures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
|
|
if (tex == 0)
|
|
return std::make_pair(0, 0); // vtex 0 is always the base texture, regardless of plugin
|
|
return std::make_pair(tex, land->getPlugin());
|
|
}
|
|
return std::make_pair(0, 0);
|
|
}
|
|
|
|
std::string Storage::getTextureName(UniqueTextureId id)
|
|
{
|
|
static constexpr char defaultTexture[] = "textures\\_land_default.dds";
|
|
if (id.first == 0)
|
|
return defaultTexture; // Not sure if the default texture really is hardcoded?
|
|
|
|
// NB: All vtex ids are +1 compared to the ltex ids
|
|
const ESM::LandTexture* ltex = getLandTexture(id.first - 1, id.second);
|
|
if (!ltex)
|
|
{
|
|
Log(Debug::Warning) << "Warning: Unable to find land texture index " << id.first - 1 << " in plugin "
|
|
<< id.second << ", using default texture instead";
|
|
return defaultTexture;
|
|
}
|
|
|
|
// this is needed due to MWs messed up texture handling
|
|
std::string texture = Misc::ResourceHelpers::correctTexturePath(ltex->mTexture, mVFS);
|
|
|
|
return texture;
|
|
}
|
|
|
|
void Storage::getBlendmaps(float chunkSize, const osg::Vec2f& chunkCenter, ImageVector& blendmaps,
|
|
std::vector<Terrain::LayerInfo>& layerList)
|
|
{
|
|
osg::Vec2f origin = chunkCenter - osg::Vec2f(chunkSize / 2.f, chunkSize / 2.f);
|
|
int cellX = static_cast<int>(std::floor(origin.x()));
|
|
int cellY = static_cast<int>(std::floor(origin.y()));
|
|
|
|
int realTextureSize = ESM::Land::LAND_TEXTURE_SIZE + 1; // add 1 to wrap around next cell
|
|
|
|
int rowStart = (origin.x() - cellX) * realTextureSize;
|
|
int colStart = (origin.y() - cellY) * realTextureSize;
|
|
|
|
const int blendmapSize = (realTextureSize - 1) * chunkSize + 1;
|
|
// We need to upscale the blendmap 2x with nearest neighbor sampling to look like Vanilla
|
|
const int imageScaleFactor = 2;
|
|
const int blendmapImageSize = blendmapSize * imageScaleFactor;
|
|
|
|
LandCache cache;
|
|
std::map<UniqueTextureId, unsigned int> textureIndicesMap;
|
|
|
|
for (int y = 0; y < blendmapSize; y++)
|
|
{
|
|
for (int x = 0; x < blendmapSize; x++)
|
|
{
|
|
UniqueTextureId id = getVtexIndexAt(cellX, cellY, x + rowStart, y + colStart, cache);
|
|
std::map<UniqueTextureId, unsigned int>::iterator found = textureIndicesMap.find(id);
|
|
if (found == textureIndicesMap.end())
|
|
{
|
|
unsigned int layerIndex = layerList.size();
|
|
Terrain::LayerInfo info = getLayerInfo(getTextureName(id));
|
|
|
|
// look for existing diffuse map, which may be present when several plugins use the same texture
|
|
for (unsigned int i = 0; i < layerList.size(); ++i)
|
|
{
|
|
if (layerList[i].mDiffuseMap == info.mDiffuseMap)
|
|
{
|
|
layerIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
found = textureIndicesMap.emplace(id, layerIndex).first;
|
|
|
|
if (layerIndex >= layerList.size())
|
|
{
|
|
osg::ref_ptr<osg::Image> image(new osg::Image);
|
|
image->allocateImage(blendmapImageSize, blendmapImageSize, 1, GL_ALPHA, GL_UNSIGNED_BYTE);
|
|
unsigned char* pData = image->data();
|
|
memset(pData, 0, image->getTotalDataSize());
|
|
blendmaps.emplace_back(image);
|
|
layerList.emplace_back(info);
|
|
}
|
|
}
|
|
unsigned int layerIndex = found->second;
|
|
unsigned char* pData = blendmaps[layerIndex]->data();
|
|
int realY = (blendmapSize - y - 1) * imageScaleFactor;
|
|
int realX = x * imageScaleFactor;
|
|
pData[((realY + 0) * blendmapImageSize + realX + 0)] = 255;
|
|
pData[((realY + 1) * blendmapImageSize + realX + 0)] = 255;
|
|
pData[((realY + 0) * blendmapImageSize + realX + 1)] = 255;
|
|
pData[((realY + 1) * blendmapImageSize + realX + 1)] = 255;
|
|
}
|
|
}
|
|
|
|
if (blendmaps.size() == 1)
|
|
blendmaps.clear(); // If a single texture fills the whole terrain, there is no need to blend
|
|
}
|
|
|
|
float Storage::getHeightAt(const osg::Vec3f& worldPos)
|
|
{
|
|
int cellX = static_cast<int>(std::floor(worldPos.x() / float(Constants::CellSizeInUnits)));
|
|
int cellY = static_cast<int>(std::floor(worldPos.y() / float(Constants::CellSizeInUnits)));
|
|
|
|
osg::ref_ptr<const LandObject> land = getLand(cellX, cellY);
|
|
if (!land)
|
|
return defaultHeight;
|
|
|
|
const ESM::Land::LandData* data = land->getData(ESM::Land::DATA_VHGT);
|
|
if (!data)
|
|
return defaultHeight;
|
|
|
|
// Mostly lifted from Ogre::Terrain::getHeightAtTerrainPosition
|
|
|
|
// Normalized position in the cell
|
|
float nX = (worldPos.x() - (cellX * Constants::CellSizeInUnits)) / float(Constants::CellSizeInUnits);
|
|
float nY = (worldPos.y() - (cellY * Constants::CellSizeInUnits)) / float(Constants::CellSizeInUnits);
|
|
|
|
// get left / bottom points (rounded down)
|
|
float factor = ESM::Land::LAND_SIZE - 1.0f;
|
|
float invFactor = 1.0f / factor;
|
|
|
|
int startX = static_cast<int>(nX * factor);
|
|
int startY = static_cast<int>(nY * factor);
|
|
int endX = startX + 1;
|
|
int endY = startY + 1;
|
|
|
|
endX = std::min(endX, ESM::Land::LAND_SIZE - 1);
|
|
endY = std::min(endY, ESM::Land::LAND_SIZE - 1);
|
|
|
|
// now get points in terrain space (effectively rounding them to boundaries)
|
|
float startXTS = startX * invFactor;
|
|
float startYTS = startY * invFactor;
|
|
float endXTS = endX * invFactor;
|
|
float endYTS = endY * invFactor;
|
|
|
|
// get parametric from start coord to next point
|
|
float xParam = (nX - startXTS) * factor;
|
|
float yParam = (nY - startYTS) * factor;
|
|
|
|
/* For even / odd tri strip rows, triangles are this shape:
|
|
even odd
|
|
3---2 3---2
|
|
| / | | \ |
|
|
0---1 0---1
|
|
*/
|
|
|
|
// Build all 4 positions in normalized cell space, using point-sampled height
|
|
osg::Vec3f v0(startXTS, startYTS, getVertexHeight(data, startX, startY) / float(Constants::CellSizeInUnits));
|
|
osg::Vec3f v1(endXTS, startYTS, getVertexHeight(data, endX, startY) / float(Constants::CellSizeInUnits));
|
|
osg::Vec3f v2(endXTS, endYTS, getVertexHeight(data, endX, endY) / float(Constants::CellSizeInUnits));
|
|
osg::Vec3f v3(startXTS, endYTS, getVertexHeight(data, startX, endY) / float(Constants::CellSizeInUnits));
|
|
// define this plane in terrain space
|
|
osg::Plane plane;
|
|
// FIXME: deal with differing triangle alignment
|
|
if (true)
|
|
{
|
|
// odd row
|
|
bool secondTri = ((1.0 - yParam) > xParam);
|
|
if (secondTri)
|
|
plane = osg::Plane(v0, v1, v3);
|
|
else
|
|
plane = osg::Plane(v1, v2, v3);
|
|
}
|
|
/*
|
|
else
|
|
{
|
|
// even row
|
|
bool secondTri = (yParam > xParam);
|
|
if (secondTri)
|
|
plane.redefine(v0, v2, v3);
|
|
else
|
|
plane.redefine(v0, v1, v2);
|
|
}
|
|
*/
|
|
|
|
// Solve plane equation for z
|
|
return (-plane.getNormal().x() * nX - plane.getNormal().y() * nY - plane[3]) / plane.getNormal().z()
|
|
* Constants::CellSizeInUnits;
|
|
}
|
|
|
|
const LandObject* Storage::getLand(int cellX, int cellY, LandCache& cache)
|
|
{
|
|
LandCache::Map::iterator found = cache.mMap.find(std::make_pair(cellX, cellY));
|
|
if (found != cache.mMap.end())
|
|
return found->second;
|
|
else
|
|
{
|
|
found = cache.mMap.insert(std::make_pair(std::make_pair(cellX, cellY), getLand(cellX, cellY))).first;
|
|
return found->second;
|
|
}
|
|
}
|
|
|
|
void Storage::adjustColor(int col, int row, const ESM::Land::LandData* heightData, osg::Vec4ub& color) const {}
|
|
|
|
float Storage::getAlteredHeight(int col, int row) const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
Terrain::LayerInfo Storage::getLayerInfo(const std::string& texture)
|
|
{
|
|
std::lock_guard<std::mutex> lock(mLayerInfoMutex);
|
|
|
|
// Already have this cached?
|
|
std::map<std::string, Terrain::LayerInfo>::iterator found = mLayerInfoMap.find(texture);
|
|
if (found != mLayerInfoMap.end())
|
|
return found->second;
|
|
|
|
Terrain::LayerInfo info;
|
|
info.mParallax = false;
|
|
info.mSpecular = false;
|
|
info.mDiffuseMap = texture;
|
|
|
|
if (mAutoUseNormalMaps)
|
|
{
|
|
std::string texture_ = texture;
|
|
Misc::StringUtils::replaceLast(texture_, ".", mNormalHeightMapPattern + ".");
|
|
if (mVFS->exists(texture_))
|
|
{
|
|
info.mNormalMap = texture_;
|
|
info.mParallax = true;
|
|
}
|
|
else
|
|
{
|
|
texture_ = texture;
|
|
Misc::StringUtils::replaceLast(texture_, ".", mNormalMapPattern + ".");
|
|
if (mVFS->exists(texture_))
|
|
info.mNormalMap = texture_;
|
|
}
|
|
}
|
|
|
|
if (mAutoUseSpecularMaps)
|
|
{
|
|
std::string texture_ = texture;
|
|
Misc::StringUtils::replaceLast(texture_, ".", mSpecularMapPattern + ".");
|
|
if (mVFS->exists(texture_))
|
|
{
|
|
info.mDiffuseMap = texture_;
|
|
info.mSpecular = true;
|
|
}
|
|
}
|
|
|
|
mLayerInfoMap[texture] = info;
|
|
|
|
return info;
|
|
}
|
|
|
|
float Storage::getCellWorldSize()
|
|
{
|
|
return static_cast<float>(ESM::Land::REAL_SIZE);
|
|
}
|
|
|
|
int Storage::getCellVertices()
|
|
{
|
|
return ESM::Land::LAND_SIZE;
|
|
}
|
|
|
|
int Storage::getBlendmapScale(float chunkSize)
|
|
{
|
|
return ESM::Land::LAND_TEXTURE_SIZE * chunkSize;
|
|
}
|
|
|
|
}
|