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Fixed a crash when there were cells with no data, refactored to remove non mutable data from CellStore

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actorid
Jacob Essex 13 years ago
parent 99b2b6b648
commit b76b62e5e4
7 changed files with 145 additions and 130 deletions
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3
apps/openmw/mwrender/renderingmanager.cpp
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@ -23,7 +23,8 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
:mRendering(_rend), mObjects(mRendering), mActors(mRendering, environment), mAmbientMode(0), mDebugging(engine)
{
mRendering.createScene("PlayerCam", 55, 5);
mTerrainManager = new TerrainManager(mRendering.getScene());
mTerrainManager = new TerrainManager(mRendering.getScene(),
environment);
//The fog type must be set before any terrain objects are created as if the
//fog type is set to FOG_NONE then the initially created terrain won't have any fog

152
apps/openmw/mwrender/terrain.cpp
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@ -1,12 +1,12 @@
#include <OgreTerrain.h>
#include <OgreTerrainGroup.h>
#include <boost/lexical_cast.hpp>
#include "../mwworld/world.hpp"
#include "terrainmaterial.hpp"
#include "terrain.hpp"
#include "components/esm/loadland.hpp"
#include <boost/lexical_cast.hpp>
using namespace Ogre;
@ -15,7 +15,8 @@ namespace MWRender
//----------------------------------------------------------------------------------------------
TerrainManager::TerrainManager(SceneManager* mgr)
TerrainManager::TerrainManager(Ogre::SceneManager* mgr, const MWWorld::Environment& evn) :
mEnvironment(evn)
{
mTerrainGlobals = OGRE_NEW TerrainGlobalOptions();
@ -102,6 +103,12 @@ namespace MWRender
const int cellX = store->cell->getGridX();
const int cellY = store->cell->getGridY();
ESM::Land* land = mEnvironment.mWorld->getStore().lands.search(cellX, cellY);
if ( land != NULL )
{
land->loadData();
}
//split the cell terrain into four segments
const int numTextures = ESM::Land::LAND_TEXTURE_SIZE/2;
@ -122,22 +129,29 @@ namespace MWRender
mLandSize*mLandSize,
MEMCATEGORY_GEOMETRY);
//copy the height data row by row
for ( int terrainCopyY = 0; terrainCopyY < mLandSize; terrainCopyY++ )
if ( land != NULL )
{
//the offset of the current segment
const size_t yOffset = y * (mLandSize-1) * ESM::Land::LAND_SIZE +
//offset of the row
terrainCopyY * ESM::Land::LAND_SIZE;
const size_t xOffset = x * (mLandSize-1);
memcpy(&terrainData.inputFloat[terrainCopyY*mLandSize],
&store->land[1][1]->landData->heights[yOffset + xOffset],
mLandSize*sizeof(float));
//copy the height data row by row
for ( int terrainCopyY = 0; terrainCopyY < mLandSize; terrainCopyY++ )
{
//the offset of the current segment
const size_t yOffset = y * (mLandSize-1) * ESM::Land::LAND_SIZE +
//offset of the row
terrainCopyY * ESM::Land::LAND_SIZE;
const size_t xOffset = x * (mLandSize-1);
memcpy(&terrainData.inputFloat[terrainCopyY*mLandSize],
&land->landData->heights[yOffset + xOffset],
mLandSize*sizeof(float));
}
}
else
{
memset(terrainData.inputFloat, 0, mLandSize*mLandSize*sizeof(float));
}
std::map<uint16_t, int> indexes;
initTerrainTextures(&terrainData, store,
initTerrainTextures(&terrainData, cellX, cellY,
x * numTextures, y * numTextures,
numTextures, indexes);
@ -148,16 +162,18 @@ namespace MWRender
mTerrainGroup->loadTerrain(terrainX, terrainY, true);
Terrain* terrain = mTerrainGroup->getTerrain(terrainX, terrainY);
initTerrainBlendMaps(terrain, store,
initTerrainBlendMaps(terrain,
cellX, cellY,
x * numTextures, y * numTextures,
numTextures,
indexes);
if ( store->land[1][1]->landData->usingColours )
if ( land->landData->usingColours )
{
// disable or enable global colour map (depends on available vertex colours)
mActiveProfile->setGlobalColourMapEnabled(true);
TexturePtr vertex = getVertexColours(store,
TexturePtr vertex = getVertexColours(land,
cellX, cellY,
x*(mLandSize-1),
y*(mLandSize-1),
mLandSize);
@ -197,11 +213,10 @@ namespace MWRender
//----------------------------------------------------------------------------------------------
void TerrainManager::initTerrainTextures(Terrain::ImportData* terrainData,
MWWorld::Ptr::CellStore* store,
int cellX, int cellY,
int fromX, int fromY, int size,
std::map<uint16_t, int>& indexes)
{
assert(store != NULL && "store must be a valid pointer");
assert(terrainData != NULL && "Must have valid terrain data");
assert(fromX >= 0 && fromY >= 0 &&
"Can't get a terrain texture on terrain outside the current cell");
@ -219,7 +234,7 @@ namespace MWRender
{
for ( int x = fromX - 1; x < fromX + size + 1; x++ )
{
ltexIndexes.insert(getLtexIndexAt(store, x, y));
ltexIndexes.insert(getLtexIndexAt(cellX, cellY, x, y));
}
}
@ -244,7 +259,7 @@ namespace MWRender
{
//NB: All vtex ids are +1 compared to the ltex ids
assert( (int)store->landTextures->ltex.size() >= (int)ltexIndex - 1 &&
assert( (int)mEnvironment.mWorld->getStore().landTexts.getSize() >= (int)ltexIndex - 1 &&
"LAND.VTEX must be within the bounds of the LTEX array");
std::string texture;
@ -254,7 +269,7 @@ namespace MWRender
}
else
{
texture = store->landTextures->ltex[ltexIndex-1].texture;
texture = mEnvironment.mWorld->getStore().landTexts.search(ltexIndex-1)->texture;
//TODO this is needed due to MWs messed up texture handling
texture = texture.substr(0, texture.rfind(".")) + ".dds";
}
@ -280,11 +295,10 @@ namespace MWRender
//----------------------------------------------------------------------------------------------
void TerrainManager::initTerrainBlendMaps(Terrain* terrain,
MWWorld::Ptr::CellStore* store,
int cellX, int cellY,
int fromX, int fromY, int size,
const std::map<uint16_t, int>& indexes)
{
assert(store != NULL && "store must be a valid pointer");
assert(terrain != NULL && "Must have valid terrain");
assert(fromX >= 0 && fromY >= 0 &&
"Can't get a terrain texture on terrain outside the current cell");
@ -313,7 +327,7 @@ namespace MWRender
{
for ( int texX = fromX - 1; texX < fromX + size + 1; texX++ )
{
const uint16_t ltexIndex = getLtexIndexAt(store, texX, texY);
const uint16_t ltexIndex = getLtexIndexAt(cellX, cellY, texX, texY);
//check if it is the base texture (which isn't in the map) and
//if it is don't bother altering the blend map for it
@ -332,8 +346,10 @@ namespace MWRender
float* const pBlend = terrain->getLayerBlendMap(layerIndex)
->getBlendPointer();
for ( int y = -1; y < splatSize + 1; y++ ){
for ( int x = -1; x < splatSize + 1; x++ ){
for ( int y = -1; y < splatSize + 1; y++ )
{
for ( int x = -1; x < splatSize + 1; x++ )
{
//Note: Y is reversed
const int splatY = blendMapSize - 1 - relY * splatSize - y;
@ -373,7 +389,7 @@ namespace MWRender
//----------------------------------------------------------------------------------------------
int TerrainManager::getLtexIndexAt(MWWorld::Ptr::CellStore* store,
int TerrainManager::getLtexIndexAt(int cellX, int cellY,
int x, int y)
{
//check texture index falls within the 9 cell bounds
@ -386,12 +402,6 @@ namespace MWRender
y < 2*ESM::Land::LAND_TEXTURE_SIZE &&
"Trying to get land textures that are out of bounds");
assert(store != NULL && "Store pointer must be valid");
//default center cell is indexed at (1,1)
int cellX = 1;
int cellY = 1;
if ( x < 0 )
{
cellX--;
@ -414,22 +424,32 @@ namespace MWRender
y -= ESM::Land::LAND_TEXTURE_SIZE;
}
return store->land[cellX][cellY]
->landData
->textures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
ESM::Land* land = mEnvironment.mWorld->getStore().lands.search(cellX, cellY);
if ( land != NULL )
{
land->loadData();
return land->landData
->textures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
}
else
{
return 0;
}
}
//----------------------------------------------------------------------------------------------
TexturePtr TerrainManager::getVertexColours(MWWorld::Ptr::CellStore* store,
int fromX, int fromY, int size)
TexturePtr TerrainManager::getVertexColours(ESM::Land* land,
int cellX, int cellY,
int fromX, int fromY, int size)
{
TextureManager* const texMgr = TextureManager::getSingletonPtr();
const std::string colourTextureName = "VtexColours_" +
boost::lexical_cast<std::string>(store->cell->getGridX()) +
boost::lexical_cast<std::string>(cellX) +
"_" +
boost::lexical_cast<std::string>(store->cell->getGridY()) +
boost::lexical_cast<std::string>(cellY) +
"_" +
boost::lexical_cast<std::string>(fromX) +
"_" +
@ -451,26 +471,42 @@ namespace MWRender
const PixelBox& pixelBox = pixelBuffer->getCurrentLock();
uint8* pDest = static_cast<uint8*>(pixelBox.data);
const char* const colours = store->land[1][1]->landData->colours;
for ( int y = 0; y < size; y++ )
if ( land != NULL )
{
for ( int x = 0; x < size; x++ )
const char* const colours = land->landData->colours;
for ( int y = 0; y < size; y++ )
{
const size_t colourOffset = (y+fromY)*3*65 + (x+fromX)*3;
for ( int x = 0; x < size; x++ )
{
const size_t colourOffset = (y+fromY)*3*65 + (x+fromX)*3;
assert( colourOffset >= 0 && colourOffset < 65*65*3 &&
"Colour offset is out of the expected bounds of record" );
assert( colourOffset < 65*65*3 &&
"Colour offset is out of the expected bounds of record" );
const unsigned char r = colours[colourOffset + 0];
const unsigned char g = colours[colourOffset + 1];
const unsigned char b = colours[colourOffset + 2];
const unsigned char r = colours[colourOffset + 0];
const unsigned char g = colours[colourOffset + 1];
const unsigned char b = colours[colourOffset + 2];
//as is the case elsewhere we need to flip the y
const size_t imageOffset = (size - 1 - y)*size*4 + x*4;
pDest[imageOffset + 0] = b;
pDest[imageOffset + 1] = g;
pDest[imageOffset + 2] = r;
//as is the case elsewhere we need to flip the y
const size_t imageOffset = (size - 1 - y)*size*4 + x*4;
pDest[imageOffset + 0] = b;
pDest[imageOffset + 1] = g;
pDest[imageOffset + 2] = r;
}
}
}
else
{
for ( int y = 0; y < size; y++ )
{
for ( int x = 0; x < size; x++ )
{
for ( int k = 0; k < 3; k++ )
{
*pDest++ = 0;
}
}
}
}

25
apps/openmw/mwrender/terrain.hpp
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@ -23,7 +23,7 @@ namespace MWRender{
*/
class TerrainManager{
public:
TerrainManager(Ogre::SceneManager*);
TerrainManager(Ogre::SceneManager* mgr, const MWWorld::Environment& env);
virtual ~TerrainManager();
void setDiffuse(const Ogre::ColourValue& diffuse);
@ -35,6 +35,8 @@ namespace MWRender{
Ogre::TerrainGlobalOptions* mTerrainGlobals;
Ogre::TerrainGroup* mTerrainGroup;
const MWWorld::Environment& mEnvironment;
Ogre::TerrainMaterialGeneratorB::SM2Profile* mActiveProfile;
/**
@ -53,7 +55,8 @@ namespace MWRender{
* layer
*
* @param terrainData the terrain data to setup the textures for
* @param store the cell store for the given terrain cell
* @param cellX the coord of the cell
* @param cellY the coord of the cell
* @param fromX the ltex index in the current cell to start making the texture from
* @param fromY the ltex index in the current cell to start making the texture from
* @param size the size (number of splats) to get
@ -61,7 +64,7 @@ namespace MWRender{
* can be used by initTerrainBlendMaps
*/
void initTerrainTextures(Ogre::Terrain::ImportData* terrainData,
MWWorld::Ptr::CellStore* store,
int cellX, int cellY,
int fromX, int fromY, int size,
std::map<uint16_t, int>& indexes);
@ -69,14 +72,15 @@ namespace MWRender{
* Creates the blend (splatting maps) for the given terrain from the ltex data.
*
* @param terrain the terrain object for the current cell
* @param store the cell store for the given terrain cell
* @param cellX the coord of the cell
* @param cellY the coord of the cell
* @param fromX the ltex index in the current cell to start making the texture from
* @param fromY the ltex index in the current cell to start making the texture from
* @param size the size (number of splats) to get
* @param indexes the mapping of ltex to blend map produced by initTerrainTextures
*/
void initTerrainBlendMaps(Ogre::Terrain* terrain,
MWWorld::Ptr::CellStore* store,
int cellX, int cellY,
int fromX, int fromY, int size,
const std::map<uint16_t, int>& indexes);
@ -85,22 +89,25 @@ namespace MWRender{
* starts at (0,0). This supports getting values from the surrounding
* cells so negative x, y is acceptable
*
* @param store the cell store for the current cell
* @param cellX the coord of the cell
* @param cellY the coord of the cell
* @param x, y the splat position of the ltex index to get relative to the
* first splat of the current cell
*/
int getLtexIndexAt(MWWorld::Ptr::CellStore* store, int x, int y);
int getLtexIndexAt(int cellX, int cellY, int x, int y);
/**
* Due to the fact that Ogre terrain doesn't support vertex colours
* we have to generate them manually
*
* @param store the cell store for the given terrain cell
* @param cellX the coord of the cell
* @param cellY the coord of the cell
* @param fromX the *vertex* index in the current cell to start making texture from
* @param fromY the *vertex* index in the current cell to start making the texture from
* @param size the size (number of vertexes) to get
*/
Ogre::TexturePtr getVertexColours(MWWorld::Ptr::CellStore* store,
Ogre::TexturePtr getVertexColours(ESM::Land* land,
int cellX, int cellY,
int fromX, int fromY, int size);
};

22
components/esm/loadland.cpp
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@ -4,6 +4,8 @@ namespace ESM
{
void Land::load(ESMReader &esm)
{
mEsm = &esm;
// Get the grid location
esm.getSubNameIs("INTV");
esm.getSubHeaderIs(8);
@ -51,7 +53,7 @@ void Land::load(ESMReader &esm)
landData = NULL;
}
void Land::loadData(ESMReader &esm)
void Land::loadData()
{
if (dataLoaded)
{
@ -62,17 +64,17 @@ void Land::loadData(ESMReader &esm)
if (hasData)
{
esm.restoreContext(context);
mEsm->restoreContext(context);
//esm.getHNExact(landData->normals, sizeof(VNML), "VNML");
if (esm.isNextSub("VNML"))
if (mEsm->isNextSub("VNML"))
{
esm.skipHSubSize(12675);
mEsm->skipHSubSize(12675);
}
VHGT rawHeights;
esm.getHNExact(&rawHeights, sizeof(VHGT), "VHGT");
mEsm->getHNExact(&rawHeights, sizeof(VHGT), "VHGT");
int currentHeightOffset = rawHeights.heightOffset;
for (int y = 0; y < LAND_SIZE; y++)
{
@ -87,20 +89,20 @@ void Land::loadData(ESMReader &esm)
}
}
if (esm.isNextSub("WNAM"))
if (mEsm->isNextSub("WNAM"))
{
esm.skipHSubSize(81);
mEsm->skipHSubSize(81);
}
if (esm.isNextSub("VCLR"))
if (mEsm->isNextSub("VCLR"))
{
landData->usingColours = true;
esm.getHExact(&landData->colours, 3*LAND_NUM_VERTS);
mEsm->getHExact(&landData->colours, 3*LAND_NUM_VERTS);
}else{
landData->usingColours = false;
}
//TODO fix magic numbers
uint16_t vtex[512];
esm.getHNExact(&vtex, 512, "VTEX");
mEsm->getHNExact(&vtex, 512, "VTEX");
int readPos = 0; //bit ugly, but it works
for ( int y1 = 0; y1 < 4; y1++ )

3
components/esm/loadland.hpp
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@ -17,6 +17,7 @@ struct Land
// File context. This allows the ESM reader to be 'reset' to this
// location later when we are ready to load the full data set.
ESMReader* mEsm;
ESM_Context context;
bool hasData;
@ -70,7 +71,7 @@ struct Land
/**
* Actually loads data
*/
void loadData(ESMReader &esm);
void loadData();
/**
* Frees memory allocated for land data

36
components/esm_store/cell_store.hpp
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@ -124,9 +124,6 @@ namespace ESMS
CellRefList<Static, D> statics;
CellRefList<Weapon, D> weapons;
const Land* land[3][3];
const LTexList* landTextures;
void load (const ESMStore &store, ESMReader &esm)
{
if (mState!=State_Loaded)
@ -138,21 +135,6 @@ namespace ESMS
loadRefs (store, esm);
if ( ! (cell->data.flags & ESM::Cell::Interior) )
{
for ( size_t x = 0; x < 3; x++ )
{
for ( size_t y = 0; y < 3; y++ )
{
land[x][y] = loadTerrain(cell->data.gridX + x - 1,
cell->data.gridY + y - 1,
store,
esm);
}
}
landTextures = &store.landTexts;
}
mState = State_Loaded;
}
}
@ -198,24 +180,6 @@ namespace ESMS
private:
Land* loadTerrain(int X, int Y, const ESMStore &store, ESMReader &esm)
{
// load terrain
Land *land = store.lands.search(X, Y);
if (land != NULL)
{
land->loadData(esm);
}
return land;
}
void unloadTerrain(int X, int Y, const ESMStore &store) {
assert (false &&
"This function is not implemented due to the fact that we now store overlapping land blocks so" &&
"we cannot be sure that the land segment is not being used by another CellStore");
}
template<class Functor, class List>
bool forEachImp (Functor& functor, List& list)
{

34
components/esm_store/reclists.hpp
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@ -201,15 +201,21 @@ namespace ESMS
// TODO: For multiple ESM/ESP files we need one list per file.
std::vector<LandTexture> ltex;
int count;
LTexList() : count(0)
LTexList()
{
// More than enough to hold Morrowind.esm.
ltex.reserve(128);
}
int getSize() { return count; }
const LandTexture* search(size_t index) const
{
assert(index < ltex.size());
return &ltex.at(index);
}
int getSize() { return ltex.size(); }
int getSize() const { return ltex.size(); }
virtual void listIdentifier (std::vector<std::string>& identifier) const {}
@ -236,9 +242,9 @@ namespace ESMS
virtual ~LandList() {}
// Map containing all landscapes
typedef std::map<int, Land*> LandsCol;
typedef std::map<int, LandsCol> Lands;
Lands lands;
typedef std::pair<int, int> LandCoord;
typedef std::map<LandCoord, Land*> LandMap;
LandMap lands;
int count;
LandList() : count(0) {}
@ -249,15 +255,13 @@ namespace ESMS
// Find land for the given coordinates. Return null if no data.
Land *search(int x, int y) const
{
Lands::const_iterator it = lands.find(x);
if(it==lands.end())
return NULL;
LandsCol::const_iterator it2 = it->second.find(y);
if(it2 == it->second.end())
LandMap::const_iterator itr = lands.find(std::make_pair<int, int>(x, y));
if ( itr == lands.end() )
{
return NULL;
}
return it2->second;
return itr->second;
}
void load(ESMReader &esm, const std::string &id)
@ -266,11 +270,11 @@ namespace ESMS
// Create the structure and load it. This actually skips the
// landscape data and remembers the file position for later.
Land *land = new Land;
Land *land = new Land();
land->load(esm);
// Store the structure
lands[land->X][land->Y] = land;
lands[std::make_pair<int, int>(land->X, land->Y)] = land;
}
};

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