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ESSImport: convert world map overlay (Fixes #2313)

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This commit is contained in:
scrawl 2015-01-29 02:20:14 +01:00
parent c0a88161b2
commit 201674cd70
3 changed files with 73 additions and 5 deletions
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69
apps/essimporter/converter.cpp
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@ -3,6 +3,7 @@
#include <stdexcept>
#include <OgreImage.h>
#include <OgreColourValue.h>
#include <components/esm/creaturestate.hpp>
#include <components/esm/containerstate.hpp>
@ -69,7 +70,65 @@ namespace ESSImport
esm.getSubHeader();
data.resize(esm.getSubSize());
esm.getExact(&data[0], data.size());
convertImage(&data[0], data.size(), maph.size, maph.size, Ogre::PF_BYTE_RGB, "map.tga");
Ogre::DataStreamPtr stream (new Ogre::MemoryDataStream(&data[0], data.size()));
mGlobalMapImage.loadRawData(stream, maph.size, maph.size, 1, Ogre::PF_BYTE_RGB);
// to match openmw size
mGlobalMapImage.resize(maph.size*2, maph.size*2, Ogre::Image::FILTER_BILINEAR);
}
void ConvertFMAP::write(ESM::ESMWriter &esm)
{
int numcells = mGlobalMapImage.getWidth() / 18; // NB truncating, doesn't divide perfectly
// with the 512x512 map the game has by default
int cellSize = mGlobalMapImage.getWidth()/numcells;
// Note the upper left corner of the (0,0) cell should be at (width/2, height/2)
mContext->mGlobalMapState.mBounds.mMinX = -numcells/2;
mContext->mGlobalMapState.mBounds.mMaxX = (numcells-1)/2;
mContext->mGlobalMapState.mBounds.mMinY = -(numcells-1)/2;
mContext->mGlobalMapState.mBounds.mMaxY = numcells/2;
Ogre::Image image2;
std::vector<Ogre::uint8> data;
int width = cellSize*numcells;
int height = cellSize*numcells;
data.resize(width*height*4, 0);
image2.loadDynamicImage(&data[0], width, height, Ogre::PF_BYTE_RGBA);
for (std::set<std::pair<int, int> >::const_iterator it = mContext->mExploredCells.begin(); it != mContext->mExploredCells.end(); ++it)
{
if (it->first > mContext->mGlobalMapState.mBounds.mMaxX
|| it->first < mContext->mGlobalMapState.mBounds.mMinX
|| it->second > mContext->mGlobalMapState.mBounds.mMaxY
|| it->second < mContext->mGlobalMapState.mBounds.mMinY)
{
// out of bounds, I think this could happen, since the original engine had a fixed-size map
continue;
}
int imageLeftSrc = mGlobalMapImage.getWidth()/2;
int imageTopSrc = mGlobalMapImage.getHeight()/2;
imageLeftSrc += it->first * cellSize;
imageTopSrc -= it->second * cellSize;
int imageLeftDst = width/2;
int imageTopDst = height/2;
imageLeftDst += it->first * cellSize;
imageTopDst -= it->second * cellSize;
for (int x=0; x<cellSize; ++x)
for (int y=0; y<cellSize; ++y)
image2.setColourAt(mGlobalMapImage.getColourAt(imageLeftSrc+x, imageTopSrc+y, 0)
, imageLeftDst+x, imageTopDst+y, 0);
}
Ogre::DataStreamPtr encoded = image2.encode("png");
mContext->mGlobalMapState.mImageData.resize(encoded->size());
encoded->read(&mContext->mGlobalMapState.mImageData[0], encoded->size());
esm.startRecord(ESM::REC_GMAP);
mContext->mGlobalMapState.save(esm);
esm.endRecord(ESM::REC_GMAP);
}
void ConvertCell::read(ESM::ESMReader &esm)
@ -103,6 +162,10 @@ namespace ESSImport
// (probably offset of that specific fog texture?)
while (esm.isNextSub("NAM8"))
{
if (cell.isExterior()) // TODO: NAM8 occasionally exists for cells that haven't been explored.
// are there any flags marking explored cells?
mContext->mExploredCells.insert(std::make_pair(cell.mData.mX, cell.mData.mY));
esm.getSubHeader();
if (esm.getSubSize() == 36)
@ -313,10 +376,6 @@ namespace ESSImport
it->save(esm);
esm.endRecord(ESM::REC_MARK);
}
esm.startRecord(ESM::REC_GMAP);
mContext->mGlobalMapState.save(esm);
esm.endRecord(ESM::REC_GMAP);
}
}

6
apps/essimporter/converter.hpp
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@ -1,6 +1,8 @@
#ifndef OPENMW_ESSIMPORT_CONVERTER_H
#define OPENMW_ESSIMPORT_CONVERTER_H
#include <OgreImage.h>
#include <components/esm/esmreader.hpp>
#include <components/esm/esmwriter.hpp>
@ -312,6 +314,10 @@ class ConvertFMAP : public Converter
{
public:
virtual void read(ESM::ESMReader &esm);
virtual void write(ESM::ESMWriter &esm);
private:
Ogre::Image mGlobalMapImage;
};
class ConvertCell : public Converter

3
apps/essimporter/importercontext.hpp
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@ -29,6 +29,9 @@ namespace ESSImport
ESM::DialogueState mDialogueState;
// cells which should show an explored overlay on the global map
std::set<std::pair<int, int> > mExploredCells;
ESM::GlobalMap mGlobalMapState;
int mDay, mMonth, mYear;