// Create image saved in file
int Level::CreateImage(const STRING & file)
{
if (cancel)
return LVL_ERR_CANCEL;
state = CREATEIMAGE;
if (chunks.empty())
return LVL_ERR_NOCHUNKS;
INT64 minX = MAPCOORD;
INT64 minY = MAPCOORD;
INT64 maxX = -MAPCOORD;
INT64 maxY = -MAPCOORD;
blocks = chunks.size() << 8;
bool doRender = !(prefs.flags & CHUNKP_NORENDER);
// Calculate size
for (list<Chunk *>::iterator i = chunks.begin(); i != chunks.end(); ++i)
{
Chunk * chunk = (*i);
if (!chunk->isValid())
continue;
if (doRender)
{
COORDS x = chunk->GetX();
COORDS y = chunk->GetY();
if (x < minX)
minX = x;
if (y < minY)
minY = y;
if (x > maxX)
maxX = x;
if (y > maxY)
maxY = y;
}
// And add to amount while we are processing
amount += chunk->amount;
}
if (cancel)
return LVL_ERR_CANCEL;
if (doRender)
{
// No valid chunks?
if (minX == MAPCOORD && minY == MAPCOORD &&
maxX == -MAPCOORD && maxY == -MAPCOORD)
return LVL_ERR_INVALIDCHUNKS;
prefs.rotation = abs((prefs.rotation / 90) * 90) % 360;
float rad = (2 * 3.14159265f * prefs.rotation) / 360;
UINT
maxWidth = (UINT)(maxX - minX),
maxHeight = (UINT)(maxY - minY);
UINT
width = (maxWidth + 1) * MAPX,
height = (maxHeight + 1) * MAPY;
// Foolproof
if (width == 0 || height == 0)
return LVL_ERR_INVALIDSIZE;
// Rotate
{
float rCos = cos(rad);
float rSin = sin(rad);
rCos = (rCos < 0) ? -rCos : rCos;
rSin = (rSin < 0) ? -rSin : rSin;
UINT newWidth = UINT(width * rCos + height * rSin);
UINT newHeight = UINT(height * rCos + width * rSin);
width = newWidth;
height = newHeight;
}
// Foolproof
if (width == 0 || height == 0)
return LVL_ERR_INVALIDSIZE;
bool useCache = !prefs.cache.empty();
ImageCache cache(height, width);
Image * image = 0;
if (!useCache)
{
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
// No more than 1 GiB
if (width * height * sizeof(Color) > min(1073741824, Computer::GetAvailableMemory()))
return LVL_ERR_TOOLARGE;
try
{
image = new Image(height, width);
if (image == 0)
throw LVL_ERR_TOOLARGE;
}
catch (Level_Error error)
{
return error;
}
}
else
{
STRING cacheFile = prefs.cache;
cacheFile.append(STR("\\cache.bin"));
cacheFile = Port::ReplacePath(cacheFile);
if (!cache.Open(cacheFile))
return LVL_ERR_CACHE;
}
// Sort list
//chunks.sort(compare_chunks);
// Found duplicates
//if (amountDuplicates > 0)
// return LVL_ERR_DUPLICATES;
// Create image
int n = 0;
for (list<Chunk *>::iterator i = chunks.begin(); i != chunks.end(); ++i, ++n)
{
Chunk * chunk = (*i);
if (!chunk->isValid())
continue;
Image * img = chunk->GetImage();
// One more try
if (!img)
{
chunk->pref = prefs;
chunk->CreateImage();
img = chunk->GetImage();
if (!img)
continue;
}
UINT x = 0;
UINT y = 0;
switch (prefs.rotation)
{
case 90:
x = (width - (UINT(chunk->GetY() - minY) * (MAPY))) - MAPY;
y = UINT(chunk->GetX() - minX) * MAPX;
break;
case 180:
x = (width - (UINT(chunk->GetX() - minX) * (MAPX))) - MAPX;
y = (height - (UINT(chunk->GetY() - minY) * (MAPY))) - MAPY;
break;
case 270:
x = UINT(chunk->GetY() - minY) * MAPY;
y = (height - (UINT(chunk->GetX() - minX) * (MAPX))) - MAPX;
break;
case 0:
default:
x = UINT(chunk->GetX() - minX) * MAPX;
y = UINT(chunk->GetY() - minY) * MAPY;
}
Color chnk[MAPX][MAPY] = {0};
// Write pixel for pixel
for (UINT X = 0; X < MAPX; ++X)
{
for (UINT Y = 0; Y < MAPY; ++Y)
{
UINT XX = 0;
UINT YY = 0;
switch (prefs.rotation)
{
case 90:
XX = Y;
YY = (MAPX - 1) - X;
break;
case 180:
XX = (MAPX - 1) - X;
YY = (MAPY - 1) - Y;
break;
case 270:
XX = (MAPY - 1) - Y;
YY = X;
break;
case 0:
default:
XX = X;
YY = Y;
}
if (!useCache)
{
image->SetPixel((height - (y + Y)) - 1, (x + X), img->GetPixel(YY, XX));
}
else
{
Color * current = (*chnk) + ((MAPY - (Y+1)) + (MAPY * X));
Color c = img->GetPixel(YY, XX);
memcpy(current, &c, sizeof(Color));
}
}
}
if (useCache)
{
for (UINT X = 0; X < MAPX; ++X)
{
cache.Write(chnk[X], (height - y) - MAPY, (x + X), MAPY);
}
}
done = ((float)n/(float)total);
}
done = 1;
// No render mode
if (prefs.flags & CHUNKP_NORENDER)
{
saved = true;
if (!useCache)
{
delete image;
}
else
{
cache.Close();
}
state = FINALIZING;
return LVL_OK;
}
// Save image
state = SAVING;
// Normal save of image
if (!useCache)
{
if (image->PrepareSave(file))
{
for (UINT i = 0; i < width; ++i)
{
if (!image->SaveRow(i))
break;
done = (float)i/(float)width;
}
saved = image->CloseSave();
}
done = 1;
delete image;
}
// Save from cache
else
{
ImageSave sav;
if (sav.Prepare(file, height, width))
{
Color * line = new Color[height];
for (UINT i = 0; i < width; ++i)
{
cache.Read(&line, 0, i, height);
if (!sav.Row(line))
break;
done = (float)i/(float)width;
}
delete[] line;
saved = sav.Close();
}
cache.Close();
done = 1;
}
}
else
{
saved = true;
}
state = FINALIZING;
return saved ? LVL_OK : LVL_ERR_SAVE;
}
