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MapRender: First release (FormEditorCommon, FormEditorProperties, Map, MapBG, MapCommon, MapEditor, MapRenderTest.
git-svn-id: svn://ultimatepp.org/upp/trunk@4180 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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Sc0rch
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217
bazaar/MapBG/MipMapGen.cpp
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217
bazaar/MapBG/MipMapGen.cpp
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#include "MipMapGen.h"
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#include "MipMap.h"
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#include <Painter/Painter.h>
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static StaticMutex LevelsMutex;
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static Vector<MipMapLevel> Levels;
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static Vector<MapZoomLevel> ZoomLevels;
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bool CalcLevel(Image& img, int& step, int blocks, int zoomLevel, const String& dir, Progress& p,
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const Size& totalSize, int cx, int cy, double zx);
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void CalcCount(Image& img, int cx, int cy, int& step);
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int GetScalesTotal(Image& img, const Size& sz, double zoom);
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int GetBlocksTotal(Image& img, const Size& sz, const Size& cellSize, double zoom);
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Size GetScaledSize(Image& img, const Size& sz, double zoom, int level);
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Image GetScaledMap(Image& img, const Size& sz);
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Image GetScaledMap(Image& img, const Size& sz, double zoom, int level);
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bool Calculate(int cx, int cy, int px, int py, double zx, const String& name, Image& img)
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{
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Mutex::Lock __(LevelsMutex);
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Levels.Clear();
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ZoomLevels.Clear();
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// getting data
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Size sz = Size(cx, cy);
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Size ps = Size(px, py);
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// preparing directory
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String dir = AppendFileName( AppendFileName(GetFileDirectory(GetExeFilePath()), "Mipmaps"),
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name);
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RemoveDirectory(dir);
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RealizeDirectory(dir);
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String xmlFile = AppendFileName(
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AppendFileName(GetFileDirectory(GetExeFilePath()), "Mipmaps"),
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name + ".xml");
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String zoomFile = AppendFileName(
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AppendFileName(GetFileDirectory(GetExeFilePath()), "Mipmaps"),
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name.ToString() + ".zoom");
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FileDelete(xmlFile);
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FileDelete(zoomFile);
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// generating first level
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Levels.Clear();
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int blocks = GetBlocksTotal(img, ps, sz, zx);
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int total = GetScalesTotal(img, ps, zx);
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int count = 0;
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Progress p;
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p.Create();
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Size last = Null;
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for (int i = 0; i < total - 1; ++i)
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{
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Image scaledMap = GetScaledMap(img, ps, zx, i + 1);
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if (i == total - 2)
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last = scaledMap.GetSize();
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if (!CalcLevel(scaledMap, count, blocks, i, dir, p, scaledMap.GetSize(), cx, cy,
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(i == total - 1) ? 1.0 : zx))
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break;
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}
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if (!IsNull(last))
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CalcLevel(img, count, blocks, total - 1, dir, p, img.GetSize(), cx, cy,
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(double)img.GetSize().cx / last.cx);
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p.Close();
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if (!StoreAsXMLFile(Levels, "levels", xmlFile))
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{
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Exclamation("Ошибка при сохранении XML-файла карты!");
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return false;
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}
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if (!StoreAsXMLFile(ZoomLevels, "zoomLevels", zoomFile))
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{
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Exclamation("Ошибка при сохранении XML-файла значений zoom!");
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return false;
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}
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return true;
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}
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bool CalcLevel(Image& img, int& step, int blocks, int zoomLevel, const String& dir, Progress& p,
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const Size& totalSize, int cx, int cy, double zx)
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{
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Size sz = Size(cx, cy);
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double ratio = (double)img.GetSize().cx / img.GetSize().cy;
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int xt = img.GetSize().cx / cx + (img.GetSize().cx % cx ? 1 : 0);
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int yt = img.GetSize().cy / cy + (img.GetSize().cy % cy ? 1 : 0);
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MipMapLevel level;
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level
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.TotalCX(xt).TotalCY(yt).BlockCX(cx).BlockCY(cy).ZoomDX(zx)
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.TotalSizeCX(totalSize.cx)
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.TotalSizeCY(totalSize.cy);
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ZoomLevels.Add(MapZoomLevel(zx));
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int count = 0;
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for (int i = 0; i < xt; ++i)
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for (int j = 0; j < yt; ++j)
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{
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p.Title(NFormat("Блок %d из %d [%d, %d]", step + 1, blocks, cx, cy));
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ImageBuffer ib(cx, cy);
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BufferPainter sw(ib);
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sw.DrawRect(ib.GetSize(), White());
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sw.DrawImage(ib.GetSize(), img, Rect(Point(i * cx, j * cy), ib.GetSize()));
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PNGEncoder en;
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if (!en.SaveFile(AppendFileName(dir, NFormat("%d-%d-%d.png", zoomLevel,
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i * cx, j * cy)), Rescale(ib, sz, ib.GetSize())))
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{
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Exclamation("Ошибка при сохранении MipMap-изображения!");
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return false;
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}
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level.AddMipMap( Point(i * cx, j * cy), new MipMapItem() );
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p.Set(step++, blocks);
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}
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// xml part
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Levels.Add(level);
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return true;
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}
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void CalcCount(Image& img, int cx, int cy, int& step)
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{
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Size sz = img.GetSize();
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int xt = sz.cx / cx + (sz.cx % cx ? 1 : 0);
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int yt = sz.cy / cy + (sz.cy % cy ? 1 : 0);
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for (int i = 0; i < xt; ++i)
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for (int j = 0; j < yt; ++j)
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{
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step++;
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}
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}
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Image GetScaledMap(Image& img, const Size& sz)
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{
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double scale = min((double)sz.cx / img.GetSize().cx, (double)sz.cy / img.GetSize().cy);
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return Rescale(img, img.GetSize() * scale, img.GetSize());
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}
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Image GetScaledMap(Image& img, const Size& sz, double zoom, int level)
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{
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return Rescale(img, GetScaledSize(img, sz, zoom, level), img.GetSize());
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}
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Size GetScaledSize(Image& img, const Size& sz, double zoom, int level)
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{
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if (!level) return sz;
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double scale = min((double)sz.cx / img.GetSize().cx, (double)sz.cy / img.GetSize().cy);
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Size mapSize = img.GetSize() * scale;
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double ratio = (double)img.GetSize().cx / img.GetSize().cy;
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double w = (double)mapSize.cx;
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for (int i = 1; i < level; ++i)
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w *= zoom;
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if (w > img.GetSize().cx || w / ratio > img.GetSize().cy)
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return img.GetSize();
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return Size(fabs(w), fabs(w / ratio));
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}
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int GetScalesTotal(Image& img, const Size& sz, double zoom)
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{
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int totalCount = 0;
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Size check(0, 0);
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for(;;)
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{
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Size scaledSize = GetScaledSize(img, sz, zoom, totalCount + 1);
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bool found = false;
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if (check == Size(0, 0))
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check = scaledSize;
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else
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{
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if (check == scaledSize)
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found = true;
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else
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check = scaledSize;
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}
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if (found)
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break;
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totalCount++;
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}
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return totalCount;
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}
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int GetBlocksTotal(Image& img, const Size& sz, const Size& cellSize, double zoom)
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{
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int total = GetScalesTotal(img, sz, zoom);
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int count = 0;
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for (int i = 0; i < total - 1; ++i)
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{
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Image scaledMap = GetScaledMap(img, sz, zoom, i + 1);
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if (i < total - 1)
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CalcCount(scaledMap, cellSize.cx, cellSize.cy, count);
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if (i == total - 1)
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CalcCount(img, cellSize.cx, cellSize.cy, count);
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}
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return count;
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}
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