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MakeTiles: refactor: paving the way to allow multiple images per tile

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This commit is contained in:
Jason Long 2014-06-19 13:27:49 -04:00
parent d5dbd8dc64
commit de82160792
1 changed files with 44 additions and 11 deletions
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55
src/micropolisj/build_tool/MakeTiles.java
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@ -46,6 +46,18 @@ public class MakeTiles
generateFromRecipe(recipeFile, outputDir); generateFromRecipe(recipeFile, outputDir);
} }
static class TileMapping {
String tileName;
TileImage ref;
TileImage dest;
TileMapping(String tileName, TileImage ref, TileImage dest) {
this.tileName = tileName;
this.ref = ref;
this.dest = dest;
}
}
static void generateFromRecipe(File recipeFile, File outputDir) static void generateFromRecipe(File recipeFile, File outputDir)
throws IOException throws IOException
{ {
@ -60,9 +72,9 @@ public class MakeTiles
String [] tileNames = generateTileNames(recipe); String [] tileNames = generateTileNames(recipe);
int ntiles = COUNT_TILES == -1 ? tileNames.length : COUNT_TILES; int ntiles = COUNT_TILES == -1 ? tileNames.length : COUNT_TILES;
// actually assemble the image // prepare mapping data
BufferedImage buf = new BufferedImage(TILE_SIZE,TILE_SIZE*ntiles,BufferedImage.TYPE_INT_RGB); int nextOffsetY = 0;
Graphics2D gr = buf.createGraphics(); ArrayList<TileMapping> mappings = new ArrayList<TileMapping>();
for (int i = 0; i < ntiles; i++) { for (int i = 0; i < ntiles; i++) {
int tileNumber = SKIP_TILES + i; int tileNumber = SKIP_TILES + i;
@ -81,7 +93,22 @@ public class MakeTiles
continue; continue;
} }
ref.drawTo(gr, 0, TILE_SIZE*i, 0, 0); TileImageSprite dest = new TileImageSprite();
dest.offsetY = nextOffsetY;
nextOffsetY += TILE_SIZE;
TileMapping m = new TileMapping(tileName, ref, dest);
mappings.add(m);
}
// actually assemble the image
BufferedImage buf = new BufferedImage(TILE_SIZE,nextOffsetY,BufferedImage.TYPE_INT_RGB);
Graphics2D gr = buf.createGraphics();
for (TileMapping m : mappings) {
TileImageSprite sprite = (TileImageSprite) m.dest;
m.ref.drawTo(gr, sprite.offsetX, sprite.offsetY, 0, 0);
} }
// make parent directories if necessary // make parent directories if necessary
@ -96,10 +123,10 @@ public class MakeTiles
// the composed tile array // the composed tile array
File indexFile = new File(outputDir, "tiles.idx"); File indexFile = new File(outputDir, "tiles.idx");
System.out.println("Generating tiles index: "+indexFile); System.out.println("Generating tiles index: "+indexFile);
writeIndexFile(tileNames, indexFile); writeIndexFile(mappings, indexFile);
} }
static void writeIndexFile(String [] tileNames, File indexFile) static void writeIndexFile(Collection<TileMapping> mappings, File indexFile)
throws IOException throws IOException
{ {
try { try {
@ -108,12 +135,18 @@ public class MakeTiles
XMLStreamWriter out = XMLOutputFactory.newInstance().createXMLStreamWriter(outStream, "UTF-8"); XMLStreamWriter out = XMLOutputFactory.newInstance().createXMLStreamWriter(outStream, "UTF-8");
out.writeStartDocument(); out.writeStartDocument();
out.writeStartElement("micropolis-tiles-index"); out.writeStartElement("micropolis-tiles-index");
for (int i = 0; i < tileNames.length; i++) { for (TileMapping m : mappings) {
out.writeStartElement("tile"); out.writeStartElement("tile");
out.writeAttribute("name", tileNames[i]); out.writeAttribute("name", m.tileName);
out.writeStartElement("image");
out.writeAttribute("offsetY", Integer.toString(i)); { //assume it is a simple sprite
out.writeEndElement();
TileImageSprite s = (TileImageSprite ) m.dest;
out.writeStartElement("image");
out.writeAttribute("offsetY", Integer.toString(s.offsetY / TILE_SIZE));
out.writeEndElement();
}
out.writeEndElement(); out.writeEndElement();
} }
out.writeEndElement(); out.writeEndElement();