JNIEXPORT jboolean JNICALL Java_Tilengine_SetTilesetPixels (JNIEnv* env, jobject thisobj, jint tileset, jint entry, jbyteArray srcdata, jint pitch)
{
jbyte* buffer;
jboolean retval;
buffer = (*env)->GetByteArrayElements (env, srcdata, NULL);
retval = TLN_SetTilesetPixels ((TLN_Tileset)tileset, entry, buffer, pitch);
(*env)->ReleaseByteArrayElements (env, srcdata, buffer, 0);
return retval;
}
/*!
* \brief
* Loads a tileset from a Tiled .tsx file
*
* \param filename
* TSX file to load
*
* \returns
* Reference to the newly loaded tileset or NULL if error
*
* \remarks
* An associated palette is also created, it can be obtained calling TLN_GetTilesetPalette()
*/
TLN_Tileset TLN_LoadTileset (char *filename)
{
SimpleXmlParser parser;
size_t size;
BYTE *data;
TLN_Tileset tileset;
TLN_Bitmap bitmap;
int htiles, vtiles;
int x,y,dx,dy;
int id;
int pitch;
/* load file */
data = LoadFile (filename, &size);
if (!data)
return NULL;
/* parse */
memset (&loader, 0, sizeof(loader));
parser = simpleXmlCreateParser (data, (long)size);
if (parser != NULL)
{
if (simpleXmlParse(parser, handler) != 0)
{
printf("parse error on line %li:\n%s\n",
simpleXmlGetLineNumber(parser), simpleXmlGetErrorDescription(parser));
free (data);
return NULL;
}
}
free (data);
/* check filename */
if (!loader.source[0])
return NULL;
/* load picture */
bitmap = TLN_LoadBitmap (loader.source);
if (!bitmap)
return NULL;
/* create tileset */
dx = loader.tilewidth + loader.spacing;
dy = loader.tileheight + loader.spacing;
htiles = (TLN_GetBitmapWidth(bitmap) - loader.margin*2 + loader.spacing) / dx;
vtiles = (TLN_GetBitmapHeight(bitmap) - loader.margin*2 + loader.spacing) / dy;
tileset = TLN_CreateTileset (htiles*vtiles, loader.tilewidth, loader.tileheight, TLN_ClonePalette(TLN_GetBitmapPalette(bitmap)));
pitch = TLN_GetBitmapPitch (bitmap);
/* load tiles */
for (id=1, y=0; y<vtiles; y++)
{
for (x=0; x<htiles; x++, id++)
{
BYTE *srcptr = TLN_GetBitmapPtr (bitmap, loader.margin + x*dx, loader.margin + y*dy);
TLN_SetTilesetPixels (tileset, id, srcptr, pitch);
}
}
TLN_DeleteBitmap (bitmap);
return tileset;
}
