phillip/ingress-intel-total-conversion
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make IITC first try to use the TILES_PER_EDGE and ZOOM_TO_LEVEL values from the stock script - only falling back (with a warning) to our pre-defined list on error

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this way we automatically follow any changes to these made in the stock site, but have a fallback case in case the stock site renames the variables
This commit is contained in:
Jon Atkins 2014-03-11 02:29:21 +00:00
parent f9d2346d72
commit 4f6631d1f7
1 changed files with 22 additions and 6 deletions
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28
code/map_data_calc_tools.js
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@ -11,12 +11,28 @@
window.getMapZoomTileParameters = function(zoom) {
// these arrays/constants are based on those in the stock intel site. it's essential we keep them in sync with their code
// (it may be worth reading the values from their code rather than using our own copies? it's a case of either
// breaking if they rename their variables if we do, or breaking if they change the values if we don't)
var ZOOM_TO_TILES_PER_EDGE = [32, 32, 32, 32, 256, 256, 256, 1024, 1024, 1536, 4096, 4096, 16384, 16384, 16384];
var MAX_TILES_PER_EDGE = 65536;
var ZOOM_TO_LEVEL = [8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1];
// attempt to use the values from the stock site. this way, if they're changed, IITC should continue to work
// however, if Niantic rename things, it would fail, so we'll fall back to the current known values
var ZOOM_TO_TILES_PER_EDGE, MAX_TILES_PER_EDGE, ZOOM_TO_LEVEL;
try {
ZOOM_TO_TILES_PER_EDGE = nemesis.dashboard.mercator.Tile.ZOOM_TO_NUM_TILES_PER_EDGE_;
if (ZOOM_TO_TILES_PER_EDGE === undefined) throw('ZOOM_TO_TILES_PER_EDGE not found');
MAX_TILES_PER_EDGE = nemesis.dashboard.mercator.Tile.MAX_NUM_TILES_PER_EDGE_;
if (MAX_TILES_PER_EDGE === undefined) throw('MAX_TILES_PER_EDGE not found');
ZOOM_TO_LEVEL = nemesis.dashboard.zoomlevel.ZOOM_TO_LOD_;
if (ZOOM_TO_LEVEL === undefined) throw('ZOOM_TO_LEVEL not found');
} catch(e) {
console.warn(e);
// known correct as of 2014-03-11
ZOOM_TO_TILES_PER_EDGE = [32, 32, 32, 32, 256, 256, 256, 1024, 1024, 1536, 4096, 4096, 16384, 16384, 16384];
MAX_TILES_PER_EDGE = 65536;
ZOOM_TO_LEVEL = [8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1];
// for developers, let's stop in the debugger
debugger;
}
return {
level: ZOOM_TO_LEVEL[zoom] || 0, // default to level 0 (all portals) if not in array