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IALoader respects the emulator_ext metadata property when finding fil…

…es for DosBox items

Also, clean up the various get_foo_files functions by factoring out
some common elements. Fixes #29.
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db48x committed Feb 15, 2018
1 parent 94035eb commit 25e8ae806865bd2b7bc51b60cd4c3325b6f42ef9
Showing with 86 additions and 90 deletions.
  1. +1 −0 example_ia.html
  2. +85 −90 loader.js
@@ -13,6 +13,7 @@
"Pitfall_Activision_1982");
emulator.setScale(3);
emulator.start({ waitAfterDownloading: true });
// some other items to try are FigurePic_1020, arcade_mrdo, Wolfenstein_3d, and mac_DarkCastle_1_2
</script>
</body>
</html>
175 loader.js
@@ -227,37 +227,35 @@ var Module = null;
return get_js_url(filename);
}
function get_dosbox_files(cfgr, emulator, modulecfg, filelist) {
// first get the urls
var urls = [], files = [];
var len = metadata.documentElement.childNodes.length, i;
for (i = 0; i < len; i++) {
var node = metadata.documentElement.childNodes[i];
var m = node.nodeName.match(/^dosbox_drive_[a-zA-Z]$/);
if (m) {
urls.push(node);
}
}
// and a count, then fetch them in
var len = urls.length;
for (i = 0; i < len; i++) {
var node = urls[i],
drive = node.nodeName.split('_')[2],
title = 'Game File ('+ (i+1) +' of '+ (game ? len+1 : len) +')',
filename = node.textContent,
url = (filename.includes("/")) ? get_zip_url(filename)
: get_zip_url(filename, get_item_name(game));
files.push(cfgr.mountZip(drive, cfgr.fetchFile(title, url)));
function get_dosbox_files(cfgr, metadata, modulecfg, filelist) {
var default_drive = "c", // pick any drive letter as a default
drives = {}, files = [],
meta = dict_from_xml(metadata);
if (game && game.endsWith(".zip")) {
drives[default_drive] = game;
}
if (game) {
var drive = 'c',
title = 'Game File ('+ (i+1) +' of '+ (game ? len+1 : len) +')',
url = get_zip_url(game);
files.push(cfgr.mountZip(drive, cfgr.fetchFile(title, url)));
}
files_with_ext_from_filelist(filelist, meta.emulator_ext).forEach(function (file, i) {
drives[default_drive] = file.name;
});
meta_props_matching(meta, /^dosbox_drive_([a-zA-Z])$/).forEach(function (result) {
let key = result[0], match = result[1];
drives[match[1]] = meta[key];
});
var mounts = Object.keys(drives),
len = mounts.length;
mounts.forEach(function (drive, i) {
var title = "Game File ("+ (i+1) +" of "+ len +")",
filename = drives[drive],
url = (filename.includes("/")) ? get_zip_url(filename)
: get_zip_url(filename, get_item_name(game));
if (filename.toLowerCase().endsWith(".zip")) {
files.push(cfgr.mountZip(drive,
cfgr.fetchFile(title, url)));
} else {
files.push(cfgr.mountFile('/'+ filename,
cfgr.fetchFile(title, url)));
}
});
return files;
}
@@ -276,31 +274,17 @@ var Module = null;
var meta = dict_from_xml(metadata),
peripherals = {},
game_files_counter = {};
list_from_xml(filelist).filter(function (node) {
return "getAttribute" in node;
})
.map(function (node) {
var file = dict_from_xml(node);
file.name = node.getAttribute("name");
return file;
})
.filter(function (file) {
return file.name.endsWith("." + meta.emulator_ext);
})
.forEach(function (file, i) {
game_files_counter[file.name] = 1;
if (modulecfg.peripherals && modulecfg.peripherals[i]) {
peripherals[modulecfg.peripherals[i]] = file.name;
}
});
Object.keys(meta).filter(function (k) {
return k.startsWith("mame_peripheral_");
})
.forEach(function (k) {
var periph = k.match(/^mame_peripheral_([a-zA-Z0-9]+)$/)[1];
peripherals[periph] = meta[k];
game_files_counter[meta[k]] = 1;
});
files_with_ext_from_filelist(filelist, meta.emulator_ext).forEach(function (file, i) {
game_files_counter[file.name] = 1;
if (modulecfg.peripherals && modulecfg.peripherals[i]) {
peripherals[modulecfg.peripherals[i]] = file.name;
}
});
meta_props_matching(meta, /^mame_peripheral_([a-zA-Z0-9]+)$/).forEach(function (result) {
let key = result[0], match = result[1];
peripherals[match[1]] = meta[key];
game_files_counter[meta[key]] = 1;
});
var game_files = Object.keys(game_files_counter),
len = game_files.length;
@@ -334,18 +318,8 @@ var Module = null;
}
});
var ext = dict_from_xml(metadata).emulator_ext;
var game_files = list_from_xml(filelist).map(function (node) {
if ("getAttribute" in node) {
var file = dict_from_xml(node);
file.name = node.getAttribute("name");
return file;
}
return null;
})
.filter(function (file) {
return file && file.name.endsWith("." + ext);
});
var meta = dict_from_xml(metadata),
game_files = files_with_ext_from_filelist(filelist, meta.emulator_ext);
game_files.forEach(function (file, i) {
if (file) {
var title = "Game File ("+ (i+1) +" of "+ game_files.length +")",
@@ -377,29 +351,15 @@ var Module = null;
var meta = dict_from_xml(metadata),
game_files_counter = {};
list_from_xml(filelist).filter(function (node) {
return "getAttribute" in node;
})
.map(function (node) {
var file = dict_from_xml(node);
file.name = node.getAttribute("name");
return file;
})
.filter(function (file) {
return file.name.endsWith("." + meta.emulator_ext);
})
.forEach(function (file, i) {
if (modulecfg.peripherals && modulecfg.peripherals[i]) {
game_files_counter[file.name] = modulecfg.peripherals[i];
}
});
Object.keys(meta).filter(function (k) {
return k.startsWith("pce_drive_");
})
.forEach(function (k) {
var periph = k.match(/^pce_drive_([a-zA-Z0-9]+)$/)[1];
game_files_counter[meta[k]] = periph;
});
files_with_ext_from_filelist(filelist, meta.emulator_ext).forEach(function (file, i) {
if (modulecfg.peripherals && modulecfg.peripherals[i]) {
game_files_counter[file.name] = modulecfg.peripherals[i];
}
});
meta_props_matching(meta, /^pce_drive_([a-zA-Z0-9]+)$/).forEach(function (result) {
var key = result[0], periph = result[1][1];
game_files_counter[meta[key]] = periph;
});
var game_files = Object.keys(game_files_counter),
len = game_files.length;
@@ -1601,6 +1561,41 @@ var Module = null;
return Array.prototype.slice.call(xml.childNodes);
}
function files_from_filelist(xml) {
return list_from_xml(xml).filter(function (node) {
return "getAttribute" in node;
})
.map(function (node) {
var file = dict_from_xml(node);
file.name = node.getAttribute("name");
return file;
});
}
function files_with_ext_from_filelist(xml, ext) {
if (!ext.startsWith('.')) {
ext = '.'+ ext;
}
ext = ext.toLowerCase();
return files_from_filelist(xml).filter(function (file) {
return file.name.toLowerCase().endsWith(ext);
});
}
function meta_props_matching(meta, regex) {
if (typeof regex == "string")
regex = RegExp(regex);
return Object.keys(meta).map(function (k) {
let match = regex.exec(k);
if (match)
return [k, match];
return null;
})
.filter(function (result) {
return !!result;
});
}
function _SDL_CreateRGBSurfaceFrom(pixels, width, height, depth, pitch, rmask, gmask, bmask, amask) {
// TODO: Actually fill pixel data to created surface.
// TODO: Take into account depth and pitch parameters.

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