346 lines
11 KiB
JavaScript
346 lines
11 KiB
JavaScript
/*************************************************************************/
|
|
/* library_godot_eval.js */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
const GodotJSWrapper = {
|
|
|
|
$GodotJSWrapper__deps: ['$GodotRuntime', '$IDHandler'],
|
|
$GodotJSWrapper__postset: 'GodotJSWrapper.proxies = new Map();',
|
|
$GodotJSWrapper: {
|
|
proxies: null,
|
|
cb_ret: null,
|
|
|
|
MyProxy: function (val) {
|
|
const id = IDHandler.add(this);
|
|
GodotJSWrapper.proxies.set(val, id);
|
|
let refs = 1;
|
|
this.ref = function () {
|
|
refs++;
|
|
};
|
|
this.unref = function () {
|
|
refs--;
|
|
if (refs === 0) {
|
|
IDHandler.remove(id);
|
|
GodotJSWrapper.proxies.delete(val);
|
|
}
|
|
};
|
|
this.get_val = function () {
|
|
return val;
|
|
};
|
|
this.get_id = function () {
|
|
return id;
|
|
};
|
|
},
|
|
|
|
get_proxied: function (val) {
|
|
const id = GodotJSWrapper.proxies.get(val);
|
|
if (id === undefined) {
|
|
const proxy = new GodotJSWrapper.MyProxy(val);
|
|
return proxy.get_id();
|
|
}
|
|
IDHandler.get(id).ref();
|
|
return id;
|
|
},
|
|
|
|
get_proxied_value: function (id) {
|
|
const proxy = IDHandler.get(id);
|
|
if (proxy === undefined) {
|
|
return undefined;
|
|
}
|
|
return proxy.get_val();
|
|
},
|
|
|
|
variant2js: function (type, val) {
|
|
switch (type) {
|
|
case 0:
|
|
return null;
|
|
case 1:
|
|
return !!GodotRuntime.getHeapValue(val, 'i64');
|
|
case 2:
|
|
return GodotRuntime.getHeapValue(val, 'i64');
|
|
case 3:
|
|
return GodotRuntime.getHeapValue(val, 'double');
|
|
case 4:
|
|
return GodotRuntime.parseString(GodotRuntime.getHeapValue(val, '*'));
|
|
case 21: // OBJECT
|
|
return GodotJSWrapper.get_proxied_value(GodotRuntime.getHeapValue(val, 'i64'));
|
|
default:
|
|
return undefined;
|
|
}
|
|
},
|
|
|
|
js2variant: function (p_val, p_exchange) {
|
|
if (p_val === undefined || p_val === null) {
|
|
return 0; // NIL
|
|
}
|
|
const type = typeof (p_val);
|
|
if (type === 'boolean') {
|
|
GodotRuntime.setHeapValue(p_exchange, p_val, 'i64');
|
|
return 1; // BOOL
|
|
} else if (type === 'number') {
|
|
if (Number.isInteger(p_val)) {
|
|
GodotRuntime.setHeapValue(p_exchange, p_val, 'i64');
|
|
return 2; // INT
|
|
}
|
|
GodotRuntime.setHeapValue(p_exchange, p_val, 'double');
|
|
return 3; // REAL
|
|
} else if (type === 'string') {
|
|
const c_str = GodotRuntime.allocString(p_val);
|
|
GodotRuntime.setHeapValue(p_exchange, c_str, '*');
|
|
return 4; // STRING
|
|
}
|
|
const id = GodotJSWrapper.get_proxied(p_val);
|
|
GodotRuntime.setHeapValue(p_exchange, id, 'i64');
|
|
return 21;
|
|
},
|
|
},
|
|
|
|
godot_js_wrapper_interface_get__sig: 'ii',
|
|
godot_js_wrapper_interface_get: function (p_name) {
|
|
const name = GodotRuntime.parseString(p_name);
|
|
if (typeof (window[name]) !== 'undefined') {
|
|
return GodotJSWrapper.get_proxied(window[name]);
|
|
}
|
|
return 0;
|
|
},
|
|
|
|
godot_js_wrapper_object_get__sig: 'iiii',
|
|
godot_js_wrapper_object_get: function (p_id, p_exchange, p_prop) {
|
|
const obj = GodotJSWrapper.get_proxied_value(p_id);
|
|
if (obj === undefined) {
|
|
return 0;
|
|
}
|
|
if (p_prop) {
|
|
const prop = GodotRuntime.parseString(p_prop);
|
|
try {
|
|
return GodotJSWrapper.js2variant(obj[prop], p_exchange);
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error getting variable ${prop} on object`, obj);
|
|
return 0; // NIL
|
|
}
|
|
}
|
|
return GodotJSWrapper.js2variant(obj, p_exchange);
|
|
},
|
|
|
|
godot_js_wrapper_object_set__sig: 'viiii',
|
|
godot_js_wrapper_object_set: function (p_id, p_name, p_type, p_exchange) {
|
|
const obj = GodotJSWrapper.get_proxied_value(p_id);
|
|
if (obj === undefined) {
|
|
return;
|
|
}
|
|
const name = GodotRuntime.parseString(p_name);
|
|
try {
|
|
obj[name] = GodotJSWrapper.variant2js(p_type, p_exchange);
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error setting variable ${name} on object`, obj);
|
|
}
|
|
},
|
|
|
|
godot_js_wrapper_object_call__sig: 'iiiiiiiii',
|
|
godot_js_wrapper_object_call: function (p_id, p_method, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
|
|
const obj = GodotJSWrapper.get_proxied_value(p_id);
|
|
if (obj === undefined) {
|
|
return -1;
|
|
}
|
|
const method = GodotRuntime.parseString(p_method);
|
|
const convert = GodotRuntime.get_func(p_convert_callback);
|
|
const freeLock = GodotRuntime.get_func(p_free_lock_callback);
|
|
const args = new Array(p_argc);
|
|
for (let i = 0; i < p_argc; i++) {
|
|
const type = convert(p_args, i, p_exchange, p_lock);
|
|
const lock = GodotRuntime.getHeapValue(p_lock, '*');
|
|
args[i] = GodotJSWrapper.variant2js(type, p_exchange);
|
|
if (lock) {
|
|
freeLock(p_lock, type);
|
|
}
|
|
}
|
|
try {
|
|
const res = obj[method](...args);
|
|
return GodotJSWrapper.js2variant(res, p_exchange);
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error calling method ${method} on:`, obj, 'error:', e);
|
|
return -1;
|
|
}
|
|
},
|
|
|
|
godot_js_wrapper_object_unref__sig: 'vi',
|
|
godot_js_wrapper_object_unref: function (p_id) {
|
|
const proxy = IDHandler.get(p_id);
|
|
if (proxy !== undefined) {
|
|
proxy.unref();
|
|
}
|
|
},
|
|
|
|
godot_js_wrapper_create_cb__sig: 'iii',
|
|
godot_js_wrapper_create_cb: function (p_ref, p_func) {
|
|
const func = GodotRuntime.get_func(p_func);
|
|
let id = 0;
|
|
const cb = function () {
|
|
if (!GodotJSWrapper.get_proxied_value(id)) {
|
|
return undefined;
|
|
}
|
|
// The callback will store the returned value in this variable via
|
|
// "godot_js_wrapper_object_set_cb_ret" upon calling the user function.
|
|
// This is safe! JavaScript is single threaded (and using it in threads is not a good idea anyway).
|
|
GodotJSWrapper.cb_ret = null;
|
|
const args = Array.from(arguments);
|
|
func(p_ref, GodotJSWrapper.get_proxied(args), args.length);
|
|
const ret = GodotJSWrapper.cb_ret;
|
|
GodotJSWrapper.cb_ret = null;
|
|
return ret;
|
|
};
|
|
id = GodotJSWrapper.get_proxied(cb);
|
|
return id;
|
|
},
|
|
|
|
godot_js_wrapper_object_set_cb_ret__sig: 'vii',
|
|
godot_js_wrapper_object_set_cb_ret: function (p_val_type, p_val_ex) {
|
|
GodotJSWrapper.cb_ret = GodotJSWrapper.variant2js(p_val_type, p_val_ex);
|
|
},
|
|
|
|
godot_js_wrapper_object_getvar__sig: 'iiii',
|
|
godot_js_wrapper_object_getvar: function (p_id, p_type, p_exchange) {
|
|
const obj = GodotJSWrapper.get_proxied_value(p_id);
|
|
if (obj === undefined) {
|
|
return -1;
|
|
}
|
|
const prop = GodotJSWrapper.variant2js(p_type, p_exchange);
|
|
if (prop === undefined || prop === null) {
|
|
return -1;
|
|
}
|
|
try {
|
|
return GodotJSWrapper.js2variant(obj[prop], p_exchange);
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error getting variable ${prop} on object`, obj, e);
|
|
return -1;
|
|
}
|
|
},
|
|
|
|
godot_js_wrapper_object_setvar__sig: 'iiiiii',
|
|
godot_js_wrapper_object_setvar: function (p_id, p_key_type, p_key_ex, p_val_type, p_val_ex) {
|
|
const obj = GodotJSWrapper.get_proxied_value(p_id);
|
|
if (obj === undefined) {
|
|
return -1;
|
|
}
|
|
const key = GodotJSWrapper.variant2js(p_key_type, p_key_ex);
|
|
try {
|
|
obj[key] = GodotJSWrapper.variant2js(p_val_type, p_val_ex);
|
|
return 0;
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error setting variable ${key} on object`, obj);
|
|
return -1;
|
|
}
|
|
},
|
|
|
|
godot_js_wrapper_create_object__sig: 'iiiiiiii',
|
|
godot_js_wrapper_create_object: function (p_object, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
|
|
const name = GodotRuntime.parseString(p_object);
|
|
if (typeof (window[name]) === 'undefined') {
|
|
return -1;
|
|
}
|
|
const convert = GodotRuntime.get_func(p_convert_callback);
|
|
const freeLock = GodotRuntime.get_func(p_free_lock_callback);
|
|
const args = new Array(p_argc);
|
|
for (let i = 0; i < p_argc; i++) {
|
|
const type = convert(p_args, i, p_exchange, p_lock);
|
|
const lock = GodotRuntime.getHeapValue(p_lock, '*');
|
|
args[i] = GodotJSWrapper.variant2js(type, p_exchange);
|
|
if (lock) {
|
|
freeLock(p_lock, type);
|
|
}
|
|
}
|
|
try {
|
|
const res = new window[name](...args);
|
|
return GodotJSWrapper.js2variant(res, p_exchange);
|
|
} catch (e) {
|
|
GodotRuntime.error(`Error calling constructor ${name} with args:`, args, 'error:', e);
|
|
return -1;
|
|
}
|
|
},
|
|
};
|
|
|
|
autoAddDeps(GodotJSWrapper, '$GodotJSWrapper');
|
|
mergeInto(LibraryManager.library, GodotJSWrapper);
|
|
|
|
const GodotEval = {
|
|
godot_js_eval__deps: ['$GodotRuntime'],
|
|
godot_js_eval__sig: 'iiiiiii',
|
|
godot_js_eval: function (p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) {
|
|
const js_code = GodotRuntime.parseString(p_js);
|
|
let eval_ret = null;
|
|
try {
|
|
if (p_use_global_ctx) {
|
|
// indirect eval call grants global execution context
|
|
const global_eval = eval; // eslint-disable-line no-eval
|
|
eval_ret = global_eval(js_code);
|
|
} else {
|
|
eval_ret = eval(js_code); // eslint-disable-line no-eval
|
|
}
|
|
} catch (e) {
|
|
GodotRuntime.error(e);
|
|
}
|
|
|
|
switch (typeof eval_ret) {
|
|
case 'boolean':
|
|
GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'i32');
|
|
return 1; // BOOL
|
|
|
|
case 'number':
|
|
GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'double');
|
|
return 3; // REAL
|
|
|
|
case 'string':
|
|
GodotRuntime.setHeapValue(p_union_ptr, GodotRuntime.allocString(eval_ret), '*');
|
|
return 4; // STRING
|
|
|
|
case 'object':
|
|
if (eval_ret === null) {
|
|
break;
|
|
}
|
|
|
|
if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) {
|
|
eval_ret = new Uint8Array(eval_ret.buffer);
|
|
} else if (eval_ret instanceof ArrayBuffer) {
|
|
eval_ret = new Uint8Array(eval_ret);
|
|
}
|
|
if (eval_ret instanceof Uint8Array) {
|
|
const func = GodotRuntime.get_func(p_callback);
|
|
const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length);
|
|
HEAPU8.set(eval_ret, bytes_ptr);
|
|
return 20; // POOL_BYTE_ARRAY
|
|
}
|
|
break;
|
|
|
|
// no default
|
|
}
|
|
return 0; // NIL
|
|
},
|
|
};
|
|
|
|
mergeInto(LibraryManager.library, GodotEval);
|