Metasequoia.as

リビジョン 1906, 11.2 kB (コミッタ: nanmo, コミット時期: 3 年前)
Fix multiple Metasequoia file's texture loading

Line
1	/**
2	* Metasequoia.as
3	*
4	* @see http://snippets.libspark.org/
5	* @see http://www.libspark.org/wiki/nanmo/Metasequoia
6	*
7	* Copyright (c) 2008 nanmo
8	*
9	* Permission is hereby granted, free of charge, to any person obtaining a copy
10	* of this software and associated documentation files (the "Software"), to deal
11	* in the Software without restriction, including without limitation the rights
12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13	* copies of the Software, and to permit persons to whom the Software is
14	* furnished to do so, subject to the following conditions:
15	*
16	* The above copyright notice and this permission notice shall be included in
17	* all copies or substantial portions of the Software.
18	*
19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25	* THE SOFTWARE.
26	*/
27
28	/**
29	* History
30	* Make Metasequoia.as(original) by rch850
31	* in http://snippets.libspark.org/trac/wiki/rch850/Metasequoia
32	* Modify Metasequoia.as for Away3D by katopz@sleepydesign.com
33	* in http://sleepydesign.blogspot.com/2008/05/away3d-metasequoia-mqo.html
34	* Modify Metasequoia.as for Away3D v2.2 by nanmo
35	* in http://www.libspark.org/wiki/nanmo/Metasequoia
36	*/
37	package org.libspark.away3d
38	{
39	import away3d.containers.ObjectContainer3D;
40	import away3d.core.*;
41	import away3d.core.math.*;
42	import away3d.core.base.*
43	import away3d.core.base.*;
44	import away3d.loaders.utils.MaterialLibrary;
45	import away3d.materials.*;
46	import away3d.core.utils.*;
47	import away3d.core.stats.*;
48	import away3d.loaders.*;
49	import flash.utils.*;
50
51	public class Metasequoia extends AbstractParser {
52	use namespace arcane;
53	/** @private */
54	arcane var ini:Init;
55
56	public var charset:String = "shift_jis";
57
58	private var mesh:Mesh;
59	private var scaling:Number;
60
61	public var materialLibrary:MaterialLibrary;
62	private var _materialNames:Array;
63	private var _filename:String;
64
65	function Metasequoia (data:ByteArray, init:Object = null)
66	{
67	container = new ObjectContainer3D(ini);
68	container.name = "Metasequoia";
69
70	init = Init.parse(init);
71	_filename = init.getString("filename", "");
72	scaling = init.getNumber("scaling", 1)*100;
73
74	mesh = new Mesh(init);
75
76	parseMetasequoia(data);
77
78	container = mesh;
79	}
80	public static function parse(data:*, init:Object = null, loader:Object3DLoader = null):Mesh
81	{
82	return new Metasequoia(Cast.bytearray(data), init).mesh;
83	}
84	public static function load(url:String, init:Object = null):Object3DLoader
85	{
86	init.filename = url;
87	return Object3DLoader.loadGeometry(url, Metasequoia, true, init);
88	}
89
90	private function parseMetasequoia(data:ByteArray):void
91	{
92
93	var byteArray:ByteArray = ByteArray(data);
94	var plainText:String = byteArray.readMultiByte(byteArray.length, charset);
95
96	var lines:Array = plainText.split("\r\n");
97	var l:int = 0;
98
99	l = parseMaterialChunk(lines, 0);
100
101	while (l != -1) {
102	l = parseObjectChunk(lines, l);
103	}
104
105	mesh.type = ".Mqo";
106	}
107
108	private function getMaterialChunkLine(lines:Array, startLine:int = 0):int {
109	for (var i:uint = startLine; i < lines.length; ++i) {
110	if (lines[i].indexOf("Material") == 0) {
111	return int(i);
112	}
113	}
114	return -1;
115	}
116
117	private function parseMaterialChunk(lines:Array, startLine:int):int {
118	materialLibrary = new MaterialLibrary();
119	var l:int = getMaterialChunkLine(lines, startLine);
120	if (l == -1) {
121	return -1;
122	}
123
124	var line:String = lines[l];
125
126	var num:Number = parseInt(line.substr(9));
127	if (isNaN(num)) {
128	return -1;
129	}
130	++l;
131	_materialNames = new Array();
132
133	var endLine:int = l + int(num);
134
135	//Get Mqo file directory
136	var path:String = _filename.slice(0, _filename.lastIndexOf("/") + 1);
137
138	for (; l < endLine; ++l) {
139	var _material:ITriangleMaterial;
140	line = lines[l];
141
142	var nameBeginIndex:int = line.indexOf("\"");
143	var nameEndIndex:int = line.indexOf("\"", nameBeginIndex + 1);
144	var name:String = line.substring(nameBeginIndex + 1, nameEndIndex);
145	_materialNames.push(name);
146
147	var tex:String = getParam(line, "tex");
148
149	if (tex) {
150	tex = tex.substr(1, tex.length - 2);
151	_material = new BitmapFileMaterial(path + tex,{repeat:true});
152	} else {
153	var colorstr:String = getParam(line, "col");
154	if (colorstr != null) {
155	var color:Array = colorstr.match(/\d+\.\d+/g);
156	var r:int = parseFloat(color[0]) * 255;
157	var g:int = parseFloat(color[1]) * 255;
158	var b:int = parseFloat(color[2]) * 255;
159	var a:Number = parseFloat(color[3]);
160	_material = new ColorMaterial((r << 16) \| (g << 8) \| b,{alpha:a});
161	} else {
162	//_material = ITriangleMaterial.DEFAULT;
163	}
164	}
165
166	materialLibrary[name] = _material;
167
168	}
169
170	return endLine;
171	}
172
173	private function getObjectChunkLine(lines:Array, startLine:int = 0):int {
174	for (var i:uint = startLine; i < lines.length; ++i) {
175	if (lines[i].indexOf("Object") == 0) {
176	return int(i);
177	}
178	}
179	return -1;
180	}
181
182	private function parseObjectChunk(lines:Array, startLine:int):int {
183
184	var vertices:Array = [];
185	var faces:Array = [];
186
187	var l:int = getObjectChunkLine(lines, startLine);
188	if (l == -1) {
189	return -1;
190	}
191
192	var line:String = lines[l];
193
194	var objectName:String = line.substring(8, line.indexOf("\"", 8));
195	++l;
196
197	var vline:int = getChunkLine(lines, "vertex", l);
198	if (vline == -1) {
199	return -1;
200	}
201
202	var properties:Dictionary = new Dictionary();
203	for (; l < vline; ++l) {
204	line = lines[l];
205	var props:Array = RegExp(/^\s([\w]+)\s+(.)$/).exec(line);
206	properties[props[1]] = props[2];
207	}
208
209	line = lines[l];
210	l = vline + 1;
211
212	var numVertices:int = parseInt(line.substring(line.indexOf("vertex") + 7));
213	var vertexEndLine:int = l + numVertices;
214	var firstVertexIndex:int = vertices.length;
215
216	for (; l < vertexEndLine; ++l) {
217	line = lines[l];
218	var coords:Array = line.match(/(-?\d+\.\d+)/g);
219	var x:Number = parseFloat(coords[0]) * scaling;
220	var y:Number = parseFloat(coords[1]) * scaling;
221	var z:Number = -parseFloat(coords[2]) * scaling;
222	vertices.push(new Vertex(x,y,z));
223	}
224
225	l = getChunkLine(lines, "face", l);
226	if (l == -1) {
227	return -1;
228	}
229	line = lines[l++];
230
231	var numFaces:int = parseInt(line.substring(line.indexOf("face") + 5));
232	var faceEndLine:int = l + numFaces;
233
234	for (; l < faceEndLine; ++l) {
235	if (properties["visible"] == "15") {
236	parseFace(faces, lines[l], vertices, firstVertexIndex, properties);
237	}
238	}
239
240	return faceEndLine;
241	}
242
243	private function parseFace(faces:Array, line:String, vertices:Array, vertexOffset:int, properties:Dictionary):void {
244	var vstr:String = getParam(line, "V");
245	var mstr:String = getParam(line, "M");
246	var uvstr:String = getParam(line, "UV");
247
248	var v:Array = (vstr != null) ? vstr.match(/\d+/g) : [];
249	var uv:Array = (uvstr != null) ? uvstr.match(/-?\d+\.\d+/g) : [];
250	var a:Vertex;
251	var b:Vertex;
252	var c:Vertex;
253	var d:Vertex;
254	var _material:ITriangleMaterial;
255	var uvA:UV;
256	var uvB:UV;
257	var uvC:UV;
258	var uvD:UV;
259	var face:Face;
260
261	if (v.length == 3) {
262	c = vertices[parseInt(v[0]) + vertexOffset];
263	b = vertices[parseInt(v[1]) + vertexOffset];
264	a = vertices[parseInt(v[2]) + vertexOffset];
265
266	if (mstr != null) {
267	_material = materialLibrary[_materialNames[parseInt(mstr)]];
268	}
269
270	if (uv.length != 0) {
271	uvC = new UV(parseFloat(uv[0]), 1 - parseFloat(uv[1]));
272	uvB = new UV(parseFloat(uv[2]), 1 - parseFloat(uv[3]));
273	uvA = new UV(parseFloat(uv[4]), 1 - parseFloat(uv[5]));
274	face = new Face(a, b, c, _material, uvA, uvB, uvC);
275	} else {
276	face = new Face(a, b, c, _material, new UV(0, 0), new UV(1, 0), new UV(0, 1));
277	}
278	mesh.addFace(face);
279
280	if (properties["mirror"] == "1") {
281	var mirrorAxis:int = parseInt(properties["mirror_axis"]);
282	a = mirrorVertex(a, mirrorAxis);
283	b = mirrorVertex(b, mirrorAxis);
284	c = mirrorVertex(c, mirrorAxis);
285	vertices.push(a);
286	vertices.push(b);
287	vertices.push(c);
288	face = new Face( c, b, a, _material, uvC, uvB, uvA);
289	mesh.addFace(face);
290	}
291	} else if (v.length == 4) {
292	d = vertices[parseInt(v[0]) + vertexOffset];
293	c = vertices[parseInt(v[1]) + vertexOffset];
294	b = vertices[parseInt(v[2]) + vertexOffset];
295	a = vertices[parseInt(v[3]) + vertexOffset];
296
297	if (mstr != null) {
298	_material = materialLibrary[_materialNames[parseInt(mstr)]];
299	}
300
301	if (uv.length != 0) {
302	uvD = new UV(parseFloat(uv[0]), 1 - parseFloat(uv[1]));
303	uvC = new UV(parseFloat(uv[2]), 1 - parseFloat(uv[3]));
304	uvB = new UV(parseFloat(uv[4]), 1 - parseFloat(uv[5]));
305	uvA = new UV(parseFloat(uv[6]), 1 - parseFloat(uv[7]));
306	} else {
307	uvD = new UV(0, 0);
308	uvC = new UV(1, 0);
309	uvB = new UV(0, 1);
310	uvA = new UV(1, 1);
311	}
312	face = new Face(a, b, c, _material, uvA, uvB, uvC);
313	mesh.addFace(face);
314	face = new Face(c, d, a, _material, uvC, uvD, uvA);
315	mesh.addFace(face);
316
317	if (properties["mirror"] == "1") {
318	mirrorAxis = parseInt(properties["mirror_axis"]);
319	a = mirrorVertex(a, mirrorAxis);
320	b = mirrorVertex(b, mirrorAxis);
321	c = mirrorVertex(c, mirrorAxis);
322	d = mirrorVertex(d, mirrorAxis);
323	vertices.push(a);
324	vertices.push(b);
325	vertices.push(c);
326	vertices.push(d);
327	face = new Face(c, b, a, _material, uvC, uvB, uvA);
328	mesh.addFace(face);
329	face = new Face(a, d, c, _material, uvA, uvD, uvC);
330	mesh.addFace(face);
331	}
332	}
333	}
334
335	private static function mirrorVertex(v:Vertex, axis:int):Vertex {
336	return new Vertex(
337	((axis & 1) != 0) ? -v.x : v.x,
338	((axis & 2) != 0) ? -v.y : v.y,
339	((axis & 4) != 0) ? -v.z : v.z);
340	}
341
342	private static function getChunkLine(lines:Array, chunkName:String, startLine:int = 0):int {
343	for (var i:uint = startLine; i < lines.length; ++i) {
344	if (lines[i].indexOf(chunkName) != -1) {
345	return int(i);
346	}
347	}
348	return -1;
349	}
350
351	private static function getParam(line:String, paramName:String):String {
352	var prefix:String = paramName + "(";
353	var prefixLen:int = prefix.length;
354
355	var begin:int = line.indexOf(prefix, 0);
356	if (begin == -1) {
357	return null;
358	}
359	var end:int = line.indexOf(")", begin + prefixLen);
360	if (end == -1){
361	return null;
362	}
363	return line.substring(begin + prefixLen, end);
364	}
365	}
366	}

Note: リポジトリブラウザについてのヘルプは TracBrowser を参照してください。

異なるフォーマットでダウンロード:

Original Format

Spark project

root/as3/Metasequoia/src/org/libspark/away3d/Metasequoia.as

異なるフォーマットでダウンロード: