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comparison Renderer/test_render/SceneGraphRoot.cpp @ 283:55ea4465b1a2

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fix test_render
author e065746@localhost.localdomain
date Fri, 05 Jun 2009 16:49:12 +0900
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282:ef061be0baff 283:55ea4465b1a2
1 #include <SDL.h>
2 #include <SDL_image.h>
3 #include <libxml/parser.h>
4 #include "SceneGraphRoot.h"
5 #include "xml.h"
6 #include "sys.h"
7 #include "TextureHash.h"
8 #include "texture.h"
9 #include "SGList.h"
10
11 int cnt = 0;
12
13 SceneGraphRoot::SceneGraphRoot(float w, float h)
14 {
15 sg_src = new SceneGraphPtr[SGLIST_LENGTH];
16 camera = new Camera(w, h);
17 iterator = new SceneGraphIterator;
18 controller = create_controller();
19
20 sg_exec_tree = NULL;
21 sg_draw_tree = NULL;
22 sg_available_list = NULL;
23 sg_remove_list = NULL;
24
25 // TODO
26 // 今はとりあえず camera を Root にしています
27 // 今はそれすらもしてません
28 //sg_exec_tree = camera;
29 }
30
31 SceneGraphRoot::~SceneGraphRoot(void)
32 {
33 SceneGraphPtr p = sg_available_list;
34
35 while (p) {
36 SceneGraphPtr tmp = p->next;
37 delete p;
38 p = tmp;
39 cnt--;
40 }
41
42 p = sg_remove_list;
43
44 while (p) {
45 SceneGraphPtr tmp = p->next;
46 delete p;
47 p = tmp;
48 cnt--;
49 }
50
51 delete [] sg_src;
52 delete camera;
53 delete iterator;
54 delete controller;
55 }
56
57 /**
58 * xml ファイルから生成された SceneGraph を sg_src に登録する。
59 *
60 * @param sg SceneGraph created by xmlfile
61 */
62 void
63 SceneGraphRoot::registSceneGraph(SceneGraphPtr sg)
64 {
65 for (int i = 0; i < SGLIST_LENGTH; i++) {
66 if (strcmp(sg->name, sglist_table[i]) == 0) {
67 sg->sgid = i;
68 sg_src[i] = sg;
69 return;
70 }
71 }
72
73 fprintf(stderr, "error: (%s:%3d) Can't find Scene \"%s\"\n",
74 __FUNCTION__, __LINE__, sg->name);
75 }
76
77 void
78 SceneGraphRoot::addNext(SceneGraphPtr sg)
79 {
80 SceneGraphPtr last = sg_available_list;
81
82 if (!last) {
83 sg_available_list = sg;
84 } else {
85 while (last->next) {
86 last = last->next;
87 }
88 last->next = sg;
89 sg->prev = last;
90 }
91
92 cnt++;
93 }
94
95 /* XMLファイルからポリゴンを作成 */
96 void
97 SceneGraphRoot::createFromXMLfile(const char *xmlfile)
98 {
99 xmlDocPtr doc;
100 xmlNodePtr cur;
101 SceneGraphPtr tmp;
102
103 /* パース DOM生成 */
104 doc = xmlParseFile(xmlfile);
105 cur = xmlDocGetRootElement(doc);
106
107 /* ?? */
108 xmlStrcmp(cur->name,(xmlChar*)"OBJECT-3D");
109
110 /* XMLのノードを一つずつ解析 */
111 for (cur=cur->children; cur; cur=cur->next) {
112 /* 扱うのはsurfaceオンリー */
113 if (xmlStrcmp(cur->name,(xmlChar*)"surface") != 0) {
114 continue;
115 }
116
117 /* ポリゴン(SceneGraph)生成 */
118 tmp = new SceneGraph(cur);
119
120 registSceneGraph(tmp);
121 }
122
123 xmlFreeDoc(doc);
124 }
125
126 SceneGraphPtr
127 SceneGraphRoot::createSceneGraph(int id)
128 {
129 SceneGraphPtr src;
130 SceneGraphPtr p;
131
132 if (id < 0 || id > SGLIST_LENGTH) {
133 return NULL;
134 }
135
136 /* オリジナルの SceneGraph */
137 src = sg_src[id];
138
139 /* ユーザーにはオリジナルの clone を返す */
140 p = src->clone();
141
142 addNext(p);
143
144 return p;
145 }
146
147 /**
148 * 何も表示しない、move,collision もしない SceneGraph を生成
149 * いずれ、Transform3D 的なものに回す予定
150 */
151 SceneGraphPtr
152 SceneGraphRoot::createSceneGraph(void)
153 {
154 SceneGraphPtr p = new SceneGraph;
155
156 addNext(p);
157 p->flag_drawable = 0;
158
159 return p;
160 }
161
162 void
163 SceneGraphRoot::allExecute(int screen_w, int screen_h)
164 {
165 SceneGraphPtr list = sg_available_list;
166 SceneGraphPtr t = sg_exec_tree;
167 SceneGraphPtr cur_parent = camera;
168
169 // 前フレームで描画した SceneGraph は削除
170 allRemove(sg_remove_list);
171
172 // 前フレームに作られた SceneGraph は描画用に移行
173 // 現フレームでの操作は以下の tree,list には適用されない
174 sg_draw_tree = sg_exec_tree;
175 sg_remove_list = sg_available_list;
176
177 // 現フレームで新しく SceneGraph がコピーされるので初期化
178 sg_exec_tree = NULL;
179 sg_available_list = NULL;
180
181 camera->move_execute(screen_w, screen_h);
182 camera->update(screen_w, screen_h);
183
184 camera->children = NULL;
185 camera->lastChild = NULL;
186
187 while (t) {
188 SceneGraphPtr c = t->clone();
189
190 addNext(c);
191 cur_parent->addChild(c);
192 c->frame = t->frame;
193
194 c->move_execute(screen_w, screen_h);
195 c->collision_check(screen_w, screen_h, list);
196
197 if (c->isRemoved()) {
198 sg_exec_tree = c->realRemoveFromTree(cur_parent);
199 sg_available_list = c->realRemoveFromList(sg_available_list);
200 delete c;
201 cnt--;
202 t->children = NULL;
203 t->parent = cur_parent;
204 } else {
205 c->frame++;
206 get_matrix(c->matrix, c->angle, c->xyz, c->parent->matrix);
207 }
208
209 if (t->children != NULL) {
210 cur_parent = c;
211 t = t->children;
212 } else if (t->brother != NULL) {
213 cur_parent = c->parent;
214 t = t->brother;
215 } else {
216 while (t) {
217 if (t->brother != NULL) {
218 cur_parent = t->parent;
219 t = t->brother;
220 break;
221 } else {
222 if (t->parent == NULL) {
223 t = NULL;
224 break;
225 } else {
226 t = t->parent;
227 }
228 }
229 }
230 }
231 }
232
233 // 現在、allExecute が終わった時点では
234 // camera->children が User SceneGraph の root になる
235 sg_exec_tree = camera->children;
236 }
237
238 void
239 SceneGraphRoot::allRemove(SceneGraphPtr list)
240 {
241 SceneGraphPtr p = list;
242
243 while (p) {
244 SceneGraphPtr p1 = p->next;
245 delete p;
246 p = p1;
247 cnt--;
248 }
249 }
250
251 void
252 SceneGraphRoot::checkRemove(void)
253 {
254 SceneGraphPtr p = sg_available_list;
255 SceneGraphPtr p1;
256
257 while (p) {
258 p1 = p->next;
259 if (p->isRemoved()) {
260 sg_exec_tree = p->realRemoveFromTree(sg_exec_tree);
261 sg_available_list = p->realRemoveFromList(sg_available_list);
262 }
263 delete p;
264 p = p1;
265 }
266 }
267
268 SceneGraphPtr
269 SceneGraphRoot::getExecuteSceneGraph(void)
270 {
271 return sg_exec_tree;
272 }
273
274 SceneGraphPtr
275 SceneGraphRoot::getDrawSceneGraph(void)
276 {
277 return sg_draw_tree;
278 }
279
280 void
281 SceneGraphRoot::updateControllerState(void)
282 {
283 controller->check();
284 }
285
286 void
287 SceneGraphRoot::setSceneData(SceneGraphPtr sg)
288 {
289 sg_exec_tree = sg;
290 }
291
292 Pad*
293 SceneGraphRoot::getController(void)
294 {
295 return controller;
296 }
297
298 SceneGraphIteratorPtr
299 SceneGraphRoot::getIterator(void)
300 {
301 iterator->set(sg_remove_list);
302 return iterator;
303 }
304
305 SceneGraphIteratorPtr
306 SceneGraphRoot::getIterator(SceneGraphPtr list)
307 {
308 iterator->set(list);
309 return iterator;
310 }
311
312 CameraPtr
313 SceneGraphRoot::getCamera(void)
314 {
315 return camera;
316 }