goat3d: 498ca7ac7047 src/xform

goat3d

view src/xform_node.cc @ 47:498ca7ac7047

- placed all the implementation stuff in the g3dimpl namespace - added animation stuff to the public API - started writing animation saving/loading

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 28 Dec 2013 06:47:39 +0200
parents	0fe02696fb1e
children	9ef9de80649c

line source

1 #include <assert.h>

2 #include <algorithm>

3 #include "xform_node.h"

4 #include "anim/anim.h"

5 #include "anim/track.h"

7 using namespace g3dimpl;

9 static inline anm_interpolator track_interpolator(Interp in);

10 static inline anm_extrapolator track_extrapolator(Extrap ex);

12 XFormNode::XFormNode()

13 {

14 anm = new anm_node;

15 anm_init_node(anm);

16 parent = 0;

18 // TODO read them from anm to get the correct initial values

19 interp = INTERP_LINEAR;

20 extrap = EXTRAP_EXTEND;

21 }

23 XFormNode::~XFormNode()

24 {

25 anm_destroy_node(anm);

26 delete anm;

27 }

29 struct anm_node *XFormNode::get_libanim_node() const

30 {

31 return anm;

32 }

34 void XFormNode::set_name(const char *name)

35 {

36 anm_set_node_name(anm, name);

37 }

39 const char *XFormNode::get_name() const

40 {

41 return anm_get_node_name(anm);

42 }

44 void XFormNode::set_interpolator(Interp in)

45 {

46 anm_set_interpolator(anm, track_interpolator(in));

47 interp = in;

48 }

50 Interp XFormNode::get_interpolator() const

51 {

52 return interp;

53 }

55 void XFormNode::set_extrapolator(Extrap ex)

56 {

57 anm_set_extrapolator(anm, track_extrapolator(ex));

58 extrap = ex;

59 }

61 Extrap XFormNode::get_extrapolator() const

62 {

63 return extrap;

64 }

66 XFormNode *XFormNode::get_parent()

67 {

68 return parent;

69 }

71 const XFormNode *XFormNode::get_parent() const

72 {

73 return parent;

74 }

76 void XFormNode::add_child(XFormNode *child)

77 {

78 children.push_back(child);

79 anm_link_node(anm, child->anm);

80 child->parent = this;

81 }

83 void XFormNode::remove_child(XFormNode *child)

84 {

85 std::vector<XFormNode*>::iterator it;

86 it = std::find(children.begin(), children.end(), child);

87 if(it != children.end()) {

88 children.erase(it);

89 anm_unlink_node(anm, child->anm);

91 if(child->parent == this) {

92 child->parent = 0;

93 }

94 }

95 }

97 int XFormNode::get_children_count() const

98 {

99 return (int)children.size();

100 }

101

102 XFormNode *XFormNode::get_child(int idx)

103 {

104 if(idx >= 0 && idx < get_children_count()) {

105 return children[idx];

106 }

107 return 0;

108 }

109

110 const XFormNode *XFormNode::get_child(int idx) const

111 {

112 if(idx >= 0 && idx < get_children_count()) {

113 return children[idx];

114 }

115 return 0;

116 }

117

118

119 void XFormNode::use_animation(int idx)

120 {

121 if(idx >= 0) {

122 anm_use_animation(anm, idx);

123 }

124 }

125

126 void XFormNode::use_animation(const char *name)

127 {

128 anm_use_animation(anm, anm_find_animation(anm, name));

129 }

130

131 void XFormNode::use_animation(int aidx, int bidx, float t)

132 {

133 anm_use_animations(anm, aidx, bidx, t);

134 }

135

136 void XFormNode::use_animation(const char *aname, const char *bname, float t)

137 {

138 int aidx = anm_find_animation(anm, aname);

139 int bidx = anm_find_animation(anm, bname);

140

141 if(aidx == -1) {

142 use_animation(bidx);

143 }

144 if(bidx == -1) {

145 use_animation(aidx);

146 }

147 anm_use_animations(anm, aidx, bidx, t);

148 }

149

150 int XFormNode::get_active_animation_index(int which) const

151 {

152 return anm_get_active_animation_index(anm, which);

153 }

154

155 float XFormNode::get_active_animation_mix() const

156 {

157 return anm_get_active_animation_mix(anm);

158 }

159

160 int XFormNode::get_animation_count() const

161 {

162 return anm_get_animation_count(anm);

163 }

164

165 void XFormNode::add_animation(const char *name)

166 {

167 int idx = get_animation_count();

168

169 anm_add_animation(anm);

170 use_animation(idx);

171

172 if(name) {

173 set_animation_name(name);

174 }

175 }

176

177 void XFormNode::set_animation_name(const char *name)

178 {

179 anm_set_active_animation_name(anm, name);

180 }

181

182 const char *XFormNode::get_animation_name() const

183 {

184 return anm_get_active_animation_name(anm);

185 }

186

187

188

189 void XFormNode::set_position(const Vector3 &pos, long tmsec)

190 {

191 anm_set_position(anm, v3_cons(pos.x, pos.y, pos.z), ANM_MSEC2TM(tmsec));

192 }

193

194 Vector3 XFormNode::get_node_position(long tmsec) const

195 {

196 vec3_t p = anm_get_node_position(anm, ANM_MSEC2TM(tmsec));

197 return Vector3(p.x, p.y, p.z);

198 }

199

200 void XFormNode::set_rotation(const Quaternion &quat, long tmsec)

201 {

202 anm_set_rotation(anm, quat_cons(quat.s, quat.v.x, quat.v.y, quat.v.z), ANM_MSEC2TM(tmsec));

203 }

204

205 Quaternion XFormNode::get_node_rotation(long tmsec) const

206 {

207 quat_t q = anm_get_node_rotation(anm, ANM_MSEC2TM(tmsec));

208 return Quaternion(q.w, q.x, q.y, q.z);

209 }

210

211 void XFormNode::set_scaling(const Vector3 &pos, long tmsec)

212 {

213 anm_set_scaling(anm, v3_cons(pos.x, pos.y, pos.z), ANM_MSEC2TM(tmsec));

214 }

215

216 Vector3 XFormNode::get_node_scaling(long tmsec) const

217 {

218 vec3_t s = anm_get_node_scaling(anm, ANM_MSEC2TM(tmsec));

219 return Vector3(s.x, s.y, s.z);

220 }

221

222 // these take hierarchy into account

223 Vector3 XFormNode::get_position(long tmsec) const

224 {

225 vec3_t v = anm_get_position(anm, ANM_MSEC2TM(tmsec));

226 return Vector3(v.x, v.y, v.z);

227 }

228

229 Quaternion XFormNode::get_rotation(long tmsec) const

230 {

231 quat_t q = anm_get_rotation(anm, tmsec);

232 return Quaternion(q.w, q.x, q.y, q.z);

233 }

234

235 Vector3 XFormNode::get_scaling(long tmsec) const

236 {

237 vec3_t v = anm_get_scaling(anm, ANM_MSEC2TM(tmsec));

238 return Vector3(v.x, v.y, v.z);

239 }

240

241 void XFormNode::set_pivot(const Vector3 &pivot)

242 {

243 anm_set_pivot(anm, v3_cons(pivot.x, pivot.y, pivot.z));

244 }

245

246 Vector3 XFormNode::get_pivot() const

247 {

248 vec3_t p = anm_get_pivot(anm);

249 return Vector3(p.x, p.y, p.z);

250 }

251

252 void XFormNode::set_local_matrix(const Matrix4x4 &mat)

253 {

254 local_matrix = mat;

255 }

256

257 const Matrix4x4 &XFormNode::get_local_matrix() const

258 {

259 return local_matrix;

260 }

261

262 void XFormNode::set_bone_matrix(const Matrix4x4 &bmat)

263 {

264 bone_matrix = bmat;

265 }

266

267 const Matrix4x4 &XFormNode::get_bone_matrix() const

268 {

269 return bone_matrix;

270 }

271

272 #define FOO

273

274 void XFormNode::get_node_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat) const

275 {

276 anm_time_t tm = ANM_MSEC2TM(tmsec);

277

278 if(mat) {

279 anm_get_node_matrix(anm, (scalar_t(*)[4])mat, tm);

280 #ifdef FOO

281 *mat = local_matrix * *mat;

282 #else

283 *mat = *mat * local_matrix;

284 #endif

285 }

286 if(inv_mat) {

287 anm_get_inv_matrix(anm, (scalar_t(*)[4])inv_mat, tm);

288 }

289 }

290

291 void XFormNode::get_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat) const

292 {

293 anm_time_t tm = ANM_MSEC2TM(tmsec);

294

295 if(mat) {

296 anm_get_matrix(anm, (scalar_t(*)[4])mat, tm);

297 #ifdef FOO

298 *mat = local_matrix * *mat;

299 #else

300 *mat = *mat * local_matrix;

301 #endif

302 }

303 if(inv_mat) {

304 anm_get_inv_matrix(anm, (scalar_t(*)[4])inv_mat, tm);

305 }

306 }

307

308

309 // ---- Track ----

310

311 Track::Track()

312 {

313 trk = new anm_track;

314 anm_init_track(trk);

315 }

316

317 Track::~Track()

318 {

319 anm_destroy_track(trk);

320 delete trk;

321 }

322

323 Track::Track(const Track &rhs)

324 {

325 trk = new anm_track;

326 anm_init_track(trk);

327 anm_copy_track(trk, rhs.trk);

328 interp = rhs.interp;

329 extrap = rhs.extrap;

330 }

331

332 Track &Track::operator =(const Track &rhs)

333 {

334 if(&rhs == this) {

335 return *this;

336 }

337

338 anm_copy_track(trk, rhs.trk);

339 interp = rhs.interp;

340 extrap = rhs.extrap;

341 return *this;

342 }

343

344

345 void Track::set_interpolator(Interp in)

346 {

347 anm_set_track_interpolator(trk, track_interpolator(in));

348 interp = in;

349 }

350

351 Interp Track::get_interpolator() const

352 {

353 return interp;

354 }

355

356 void Track::set_extrapolator(Extrap ex)

357 {

358 anm_set_track_extrapolator(trk, track_extrapolator(ex));

359 extrap = ex;

360 }

361

362 Extrap Track::get_extrapolator() const

363 {

364 return extrap;

365 }

366

367 void Track::set_default(double def)

368 {

369 anm_set_track_default(trk, def);

370 }

371

372 void Track::set_value(float val, long tmsec)

373 {

374 anm_set_value(trk, ANM_MSEC2TM(tmsec), val);

375 }

376

377 float Track::get_value(long tmsec) const

378 {

379 return anm_get_value(trk, ANM_MSEC2TM(tmsec));

380 }

381

382 float Track::operator ()(long tmsec) const

383 {

384 return anm_get_value(trk, ANM_MSEC2TM(tmsec));

385 }

386

387

388 // ---- Track3 ----

389

390 void Track3::set_interpolator(Interp in)

391 {

392 for(int i=0; i<3; i++) {

393 track[i].set_interpolator(in);

394 }

395 }

396

397 Interp Track3::get_interpolator() const

398 {

399 return track[0].get_interpolator();

400 }

401

402 void Track3::set_extrapolator(Extrap ex)

403 {

404 for(int i=0; i<3; i++) {

405 track[i].set_extrapolator(ex);

406 }

407 }

408

409 Extrap Track3::get_extrapolator() const

410 {

411 return track[0].get_extrapolator();

412 }

413

414 void Track3::set_default(const Vector3 &def)

415 {

416 for(int i=0; i<3; i++) {

417 track[i].set_default(def[i]);

418 }

419 }

420

421 void Track3::set_value(const Vector3 &val, long tmsec)

422 {

423 for(int i=0; i<3; i++) {

424 track[i].set_value(val[i], tmsec);

425 }

426 }

427

428 Vector3 Track3::get_value(long tmsec) const

429 {

430 return Vector3(track[0](tmsec), track[1](tmsec), track[2](tmsec));

431 }

432

433 Vector3 Track3::operator ()(long tmsec) const

434 {

435 return Vector3(track[0](tmsec), track[1](tmsec), track[2](tmsec));

436 }

437

438

439 static inline anm_interpolator track_interpolator(Interp in)

440 {

441 switch(in) {

442 case INTERP_STEP:

443 return ANM_INTERP_STEP;

444 case INTERP_LINEAR:

445 return ANM_INTERP_LINEAR;

446 case INTERP_CUBIC:

447 return ANM_INTERP_CUBIC;

448 }

449

450 assert(0);

451 return ANM_INTERP_STEP;

452 }

453

454 static inline anm_extrapolator track_extrapolator(Extrap ex)

455 {

456 switch(ex) {

457 case EXTRAP_EXTEND:

458 return ANM_EXTRAP_EXTEND;

459 case EXTRAP_CLAMP:

460 return ANM_EXTRAP_CLAMP;

461 case EXTRAP_REPEAT:

462 return ANM_EXTRAP_REPEAT;

463 }

464

465 assert(0);

466 return ANM_EXTRAP_EXTEND;

467 }

468