conworlds: 5f53272ff612 src/xform

conworlds

view src/xform_node.cc @ 22:5f53272ff612

removed the vr wrapper and added an external dependency to libgoatvr

author	John Tsiombikas <nuclear@member.fsf.org>
date	Fri, 29 Aug 2014 07:44:26 +0300
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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 static inline anm_interpolator track_interpolator(Interp in);

8 static inline anm_extrapolator track_extrapolator(Extrap ex);

10 XFormNode::XFormNode()

11 {

12 anm = new anm_node;

13 anm_init_node(anm);

14 parent = 0;

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

17 interp = INTERP_LINEAR;

18 extrap = EXTRAP_EXTEND;

19 }

21 XFormNode::~XFormNode()

22 {

23 anm_destroy_node(anm);

24 delete anm;

25 }

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

28 {

29 anm_set_node_name(anm, name);

30 }

32 const char *XFormNode::get_name() const

33 {

34 return anm_get_node_name(anm);

35 }

37 void XFormNode::set_interpolator(Interp in)

38 {

39 anm_set_interpolator(anm, track_interpolator(in));

40 interp = in;

41 }

43 Interp XFormNode::get_interpolator() const

44 {

45 return interp;

46 }

48 void XFormNode::set_extrapolator(Extrap ex)

49 {

50 anm_set_extrapolator(anm, track_extrapolator(ex));

51 extrap = ex;

52 }

54 Extrap XFormNode::get_extrapolator() const

55 {

56 return extrap;

57 }

59 XFormNode *XFormNode::get_parent()

60 {

61 return parent;

62 }

64 const XFormNode *XFormNode::get_parent() const

65 {

66 return parent;

67 }

69 void XFormNode::add_child(XFormNode *child)

70 {

71 children.push_back(child);

72 anm_link_node(anm, child->anm);

73 child->parent = this;

74 }

76 void XFormNode::remove_child(XFormNode *child)

77 {

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

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

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

81 children.erase(it);

82 anm_unlink_node(anm, child->anm);

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

85 child->parent = 0;

86 }

87 }

88 }

90 int XFormNode::get_children_count() const

91 {

92 return (int)children.size();

93 }

95 XFormNode *XFormNode::get_child(int idx)

96 {

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

98 return children[idx];

99 }

100 return 0;

101 }

102

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

104 {

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

106 return children[idx];

107 }

108 return 0;

109 }

110

111

112 void XFormNode::use_animation(int idx)

113 {

114 if(idx >= 0) {

115 anm_use_animation(anm, idx);

116 }

117 }

118

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

120 {

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

122 }

123

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

125 {

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

127 }

128

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

130 {

131 int aidx = anm_find_animation(anm, aname);

132 int bidx = anm_find_animation(anm, bname);

133

134 if(aidx == -1) {

135 use_animation(bidx);

136 }

137 if(bidx == -1) {

138 use_animation(aidx);

139 }

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

141 }

142

143 int XFormNode::get_active_animation_index(int which) const

144 {

145 return anm_get_active_animation_index(anm, which);

146 }

147

148 float XFormNode::get_active_animation_mix() const

149 {

150 return anm_get_active_animation_mix(anm);

151 }

152

153 int XFormNode::get_animation_count() const

154 {

155 return anm_get_animation_count(anm);

156 }

157

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

159 {

160 int idx = get_animation_count();

161

162 anm_add_animation(anm);

163 use_animation(idx);

164

165 if(name) {

166 set_animation_name(name);

167 }

168 }

169

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

171 {

172 anm_set_active_animation_name(anm, name);

173 }

174

175 const char *XFormNode::get_animation_name() const

176 {

177 return anm_get_active_animation_name(anm);

178 }

179

180

181

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

183 {

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

185 }

186

187 Vector3 XFormNode::get_node_position(long tmsec) const

188 {

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

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

191 }

192

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

194 {

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

196 }

197

198 Quaternion XFormNode::get_node_rotation(long tmsec) const

199 {

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

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

202 }

203

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

205 {

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

207 }

208

209 Vector3 XFormNode::get_node_scaling(long tmsec) const

210 {

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

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

213 }

214

215 // these take hierarchy into account

216 Vector3 XFormNode::get_position(long tmsec) const

217 {

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

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

220 }

221

222 Quaternion XFormNode::get_rotation(long tmsec) const

223 {

224 quat_t q = anm_get_rotation(anm, tmsec);

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

226 }

227

228 Vector3 XFormNode::get_scaling(long tmsec) const

229 {

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

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

232 }

233

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

235 {

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

237 }

238

239 Vector3 XFormNode::get_pivot() const

240 {

241 vec3_t p = anm_get_pivot(anm);

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

243 }

244

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

246 {

247 local_matrix = mat;

248 }

249

250 const Matrix4x4 &XFormNode::get_local_matrix() const

251 {

252 return local_matrix;

253 }

254

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

256 {

257 bone_matrix = bmat;

258 }

259

260 const Matrix4x4 &XFormNode::get_bone_matrix() const

261 {

262 return bone_matrix;

263 }

264

265 #define FOO

266

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

268 {

269 anm_time_t tm = ANM_MSEC2TM(tmsec);

270

271 if(mat) {

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

273 #ifdef FOO

274 *mat = local_matrix * *mat;

275 #else

276 *mat = *mat * local_matrix;

277 #endif

278 }

279 if(inv_mat) {

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

281 }

282 }

283

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

285 {

286 anm_time_t tm = ANM_MSEC2TM(tmsec);

287

288 if(mat) {

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

290 #ifdef FOO

291 *mat = local_matrix * *mat;

292 #else

293 *mat = *mat * local_matrix;

294 #endif

295 }

296 if(inv_mat) {

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

298 }

299 }

300

301

302 // ---- Track ----

303

304 Track::Track()

305 {

306 trk = new anm_track;

307 anm_init_track(trk);

308 }

309

310 Track::~Track()

311 {

312 anm_destroy_track(trk);

313 delete trk;

314 }

315

316 Track::Track(const Track &rhs)

317 {

318 trk = new anm_track;

319 anm_init_track(trk);

320 anm_copy_track(trk, rhs.trk);

321 interp = rhs.interp;

322 extrap = rhs.extrap;

323 }

324

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

326 {

327 if(&rhs == this) {

328 return *this;

329 }

330

331 anm_copy_track(trk, rhs.trk);

332 interp = rhs.interp;

333 extrap = rhs.extrap;

334 return *this;

335 }

336

337

338 void Track::set_interpolator(Interp in)

339 {

340 anm_set_track_interpolator(trk, track_interpolator(in));

341 interp = in;

342 }

343

344 Interp Track::get_interpolator() const

345 {

346 return interp;

347 }

348

349 void Track::set_extrapolator(Extrap ex)

350 {

351 anm_set_track_extrapolator(trk, track_extrapolator(ex));

352 extrap = ex;

353 }

354

355 Extrap Track::get_extrapolator() const

356 {

357 return extrap;

358 }

359

360 void Track::set_default(double def)

361 {

362 anm_set_track_default(trk, def);

363 }

364

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

366 {

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

368 }

369

370 float Track::get_value(long tmsec) const

371 {

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

373 }

374

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

376 {

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

378 }

379

380

381 // ---- Track3 ----

382

383 void Track3::set_interpolator(Interp in)

384 {

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

386 track[i].set_interpolator(in);

387 }

388 }

389

390 Interp Track3::get_interpolator() const

391 {

392 return track[0].get_interpolator();

393 }

394

395 void Track3::set_extrapolator(Extrap ex)

396 {

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

398 track[i].set_extrapolator(ex);

399 }

400 }

401

402 Extrap Track3::get_extrapolator() const

403 {

404 return track[0].get_extrapolator();

405 }

406

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

408 {

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

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

411 }

412 }

413

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

415 {

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

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

418 }

419 }

420

421 Vector3 Track3::get_value(long tmsec) const

422 {

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

424 }

425

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

427 {

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

429 }

430

431

432 static inline anm_interpolator track_interpolator(Interp in)

433 {

434 switch(in) {

435 case INTERP_STEP:

436 return ANM_INTERP_STEP;

437 case INTERP_LINEAR:

438 return ANM_INTERP_LINEAR;

439 case INTERP_CUBIC:

440 return ANM_INTERP_CUBIC;

441 }

442

443 assert(0);

444 return ANM_INTERP_STEP;

445 }

446

447 static inline anm_extrapolator track_extrapolator(Extrap ex)

448 {

449 switch(ex) {

450 case EXTRAP_EXTEND:

451 return ANM_EXTRAP_EXTEND;

452 case EXTRAP_CLAMP:

453 return ANM_EXTRAP_CLAMP;

454 case EXTRAP_REPEAT:

455 return ANM_EXTRAP_REPEAT;

456 }

457

458 assert(0);

459 return ANM_EXTRAP_EXTEND;

460 }

461