goat3dgfx: 253542d715f4 src/xform

goat3dgfx

view src/xform_node.cc @ 33:253542d715f4

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author	John Tsiombikas <nuclear@member.fsf.org>
date	Sun, 02 Mar 2014 06:32:37 +0200
parents	7c593721547f
children

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 goatgfx;

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 void XFormNode::set_name(const char *name)

30 {

31 anm_set_node_name(anm, name);

32 }

34 const char *XFormNode::get_name() const

35 {

36 return anm_get_node_name(anm);

37 }

39 void XFormNode::set_interpolator(Interp in)

40 {

41 anm_set_interpolator(anm, track_interpolator(in));

42 interp = in;

43 }

45 Interp XFormNode::get_interpolator() const

46 {

47 return interp;

48 }

50 void XFormNode::set_extrapolator(Extrap ex)

51 {

52 anm_set_extrapolator(anm, track_extrapolator(ex));

53 extrap = ex;

54 }

56 Extrap XFormNode::get_extrapolator() const

57 {

58 return extrap;

59 }

61 XFormNode *XFormNode::get_parent()

62 {

63 return parent;

64 }

66 const XFormNode *XFormNode::get_parent() const

67 {

68 return parent;

69 }

71 void XFormNode::add_child(XFormNode *child)

72 {

73 children.push_back(child);

74 anm_link_node(anm, child->anm);

75 child->parent = this;

76 }

78 void XFormNode::remove_child(XFormNode *child)

79 {

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

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

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

83 children.erase(it);

84 anm_unlink_node(anm, child->anm);

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

87 child->parent = 0;

88 }

89 }

90 }

92 int XFormNode::get_children_count() const

93 {

94 return (int)children.size();

95 }

97 XFormNode *XFormNode::get_child(int idx)

98 {

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

100 return children[idx];

101 }

102 return 0;

103 }

104

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

106 {

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

108 return children[idx];

109 }

110 return 0;

111 }

112

113

114 void XFormNode::use_animation(int idx)

115 {

116 if(idx >= 0) {

117 anm_use_animation(anm, idx);

118 }

119 }

120

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

122 {

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

124 }

125

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

127 {

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

129 }

130

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

132 {

133 int aidx = anm_find_animation(anm, aname);

134 int bidx = anm_find_animation(anm, bname);

135

136 if(aidx == -1) {

137 use_animation(bidx);

138 }

139 if(bidx == -1) {

140 use_animation(aidx);

141 }

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

143 }

144

145 int XFormNode::get_active_animation_index(int which) const

146 {

147 return anm_get_active_animation_index(anm, which);

148 }

149

150 float XFormNode::get_active_animation_mix() const

151 {

152 return anm_get_active_animation_mix(anm);

153 }

154

155 int XFormNode::get_animation_count() const

156 {

157 return anm_get_animation_count(anm);

158 }

159

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

161 {

162 int idx = get_animation_count();

163

164 anm_add_animation(anm);

165 use_animation(idx);

166

167 if(name) {

168 set_animation_name(name);

169 }

170 }

171

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

173 {

174 anm_set_active_animation_name(anm, name);

175 }

176

177 const char *XFormNode::get_animation_name() const

178 {

179 return anm_get_active_animation_name(anm);

180 }

181

182

183

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

185 {

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

187 }

188

189 Vector3 XFormNode::get_node_position(long tmsec) const

190 {

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

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

193 }

194

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

196 {

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

198 }

199

200 Quaternion XFormNode::get_node_rotation(long tmsec) const

201 {

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

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

204 }

205

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

207 {

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

209 }

210

211 Vector3 XFormNode::get_node_scaling(long tmsec) const

212 {

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

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

215 }

216

217 // these take hierarchy into account

218 Vector3 XFormNode::get_position(long tmsec) const

219 {

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

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

222 }

223

224 Quaternion XFormNode::get_rotation(long tmsec) const

225 {

226 quat_t q = anm_get_rotation(anm, tmsec);

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

228 }

229

230 Vector3 XFormNode::get_scaling(long tmsec) const

231 {

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

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

234 }

235

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

237 {

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

239 }

240

241 Vector3 XFormNode::get_pivot() const

242 {

243 vec3_t p = anm_get_pivot(anm);

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

245 }

246

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

248 {

249 local_matrix = mat;

250 }

251

252 const Matrix4x4 &XFormNode::get_local_matrix() const

253 {

254 return local_matrix;

255 }

256

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

258 {

259 bone_matrix = bmat;

260 }

261

262 const Matrix4x4 &XFormNode::get_bone_matrix() const

263 {

264 return bone_matrix;

265 }

266

267 #define FOO

268

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

270 {

271 anm_time_t tm = ANM_MSEC2TM(tmsec);

272

273 if(mat) {

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

275 #ifdef FOO

276 *mat = local_matrix * *mat;

277 #else

278 *mat = *mat * local_matrix;

279 #endif

280 }

281 if(inv_mat) {

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

283 }

284 }

285

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

287 {

288 anm_time_t tm = ANM_MSEC2TM(tmsec);

289

290 if(mat) {

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

292 #ifdef FOO

293 *mat = local_matrix * *mat;

294 #else

295 *mat = *mat * local_matrix;

296 #endif

297 }

298 if(inv_mat) {

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

300 }

301 }

302

303

304 // ---- Track ----

305

306 Track::Track()

307 {

308 trk = new anm_track;

309 anm_init_track(trk);

310 }

311

312 Track::~Track()

313 {

314 anm_destroy_track(trk);

315 delete trk;

316 }

317

318 Track::Track(const Track &rhs)

319 {

320 trk = new anm_track;

321 anm_init_track(trk);

322 anm_copy_track(trk, rhs.trk);

323 interp = rhs.interp;

324 extrap = rhs.extrap;

325 }

326

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

328 {

329 if(&rhs == this) {

330 return *this;

331 }

332

333 anm_copy_track(trk, rhs.trk);

334 interp = rhs.interp;

335 extrap = rhs.extrap;

336 return *this;

337 }

338

339

340 void Track::set_interpolator(Interp in)

341 {

342 anm_set_track_interpolator(trk, track_interpolator(in));

343 interp = in;

344 }

345

346 Interp Track::get_interpolator() const

347 {

348 return interp;

349 }

350

351 void Track::set_extrapolator(Extrap ex)

352 {

353 anm_set_track_extrapolator(trk, track_extrapolator(ex));

354 extrap = ex;

355 }

356

357 Extrap Track::get_extrapolator() const

358 {

359 return extrap;

360 }

361

362 void Track::set_default(double def)

363 {

364 anm_set_track_default(trk, def);

365 }

366

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

368 {

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

370 }

371

372 float Track::get_value(long tmsec) const

373 {

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

375 }

376

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

378 {

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

380 }

381

382

383 // ---- Track3 ----

384

385 void Track3::set_interpolator(Interp in)

386 {

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

388 track[i].set_interpolator(in);

389 }

390 }

391

392 Interp Track3::get_interpolator() const

393 {

394 return track[0].get_interpolator();

395 }

396

397 void Track3::set_extrapolator(Extrap ex)

398 {

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

400 track[i].set_extrapolator(ex);

401 }

402 }

403

404 Extrap Track3::get_extrapolator() const

405 {

406 return track[0].get_extrapolator();

407 }

408

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

410 {

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

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

413 }

414 }

415

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

417 {

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

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

420 }

421 }

422

423 Vector3 Track3::get_value(long tmsec) const

424 {

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

426 }

427

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

429 {

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

431 }

432

433

434 static inline anm_interpolator track_interpolator(Interp in)

435 {

436 switch(in) {

437 case INTERP_STEP:

438 return ANM_INTERP_STEP;

439 case INTERP_LINEAR:

440 return ANM_INTERP_LINEAR;

441 case INTERP_CUBIC:

442 return ANM_INTERP_CUBIC;

443 }

444

445 assert(0);

446 return ANM_INTERP_STEP;

447 }

448

449 static inline anm_extrapolator track_extrapolator(Extrap ex)

450 {

451 switch(ex) {

452 case EXTRAP_EXTEND:

453 return ANM_EXTRAP_EXTEND;

454 case EXTRAP_CLAMP:

455 return ANM_EXTRAP_CLAMP;

456 case EXTRAP_REPEAT:

457 return ANM_EXTRAP_REPEAT;

458 }

459

460 assert(0);

461 return ANM_EXTRAP_EXTEND;

462 }

463