absence_thelab: 1cffe3409164 src/3deng/objects.cpp

absence_thelab

view src/3deng/objects.cpp @ 0:1cffe3409164

initial commit

author	John Tsiombikas <nuclear@member.fsf.org>
date	Thu, 23 Oct 2014 01:46:07 +0300
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line source

1 #include "objects.h"

2 #include "3dengine.h"

3 #include "objectgen.h"

5 Object::Object(GraphicsContext *gc, byte DetailLevels) {

6 this->gc = gc;

8 mesh = new TriMesh(DetailLevels, gc);

10 SetShadingMode(GouraudShading);

11 SetVertexProgram(FixedFunction);

12 SetPixelProgram(0);

13 rendp.Billboarded = false;

14 rendp.SourceBlendFactor = BLEND_SRCALPHA;

15 rendp.DestBlendFactor = BLEND_INVSRCALPHA;

16 rendp.ZWrite = true;

17 ShadowCount = 0;

18 UseTextureMatrix = false;

20 ShadowVolumes = 0;

21 CastShadows = false;

23 AutoSetZWrite = true;

24 }

26 Object::~Object() {

27 delete mesh;

28 if(rendp.VertexProgram != FixedFunction) gc->DestroyVertexProgram(rendp.VertexProgram);

29 }

31 TriMesh *Object::GetTriMesh() {

32 return mesh;

33 }

36 // Reset Transformation Matrices

37 void Object::ResetTransform() {

38 TransMat.ResetIdentity();

39 RotMat.ResetIdentity();

40 GRotMat.ResetIdentity();

41 ScaleMat.ResetIdentity();

42 }

44 void Object::ResetTranslation() {

45 TransMat.ResetIdentity();

46 }

48 void Object::ResetRotation() {

49 RotMat.ResetIdentity();

50 }

52 void Object::ResetGlobalRotation() {

53 GRotMat.ResetIdentity();

54 }

56 void Object::ResetScaling() {

57 ScaleMat.ResetIdentity();

58 }

60 // Concatenate additional transformations

61 void Object::Translate(float tx, float ty, float tz) {

62 TransMat.Translate(tx, ty, tz);

63 }

65 void Object::Rotate(float rx, float ry, float rz) {

66 RotMat.Rotate(rx, ry, rz);

67 }

69 void Object::Rotate(const Vector3 &axis, float angle) {

70 RotMat.Rotate(axis, angle);

71 }

73 void Object::Rotate(const Matrix4x4 &rot) {

74 RotMat *= rot;

75 }

77 void Object::GlobalRotate(float rx, float ry, float rz) {

78 GRotMat.Rotate(rx, ry, rz);

79 }

81 void Object::GlobalRotate(const Vector3 &axis, float angle) {

82 GRotMat.Rotate(axis, angle);

83 }

85 void Object::GlobalRotate(const Matrix4x4 &rot) {

86 GRotMat *= rot;

87 }

89 void Object::Scale(float sx, float sy, float sz) {

90 ScaleMat.Scale(sx, sy, sz);

91 }

93 void Object::SetTranslation(float tx, float ty, float tz) {

94 TransMat.SetTranslation(tx, ty, tz);

95 }

97 void Object::SetRotation(float rx, float ry, float rz) {

98 RotMat.Rotate(rx, ry, rz);

99 }

100

101 void Object::SetRotation(const Vector3 &axis, float angle) {

102 RotMat.Rotate(axis, angle);

103 }

104

105 void Object::SetRotation(const Matrix4x4 &rot) {

106 RotMat = rot;

107 }

108

109 void Object::SetGlobalRotation(float rx, float ry, float rz) {

110 GRotMat.Rotate(rx, ry, rz);

111 }

112

113 void Object::SetGlobalRotation(const Vector3 &axis, float angle) {

114 GRotMat.Rotate(axis, angle);

115 }

116

117 void Object::SetGlobalRotation(const Matrix4x4 &rot) {

118 GRotMat = rot;

119 }

120

121 void Object::SetScaling(float sx, float sy, float sz) {

122 ScaleMat.Scale(sx, sy, sz);

123 }

124

125 const Matrix4x4 Object::GetWorldTransform() const {

126 return ScaleMat * RotMat * TransMat * GRotMat;

127 }

128

129 void Object::SetTextureMatrix(Matrix4x4 mat) {

130 UseTextureMatrix = true;

131 TextureMatrix = mat;

132 }

133

134 Matrix4x4 Object::GetTextureMatrix() const {

135 return TextureMatrix;

136 }

137

138 void Object::SetVertexProgram(dword VertexProgram) {

139 rendp.VertexProgram = VertexProgram;

140 }

141

142 void Object::SetPixelProgram(dword PixelProgram) {

143 rendp.PixelProgram = PixelProgram;

144 }

145

146 void Object::SetShadingMode(ShadeMode smode) {

147 rendp.Shading = smode;

148 }

149

150 void Object::SetWriteZBuffer(bool enable) {

151 rendp.ZWrite = enable;

152 AutoSetZWrite = false;

153 }

154

155 void Object::SetBlendFunc(BlendingFactor src, BlendingFactor dest) {

156 rendp.SourceBlendFactor = src;

157 rendp.DestBlendFactor = dest;

158 }

159

160 void Object::GetBlendFunc(BlendingFactor *src, BlendingFactor *dest) {

161 *src = rendp.SourceBlendFactor;

162 *dest = rendp.DestBlendFactor;

163 }

164

165 void Object::CalculateShadows(const Light **lights, int LightCount) {

166 if(ShadowVolumes) {

167 for(int i=0; i<ShadowCount; i++) {

168 delete ShadowVolumes[i];

169 }

170 delete ShadowVolumes;

171 }

172

173 ShadowVolumes = new TriMesh*[LightCount];

174 for(int i=0; i<LightCount; i++) {

175 ShadowVolumes[i] = CreateShadowVolume(*mesh, lights[i], GetWorldTransform());

176 }

177

178 ShadowCount = LightCount;

179 }

180

181 TriMesh *Object::GetShadowVolume(int light) {

182 if(light >= ShadowCount) return 0;

183 return ShadowVolumes[light];

184 }

185

186 void Object::SetShadowCasting(bool enable) {

187 CastShadows = enable;

188 }

189

190 bool Object::GetShadowCasting() const {

191 return CastShadows;

192 }

193

194 ///////////////////////////

195

196 void Object::SetRenderStates() {

197 gc->SetWorldMatrix(GetWorldTransform());

198

199 gc->SetMaterial(material);

200 if(AutoSetZWrite && material.Alpha < 0.991f) rendp.ZWrite = false;

201 gc->SetSpecular(material.SpecularEnable);

202

203 gc->SetVertexProgram(rendp.VertexProgram);

204 gc->SetPixelProgram(rendp.PixelProgram);

205 gc->SetShadingMode(rendp.Shading);

206 }

207

208 void Object::Render() {

209 int TexUnits = gc->GetTextureStageNumber();

210

211 if(TexUnits < 4) {

212 Render2TexUnits();

213 } else if(TexUnits < 8) {

214 Render4TexUnits();

215 } else {

216 Render8TexUnits();

217 }

218 }

219

220 void Object::Render2TexUnits() {

221

222 SetRenderStates();

223

224 VertexBuffer *vb = const_cast<VertexBuffer*>(mesh->GetVertexBuffer());

225 IndexBuffer *ib = const_cast<IndexBuffer*>(mesh->GetIndexBuffer());

226

227 Material mat = material;

228

229 int TexCount = 0;

230 for(int i=0; i<NumberOfTextureTypes; i++) {

231 if(mat.Maps[i]) TexCount++;

232 }

233

234 if(!rendp.ZWrite) gc->SetZWrite(false);

235

236 if(!TexCount) {

237 // render without any texture

238 gc->SetTexture(0, 0);

239 gc->SetTextureStageColor(0, TexBlendSelectArg1, TexArgDiffuseColor, TexArgTexture);

240 if(mat.Alpha < 1.0f) {

241 gc->SetTextureFactor(Color(mat.Alpha, mat.Alpha, mat.Alpha, mat.Alpha).GetPacked32());

242 gc->SetTextureStageAlpha(0, TexBlendSelectArg1, TexArgFactor, TexArgDiffuseColor);

243 } else {

244 gc->SetTextureStageAlpha(0, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

245 }

246 gc->DisableTextureStage(1);

247

248 gc->SetAlphaBlending(true);

249 gc->SetBlendFunc(rendp.SourceBlendFactor, rendp.DestBlendFactor);

250 gc->Draw(vb, ib);

251 gc->SetAlphaBlending(false);

252 } else {

253

254 ////////// pass 1 (texture & env) ///////////

255 int stage = 0;

256 if(mat.Maps[TextureMap]) {

257 if(UseTextureMatrix) gc->SetTextureMatrix(TextureMatrix, 0);

258 gc->SetTexture(stage, mat.Maps[TextureMap]);

259 gc->SetTextureStageColor(stage, TexBlendModulate, TexArgCurrent, TexArgTexture);

260 if(mat.Alpha < 1.0f) {

261 gc->SetTextureFactor(Color(mat.Alpha, mat.Alpha, mat.Alpha, mat.Alpha).GetPacked32());

262 gc->SetTextureStageAlpha(stage, TexBlendModulate, TexArgTexture, TexArgFactor);

263 } else {

264 gc->SetTextureStageAlpha(stage, TexBlendSelectArg2, TexArgCurrent, TexArgTexture);

265 }

266 gc->SetTextureCoordIndex(stage, 0);

267 stage++;

268 }

269

270 if(mat.Maps[EnvironmentMap]) {

271 gc->SetTexture(stage, mat.Maps[EnvironmentMap]);

272 gc->SetTextureStageColor(stage, TexBlendAdd, TexArgCurrent, TexArgTexture);

273 gc->SetTextureStageAlpha(stage, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

274 Matrix4x4 TexMat = Matrix4x4(0.5f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.5f, 0.5f, 0.0f, 1.0f);

275 gc->SetTextureMatrix(TexMat, stage);

276 gc->D3DDevice->SetTextureStageState(stage, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2);

277 gc->D3DDevice->SetTextureStageState(stage, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_CAMERASPACENORMAL);

278 stage++;

279 }

280

281 gc->SetTexture(stage, 0);

282 gc->DisableTextureStage(stage);

283

284 if(stage > 0) {

285 gc->SetAlphaBlending(true);

286 gc->SetBlendFunc(rendp.SourceBlendFactor, rendp.DestBlendFactor);

287 gc->Draw(vb, ib);

288 gc->SetAlphaBlending(false);

289

290 gc->SetTextureMatrix(Matrix4x4(), 0);

291 gc->SetTextureMatrix(Matrix4x4(), 1);

292 }

293

294 ////////// pass 2 (Bump & Lightmap) //////////

295 if(stage > 0) { // did a first pass

296 gc->SetAlphaBlending(true);

297 gc->SetBlendFunc(BLEND_DESTCOLOR, BLEND_ZERO); // mult blend

298 mat.Emissive = Color(1.0f); // do not recalculate lighting

299 }

300

301 stage = 0;

302 if(mat.Maps[LightMap]) {

303 gc->SetTexture(stage, mat.Maps[LightMap]);

304 gc->SetTextureStageColor(stage, TexBlendSelectArg2, TexArgCurrent, TexArgTexture);

305 gc->SetTextureStageAlpha(stage, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

306 gc->SetTextureCoordIndex(stage, 1);

307 stage++;

308 }

309

310 if(mat.Maps[BumpMap]) {

311 // re-implementation due

312 }

313

314 gc->SetTexture(stage, 0);

315 gc->DisableTextureStage(stage);

316

317 if(stage > 0) gc->Draw(vb, ib);

318

319 gc->SetAlphaBlending(false);

320 }

321

322 if(!rendp.ZWrite) gc->SetZWrite(true);

323 }

324

325

326 void Object::Render4TexUnits() {

327 SetRenderStates();

328

329 VertexBuffer *vb = const_cast<VertexBuffer*>(mesh->GetVertexBuffer());

330 IndexBuffer *ib = const_cast<IndexBuffer*>(mesh->GetIndexBuffer());

331

332 Material mat = material;

333

334 int TexCount = 0;

335 for(int i=0; i<NumberOfTextureTypes; i++) {

336 if(mat.Maps[i]) TexCount++;

337 }

338

339 if(!rendp.ZWrite) gc->SetZWrite(false);

340

341 if(!TexCount) {

342 // render without any texture

343 gc->SetTexture(0, 0);

344 gc->SetTextureStageColor(0, TexBlendSelectArg1, TexArgDiffuseColor, TexArgTexture);

345 if(mat.Alpha < 1.0f) {

346 gc->SetTextureFactor(Color(mat.Alpha, mat.Alpha, mat.Alpha, mat.Alpha).GetPacked32());

347 gc->SetTextureStageAlpha(0, TexBlendSelectArg1, TexArgFactor, TexArgDiffuseColor);

348 } else {

349 gc->SetTextureStageAlpha(0, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

350 }

351 gc->DisableTextureStage(1);

352

353 gc->SetAlphaBlending(true);

354 gc->SetBlendFunc(rendp.SourceBlendFactor, rendp.DestBlendFactor);

355 gc->Draw(vb, ib);

356 gc->SetAlphaBlending(false);

357 } else {

358

359 ////////// pass 1 (texture, detail, env, bump) ///////////

360 int stage = 0;

361 if(mat.Maps[TextureMap]) {

362 if(UseTextureMatrix) gc->SetTextureMatrix(TextureMatrix, 0);

363 gc->SetTexture(stage, mat.Maps[TextureMap]);

364 gc->SetTextureStageColor(stage, TexBlendModulate, TexArgCurrent, TexArgTexture);

365 if(mat.Alpha < 1.0f) {

366 gc->SetTextureFactor(Color(mat.Alpha, mat.Alpha, mat.Alpha, mat.Alpha).GetPacked32());

367 gc->SetTextureStageAlpha(stage, TexBlendModulate, TexArgTexture, TexArgFactor);

368 } else {

369 gc->SetTextureStageAlpha(stage, TexBlendSelectArg2, TexArgCurrent, TexArgTexture);

370 }

371 gc->SetTextureCoordIndex(stage, 0);

372 stage++;

373 }

374

375 if(mat.Maps[DetailMap]) {

376 gc->SetTexture(stage, mat.Maps[DetailMap]);

377 gc->SetTextureStageColor(stage, TexBlendAdd, TexArgCurrent, TexArgTexture);

378 gc->SetTextureStageAlpha(stage, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

379 gc->SetTextureCoordIndex(stage, 1);

380 stage++;

381 }

382

383 if(mat.Maps[EnvironmentMap]) {

384 gc->SetTexture(stage, mat.Maps[EnvironmentMap]);

385 gc->SetTextureStageColor(stage, TexBlendAdd, TexArgCurrent, TexArgTexture);

386 gc->SetTextureStageAlpha(stage, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

387 Matrix4x4 TexMat = Matrix4x4(0.5f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.5f, 0.5f, 0.0f, 1.0f);

388 gc->SetTextureMatrix(TexMat, stage);

389 gc->D3DDevice->SetTextureStageState(stage, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2);

390 gc->D3DDevice->SetTextureStageState(stage, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_CAMERASPACENORMAL);

391 stage++;

392 }

393

394 if(mat.Maps[BumpMap]) {

395 // re-implementation due

396 }

397

398 gc->SetTexture(stage, 0);

399 gc->DisableTextureStage(stage);

400

401 if(stage > 0) {

402 gc->SetAlphaBlending(true);

403 gc->SetBlendFunc(rendp.SourceBlendFactor, rendp.DestBlendFactor);

404 gc->Draw(vb, ib);

405 gc->SetAlphaBlending(false);

406

407 gc->SetTextureMatrix(Matrix4x4(), 0);

408 gc->SetTextureMatrix(Matrix4x4(), 1);

409 gc->SetTextureMatrix(Matrix4x4(), 2);

410 }

411

412 ////////// pass 2 (Bump & Lightmap) //////////

413 if(stage > 0) { // did a first pass

414 gc->SetAlphaBlending(true);

415 gc->SetBlendFunc(BLEND_DESTCOLOR, BLEND_ZERO); // mult blend

416 mat.Emissive = Color(1.0f); // do not recalculate lighting

417 }

418

419 stage = 0;

420 if(mat.Maps[LightMap]) {

421 gc->SetTexture(stage, mat.Maps[LightMap]);

422 gc->SetTextureStageColor(stage, TexBlendSelectArg2, TexArgCurrent, TexArgTexture);

423 gc->SetTextureStageAlpha(stage, TexBlendSelectArg1, TexArgCurrent, TexArgTexture);

424 gc->SetTextureCoordIndex(stage, 1);

425 stage++;

426 }

427

428 gc->SetTexture(stage, 0);

429 gc->DisableTextureStage(stage);

430

431 if(stage > 0) gc->Draw(vb, ib);

432

433 gc->SetAlphaBlending(false);

434 }

435

436 if(!rendp.ZWrite) gc->SetZWrite(false);

437 }

438

439

440 void Object::Render8TexUnits() {Render4TexUnits();}

441

442

443

444 /*

445 void Object::Render() {

446

447 SetRenderStates();

448

449 VertexBuffer *vb = const_cast<VertexBuffer*>(mesh->GetVertexBuffer());

450 IndexBuffer *ib = const_cast<IndexBuffer*>(mesh->GetIndexBuffer());

451

452 Material mat = material;

453 int MapsCount = 0, ActiveTex = 0;

454 for(int i=0; i<NumberOfTextureTypes; i++) {

455 if(mat.Maps[i]) MapsCount++;

456 }

457

458 if(!MapsCount) {

459 gc->SetTexture(0, 0);

460 gc->DisableTextureStage(0);

461 gc->Draw(vb, ib);

462 } else {

463 int pass = 1;

464 TextureType PassFirstTexture;

465 while(MapsCount) {

466

467 if(mat.Maps[BumpMap]) {

468 gc->SetTexture(ActiveTex, mat.Maps[BumpMap]);

469 //gc->SetTextureFactor() TODO

470 gc->SetTextureStageColor(ActiveTex, TexBlendDotProduct, TexArgFactor, TexArgTexture);

471 mat.Maps[BumpMap] = 0;

472 if(!ActiveTex) PassFirstTexture = BumpMap;

473 } else if(mat.Maps[TextureMap]) {

474 gc->SetTexture(ActiveTex, mat.Maps[TextureMap]);

475 gc->SetTextureStageColor(ActiveTex, TexBlendModulate, TexArgCurrent, TexArgTexture);

476 //gc->SetTextureStageColor(ActiveTex, TexBlendSelectArg2, TexArgCurrent, TexArgTexture);

477 gc->SetTextureCoordIndex(ActiveTex, 0);

478 mat.Maps[TextureMap] = 0;

479 if(!ActiveTex) PassFirstTexture = TextureMap;

480 } else if(mat.Maps[DetailMap]) {

481 gc->SetTexture(ActiveTex, mat.Maps[DetailMap]);

482 gc->SetTextureStageColor(ActiveTex, TexBlendAdd, TexArgCurrent, TexArgTexture);

483 gc->SetTextureCoordIndex(ActiveTex, 1);

484 mat.Maps[DetailMap] = 0;

485 if(!ActiveTex) PassFirstTexture = DetailMap;

486 } else if(mat.Maps[EnvironmentMap]) {

487 gc->SetTexture(ActiveTex, mat.Maps[EnvironmentMap]);

488 gc->SetTextureStageColor(ActiveTex, TexBlendAdd, TexArgCurrent, TexArgTexture);

489

490 //gc->SetTextureCoordGenerator(TexGenSpherical); TODO

491 Matrix4x4 TexMat = Matrix4x4(0.5f, 0.0f, 0.0f, 0.0f,

492 0.0f, -0.5f, 0.0f, 0.0f,

493 0.0f, 0.0f, 1.0f, 0.0f,

494 0.5f, 0.5f, 0.0f, 1.0f );

495 gc->SetTextureMatrix(TexMat, ActiveTex);

496 gc->D3DDevice->SetTextureStageState(ActiveTex, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2);

497 gc->D3DDevice->SetTextureStageState(ActiveTex, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_CAMERASPACENORMAL);

498

499 mat.Maps[EnvironmentMap] = 0;

500 if(!ActiveTex) PassFirstTexture = EnvironmentMap;

501 } else if(mat.Maps[LightMap]) {

502 gc->SetTexture(ActiveTex, mat.Maps[LightMap]);

503 gc->SetTextureStageColor(ActiveTex, TexBlendModulate, TexArgCurrent, TexArgTexture);

504 gc->SetTextureCoordIndex(ActiveTex, 2);

505 mat.Maps[LightMap] = 0;

506 if(!ActiveTex) PassFirstTexture = LightMap;

507 }

508

509 MapsCount--;

510 ActiveTex++;

511

512 if(!MapsCount) {

513 gc->SetTextureStageColor(ActiveTex, TexBlendModulate, TexArgCurrent, TexArgDiffuseColor);

514 }

515

516 if(ActiveTex >= gc->GetTextureStageNumber() || !MapsCount) {

517 if(pass++ > 1) {

518 gc->SetAlphaBlending(true);

519 if(PassFirstTexture == DetailMap || PassFirstTexture == EnvironmentMap) {

520 gc->SetBlendFunc(BLEND_ONE, BLEND_ONE);

521 } else {

522 gc->SetBlendFunc(BLEND_DESTCOLOR, BLEND_ZERO);

523 }

524 gc->Draw(vb, ib);

525 gc->SetAlphaBlending(false);

526 } else {

527 gc->Draw(vb, ib);

528 }

529 ActiveTex = 0;

530 for(int i=0; i<gc->GetTextureStageNumber(); i++) {

531 gc->SetTextureMatrix(Matrix4x4(), i);

532 }

533 }

534 }

535 }

536

537 if(material.SpecularEnable) gc->SetSpecular(false);

538 }

539 */

540

541

542

543 void Object::RenderBare() {

544 VertexBuffer *vb = const_cast<VertexBuffer*>(mesh->GetVertexBuffer());

545 IndexBuffer *ib = const_cast<IndexBuffer*>(mesh->GetIndexBuffer());

546 gc->Draw(vb, ib);

547 }

548

549

550 // generate geometry

551 void Object::CreatePlane(float size, dword subdivisions) {

552 ObjGen::CreatePlane(gc, size, subdivisions, &mesh, mesh->GetLevelCount());

553 }

554

555 void Object::CreateCube(float size) {

556 ObjGen::CreateCube(gc, size, &mesh, mesh->GetLevelCount());

557 }