goat3d: f43f4849c86a exporters/maxgoat/src/maxgoat.cc

goat3d

view exporters/maxgoat/src/maxgoat.cc @ 33:f43f4849c86a

started writing blender exporter

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 05 Oct 2013 03:07:45 +0300
parents	4deb0b12fe14
children	0fe02696fb1e

line source

1 #include <stdio.h>

2 #include <string.h>

3 #include <stdlib.h>

4 #include <errno.h>

5 #include <map>

6 #include <windows.h>

7 #include <shlobj.h>

8 #include "max.h"

9 #include "impexp.h" // SceneExport

10 #include "iparamb2.h" // ClassDesc2

11 #include "plugapi.h"

12 #include "IGame.h"

13 #include "IGameExport.h"

14 #include "IConversionmanager.h"

15 #include "goat3d.h"

16 #include "config.h"

19 #pragma comment (lib, "core.lib")

20 #pragma comment (lib, "geom.lib")

21 #pragma comment (lib, "gfx.lib")

22 #pragma comment (lib, "mesh.lib")

23 #pragma comment (lib, "maxutil.lib")

24 #pragma comment (lib, "maxscrpt.lib")

25 #pragma comment (lib, "paramblk2.lib")

26 #pragma comment (lib, "msxml2.lib")

27 #pragma comment (lib, "igame.lib")

28 #pragma comment (lib, "comctl32.lib")

31 #define VERSION(major, minor) \

32 ((major) * 100 + ((minor) < 10 ? (minor) * 10 : (minor)))

34 static FILE *logfile;

35 static HINSTANCE hinst;

37 class GoatExporter : public SceneExport {

38 private:

39 std::map<IGameMaterial*, goat3d_material*> mtlmap;

40 std::map<IGameNode*, goat3d_node*> nodemap;

42 public:

43 IGameScene *igame;

45 int ExtCount();

46 const TCHAR *Ext(int n);

47 const TCHAR *LongDesc();

48 const TCHAR *ShortDesc();

49 const TCHAR *AuthorName();

50 const TCHAR *CopyrightMessage();

51 const TCHAR *OtherMessage1();

52 const TCHAR *OtherMessage2();

53 unsigned int Version();

54 void ShowAbout(HWND win);

56 int DoExport(const MCHAR *name, ExpInterface *eiface, Interface *iface, BOOL silent = FALSE, DWORD opt = 0);

58 void process_materials(goat3d *goat);

60 void process_node(goat3d *goat, goat3d_node *parent, IGameNode *maxnode);

62 void process_mesh(goat3d *goat, goat3d_mesh *mesh, IGameObject *maxobj);

63 void process_light(goat3d *goat, goat3d_light *light, IGameObject *maxobj);

64 void process_camera(goat3d *goat, goat3d_camera *cam, IGameObject *maxobj);

65 };

68 int GoatExporter::ExtCount()

69 {

70 return 1;

71 }

73 const TCHAR *GoatExporter::Ext(int n)

74 {

75 return L"xml";

76 }

78 const TCHAR *GoatExporter::LongDesc()

79 {

80 return L"Goat3D scene file";

81 }

83 const TCHAR *GoatExporter::ShortDesc()

84 {

85 return L"Goat3D";

86 }

88 const TCHAR *GoatExporter::AuthorName()

89 {

90 return L"John Tsiombikas";

91 }

93 const TCHAR *GoatExporter::CopyrightMessage()

94 {

96 }

98 const TCHAR *GoatExporter::OtherMessage1()

99 {

100 return L"other1";

101 }

102

103 const TCHAR *GoatExporter::OtherMessage2()

104 {

105 return L"other2";

106 }

107

108 unsigned int GoatExporter::Version()

109 {

110 return VERSION(VER_MAJOR, VER_MINOR);

111 }

112

113 void GoatExporter::ShowAbout(HWND win)

114 {

115 MessageBoxA(win, "Goat3D exporter plugin", "About this plugin", 0);

116 }

117

118 int GoatExporter::DoExport(const MCHAR *name, ExpInterface *eiface, Interface *iface,

119 BOOL non_interactive, DWORD opt)

120 {

121 mtlmap.clear();

122 nodemap.clear();

123

124 char fname[512];

125 wcstombs(fname, name, sizeof fname - 1);

126

127 if(!(igame = GetIGameInterface())) {

128 fprintf(logfile, "failed to get the igame interface\n");

129 return IMPEXP_FAIL;

130 }

131 IGameConversionManager *cm = GetConversionManager();

132 cm->SetCoordSystem(IGameConversionManager::IGAME_OGL);

133 igame->InitialiseIGame();

134 igame->SetStaticFrame(0);

135

136 goat3d *goat = goat3d_create();

137

138 process_materials(goat);

139

140 // process all nodes

141 for(int i=0; i<igame->GetTopLevelNodeCount(); i++) {

142 IGameNode *node = igame->GetTopLevelNode(i);

143 process_node(goat, 0, node);

144 }

145

146 if(goat3d_save(goat, fname) == -1) {

147 goat3d_free(goat);

148 return IMPEXP_FAIL;

149 }

150

151 goat3d_free(goat);

152 return IMPEXP_SUCCESS;

153 }

154

155 static const char *max_string(const MCHAR *wstr)

156 {

157 if(!wstr) return 0;

158 static char str[512];

159 wcstombs(str, wstr, sizeof str - 1);

160 return str;

161 }

162

163 void GoatExporter::process_materials(goat3d *goat)

164 {

165 IGameProperty *prop;

166

167 int num_mtl = igame->GetRootMaterialCount();

168 for(int i=0; i<num_mtl; i++) {

169 IGameMaterial *maxmtl = igame->GetRootMaterial(i);

170 if(maxmtl) {

171 goat3d_material *mtl = goat3d_create_mtl();

172

173 const char *name = max_string(maxmtl->GetMaterialName());

174 if(name) {

175 goat3d_set_mtl_name(mtl, name);

176 }

177

178 // diffuse

179 if((prop = maxmtl->GetDiffuseData())) {

180 Point3 diffuse(1, 1, 1);

181 prop->GetPropertyValue(diffuse);

182 goat3d_set_mtl_attrib3f(mtl, GOAT3D_MAT_ATTR_DIFFUSE, diffuse[0],

183 diffuse[1], diffuse[2]);

184 }

185 // specular

186 if((prop = maxmtl->GetSpecularData())) {

187 Point3 specular(0, 0, 0);

188 prop->GetPropertyValue(specular);

189

190 float sstr = 1.0;

191 if((prop = maxmtl->GetSpecularLevelData())) {

192 prop->GetPropertyValue(sstr);

193 }

194 goat3d_set_mtl_attrib3f(mtl, GOAT3D_MAT_ATTR_SPECULAR, specular[0] * sstr,

195 specular[1] * sstr, specular[2] * sstr);

196 }

197 // shininess

198 if((prop = maxmtl->GetGlossinessData())) {

199 float shin;

200 prop->GetPropertyValue(shin);

201 goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_SHININESS, shin * 100.0);

202 }

203

204 // textures

205 for(int j=0; j<maxmtl->GetNumberOfTextureMaps(); j++) {

206 IGameTextureMap *tex = maxmtl->GetIGameTextureMap(j);

207

208 const char *fname = max_string(tex->GetBitmapFileName());

209 if(!fname) {

210 continue;

211 }

212

213 int slot = tex->GetStdMapSlot();

214 switch(slot) {

215 case ID_DI: // diffuse

216 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_DIFFUSE, fname);

217 break;

218

219 case ID_SP:

220 case ID_SS:

221 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_SPECULAR, fname);

222 break;

223

224 case ID_SH:

225 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_SHININESS, fname);

226 break;

227

228 case ID_BU:

229 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_NORMAL, fname);

230 break;

231

232 case ID_RL:

233 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_REFLECTION, fname);

234 break;

235

236 case ID_RR:

237 goat3d_set_mtl_attrib_map(mtl, GOAT3D_MAT_ATTR_TRANSMISSION, fname);

238 break;

239

240 default:

241 break;

242 }

243 }

244

245 goat3d_add_mtl(goat, mtl);

246 mtlmap[maxmtl] = mtl;

247 }

248 }

249 }

250

251 void GoatExporter::process_node(goat3d *goat, goat3d_node *parent, IGameNode *maxnode)

252 {

253 goat3d_node *node = goat3d_create_node();

254 goat3d_add_node(goat, node);

255

256 const char *name = max_string(maxnode->GetName());

257 if(name) {

258 goat3d_set_node_name(node, name);

259 }

260

261 // no animation yet, just get the static PRS

262 GMatrix maxmatrix = maxnode->GetObjectTM();

263 Point3 trans = maxmatrix.Translation();

264 Quat rot = maxmatrix.Rotation();

265 Point3 scale = maxmatrix.Scaling();

266

267 goat3d_set_node_position(node, trans.x, trans.y, trans.z, 0);

268 goat3d_set_node_rotation(node, rot.x, rot.y, rot.z, rot.w, 0);

269 goat3d_set_node_scaling(node, scale.x, scale.y, scale.z, 0);

270

271 IGameObject *maxobj = maxnode->GetIGameObject();

272 IGameObject::ObjectTypes type = maxobj->GetIGameType();

273

274 switch(type) {

275 case IGameObject::IGAME_MESH:

276 {

277 goat3d_mesh *mesh = goat3d_create_mesh();

278 if(name) goat3d_set_mesh_name(mesh, name);

279 goat3d_set_node_object(node, GOAT3D_NODE_MESH, mesh);

280

281 // get the node material and assign it to the mesh

282 IGameMaterial *maxmtl = maxnode->GetNodeMaterial();

283 goat3d_material *mtl = mtlmap[maxmtl];

284 if(mtl) {

285 goat3d_set_mesh_mtl(mesh, mtl);

286 }

287

288 process_mesh(goat, mesh, maxobj);

289 }

290 break;

291

292 case IGameObject::IGAME_LIGHT:

293 {

294 goat3d_light *light = goat3d_create_light();

295 //if(name) goat3d_set_light_name(light, name);

296 goat3d_set_node_object(node, GOAT3D_NODE_LIGHT, light);

297

298 process_light(goat, light, maxobj);

299 }

300 break;

301

302 case IGameObject::IGAME_CAMERA:

303 {

304 goat3d_camera *cam = goat3d_create_camera();

305 //if(name) goat3d_set_camera_name(camera, name);

306 goat3d_set_node_object(node, GOAT3D_NODE_CAMERA, cam);

307

308 process_camera(goat, cam, maxobj);

309 }

310 break;

311

312 default:

313 // otherwise don't assign an object, essentially treating it as a null node

314 break;

315 }

316

317

318 for(int i=0; i<maxnode->GetChildCount(); i++) {

319 process_node(goat, node, maxnode->GetNodeChild(i));

320 }

321 }

322

323 void GoatExporter::process_mesh(goat3d *goat, goat3d_mesh *mesh, IGameObject *maxobj)

324 {

325 IGameMesh *maxmesh = (IGameMesh*)maxobj;

326

327 maxmesh->SetCreateOptimizedNormalList(); // not needed any more according to docs

328 maxobj->InitializeData();

329

330 int num_verts = maxmesh->GetNumberOfVerts();

331 //assert(maxmesh->GetNumberOfTexVerts() == num_verts);

332

333 float *vertices = new float[num_verts * 3];

334 float *normals = new float[num_verts * 3];

335 //float *texcoords = new float[num_verts * 2];

336

337 for(int i=0; i<num_verts; i++) {

338 Point3 v = maxmesh->GetVertex(i, true);

339 vertices[i * 3] = v.x;

340 vertices[i * 3 + 1] = v.y;

341 vertices[i * 3 + 2] = v.z;

342 }

343

344 for(int i=0; i<maxmesh->GetNumberOfNormals(); i++) {

345 Point3 norm = maxmesh->GetNormal(i);

346

347 int vidx = maxmesh->GetNormalVertexIndex(i);

348 normals[vidx * 3] = norm.x;

349 normals[vidx * 3 + 1] = norm.y;

350 normals[vidx * 3 + 2] = norm.z;

351 }

352

353 /*for(int i=0; i<maxmesh->GetNumberOfTexVerts(); i++) {

354 Point3 tex = maxmesh->GetTexVertex(i);

355

356 texcoords[i * 2] = tex.x;

357 texcoords[i * 2 + 1] = tex.y;

358 }*/

359

360 goat3d_set_mesh_attribs(mesh, GOAT3D_MESH_ATTR_VERTEX, vertices, num_verts);

361 goat3d_set_mesh_attribs(mesh, GOAT3D_MESH_ATTR_NORMAL, normals, num_verts);

362 //goat3d_set_mesh_attribs(mesh, GOAT3D_MESH_ATTR_TEXCOORD, texcoords, num_verts);

363

364 delete [] vertices;

365 delete [] normals;

366 //delete [] texcoords;

367 }

368

369 void GoatExporter::process_light(goat3d *goat, goat3d_light *light, IGameObject *maxobj)

370 {

371 }

372

373 void GoatExporter::process_camera(goat3d *goat, goat3d_camera *cam, IGameObject *maxobj)

374 {

375 }

376

377

378 // ------------------------------------------

379

380 class GoatClassDesc : public ClassDesc2 {

381 public:

382 int IsPublic() { return TRUE; }

383 void *Create(BOOL loading = FALSE) { return new GoatExporter; }

384 const TCHAR *ClassName() { return L"GoatExporter"; }

385 SClass_ID SuperClassID() { return SCENE_EXPORT_CLASS_ID; }

386 Class_ID ClassID() { return Class_ID(0x77050f0d, 0x7d4c5ab5); }

387 const TCHAR *Category() { return L"Mutant Stargoat"; }

388

389 const TCHAR *InternalName() { return L"GoatExporter"; }

390 HINSTANCE HInstance() { return hinst; }

391 };

392

393 static GoatClassDesc class_desc;

394

395 BOOL WINAPI DllMain(HINSTANCE inst_handle, ULONG reason, void *reserved)

396 {

397 if(reason == DLL_PROCESS_ATTACH) {

398 hinst = inst_handle;

399 DisableThreadLibraryCalls(hinst);

400 }

401 return TRUE;

402 }

403

404 extern "C" {

405

406 __declspec(dllexport) const TCHAR *LibDescription()

407 {

408 return L"test exporter";

409 }

410

411 __declspec(dllexport) int LibNumberClasses()

412 {

413 return 1;

414 }

415

416 __declspec(dllexport) ClassDesc *LibClassDesc(int i)

417 {

418 return i == 0 ? &class_desc : 0;

419 }

420

421 __declspec(dllexport) ULONG LibVersion()

422 {

423 return Get3DSMAXVersion();

424 }

425

426 __declspec(dllexport) int LibInitialize()

427 {

428 static char path[1024];

429

430 SHGetFolderPathA(0, CSIDL_PERSONAL, 0, 0, path);

431 strcat(path, "/testexp.log");

432

433 if((logfile = fopen(path, "w"))) {

434 setvbuf(logfile, 0, _IONBF, 0);

435 }

436 return TRUE;

437 }

438

439 __declspec(dllexport) int LibShutdown()

440 {

441 if(logfile) {

442 fclose(logfile);

443 logfile = 0;

444 }

445 return TRUE;

446 }

447

448 } // extern "C"