void RayTracer::read_open_inventor_scene(std::string iv_file){
SoDB::init();
scene = new OSUInventorScene((char *)iv_file.c_str());
read_objects();
read_camera();
read_lights();
calculate_eye_coordinate_system(camera);
calculate_image_dimentions();
return;
}
/**
* Each substructure in the M2 has a variable size except the header.
* Memory for each substructure must therefore be allocated at reading depending on header values.
* @param lk_m2_file The file to read data.
* @param ptr Pointer to a M2/WotLK structure.
*/
int read_model(FILE *lk_m2_file, LKM2 *ptr) {
//Header
fseek(lk_m2_file, 0, SEEK_SET);
fread(&ptr->header, sizeof(LKModelHeader), 1, lk_m2_file);
char real_id[5];
real_id[0] = ptr->header.id[0];
real_id[1] = ptr->header.id[1];
real_id[2] = ptr->header.id[2];
real_id[3] = ptr->header.id[3];
real_id[4] = '\0';
if (strcmp("MD20", real_id)) {
fprintf(stderr, "This is not an M2 file.\n");
exit(EXIT_FAILURE);
}
if (ptr->header.version != 264) {
fprintf(stderr, "Incorrect model version (%d).\n", ptr->header.version);
fprintf(stderr, "A WotLK model (264) is expected.\n");
exit(EXIT_FAILURE);
}
//Name
ptr->filename = malloc(ptr->header.nameLength);
fseek(lk_m2_file, ptr->header.nameOfs, SEEK_SET);
fread(ptr->filename, sizeof(char), ptr->header.nameLength, lk_m2_file);
//Global Sequences
ptr->globalsequences = malloc(
ptr->header.nGlobalSequences * sizeof(unsigned int));
if (ptr->header.nGlobalSequences > 0) {
fseek(lk_m2_file, ptr->header.ofsGlobalSequences, SEEK_SET);
fread(ptr->globalsequences, sizeof(unsigned int),
ptr->header.nGlobalSequences, lk_m2_file);
}
//Animations
ptr->animations = malloc(
ptr->header.nAnimations * sizeof(LKModelAnimation));
fseek(lk_m2_file, ptr->header.ofsAnimations, SEEK_SET);
fread(ptr->animations, sizeof(LKModelAnimation), ptr->header.nAnimations,
lk_m2_file);
//Animation Files
FILE **anim_files;
anim_files = malloc(ptr->header.nAnimations * sizeof(FILE *));
int i;
for (i = 0; i < ptr->header.nAnimations; i++) {
if (((ptr->animations[i].flags & 0x40) == 0)
&& ((ptr->animations[i].flags & 0x130) == 0)) { //If anim[i] is not an alias and is not stored in the model
printf("\t%s\n",
animfile_name(model_name, ptr->animations[i].animID,
ptr->animations[i].subAnimID));
anim_files[i] = (FILE *) fcaseopen(
animfile_name(model_name, ptr->animations[i].animID,
ptr->animations[i].subAnimID), "r+b");
if (anim_files[i] == NULL) {
fprintf(stderr, KRED "[Error] " RESET
"[Anim #%d, ID%d, Flags %d] %s file not found.\n", i,
ptr->animations[i].animID, ptr->animations[i].flags,
animfile_name(model_name, ptr->animations[i].animID,
ptr->animations[i].subAnimID));
fprintf(stderr, "[aliasNext %d]\n", ptr->animations[i].Index);
exit(EXIT_FAILURE);
}
}
}
//Animations Lookup Table
ptr->AnimLookup = malloc(ptr->header.nAnimationLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsAnimationLookup, SEEK_SET);
fread(ptr->AnimLookup, sizeof(short), ptr->header.nAnimationLookup,
lk_m2_file);
//Bones
read_bones(lk_m2_file, ptr, anim_files);
//Skeleton Bone Lookup
ptr->keybonelookup = malloc(ptr->header.nKeyBoneLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsKeyBoneLookup, SEEK_SET);
fread(ptr->keybonelookup, sizeof(short), ptr->header.nKeyBoneLookup,
lk_m2_file);
//Vertices
ptr->vertices = malloc(ptr->header.nVertices * sizeof(ModelVertex));
fseek(lk_m2_file, ptr->header.ofsVertices, SEEK_SET);
fread(ptr->vertices, sizeof(ModelVertex), ptr->header.nVertices,
lk_m2_file);
//Colors
read_colors(lk_m2_file, ptr, anim_files);
//Textures Definition
if (ptr->header.nTextures > 0) {
ptr->textures_def = malloc(
ptr->header.nTextures * sizeof(ModelTextureDef));
fseek(lk_m2_file, ptr->header.ofsTextures, SEEK_SET);
fread(ptr->textures_def, sizeof(ModelTextureDef), ptr->header.nTextures,
lk_m2_file);
//textures names
ptr->texture_names = malloc(ptr->header.nTextures * sizeof(char *));
int i;
for (i = 0; i < ptr->header.nTextures; i++) {
if (ptr->textures_def[i].type == 0) { //Filename is referenced in the m2 only when the type is 0
if (ptr->textures_def[i].nameLen >= 256) {
fprintf(stderr,
"nameLen too large : %d\nPlease report this issue.",
ptr->textures_def[i].nameLen);
return -1;
}
ptr->texture_names[i] = malloc(ptr->textures_def[i].nameLen);
fseek(lk_m2_file, ptr->textures_def[i].nameOfs,
SEEK_SET);
fread(ptr->texture_names[i], sizeof(char),
ptr->textures_def[i].nameLen, lk_m2_file);
}
}
}
//Transparency
read_transparency(lk_m2_file, ptr, anim_files);
//TexReplace
ptr->TexReplace = malloc(ptr->header.nTexReplace * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsTexReplace, SEEK_SET);
fread(ptr->TexReplace, sizeof(short), ptr->header.nTexReplace, lk_m2_file);
//Render Flags
ptr->renderflags = malloc(ptr->header.nRenderFlags * sizeof(int));
fseek(lk_m2_file, ptr->header.ofsRenderFlags, SEEK_SET);
fread(ptr->renderflags, sizeof(int), ptr->header.nRenderFlags, lk_m2_file);
//Bone Lookup Table
ptr->BoneLookupTable = malloc(ptr->header.nBoneLookupTable * sizeof(int16));
fseek(lk_m2_file, ptr->header.ofsBoneLookupTable, SEEK_SET);
fread(ptr->BoneLookupTable, sizeof(int16), ptr->header.nBoneLookupTable,
lk_m2_file);
//Texture Lookup Table
ptr->TexLookupTable = malloc(ptr->header.nTexLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsTexLookup, SEEK_SET);
fread(ptr->TexLookupTable, sizeof(short), ptr->header.nTexLookup,
lk_m2_file);
//TexUnit
ptr->TexUnit = malloc(ptr->header.nTexUnitLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsTexUnitLookup, SEEK_SET);
fread(ptr->TexUnit, sizeof(short), ptr->header.nTexUnitLookup, lk_m2_file);
//TransLookup
ptr->TransparencyLookup = malloc(
ptr->header.nTransparencyLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsTransparencyLookup, SEEK_SET);
fread(ptr->TransparencyLookup, sizeof(short),
ptr->header.nTransparencyLookup, lk_m2_file);
//TexAnimLookup
ptr->TexAnimLookup = malloc(ptr->header.nTexAnimLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsTexAnimLookup, SEEK_SET);
fread(ptr->TexAnimLookup, sizeof(short), ptr->header.nTexAnimLookup,
lk_m2_file);
//BoundingTriangles
ptr->BoundingTriangles = malloc(
ptr->header.nBoundingTriangles / 3 * sizeof(Triangle));
fseek(lk_m2_file, ptr->header.ofsBoundingTriangles, SEEK_SET);
fread(ptr->BoundingTriangles, sizeof(Triangle),
ptr->header.nBoundingTriangles / 3, lk_m2_file);
//BoundingVertices
ptr->BoundingVertices = malloc(
ptr->header.nBoundingVertices * sizeof(Vec3D));
fseek(lk_m2_file, ptr->header.ofsBoundingVertices, SEEK_SET);
fread(ptr->BoundingVertices, sizeof(Vec3D), ptr->header.nBoundingVertices,
lk_m2_file);
//BoundingNormals
ptr->BoundingNormals = malloc(ptr->header.nBoundingNormals * sizeof(Vec3D));
fseek(lk_m2_file, ptr->header.ofsBoundingNormals, SEEK_SET);
fread(ptr->BoundingNormals, sizeof(Vec3D), ptr->header.nBoundingNormals,
lk_m2_file);
//Attachments
read_attachments(lk_m2_file, ptr, anim_files);
//Attachment Lookup Table
ptr->AttachLookup = malloc(ptr->header.nAttachLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsAttachLookup, SEEK_SET);
fread(ptr->AttachLookup, sizeof(short), ptr->header.nAttachLookup,
lk_m2_file);
//Events
read_events(lk_m2_file, ptr);
//Lights
read_lights(lk_m2_file, ptr, anim_files);
//Cameras
read_cameras(lk_m2_file, ptr, anim_files);
//Cameras Lookup
ptr->CameraLookup = malloc(ptr->header.nCameraLookup * sizeof(short));
fseek(lk_m2_file, ptr->header.ofsCameraLookup, SEEK_SET);
fread(ptr->CameraLookup, sizeof(short), ptr->header.nCameraLookup,
lk_m2_file);
//TexAnims
read_texanims(lk_m2_file, ptr, anim_files);
/*TODO
Ribbons;
Particles
*/
return 0;
}
