ArchiveEntryFile::~ArchiveEntryFile()
{
DENG2_GUARD(this);
DENG2_FOR_AUDIENCE2(Deletion, i) i->fileBeingDeleted(*this);
audienceForDeletion().clear();
deindex();
}
void SurfaceTool::generate_tangents() {
ERR_FAIL_COND(!(format & Mesh::ARRAY_FORMAT_TEX_UV));
ERR_FAIL_COND(!(format & Mesh::ARRAY_FORMAT_NORMAL));
bool indexed = index_array.size() > 0;
if (indexed)
deindex();
SMikkTSpaceInterface mkif;
mkif.m_getNormal = mikktGetNormal;
mkif.m_getNumFaces = mikktGetNumFaces;
mkif.m_getNumVerticesOfFace = mikktGetNumVerticesOfFace;
mkif.m_getPosition = mikktGetPosition;
mkif.m_getTexCoord = mikktGetTexCoord;
mkif.m_setTSpace = mikktSetTSpaceDefault;
mkif.m_setTSpaceBasic = NULL;
SMikkTSpaceContext msc;
msc.m_pInterface = &mkif;
Vector<List<Vertex>::Element *> vtx;
vtx.resize(vertex_array.size());
int idx = 0;
for (List<Vertex>::Element *E = vertex_array.front(); E; E = E->next()) {
vtx.write[idx++] = E;
E->get().binormal = Vector3();
E->get().tangent = Vector3();
}
msc.m_pUserData = &vtx;
bool res = genTangSpaceDefault(&msc);
ERR_FAIL_COND(!res);
format |= Mesh::ARRAY_FORMAT_TANGENT;
if (indexed) {
index();
}
}
// create a cube model that looks like a wavefront model,
MODEL_T cube_wavefront()
{
static const float qv[] = {
-0.5f, -0.5f, 0.5f,
-0.5f, -0.5f, -0.5f,
0.5f, -0.5f, -0.5f,
0.5f, -0.5f, 0.5f,
-0.5f, 0.5f, 0.5f,
0.5f, 0.5f, 0.5f,
0.5f, 0.5f, -0.5f,
-0.5f, 0.5f, -0.5f,
};
static const float qn[] = {
0.0f, -1.0f, -0.0f,
0.0f, 1.0f, -0.0f,
0.0f, 0.0f, 1.0f,
1.0f, 0.0f, -0.0f,
0.0f, 0.0f, -1.0f,
-1.0f, 0.0f, -0.0f,
};
static const float qt[] = {
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
};
static const unsigned short qf[] = {
1,1,1, 2,2,1, 3,3,1,
3,3,1, 4,4,1, 1,1,1,
5,4,2, 6,1,2, 7,2,2,
7,2,2, 8,3,2, 5,4,2,
1,4,3, 4,1,3, 6,2,3,
6,2,3, 5,3,3, 1,4,3,
4,4,4, 3,1,4, 7,2,4,
7,2,4, 6,3,4, 4,4,4,
3,4,5, 2,1,5, 8,2,5,
8,2,5, 7,3,5, 3,4,5,
2,4,6, 1,1,6, 5,2,6,
5,2,6, 8,3,6, 2,4,6,
};
WAVEFRONT_MODEL_T *model = malloc(sizeof *model);
if (model) {
WAVEFRONT_MATERIAL_T *mat = model->material;
float *temp;
const int offset = 0;
memset(model, 0, sizeof *model);
temp = allocbuffer(3*MAX_VERTICES*sizeof *temp);
//mat->numverts = countof(qf)/3;
mat->numverts = sizeof(qf)/sizeof(short)/3;
// vertex, texture, normal
deindex(temp, qv, qf+3*offset+0, 3, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_VERTEX, 3 * mat->numverts * sizeof *qv, temp); // 3
deindex(temp, qt, qf+3*offset+1, 2, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_TEXTURE, 2 * mat->numverts * sizeof *qt, temp); // 2
deindex(temp, qn, qf+3*offset+2, 3, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_NORMAL, 3 * mat->numverts * sizeof *qn, temp); // 3
freebuffer(temp);
model->num_materials = 1;
}
return (MODEL_T)model;
}
MODEL_T load_wavefront(const char *modelname, const char *texturename)
{
WAVEFRONT_MODEL_T *model;
float *temp, *qv, *qt, *qn;
unsigned short *qf;
int i;
int numverts = 0, offset = 0;
struct wavefront_model_loading_s *m;
int s=-1;
char modelname_obj[128];
model = malloc(sizeof *model);
if (!model || !modelname) return NULL;
memset (model, 0, sizeof *model);
model->texture = 0; //load_texture(texturename);
m = allocbuffer(sizeof *m +
sizeof(float)*(3+2+3)*MAX_VERTICES + // 3 vertices + 2 textures + 3 normals
sizeof(unsigned short)*3*MAX_VERTICES); //each face has 9 vertices
if (!m) return 0;
if (strlen(modelname) + 5 <= sizeof modelname_obj) {
strcpy(modelname_obj, modelname);
strcat(modelname_obj, ".dat");
s = load_wavefront_dat(modelname_obj, model, m);
}
if (s==0) {}
else if (strncmp(modelname + strlen(modelname) - 4, ".obj", 4) == 0) {
#ifdef DUMP_OBJ_DAT
int size;
FILE *fp;
#endif
s = load_wavefront_obj(modelname, model, m);
#ifdef DUMP_OBJ_DAT
strcpy(modelname_obj, modelname);
strcat(modelname_obj, ".dat");
size = sizeof *m +
sizeof(float)*(3*m->numv+2*m->numt+3*m->numn) + // 3 vertices + 2 textures + 3 normals
sizeof(unsigned short)*3*m->numf; //each face has 9 vertices
fp = host_file_open(modelname_obj, "w");
fwrite(m, 1, size, fp);
fclose(fp);
#endif
} else if (strncmp(modelname + strlen(modelname) - 4, ".dat", 4) == 0) {
s = load_wavefront_dat(modelname, model, m);
}
if (s != 0) return 0;
qv = (float *)(m->data);
qt = (float *)(m->data + m->numv);
qn = (float *)(m->data + m->numv + m->numt);
qf = (unsigned short *)(m->data + m->numv + m->numt + m->numn);
numverts = m->numf/3;
vc_assert(numverts <= MAX_VERTICES);
temp = allocbuffer(3*numverts*sizeof *temp);
for (i=0; i<m->num_materials; i++) {
WAVEFRONT_MATERIAL_T *mat = model->material + i;
mat->numverts = i < m->num_materials-1 ? m->material_index[i+1]-m->material_index[i] : numverts - m->material_index[i];
// vertex, texture, normal
deindex(temp, qv, qf+3*offset+0, 3, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_VERTEX, 3 * mat->numverts * sizeof *qv, temp); // 3
deindex(temp, qt, qf+3*offset+1, 2, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_TEXTURE, 2 * mat->numverts * sizeof *qt, temp); // 2
deindex(temp, qn, qf+3*offset+2, 3, mat->numverts);
create_vbo(GL_ARRAY_BUFFER, mat->vbo+VBO_NORMAL, 3 * mat->numverts * sizeof *qn, temp); // 3
offset += mat->numverts;
mat->texture = model->texture;
}
model->num_materials = m->num_materials;
vc_assert(offset == numverts);
freebuffer(temp);
freebuffer(m);
return (MODEL_T)model;
}
ArchiveFolder::~ArchiveFolder()
{
DENG2_FOR_AUDIENCE2(Deletion, i) i->fileBeingDeleted(*this);
audienceForDeletion().clear();
deindex();
}
void SurfaceTool::generate_normals(bool p_flip) {
ERR_FAIL_COND(primitive != Mesh::PRIMITIVE_TRIANGLES);
bool was_indexed = index_array.size();
deindex();
HashMap<Vertex, Vector3, VertexHasher> vertex_hash;
int count = 0;
bool smooth = false;
if (smooth_groups.has(0))
smooth = smooth_groups[0];
List<Vertex>::Element *B = vertex_array.front();
for (List<Vertex>::Element *E = B; E;) {
List<Vertex>::Element *v[3];
v[0] = E;
v[1] = v[0]->next();
ERR_FAIL_COND(!v[1]);
v[2] = v[1]->next();
ERR_FAIL_COND(!v[2]);
E = v[2]->next();
Vector3 normal;
if (!p_flip)
normal = Plane(v[0]->get().vertex, v[1]->get().vertex, v[2]->get().vertex).normal;
else
normal = Plane(v[2]->get().vertex, v[1]->get().vertex, v[0]->get().vertex).normal;
if (smooth) {
for (int i = 0; i < 3; i++) {
Vector3 *lv = vertex_hash.getptr(v[i]->get());
if (!lv) {
vertex_hash.set(v[i]->get(), normal);
} else {
(*lv) += normal;
}
}
} else {
for (int i = 0; i < 3; i++) {
v[i]->get().normal = normal;
}
}
count += 3;
if (smooth_groups.has(count) || !E) {
if (vertex_hash.size()) {
while (B != E) {
Vector3 *lv = vertex_hash.getptr(B->get());
if (lv) {
B->get().normal = lv->normalized();
}
B = B->next();
}
} else {
B = E;
}
vertex_hash.clear();
if (E) {
smooth = smooth_groups[count];
}
}
}
format |= Mesh::ARRAY_FORMAT_NORMAL;
if (was_indexed) {
index();
smooth_groups.clear();
}
}
