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Update drone.yml

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Add Zup conversion in obj_writer.
This commit is contained in:
Syoyo Fujita
2015-01-17 22:37:31 +09:00
parent 4779593e44
commit 276c7e151e
4 changed files with 34 additions and 14 deletions
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4
examples/obj_sticher/obj_sticher.cc
View File

@@ -81,6 +81,7 @@ main(
std::vector<Shape> shapes;
std::vector<Material> materials;
shapes.resize(num_objfiles);
materials.resize(num_objfiles);
for (int i = 0; i < num_objfiles; i++) {
std::cout << "Loading " << argv[i+1] << " ... " << std::flush;
@@ -98,7 +99,8 @@ main(
std::vector<tinyobj::material_t> out_material;
StichObjs(out_shape, out_material, shapes, materials);
bool ret = WriteObj(out_filename, out_shape, out_material);
bool coordTransform = true;
bool ret = WriteObj(out_filename, out_shape, out_material, coordTransform);
assert(ret);
return 0;

40
examples/obj_sticher/obj_writer.cc
View File

@@ -38,7 +38,7 @@ bool WriteMat(const std::string& filename, const std::vector<tinyobj::material_t
return true;
}
bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>& shapes, const std::vector<tinyobj::material_t>& materials) {
bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>& shapes, const std::vector<tinyobj::material_t>& materials, bool coordTransform) {
FILE* fp = fopen(filename.c_str(), "w");
if (!fp) {
fprintf(stderr, "Failed to open file [ %s ] for write.\n", filename.c_str());
@@ -74,10 +74,17 @@ bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>&
for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
for (int j = 0; j < 3; j++) {
int idx = shapes[i].mesh.indices[3*k+j];
fprintf(fp, "v %f %f %f\n",
shapes[i].mesh.positions[3*idx+0],
shapes[i].mesh.positions[3*idx+1],
shapes[i].mesh.positions[3*idx+2]);
if (coordTransform) {
fprintf(fp, "v %f %f %f\n",
shapes[i].mesh.positions[3*idx+0],
shapes[i].mesh.positions[3*idx+2],
-shapes[i].mesh.positions[3*idx+1]);
} else {
fprintf(fp, "v %f %f %f\n",
shapes[i].mesh.positions[3*idx+0],
shapes[i].mesh.positions[3*idx+1],
shapes[i].mesh.positions[3*idx+2]);
}
}
}
@@ -86,10 +93,17 @@ bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>&
for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
for (int j = 0; j < 3; j++) {
int idx = shapes[i].mesh.indices[3*k+j];
fprintf(fp, "vn %f %f %f\n",
shapes[i].mesh.normals[3*idx+0],
shapes[i].mesh.normals[3*idx+1],
shapes[i].mesh.normals[3*idx+2]);
if (coordTransform) {
fprintf(fp, "vn %f %f %f\n",
shapes[i].mesh.normals[3*idx+0],
shapes[i].mesh.normals[3*idx+2],
-shapes[i].mesh.normals[3*idx+1]);
} else {
fprintf(fp, "vn %f %f %f\n",
shapes[i].mesh.normals[3*idx+0],
shapes[i].mesh.normals[3*idx+1],
shapes[i].mesh.normals[3*idx+2]);
}
}
}
}
@@ -119,6 +133,10 @@ bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>&
int v1 = (3*k + 1) + 1 + v_offset;
int v2 = (3*k + 2) + 1 + v_offset;
int vt0 = (3*k + 0) + 1 + vt_offset;
int vt1 = (3*k + 1) + 1 + vt_offset;
int vt2 = (3*k + 2) + 1 + vt_offset;
int material_id = shapes[i].mesh.material_ids[k];
if (material_id != prev_material_id) {
std::string material_name = materials[material_id].name;
@@ -128,7 +146,7 @@ bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>&
if (has_vn && has_vt) {
fprintf(fp, "f %d/%d/%d %d/%d/%d %d/%d/%d\n",
v0, v0, v0, v1, v1, v1, v2, v2, v2);
v0, vt0, v0, v1, vt1, v1, v2, vt2, v2);
} else if (has_vn && !has_vt) {
fprintf(fp, "f %d//%d %d//%d %d//%d\n", v0, v0, v1, v1, v2, v2);
} else if (!has_vn && has_vt) {
@@ -141,7 +159,7 @@ bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>&
v_offset += shapes[i].mesh.indices.size();
//vn_offset += shapes[i].mesh.normals.size() / 3;
//vt_offset += shapes[i].mesh.texcoords.size() / 2;
vt_offset += shapes[i].mesh.texcoords.size() / 2;
}

2
examples/obj_sticher/obj_writer.h
View File

@@ -3,7 +3,7 @@
#include "../../tiny_obj_loader.h"
extern bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>& shapes, const std::vector<tinyobj::material_t>& materials);
extern bool WriteObj(const std::string& filename, const std::vector<tinyobj::shape_t>& shapes, const std::vector<tinyobj::material_t>& materials, bool coordTransform = false);
#endif // __OBJ_WRITER_H__