#include <stdio.h>
+#include <assert.h>
#include <vector>
#include <map>
#include <gmath/gmath.h>
#include "scene.h"
#include "objmesh.h"
#include "datamap.h"
+#include "logger.h"
static bool load_material(Scene *scn, Material *mat, const aiMaterial *aimat);
static SceneNode *load_node(Scene *scn, const aiScene *aiscn, unsigned int flags, const aiNode *ainode);
/*static const char *mprop_semantic(int x);
static int count_textures(const aiMaterial *aimat);*/
static int assimp_textype(aiTextureType type);
+static const char *assimp_textypestr(aiTextureType type);
+
+static Mat4 assimp_matrix(const aiMatrix4x4 &aim);
/*static Vec3 assimp_vector(const aiVector3D &v);
static Quat assimp_quat(const aiQuaternion &q);
-static Mat4 assimp_matrix(const aiMatrix4x4 &aim);
static long assimp_time(const aiAnimation *anim, double aitime);
static void print_hierarchy(const aiNode *node);
*/
aiProcess_JoinIdenticalVertices |
aiProcess_Triangulate |
aiProcess_SortByPType |
- aiProcess_TransformUVCoords | aiProcess_PreTransformVertices;
+ aiProcess_GenUVCoords |
+ //aiProcess_PreTransformVertices |
+ aiProcess_TransformUVCoords;
if(flags & SCNLOAD_FLIPTEX) {
ppflags |= aiProcess_FlipUVs;
}
+ info_log("Loading scene file: %s\n", fname);
+
const aiScene *aiscn = aiImportFile(fname, ppflags);
if(!aiscn) {
- fprintf(stderr, "failed to load scene file: %s\n", fname);
+ error_log("failed to load scene file: %s\n", fname);
return false;
}
- /*
+ // assimp adds its own root node, which might have transformations
Vec3 root_pos, root_scaling(1.0, 1.0, 1.0);
Quat root_rot;
if(aiscn->mRootNode) {
Mat4 root_matrix = assimp_matrix(aiscn->mRootNode->mTransformation);
root_pos = root_matrix.get_translation();
- root_rot = root_matrix.get_rotation_quat();
+ root_rot = root_matrix.get_rotation();
root_scaling = root_matrix.get_scaling();
- }*/
+ }
// load all meshes
for(unsigned int i=0; i<aiscn->mNumMeshes; i++) {
break;
default:
- fprintf(stderr, "unsupported primitive type: %u\n", aimesh->mPrimitiveTypes);
+ error_log("unsupported primitive type: %u\n", aimesh->mPrimitiveTypes);
break;
}
}
- SceneNode *root = new SceneNode;
+ if(!nodes) {
+ nodes = new SceneNode;
+ nodes->scene = this;
+ nodes->set_name("root");
+ nodes->set_position(root_pos);
+ nodes->set_rotation(root_rot);
+ nodes->set_scaling(root_scaling);
+ }
// load all the nodes recursively
for(unsigned int i=0; i<aiscn->mRootNode->mNumChildren; i++) {
SceneNode *node = load_node(this, aiscn, flags, aiscn->mRootNode->mChildren[i]);
if(node) {
- root->add_child(node);
+ nodes->add_child(node);
}
}
- int nnodes = root->get_num_children();
- if(nnodes <= 0) {
- delete root;
- } else if(nnodes == 1) {
- nodes = root->get_child(0);
- root->remove_child(nodes);
- delete root;
- } else {
- nodes = root;
- }
-
node_by_name.clear();
mesh_by_aimesh.clear();
aiReleaseImport(aiscn);
- printf("loaded scene file: %s, %d meshes\n", fname, (int)meshes.size());
+ info_log("loaded scene file: %s, %d meshes\n", fname, (int)meshes.size());
+ nodes->update(0);
return true;
}
} else {
mat->name = "unknown";
}
- printf("load_material: %s\n", mat->name.c_str());
+ //info_log("load_material: %s\n", mat->name.c_str());
if(aiGetMaterialColor(aimat, AI_MATKEY_COLOR_DIFFUSE, &aicol) == 0) {
mat->diffuse = Vec3(aicol[0], aicol[1], aicol[2]);
} while(*sptr++);
}
- Texture *tex = scn->texset->get(fname);
- if(!tex) {
- fprintf(stderr, "failed to load texture: %s\n", fname);
- delete [] fname;
- continue;
- }
- delete [] fname;
+ int textype = assimp_textype(aitype);
+ info_log("loading %s texture: %s\n", assimp_textypestr(aitype), fname);
+ Texture *tex = scn->texset->get_texture(fname, TEX_2D);
+ assert(tex);
mat->textures.push_back(tex);
- int textype = assimp_textype(aitype);
if(textype != MTL_TEX_UNKNOWN && !mat->stdtex[textype]) {
mat->stdtex[textype] = tex;
}
}
}
- /*
- for(size_t i=0; i<sizeof textypes / sizeof *textypes; i++) {
- aiString aipath;
-
- if(aiGetMaterialTexture(aimat, textypes[i].aitype, 0, &aipath) == 0) {
- char *tmp, *fname = aipath.data;
-
- if((tmp = strrchr(fname, '/'))) {
- fname = tmp + 1;
- }
- if((tmp = strrchr(fname, '\\'))) {
- fname = tmp + 1;
- }
-
- if(*fname) {
- mat->tex[textypes[i].type] = texset.get(fname);
- }
- }
- }
- */
-
return true;
}
SceneNode *node = new SceneNode;
node->set_name(ainode->mName.data);
+ // transformation
+ Mat4 matrix = assimp_matrix(ainode->mTransformation);
+ Vec3 pos = matrix.get_translation();
+ Quat rot = matrix.get_rotation();
+ Vec3 scale = matrix.get_scaling();
+
+ node->set_position(pos);
+ node->set_rotation(rot);
+ node->set_scaling(scale);
+ node->dbg_xform = matrix;
+
+ // meshes
for(unsigned int i=0; i<ainode->mNumMeshes; i++) {
- aiMesh *aimesh = aiscn->mMeshes[ainode->mMeshes[0]];
+ aiMesh *aimesh = aiscn->mMeshes[ainode->mMeshes[i]];
Mesh *mesh = mesh_by_aimesh[aimesh];
if(mesh) {
ObjMesh *obj = new ObjMesh;
+ obj->set_name(mesh->get_name());
obj->mesh = mesh;
// also grab the material of this mesh
load_material(scn, &obj->mtl, aiscn->mMaterials[aimesh->mMaterialIndex]);
static Mesh *load_mesh(Scene *scn, const aiScene *aiscn, unsigned int flags, const aiMesh *aimesh)
{
Mesh *mesh = new Mesh;
+ mesh->set_name(aimesh->mName.data);
int num_verts = aimesh->mNumVertices;
int num_faces = aimesh->mNumFaces;
iptr[2] = aimesh->mFaces[i].mIndices[flags & SCNLOAD_FLIPYZ ? 1 : 2];
iptr += 3;
}
-
return mesh;
}
case aiTextureType_NORMALS:
return MTL_TEX_NORMALMAP;
case aiTextureType_LIGHTMAP:
+ case aiTextureType_EMISSIVE:
return MTL_TEX_LIGHTMAP;
case aiTextureType_REFLECTION:
return MTL_TEX_ENVMAP;
}
return MTL_TEX_UNKNOWN;
}
+
+static const char *assimp_textypestr(aiTextureType type)
+{
+ switch(type) {
+ case aiTextureType_DIFFUSE:
+ return "diffuse";
+ case aiTextureType_SPECULAR:
+ return "specular";
+ case aiTextureType_NORMALS:
+ return "normalmap";
+ case aiTextureType_LIGHTMAP:
+ case aiTextureType_EMISSIVE:
+ return "lightmap";
+ case aiTextureType_REFLECTION:
+ return "envmap";
+ default:
+ break;
+ }
+ return "unknown";
+}
+
+static Mat4 assimp_matrix(const aiMatrix4x4 &aim)
+{
+ Mat4 m;
+ memcpy(m[0], &aim, 16 * sizeof(float));
+ return transpose(m);
+}
projects / laserbrain_demo / blobdiff