void sgn_geom_draw(struct sgn_base *_self, struct scene *scene) {
tzm4 tmp;
T *self = (T *)_self;
assert(sgn_isgeom(self) && "node is not a sgn_geom, fix vtbl.");
tzm4 *cam = sgn_base_to(scene->active_cam);
/* from world to eye */
tzm4_mulm(&tmp, cam, sgn_base_to(_self));
/* apply the localT transformation. */
tzm4_mulm(&tmp, &tmp,
sgn_geom_localT(self));
/* TODO: fix bull crap */
if (self->mat) material_load (self->mat);
if (self->tex) texture_load (self->tex);
geometry_draw(self->geom, &tmp);
if (self->tex) texture_unload (self->tex);
if (self->mat) material_unload(self->mat);
sgn_base_draw(&self->base, scene);
}
object *load_object(IDirect3DDevice9 *device, char *filename){
matrix position, rotation, scale;
vector position_vector, scale_vector;
quat rotation_quat;
unsigned int submesh_counter;
char test[4];
object *temp;
file *fp;
vertex *dest;
if(!filename) return NULL;
fp = file_open(filename);
if(!fp) return NULL;
file_read(test,1,4,fp);
if(memcmp(test,"KRO0",4)!=0){
file_close(fp);
return NULL;
}
temp = (object*)malloc(sizeof(object));
if(!temp) return NULL;
file_read(&position_vector,sizeof(float),3,fp);
file_read(&rotation_quat,sizeof(float),4,fp);
file_read(&scale_vector,sizeof(float),3,fp);
file_read(&temp->vertex_count,1,4,fp);
if(temp->vertex_count==0){
/* dummy-object, skip loading */
file_close(fp);
temp->update = FALSE;
temp->vertexbuffer = NULL;
temp->vertices = 0;
temp->submesh_count = 0;
temp->submeshes = NULL;
/* save prs */
temp->prs.pos = position_vector;
temp->prs.rot = rotation_quat;
temp->prs.scale = scale_vector;
/* build matrix */
matrix_identity(temp->mat);
matrix_translate(position, position_vector);
matrix_from_quat(rotation, rotation_quat);
matrix_scale(scale, scale_vector);
matrix_multiply(temp->mat, temp->mat, position);
matrix_multiply(temp->mat, temp->mat, rotation);
matrix_multiply(temp->mat, temp->mat, scale);
return temp;
}
temp->vertices = (vertex*)malloc(sizeof(vertex)*temp->vertex_count);
if(!temp->vertices) return FALSE;
file_read(temp->vertices,sizeof(vertex),temp->vertex_count,fp);
file_read(&temp->morphtarget_count,1,4,fp);
temp->morphtarget_vertices = malloc(sizeof(vector)*temp->vertex_count*temp->morphtarget_count);
if(!temp->morphtarget_vertices) return FALSE;
file_read(temp->morphtarget_vertices,sizeof(vector),temp->vertex_count*temp->morphtarget_count,fp);
file_read(&temp->submesh_count,1,4,fp);
temp->submeshes = (submesh*)malloc(sizeof(submesh)*temp->submesh_count);
if(!temp->submeshes) return FALSE;
for(submesh_counter=0;submesh_counter<temp->submesh_count;submesh_counter++){
unsigned int* dest;
char mat_name[256];
char *material_name = file_loadstring(fp);
sprintf(mat_name,"%s%s",get_dirname(filename),material_name);
temp->submeshes[submesh_counter].mat = material_load(device,mat_name);
file_read(&temp->submeshes[submesh_counter].triangle_count,1,4,fp);
temp->submeshes[submesh_counter].triangles = (unsigned short*)malloc(sizeof(unsigned short)*3*temp->submeshes[submesh_counter].triangle_count);
if(!temp->submeshes[submesh_counter].triangles) return FALSE;
file_read(temp->submeshes[submesh_counter].triangles,sizeof(unsigned short)*3,temp->submeshes[submesh_counter].triangle_count,fp);
if(FAILED(IDirect3DDevice9_CreateIndexBuffer(device,sizeof(unsigned short)*3*temp->submeshes[submesh_counter].triangle_count,0,D3DFMT_INDEX16,D3DPOOL_MANAGED,&temp->submeshes[submesh_counter].indexbuffer,NULL)))
return FALSE;
if(IDirect3DIndexBuffer9_Lock(temp->submeshes[submesh_counter].indexbuffer,0,0,&dest,0)==D3D_OK){
memcpy(dest,temp->submeshes[submesh_counter].triangles,sizeof(unsigned short)*3*temp->submeshes[submesh_counter].triangle_count);
IDirect3DIndexBuffer9_Unlock(temp->submeshes[submesh_counter].indexbuffer);
}else return FALSE;
}
file_close(fp);
if(temp->morphtarget_count > 0) {
printf("something shall morph!");
if(FAILED(IDirect3DDevice9_CreateVertexBuffer(device,sizeof(vertex)*temp->vertex_count,D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,OBJECT_VERTEX_TYPE,D3DPOOL_DEFAULT,&temp->vertexbuffer,NULL)))
return FALSE;
} else {
if(FAILED(IDirect3DDevice9_CreateVertexBuffer(device,sizeof(vertex)*temp->vertex_count,0,OBJECT_VERTEX_TYPE,D3DPOOL_MANAGED,&temp->vertexbuffer,NULL)))
return FALSE;
}
if(IDirect3DVertexBuffer9_Lock(temp->vertexbuffer, 0, 0, (BYTE**)&dest, 0)==D3D_OK){
memcpy(dest,temp->vertices,sizeof(vertex)*temp->vertex_count);
IDirect3DVertexBuffer9_Unlock(temp->vertexbuffer);
temp->update = FALSE;
}else return FALSE;
/* save prs */
temp->prs.pos = position_vector;
temp->prs.rot = rotation_quat;
temp->prs.scale = scale_vector;
/* build matrix */
matrix_identity(temp->mat);
matrix_translate(position, position_vector);
matrix_from_quat(rotation, rotation_quat);
matrix_scale(scale, scale_vector);
matrix_multiply(temp->mat, temp->mat, position);
matrix_multiply(temp->mat, temp->mat, rotation);
matrix_multiply(temp->mat, temp->mat, scale);
return temp;
}
