+#include <regex>
#include "metascene.h"
#include "scene.h"
#include "datamap.h"
#include "treestore.h"
+#include "logger.h"
#ifdef WIN32
#include <malloc.h>
#endif
static bool proc_node(Scene *scn, struct ts_node *node);
+static bool proc_scenefile(Scene *scn, struct ts_node *node);
+static bool proc_mtledit(Scene *scn, struct ts_node *node);
static struct ts_attr *attr_inscope(struct ts_node *node, const char *name);
+static void print_scene_graph(SceneNode *n, int level);
+
bool load_scene(Scene *scn, const char *fname)
{
struct ts_node *root = ts_load(fname);
if(!root || strcmp(root->name, "scene") != 0) {
ts_free_tree(root);
- fprintf(stderr, "failed to load scene metadata: %s\n", fname);
+ error_log("failed to load scene metadata: %s\n", fname);
return false;
}
bool res = proc_node(scn, root);
ts_free_tree(root);
+
+ info_log("loaded scene: %s\n", fname);
+ info_log("scene graph:\n");
+ print_scene_graph(scn->nodes, 0);
return res;
}
// do this last to allow other contents of the node to do their thing
if(strcmp(node->name, "scenefile") == 0) {
- const char *fname = ts_get_attr_str(node, "file");
- if(fname) {
- struct ts_attr *adpath = attr_inscope(node, "datapath");
- if(adpath && adpath->val.type == TS_STRING) {
- printf("adding data path: %s\n", adpath->val.str);
- datamap_set_path(adpath->val.str);
+ return proc_scenefile(scn, node);
+
+ } else if(strcmp(node->name, "remap") == 0) {
+ const char *match = ts_get_attr_str(node, "match");
+ const char *replace = ts_get_attr_str(node, "replace");
+ if(match && replace) {
+ datamap_map(match, replace);
+ }
+ }
+
+ return true;
+}
+
+static bool proc_scenefile(Scene *scn, struct ts_node *node)
+{
+ const char *fname = ts_get_attr_str(node, "file");
+ if(fname) {
+ // datapath
+ struct ts_attr *adpath = attr_inscope(node, "datapath");
+ if(adpath && adpath->val.type == TS_STRING) {
+ info_log("adding data path: %s\n", adpath->val.str);
+ datamap_set_path(adpath->val.str);
+ }
+
+ // walkmesh
+ char *walkmesh_regexp = 0;
+ struct ts_attr *awmesh = attr_inscope(node, "walkmesh");
+ if(awmesh && awmesh->val.type == TS_STRING) {
+ walkmesh_regexp = awmesh->val.str;
+ }
+
+ int namesz = datamap_lookup(fname, 0, 0);
+ char *namebuf = (char*)alloca(namesz + 1);
+ if(datamap_lookup(fname, namebuf, namesz + 1)) {
+ fname = namebuf;
+ }
+
+ Scene *newscn = new Scene(scn->texset);
+ if(!(newscn->load(fname, SCNLOAD_FLIPTEX))) { // TODO unhardcode FLIPTEX
+ return false;
+ }
+
+ // extract the walk mesh if necessary
+ Scene *wscn;
+ if(walkmesh_regexp && (wscn = newscn->extract_nodes(walkmesh_regexp))) {
+ // apply all transformations to the meshes
+ wscn->apply_xform();
+
+ int nmeshes = wscn->meshes.size();
+ for(int i=0; i<nmeshes; i++) {
+ Mesh *m = wscn->meshes[i];
+
+ if(newscn->walk_mesh) {
+ newscn->walk_mesh->append(*m);
+ } else {
+ newscn->walk_mesh = m;
+ wscn->remove_mesh(m); // to save it from destruction
+ }
}
- int namesz = datamap_lookup(fname, 0, 0);
- char *namebuf = (char*)alloca(namesz + 1);
- if(datamap_lookup(fname, namebuf, namesz + 1)) {
- fname = namebuf;
+ delete wscn;
+ }
+
+ // perform material edits
+ struct ts_node *child = node->child_list;
+ while(child) {
+ proc_mtledit(newscn, child); // ignores any non-mtledit nodes, no need to check
+ child = child->next;
+ }
+
+ scn->merge(newscn);
+ delete newscn;
+ }
+ //datamap_reset(); // TODO this should be push/pop instead of hard reset
+
+ return true;
+}
+
+static void mtledit(Material *mtl, TextureSet *texset, struct ts_node *node)
+{
+ node = node->child_list;
+ while(node) {
+ struct ts_node *cn = node;
+ node = node->next;
+
+ if(strcmp(cn->name, "texture") == 0) {
+ // add/change/remove a texture
+ struct ts_attr *atype = ts_get_attr(cn, "type");
+ struct ts_attr *afile = ts_get_attr(cn, "file");
+
+ int textype = MTL_TEX_DIFFUSE;
+ if(atype) {
+ if(atype->val.type == TS_STRING) {
+ textype = mtl_parse_type(atype->val.str);
+ } else if(atype->val.type == TS_NUMBER) {
+ textype = atype->val.inum;
+ if(textype < 0 || textype >= NUM_MTL_TEXTURES) {
+ error_log("invalid texture in mtledit: %d\n", textype);
+ continue;
+ }
+ } else {
+ error_log("unexpected texture type in mtledit: %s\n", atype->val.str);
+ continue;
+ }
}
- if(!(scn->load(fname, SCNLOAD_FLIPTEX))) {
- return false;
+ if(!afile || !afile->val.str || !*afile->val.str) {
+ // remove
+ mtl->textures[textype] = 0;
+ } else {
+ Texture *tex = texset->get_texture(afile->val.str, TEX_2D);
+ mtl->add_texture(tex, textype);
}
}
- datamap_reset();
+ // TODO add more edit modes
+ }
+}
- } else if(strcmp(node->name, "remap") == 0) {
- const char *match = ts_get_attr_str(node, "match");
- const char *replace = ts_get_attr_str(node, "replace");
- if(match && replace) {
- datamap_map(match, replace);
+static bool proc_mtledit(Scene *scn, struct ts_node *node)
+{
+ if(strcmp(node->name, "mtledit") != 0) {
+ return false;
+ }
+
+ const char *mtl_regexp = ".*";
+ struct ts_attr *amtl = ts_get_attr(node, "material");
+ if(amtl && amtl->val.type == TS_STRING) {
+ mtl_regexp = amtl->val.str;
+ }
+
+ // search all the objects to find matching material names
+ std::regex re{mtl_regexp};
+
+ int nobj = scn->objects.size();
+ for(int i=0; i<nobj; i++) {
+ Object *obj = scn->objects[i];
+ if(std::regex_match(obj->get_name(), re)) {
+ mtledit(&obj->mtl, scn->texset, node);
}
}
}
return attr;
}
+
+static void print_scene_graph(SceneNode *n, int level)
+{
+ if(!n) return;
+
+ for(int i=0; i<level; i++) {
+ info_log(" ");
+ }
+
+ int nobj = n->get_num_objects();
+ if(nobj) {
+ info_log("%s - %d obj\n", n->get_name(), n->get_num_objects());
+ } else {
+ info_log("%s\n", n->get_name());
+ }
+
+ for(int i=0; i<n->get_num_children(); i++) {
+ print_scene_graph(n->get_child(i), level + 1);
+ }
+}