X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fscene.cc;h=10304f69849ff3a80531284eb5b71178ca8067ae;hp=0d23930839bdba9b3e91604a526436cc43aee183;hb=9480e20f4de41693ebd1f22e63d3bcecde878f70;hpb=dbcb9345c23c5c027d808915962843e7db2d14aa

diff --git a/src/scene.cc b/src/scene.cc
index 0d23930..10304f6 100644
--- a/src/scene.cc
+++ b/src/scene.cc
@@ -1,22 +1,20 @@
 #include <regex>
 #include "scene.h"
 #include "objmesh.h"
+#include "app.h"
+#include "dbg_gui.h"
 
 static void destroy_node_tree(SceneNode *n);
 
-Scene::Scene(TextureSet *tset)
+Scene::Scene()
 {
+	metascn = 0;
 	nodes = 0;
 
 	walk_mesh = 0;
 
-	if(tset) {
-		texset = tset;
-		own_texset = false;
-	} else {
-		texset = new TextureSet;
-		own_texset = true;
-	}
+	texset = 0;
+	loader_data = 0;
 }
 
 Scene::~Scene()
@@ -26,6 +24,17 @@ Scene::~Scene()
 
 void Scene::destroy()
 {
+	clear();
+
+	metascn = 0;
+	texset = 0;
+	loader_data = 0;
+
+	datamap.clear();
+}
+
+void Scene::clear()
+{
 	destroy_node_tree(nodes);
 	nodes = 0;
 
@@ -41,11 +50,6 @@ void Scene::destroy()
 		delete objects[i];
 	}
 	objects.clear();
-
-	if(own_texset) {
-		delete texset;
-	}
-	texset = 0;
 }
 
 static void destroy_node_tree(SceneNode *n)
@@ -61,6 +65,50 @@ static void destroy_node_tree(SceneNode *n)
 
 // Scene::load defined in sceneload.cc
 
+bool Scene::merge(Scene *scn)
+{
+	if(walk_mesh) {
+		if(scn->walk_mesh) {
+			walk_mesh->append(*scn->walk_mesh);
+			delete scn->walk_mesh;
+			scn->walk_mesh = 0;
+		}
+	} else {
+		walk_mesh = scn->walk_mesh;
+		scn->walk_mesh = 0;
+	}
+
+	int nmeshes = scn->meshes.size();
+	for(int i=0; i<nmeshes; i++) {
+		meshes.push_back(scn->meshes[i]);
+	}
+	scn->meshes.clear();
+
+	int nobj = scn->objects.size();
+	for(int i=0; i<nobj; i++) {
+		objects.push_back(scn->objects[i]);
+	}
+	scn->objects.clear();
+
+	if(nodes) {
+		int nchildren = scn->nodes ? scn->nodes->get_num_children() : 0;
+		for(int i=0; i<nchildren; i++) {
+			SceneNode *n = scn->nodes->get_child(i);
+			scn->nodes->remove_child(n);
+			nodes->add_child(n);
+		}
+		if(scn->nodes && scn->nodes->get_num_objects() > 0) {
+			warning_log("merging with scene which has objects in its root node. these objects will not be merged!\n");
+		}
+		delete scn->nodes;
+	} else {
+		nodes = scn->nodes;
+	}
+	scn->nodes = 0;
+
+	return true;
+}
+
 void Scene::add_object(Object *obj)
 {
 	objects.push_back(obj);
@@ -135,6 +183,35 @@ bool Scene::have_node(SceneNode *n) const
 	return n->scene == this;
 }
 
+/* traverse scene graph and find node by name */
+static SceneNode *find_node_rec(SceneNode *tree, const char *name)
+{
+	if(strcmp(tree->get_name(), name) == 0) {
+		return tree;
+	}
+
+	int num = tree->get_num_children();
+	for(int i=0; i<num; i++) {
+		SceneNode *n = find_node_rec(tree->get_child(i), name);
+		if(n) return n;
+	}
+	return 0;
+}
+
+static SceneNode *find_node_rec(SceneNode *tree, const std::regex &re)
+{
+	if(std::regex_match(tree->get_name(), re)) {
+		return tree;
+	}
+
+	int num = tree->get_num_children();
+	for(int i=0; i<num; i++) {
+		SceneNode *n = find_node_rec(tree->get_child(i), re);
+		if(n) return n;
+	}
+	return 0;
+}
+
 static void find_nodes_rec(std::list<SceneNode*> *res, SceneNode *tree, const std::regex &re)
 {
 	if(std::regex_match(tree->get_name(), re)) {
@@ -147,8 +224,34 @@ static void find_nodes_rec(std::list<SceneNode*> *res, SceneNode *tree, const st
 	}
 }
 
+SceneNode *Scene::find_node(const char *name) const
+{
+	if(!nodes) return 0;
+	return find_node_rec(nodes, name);
+}
+
+SceneNode *Scene::match_node(const char *qstr) const
+{
+	if(!nodes) return 0;
+
+	std::regex re{qstr};
+	return find_node_rec(nodes, re);
+}
+
+std::list<SceneNode*> Scene::match_nodes(const char *qstr) const
+{
+	std::list<SceneNode*> res;
+	if(nodes) {
+		std::regex re{qstr};
+		find_nodes_rec(&res, nodes, re);
+	}
+	return res;
+}
+
 Scene *Scene::extract_nodes(const char *qstr)
 {
+	if(!nodes) return 0;
+
 	std::regex re{qstr};
 
 	std::list<SceneNode*> nodelist;
@@ -157,7 +260,7 @@ Scene *Scene::extract_nodes(const char *qstr)
 		return 0;
 	}
 
-	Scene *res = new Scene(texset);
+	Scene *res = new Scene;
 
 	for(SceneNode *n : nodelist) {