X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fmetascene.cc;h=e0b2b205137ebff222926101ff7e358229feb041;hp=399295f3a8a79012f4841f3dce6d136caad37c68;hb=12e70d8b9c2d5c81500d7631b9db5d17a34fe918;hpb=26c1717925471539b9745cce6275b218a47147cd

diff --git a/src/metascene.cc b/src/metascene.cc
index 399295f..e0b2b20 100644
--- a/src/metascene.cc
+++ b/src/metascene.cc
@@ -102,7 +102,8 @@ static bool proc_node(MetaScene *mscn, struct ts_node *node)
 
 
 struct SceneData {
-	std::string walkmesh_regexp;
+	MetaScene *meta;
+	std::string walkmesh_regexp, spawn_regexp;
 	std::vector<MaterialEdit> mtledit;
 };
 
@@ -111,6 +112,7 @@ static bool proc_scenefile(MetaScene *mscn, struct ts_node *node)
 	const char *fname = ts_get_attr_str(node, "file");
 	if(fname) {
 		SceneData *sdat = new SceneData;
+		sdat->meta = mscn;
 
 		// datapath
 		struct ts_attr *adpath = attr_inscope(node, "datapath");
@@ -125,6 +127,28 @@ static bool proc_scenefile(MetaScene *mscn, struct ts_node *node)
 			sdat->walkmesh_regexp = std::string(awmesh->val.str);
 		}
 
+		// spawn node
+		struct ts_attr *awspawn = attr_inscope(node, "spawn");
+		if(awspawn) {
+			switch(awspawn->val.type) {
+			case TS_VECTOR:
+				mscn->start_pos = Vec3(awspawn->val.vec[0], awspawn->val.vec[1],
+						awspawn->val.vec[2]);
+				break;
+
+			case TS_STRING:
+			default:
+				sdat->spawn_regexp = std::string(awspawn->val.str);
+			}
+		}
+		if((awspawn = attr_inscope(node, "spawn_rot")) && awspawn->val.type == TS_VECTOR) {
+			Quat rot;
+			rot.rotate(Vec3(1, 0, 0), deg_to_rad(awspawn->val.vec[0]));
+			rot.rotate(Vec3(0, 1, 0), deg_to_rad(awspawn->val.vec[1]));
+			rot.rotate(Vec3(0, 0, 1), deg_to_rad(awspawn->val.vec[2]));
+			mscn->start_rot = rot;
+		}
+
 		int namesz = mscn->datamap.lookup(fname, 0, 0);
 		char *namebuf = (char*)alloca(namesz + 1);
 		if(mscn->datamap.lookup(fname, namebuf, namesz + 1)) {
@@ -184,6 +208,30 @@ bool MetaScene::scene_loaded(Scene *newscn)
 		delete wscn;
 	}
 
+	// extract the spawn node
+	if(!sdat->spawn_regexp.empty() && (wscn = newscn->extract_nodes(sdat->spawn_regexp.c_str()))) {
+
+		int nmeshes = wscn->meshes.size();
+		int nnodes = wscn->nodes ? wscn->nodes->get_num_children() : 0;
+
+		if(nmeshes) {
+			Vec3 pos;
+			for(int i=0; i<nmeshes; i++) {
+				const Sphere &bsph = wscn->meshes[i]->get_bsphere();
+				pos += bsph.center;
+			}
+			pos /= (float)nmeshes;
+			sdat->meta->start_pos = pos;
+
+		} else if(nnodes) {
+			// just use the first one
+			SceneNode *first = wscn->nodes->get_child(0);
+			sdat->meta->start_pos = first->get_position();
+			sdat->meta->start_rot = first->get_rotation();
+		}
+		delete wscn;
+	}
+
 	int num_medits = sdat->mtledit.size();
 	for(int i=0; i<num_medits; i++) {
 		// perform material edits