X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fmetascene.cc;h=a45bfec2f57dd0e511cec7a64e027a2ec12bd999;hp=a85b65ef6711d8988c41bb8c45c06b3c0893d9a1;hb=9480e20f4de41693ebd1f22e63d3bcecde878f70;hpb=82367657a8ac442b29c1dad51c91e64a48e0671d

diff --git a/src/metascene.cc b/src/metascene.cc
index a85b65e..a45bfec 100644
--- a/src/metascene.cc
+++ b/src/metascene.cc
@@ -203,7 +203,7 @@ Scene *MetaScene::extract_nodes(const char *qstr)
 
 int MetaScene::calc_mirror_planes()
 {
-	std::vector<Vec4> world_planes;
+	FlatMirror *planes = 0;
 
 	int num_mirrors = 0;
 	while(mirrors) {
@@ -241,33 +241,44 @@ int MetaScene::calc_mirror_planes()
 				} else {
 					int plane_idx = obj->mtl.flat_mirror - MTL_MIRROR_AABB_PX;
 					mir->plane = obj->get_aabox().get_plane(plane_idx);
-					debug_log("mirror plane: p(%f %f %f) n(%f %f %f)\n", mir->plane.pt.x, mir->plane.pt.y,
-							mir->plane.pt.z, mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z);
 				}
 
-				float pdist = dot(mir->plane.normal, mir->plane.pt);
-				Vec4 plane_eq = Vec4(mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z, pdist);
-
+				mir->wplane = mir->plane;
 				if(obj->node) {
-					plane_eq = obj->node->get_matrix() * plane_eq;
+					const Mat4 &xform = obj->node->get_matrix();
+					mir->wplane.pt = xform * mir->wplane.pt;
+					mir->wplane.normal = normalize(xform.upper3x3() * mir->wplane.normal);
 				}
 
 				// check to see if we have found this mirror plane already
 				bool found = false;
-				int nplanes = world_planes.size();
-				for(int k=0; k<nplanes; k++) {
-					if(1.0f - dot(plane_eq.xyz(), world_planes[k].xyz()) < 1e-4f &&
-							fabs(plane_eq.w - world_planes[k].w) < 1e-4) {
+				FlatMirror *node = planes;
+				while(node) {
+					float d1 = dot(mir->wplane.normal, mir->wplane.pt);
+					float d2 = dot(node->wplane.normal, node->wplane.pt);
+
+					if(1.0f - dot(mir->wplane.normal, node->wplane.normal) < 1e-4f &&
+							fabs(d1 - d2) < 1e-4) {
 						found = true;
 						break;
 					}
+					node = node->next;
 				}
 
+				debug_log("[%s@%s] mirror plane: local(%g %g %g %g), world(%g %g %g %g)%s\n",
+						obj->get_name(), obj->node ? obj->node->get_name() : "<no-node>",
+						mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z,
+						dot(mir->plane.normal, mir->plane.pt), mir->wplane.normal.x, mir->wplane.normal.y,
+						mir->wplane.normal.z, dot(mir->wplane.normal, mir->wplane.pt), found ? " duplicate" : "");
+
 				if(!found) {
 					mir->next = mirrors;
 					mirrors = mir;
 
-					world_planes.push_back(plane_eq);
+					node = new FlatMirror;
+					node->wplane = mir->wplane;
+					node->next = planes;
+					planes = node;
 
 					mir->objects.push_back(obj);
 					objmirror[obj] = mir;	// associate with object
@@ -279,6 +290,12 @@ int MetaScene::calc_mirror_planes()
 		}
 	}
 
+	while(planes) {
+		FlatMirror *tmp = planes;
+		planes = planes->next;
+		delete tmp;
+	}
+
 	return num_mirrors;
 }