semaphores controllable on minimap

widgets/map_objects.cpp

@@ -1,4 +1,27 @@
 #include "widgets/map_objects.h"
 
-std::vector<std::shared_ptr<map::semaphore>> map::Semaphores;
-std::vector<std::shared_ptr<map::track_switch>> map::Switches;
+map::objects map::Objects;
+
+map::sorted_object_list map::objects::find_in_range(glm::vec3 from, float distance)
+{
+	sorted_object_list items;
+
+	float max_distance2 = distance * distance;
+
+	for (auto const entry : entries) {
+		glm::vec3 entry_location = entry->location;
+		glm::vec3 search_point = from;
+
+		if (glm::isnan(from.y)) {
+			entry_location.y = 0.0f;
+			search_point.y = 0.0f;
+		}
+
+		float dist = glm::distance2(entry_location, search_point);
+		if (dist < max_distance2) {
+			items.emplace(dist, std::move(entry));
+		}
+	}
+
+	return items;
+}