More ranges stuff! Now with custom views

1 files changed, 62 insertions, 0 deletions

@@ -0,0 +1,62 @@
+#ifndef VIEWS_H_98651096
+#define VIEWS_H_98651096
+
+#include "entity.h"
+#include <range/v3/all.hpp>
+
+namespace views {
+
+  inline auto isMoving()
+  {
+    return ranges::view::filter([] (const Entity& entity) {
+      return entity.moving;
+    });
+  }
+
+  inline auto isNotMoving()
+  {
+    return ranges::view::filter([] (const Entity& entity) {
+      return !entity.moving;
+    });
+  }
+
+  inline auto isControllable()
+  {
+    return ranges::view::filter([] (const Entity& entity) {
+      return entity.controllable;
+    });
+  }
+
+  inline auto isTrack()
+  {
+    return ranges::view::filter([] (const Entity& entity) {
+      return entity.isTrack;
+    });
+  }
+
+  inline auto isScheduled()
+  {
+    return ranges::view::filter([] (const Entity& entity) {
+      return entity.scheduled;
+    });
+  }
+
+  inline auto isOnLayer(Layer layer)
+  {
+    return ranges::view::filter([layer] (const Entity& entity) {
+      return entity.layer == layer;
+    });
+  }
+
+  inline auto canBePushedBy(ColliderType ctype)
+  {
+    return ranges::view::filter([ctype] (const Entity& entity) {
+      return entity.canBePushedBy.count(ctype);
+    });
+  }
+
+
+
+}
+
+#endif /* end of include guard: VIEWS_H_98651096 */