Merge pull request #7 from hatkirby/es-rewrite

The ECS rewrite exceeds the original branch in functionality, so it is time to merge it in.

1 files changed, 54 insertions, 0 deletions

@@ -0,0 +1,54 @@
+#include "scheduling.h"
+#include "game.h"
+#include "components/schedulable.h"
+#include "util.h"
+
+void SchedulingSystem::tick(double dt)
+{
+  auto entities = game_.getEntityManager().getEntitiesWithComponents<
+    SchedulableComponent>();
+
+  for (id_type entity : entities)
+  {
+    auto& schedulable = game_.getEntityManager().
+      getComponent<SchedulableComponent>(entity);
+
+    for (auto& action : schedulable.actions)
+    {
+      std::get<0>(action) -= dt;
+
+      if (std::get<0>(action) < 0)
+      {
+        std::get<1>(action)(entity);
+      }
+    }
+
+    erase_if(schedulable.actions,
+      [] (const SchedulableComponent::Action& action) {
+        return (std::get<0>(action) < 0);
+      });
+
+    if (schedulable.actions.empty())
+    {
+      game_.getEntityManager().removeComponent<SchedulableComponent>(entity);
+    }
+  }
+}
+
+void SchedulingSystem::schedule(
+  id_type entity,
+  double length,
+  std::function<void(id_type)> action)
+{
+  if (!game_.getEntityManager().hasComponent<SchedulableComponent>(entity))
+  {
+    game_.getEntityManager().emplaceComponent<SchedulableComponent>(entity);
+  }
+
+  auto& schedulable = game_.getEntityManager().
+    getComponent<SchedulableComponent>(entity);
+
+  schedulable.actions.emplace_back(
+    length,
+    std::move(action));
+}