From e4e2f2d2a7b6a282b9618aa0004d9453936f43c6 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Sun, 18 Feb 2018 15:25:52 -0500
Subject: Added player death and event scheduling

Also added ability to make sprites flicker, to freeze physics for an entity, and to freeze progression of a sprite's animation loop.
---
 src/systems/scheduling.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/systems/scheduling.cpp

(limited to 'src/systems/scheduling.cpp')

diff --git a/src/systems/scheduling.cpp b/src/systems/scheduling.cpp
new file mode 100644
index 0000000..220efae
--- /dev/null
+++ b/src/systems/scheduling.cpp
@@ -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));
+}
-- 
cgit 1.4.1