Added ConstContext for drawing systems

This whole ongoing refactoring process is meant to better understand
relationships between Battle, Simulation and Systems.

1 files changed, 23 insertions, 2 deletions

diff --git a/engine/src/Context.cpp b/engine/src/Context.cpp
index eeec938..8c81c89 100644
--- a/engine/src/Context.cpp
+++ b/engine/src/Context.cpp
@@ -3,6 +3,7 @@
 #include <entt/entity/registry.hpp>
 #include <entt/signal/dispatcher.hpp>
 
+#include <kurator/engine/Camera.h>
 #include <kurator/engine/Clock.h>
 
 
@@ -12,10 +13,30 @@ namespace engine
 {
 
 
-Context::Context(entt::registry& registry_, entt::dispatcher& dispatcher_, Clock& clock_) :
+Context::Context(entt::registry& registry_, entt::dispatcher& dispatcher_, Clock& clock_, Camera& camera_) :
 	registry {registry_},
 	dispatcher {dispatcher_},
-	clock {clock_}
+	clock {clock_},
+	camera {camera_}
+{
+}
+
+
+Context::operator ConstContext() const
+{
+	return ConstContext{registry, dispatcher, clock, camera};
+}
+
+
+ConstContext::ConstContext(
+	const entt::registry& registry_,
+	const entt::dispatcher& dispatcher_,
+	const Clock& clock_,
+	const Camera& camera_) :
+	registry {registry_},
+	dispatcher {dispatcher_},
+	clock {clock_},
+	camera {camera_}
 {
 }