Added systems support

1 files changed, 17 insertions, 3 deletions

diff --git a/src/storage.h b/src/storage.h
index f7f5cd9..2601ef7 100644
--- a/src/storage.h
+++ b/src/storage.h
@@ -19,22 +19,30 @@
 #define REGISTER_COMPONENT(storage, componentType) internal_registerComponent(storage, #componentType, sizeof(componentType))
 #define ADD_COMPONENT(storage, idx, componentType) internal_addComponent(storage, idx, #componentType)
 
+typedef struct storage_t storage_t;
 typedef unsigned int entity_t;
+typedef void (*system_t)(storage_t *storage, entity_t eid);
 
 typedef struct
 {
+	int idx;
 	const char *name;
 	size_t objectSize;
 	char *objects;
 } component_pair_t;
 
-typedef struct
+struct storage_t
 {
 	unsigned int componentsStored;
-	unsigned int objectsStored;
+
+	size_t objectsStored;
 	component_pair_t *objects;
 	bitarena_t objectSignatures;
-} storage_t;
+
+	size_t systemsStored;
+	system_t *systems;
+	bitarena_t systemSignatures;
+};
 
 component_pair_t * // NULL if pair is not found
 findPair(storage_t *this, const char *name);
@@ -42,6 +50,12 @@ findPair(storage_t *this, const char *name);
 entity_t
 createEntity(storage_t *this);
 
+void
+registerSystem(storage_t *storage, system_t system, bitset_t components);
+
+bitset_t
+createSignature(storage_t *storage, char **components);
+
 // Not intended for use outside of macros
 void
 internal_registerComponent(storage_t *storage, const char *name, size_t size);