Asset manager refactor begin.

src/engine/engine.c

@@ -10,7 +10,7 @@
 #include "time/time.h"
 #include "console/console.h"
 #include "display/display.h"
-#include "asset/asset.h"
+#include "asset/assetmanager.h"
 #include "rpg/rpg.h"
 
 engine_t ENGINE;
@@ -22,7 +22,7 @@ errorret_t engineInit(void) {
   // Init systems. Order is important.
   timeInit();
   consoleInit();
-  errorChain(assetInit());
+  errorChain(assetManagerInit());
   errorChain(displayInit());
   rpgInit();
 
@@ -39,7 +39,7 @@ errorret_t engineUpdate(void) {
 
 errorret_t engineDispose(void) {
   errorChain(displayDispose());
-  assetDispose();
+  assetManagerDispose();
   consoleDispose();
 
   errorOk();