Add area and flag on physics

src/duskrpg/game/game.c

@@ -34,6 +34,19 @@ errorret_t gameInit(void) {
   assetUnlockEntry(sceneEntry);
   errorChain(ret);
 
+  // Test-only: print a debug message whenever an entity enters "testArea"
+  // (see assets/scenes/test.json), exercising the TRIGGER component.
+  entitymanager_t *mgr = sceneGetEntities(testSceneId);
+  entityid_t testAreaEntity = entityFindByName(mgr, "testArea");
+  if(testAreaEntity != ENTITY_ID_INVALID) {
+    componentid_t testAreaTrig = entityGetComponent(
+      mgr, testAreaEntity, COMPONENT_TYPE_TRIGGER
+    );
+    entityTriggerOnEnterAdd(
+      mgr, testAreaEntity, testAreaTrig, gameTestAreaOnEnter, NULL
+    );
+  }
+
   sceneSetActive(testSceneId);
   errorOk();
 }
@@ -45,3 +58,14 @@ errorret_t gameUpdate(void) {
 errorret_t gameDispose(void) {
   errorOk();
 }
+
+void gameTestAreaOnEnter(
+  entitymanager_t *mgr,
+  const entityid_t triggerEntityId,
+  const componentid_t triggerComponentId,
+  const entityid_t otherEntityId,
+  const componentid_t otherComponentId,
+  void *user
+) {
+  logDebug("testArea: entity %d entered", otherEntityId);
+}