pke: camera can track a given target

1 files changed, 15 insertions, 1 deletions

diff --git a/src/entities.cpp b/src/entities.cpp
index e955578..0fa5cf2 100644
--- a/src/entities.cpp
+++ b/src/entities.cpp
@@ -102,7 +102,7 @@ EntityType *EntityType_FindByTypeCode(const char *typeCode) {
 	return nullptr;
 }
 
-EntityType *EntityType_FindByEntityHandle(EntityHandle handle) {
+EntityType *EntityType_FindByEntityHandle_Inner(EntityHandle handle) {
 	if (handle == EntityHandle_MAX) return nullptr;
 	for (pk_handle_bucket_index_T b = 0; b <= EntityType_BC.pkeHandle.bucketIndex; ++b) {
 		auto &bkt = EntityType_BC.buckets[b];
@@ -116,6 +116,20 @@ EntityType *EntityType_FindByEntityHandle(EntityHandle handle) {
 	}
 	return nullptr;
 }
+EntityType *EntityType_FindByEntityHandle(EntityHandle handle) {
+	Entity_Base *base_entity;
+	EntityType *ret = nullptr;
+	EntityHandle h = handle;
+	while (ret == nullptr) {
+		ret = EntityType_FindByEntityHandle_Inner(h);
+		if (ret != nullptr) return ret;
+		base_entity = ECS_GetEntity(h);
+		if (base_entity == nullptr) break;
+		h = base_entity->parentHandle;
+		if (h == EntityHandle_MAX) break;
+	}
+	return nullptr;
+}
 
 void CalculateCombinedMemReqs(uint64_t memReqsCount, VkMemoryRequirements *memReqs, VkMemoryRequirements &combinedMemReqs) {
 	combinedMemReqs.size = 0;