first-pass update camera

1 files changed, 16 insertions, 0 deletions

diff --git a/src/camera.cpp b/src/camera.cpp
index f033824..3982642 100644
--- a/src/camera.cpp
+++ b/src/camera.cpp
@@ -124,6 +124,22 @@ void PkeCamera_DetachFromInstance(CameraHandle cameraHandle, CompInstance *inst)
 	cam.stale = PKE_CAMERA_STALE_POSROT;
 }
 
+void PkeCamera_SetPrimary(CameraHandle cameraHandle) {
+	assert(cameraHandle != CameraHandle_MAX);
+	auto &primaryCam = Camera_BucketContainer.buckets[cameraHandle.bucketIndex][cameraHandle.itemIndex];
+	for (PkeHandleBucketIndex_T b = 0; b <= Camera_BucketContainer.pkeHandle.bucketIndex; ++b) {
+		auto &bkt = Camera_BucketContainer.buckets[b];
+		long itemCount = Camera_BucketContainer.pkeHandle.bucketIndex == b ? Camera_BucketContainer.pkeHandle.itemIndex : Camera_BucketContainer.limits.itemIndex;
+		for (PkeHandleItemIndex_T i = 0; i < itemCount; ++i) {
+			auto *cam = &bkt[i];
+			if (cam->parentHandle != primaryCam.parentHandle) {
+				continue;
+			}
+			cam->isPrimary = cam->camHandle == cameraHandle;
+		}
+	}
+}
+
 void PkeCamera_Destroy(CameraHandle cameraHandle) {
 	assert(cameraHandle != CameraHandle_MAX);
 	auto *camPtr = &Camera_BucketContainer.buckets[cameraHandle.bucketIndex][cameraHandle.itemIndex];