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feat: add camera culling masks

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ssdfasd
2026-04-01 01:42:06 +08:00
parent 51736253e3
commit 0fe02fd1b4
9 changed files with 81 additions and 3 deletions
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3
engine/src/Components/CameraComponent.cpp
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@@ -34,6 +34,7 @@ void CameraComponent::Serialize(std::ostream& os) const {
os << "depth=" << m_depth << ";";
os << "primary=" << (m_primary ? 1 : 0) << ";";
os << "clearMode=" << static_cast<int>(m_clearMode) << ";";
os << "cullingMask=" << m_cullingMask << ";";
os << "clearColor=" << m_clearColor.r << "," << m_clearColor.g << "," << m_clearColor.b << "," << m_clearColor.a << ";";
}
@@ -68,6 +69,8 @@ void CameraComponent::Deserialize(std::istream& is) {
m_primary = (std::stoi(value) != 0);
} else if (key == "clearMode") {
m_clearMode = static_cast<CameraClearMode>(std::stoi(value));
} else if (key == "cullingMask") {
m_cullingMask = static_cast<uint32_t>(std::stoul(value));
} else if (key == "clearColor") {
std::replace(value.begin(), value.end(), ',', ' ');
std::istringstream ss(value);

6
engine/src/Components/GameObject.cpp
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@@ -317,6 +317,7 @@ void GameObject::Destroy() {
void GameObject::Serialize(std::ostream& os) const {
os << "name=" << m_name << ";";
os << "active=" << (m_activeSelf ? "1" : "0") << ";";
os << "layer=" << static_cast<uint32_t>(m_layer) << ";";
os << "id=" << m_id << ";";
os << "uuid=" << m_uuid << ";";
os << "transform=";
@@ -346,6 +347,11 @@ void GameObject::Deserialize(std::istream& is) {
is.get(val);
m_activeSelf = (val == '1');
if (is.peek() == ';') is.get();
} else if (strcmp(key, "layer") == 0) {
uint32_t layer = 0;
is >> layer;
SetLayer(static_cast<uint8_t>(layer));
if (is.peek() == ';') is.get();
} else if (strcmp(key, "id") == 0) {
is >> m_id;
if (is.peek() == ';') is.get();

13
engine/src/Rendering/RenderSceneExtractor.cpp
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@@ -64,10 +64,11 @@ RenderSceneData RenderSceneExtractor::Extract(
sceneData.cameraData = BuildCameraData(*sceneData.camera, viewportWidth, viewportHeight);
const Math::Vector3 cameraPosition = sceneData.cameraData.worldPosition;
const uint32_t cullingMask = sceneData.camera->GetCullingMask();
const std::vector<Components::GameObject*> rootGameObjects = scene.GetRootGameObjects();
for (Components::GameObject* rootGameObject : rootGameObjects) {
ExtractVisibleItems(rootGameObject, cameraPosition, sceneData.visibleItems);
ExtractVisibleItems(rootGameObject, cameraPosition, cullingMask, sceneData.visibleItems);
}
std::stable_sort(
@@ -92,10 +93,11 @@ RenderSceneData RenderSceneExtractor::ExtractForCamera(
sceneData.camera = &camera;
sceneData.cameraData = BuildCameraData(camera, viewportWidth, viewportHeight);
const Math::Vector3 cameraPosition = sceneData.cameraData.worldPosition;
const uint32_t cullingMask = camera.GetCullingMask();
const std::vector<Components::GameObject*> rootGameObjects = scene.GetRootGameObjects();
for (Components::GameObject* rootGameObject : rootGameObjects) {
ExtractVisibleItems(rootGameObject, cameraPosition, sceneData.visibleItems);
ExtractVisibleItems(rootGameObject, cameraPosition, cullingMask, sceneData.visibleItems);
}
std::stable_sort(
@@ -224,15 +226,20 @@ void RenderSceneExtractor::ExtractLighting(
void RenderSceneExtractor::ExtractVisibleItems(
Components::GameObject* gameObject,
const Math::Vector3& cameraPosition,
uint32_t cullingMask,
std::vector<VisibleRenderItem>& visibleItems) const {
if (gameObject == nullptr || !gameObject->IsActiveInHierarchy()) {
return;
}
const uint32_t gameObjectLayerMask = 1u << gameObject->GetLayer();
const bool isVisibleInCameraMask = (cullingMask & gameObjectLayerMask) != 0;
auto* meshFilter = gameObject->GetComponent<Components::MeshFilterComponent>();
auto* meshRenderer = gameObject->GetComponent<Components::MeshRendererComponent>();
if (meshFilter != nullptr &&
meshRenderer != nullptr &&
isVisibleInCameraMask &&
meshFilter->IsEnabled() &&
meshRenderer->IsEnabled()) {
Resources::Mesh* mesh = meshFilter->GetMesh();
@@ -279,7 +286,7 @@ void RenderSceneExtractor::ExtractVisibleItems(
}
for (Components::GameObject* child : gameObject->GetChildren()) {
ExtractVisibleItems(child, cameraPosition, visibleItems);
ExtractVisibleItems(child, cameraPosition, cullingMask, visibleItems);
}
}