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feat: add getAncestor method

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This commit is contained in:
Nick Fisher
2024-09-08 13:52:04 +08:00
parent b71ba411fd
commit ff304ad3d4
4 changed files with 25 additions and 2 deletions
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1
thermion_dart/native/include/SceneManager.hpp
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@@ -181,6 +181,7 @@ namespace thermion_filament
void addCollisionComponent(EntityId entity, void (*onCollisionCallback)(const EntityId entityId1, const EntityId entityId2), bool affectsCollidingTransform);
void removeCollisionComponent(EntityId entityId);
EntityId getParent(EntityId child);
EntityId getAncestor(EntityId child);
void setParent(EntityId child, EntityId parent, bool preserveScaling);
bool addAnimationComponent(EntityId entity);
void removeAnimationComponent(EntityId entity);

1
thermion_dart/native/include/ThermionDartApi.h
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@@ -251,6 +251,7 @@ extern "C"
EMSCRIPTEN_KEEPALIVE EntityId create_geometry(void *const sceneManager, float *vertices, int numVertices, uint16_t *indices, int numIndices, int primitiveType, const char *materialPath);
EMSCRIPTEN_KEEPALIVE EntityId get_parent(void *const sceneManager, EntityId child);
EMSCRIPTEN_KEEPALIVE EntityId get_ancestor(void *const sceneManager, EntityId child);
EMSCRIPTEN_KEEPALIVE void set_parent(void *const sceneManager, EntityId child, EntityId parent, bool preserveScaling);
EMSCRIPTEN_KEEPALIVE void test_collisions(void *const sceneManager, EntityId entity);
EMSCRIPTEN_KEEPALIVE void set_priority(void *const sceneManager, EntityId entityId, int priority);

21
thermion_dart/native/src/SceneManager.cpp
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@@ -1542,6 +1542,25 @@ namespace thermion_filament
return Entity::smuggle(parent);
}
EntityId SceneManager::getAncestor(EntityId childEntityId)
{
auto &tm = _engine->getTransformManager();
const auto child = Entity::import(childEntityId);
auto transformInstance = tm.getInstance(child);
Entity parent;
while(true) {
auto newParent = tm.getParent(transformInstance);
if(newParent.isNull()) {
break;
}
parent = newParent;
transformInstance = tm.getInstance(parent);
}
return Entity::smuggle(parent);
}
void SceneManager::setParent(EntityId childEntityId, EntityId parentEntityId, bool preserveScaling)
{
auto &tm = _engine->getTransformManager();
@@ -1561,8 +1580,6 @@ namespace thermion_filament
return;
}
Log("Parenting child entity %d to new parent entity %d", childEntityId, parentEntityId);
if (preserveScaling)
{
auto parentTransform = tm.getWorldTransform(parentInstance);

4
thermion_dart/native/src/ThermionDartApi.cpp
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@@ -851,6 +851,10 @@ extern "C"
return ((SceneManager *)sceneManager)->getParent(child);
}
EMSCRIPTEN_KEEPALIVE EntityId get_ancestor(void *const sceneManager, EntityId child) {
return ((SceneManager *)sceneManager)->getAncestor(child);
}
EMSCRIPTEN_KEEPALIVE void set_parent(void *const sceneManager, EntityId child, EntityId parent, bool preserveScaling)
{
((SceneManager *)sceneManager)->setParent(child, parent, preserveScaling);