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chore: add nested PickCallbackHandler to Gizmo

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This commit is contained in:
Nick Fisher
2024-09-05 17:41:24 +08:00
parent 2331f2c31a
commit f0f97e310c
2 changed files with 27 additions and 12 deletions
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24
thermion_dart/native/include/Gizmo.hpp
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@@ -31,6 +31,30 @@ class Gizmo {
enum Axis { X, Y, Z};
class PickCallbackHandler {
public:
PickCallbackHandler(Gizmo* gizmo, void (*callback)(EntityId entityId, int x, int y)) : _gizmo(gizmo), _callback(callback) {};
void handle(filament::View::PickingQueryResult const &result) {
auto x = static_cast<int32_t>(result.fragCoords.x);
auto y= static_cast<int32_t>(result.fragCoords.y);
for(int i = 4; i < 7; i++) {
if(_gizmo->_entities[i] == result.renderable) {
_gizmo->highlight(_gizmo->_entities[i - 4]);
_callback(Entity::smuggle(_gizmo->_entities[i - 4]), x, y);
return;
}
}
_gizmo->unhighlight();
_callback(0, x, y);
delete(this);
}
private:
Gizmo* _gizmo;
void (*_callback)(EntityId entityId, int x, int y);
};
public:
Gizmo(Engine& engine, View *view, Scene *scene);
~Gizmo();

15
thermion_dart/native/src/Gizmo.cpp
View File

@@ -359,20 +359,11 @@ void Gizmo::destroy()
_engine.destroy(_material);
}
void Gizmo::pick(uint32_t x, uint32_t y, void (*callback)(EntityId entityId, int x, int y))
{
auto * gizmo = this;
_view->pick(x, y, [=](filament::View::PickingQueryResult const &result) {
for(int i = 4; i < 7; i++) {
if(_entities[i] == result.renderable) {
gizmo->highlight(_entities[i - 4]);
callback(Entity::smuggle(_entities[i - 4]), x, y);
return;
}
}
gizmo->unhighlight();
callback(0, x, y);
auto handler = new Gizmo::PickCallbackHandler(this, callback);
_view->pick(x, y, [=](filament::View::PickingQueryResult const &result) {
handler->handle(result);
});
}