38b5cb0c77
ported from -js: eb6c6596c6a7a61363d30356674e0002153b1d19 `altitude` was a terribly-named variable that was used to indirectly control the fov. This should eliminate some confusion. `altitude` was equivalent to `cameraToCenterDistance / height`
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
#include <mbgl/style/layers/custom_layer_impl.hpp>
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#include <mbgl/renderer/bucket.hpp>
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#include <mbgl/map/transform_state.hpp>
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namespace mbgl {
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namespace style {
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CustomLayer::Impl::Impl(const std::string& id_,
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CustomLayerInitializeFunction initializeFn_,
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CustomLayerRenderFunction renderFn_,
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CustomLayerDeinitializeFunction deinitializeFn_,
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void* context_) {
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id = id_;
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initializeFn = initializeFn_;
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renderFn = renderFn_;
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deinitializeFn = deinitializeFn_;
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context = context_;
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}
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CustomLayer::Impl::Impl(const CustomLayer::Impl& other)
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: Layer::Impl(other) {
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id = other.id;
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// Don't copy anything else.
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}
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CustomLayer::Impl::~Impl() = default;
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std::unique_ptr<Layer> CustomLayer::Impl::clone() const {
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return std::make_unique<CustomLayer>(*this);
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}
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std::unique_ptr<Layer> CustomLayer::Impl::cloneRef(const std::string&) const {
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assert(false);
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return std::make_unique<CustomLayer>(*this);
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}
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void CustomLayer::Impl::initialize() {
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assert(initializeFn);
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initializeFn(context);
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}
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void CustomLayer::Impl::deinitialize() {
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if (deinitializeFn) {
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deinitializeFn(context);
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}
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}
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void CustomLayer::Impl::render(const TransformState& state) const {
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assert(renderFn);
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CustomLayerRenderParameters parameters;
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parameters.width = state.getSize().width;
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parameters.height = state.getSize().height;
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parameters.latitude = state.getLatLng().latitude;
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parameters.longitude = state.getLatLng().longitude;
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parameters.zoom = state.getZoom();
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parameters.bearing = -state.getAngle() * util::RAD2DEG;
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parameters.pitch = state.getPitch();
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parameters.fieldOfView = state.getFieldOfView();
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renderFn(context, parameters);
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}
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bool CustomLayer::Impl::evaluate(const PropertyEvaluationParameters&) {
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passes = RenderPass::Translucent;
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return false;
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}
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std::unique_ptr<Bucket> CustomLayer::Impl::createBucket(BucketParameters&, const GeometryTileLayer&) const {
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return nullptr;
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}
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} // namespace style
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} // namespace mbgl
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