1119 lines
45 KiB
C++
1119 lines
45 KiB
C++
#include "glfw_view.hpp"
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#include "glfw_backend.hpp"
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#include "glfw_renderer_frontend.hpp"
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#include "ny_route.hpp"
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#include "test_writer.hpp"
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#include <mbgl/annotation/annotation.hpp>
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#include <mbgl/gfx/backend.hpp>
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#include <mbgl/gfx/backend_scope.hpp>
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#include <mbgl/map/camera.hpp>
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#include <mbgl/renderer/renderer.hpp>
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#include <mbgl/style/expression/dsl.hpp>
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#include <mbgl/style/image.hpp>
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#include <mbgl/style/layers/fill_extrusion_layer.hpp>
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#include <mbgl/style/layers/fill_layer.hpp>
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#include <mbgl/style/layers/line_layer.hpp>
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#include <mbgl/style/sources/custom_geometry_source.hpp>
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#include <mbgl/style/sources/geojson_source.hpp>
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#include <mbgl/style/style.hpp>
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#include <mbgl/style/transition_options.hpp>
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/geo.hpp>
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#include <mbgl/util/interpolate.hpp>
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#include <mbgl/util/io.hpp>
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#include <mbgl/util/logging.hpp>
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#include <mbgl/util/platform.hpp>
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#include <mbgl/util/string.hpp>
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4244)
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#pragma warning(disable : 4267)
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#endif
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#include <mapbox/cheap_ruler.hpp>
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#include <mapbox/geometry.hpp>
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#include <mapbox/geojson.hpp>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#if MBGL_USE_GLES2
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#define GLFW_INCLUDE_ES2
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#endif // MBGL_USE_GLES2
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#define GL_GLEXT_PROTOTYPES
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#include <GLFW/glfw3.h>
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#include <cassert>
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#include <cstdlib>
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#include <fstream>
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#include <iostream>
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#include <utility>
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#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL)
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#include <mbgl/style/layers/location_indicator_layer.hpp>
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namespace {
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const std::string mbglPuckAssetsPath{MAPBOX_PUCK_ASSETS_PATH};
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mbgl::Color premultiply(mbgl::Color c) {
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c.r *= c.a;
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c.g *= c.a;
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c.b *= c.a;
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return c;
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}
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std::array<double, 3> toArray(const mbgl::LatLng &crd) {
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return {crd.latitude(), crd.longitude(), 0};
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}
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} // namespace
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#endif
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class SnapshotObserver final : public mbgl::MapSnapshotterObserver {
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public:
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~SnapshotObserver() override = default;
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void onDidFinishLoadingStyle() override {
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if (didFinishLoadingStyleCallback) {
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didFinishLoadingStyleCallback();
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}
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}
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std::function<void()> didFinishLoadingStyleCallback;
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};
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namespace {
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void addFillExtrusionLayer(mbgl::style::Style &style, bool visible) {
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using namespace mbgl::style;
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using namespace mbgl::style::expression::dsl;
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// Satellite-only style does not contain building extrusions data.
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if (!style.getSource("composite")) {
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return;
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}
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if (auto layer = style.getLayer("3d-buildings")) {
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layer->setVisibility(VisibilityType(!visible));
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return;
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}
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auto extrusionLayer = std::make_unique<FillExtrusionLayer>("3d-buildings", "composite");
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extrusionLayer->setSourceLayer("building");
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extrusionLayer->setMinZoom(15.0f);
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extrusionLayer->setFilter(Filter(eq(get("extrude"), literal("true"))));
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extrusionLayer->setFillExtrusionColor(PropertyExpression<mbgl::Color>(interpolate(linear(),
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number(get("height")),
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0.f,
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toColor(literal("#160e23")),
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50.f,
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toColor(literal("#00615f")),
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100.f,
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toColor(literal("#55e9ff")))));
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extrusionLayer->setFillExtrusionOpacity(0.6f);
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extrusionLayer->setFillExtrusionHeight(PropertyExpression<float>(get("height")));
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extrusionLayer->setFillExtrusionBase(PropertyExpression<float>(get("min_height")));
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style.addLayer(std::move(extrusionLayer));
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}
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} // namespace
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void glfwError(int error, const char *description) {
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mbgl::Log::Error(mbgl::Event::OpenGL, "GLFW error (%i): %s", error, description);
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}
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GLFWView::GLFWView(bool fullscreen_, bool benchmark_, const mbgl::ResourceOptions &resourceOptions, const mbgl::ClientOptions &clientOptions)
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: fullscreen(fullscreen_),
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benchmark(benchmark_),
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snapshotterObserver(std::make_unique<SnapshotObserver>()),
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mapResourceOptions(resourceOptions.clone()),
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mapClientOptions(clientOptions.clone()) {
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glfwSetErrorCallback(glfwError);
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std::srand(static_cast<unsigned int>(std::time(nullptr)));
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if (!glfwInit()) {
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mbgl::Log::Error(mbgl::Event::OpenGL, "failed to initialize glfw");
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exit(1);
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}
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GLFWmonitor *monitor = nullptr;
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if (fullscreen) {
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monitor = glfwGetPrimaryMonitor();
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auto videoMode = glfwGetVideoMode(monitor);
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width = videoMode->width;
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height = videoMode->height;
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}
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#if __APPLE__
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glfwWindowHint(GLFW_COCOA_GRAPHICS_SWITCHING, GL_TRUE);
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#endif
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#if MBGL_WITH_EGL
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glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API);
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#endif
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#ifdef DEBUG
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glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
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#endif
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#if MBGL_USE_GLES2
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glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
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#endif
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if (mbgl::gfx::Backend::GetType() != mbgl::gfx::Backend::Type::OpenGL) {
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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}
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glfwWindowHint(GLFW_RED_BITS, 8);
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glfwWindowHint(GLFW_GREEN_BITS, 8);
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glfwWindowHint(GLFW_BLUE_BITS, 8);
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glfwWindowHint(GLFW_ALPHA_BITS, 8);
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glfwWindowHint(GLFW_STENCIL_BITS, 8);
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glfwWindowHint(GLFW_DEPTH_BITS, 16);
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window = glfwCreateWindow(width, height, "Mapbox GL", monitor, nullptr);
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if (!window) {
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glfwTerminate();
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mbgl::Log::Error(mbgl::Event::OpenGL, "failed to initialize window");
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exit(1);
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}
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glfwSetWindowUserPointer(window, this);
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glfwSetCursorPosCallback(window, onMouseMove);
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glfwSetMouseButtonCallback(window, onMouseClick);
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glfwSetWindowSizeCallback(window, onWindowResize);
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glfwSetFramebufferSizeCallback(window, onFramebufferResize);
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glfwSetScrollCallback(window, onScroll);
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glfwSetKeyCallback(window, onKey);
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glfwSetWindowFocusCallback(window, onWindowFocus);
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glfwGetWindowSize(window, &width, &height);
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backend = GLFWBackend::Create(window, benchmark);
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pixelRatio = static_cast<float>(backend->getSize().width) / width;
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glfwMakeContextCurrent(nullptr);
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printf("\n");
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printf("================================================================================\n");
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printf("\n");
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printf("- Press `S` to cycle through bundled styles\n");
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printf("- Press `X` to reset the transform\n");
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printf("- Press `N` to reset north\n");
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printf("- Press `R` to enable the route demo\n");
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printf("- Press `E` to insert an example building extrusion layer\n");
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printf("- Press `O` to toggle online connectivity\n");
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printf("- Press `Z` to cycle through north orientations\n");
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printf("- Press `X` to cycle through the viewport modes\n");
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printf("- Press `I` to delete existing database and re-initialize\n");
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printf("- Press `A` to cycle through Mapbox offices in the world + dateline monument\n");
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printf("- Press `B` to cycle through the color, stencil, and depth buffer\n");
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printf("- Press `D` to cycle through camera bounds: inside, crossing IDL at left, crossing IDL at right, and disabled\n");
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printf("- Press `T` to add custom geometry source\n");
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printf("- Press `F` to enable feature-state demo\n");
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printf("- Press `U` to toggle pitch bounds\n");
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printf("- Press `H` to take a snapshot of a current map.\n");
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printf("- Press `J` to take a snapshot of a current map with an extrusions overlay.\n");
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printf("- Press `Y` to start a camera fly-by demo\n");
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printf("\n");
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printf("- Press `1` through `6` to add increasing numbers of point annotations for testing\n");
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printf("- Press `7` through `0` to add increasing numbers of shape annotations for testing\n");
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printf("\n");
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printf("- Press `Q` to query annotations\n");
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printf("- Press `C` to remove annotations\n");
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printf("- Press `K` to add a random custom runtime imagery annotation\n");
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printf("- Press `L` to add a random line annotation\n");
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printf("- Press `W` to pop the last-added annotation off\n");
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printf("- Press `P` to pause tile requests\n");
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printf("\n");
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printf("- Hold `Control` + mouse drag to rotate\n");
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printf("- Hold `Shift` + mouse drag to tilt\n");
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printf("\n");
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printf("- Press `F1` to generate a render test for the current view\n");
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printf("\n");
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printf("- Press `Tab` to cycle through the map debug options\n");
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printf("- Press `Esc` to quit\n");
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printf("\n");
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printf("================================================================================\n");
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printf("\n");
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}
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GLFWView::~GLFWView() {
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glfwDestroyWindow(window);
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glfwTerminate();
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}
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void GLFWView::setMap(mbgl::Map *map_) {
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map = map_;
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map->addAnnotationImage(makeImage("default_marker", 22, 22, 1));
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}
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void GLFWView::setRenderFrontend(GLFWRendererFrontend* rendererFrontend_) {
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rendererFrontend = rendererFrontend_;
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}
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mbgl::gfx::RendererBackend &GLFWView::getRendererBackend() {
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return backend->getRendererBackend();
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}
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void GLFWView::onKey(GLFWwindow *window, int key, int /*scancode*/, int action, int mods) {
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auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
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if (action == GLFW_RELEASE) {
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if (key != GLFW_KEY_R || key != GLFW_KEY_S) view->animateRouteCallback = nullptr;
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switch (key) {
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case GLFW_KEY_ESCAPE:
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glfwSetWindowShouldClose(window, true);
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break;
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case GLFW_KEY_TAB:
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view->cycleDebugOptions();
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break;
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case GLFW_KEY_X:
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if (!mods)
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view->map->jumpTo(
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mbgl::CameraOptions().withCenter(mbgl::LatLng{}).withZoom(0.0).withBearing(0.0).withPitch(0.0));
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break;
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case GLFW_KEY_O:
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view->onlineStatusCallback();
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break;
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case GLFW_KEY_S:
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if (view->changeStyleCallback) view->changeStyleCallback();
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break;
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#if !MBGL_USE_GLES2
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case GLFW_KEY_B: {
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auto debug = view->map->getDebug();
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if (debug & mbgl::MapDebugOptions::StencilClip) {
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debug &= ~mbgl::MapDebugOptions::StencilClip;
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debug |= mbgl::MapDebugOptions::DepthBuffer;
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} else if (debug & mbgl::MapDebugOptions::DepthBuffer) {
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debug &= ~mbgl::MapDebugOptions::DepthBuffer;
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} else {
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debug |= mbgl::MapDebugOptions::StencilClip;
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}
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view->map->setDebug(debug);
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} break;
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#endif // MBGL_USE_GLES2
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case GLFW_KEY_N:
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if (!mods)
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view->map->easeTo(mbgl::CameraOptions().withBearing(0.0), mbgl::AnimationOptions {{mbgl::Milliseconds(500)}});
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break;
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case GLFW_KEY_Z:
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view->nextOrientation();
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break;
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case GLFW_KEY_Q: {
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auto result = view->rendererFrontend->getRenderer()->queryPointAnnotations({ {}, { static_cast<double>(view->getSize().width), static_cast<double>(view->getSize().height) } });
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printf("visible point annotations: %zu\n", result.size());
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auto features = view->rendererFrontend->getRenderer()->queryRenderedFeatures(
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mbgl::ScreenBox{{view->getSize().width * 0.5, view->getSize().height * 0.5},
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{view->getSize().width * 0.5 + 1.0, view->getSize().height * 0.5 + 1}},
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{});
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printf("Rendered features at the center of the screen: %zu\n", features.size());
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} break;
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case GLFW_KEY_P:
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view->pauseResumeCallback();
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break;
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case GLFW_KEY_C:
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view->clearAnnotations();
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break;
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case GLFW_KEY_I:
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view->resetDatabaseCallback();
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break;
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case GLFW_KEY_K:
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view->addRandomCustomPointAnnotations(1);
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break;
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case GLFW_KEY_L:
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view->addRandomLineAnnotations(1);
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break;
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case GLFW_KEY_A: {
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// XXX Fix precision loss in flyTo:
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// https://github.com/mapbox/mapbox-gl-native/issues/4298
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static const std::vector<mbgl::LatLng> places = {
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mbgl::LatLng { -16.796665, -179.999983 }, // Dateline monument
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mbgl::LatLng { 12.9810542, 77.6345551 }, // Mapbox Bengaluru, India
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mbgl::LatLng { -13.15607,-74.21773 }, // Mapbox Peru
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mbgl::LatLng { 37.77572, -122.4158818 }, // Mapbox SF, USA
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mbgl::LatLng { 38.91318,-77.03255 }, // Mapbox DC, USA
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};
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static size_t nextPlace = 0;
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mbgl::CameraOptions cameraOptions;
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cameraOptions.center = places[nextPlace++];
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cameraOptions.zoom = 20;
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cameraOptions.pitch = 30;
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mbgl::AnimationOptions animationOptions(mbgl::Seconds(10));
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view->map->flyTo(cameraOptions, animationOptions);
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nextPlace = nextPlace % places.size();
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} break;
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case GLFW_KEY_R: {
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view->show3DExtrusions = true;
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view->toggle3DExtrusions(view->show3DExtrusions);
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if (view->animateRouteCallback) break;
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view->animateRouteCallback = [](mbgl::Map* routeMap) {
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static mapbox::cheap_ruler::CheapRuler ruler { 40.7 }; // New York
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static mapbox::geojson::geojson route { mapbox::geojson::parse(mbgl::platform::glfw::route) };
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const auto& geometry = route.get<mapbox::geometry::geometry<double>>();
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const auto& lineString = geometry.get<mapbox::geometry::line_string<double>>();
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static double routeDistance = ruler.lineDistance(lineString);
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static double routeProgress = 0;
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routeProgress += 0.0005;
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if (routeProgress > 1.0) {
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routeProgress = 0.0;
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}
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auto camera = routeMap->getCameraOptions();
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auto point = ruler.along(lineString, routeProgress * routeDistance);
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const mbgl::LatLng center { point.y, point.x };
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auto latLng = *camera.center;
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double bearing = ruler.bearing({ latLng.longitude(), latLng.latitude() }, point);
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double easing = bearing - *camera.bearing;
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easing += easing > 180.0 ? -360.0 : easing < -180 ? 360.0 : 0;
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bearing = *camera.bearing + (easing / 20);
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routeMap->jumpTo(mbgl::CameraOptions().withCenter(center).withZoom(18.0).withBearing(bearing).withPitch(60.0));
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};
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view->animateRouteCallback(view->map);
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} break;
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case GLFW_KEY_E:
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view->toggle3DExtrusions(!view->show3DExtrusions);
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break;
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case GLFW_KEY_D: {
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static const std::vector<mbgl::LatLngBounds> bounds = {
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mbgl::LatLngBounds::hull(mbgl::LatLng{-45.0, -170.0}, mbgl::LatLng{45.0, 170.0}), // inside
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mbgl::LatLngBounds::hull(mbgl::LatLng{-45.0, -200.0}, mbgl::LatLng{45.0, -160.0}), // left IDL
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mbgl::LatLngBounds::hull(mbgl::LatLng{-45.0, 160.0}, mbgl::LatLng{45.0, 200.0}), // right IDL
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mbgl::LatLngBounds()};
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static size_t nextBound = 0u;
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static mbgl::AnnotationID boundAnnotationID = std::numeric_limits<mbgl::AnnotationID>::max();
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mbgl::LatLngBounds bound = bounds[nextBound++];
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nextBound = nextBound % bounds.size();
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view->map->setBounds(mbgl::BoundOptions().withLatLngBounds(bound));
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if (bound == mbgl::LatLngBounds()) {
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view->map->removeAnnotation(boundAnnotationID);
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boundAnnotationID = std::numeric_limits<mbgl::AnnotationID>::max();
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} else {
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mbgl::Polygon<double> rect;
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rect.push_back({
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mbgl::Point<double>{ bound.west(), bound.north() },
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mbgl::Point<double>{ bound.east(), bound.north() },
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mbgl::Point<double>{ bound.east(), bound.south() },
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mbgl::Point<double>{ bound.west(), bound.south() },
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});
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auto boundAnnotation = mbgl::FillAnnotation { rect, 0.5f, { view->makeRandomColor() }, { view->makeRandomColor() } };
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if (boundAnnotationID == std::numeric_limits<mbgl::AnnotationID>::max()) {
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boundAnnotationID = view->map->addAnnotation(boundAnnotation);
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} else {
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view->map->updateAnnotation(boundAnnotationID, boundAnnotation);
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}
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}
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} break;
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case GLFW_KEY_T:
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view->toggleCustomSource();
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break;
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case GLFW_KEY_F: {
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using namespace mbgl;
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using namespace mbgl::style;
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using namespace mbgl::style::expression::dsl;
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auto &style = view->map->getStyle();
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if (!style.getSource("states")) {
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std::string url = "https://maplibre.org/maplibre-gl-js-docs/assets/us_states.geojson";
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auto source = std::make_unique<GeoJSONSource>("states");
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source->setURL(url);
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style.addSource(std::move(source));
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mbgl::CameraOptions cameraOptions;
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cameraOptions.center = mbgl::LatLng{42.619626, -103.523181};
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cameraOptions.zoom = 3;
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cameraOptions.pitch = 0;
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cameraOptions.bearing = 0;
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view->map->jumpTo(cameraOptions);
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}
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auto layer = style.getLayer("state-fills");
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if (!layer) {
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auto fillLayer = std::make_unique<FillLayer>("state-fills", "states");
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fillLayer->setFillColor(mbgl::Color{0.0, 0.0, 1.0, 0.5});
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fillLayer->setFillOpacity(PropertyExpression<float>(
|
|
createExpression(R"(["case", ["boolean", ["feature-state", "hover"], false], 1, 0.5])")));
|
|
style.addLayer(std::move(fillLayer));
|
|
} else {
|
|
layer->setVisibility(layer->getVisibility() == mbgl::style::VisibilityType::Visible
|
|
? mbgl::style::VisibilityType::None
|
|
: mbgl::style::VisibilityType::Visible);
|
|
}
|
|
|
|
layer = style.getLayer("state-borders");
|
|
if (!layer) {
|
|
auto borderLayer = std::make_unique<LineLayer>("state-borders", "states");
|
|
borderLayer->setLineColor(mbgl::Color{0.0, 0.0, 1.0, 1.0});
|
|
borderLayer->setLineWidth(PropertyExpression<float>(
|
|
createExpression(R"(["case", ["boolean", ["feature-state", "hover"], false], 2, 1])")));
|
|
style.addLayer(std::move(borderLayer));
|
|
} else {
|
|
layer->setVisibility(layer->getVisibility() == mbgl::style::VisibilityType::Visible
|
|
? mbgl::style::VisibilityType::None
|
|
: mbgl::style::VisibilityType::Visible);
|
|
}
|
|
} break;
|
|
case GLFW_KEY_F1: {
|
|
bool success = TestWriter()
|
|
.withInitialSize(mbgl::Size(view->width, view->height))
|
|
.withStyle(view->map->getStyle())
|
|
.withCameraOptions(view->map->getCameraOptions())
|
|
.write(view->testDirectory);
|
|
|
|
if (success) {
|
|
mbgl::Log::Info(mbgl::Event::General, "Render test created!");
|
|
} else {
|
|
mbgl::Log::Error(mbgl::Event::General,
|
|
"Fail to create render test! Base directory does not exist or permission denied.");
|
|
}
|
|
} break;
|
|
case GLFW_KEY_U: {
|
|
auto bounds = view->map->getBounds();
|
|
if (bounds.minPitch == mbgl::util::PITCH_MIN * mbgl::util::RAD2DEG_D &&
|
|
bounds.maxPitch == mbgl::util::PITCH_MAX * mbgl::util::RAD2DEG_D) {
|
|
mbgl::Log::Info(mbgl::Event::General, "Limiting pitch bounds to [30, 40] degrees");
|
|
view->map->setBounds(mbgl::BoundOptions().withMinPitch(30).withMaxPitch(40));
|
|
} else {
|
|
mbgl::Log::Info(mbgl::Event::General, "Resetting pitch bounds to [0, 60] degrees");
|
|
view->map->setBounds(mbgl::BoundOptions().withMinPitch(0).withMaxPitch(60));
|
|
}
|
|
} break;
|
|
case GLFW_KEY_H: {
|
|
view->makeSnapshot();
|
|
} break;
|
|
case GLFW_KEY_J: {
|
|
// Snapshot with overlay
|
|
view->makeSnapshot(true);
|
|
} break;
|
|
case GLFW_KEY_G: {
|
|
view->toggleLocationIndicatorLayer();
|
|
} break;
|
|
case GLFW_KEY_Y: {
|
|
view->freeCameraDemoPhase = 0;
|
|
view->freeCameraDemoStartTime = mbgl::Clock::now();
|
|
view->invalidate();
|
|
} break;
|
|
}
|
|
}
|
|
|
|
if (action == GLFW_RELEASE || action == GLFW_REPEAT) {
|
|
switch (key) {
|
|
case GLFW_KEY_W: view->popAnnotation(); break;
|
|
case GLFW_KEY_1: view->addRandomPointAnnotations(1); break;
|
|
case GLFW_KEY_2: view->addRandomPointAnnotations(10); break;
|
|
case GLFW_KEY_3: view->addRandomPointAnnotations(100); break;
|
|
case GLFW_KEY_4: view->addRandomPointAnnotations(1000); break;
|
|
case GLFW_KEY_5: view->addRandomPointAnnotations(10000); break;
|
|
case GLFW_KEY_6: view->addRandomPointAnnotations(100000); break;
|
|
case GLFW_KEY_7: view->addRandomShapeAnnotations(1); break;
|
|
case GLFW_KEY_8: view->addRandomShapeAnnotations(10); break;
|
|
case GLFW_KEY_9: view->addRandomShapeAnnotations(100); break;
|
|
case GLFW_KEY_0: view->addRandomShapeAnnotations(1000); break;
|
|
case GLFW_KEY_M: view->addAnimatedAnnotation(); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace mbgl {
|
|
namespace util {
|
|
|
|
template <>
|
|
struct Interpolator<mbgl::LatLng> {
|
|
mbgl::LatLng operator()(const mbgl::LatLng &a, const mbgl::LatLng &b, const double t) {
|
|
return {
|
|
interpolate<double>(a.latitude(), b.latitude(), t),
|
|
interpolate<double>(a.longitude(), b.longitude(), t),
|
|
};
|
|
}
|
|
};
|
|
|
|
} // namespace util
|
|
} // namespace mbgl
|
|
|
|
void GLFWView::updateFreeCameraDemo() {
|
|
const mbgl::LatLng trainStartPos = {60.171367, 24.941359};
|
|
const mbgl::LatLng trainEndPos = {60.185147, 24.936668};
|
|
const mbgl::LatLng cameraStartPos = {60.167443, 24.927176};
|
|
const mbgl::LatLng cameraEndPos = {60.185107, 24.933366};
|
|
const double cameraStartAlt = 1000.0;
|
|
const double cameraEndAlt = 150.0;
|
|
const double duration = 8.0;
|
|
|
|
// Interpolate between starting and ending points
|
|
std::chrono::duration<double> deltaTime = mbgl::Clock::now() - freeCameraDemoStartTime;
|
|
freeCameraDemoPhase = deltaTime.count() / duration;
|
|
|
|
auto trainPos = mbgl::util::interpolate(trainStartPos, trainEndPos, freeCameraDemoPhase);
|
|
auto cameraPos = mbgl::util::interpolate(cameraStartPos, cameraEndPos, freeCameraDemoPhase);
|
|
auto cameraAlt = mbgl::util::interpolate(cameraStartAlt, cameraEndAlt, freeCameraDemoPhase);
|
|
|
|
mbgl::FreeCameraOptions camera;
|
|
|
|
// Update camera position and focus point on the map with interpolated values
|
|
camera.setLocation({cameraPos, cameraAlt});
|
|
camera.lookAtPoint(trainPos);
|
|
|
|
map->setFreeCameraOptions(camera);
|
|
|
|
if (freeCameraDemoPhase > 1.0) {
|
|
freeCameraDemoPhase = -1.0;
|
|
}
|
|
}
|
|
|
|
mbgl::Color GLFWView::makeRandomColor() const {
|
|
const auto r = static_cast<float>(std::rand()) / RAND_MAX;
|
|
const auto g = static_cast<float>(std::rand()) / RAND_MAX;
|
|
const auto b = static_cast<float>(std::rand()) / RAND_MAX;
|
|
return { r, g, b, 1.0f };
|
|
}
|
|
|
|
mbgl::Point<double> GLFWView::makeRandomPoint() const {
|
|
const double x = width * static_cast<double>(std::rand()) / RAND_MAX;
|
|
const double y = height * static_cast<double>(std::rand()) / RAND_MAX;
|
|
mbgl::LatLng latLng = map->latLngForPixel({ x, y });
|
|
return { latLng.longitude(), latLng.latitude() };
|
|
}
|
|
|
|
std::unique_ptr<mbgl::style::Image>
|
|
GLFWView::makeImage(const std::string& id, int width, int height, float pixelRatio) {
|
|
const int r = static_cast<int>(255 * (static_cast<double>(std::rand()) / RAND_MAX));
|
|
const int g = static_cast<int>(255 * (static_cast<double>(std::rand()) / RAND_MAX));
|
|
const int b = static_cast<int>(255 * (static_cast<double>(std::rand()) / RAND_MAX));
|
|
|
|
const int w = static_cast<int>(std::ceil(pixelRatio * width));
|
|
const int h = static_cast<int>(std::ceil(pixelRatio * height));
|
|
|
|
mbgl::PremultipliedImage image({ static_cast<uint32_t>(w), static_cast<uint32_t>(h) });
|
|
auto data = reinterpret_cast<uint32_t*>(image.data.get());
|
|
const int dist = (w / 2) * (w / 2);
|
|
for (int y = 0; y < h; y++) {
|
|
for (int x = 0; x < w; x++) {
|
|
const int dx = x - w / 2;
|
|
const int dy = y - h / 2;
|
|
const int diff = dist - (dx * dx + dy * dy);
|
|
if (diff > 0) {
|
|
const int a = std::min(0xFF, diff) * 0xFF / dist;
|
|
// Premultiply the rgb values with alpha
|
|
data[w * y + x] =
|
|
(a << 24) | ((a * r / 0xFF) << 16) | ((a * g / 0xFF) << 8) | (a * b / 0xFF);
|
|
}
|
|
}
|
|
}
|
|
|
|
return std::make_unique<mbgl::style::Image>(id, std::move(image), pixelRatio);
|
|
}
|
|
|
|
void GLFWView::nextOrientation() {
|
|
using NO = mbgl::NorthOrientation;
|
|
switch (map->getMapOptions().northOrientation()) {
|
|
case NO::Upwards: map->setNorthOrientation(NO::Rightwards); break;
|
|
case NO::Rightwards: map->setNorthOrientation(NO::Downwards); break;
|
|
case NO::Downwards: map->setNorthOrientation(NO::Leftwards); break;
|
|
default: map->setNorthOrientation(NO::Upwards); break;
|
|
}
|
|
}
|
|
|
|
void GLFWView::addRandomCustomPointAnnotations(int count) {
|
|
for (int i = 0; i < count; i++) {
|
|
static int spriteID = 1;
|
|
const auto name = std::string{ "marker-" } + mbgl::util::toString(spriteID++);
|
|
map->addAnnotationImage(makeImage(name, 22, 22, 1));
|
|
spriteIDs.push_back(name);
|
|
annotationIDs.push_back(map->addAnnotation(mbgl::SymbolAnnotation { makeRandomPoint(), name }));
|
|
}
|
|
}
|
|
|
|
void GLFWView::addRandomPointAnnotations(int count) {
|
|
for (int i = 0; i < count; ++i) {
|
|
annotationIDs.push_back(map->addAnnotation(mbgl::SymbolAnnotation { makeRandomPoint(), "default_marker" }));
|
|
}
|
|
}
|
|
|
|
void GLFWView::addRandomLineAnnotations(int count) {
|
|
for (int i = 0; i < count; ++i) {
|
|
mbgl::LineString<double> lineString;
|
|
for (int j = 0; j < 3; ++j) {
|
|
lineString.push_back(makeRandomPoint());
|
|
}
|
|
annotationIDs.push_back(map->addAnnotation(mbgl::LineAnnotation { lineString, 1.0f, 2.0f, { makeRandomColor() } }));
|
|
}
|
|
}
|
|
|
|
void GLFWView::addRandomShapeAnnotations(int count) {
|
|
for (int i = 0; i < count; ++i) {
|
|
mbgl::Polygon<double> triangle;
|
|
triangle.push_back({ makeRandomPoint(), makeRandomPoint(), makeRandomPoint() });
|
|
annotationIDs.push_back(map->addAnnotation(mbgl::FillAnnotation { triangle, 0.5f, { makeRandomColor() }, { makeRandomColor() } }));
|
|
}
|
|
}
|
|
|
|
void GLFWView::addAnimatedAnnotation() {
|
|
const double started = glfwGetTime();
|
|
animatedAnnotationIDs.push_back(map->addAnnotation(mbgl::SymbolAnnotation { { 0, 0 } , "default_marker" }));
|
|
animatedAnnotationAddedTimes.push_back(started);
|
|
}
|
|
|
|
void GLFWView::updateAnimatedAnnotations() {
|
|
const double time = glfwGetTime();
|
|
for (size_t i = 0; i < animatedAnnotationIDs.size(); i++) {
|
|
auto dt = time - animatedAnnotationAddedTimes[i];
|
|
|
|
const double period = 10;
|
|
const double x = dt / period * 360 - 180;
|
|
const double y = std::sin(dt/ period * M_PI * 2.0) * 80;
|
|
map->updateAnnotation(animatedAnnotationIDs[i], mbgl::SymbolAnnotation { {x, y }, "default_marker" });
|
|
}
|
|
}
|
|
|
|
void GLFWView::cycleDebugOptions() {
|
|
auto debug = map->getDebug();
|
|
#if !MBGL_USE_GLES2
|
|
if (debug & mbgl::MapDebugOptions::StencilClip)
|
|
debug = mbgl::MapDebugOptions::NoDebug;
|
|
else if (debug & mbgl::MapDebugOptions::Overdraw)
|
|
debug = mbgl::MapDebugOptions::StencilClip;
|
|
#else
|
|
if (debug & mbgl::MapDebugOptions::Overdraw) debug = mbgl::MapDebugOptions::NoDebug;
|
|
#endif // MBGL_USE_GLES2
|
|
else if (debug & mbgl::MapDebugOptions::Collision)
|
|
debug = mbgl::MapDebugOptions::Overdraw;
|
|
else if (debug & mbgl::MapDebugOptions::Timestamps)
|
|
debug = debug | mbgl::MapDebugOptions::Collision;
|
|
else if (debug & mbgl::MapDebugOptions::ParseStatus)
|
|
debug = debug | mbgl::MapDebugOptions::Timestamps;
|
|
else if (debug & mbgl::MapDebugOptions::TileBorders)
|
|
debug = debug | mbgl::MapDebugOptions::ParseStatus;
|
|
else
|
|
debug = mbgl::MapDebugOptions::TileBorders;
|
|
|
|
map->setDebug(debug);
|
|
}
|
|
|
|
void GLFWView::clearAnnotations() {
|
|
for (const auto& id : annotationIDs) {
|
|
map->removeAnnotation(id);
|
|
}
|
|
|
|
annotationIDs.clear();
|
|
|
|
for (const auto& id : animatedAnnotationIDs) {
|
|
map->removeAnnotation(id);
|
|
}
|
|
|
|
animatedAnnotationIDs.clear();
|
|
}
|
|
|
|
void GLFWView::popAnnotation() {
|
|
if (annotationIDs.empty()) {
|
|
return;
|
|
}
|
|
|
|
map->removeAnnotation(annotationIDs.back());
|
|
annotationIDs.pop_back();
|
|
}
|
|
|
|
void GLFWView::makeSnapshot(bool withOverlay) {
|
|
if (!snapshotter || snapshotter->getStyleURL() != map->getStyle().getURL()) {
|
|
snapshotter = std::make_unique<mbgl::MapSnapshotter>(
|
|
map->getMapOptions().size(), map->getMapOptions().pixelRatio(), mapResourceOptions, mapClientOptions, *snapshotterObserver);
|
|
snapshotter->setStyleURL(map->getStyle().getURL());
|
|
}
|
|
|
|
auto snapshot = [&] {
|
|
snapshotter->setCameraOptions(map->getCameraOptions());
|
|
snapshotter->snapshot([](const std::exception_ptr &ptr,
|
|
mbgl::PremultipliedImage image,
|
|
const mbgl::MapSnapshotter::Attributions &,
|
|
const mbgl::MapSnapshotter::PointForFn &,
|
|
const mbgl::MapSnapshotter::LatLngForFn &) {
|
|
if (!ptr) {
|
|
mbgl::Log::Info(mbgl::Event::General,
|
|
"Made snapshot './snapshot.png' with size w:%dpx h:%dpx",
|
|
image.size.width,
|
|
image.size.height);
|
|
std::ofstream file("./snapshot.png");
|
|
file << mbgl::encodePNG(image);
|
|
} else {
|
|
mbgl::Log::Error(mbgl::Event::General, "Failed to make a snapshot!");
|
|
}
|
|
});
|
|
};
|
|
|
|
if (withOverlay) {
|
|
snapshotterObserver->didFinishLoadingStyleCallback = [&] {
|
|
addFillExtrusionLayer(snapshotter->getStyle(), withOverlay);
|
|
snapshot();
|
|
};
|
|
} else {
|
|
snapshot();
|
|
}
|
|
}
|
|
|
|
void GLFWView::onScroll(GLFWwindow *window, double /*xOffset*/, double yOffset) {
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
double delta = yOffset * 40;
|
|
|
|
bool isWheel = delta != 0 && std::fmod(delta, 4.000244140625) == 0;
|
|
|
|
double absDelta = delta < 0 ? -delta : delta;
|
|
double scale = 2.0 / (1.0 + std::exp(-absDelta / 100.0));
|
|
|
|
// Make the scroll wheel a bit slower.
|
|
if (!isWheel) {
|
|
scale = (scale - 1.0) / 2.0 + 1.0;
|
|
}
|
|
|
|
// Zooming out.
|
|
if (delta < 0 && scale != 0) {
|
|
scale = 1.0 / scale;
|
|
}
|
|
|
|
view->map->scaleBy(scale, mbgl::ScreenCoordinate { view->lastX, view->lastY });
|
|
#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL)
|
|
if (view->puck && view->puckFollowsCameraCenter) {
|
|
mbgl::LatLng mapCenter = view->map->getCameraOptions().center.value();
|
|
view->puck->setLocation(toArray(mapCenter));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void GLFWView::onWindowResize(GLFWwindow *window, int width, int height) {
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
view->width = width;
|
|
view->height = height;
|
|
view->map->setSize({ static_cast<uint32_t>(view->width), static_cast<uint32_t>(view->height) });
|
|
}
|
|
|
|
void GLFWView::onFramebufferResize(GLFWwindow *window, int width, int height) {
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
view->backend->setSize({ static_cast<uint32_t>(width), static_cast<uint32_t>(height) });
|
|
|
|
// This is only triggered when the framebuffer is resized, but not the window. It can
|
|
// happen when you move the window between screens with a different pixel ratio.
|
|
// We are forcing a repaint my invalidating the view, which triggers a rerender with the
|
|
// new framebuffer dimensions.
|
|
view->invalidate();
|
|
}
|
|
|
|
void GLFWView::onMouseClick(GLFWwindow *window, int button, int action, int modifiers) {
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
|
|
if (button == GLFW_MOUSE_BUTTON_RIGHT ||
|
|
(button == GLFW_MOUSE_BUTTON_LEFT && modifiers & GLFW_MOD_CONTROL)) {
|
|
view->rotating = action == GLFW_PRESS;
|
|
view->map->setGestureInProgress(view->rotating);
|
|
} else if (button == GLFW_MOUSE_BUTTON_LEFT && (modifiers & GLFW_MOD_SHIFT)) {
|
|
view->pitching = action == GLFW_PRESS;
|
|
view->map->setGestureInProgress(view->pitching);
|
|
} else if (button == GLFW_MOUSE_BUTTON_LEFT) {
|
|
view->tracking = action == GLFW_PRESS;
|
|
view->map->setGestureInProgress(view->tracking);
|
|
|
|
if (action == GLFW_RELEASE) {
|
|
double now = glfwGetTime();
|
|
if (now - view->lastClick < 0.4 /* ms */) {
|
|
if (modifiers & GLFW_MOD_SHIFT) {
|
|
view->map->scaleBy(0.5, mbgl::ScreenCoordinate { view->lastX, view->lastY }, mbgl::AnimationOptions{{mbgl::Milliseconds(500)}});
|
|
} else {
|
|
view->map->scaleBy(2.0, mbgl::ScreenCoordinate { view->lastX, view->lastY }, mbgl::AnimationOptions{{mbgl::Milliseconds(500)}});
|
|
}
|
|
}
|
|
view->lastClick = now;
|
|
}
|
|
}
|
|
}
|
|
|
|
void GLFWView::onMouseMove(GLFWwindow *window, double x, double y) {
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
if (view->tracking) {
|
|
const double dx = x - view->lastX;
|
|
const double dy = y - view->lastY;
|
|
if (dx || dy) {
|
|
view->map->moveBy(mbgl::ScreenCoordinate { dx, dy });
|
|
}
|
|
} else if (view->rotating) {
|
|
view->map->rotateBy({ view->lastX, view->lastY }, { x, y });
|
|
} else if (view->pitching) {
|
|
const double dy = y - view->lastY;
|
|
if (dy) {
|
|
view->map->pitchBy(dy / 2);
|
|
}
|
|
}
|
|
view->lastX = x;
|
|
view->lastY = y;
|
|
#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL)
|
|
if (view->puck && view->puckFollowsCameraCenter) {
|
|
mbgl::LatLng mapCenter = view->map->getCameraOptions().center.value();
|
|
view->puck->setLocation(toArray(mapCenter));
|
|
}
|
|
#endif
|
|
auto &style = view->map->getStyle();
|
|
if (style.getLayer("state-fills")) {
|
|
auto screenCoordinate = mbgl::ScreenCoordinate{view->lastX, view->lastY};
|
|
const mbgl::RenderedQueryOptions queryOptions({{{"state-fills"}}, {}});
|
|
auto result = view->rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate, queryOptions);
|
|
using namespace mbgl;
|
|
FeatureState newState;
|
|
|
|
if (!result.empty()) {
|
|
FeatureIdentifier id = result[0].id;
|
|
optional<std::string> idStr = featureIDtoString(id);
|
|
|
|
if (idStr) {
|
|
if (view->featureID && (*view->featureID != *idStr)) {
|
|
newState["hover"] = false;
|
|
view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState);
|
|
view->featureID = nullopt;
|
|
}
|
|
|
|
if (!view->featureID) {
|
|
newState["hover"] = true;
|
|
view->featureID = featureIDtoString(id);
|
|
view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState);
|
|
}
|
|
}
|
|
} else {
|
|
if (view->featureID) {
|
|
newState["hover"] = false;
|
|
view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState);
|
|
view->featureID = nullopt;
|
|
}
|
|
}
|
|
view->invalidate();
|
|
}
|
|
}
|
|
|
|
void GLFWView::onWindowFocus(GLFWwindow *window, int focused) {
|
|
if (focused == GLFW_FALSE) { // Focus lost.
|
|
auto *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
|
|
view->rendererFrontend->getRenderer()->reduceMemoryUse();
|
|
}
|
|
}
|
|
|
|
void GLFWView::run() {
|
|
auto callback = [&] {
|
|
if (glfwWindowShouldClose(window)) {
|
|
runLoop.stop();
|
|
return;
|
|
}
|
|
|
|
glfwPollEvents();
|
|
|
|
if (dirty && rendererFrontend) {
|
|
dirty = false;
|
|
const double started = glfwGetTime();
|
|
|
|
if (animateRouteCallback)
|
|
animateRouteCallback(map);
|
|
|
|
updateAnimatedAnnotations();
|
|
|
|
mbgl::gfx::BackendScope scope { backend->getRendererBackend() };
|
|
|
|
rendererFrontend->render();
|
|
|
|
if (freeCameraDemoPhase >= 0.0) {
|
|
updateFreeCameraDemo();
|
|
}
|
|
|
|
report(static_cast<float>(1000 * (glfwGetTime() - started)));
|
|
if (benchmark) {
|
|
invalidate();
|
|
}
|
|
}
|
|
};
|
|
|
|
frameTick.start(mbgl::Duration::zero(), mbgl::Milliseconds(1000 / 60), callback);
|
|
#if defined(__APPLE__)
|
|
while (!glfwWindowShouldClose(window)) runLoop.run();
|
|
#else
|
|
runLoop.run();
|
|
#endif
|
|
}
|
|
|
|
float GLFWView::getPixelRatio() const {
|
|
return pixelRatio;
|
|
}
|
|
|
|
mbgl::Size GLFWView::getSize() const {
|
|
return { static_cast<uint32_t>(width), static_cast<uint32_t>(height) };
|
|
}
|
|
|
|
void GLFWView::invalidate() {
|
|
dirty = true;
|
|
glfwPostEmptyEvent();
|
|
}
|
|
|
|
void GLFWView::report(float duration) {
|
|
frames++;
|
|
frameTime += duration;
|
|
|
|
const double currentTime = glfwGetTime();
|
|
if (currentTime - lastReported >= 1) {
|
|
frameTime /= frames;
|
|
mbgl::Log::Info(mbgl::Event::OpenGL, "Frame time: %6.2fms (%6.2f fps)", frameTime,
|
|
1000 / frameTime);
|
|
frames = 0;
|
|
frameTime = 0;
|
|
lastReported = currentTime;
|
|
}
|
|
}
|
|
|
|
void GLFWView::setChangeStyleCallback(std::function<void()> callback) {
|
|
changeStyleCallback = std::move(callback);
|
|
}
|
|
|
|
void GLFWView::setShouldClose() {
|
|
glfwSetWindowShouldClose(window, true);
|
|
glfwPostEmptyEvent();
|
|
}
|
|
|
|
void GLFWView::setWindowTitle(const std::string& title) {
|
|
glfwSetWindowTitle(window, (std::string { "Mapbox GL: " } + title).c_str());
|
|
}
|
|
|
|
void GLFWView::onDidFinishLoadingStyle() {
|
|
#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL)
|
|
puck = nullptr;
|
|
#endif
|
|
|
|
if (show3DExtrusions) {
|
|
toggle3DExtrusions(show3DExtrusions);
|
|
}
|
|
}
|
|
|
|
void GLFWView::toggle3DExtrusions(bool visible) {
|
|
show3DExtrusions = visible;
|
|
addFillExtrusionLayer(map->getStyle(), show3DExtrusions);
|
|
}
|
|
|
|
void GLFWView::toggleCustomSource() {
|
|
if (!map->getStyle().getSource("custom")) {
|
|
mbgl::style::CustomGeometrySource::Options options;
|
|
options.cancelTileFunction = [](const mbgl::CanonicalTileID&) {};
|
|
options.fetchTileFunction = [&](const mbgl::CanonicalTileID& tileID) {
|
|
double gridSpacing = 0.1;
|
|
mbgl::FeatureCollection features;
|
|
const mbgl::LatLngBounds bounds(tileID);
|
|
for (double y = ceil(bounds.north() / gridSpacing) * gridSpacing; y >= floor(bounds.south() / gridSpacing) * gridSpacing; y -= gridSpacing) {
|
|
|
|
mapbox::geojson::line_string gridLine;
|
|
gridLine.emplace_back(bounds.west(), y);
|
|
gridLine.emplace_back(bounds.east(), y);
|
|
|
|
features.emplace_back(gridLine);
|
|
}
|
|
|
|
for (double x = floor(bounds.west() / gridSpacing) * gridSpacing; x <= ceil(bounds.east() / gridSpacing) * gridSpacing; x += gridSpacing) {
|
|
mapbox::geojson::line_string gridLine;
|
|
gridLine.emplace_back(x, bounds.south());
|
|
gridLine.emplace_back(x, bounds.north());
|
|
|
|
features.emplace_back(gridLine);
|
|
}
|
|
auto source = static_cast<mbgl::style::CustomGeometrySource *>(map->getStyle().getSource("custom"));
|
|
if (source) {
|
|
source->setTileData(tileID, features);
|
|
source->invalidateTile(tileID);
|
|
}
|
|
};
|
|
map->getStyle().addSource(std::make_unique<mbgl::style::CustomGeometrySource>("custom", options));
|
|
}
|
|
|
|
auto* layer = map->getStyle().getLayer("grid");
|
|
|
|
if (!layer) {
|
|
auto lineLayer = std::make_unique<mbgl::style::LineLayer>("grid", "custom");
|
|
lineLayer->setLineColor(mbgl::Color{ 1.0, 0.0, 0.0, 1.0 });
|
|
map->getStyle().addLayer(std::move(lineLayer));
|
|
} else {
|
|
layer->setVisibility(layer->getVisibility() == mbgl::style::VisibilityType::Visible ?
|
|
mbgl::style::VisibilityType::None : mbgl::style::VisibilityType::Visible);
|
|
}
|
|
}
|
|
|
|
void GLFWView::toggleLocationIndicatorLayer() {
|
|
#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL)
|
|
puck = static_cast<mbgl::style::LocationIndicatorLayer *>(map->getStyle().getLayer("puck"));
|
|
static const mbgl::LatLng puckLocation{35.683389, 139.76525}; // A location on the crossing of 4 tiles
|
|
if (puck == nullptr) {
|
|
auto puckLayer = std::make_unique<mbgl::style::LocationIndicatorLayer>("puck");
|
|
|
|
puckLayer->setLocationTransition(mbgl::style::TransitionOptions(
|
|
mbgl::Duration::zero(), mbgl::Duration::zero())); // Note: This is used here for demo purpose.
|
|
// SDKs should not use this, or else the location
|
|
// will "jump" to positions.
|
|
puckLayer->setLocation(toArray(puckLocation));
|
|
puckLayer->setAccuracyRadius(50);
|
|
puckLayer->setAccuracyRadiusColor(
|
|
premultiply(mbgl::Color{0.0f, 1.0f, 0.0f, 0.2f})); // Note: these must be fed premultiplied
|
|
|
|
puckLayer->setBearingTransition(mbgl::style::TransitionOptions(mbgl::Duration::zero(), mbgl::Duration::zero()));
|
|
puckLayer->setBearing(mbgl::style::Rotation(0.0));
|
|
puckLayer->setAccuracyRadiusBorderColor(premultiply(mbgl::Color{0.0f, 1.0f, 0.2f, 0.4f}));
|
|
puckLayer->setTopImageSize(0.18f);
|
|
puckLayer->setBearingImageSize(0.26f);
|
|
puckLayer->setShadowImageSize(0.2f);
|
|
puckLayer->setImageTiltDisplacement(7.0f); // set to 0 for a "flat" puck
|
|
puckLayer->setPerspectiveCompensation(0.9f);
|
|
|
|
map->getStyle().addImage(std::make_unique<mbgl::style::Image>(
|
|
"puck.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck.png")), 1.0f));
|
|
|
|
map->getStyle().addImage(std::make_unique<mbgl::style::Image>(
|
|
"puck_shadow.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck_shadow.png")), 1.0f));
|
|
|
|
map->getStyle().addImage(std::make_unique<mbgl::style::Image>(
|
|
"puck_hat.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck_hat.png")), 1.0f));
|
|
|
|
puckLayer->setBearingImage(mbgl::style::expression::Image("puck.png"));
|
|
puckLayer->setShadowImage(mbgl::style::expression::Image("puck_shadow.png"));
|
|
puckLayer->setTopImage(mbgl::style::expression::Image("puck_hat.png"));
|
|
|
|
puck = puckLayer.get();
|
|
map->getStyle().addLayer(std::move(puckLayer));
|
|
} else {
|
|
bool visible = puck->getVisibility() == mbgl::style::VisibilityType::Visible;
|
|
if (visible) {
|
|
if (!puckFollowsCameraCenter) {
|
|
mbgl::LatLng mapCenter = map->getCameraOptions().center.value();
|
|
puck->setLocation(toArray(mapCenter));
|
|
puckFollowsCameraCenter = true;
|
|
} else {
|
|
puckFollowsCameraCenter = false;
|
|
puck->setVisibility(mbgl::style::VisibilityType(mbgl::style::VisibilityType::None));
|
|
}
|
|
} else {
|
|
puck->setLocation(toArray(puckLocation));
|
|
puck->setVisibility(mbgl::style::VisibilityType(mbgl::style::VisibilityType::Visible));
|
|
puckFollowsCameraCenter = false;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
using Nanoseconds = std::chrono::nanoseconds;
|
|
|
|
void GLFWView::onWillStartRenderingFrame() {
|
|
#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL)
|
|
puck = static_cast<mbgl::style::LocationIndicatorLayer *>(map->getStyle().getLayer("puck"));
|
|
if (puck) {
|
|
uint64_t ns = mbgl::Clock::now().time_since_epoch().count();
|
|
const double bearing = static_cast<double>(ns % 2000000000) / 2000000000.0 * 360.0;
|
|
puck->setBearing(mbgl::style::Rotation(bearing));
|
|
}
|
|
#endif
|
|
}
|