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Code Issues 150 Wiki Activity

feat(editor): far out the top view shows the base map of OpenStreetMap from geoportal.gov.pl in place of the imagery, tiles as large as the view needs, the ground not drawn under it nor streamed as far as the view; the tracks over it in the colour of the rails, blue by default, and the joints of the pieces left out far out

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maj00r
2026-10-23 13:35:07 +02:00
parent a892532fda
commit 5e846018b6
10 changed files with 229 additions and 22 deletions
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14
editor/editorOrthophoto.hpp
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@@ -106,6 +106,10 @@ class editor_orthophoto
// true for geometry created by the layer, so ground queries can skip it
static bool owns(gfx::geometry_handle const &Geometry);
// a top view of Scale metres a pixel shows the base map of OpenStreetMap in place of the imagery, as far as Reach from the
// camera; 0: the imagery
void overview(double const Scale, double const Reach);
bool overview() const { return m_map_level > 0; }
// main thread, once per frame: schedules tiles around the camera and uploads finished ones
void update(glm::dvec3 const &Camera);
// main thread, inside an ImGui frame: emits the overlay into the background draw list.
@@ -135,6 +139,7 @@ class editor_orthophoto
struct job
{
tile_key key;
int map{0}; // level of a tile of the map, 256 m << map a side; 0: of the imagery
int level{0}; // requested texture size in pixels
std::uint8_t alpha{255}; // baked into the texture, for translucency in the scene
source src;
@@ -144,6 +149,7 @@ class editor_orthophoto
struct result
{
tile_key key;
int map{0};
int level{0};
std::uint8_t alpha{255};
std::uint32_t generation{0};
@@ -188,7 +194,7 @@ class editor_orthophoto
static int level_for(int Distance, bool Hires);
tile_key camera_tile(glm::dvec3 const &Camera) const;
glm::dvec2 tile_corner(tile_key const &Key) const; // world (x,z) of the north-west corner
void schedule(tile_key const &Key, tile &Tile, int Level, std::uint8_t Alpha);
void schedule(tile_key const &Key, tile &Tile, int Level, std::uint8_t Alpha, int const Map = 0);
std::uint8_t texture_alpha() const; // alpha the textures should carry with the current settings
std::size_t apply(result &Result, double Now); // returns bytes uploaded
void release_tile(tile &Tile);
@@ -198,6 +204,8 @@ class editor_orthophoto
void remove_shape(tile &Tile);
void release_geometry(tile &Tile);
void update_scene();
void update_map(glm::dvec3 const &Camera, double const Now);
void draw_map(glm::mat4 const &ViewProjection, glm::dvec3 const &CameraPos, float ScreenWidth, float ScreenHeight) const;
void start_workers();
void worker();
@@ -205,6 +213,10 @@ class editor_orthophoto
bool m_enabled{false};
std::map<tile_key, tile> m_tiles; // main thread only
tile_key m_camera_tile{0, 0};
using map_key = std::pair<int, tile_key>; // level, then the place on the grid of the tiles of that level
std::map<map_key, tile> m_maps; // main thread only
int m_map_level{0}; // of the map shown, 0: the imagery
double m_map_reach{0.0}; // m from the camera the view of the map reaches
std::vector<texture_slot> m_free_slots; // pool of textures, reused between tiles
int m_texture_count{0};
ground_query m_ground;