diff options
Diffstat (limited to 'src/openvic-simulation/map/Map.hpp')
| -rw-r--r-- | src/openvic-simulation/map/Map.hpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/openvic-simulation/map/Map.hpp b/src/openvic-simulation/map/Map.hpp index d11ad8e..db67390 100644 --- a/src/openvic-simulation/map/Map.hpp +++ b/src/openvic-simulation/map/Map.hpp @@ -14,7 +14,10 @@ namespace OpenVic { struct Mapmode : HasIdentifier { friend struct Map; - using colour_func_t = std::function<colour_t(Map const&, Province const&)>; + /* Bottom 32 bits are the base colour, top 32 are the stripe colour, both in ARGB format with the alpha channels + * controlling interpolation with the terrain colour (0 = all terrain, 255 = all corresponding RGB) */ + using base_stripe_t = uint64_t; + using colour_func_t = std::function<base_stripe_t(Map const&, Province const&)>; using index_t = size_t; private: @@ -29,7 +32,7 @@ namespace OpenVic { Mapmode(Mapmode&&) = default; index_t get_index() const; - colour_t get_colour(Map const& map, Province const& province) const; + base_stripe_t get_base_stripe_colours(Map const& map, Province const& province) const; }; struct GoodManager; @@ -98,7 +101,12 @@ namespace OpenVic { bool add_mapmode(std::string_view identifier, Mapmode::colour_func_t colour_func); IDENTIFIER_REGISTRY_ACCESSORS(mapmode) Mapmode const* get_mapmode_by_index(size_t index) const; - static constexpr size_t MAPMODE_COLOUR_SIZE = 4; + + /* The mapmode colour image contains of a list of base colours and stripe colours. Each colour is four bytes + * in RGBA format, with the alpha value being used to interpolate with the terrain colour, so A = 0 is fully terrain + * and A = 255 is fully the RGB colour packaged with A. The base and stripe colours for each province are packed + * together adjacently, so each province's entry is 8 bytes long. The list contains Province::MAX_INDEX + 1 entries, + * that is the maximum allowed number of provinces plus one for the index-zero "null province". */ bool generate_mapmode_colours(Mapmode::index_t index, uint8_t* target) const; bool setup(BuildingManager const& building_manager, PopManager const& pop_manager); |