2 files changed, 25 insertions, 15 deletions

diff --git a/extension/src/openvic2/map/Map.cpp b/extension/src/openvic2/map/Map.cpp
index 90f2420..4e7c0bb 100644
--- a/extension/src/openvic2/map/Map.cpp
+++ b/extension/src/openvic2/map/Map.cpp
@@ -159,7 +159,7 @@ Province const* Map::get_province_by_colour(colour_t colour) const {
 }
 
 index_t Map::get_province_index_at(size_t x, size_t y) const {
-	if (x < width && y < height) return province_index_image[x + y * width];
+	if (x < width && y < height) return province_shape_image[x + y * width].index;
 	return NULL_INDEX;
 }
 
@@ -175,8 +175,8 @@ static colour_t colour_at(uint8_t const* colour_data, int32_t idx) {
 	return (colour_data[idx * 3] << 16) | (colour_data[idx * 3 + 1] << 8) | colour_data[idx * 3 + 2];
 }
 
-return_t Map::generate_province_index_image(size_t new_width, size_t new_height, uint8_t const* colour_data) {
-	if (!province_index_image.empty()) {
+return_t Map::generate_province_shape_image(size_t new_width, size_t new_height, uint8_t const* colour_data) {
+	if (!province_shape_image.empty()) {
 		Logger::error("Province index image has already been generated!");
 		return FAILURE;
 	}
@@ -194,7 +194,7 @@ return_t Map::generate_province_index_image(size_t new_width, size_t new_height,
 	}
 	width = new_width;
 	height = new_height;
-	province_index_image.resize(width * height);
+	province_shape_image.resize(width * height);
 
 	std::vector<bool> province_checklist(provinces.get_item_count());
 	return_t ret = SUCCESS;
@@ -207,22 +207,23 @@ return_t Map::generate_province_index_image(size_t new_width, size_t new_height,
 			if (x > 0) {
 				const int32_t jdx = idx - 1;
 				if (colour_at(colour_data, jdx) == colour) {
-					province_index_image[idx] = province_index_image[jdx];
+					province_shape_image[idx] = province_shape_image[jdx];
 					continue;
 				}
 			}
 			if (y > 0) {
 				const int32_t jdx = idx - width;
 				if (colour_at(colour_data, jdx) == colour) {
-					province_index_image[idx] = province_index_image[jdx];
+					province_shape_image[idx] = province_shape_image[jdx];
 					continue;
 				}
 			}
 			Province const* province = get_province_by_colour(colour);
 			if (province != nullptr) {
 				const index_t index = province->get_index();
-				province_index_image[idx] = index;
 				province_checklist[index - 1] = true;
+				province_shape_image[idx].index = index;
+				province_shape_image[idx].terrain = !province->is_water();
 				continue;
 			}
 			if (unrecognised_colours.find(colour) == unrecognised_colours.end()) {
@@ -230,7 +231,8 @@ return_t Map::generate_province_index_image(size_t new_width, size_t new_height,
 				Logger::error("Unrecognised province colour ", Province::colour_to_hex_string(colour), " at (", x, ", ", y, ")");
 				ret = FAILURE;
 			}
-			province_index_image[idx] = NULL_INDEX;
+			province_shape_image[idx].index = NULL_INDEX;
+			province_shape_image[idx].terrain = 0;
 		}
 	}
 
@@ -251,8 +253,8 @@ size_t Map::get_height() const {
 	return height;
 }
 
-std::vector<index_t> const& Map::get_province_index_image() const {
-	return province_index_image;
+std::vector<Map::shape_pixel_t> const& Map::get_province_shape_image() const {
+	return province_shape_image;
 }
 
 return_t Map::add_mapmode(std::string const& identifier, Mapmode::colour_func_t colour_func) {
@@ -293,13 +295,14 @@ return_t Map::generate_mapmode_colours(Mapmode::index_t index, uint8_t* target)
 		Logger::error("Invalid mapmode index: ", index);
 		return FAILURE;
 	}
-	target += 4; // Skip past Province::NULL_INDEX
+	// Skip past Province::NULL_INDEX
+	for (size_t i = 0; i < MAPMODE_COLOUR_SIZE; ++i)
+		*target++ = 0;
 	for (Province const& province : provinces.get_items()) {
 		const colour_t colour = mapmode->get_colour(*this, province);
 		*target++ = (colour >> 16) & 0xFF;
 		*target++ = (colour >> 8) & 0xFF;
 		*target++ = colour & 0xFF;
-		*target++ = province.is_water() ? 0 : 255;
 	}
 	return SUCCESS;
 }
diff --git a/extension/src/openvic2/map/Map.hpp b/extension/src/openvic2/map/Map.hpp
index 9150772..a664d96 100644
--- a/extension/src/openvic2/map/Map.hpp
+++ b/extension/src/openvic2/map/Map.hpp
@@ -26,6 +26,12 @@ namespace OpenVic2 {
 	 * MAP-4
 	 */
 	struct Map {
+		#pragma pack(push, 1)
+		struct shape_pixel_t {
+			Province::index_t index;
+			uint8_t terrain;
+		};
+		#pragma pack(pop)
 	private:
 		IdentifierRegistry<Province> provinces;
 		IdentifierRegistry<Region> regions;
@@ -34,7 +40,7 @@ namespace OpenVic2 {
 		size_t water_province_count = 0;
 
 		size_t width = 0, height = 0;
-		std::vector<index_t> province_index_image;
+		std::vector<shape_pixel_t> province_shape_image;
 	public:
 		Map();
 
@@ -57,16 +63,17 @@ namespace OpenVic2 {
 		Region* get_region_by_identifier(std::string const& identifier);
 		Region const* get_region_by_identifier(std::string const& identifier) const;
 
-		return_t generate_province_index_image(size_t new_width, size_t new_height, uint8_t const* colour_data);
+		return_t generate_province_shape_image(size_t new_width, size_t new_height, uint8_t const* colour_data);
 		size_t get_width() const;
 		size_t get_height() const;
-		std::vector<index_t> const& get_province_index_image() const;
+		std::vector<shape_pixel_t> const& get_province_shape_image() const;
 
 		return_t add_mapmode(std::string const& identifier, Mapmode::colour_func_t colour_func);
 		void lock_mapmodes();
 		size_t get_mapmode_count() const;
 		Mapmode const* get_mapmode_by_index(Mapmode::index_t index) const;
 		Mapmode const* get_mapmode_by_identifier(std::string const& identifier) const;
+		static constexpr size_t MAPMODE_COLOUR_SIZE = 3;
 		return_t generate_mapmode_colours(Mapmode::index_t index, uint8_t* target) const;
 
 		return_t generate_province_buildings(BuildingManager const& manager);