Terrain textures + province colour alpha channel

1 files changed, 33 insertions, 16 deletions

diff --git a/extension/src/openvic2/map/Map.cpp b/extension/src/openvic2/map/Map.cpp
index 4e7c0bb..ab035ad 100644
--- a/extension/src/openvic2/map/Map.cpp
+++ b/extension/src/openvic2/map/Map.cpp
@@ -1,9 +1,9 @@
-#include "openvic2/map/Map.hpp"
+#include "Map.hpp"
 
 #include <cassert>
 #include <unordered_set>
 
-#include "openvic2/Logger.hpp"
+#include "../Logger.hpp"
 
 using namespace OpenVic2;
 
@@ -31,7 +31,7 @@ return_t Map::add_province(std::string const& identifier, colour_t colour) {
 		Logger::error("Invalid province identifier - empty!");
 		return FAILURE;
 	}
-	if (colour == NULL_COLOUR || colour > MAX_COLOUR) {
+	if (colour == NULL_COLOUR || colour > MAX_COLOUR_RGB) {
 		Logger::error("Invalid province colour: ", Province::colour_to_hex_string(colour));
 		return FAILURE;
 	}
@@ -175,7 +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_shape_image(size_t new_width, size_t new_height, uint8_t const* colour_data) {
+return_t Map::generate_province_shape_image(size_t new_width, size_t new_height, uint8_t const* colour_data,
+	uint8_t const* terrain_data, terrain_variant_map_t const& terrain_variant_map) {
 	if (!province_shape_image.empty()) {
 		Logger::error("Province index image has already been generated!");
 		return FAILURE;
@@ -192,47 +193,62 @@ return_t Map::generate_province_shape_image(size_t new_width, size_t new_height,
 		Logger::error("Province colour data pointer is null!");
 		return FAILURE;
 	}
+	if (terrain_data == nullptr) {
+		Logger::error("Province terrain data pointer is null!");
+		return FAILURE;
+	}
 	width = new_width;
 	height = new_height;
 	province_shape_image.resize(width * height);
 
 	std::vector<bool> province_checklist(provinces.get_item_count());
 	return_t ret = SUCCESS;
-	std::unordered_set<colour_t> unrecognised_colours;
+	std::unordered_set<colour_t> unrecognised_province_colours, unrecognised_terrain_colours;
 
 	for (int32_t y = 0; y < height; ++y) {
 		for (int32_t x = 0; x < width; ++x) {
 			const int32_t idx = x + y * width;
-			const colour_t colour = colour_at(colour_data, idx);
+
+			const colour_t terrain_colour = colour_at(terrain_data, idx);
+			const terrain_variant_map_t::const_iterator it = terrain_variant_map.find(terrain_colour);
+			if (it != terrain_variant_map.end()) province_shape_image[idx].terrain = it->second;
+			else {
+				if (unrecognised_terrain_colours.find(terrain_colour) == unrecognised_terrain_colours.end()) {
+					unrecognised_terrain_colours.insert(terrain_colour);
+					Logger::error("Unrecognised terrain colour ", Province::colour_to_hex_string(terrain_colour), " at (", x, ", ", y, ")");
+					ret = FAILURE;
+				}
+				province_shape_image[idx].terrain = 0;
+			}
+
+			const colour_t province_colour = colour_at(colour_data, idx);
 			if (x > 0) {
 				const int32_t jdx = idx - 1;
-				if (colour_at(colour_data, jdx) == colour) {
-					province_shape_image[idx] = province_shape_image[jdx];
+				if (colour_at(colour_data, jdx) == province_colour) {
+					province_shape_image[idx].index = province_shape_image[jdx].index;
 					continue;
 				}
 			}
 			if (y > 0) {
 				const int32_t jdx = idx - width;
-				if (colour_at(colour_data, jdx) == colour) {
-					province_shape_image[idx] = province_shape_image[jdx];
+				if (colour_at(colour_data, jdx) == province_colour) {
+					province_shape_image[idx].index = province_shape_image[jdx].index;
 					continue;
 				}
 			}
-			Province const* province = get_province_by_colour(colour);
+			Province const* province = get_province_by_colour(province_colour);
 			if (province != nullptr) {
 				const index_t index = province->get_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()) {
-				unrecognised_colours.insert(colour);
-				Logger::error("Unrecognised province colour ", Province::colour_to_hex_string(colour), " at (", x, ", ", y, ")");
+			if (unrecognised_province_colours.find(province_colour) == unrecognised_province_colours.end()) {
+				unrecognised_province_colours.insert(province_colour);
+				Logger::error("Unrecognised province colour ", Province::colour_to_hex_string(province_colour), " at (", x, ", ", y, ")");
 				ret = FAILURE;
 			}
 			province_shape_image[idx].index = NULL_INDEX;
-			province_shape_image[idx].terrain = 0;
 		}
 	}
 
@@ -303,6 +319,7 @@ return_t Map::generate_mapmode_colours(Mapmode::index_t index, uint8_t* target)
 		*target++ = (colour >> 16) & 0xFF;
 		*target++ = (colour >> 8) & 0xFF;
 		*target++ = colour & 0xFF;
+		*target++ = (colour >> 24) & 0xFF;
 	}
 	return SUCCESS;
 }