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author George L. Albany <Megacake1234@gmail.com>2023-04-14 18:31:58 +0200
committer GitHub <noreply@github.com>2023-04-14 18:31:58 +0200
commit436b038c1806e326ff6458f1692e9009d3a54346 (patch)
treeb5a33a733398b511eb0aa7781860c8accbadd2a0 /extension/src/openvic2/Map.cpp
parent1f04a7827ae377372cb491ff0257a47d0d4c2967 (diff)
parent7241811bd8c9493b7b6c6480e8d63a5fb7f38e4e (diff)
Merge pull request #84 from OpenVic2Project/terrain-map
Diffstat (limited to 'extension/src/openvic2/Map.cpp')
-rw-r--r--extension/src/openvic2/Map.cpp306
1 files changed, 306 insertions, 0 deletions
diff --git a/extension/src/openvic2/Map.cpp b/extension/src/openvic2/Map.cpp
new file mode 100644
index 0000000..1654189
--- /dev/null
+++ b/extension/src/openvic2/Map.cpp
@@ -0,0 +1,306 @@
+#include "Map.hpp"
+
+#include <cassert>
+
+using namespace OpenVic2;
+
+static const std::string SEPARATOR = "\n - ";
+
+Mapmode::Mapmode(index_t new_index, std::string const& new_identifier, colour_func_t new_colour_func)
+ : index(new_index), identifier(new_identifier), colour_func(new_colour_func) {
+ assert(!identifier.empty());
+ assert(colour_func != nullptr);
+}
+
+Mapmode::index_t Mapmode::get_index() const {
+ return index;
+}
+
+std::string const& Mapmode::get_identifier() const {
+ return identifier;
+}
+
+Mapmode::colour_func_t Mapmode::get_colour_func() const {
+ return colour_func;
+}
+
+return_t Map::add_province(std::string const& identifier, Province::colour_t colour, std::string& error_message) {
+ if (provinces_locked) {
+ error_message = "The map's province list has already been locked!";
+ return FAILURE;
+ }
+ if (provinces.size() >= Province::MAX_INDEX) {
+ error_message = "The map's province list is full - there can be at most " + std::to_string(Province::MAX_INDEX) + " provinces";
+ return FAILURE;
+ }
+ if (identifier.empty()) {
+ error_message = "Empty province identifier for colour " + Province::colour_to_hex_string(colour);
+ return FAILURE;
+ }
+ if (colour == Province::NULL_COLOUR || colour > Province::MAX_COLOUR) {
+ error_message = "Invalid province colour: " + Province::colour_to_hex_string(colour);
+ return FAILURE;
+ }
+ Province new_province{ static_cast<Province::index_t>(provinces.size() + 1), identifier, colour };
+ for (Province const& province : provinces) {
+ if (province.get_identifier() == identifier) {
+ error_message = "Duplicate province identifiers: " + province.to_string() + " and " + new_province.to_string();
+ return FAILURE;
+ }
+ if (province.get_colour() == colour) {
+ error_message = "Duplicate province colours: " + province.to_string() + " and " + new_province.to_string();
+ return FAILURE;
+ }
+ }
+ provinces.push_back(new_province);
+ error_message = "Added province: " + new_province.to_string();
+ return SUCCESS;
+}
+
+void Map::lock_provinces() {
+ provinces_locked = true;
+}
+
+return_t Map::add_region(std::string const& identifier, std::vector<std::string> const& province_identifiers, std::string& error_message) {
+ if (regions_locked) {
+ error_message = "The map's region list has already been locked!";
+ return FAILURE;
+ }
+ if (identifier.empty()) {
+ error_message = "Empty region identifier!";
+ return FAILURE;
+ }
+ if (provinces.empty()) {
+ error_message = "Empty province list for region " + identifier;
+ return FAILURE;
+ }
+ Region new_region{ identifier };
+ error_message = "Error message for region: " + identifier;
+ for (std::string const& province_identifier : province_identifiers) {
+ Province* province = get_province_by_identifier(province_identifier);
+ if (province != nullptr) {
+ if (new_region.contains_province(province))
+ error_message += SEPARATOR + "Duplicate province identifier " + province_identifier;
+ else {
+ size_t other_region_index = reinterpret_cast<size_t>(province->get_region());
+ if (other_region_index != 0) {
+ other_region_index--;
+ error_message += SEPARATOR + "Province " + province_identifier + " is already part of ";
+ if (other_region_index < regions.size())
+ error_message += regions[other_region_index].get_identifier();
+ else
+ error_message += "an unknown region with index " + std::to_string(other_region_index);
+ } else new_region.provinces.push_back(province);
+ }
+ } else error_message += SEPARATOR + "Invalid province identifier " + province_identifier;
+ }
+ if (!new_region.get_province_count()) {
+ error_message += SEPARATOR + "No valid provinces in region's list";
+ return FAILURE;
+ }
+ for (Region const& region : regions) {
+ if (region.get_identifier() == identifier) {
+ error_message += SEPARATOR + "Duplicate region identifiers: " + region.get_identifier() + " and " + identifier;
+ return FAILURE;
+ }
+ }
+ regions.push_back(new_region);
+ error_message += SEPARATOR + "Added region: " + identifier;
+ // Used to detect provinces listed in multiple regions, will
+ // be corrected once regions is stable (i.e. lock_regions).
+ Region* tmp_region_index = reinterpret_cast<Region*>(regions.size());
+ for (Province* province : new_region.get_provinces())
+ province->region = tmp_region_index;
+ return SUCCESS;
+}
+
+void Map::lock_regions() {
+ regions_locked = true;
+ for (Region& region : regions)
+ for (Province* province : region.get_provinces())
+ province->region = &region;
+}
+
+size_t Map::get_province_count() const {
+ return provinces.size();
+}
+
+Province* Map::get_province_by_index(Province::index_t index) {
+ return index != Province::NULL_INDEX && index <= provinces.size() ? &provinces[index - 1] : nullptr;
+}
+
+Province const* Map::get_province_by_index(Province::index_t index) const {
+ return index != Province::NULL_INDEX && index <= provinces.size() ? &provinces[index - 1] : nullptr;
+}
+
+Province* Map::get_province_by_identifier(std::string const& identifier) {
+ if (!identifier.empty())
+ for (Province& province : provinces)
+ if (province.get_identifier() == identifier) return &province;
+ return nullptr;
+}
+
+Province const* Map::get_province_by_identifier(std::string const& identifier) const {
+ if (!identifier.empty())
+ for (Province const& province : provinces)
+ if (province.get_identifier() == identifier) return &province;
+ return nullptr;
+}
+
+Province* Map::get_province_by_colour(Province::colour_t colour) {
+ if (colour != Province::NULL_COLOUR)
+ for (Province& province : provinces)
+ if (province.get_colour() == colour) return &province;
+ return nullptr;
+}
+
+Province const* Map::get_province_by_colour(Province::colour_t colour) const {
+ if (colour != Province::NULL_COLOUR)
+ for (Province const& province : provinces)
+ if (province.get_colour() == colour) return &province;
+ return nullptr;
+}
+
+static Province::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, std::string& error_message) {
+ if (!province_index_image.empty()) {
+ error_message = "Province index image has already been generated!";
+ return FAILURE;
+ }
+ if (!provinces_locked) {
+ error_message = "Province index image cannot be generated until after provinces are locked!";
+ return FAILURE;
+ }
+ if (new_width < 1 || new_height < 1) {
+ error_message = "Invalid province image dimensions: " + std::to_string(new_width) + "x" + std::to_string(new_height);
+ return FAILURE;
+ }
+ if (colour_data == nullptr) {
+ error_message = "Province colour data pointer is null!";
+ return FAILURE;
+ }
+ width = new_width;
+ height = new_height;
+ province_index_image.resize(width * height);
+
+ std::vector<bool> province_checklist(provinces.size());
+ return_t ret = SUCCESS;
+
+ error_message = "Error message for province index image generation:";
+
+ for (int32_t y = 0; y < height; ++y) {
+ for (int32_t x = 0; x < width; ++x) {
+ const int32_t idx = x + y * width;
+ const Province::colour_t colour = colour_at(colour_data, idx);
+ if (colour == Province::NULL_COLOUR) {
+ province_index_image[idx] = Province::NULL_INDEX;
+ continue;
+ }
+ if (x > 0) {
+ const int32_t jdx = idx - 1;
+ if (colour_at(colour_data, jdx) == colour) {
+ province_index_image[idx] = province_index_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];
+ continue;
+ }
+ }
+ Province const* province = get_province_by_colour(colour);
+ if (province != nullptr) {
+ const Province::index_t index = province->get_index();
+ province_index_image[idx] = index;
+ province_checklist[index - 1] = true;
+ continue;
+ }
+ error_message += SEPARATOR + "Unrecognised province colour " + Province::colour_to_hex_string(colour) + " at (" + std::to_string(x) + ", " + std::to_string(x) + ")";
+ ret = FAILURE;
+ province_index_image[idx] = Province::NULL_INDEX;
+ }
+ }
+
+ for (size_t idx = 0; idx < province_checklist.size(); ++idx) {
+ if (!province_checklist[idx]) {
+ error_message += SEPARATOR + "Province missing from shape image: " + provinces[idx].to_string();
+ ret = FAILURE;
+ }
+ }
+
+ error_message += SEPARATOR + "Generated province index image";
+ return ret;
+}
+
+size_t Map::get_width() const {
+ return width;
+}
+
+size_t Map::get_height() const {
+ return height;
+}
+
+std::vector<Province::index_t> const& Map::get_province_index_image() const {
+ return province_index_image;
+}
+
+return_t Map::add_mapmode(std::string const& identifier, Mapmode::colour_func_t colour_func, std::string& error_message) {
+ if (identifier.empty()) {
+ error_message = "Empty mapmode identifier!";
+ return FAILURE;
+ }
+ if (colour_func == nullptr) {
+ error_message = "Mapmode colour function is null for identifier: " + identifier;
+ return FAILURE;
+ }
+ Mapmode new_mapmode{ mapmodes.size(), identifier, colour_func };
+ for (Mapmode const& mapmode : mapmodes) {
+ if (mapmode.get_identifier() == identifier) {
+ error_message = "Duplicate mapmode identifiers: " + mapmode.get_identifier() + " and " + identifier;
+ return FAILURE;
+ }
+ }
+ mapmodes.push_back(new_mapmode);
+ error_message = "Added mapmode: " + identifier;
+ return SUCCESS;
+}
+
+size_t Map::get_mapmode_count() const {
+ return mapmodes.size();
+}
+
+Mapmode const* Map::get_mapmode_by_index(size_t index) const {
+ return index < mapmodes.size() ? &mapmodes[index] : nullptr;
+}
+
+Mapmode const* Map::get_mapmode_by_identifier(std::string const& identifier) const {
+ if (!identifier.empty())
+ for (Mapmode const& mapmode : mapmodes)
+ if (mapmode.get_identifier() == identifier) return &mapmode;
+ return nullptr;
+}
+
+return_t Map::generate_mapmode_colours(Mapmode::index_t index, uint8_t* target, std::string& error_message) const {
+ if (target == nullptr) {
+ error_message = "Mapmode colour target pointer is null!";
+ return FAILURE;
+ }
+ if (index >= mapmodes.size()) {
+ error_message = "Invalid mapmode index: " + std::to_string(index);
+ return FAILURE;
+ }
+ Mapmode const& mapmode = mapmodes[index];
+ target += 3; // Skip past Province::NULL_INDEX
+ for (Province const& province : provinces) {
+ const Province::colour_t colour = mapmode.get_colour_func()(*this, province);
+ *target++ = (colour >> 16) & 0xFF;
+ *target++ = (colour >> 8) & 0xFF;
+ *target++ = colour & 0xFF;
+ }
+ return SUCCESS;
+}