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8 moved map implementation into source file, simplified map class #12

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Jul 23, 2021
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3 changes: 2 additions & 1 deletion shm/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ project(SHM)

# set executables
set(THIS_PROJECT_SRC_DIRECTORIES
source/Map.cpp
)
set(THIS_PROJECT_TESTS_DIRECTORIES
)
Expand All @@ -18,7 +19,7 @@ set(THIS_PROJECT_TESTS_DIRECTORIES
set(THIS_PROJECT_FLAGS
-Wall
-Werror
-Weffc++
#-Weffc++
-Wextra
-pedantic
-Wconversion
Expand Down
35 changes: 35 additions & 0 deletions shm/source/Map.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
#include "Map.hpp"


Map::Map():
horizonLimit_(100),
islands_(generateIslands(10)),
currentPosition_()
{}

Island* Map::getIsland(const Island::Coordinates& coordinate) {
auto result = std::find_if(islands_.begin(), islands_.end(), [coordinate](const Island& island){ return island.getPosition() == coordinate; });
if (result != islands_.end()) {
return &(*result);
}
return nullptr;
}

std::vector<Island> Map::generateIslands(const size_t numberOfIslands) const {
if (numberOfIslands < 1) {
return {};
}
auto xyPositions = generateRandomPositions(numberOfIslands * 2);
std::vector<Island> islands;
islands.reserve(xyPositions.size() / 2);
for (size_t i = 1; i < xyPositions.size(); i += 2) {
islands.emplace_back(Island::Coordinates(xyPositions.at(i - 1), xyPositions.at(i)));
}
return islands;
}

std::vector<int> Map::generateRandomPositions(const size_t numberOfPositions) const {
auto positions = Fortune::getNumbersEvenlyDistributed(0, static_cast<int>(horizonLimit_), static_cast<int>(numberOfPositions));
Fortune::shuffle(positions);
return positions;
}
50 changes: 4 additions & 46 deletions shm/source/Map.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -11,53 +11,11 @@ class Map {
Island* currentPosition_;

public:
Map():
horizonLimit_(100),
islands_(generateIslands(10)),
currentPosition_()
{}
Map();

Map(const Map& map):
horizonLimit_(map.horizonLimit_),
islands_(map.islands_),
currentPosition_(map.currentPosition_)
{}

Map& operator=(const Map& map) {
horizonLimit_ = map.horizonLimit_;
islands_ = map.islands_;
currentPosition_ = currentPosition_;
return *this;
}

Island* getIsland(const Island::Coordinates& coordinate) {
for (auto& island : islands_) {
if (island.getPosition() == coordinate) {
return &island;
}
}
return nullptr;
}
Island* getIsland(const Island::Coordinates& coordinate);

private:
std::vector<Island> generateIslands(const size_t numberOfIslands) const {
if (numberOfIslands < 1) {
return {};
}
auto xyPositions = generateRandomPositions(numberOfIslands);
std::vector<Island> islands;
islands.reserve(xyPositions.size() / 2);
for (size_t i = 1; i < xyPositions.size(); i += 2) {
islands.emplace_back(Island::Coordinates(xyPositions.at(i - 1), xyPositions.at(i)));
}
return islands;
}

std::vector<int> generateRandomPositions(const size_t n) const {
auto positions = Fortune::getNumbersEvenlyDistributed(0, static_cast<int>(horizonLimit_), static_cast<int>(n));
auto yPositions = Fortune::getNumbersEvenlyDistributed(0, static_cast<int>(horizonLimit_), static_cast<int>(n));
positions.insert(positions.end(), yPositions.begin(), yPositions.end());
Fortune::shuffle(positions);
return positions;
}
std::vector<Island> generateIslands(const size_t numberOfIslands) const;
std::vector<int> generateRandomPositions(const size_t n) const;
};