#include #include #include #include #include #include #include using namespace std; /* Code By: Zeke Williams Date: July 5, 2018 Description: This code is for the contest "Defend the Base". So at the very end of the assigment page, it says "...and output the launch position of the missiles along with their movement patterns", so maybe that is what I will do for C++. Features: Creates random objects/entities and displays them, along with an empty board. */ // function for random number ranges int randAtoB(int a, int b) { return (rand() % (b - a + 1) + a); } int convertDirection(char dir) { if (dir == 'D' || dir == 'R') return 1; else return -1; } class Missile { private: int speed; int power; int frame; int xpos; int ypos; bool offGrid; bool exploded; vector movementDirections; public: int getX(); int getY(); void update(const int boardSz); void launch(int x, int y); void display() const; public: Missile(int spd, int pwr); }; Missile::Missile(int spd, int pwr) : speed(spd), power(pwr), frame(0) , xpos(0) , ypos(0) , offGrid(false) , exploded(false) { int nDirections = randAtoB(2, 6); for (int i = 0; i < nDirections; ++i) { if (i % 2) { // for a missile, every other direction must be up. int dir = randAtoB(0, 2); // 0, 1, or 2 if (dir == 1) movementDirections.push_back('R'); else if (dir == 2) movementDirections.push_back('U'); else movementDirections.push_back('L'); } else { movementDirections.push_back('U'); } } } int Missile::getX() { return xpos; } int Missile::getY() { return ypos; } void Missile::update(const int boardSz) { if (xpos >= boardSz || xpos < 0 || ypos >= boardSz || ypos < 0) { offGrid = true; } if (!offGrid) { char dir = movementDirections[frame]; if (dir == 'U' || dir == 'D') { ypos += convertDirection(dir) * speed; } else { xpos += convertDirection(dir) * speed; } frame++; frame %= movementDirections.size(); } else { exploded = true; } } void Missile::launch(int x, int y) { xpos = x; ypos = y; } void Missile::display() const { cout << "X-POS: " << xpos << " | Y-POS: " << ypos << " | SPD: " << speed << " | PWR: " << power; if (exploded) { cout << " HIT!"; } cout << endl; } class Entity { private: vector movementDirections; int speed; bool isAlly; bool isDead; int width; int height; int xpos; int ypos; public: void display() const; public: Entity(int spd, bool isAlly, int xpos, int ypos, int w, int h); }; Entity::Entity(int spd, bool isAlly, int x, int y, int w, int h) : speed(spd) , isAlly(isAlly) , xpos(x) , ypos(y) , width(w) , height(h) , isDead(false) { int nDirections = randAtoB(2, 4); movementDirections.reserve(nDirections); int i; for (i = 0; i < nDirections; ++i) { int dir = randAtoB(0, 3); switch (dir) { case 0: movementDirections.push_back('R'); break; case 1: movementDirections.push_back('L'); break; case 2: movementDirections.push_back('U'); break; case 3: movementDirections.push_back('D'); break; default: movementDirections.push_back('R'); } } } void Entity::display() const { cout << "SPD: " << speed; cout << " | ALLY: "; if (isAlly) cout << "YES"; else cout << "NO"; cout << " | X-POS: " << xpos << " | Y-POS: " << ypos << endl; } class RadarBoard { private: int size; int nMissiles; vector< vector > board; vector entities; vector missiles; public: void display() const; void showEntities() const; void generateEntities(); void launchMissiles(); void update(); public: RadarBoard(int size, int nMissiles); }; RadarBoard::RadarBoard(int size, int nMissiles) : size(size), nMissiles(nMissiles) { // fill board with emptyness (like my soul) board.reserve(size); int i; for (i = 0; i < size; ++i) { board.push_back(vector(size, '*')); } // create and fill entities randomly int nEnts = randAtoB(4, 10);// 4 - 10 entities entities.reserve(nEnts); for (i = 0; i < nEnts; ++i) { int spd = randAtoB(1, 4); bool ally = randAtoB(0, 1); int x = randAtoB(0, size - 1); int y = randAtoB(0, size - 1); int w = randAtoB(1, 5); int h = randAtoB(1, 5); Entity e(spd, ally, x, y, w, h); entities.push_back(e); } // create and fill missiles randomly missiles.reserve(nMissiles); for (i = 0; i < nMissiles; ++i) { int spd = randAtoB(1, 4); int pwr = randAtoB(1, 4); Missile m(spd, pwr); missiles.push_back(m); } missiles[0].launch(4, size - 1); } void RadarBoard::display() const { int i; for (i = 0; i < missiles.size(); ++i) { cout << "\nMissile " << i + 1 << endl; missiles[i].display(); } cout << endl; } void RadarBoard::showEntities() const { int i; for (i = 0; i < entities.size(); ++i) { cout << "\nEntity " << i + 1 << endl; entities[i].display(); } } void RadarBoard::update() { int i; for (i = 0; i < missiles.size(); ++i) { missiles[i].update(size); } } void RadarBoard::launchMissiles() { int i; for (i = 0; i < missiles.size(); ++i) { int x = randAtoB(0, size - 1); missiles[i].launch(x, size - 1); } } int main() { srand(static_cast(time(nullptr))); int boardSize = 15, nMissiles = 5; cin >> boardSize >> nMissiles; if (boardSize < 10 || boardSize > 30) boardSize = 15; if (nMissiles <= 0 || nMissiles > 15) nMissiles = 5; RadarBoard rb(boardSize, nMissiles); // calc missile paths rb.launchMissiles(); rb.display(); for (int i = 0; i < 10; ++i) { rb.update(); rb.display(); } // rb.display(); // rb.showEntities(); //cout << boardSize << ", " << nMissiles << endl; return 0; }

[CONTEST] Defend the Base!