/* This an example program that shows how navigation can be done, and proposes data structures that may be useful. */ #include <iostream> using namespace std; enum roomName {BANANA_TREE,ISLAND,GANGPLANK,NO_ROOM}; //If you declare an array to be of size NO_ROOM, it will be of size 3, and //BANANA_TREE, ISLAND, and GANGPLANK become the valid subscripts. When you add // more rooms, the array will automatically grow to match. struct itemList { bool bananas; bool keys; bool knife; bool treasure; }; struct roomType { string shortDescription; string longDescription; roomName exitUp;// These are the rooms that you enter when you leave roomName exitDown;// in these directions. roomName exitNorth; roomName exitEast; roomName exitSouth; roomName exitWest; itemList items;//items in room bool visited;//true if the player has been in the room before. // used to choose long or short description }; struct puzzleType { bool gorillaSolved;//Initially false, true when puzzle is solved bool prisonerSolved; bool parrotSolved; }; struct playerType { string name; roomName currentRoom; itemList items;//what player is carrying };
int main() { string command; playerType player; roomType rooms[NO_ROOM]; initialize(player,rooms); readCommand(command); while (command!="quit") { execute(command,player,rooms); readCommand(command); } cout<<"Thanks for playing!\n"; return 0; }
//This function reads the command. For now, it's a simple cin of one word. void readCommand(string& command) { cout<<"Command? "; cin>>command; }
//Right now, all this does is recognize the one letter abbreviations for the // directional commands. Whole words should be recognized. It should not matter //if the commands are in upper or lower case. void execute(string command, playerType& player,roomType rooms[NO_ROOM]) { roomName oldRoom; oldRoom=player.currentRoom; if(command=="n")//Should work with whole words too. Upper or lower case player.currentRoom=rooms[player.currentRoom].exitNorth;//should not matter. else if(command=="s") player.currentRoom=rooms[player.currentRoom].exitSouth; else if(command=="e") player.currentRoom=rooms[player.currentRoom].exitEast; else if(command=="w") player.currentRoom=rooms[player.currentRoom].exitWest; else if(command=="u") player.currentRoom=rooms[player.currentRoom].exitUp; else if(command=="d") player.currentRoom=rooms[player.currentRoom].exitDown; if(player.currentRoom==NO_ROOM)//If you went somewhere invalid, player.currentRoom=oldRoom;//go back where you were. cout<<rooms[player.currentRoom].shortDescription<<endl;// Use long or short //description as needed }
//You can use a for loop to set all the descriptions to "", all the bools to //false, and all the exits to NO_ROOM, and then only reset those values // which are different. void initialize(playerType& player ,roomType rooms[NO_ROOM]) { player.currentRoom=ISLAND; player.items.bananas=false;//etc cout<<"What is your name? "; cin>>player.name; //or use getline(cin, player.name);
rooms[BANANA_TREE].longDescription="There is a large banana tree here."; rooms[BANANA_TREE].longDescription+=" There is one bunch of ripe bananas"; rooms[BANANA_TREE].longDescription+=" on the tree within reach."; rooms[BANANA_TREE].shortDescription="You are at the banana tree."; rooms[BANANA_TREE].exitUp=NO_ROOM; rooms[BANANA_TREE].exitDown=NO_ROOM; rooms[BANANA_TREE].exitNorth=NO_ROOM; rooms[BANANA_TREE].exitSouth=ISLAND; rooms[BANANA_TREE].exitEast=NO_ROOM; rooms[BANANA_TREE].exitWest=NO_ROOM; rooms[BANANA_TREE].items.bananas=true;//because there are bananas on the tree rooms[BANANA_TREE].items.keys=false; rooms[BANANA_TREE].items.knife=false; rooms[BANANA_TREE].items.treasure=false;
rooms[ISLAND].shortDescription="You are on the island."; rooms[ISLAND].exitUp=NO_ROOM; rooms[ISLAND].exitDown=NO_ROOM; rooms[ISLAND].exitNorth=BANANA_TREE; rooms[ISLAND].exitSouth=GANGPLANK; rooms[ISLAND].exitEast=NO_ROOM; rooms[ISLAND].exitWest=NO_ROOM; rooms[ISLAND].items.bananas=false; rooms[ISLAND].items.keys=false; rooms[ISLAND].items.knife=false; rooms[ISLAND].items.treasure=false;
rooms[GANGPLANK].shortDescription="You are on the gangplank."; rooms[GANGPLANK].exitUp=NO_ROOM; rooms[GANGPLANK].exitDown=NO_ROOM; rooms[GANGPLANK].exitNorth=ISLAND; rooms[GANGPLANK].exitSouth=NO_ROOM;// this is TOP_DECK in real game rooms[GANGPLANK].exitEast=NO_ROOM; rooms[GANGPLANK].exitWest=NO_ROOM; rooms[GANGPLANK].items.bananas=false; rooms[GANGPLANK].items.keys=false; rooms[GANGPLANK].items.knife=false; rooms[GANGPLANK].items.treasure=false; }