diff options
Diffstat (limited to 'ee1301')
| -rw-r--r-- | ee1301/wk6/dice.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/ee1301/wk6/dice.cpp b/ee1301/wk6/dice.cpp new file mode 100644 index 0000000..ebdb7d6 --- /dev/null +++ b/ee1301/wk6/dice.cpp @@ -0,0 +1,178 @@ +#include <iostream> +#include <cstdlib> +using namespace std; + +const int maxNumDie=50; + +int* userInputParser(string s); + +class Dice { +private: + int min; + int max; + +public: +// void roll(); +}; + +int main() +{ + srand(time(NULL)); // DO NOT WRITE THIS LINE AGAIN OR ANYWHERE ELSE + cout << "What do you want to roll? "; + string s; + getline(cin, s); + cin.ignore(); + cout << "How many rounds do you want to roll?"; + cin >> rounds; + int* pairs = userInputParser(s); + + // This will display the array of die information retrieved from user. + // Replace the following code when you submit your solution. + + // pairs is an array with the following format: + // {num_dice, + // first_die_start, + // first_die_end, + // second_die_start, + // ... } + for(int i=1; i < pairs[0]; i+=2) + { + cout << "["<<pairs[i]<<","<<pairs[i+1]<<"]" << endl; + } +} + + +int* userInputParser(string s) { + static int dice[2*maxNumDie+1] = {0}; // array format: + // {num_dice, + // first_die_start, + // first_die_end, + // second_die_start, + // ... } + // max of maxNumDie dice supported + + string data[4*maxNumDie]; // Intermediate storage for parsing input string + + // count how many '+'s or 'd's there are... + int parts = 0; + for(int i=0; i < s.length(); i++) + { + if(s[i] == 'd' || s[i] == '+') + { + parts++; + } + } + // ... so we know the number of times to decode values + + int index=0; + unsigned d = s.find('d'); + unsigned p = s.find('+'); + while(d != static_cast<unsigned>(-1) || p != static_cast<unsigned>(-1)) + { + bool dFirst = d < p; + if(dFirst) + { + string before = s.substr(0,d); // part before the 'd' (should be just one number) + // figure out what number is after 'd' + int count = 0; + bool foundDigit=false; + for(int i=0; i< static_cast<signed>(s.length()-d-1); i++) + { + if(isdigit(s[count+d+1])) + { + foundDigit=true; + } + if(!isdigit(s[count+d+1]) && foundDigit) + { + break; + } + count++; + } + string after = s.substr(d+1,count); //should be just the number after 'd' + + // store these two parts + data[index] = before; + data[index+1] = after; + index+=2; + + + // remove this part from the string s + s = s.substr(d+count+1); // discard these two parts + } + else // same idea for the '+' + { + // figure out what number is after '+' + int count = 0; + bool foundDigit=false; + for(int i=0; i< static_cast<signed>(s.length()-p-1); i++) + { + if(isdigit(s[count+p+1])) + { + foundDigit=true; + } + if(!isdigit(s[count+p+1]) && foundDigit) + { + break; + } + count++; + } + string after = s.substr(p+1,count); //should be just the number after '+' + + // store this part + data[index] = "+"; + data[index+1] = after; + index+=2; + + + // remove this part from the string s + s = s.substr(p+count+1); // discard these two parts + } + + // update d and p for next loop interation + d = s.find('d'); + p = s.find('+'); + + } + + // now we need to figure out how many dice there are (as 2d4 is 2 dice) + // we will treat "+2" as a die that rolls [2,2] + int diceCount = 0; + for(int i=0; i < parts*2; i+=2) + { + if(data[i][0] == '+') + { + diceCount++; + } + else + { + diceCount+=atoi(data[i].c_str()); + } + } + + dice[0] = diceCount*2+1; // put size in first index + + int ind=1; // index for the "dice" array (as not same as data array) + for(int i=0; i < parts*2; i+=2) + { + // if we have a +, add a "Dice" that has a range of 0 + if(data[i][0] == '+') + { + dice[ind] = atoi(data[i+1].c_str()); + dice[ind+1] = atoi(data[i+1].c_str()); + + ind+=2; + } + else // otherwise add however many of the dice requested + { + for(int j=0; j < atoi(data[i].c_str()); j++) + { + dice[ind] = 1; + dice[ind+1] = atoi(data[i+1].c_str()); + + ind += 2; + } + } + } + + return dice; +} |