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happyBirthdayChick.c
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happyBirthdayChick.c
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/*
* Written with love by telekobold for schauerstoff
*
* The MIT License (MIT)
*
* (c) 2020 Michael Merz <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#ifdef linux
#include <unistd.h>
#define SLEEP usleep(250000)
#define CLEAR "clear"
#elif _WIN32
#include <windows.h>
#define SLEEP Sleep(500)
#define CLEAR "cls"
#endif
// MAX_DISTANCE: The maximum way the chick walks on the screen;
// should match with the screen width.
#define MAX_DISTANCE 80
// MAX_WISHES: The maximum number of wishes the chick says on a single walk;
// should match with MAX_DISTANCE.
#define MAX_WISHES 6
#define WISH_DISPLAY_DURATION 6 // should match with MAX_DISTANCE
// char arrays for a chick without a speech bubble:
const char *c_0 = " _---_\n\0";
const char *c_1 = " / o__o\\\n\0";
const char *c_2 = " \\ \\/ /\n\0";
const char *c_3 = "___/ \\_\n\0";
const char *c_4 = "\\- )\n\0";
const char *c_5 = " \\ /\n\0";
const char *c_6 = " \\______/\n\0";
const char *c_7 = " | | \n\0";
const char *c_8 = " /|\\ /|\\\n\0";
// char arrays for a chick with a "piiiep" speech bubble:
// (cs1 = "chick with speech bubble 1")
const char *cs1_0 = " _---_ ______\n\0";
const char *cs1_1 = " / o__o\\ / \\\n\0";
const char *cs1_2 = " \\ \\/ / < piiiep! |\n\0";
const char *cs1_3 = "___/ \\_ \\ ______ /\n\0";
const char *cs1_4 = "\\- )\n\0";
const char *cs1_5 = " \\ /\n\0";
const char *cs1_6 = " \\______/\n\0";
const char *cs1_7 = " | | \n\0";
const char *cs1_8 = " /|\\ /|\\\n\0";
// char arrays for a chick with a "happy birthday" speech bubble:
// (cs2 = "chick with speech bubble 2")
const char *cs2_0 = " _---_ _________________________________\n\0";
const char *cs2_1 = " / o__o\\ / \\\n\0";
const char *cs2_2 = " \\ \\/ / < Happy birthday, schauerstoffi <3 |\n\0";
const char *cs2_3 = "___/ \\_ \\ _________________________________ /\n\0";
const char *cs2_4 = "\\- )\n\0";
const char *cs2_5 = " \\ /\n\0";
const char *cs2_6 = " \\______/\n\0";
const char *cs2_7 = " | | \n\0";
const char *cs2_8 = " /|\\ /|\\\n\0";
// printArr: Prints all the content of a char array ("a string").
void printArr(const char *arr){
for(; *arr != '\0'; arr++){
putchar(*arr);
}
}
// spaces: Returns a char array ("a string") consisting of distance spaces.
void spaces(const unsigned distance){
for(unsigned i = 0; i < distance; i++){
putchar(' ');
}
}
// chickWithoutSpeechBubble: Prints a chick without speech bubble with distance
// to the left side of the screen.
void chickWithoutSpeechBubble(const unsigned distance){
spaces(distance);
printArr(c_0);
spaces(distance);
printArr(c_1);
spaces(distance);
printArr(c_2);
spaces(distance);
printArr(c_3);
spaces(distance);
printArr(c_4);
spaces(distance);
printArr(c_5);
spaces(distance);
printArr(c_6);
spaces(distance);
printArr(c_7);
spaces(distance);
printArr(c_8);
}
// chickWithSpeechBubble1: Prints a chick with a "piiiep" speech bubble with
// distance to the left side of the screen.
void chickWithSpeechBubble1(const unsigned distance){
spaces(distance);
printArr(cs1_0);
spaces(distance);
printArr(cs1_1);
spaces(distance);
printArr(cs1_2);
spaces(distance);
printArr(cs1_3);
spaces(distance);
printArr(cs1_4);
spaces(distance);
printArr(cs1_5);
spaces(distance);
printArr(cs1_6);
spaces(distance);
printArr(cs1_7);
spaces(distance);
printArr(cs1_8);
}
// chickWithSpeechBubble2: Prints a chick with a "happy birthday" speech bubble
// with distance to the left side of the screen.
void chickWithSpeechBubble2(const unsigned distance){
spaces(distance);
printArr(cs2_0);
spaces(distance);
printArr(cs2_1);
spaces(distance);
printArr(cs2_2);
spaces(distance);
printArr(cs2_3);
spaces(distance);
printArr(cs2_4);
spaces(distance);
printArr(cs2_5);
spaces(distance);
printArr(cs2_6);
spaces(distance);
printArr(cs2_7);
spaces(distance);
printArr(cs2_8);
}
// randNumGen: Fills randNumbers with randNumbersSize random numbers between
// lower and upper.
void randNumGen(const unsigned lower, const unsigned upper, unsigned *randNumbers, const unsigned randNumbersSize){
// Seed rand()'s random number generator using the current UNIX system time
// in milliseconds (on UNIX systems).
srand((unsigned) time(0));
for(unsigned i = 0; i < randNumbersSize; i++){
// Generate a number between lower and upper and add it to the current index position in randNumbers:
randNumbers[i] = (rand() % (upper - lower + 1)) + lower;
}
}
// contains: returns 1 if numbers contains number, 0 otherwise.
unsigned contains(const unsigned *numbers, const unsigned numbersSize, const unsigned number){
for(unsigned i = 0; i < numbersSize; i++){
if(numbers[i] == number){
return 1;
}
}
return 0;
}
// Makes a chick walk horizontally across the screen, saying "piiiep" and
// wishing schauerstoffi a happy birthday <3
int main(void){
const unsigned randNumbersLength = MAX_WISHES * 2;
unsigned randNumbers[randNumbersLength];
unsigned alternateWithesCounter = 1;
unsigned entered = 0;
unsigned displayDurationCounter = 0;
while(1){
// Re-fill randNumbers with new random numbers:
randNumGen(0, MAX_DISTANCE, randNumbers, MAX_WISHES);
for(unsigned distance = 0; distance < MAX_DISTANCE; distance++){
// Show each wish WISH_DISPLAY_DURATION walk steps long.
if(!entered && contains(randNumbers, MAX_WISHES, distance)){
entered = 1;
// Show the two withes ("piiiep" and "happy birthday")
// in alternate order.
if(alternateWithesCounter == 0){
alternateWithesCounter = 1;
} else {
alternateWithesCounter = 0;
}
}
if(entered && displayDurationCounter < WISH_DISPLAY_DURATION){
if(alternateWithesCounter == 0){
chickWithSpeechBubble1(distance);
} else {
chickWithSpeechBubble2(distance);
}
displayDurationCounter++;
} else {
chickWithoutSpeechBubble(distance);
entered = 0;
displayDurationCounter = 0;
}
SLEEP;
system(CLEAR);
}
}
return 0;
}