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+++ geomant.c
+/*****************************************/
+/* Geomant : a basic implementation */
+/* of the geomanteia intended as a first*/
+/* C training project */
+/* copyright © Sylvain Saboua */
+/*****************************************/
+
+# include <stdlib.h>
+# include <stdio.h>
+# include <string.h>
+# include <unistd.h>
+
+char *txt_topic ; size_t txt_topic_size = 0UL ;
+
+// arrays displaying which figure part the user is generating.
+// used between the mantize() function that gathers/parses user input,
+// and generate() that generates the figures from it.
+static char *mother_figures[] = { "1st", "2nd", "3rd", "4th" } ; int n_figure ;
+static char *body_parts[] = { "head", "neck", "body", "feet" } ; int n_bodypart ;
+
+// figures initialization (all 15 figures)
+char *figures[15][4] = {
+ // mothers
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+
+ // daughters
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+
+ // nieces
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+
+ // witnesses & judge
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "},
+ {" ", " ", " ", " "}
+} ;
+
+// used to temporarily store user input, which may be anything other than \0 and \n
+char *txt_raw_scrap = NULL ;
+size_t txt_raw_scrap_size = 0UL ;
+
+
+/*
+
+ "mantize" : input fuction
+
+ This function gathers a string of user input
+ and returns a 0 or 1 for the evenness or
+ oddity of the number of characters. It is called
+ in a sequence by the next function to generate
+ the figures one by one.
+
+*/
+
+int mantize ( int n_bodypart, int n_figure ) {
+ printf ( "Hold or repeatedly press a key or keys to generate the %s of the %s mother, then press Enter:\n",
+ body_parts[n_bodypart], mother_figures[n_figure] ) ;
+ getline ( &txt_raw_scrap, &txt_raw_scrap_size, stdin ) ;
+ return ( ( strlen ( txt_raw_scrap ) -1 ) % 2 ) ; // substracting 1 as the \n character
+}
+
+
+/*
+
+ "generate" fuction:
+
+ This function takes the cast result (being 0 or 1,
+ odd or even) and use it to generate
+ all 15 figures, from the mothers down to the
+ daughters, nieces, witnesses and judge.
+
+*/
+
+int generate(){
+
+ // generating the mothers
+ for ( n_figure = 0 ; n_figure < 4 ; n_figure++ ) {
+ for ( n_bodypart = 0 ; n_bodypart < 4 ; n_bodypart++ ) {
+ figures[n_figure][n_bodypart] =
+ (0 == mantize(n_bodypart, n_figure)) ? "* *" : " * " ;
+ system("clear");
+ }
+ }
+
+ //generating the four daughters from the four mothers
+
+ figures[4][0] = figures[0][0] ;
+ figures[4][1] = figures[1][0] ;
+ figures[4][2] = figures[2][0] ;
+ figures[4][3] = figures[3][0] ;
+
+ figures[5][0] = figures[0][1] ;
+ figures[5][1] = figures[1][1] ;
+ figures[5][2] = figures[2][1] ;
+ figures[5][3] = figures[3][1] ;
+
+ figures[6][0] = figures[0][2] ;
+ figures[6][1] = figures[1][2] ;
+ figures[6][2] = figures[2][2] ;
+ figures[6][3] = figures[3][2] ;
+
+ figures[7][0] = figures[0][3] ;
+ figures[7][1] = figures[1][3] ;
+ figures[7][2] = figures[2][3] ;
+ figures[7][3] = figures[3][3] ;
+
+ // generating the nieces
+
+ figures[8][0] = ( figures[0][0] == figures[1][0] ) ? "* *" : " * " ;
+ figures[8][1] = ( figures[0][1] == figures[1][1] ) ? "* *" : " * " ;
+ figures[8][2] = ( figures[0][2] == figures[1][2] ) ? "* *" : " * " ;
+ figures[8][3] = ( figures[0][3] == figures[1][3] ) ? "* *" : " * " ;
+
+ figures[9][0] = ( figures[2][0] == figures[3][0] ) ? "* *" : " * " ;
+ figures[9][1] = ( figures[2][1] == figures[3][1] ) ? "* *" : " * " ;
+ figures[9][2] = ( figures[2][2] == figures[3][2] ) ? "* *" : " * " ;
+ figures[9][3] = ( figures[2][3] == figures[3][3] ) ? "* *" : " * " ;
+
+ figures[10][0] = ( figures[4][0] == figures[5][0] ) ? "* *" : " * " ;
+ figures[10][1] = ( figures[4][1] == figures[5][1] ) ? "* *" : " * " ;
+ figures[10][2] = ( figures[4][2] == figures[5][2] ) ? "* *" : " * " ;
+ figures[10][3] = ( figures[4][3] == figures[5][3] ) ? "* *" : " * " ;
+
+ figures[11][0] = ( figures[6][0] == figures[7][0] ) ? "* *" : " * " ;
+ figures[11][1] = ( figures[6][1] == figures[7][1] ) ? "* *" : " * " ;
+ figures[11][2] = ( figures[6][2] == figures[7][2] ) ? "* *" : " * " ;
+ figures[11][3] = ( figures[6][3] == figures[7][3] ) ? "* *" : " * " ;
+
+ // generating the witnesses
+
+ figures[12][0] = ( figures[8][0] == figures[9][0] ) ? "* *" : " * " ;
+ figures[12][1] = ( figures[8][1] == figures[9][1] ) ? "* *" : " * " ;
+ figures[12][2] = ( figures[8][2] == figures[9][2] ) ? "* *" : " * " ;
+ figures[12][3] = ( figures[8][3] == figures[9][3] ) ? "* *" : " * " ;
+
+ figures[13][0] = ( figures[10][0] == figures[11][0] ) ? "* *" : " * " ;
+ figures[13][1] = ( figures[10][1] == figures[11][1] ) ? "* *" : " * " ;
+ figures[13][2] = ( figures[10][2] == figures[11][2] ) ? "* *" : " * " ;
+ figures[13][3] = ( figures[10][3] == figures[11][3] ) ? "* *" : " * " ;
+
+ //generating the judge
+
+ figures[14][0] = ( figures[12][0] == figures[13][0] ) ? "* *" : " * " ;
+ figures[14][1] = ( figures[12][1] == figures[13][1] ) ? "* *" : " * " ;
+ figures[14][2] = ( figures[12][2] == figures[13][2] ) ? "* *" : " * " ;
+ figures[14][3] = ( figures[12][3] == figures[13][3] ) ? "* *" : " * " ;
+
+ return *figures[14][3] ;
+}
+
+
+/*
+
+ "display" function:
+
+ This function will display onscreen the final
+ geomantic Shield for the given divination.
+ The "-" & "|" characters are used for separation
+ while the dots are displayed using "*"
+
+*/
+
+int main(){
+
+ printf("What is the subject title of your enquiry ?\n");
+ getline ( &txt_topic, &txt_topic_size, stdin ) ;
+
+ generate();
+
+ printf ("\n %s\n", txt_topic);
+ printf (" |-----------------------------------------|\n"); // top line
+
+ // printing the first 8 figures (4 daughters & 4 mothers)
+ printf (" | %s %s %s %s | %s %s %s %s |\n"
+ " | %s %s %s %s | %s %s %s %s |\n"
+ " | %s %s %s %s | %s %s %s %s |\n"
+ " | %s %s %s %s | %s %s %s %s |\n",
+ figures[7][0],figures[6][0],figures[5][0],figures[4][0],
+ figures[3][0],figures[2][0],figures[1][0],figures[0][0],
+ figures[7][1],figures[6][1],figures[5][1],figures[4][1],
+ figures[3][1],figures[2][1],figures[1][1],figures[0][1],
+ figures[7][2],figures[6][2],figures[5][2],figures[4][2],
+ figures[3][2],figures[2][2],figures[1][2],figures[0][2],
+ figures[7][3],figures[6][3],figures[5][3],figures[4][3],
+ figures[3][3],figures[2][3],figures[1][3],figures[0][3]);
+ printf (" |-----------------------------------------|\n");
+
+ // printing the four nieces
+ printf (" | %s %s | %s %s |\n"
+ " | %s %s | %s %s |\n"
+ " | %s %s | %s %s |\n"
+ " | %s %s | %s %s |\n",
+ figures[11][0],figures[10][0],figures[9][0],figures[8][0],
+ figures[11][1],figures[10][1],figures[9][1],figures[8][1],
+ figures[11][2],figures[10][2],figures[9][2],figures[8][2],
+ figures[11][3],figures[10][3],figures[9][3],figures[8][3]);
+ printf (" |-----------------------------------------|\n");
+
+ // printing the witnesses (12 & 13) and judge (14)
+ printf (" | | | |\n");
+ printf (" | %s | %s | %s |\n"
+ " | %s | %s | %s |\n"
+ " | %s | %s | %s |\n"
+ " | %s | %s | %s |\n",
+ figures[13][0],figures[14][0],figures[12][0],
+ figures[13][1],figures[14][1],figures[12][1],
+ figures[13][2],figures[14][2],figures[12][2],
+ figures[13][3],figures[14][3],figures[12][3]);
+
+ printf (" \\_________________________________________/\n\n");
+
+}
