From 538de01186db6128e737f6eb480e31fa151f9e05 Mon Sep 17 00:00:00 2001
From: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>
Date: Thu, 30 Jun 2011 16:15:03 +0200
Subject: [PATCH] big step

---
 star.c | 105 ++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 81 insertions(+), 24 deletions(-)

diff --git a/star.c b/star.c
index 4288bbb..6dba4d1 100644
--- a/star.c
+++ b/star.c
@@ -1,40 +1,97 @@
 #include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
 
 #define LEVEL_HEIGHT 9
 #define LEVEL_WIDTH 16
+
+#define WALL 'W'
+#define BALL 'B'
+#define CUBE 'C'
+#define VOID 'V'
+#define GIFT 'G'
+
 char* levels[] = { "WWWWWWWWWWWWWWWWWBWWVVVVVVVVGWCWWVVVVVVVVVVGVWWWWVVVVVVVWWGVVVVWWVVVWWVGVVVVVVWWWWVGVVGVVVVVGVVWWVGVVVVVVGWWVGVWWVVVVVWWGVVVVVGWWWWWWWWWWWWWWWWW" };
 
+struct {
+   char level[ LEVEL_HEIGHT * LEVEL_WIDTH ];
+} state;
+
+int count_gifts( char* lvl )
+{
+   int i, n = 0;
+   for( i = 0 ; i < LEVEL_HEIGHT * LEVEL_WIDTH ; i++ ) {
+	  if ( lvl[ i ] == GIFT ) {
+		 n++;
+	  }
+   }
+   return n;
+}
+
+void get_pos( char* lvl, char item, int* pos )
+{
+   int p;
+   
+   p = (int)( strchr( lvl, item ) - lvl );
+   fprintf( stderr, "### %i\n", p );
+
+   pos[ 1 ] = p / LEVEL_WIDTH;
+   pos[ 0 ] = p - ( pos[ 1 ] * LEVEL_WIDTH );
+}
+
+char get_cell( char* lvl, int x, int y )
+{
+   return lvl[ y * LEVEL_WIDTH + x ];
+}
+
+void load_level( char* lvl )
+{
+   strncpy( state.level, lvl, LEVEL_HEIGHT * LEVEL_WIDTH );
+}
+
 void display_level( char* lvl )
 {
-   int i;
-   for( i = 0 ; i < LEVEL_HEIGHT * LEVEL_WIDTH ; i++ ) {
-	  if ( ( i > 0 ) && ( i % LEVEL_WIDTH == 0 ) ) {
-		 printf( "\n" );
-	  }
-	  switch( lvl[ i ] ) {
-		 case 'W':
-			printf( "##" );
-			break;
-		 case 'V':
-			printf( "  " );
-			break;
-		 case 'B':
-			printf( "()" );
-			break;
-		 case 'C':
-			printf( "[]" );
-			break;
-		 case 'G':
-			printf( "<>" );
-			break;
-		 default: break;
+   int i, j, *ball, *cube;
+   ball = malloc( sizeof( int ) * 2 );
+   cube = malloc( sizeof( int ) * 2 );
+   
+   printf( "%i gifts\n", count_gifts( lvl ) );
+   get_pos( lvl, BALL, ball );
+   get_pos( lvl, CUBE, cube );
+   printf( "Ball: ( %i, %i) ; Cube: ( %i, %i)\n", ball[ 0 ], ball[ 1 ], cube[ 0 ], cube[ 1 ] );
+   
+   for( i = 0 ; i < LEVEL_HEIGHT ; i++ ) {
+	  for( j = 0 ; j < LEVEL_WIDTH ; j++ ) {
+		 switch( get_cell( lvl, j, i ) ) {
+			case WALL:
+			   printf( "##" );
+			   break;
+			case VOID:
+			   printf( "  " );
+			   break;
+			case BALL:
+			   printf( "()" );
+			   break;
+			case CUBE:
+			   printf( "[]" );
+			   break;
+			case GIFT:
+			   printf( "<>" );
+			   break;
+			default: break;
+		 }
 	  }
+	  printf( "\n" );
    }
-   printf( "\n" );
+
+   free( ball );
+   free( cube );
 }
 
 int main( int argc, char* argv[] )
 {
-   display_level( levels[ 0 ] );
+   load_level( levels[ 0 ] );
+   
+   display_level( state.level );
    return 0;
 }