added game loop entry with mainstack; shuffle it at beginning

1 files changed, 40 insertions, 0 deletions

diff --git a/src/game.c b/src/game.c
new file mode 100644
index 0000000..a7e33be
--- /dev/null
+++ b/src/game.c
@@ -0,0 +1,40 @@
+#include "game.h"
+#include "card.h"
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+
+void init_mainstack(card* stack, const uint32_t size)
+{
+	// assign card values to main stack
+	for(uint32_t i=0, val=MIN_CARD; i<size; i++, val++)
+		stack[i] = val;
+
+	// shuffle stack
+	for(uint32_t i=0; i<3*size; i++)
+	{
+		uint32_t x = rand() % size;
+		uint32_t y = rand() % size;
+		card tmp = stack[x];
+		stack[x] = stack[y];
+		stack[y] = tmp;
+	}
+}
+
+void start_game(void)
+{
+	bool running = true;
+	int cards = MAX_CARD - MIN_CARD + 1;
+	card mainstack[cards];
+
+	srand(time(0));
+
+	init_mainstack(mainstack, cards);
+
+	// main game loop
+	while(running)
+	{
+
+	}
+}
+