1 files changed, 173 insertions, 0 deletions
diff --git a/linux_client/card_stack.c b/linux_client/card_stack.c
new file mode 100644
index 0000000..fc4057c
--- /dev/null
+++ b/linux_client/card_stack.c
@@ -0,0 +1,173 @@
+#include "card_stack.h"
+#include "card_handling.h"
+#include "client.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+void init_stack(player_cards *deck)
+{
+    *deck = NULL;
+}
+
+void push_stack(player_cards *deck, char *str)
+{
+    struct card_stack_item *tmp = malloc(sizeof(struct card_stack_item));
+    tmp->str = str;
+    tmp->tip = ' ';
+    tmp->is_usable = 0;
+    tmp->next = *deck;
+    *deck = tmp;
+}
+
+void clear_stack(player_cards *deck)
+{
+    struct card_stack_item *tmp;
+
+    while(*deck) {
+        tmp = *deck;
+        *deck = tmp->next;
+        if(tmp->str)
+            free(tmp->str);
+        free(tmp);
+    }
+}
+
+int is_empty_stack(player_cards deck)
+{
+    return deck == NULL;
+}
+
+void add_hint_letters_stack(player_cards deck)
+{
+    unsigned char letter = 'a';
+
+    while(deck) {
+        deck->tip = letter;
+        ++letter;
+        if(letter > 'z')
+            letter = 'A';
+        deck = deck->next;
+    }
+}
+
+static int check_no_attackers_cards_marked(player_cards deck)
+{
+    while(deck) {
+        if(deck->is_usable)
+            return 0;
+        deck = deck->next;
+    }
+    return 1;
+}
+
+static void mark_all_card_stack(player_cards deck)
+{
+    player_cards tmp_deck = deck;
+
+    while(tmp_deck) {
+        tmp_deck->is_usable = 1;
+        tmp_deck = tmp_deck->next;
+    }
+}
+
+static void clear_is_usable_status(player_cards deck)
+{
+    while(deck) {
+        if(deck->is_usable)
+            deck->is_usable = 0;
+        deck = deck->next;
+    }
+}
+
+void mark_card_for_attackers_stack(player_cards deck)
+{
+    char *card = NULL, *found_card;
+    struct card_stack_item *search_deck = NULL;
+    int target_rank, found_rank;
+    player_cards tmp_begin_deck = deck;
+
+    clear_is_usable_status(deck);
+    while(deck) {
+        /* is the card already marked? */
+        if(deck->is_usable) {
+            deck = deck->next;
+            continue;
+        }
+        card = deck->str;
+        target_rank = convert_rank_to_int(card);
+        search_deck = deck->next;
+        while(search_deck) {
+            if(search_deck->is_usable) {
+                search_deck = search_deck->next;
+                continue;
+            }
+            found_card = search_deck->str;
+            found_rank = convert_rank_to_int(found_card);
+            if(found_rank == target_rank) {
+                deck->is_usable = 1;
+                search_deck->is_usable = 1;
+            }
+            search_deck = search_deck->next;
+        }
+        deck = deck->next;
+    }
+    if(check_no_attackers_cards_marked(tmp_begin_deck))
+        mark_all_card_stack(tmp_begin_deck);
+}
+
+void mark_card_for_defenders_stack(player_cards deck,
+                                   struct cards_on_table *cot, char *trump_suit)
+{
+    int i;
+
+    while(deck) {
+        for(i = 0; i <= cot->card_arr_idx; ++i)
+            if(((i == 0 || !(i % 3)) && cot->card_arr[i+2][0] == '-') &&
+                    is_card_beaten(cot->card_arr[i], deck->str, trump_suit))
+            {
+                deck->is_usable = 1;
+                break;
+            }
+        deck = deck->next;
+    }
+}
+
+void mark_card_for_tossing_stack(player_cards deck, struct cards_on_table *cot)
+{
+    int i;
+
+    while(deck) {
+        for(i = 0; i <= cot->card_arr_idx; ++i) {
+            if(cot->card_arr[i][0] == '-' || cot->card_arr[i][0] == '\\')
+                continue;
+            if(check_matched_ranks(cot->card_arr[i], deck->str)) {
+                deck->is_usable = 1;
+                break;
+            }
+        }
+        deck = deck->next;
+    }
+}
+
+char* card_search_by_marked_letter(player_cards deck, int letter)
+{
+    while(deck) {
+        if(deck->tip == letter && deck->is_usable) {
+            deck->is_usable = 0;
+            return deck->str;
+        }
+        deck = deck->next;
+    }
+    return NULL;
+}
+
+char* card_search_by_unmarked_letter(player_cards deck, int letter)
+{
+    while(deck) {
+        if(deck->tip == letter)
+            return deck->str;
+        deck = deck->next;
+    }
+    return NULL;
+}