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-rw-r--r--ncsweeper.c203
1 files changed, 174 insertions, 29 deletions
diff --git a/ncsweeper.c b/ncsweeper.c
index 2129284..504c4fc 100644
--- a/ncsweeper.c
+++ b/ncsweeper.c
@@ -24,7 +24,7 @@
#define WIDTH 15
#define HEIGHT 15
-#define MINECOUNT 35
+#define MINECOUNT 20
#define TILEGAP 2
#define DOWN 0
#define UP 1
@@ -106,7 +106,7 @@ int exitgame = 0;
void draw();
int canmove(int dir);
-void generateboard();
+int generateboard();
void drawboard();
int reveal(int x, int y);
void revealmines();
@@ -115,9 +115,11 @@ struct tile *gettileat(int x, int y);
int checkwin();
enum DEMO_ACTION_TYPE input();
void free_action_list();
-struct action_node *generate_action_node(double delay, enum DEMO_ACTION_TYPE type, struct tile *tile);
+struct action_node *generate_action_node(double delay, enum DEMO_ACTION_TYPE type, int x, int y);
int append_action_node(struct action_node *node);
void save_demo();
+int load_demo();
+struct action_node *play_demo_action(struct action_node *current_action);
struct tile *getneighbors(struct tile *tile, struct tile **neighbors)
{
@@ -166,20 +168,34 @@ checkwin()
return (correctflags == allowedmines) || (correcttiles == safetiles);
}
-void
+int
generateboard()
{
srand(time(NULL));
-
- /* place mines */
board = malloc(sizeof (struct tile) * (game.width * game.height));
- for (int x = 0; x < game.minecount; x++)
+ if (!game.is_demo)
{
+ /* place mines */
int mx, my;
- mx = rand() % game.width;
- my = rand() % game.height;
- struct tile *tile = gettileat(mx ,my);
- tile->state |= MINE;
+ for (int x = 0; x < game.minecount; x++)
+ {
+place_mine:
+ mx = rand() % game.width;
+ my = rand() % game.height;
+ /*ensure our tile is not already a mine */
+ if (gettileat(mx, my)->state & MINE)
+ goto place_mine;
+ struct tile *tile = gettileat(mx, my);
+ tile->state |= MINE;
+ }
+ }
+ else
+ {
+ if(!load_demo())
+ {
+ puts("cannot generate board");
+ return 0;
+ }
}
/* figure out neighbors */
@@ -199,12 +215,13 @@ generateboard()
tile->neighbormines += 1;
}
}
+ return 1;
}
struct tile *
gettileat(int x, int y)
{
- if (x < 0 || x > game.width-1 || y < 0 || y > game.height-1)
+ if (x < 0 || x > game.width-1 || y < 0 || y > game.height-1 || board == NULL)
return NULL;
/* the board is single dimensional, so we map it as 2d */
return &board[game.width*x+y];
@@ -372,22 +389,23 @@ free_action_list()
{
node = action_head;
action_head = action_head->next;
+ free(node->action);
free(node);
}
}
-struct action_node *generate_action_node(double delay, enum DEMO_ACTION_TYPE type, struct tile *tile)
+struct action_node *generate_action_node(double delay, enum DEMO_ACTION_TYPE type, int x, int y)
{
struct action_node *node = malloc(sizeof(struct action_node));
struct demo_action *action = malloc(sizeof(struct demo_action));
if (!node || !action)
return NULL;
action->action_pre_delay = delay;
- action->start_x = tile->x;
- action->start_y = tile->y;
+ action->start_x = x;
+ action->start_y = y;
action->type = type;
node->action = action;
- node->next= NULL;
+ node->next = NULL;
return node;
}
@@ -469,7 +487,8 @@ save_demo()
int x = 0;
while (finger)
{
- fwrite(&finger, sizeof(struct action_node), 1, demo);
+ struct demo_action *action = finger->action;
+ fwrite(action, sizeof(struct demo_action), 1, demo);
finger = finger->next;
x++;
}
@@ -478,6 +497,119 @@ save_demo()
}
int
+load_demo()
+{
+ printf("reading demo %s..\n", game.demo_filename);
+ FILE *demo = fopen(game.demo_filename, "rb");
+ if (!demo)
+ {
+ puts("unable to read demo..");
+ return 0;
+ }
+
+ /* read header and set data */
+ struct demo_header header;
+ fread(&header, sizeof(struct demo_header), 1, demo);
+ game.width = header.width;
+ game.height = header.height;
+ game.minecount = header.mine_count;
+
+ /* read and set mine data */
+ struct demo_mine demo_mine;
+ for (int mc = 0; mc < game.minecount; mc++)
+ {
+ fread(&demo_mine, sizeof(struct demo_mine), 1, demo);
+ /* set tile as mine */
+ struct tile *tile = gettileat(demo_mine.x, demo_mine.y);
+ if (!tile)
+ {
+ puts("demo corrupt");
+ fclose(demo);
+ return 0;
+ }
+ tile->state |= MINE;
+ }
+
+ /* read move data and add action to the list */
+ int action_count;
+ fread(&action_count, sizeof action_count, 1, demo);
+ for (int ac = 0; ac < action_count; ac++)
+ {
+ struct demo_action action;
+ fread(&action, sizeof(struct demo_action), 1, demo);
+ struct action_node *move = generate_action_node(action.action_pre_delay, action.type, action.start_x, action.start_y);
+ append_action_node(move);
+ }
+
+ fclose(demo);
+
+ return 1;
+}
+
+struct action_node *play_demo_action(struct action_node *current_action)
+{
+
+ struct demo_action *action = current_action->action;
+ usleep(action->action_pre_delay);
+ struct tile *tile = gettileat(action->start_x, action->start_y);
+ if (!tile)
+ return NULL;
+ switch (action->type)
+ {
+ case GOUP:
+ if (canmove(UP))
+ {
+ cursor.y--;
+ }
+ break;
+
+ case GODOWN:
+ if (canmove(DOWN))
+ {
+ cursor.y++;
+ }
+ break;
+
+ case GOLEFT:
+ if (canmove(LEFT))
+ {
+ cursor.x--;
+ }
+ break;
+ case GORIGHT:
+ if (canmove(RIGHT))
+ {
+ cursor.x++;
+ }
+ break;
+ case FLAG:
+ {
+ if (tile && tile->state & HIDDEN)
+ {
+ tile->state ^= FLAGGED;
+ draw();
+ }
+ break;
+ }
+ case REVEAL:
+ if (tile && !(tile->state & FLAGGED))
+ {
+ exitgame = reveal(action->start_x, action->start_y);
+ }
+ break;
+
+ case QUIT:
+ exitgame = 1;
+ break;
+ case NONE:
+ default:
+ break;
+
+ }
+ return current_action->next;
+}
+
+int
main(int argc, char **argv)
{
game.is_demo = 0;
@@ -512,27 +644,41 @@ main(int argc, char **argv)
game.minecount = MINECOUNT;
game.action_count = 0;
window = newwin(game.height+TILEGAP, (game.width*TILEGAP)+1, 1, 8);
- generateboard();
action_head = malloc(sizeof(struct action_node));
action_head->action = NULL;
action_head->next = NULL;
if (!action_head)
goto safe_exit;
+ if (!generateboard())
+ goto safe_exit;
struct timespec begin, end;
double move_us;
+ struct action_node *current_action = action_head->next;
while(!exitgame)
{
draw();
- clock_gettime(CLOCK_MONOTONIC, &begin);
- enum DEMO_ACTION_TYPE type = input();
- clock_gettime(CLOCK_MONOTONIC, &end);
- move_us = (end.tv_sec - begin.tv_sec) * 1000.0;
- move_us += (end.tv_nsec - begin.tv_nsec) / 1000000.0;
- move_us *= 1000;
- struct action_node *move = generate_action_node(move_us, type, gettileat(cursor.x, cursor.y));
- append_action_node(move);
- game.action_count++;
- //printf("%.3f us elapsed\n", move_us);
+ if (game.is_demo)
+ {
+ if (current_action)
+ {
+ current_action = play_demo_action(current_action);
+ }
+ else
+ exitgame = 1;
+ }
+ else
+ {
+ clock_gettime(CLOCK_MONOTONIC, &begin);
+ enum DEMO_ACTION_TYPE type = input();
+ clock_gettime(CLOCK_MONOTONIC, &end);
+ move_us = (end.tv_sec - begin.tv_sec) * 1000.0;
+ move_us += (end.tv_nsec - begin.tv_nsec) / 1000000.0;
+ move_us *= 1000;
+ struct action_node *move = generate_action_node(move_us, type, cursor.x, cursor.y);
+ append_action_node(move);
+ game.action_count++;
+ //printf("%.3f us elapsed\n", move_us);
+ }
if (checkwin())
{
revealmines();
@@ -556,7 +702,6 @@ safe_exit:
if (game.is_recording)
save_demo();
free(board);
- printf("0x%x\n", game.action_count);
free_action_list();
return 0;
}