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ugfx/demos/games/minesweeper/mines.c

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C
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#include <stdlib.h>
#include "gfx.h"
#include "mines.h"
typedef struct { // Node properties
gU8 num; // Node number, how many mines around
gBool open; // Node shown or hidden
gBool check; // Node needs to be checked or not, used for opening up empty nodes
gBool flag; // Node is marked with flag by player
gU16 fieldNum; // Node number, used to randomize gamestart "animation"
} nodeProps;
static GEventMouse ev;
static nodeProps minesField[MINES_FIELD_WIDTH][MINES_FIELD_HEIGHT]; // Mines field array
static gBool minesGameOver = gFalse;
static gBool minesGameWinner = gFalse;
static gI16 minesEmptyNodes; // Empty node counter
static gI16 minesFlags; // Flag counter
static gI16 minesTime; // Time counter
static GTimer minesTimeCounterTimer;
static const char* minesGraph[] = {"1.bmp","2.bmp","3.bmp","4.bmp","5.bmp","6.bmp","7.bmp","8.bmp", "closed.bmp", "empty.bmp", "explode.bmp", "flag.bmp", "mine.bmp", "wrong.bmp"}; // 14 elements (0-13)
static gdispImage minesImage;
static gU8 minesStatusIconWidth = 0;
static gU8 minesStatusIconHeight = 0;
static gBool minesFirstGame = gTrue; // Just don't clear field for the first time, as we have black screen already... :/
static gBool minesSplashTxtVisible = gFalse;
#if MINES_SHOW_SPLASH
static GTimer minesSplashBlink;
#endif
static int uitoa(unsigned int value, char* buf, int max)
{
int n = 0;
int i = 0;
int tmp = 0;
if (!buf)
return -3;
if (2 > max)
return -4;
i=1;
tmp = value;
if (0 > tmp) {
tmp *= -1;
i++;
}
for (;;) {
tmp /= 10;
if (0 >= tmp)
break;
i++;
}
if (i >= max) {
buf[0] = '?';
buf[1] = 0x0;
return 2;
}
n = i;
tmp = value;
if (0 > tmp) {
tmp *= -1;
}
buf[i--] = 0x0;
for (;;) {
buf[i--] = (tmp % 10) + '0';
tmp /= 10;
if (0 >= tmp)
break;
}
if (-1 != i) {
buf[i--] = '-';
}
return n;
}
static void initRng(void)
{
srand(gfxSystemTicks());
}
static gU32 randomInt(gU32 max)
{
return rand() % max;
}
static void printStats(void)
{
char pps_str[12];
gFont font = gdispOpenFont("fixed_5x8");
uitoa(MINES_MINE_COUNT, pps_str, sizeof(pps_str));
gdispFillString(minesStatusIconWidth+8, gdispGetHeight()-11, " ", font, GFX_BLACK, GFX_BLACK);
gdispDrawString(minesStatusIconWidth+8, gdispGetHeight()-11, pps_str, font, GFX_WHITE);
uitoa(minesFlags, pps_str, sizeof(pps_str));
gdispFillString(8+(minesStatusIconWidth*2)+gdispGetStringWidth("99999", font), gdispGetHeight()-11, " ", font, GFX_BLACK, GFX_BLACK);
gdispDrawString(8+(minesStatusIconWidth*2)+gdispGetStringWidth("99999", font), gdispGetHeight()-11, pps_str, font, GFX_WHITE);
gdispCloseFont(font);
}
static void minesUpdateTime(void)
{
char pps_str[12];
if (minesTime > 9999)
minesTime = 9999;
gFont font = gdispOpenFont("digital_7__mono_20");
uitoa(minesTime, pps_str, sizeof(pps_str));
gdispFillArea((MINES_FIELD_WIDTH*MINES_CELL_WIDTH)-gdispGetStringWidth("9999", font), gdispGetHeight()-15, gdispGetWidth(), 15, GFX_BLACK);
gdispDrawString((MINES_FIELD_WIDTH*MINES_CELL_WIDTH)-gdispGetStringWidth(pps_str, font), gdispGetHeight()-15, pps_str, font, GFX_LIME);
gdispCloseFont(font);
}
static void minesTimeCounter(void* arg)
{
(void)arg;
minesTime++;
minesUpdateTime();
}
static gBool inRange(gI16 x, gI16 y)
{
if ((x >= 0) && (x < MINES_FIELD_WIDTH) && (y >= 0) && (y < MINES_FIELD_HEIGHT))
return gTrue;
else
return gFalse;
}
static void showOne(gI16 x, gI16 y)
{
minesField[x][y].open = gTrue;
if (minesField[x][y].flag) {
minesField[x][y].flag = gFalse;
minesFlags--;
}
gdispFillArea((x*MINES_CELL_WIDTH)+1, (y*MINES_CELL_HEIGHT)+1, MINES_CELL_WIDTH-1, MINES_CELL_HEIGHT-1, GFX_BLACK);
if ((minesField[x][y].num > 0) && (minesField[x][y].num < 9)) {
gdispImageOpenFile(&minesImage, minesGraph[minesField[x][y].num-1]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
minesEmptyNodes--;
} else if (minesField[x][y].num == 9) {
minesGameOver = gTrue;
minesGameWinner = gFalse;
gdispImageOpenFile(&minesImage, minesGraph[10]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
// Dirty HACK to not draw mine icon on GameOver event :D
minesField[x][y].num = 0;
} else if (minesField[x][y].num == 0) {
gdispImageOpenFile(&minesImage, minesGraph[9]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
minesField[x][y].check = gTrue;
minesEmptyNodes--;
}
}
static void openEmptyNodes(void)
{
gI16 x, y, i, j;
gBool needToCheck = gTrue;
while (needToCheck) {
needToCheck = gFalse;
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
if (minesField[x][y].check) {
for (i = -1; i <= 1; i++) {
for (j = -1; j <= 1; j++) {
if ((i != 0) || (j != 0)) { // We don't need to check middle node as it is the one we are checking right now! :D
if (inRange(x+i,y+j)) {
if (!minesField[x+i][y+j].open) showOne(x+i,y+j);
if (minesField[x+i][y+j].check) needToCheck = gTrue;
}
}
}
}
minesField[x][y].check = gFalse;
}
}
}
}
}
static GFX_THREAD_FUNCTION(thdMines, msg)
{
(void)msg;
gU16 x,y, delay;
gBool delayed = gFalse;
while (!minesGameOver) {
if (minesEmptyNodes == 0) {
minesGameOver = gTrue;
minesGameWinner = gTrue;
}
initRng();
ginputGetMouseStatus(0, &ev);
delayed = gFalse;
if (ev.buttons & GINPUT_MOUSE_BTN_LEFT) {
x = ev.x/MINES_CELL_WIDTH;
y = ev.y/MINES_CELL_WIDTH;
delay = 0;
while (ev.buttons & GINPUT_MOUSE_BTN_LEFT) { // Wait until release
ginputGetMouseStatus(0, &ev);
gfxSleepMilliseconds(1);
delay++;
if (delay >= MINES_FLAG_DELAY) {
delay = MINES_FLAG_DELAY;
if (!delayed && inRange(x, y) && !minesField[x][y].open) {
if (minesField[x][y].flag) {
gdispImageOpenFile(&minesImage, minesGraph[8]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH-1, MINES_CELL_HEIGHT-1, 0, 0);
gdispImageClose(&minesImage);
minesField[x][y].flag = gFalse;
minesFlags--;
printStats();
} else {
gdispImageOpenFile(&minesImage, minesGraph[11]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
minesField[x][y].flag = gTrue;
minesFlags++;
printStats();
}
delayed = gTrue;
}
}
}
// Check time, if longer than MINES_FLAG_DELAY then add flag...
if (delay < MINES_FLAG_DELAY) {
if ((x < MINES_FIELD_WIDTH) && (y < MINES_FIELD_HEIGHT) && !minesField[x][y].open && !minesField[x][y].flag) {
showOne(x, y);
openEmptyNodes();
printStats();
}
}
}
}
gfxThreadReturn(0);
}
static void printGameOver(void)
{
if (minesGameOver) {
gFont font = gdispOpenFont("DejaVuSans16");
if (minesGameWinner) {
gdispDrawString((gdispGetWidth()-gdispGetStringWidth("You LIVE!", font))/2, gdispGetHeight()-15, "You LIVE!", font, GFX_WHITE);
} else {
gdispDrawString((gdispGetWidth()-gdispGetStringWidth("You DIED!", font))/2, gdispGetHeight()-15, "You DIED!", font, GFX_WHITE);
}
gdispCloseFont(font);
} else {
gdispFillArea(0, gdispGetHeight()-25, gdispGetWidth(), 25, GFX_BLACK);
}
}
static void initField(void)
{
gI16 x, y, mines, i, j;
minesFlags = 0;
minesGameOver = gFalse;
printGameOver();
gFont font = gdispOpenFont("fixed_5x8");
gdispImageOpenFile(&minesImage, "plainmine.bmp");
// Saving status icons width/height for later use
minesStatusIconWidth = minesImage.width;
minesStatusIconHeight = minesImage.height;
gdispImageDraw(&minesImage, 4, gdispGetHeight()-minesImage.height, minesImage.width, minesImage.height, 0, 0);
gdispImageClose(&minesImage);
gdispImageOpenFile(&minesImage, "plainflag.bmp");
gdispImageDraw(&minesImage, 4+minesImage.width+gdispGetStringWidth("99999", font), gdispGetHeight()-minesImage.height, minesImage.width, minesImage.height, 0, 0);
gdispImageClose(&minesImage);
gdispCloseFont(font);
printStats();
initRng();
// Clearing/resetting field here...
i = 0;
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
minesField[x][y].num = 0;
minesField[x][y].open = gFalse;
minesField[x][y].check = gFalse;
minesField[x][y].flag = gFalse;
minesField[x][y].fieldNum = i;
i++;
}
}
// Randomizing closed field drawing...
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
// Getting random node and swapping it with current
i = randomInt(MINES_FIELD_WIDTH);
j = randomInt(MINES_FIELD_HEIGHT);
mines = minesField[x][y].fieldNum;
minesField[x][y].fieldNum = minesField[i][j].fieldNum;
minesField[i][j].fieldNum = mines;
}
}
// Clearing nodes randomly
if (!minesFirstGame) {
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
i = minesField[x][y].fieldNum/MINES_FIELD_HEIGHT;
j = minesField[x][y].fieldNum-(i*MINES_FIELD_HEIGHT);
gdispFillArea((i*MINES_CELL_WIDTH)+1, (j*MINES_CELL_HEIGHT)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, GFX_BLACK);
gfxSleepMilliseconds(2);
}
}
} else {
minesFirstGame = gFalse;
}
// Drawing closed nodes randomly
gdispImageOpenFile(&minesImage, minesGraph[8]);
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
i = minesField[x][y].fieldNum/MINES_FIELD_HEIGHT;
j = minesField[x][y].fieldNum-(i*MINES_FIELD_HEIGHT);
gdispImageDraw(&minesImage, (i*MINES_CELL_HEIGHT)+1, (j*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gfxSleepMilliseconds(2);
}
}
gdispImageClose(&minesImage);
minesEmptyNodes = MINES_FIELD_WIDTH*MINES_FIELD_HEIGHT;
// Placing mines in random nodes :D
mines = 0;
while (mines != MINES_MINE_COUNT) {
x = randomInt(MINES_FIELD_WIDTH);
y = randomInt(MINES_FIELD_HEIGHT);
if (minesField[x][y].num != 9) {
mines++;
minesEmptyNodes--;
minesField[x][y].num = 9;
}
}
// Calculating numbers for nearby mine nodes
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
if (minesField[x][y].num != 9) {
for (i = -1; i <= 1; i++) {
for (j = -1; j <= 1; j++) {
if ((i != 0) || (j != 0)) { // We don't need to check middle node as we already know it is not a mine! :D
if (inRange(x+i,y+j) && (minesField[x+i][y+j].num == 9)) {
minesField[x][y].num++;
}
}
}
}
}
}
}
minesTime = 0;
minesUpdateTime();
gtimerStart(&minesTimeCounterTimer, minesTimeCounter, 0, gTrue, 1000);
}
void minesStart(void)
{
gI16 x, y;
#if MINES_SHOW_SPLASH
gtimerStop(&minesSplashBlink);
gdispClear(GFX_BLACK);
#endif
initField();
gfxThreadCreate(0, 1024, gThreadpriorityNormal, thdMines, 0);
while (!minesGameOver) {
gfxSleepMilliseconds(100);
}
printGameOver();
gtimerStop(&minesTimeCounterTimer);
if (!minesGameWinner) {
// Print generated mines for player to see
gFont font = gdispOpenFont("fixed_10x20");
for (x = 0; x < MINES_FIELD_WIDTH; x++) {
for (y = 0; y < MINES_FIELD_HEIGHT; y++) {
if (minesField[x][y].num == 9 && !minesField[x][y].flag) {
gdispImageOpenFile(&minesImage, minesGraph[12]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
}
if (minesField[x][y].flag && (minesField[x][y].num != 9)) {
gdispImageOpenFile(&minesImage, minesGraph[13]);
gdispImageDraw(&minesImage, (x*MINES_CELL_HEIGHT)+1, (y*MINES_CELL_WIDTH)+1, MINES_CELL_WIDTH, MINES_CELL_HEIGHT, 0, 0);
gdispImageClose(&minesImage);
}
}
}
gdispCloseFont(font);
}
}
#if MINES_SHOW_SPLASH
static void minesSplashBlinker(void* arg)
{
(void)arg;
minesSplashTxtVisible = !minesSplashTxtVisible;
if (minesSplashTxtVisible) {
gdispImageOpenFile(&minesImage, "splashtxt.bmp");
} else {
gdispImageOpenFile(&minesImage, "splashclr.bmp");
}
gdispImageDraw(&minesImage, (gdispGetWidth()/2)-150+93, (gdispGetHeight()/2)-100+161, 112, 10, 0, 0);
gdispImageClose(&minesImage);
}
void minesShowSplash(void)
{
gdispImageOpenFile(&minesImage, "splash.bmp");
gdispImageDraw(&minesImage, (gdispGetWidth()/2)-150, (gdispGetHeight()/2)-100, 300, 200, 0, 0);
gdispImageClose(&minesImage);
gtimerStart(&minesSplashBlink, minesSplashBlinker, 0, gTrue, 400);
}
#endif
void minesInit(void)
{
initRng();
gdispClear(GFX_BLACK);
}
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