forked from rp-/wii-mahjong
/
game.c
1895 lines (1558 loc) · 56.5 KB
/
game.c
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/*===========================================
Mahjongg Solitaire Wii
Code : Justin Wood
Game class
============================================*/
#include "game.h"
#include "commons.h"
#include "GRRLIB/GRRLIB.h"
#include "aesndlib.h" // sound library
#include "main.h"
#include "disk.h"
//#include "gameback_jpg.h"
#include "gfx/bk_spooky_jpg.h"
//#include "tileset_png.h"
#include "gfx/clock_png.h"
#include "gfx/matches_png.h"
#include "gfx/playerone_png.h"
#include "gfx/playertwo_png.h"
#include "gfx/pause_png.h"
#include "gfx/paused_png.h"
#include "gfx/pauseover_png.h"
#include "gfx/hint_png.h"
#include "gfx/hintover_png.h"
#include "gfx/undo_png.h"
#include "gfx/undoover_png.h"
#include "gfx/finished_png.h"
#include "gfx/nomorematches_png.h"
#include "gfx/winnerone_png.h"
#include "gfx/winnertwo_png.h"
#include "gfx/draw_png.h"
#include "sound/Click17a_raw.h"
#include "sound/gromb_raw.h"
#include "sound/ptwiiing_raw.h"
#include "sound/gong_raw.h"
#include "sound/a_yokatta_raw.h"
#include "sound/yatta_raw.h"
#include "sound/Haha_raw.h"
#include "sound/Haha2_raw.h"
#include "sound/oh_raw.h"
#include "sound/ohhh_raw.h"
#include "sound/mm_raw.h"
#include "sound/mmmm_raw.h"
#include "sound/aiee_raw.h"
#include "sound/nani_raw.h"
#include "sound/doshiyo_raw.h"
#include "sound/uss_raw.h"
#define BLANK 150
#define PLACE 151
#define TILEHEIGHT 54
#define TILEWIDTH 38
#define TILESIDE 5
#define TILEBOTTOM 4
#define STARTX 12
#define STARTY 22
#define SPECIALY STARTY+TILEHEIGHT/2+3*TILEHEIGHT
#define TOPX STARTX+TILEWIDTH/2+6*TILEWIDTH-(3*TILESIDE+2)
#define RIGHT1X 1+STARTX+13*TILEWIDTH
#define RIGHT2X 1+STARTX+14*TILEWIDTH
#define TOPY SPECIALY-3*TILEBOTTOM
#define TILEX(x,z) STARTX+x*(TILEWIDTH/2)-(z*TILESIDE)
#define TILEY(y,z) STARTY+y*(TILEHEIGHT/2)-(z*TILEBOTTOM)
#define SEL_NONE 0
#define SEL_TILE 5
#define GAME_PLAY 0
#define GAME_PAUSED 1
#define GAME_SHUFFLE 2
#define GAME_AUTOSHUFFLE 3
#define GAME_FINISHED 4
#define GAME_NOMORE 5
#define GAME_BOARDINIT 6
// static functions
static void setLayout(int laynum);
static void initGrid();
static void resetToPlaces();
/**
* Check all tiles if they are selectable.
* The bool selectable[tile] array will be set accordingly
*/
static void checkSelectable();
/**
* Check if given coordinates are selectable.
* @param x X coordinate.
* @param y Y coordinate.
* @param z Z coordinate.
*/
static bool isSelectable(int x, int y, int z);
static bool isHigher(char x,char y,char z);
static void setupGame();
//void shufflePieces(int shuffles);
static void mixPairs(int shuffles);
static void placeTilePair();
/**
* This function checks whether this is the best attempt to place the tiles,
* if it is then save the grid in case we cannot competely place the tiles at all
*/
static void checkAndSaveGrid();
static void placeRemainingtiles();
/**
* Returns a tile which isn't placed yet
* @return tile index in the mahjongg layout array
*/
static int getTile();
/**
* This checks whether this tile can be placed.
* @param tile Tile index to check.
* @return true if tile can be placed.
*/
static bool checkTile(int tile);
/**
* This function is used when we have placed the first tile of a pair and need to check
* whether tile2 could still be placed if tile1 was not there to make sure that we are
* not placing two next to each other that are not accessible
* @param tile1 Tile index to ignore.
* @param tile2 Tile to be checked.
* @return True if tiles can be placed.
*/
static bool checkWithoutTile1(int tile1, int tile2);
/**
* This checks out whether the tile has a foundation from the layer below.
* @param x X coordinate.
* @param y Y coordinate.
* @param z Z coordinate.
*/
static bool isCovered(int x,int y,int z);
static void drawBoard();
static void drawTime();
static void drawMatches();
static void drawScores();
static void drawTilesLeft();
static void drawPauseIcon();
static void drawHintIcon();
static void drawRichTile(f32 xpos, f32 ypos, unsigned char tile,f32 scale,u8 alpha);
static void selectProcessing(WPADData *wd, int player);
static void removeMatched(int player,int s1, int s2);
static void finishGame();
static bool isSameTile(int s1, int s2);
static bool selectTile(f32 x, f32 y,int selnum);
static bool selectExactTile(int x, int y, int z, int selnum);
static void removeTile(int selnum);
static void clearSelected();
static bool checkMatch();
static int calcScore(int player);
static bool goesLeft();
static void findHint();
static void compressTiles();
static char realTileNum(char tileNum);
static void setupFade(int n);
static void drawStatistics();
static void drawUndoIcon();
static void undo();
static void storeUndo();
//variables
static u8 *tex_tiles, *tex_clock, *tex_matches, *tex_pause, *tex_pauseover, *tex_paused, *tex_finished;
static u8 *tex_hint, *tex_hintover, *tex_playerone, *tex_playertwo, *tex_winnerone, *tex_winnertwo, *tex_draw, *tex_nomorematches;
static u8 *tex_undo, *tex_undoover;
u8* tex_gameback;
static bool selectable[MAX_TILES];
// grid to know where you can place tiles
static unsigned char grid[MAX_WIDTH][MAX_HEIGHT][MAX_LAYERS];
static unsigned char bestGuess[MAX_TILES];
// array of tiles
static unsigned char tiles[MAX_TILES];
static int game_state=GAME_PLAY;
static int tot=0,dif=2,score[2],shuffleretries;
// current versus standings
static unsigned int totals[2]={0,0};
static u8 *mtl=(u8 *)default_mtl;
static time_t startTime,endTime,pauseTime;
static unsigned char tilesLeft,tilesToPlace,bestGuessNum=MAX_TILES;
typedef struct selection
{
char type;
unsigned char tile;
int x,y,z;
} selection;
static selection undoTiles[2];
static selection sel[6] =
{
{
SEL_NONE,BLANK,-1,-1,-1
}
,
{
SEL_NONE,BLANK,-1,-1,-1
},
{SEL_NONE,BLANK,-1,-1,-1},
{
SEL_NONE,BLANK,-1,-1,-1
},
{SEL_NONE,BLANK,-1,-1,-1},
{
SEL_NONE,BLANK,-1,-1,-1
}
};
static const u32 playercol[3] = {0x00001111,0x00110011,0x00000011};
typedef struct fadestruct
{
u8 alpha;
f32 scale;
f32 x,y;
unsigned char tile;
bool fading;
} fadestruct;
static fadestruct fade[4] =
{
{
0,0,0,0,0,false
}
,
{
0,0,0,0,0,false
}
,
{
0,0,0,0,0,false
}
,
{
0,0,0,0,0,false
}
};
static bool pauseover=false,menuover=false,shuffleover=false,hintover=false;
static bool restartover=false,newgameover=false,undoover=false, randomgameover = false;
static int gamemode,matches;
static int imgx=0,imgacc=0;
static unsigned char openTiles[36];
static int pausepos[4] = {578,408,56,44};
static int hintpos[4] = {578,353,56,44};
static const int undopos[4] = {578,298,56,44};
static int menupos[4] = {499,398,108,56};
static int shufflepos[4] = {463,328,168,48};
static int restartpos[4] = {40,398,168,48};
static int newgamepos[4] = {40,398,168,48};
static int randomgamepos[4] = {40, 348, 168, 48};
static int multi[2] = {0,0};
void initGame(int gm)
{
gamemode=gm;
setLayout(opt_layout);
// load the textures from the .h tilesets
switch(opt_tileset) {
case DEFAULT :
tex_gameback=GRRLIB_LoadJPG(gameback_jpg, gameback_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_default_png);
break;
case SIMPLE :
tex_gameback=GRRLIB_LoadJPG(gameback_jpg, gameback_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_simple_png);
break;
case OLD :
tex_gameback=GRRLIB_LoadJPG(gameback_jpg, gameback_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_old_png);
break;
case SPOOKY :
tex_gameback=GRRLIB_LoadJPG(bk_spooky_jpg, bk_spooky_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_spooky_png);
break;
case EGYPTIAN :
tex_gameback=GRRLIB_LoadJPG(bk_egypt_jpg, bk_egypt_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_egypt_png);
break;
case SPACE :
tex_gameback=GRRLIB_LoadJPG(bk_space_jpg, bk_space_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_space_png);
break;
default :
tex_gameback=GRRLIB_LoadJPG(gameback_jpg, gameback_jpg_size);
tex_tiles=GRRLIB_LoadTexture(ts_default_png);
break;
}
tex_clock=GRRLIB_LoadTexture(clock_png);
tex_matches=GRRLIB_LoadTexture(matches_png);
tex_playerone=GRRLIB_LoadTexture(playerone_png);
tex_playertwo=GRRLIB_LoadTexture(playertwo_png);
tex_hint=GRRLIB_LoadTexture(hint_png);
tex_hintover=GRRLIB_LoadTexture(hintover_png);
tex_pause=GRRLIB_LoadTexture(pause_png);
tex_paused=GRRLIB_LoadTexture(paused_png);
tex_pauseover=GRRLIB_LoadTexture(pauseover_png);
tex_undo=GRRLIB_LoadTexture(undo_png);
tex_undoover=GRRLIB_LoadTexture(undoover_png);
tex_finished=GRRLIB_LoadTexture(finished_png);
tex_nomorematches=GRRLIB_LoadTexture(nomorematches_png);
tex_winnerone=GRRLIB_LoadTexture(winnerone_png);
tex_winnertwo=GRRLIB_LoadTexture(winnertwo_png);
tex_draw=GRRLIB_LoadTexture(draw_png);
int strsize=GRRLIB_GetStringWidth(CUR_FONT(false),curtext[LNG_GAME_MENU]);
menupos[0]=605-strsize;
menupos[2]=strsize;
strsize=GRRLIB_GetStringWidth(CUR_FONT(false),curtext[LNG_GAME_SHUFFLE]);
shufflepos[0]=605-strsize;
shufflepos[2]=strsize;
restartpos[2]=GRRLIB_GetStringWidth(CUR_FONT(false),curtext[LNG_GAME_RESTART]);
newgamepos[2]=GRRLIB_GetStringWidth(CUR_FONT(false),curtext[LNG_GAME_NEW]);
randomgamepos[2]=GRRLIB_GetStringWidth(CUR_FONT(false),curtext[LNG_GAME_RANDOMLAYOUT]);
setupGame();
}
static void setLayout(int layoutNum)
{
mtl = (u8 *)layouts[layoutNum];
}
static void initGrid()
{
int l,x,y,z,pos=0;
// clear the grid
for(z=0;z<MAX_LAYERS;z++)
for(x=0;x<MAX_WIDTH;x++)
for(y=0;y<MAX_HEIGHT;y++)
grid[x][y][z]=BLANK;
// put placeholders on the grid for the tiles
for(l=0;l<MAX_TILES;++l) {
x=mtl[pos++];
y=mtl[pos++];
z=mtl[pos++];
grid[x][y][z]=PLACE;
}
}
static void resetToPlaces()
{
int l,x,y,z;
tilesToPlace=0;
for(l=0;l<MAX_TILES;l++) {
x=mtl[l*3];
y=mtl[l*3+1];
z=mtl[l*3+2];
if(grid[x][y][z]!=BLANK) {
grid[x][y][z]=PLACE;
tilesToPlace++;
}
}
}
static void checkSelectable()
{
int x,y,z;
for(x=0;x<MAX_TILES;++x) selectable[x]=false;
for(z=MAX_LAYERS-1;z>=0;--z) {
for(y=0;y<MAX_HEIGHT;++y) {
for(x=0;x<MAX_WIDTH;++x) {
if(grid[x][y][z]!=BLANK) {
selectable[grid[x][y][z]]=isSelectable(x,y,z);
}
}
}
}
}
static bool isSelectable(int x, int y, int z)
{
// first check if there are any overlapping from the row above
if(z<(MAX_LAYERS-1)) {
if(isHigher(x,y,z+1)) {
return false;
}
}
int tot;
// check left hand side
if(x-2>=0) {
tot=0;
if(y-1>=0) {
tot+=grid[x-2][y-1][z]==BLANK?0:1;
}
tot+=grid[x-2][y][z]==BLANK?0:1;
tot+=grid[x-2][y+1][z]==BLANK?0:1;
if(tot==0) return true;
}
else {
return true;
}
// check right hand side
if(x+2<MAX_WIDTH) {
tot=0;
if(y-1>=0) {
tot+=grid[x+2][y-1][z]==BLANK?0:1;
}
tot+=grid[x+2][y][z]==BLANK?0:1;
tot+=grid[x+2][y+1][z]==BLANK?0:1;
if(tot==0) return true;
}
else {
return true;
}
return false;
}
static bool isHigher(char x,char y,char z)
{
int r,c,tot=0;
int x1=x-1,x2=x+2,y1=y-1,y2=y+2;
if(x1<0) x1=0;
if(x2>=MAX_WIDTH) x2=MAX_WIDTH-1;
if(y1<0) y1=0;
if(y2>=MAX_HEIGHT) y2=MAX_HEIGHT-1;
for(r=x1;r<x2;r++)
for(c=y1;c<y2;c++)
tot+=grid[r][c][(int)z]==BLANK?0:1;
return tot>0;
}
void killGame()
{
if(tex_draw) free(tex_draw);
if(tex_winnertwo) free(tex_winnertwo);
if(tex_winnerone) free(tex_winnerone);
if(tex_nomorematches) free(tex_nomorematches);
if(tex_finished) free(tex_finished);
if(tex_pauseover) free(tex_pauseover);
if(tex_paused) free(tex_paused);
if(tex_pause) free(tex_pause);
if(tex_hintover) free(tex_hintover);
if(tex_hint) free(tex_hint);
if(tex_undoover) free(tex_undoover);
if(tex_undo) free(tex_undo);
if(tex_playertwo) free(tex_playertwo);
if(tex_playerone) free(tex_playerone);
if(tex_matches) free(tex_matches);
if(tex_clock) free(tex_clock);
if(tex_tiles) free(tex_tiles);
if(tex_gameback) free(tex_gameback);
}
static void setupGame()
{
srand(time(NULL));
// This sets up the array of tiles so that they correspond to the number in the graphical tile set
int z=0,x,y;
for(x=0;x<34;x++) {
for(y=0;y<4;y++) {
tiles[z++]=x;
}
}
for(x=34;x<42;x++) {
tiles[z++]=x;
}
tot=0;
dif=2;
score[0]=0;
score[1]=0;
undoTiles[0].x = -1; // disable undo from start
for(x=0;x<4;x++) {
clearSelected(x);
fade[x].fading=false;
}
clearSelected(4);
clearSelected(5);
multi[0]=0;
multi[1]=0;
shuffleretries=0;
initGrid();
tilesLeft=tilesToPlace=MAX_TILES;
mixPairs(tilesLeft*6);
shuffleretries=0;
bestGuessNum=MAX_TILES;
while(tilesToPlace>0) {
placeTilePair();
}
checkSelectable();
goesLeft();
startTime = time(NULL);
game_state=GAME_PLAY;
playRaw(&gong_raw, gong_raw_size, 11025, opt_sound, 0, 0);
playRaw(&gong_raw, gong_raw_size, 11025, 0, opt_sound, 40);
//SND_SetVoice(SND_GetFirstUnusedVoice(), VOICE_MONO_16BIT, 11025, 0,&gong_raw, gong_raw_size, opt_sound, 0, NULL);
//SND_SetVoice(SND_GetFirstUnusedVoice(), VOICE_MONO_16BIT, 11025, 40,&gong_raw, gong_raw_size, 0, opt_sound, NULL);
}
static void mixPairs(int shuffles)
{
int x,t1,t2;
unsigned char dummy;
for(x=0;x<shuffles;x++) {
do {
t1=((rand()%tilesLeft)/2)*2;
} while(tiles[t1]==BLANK);
do {
t2=((rand()%tilesLeft)/2)*2;
} while(tiles[t2]==BLANK || t1==t2);
dummy=tiles[t1];
tiles[t1]=tiles[t2];
tiles[t2]=dummy;
dummy=tiles[t1+1];
tiles[t1+1]=tiles[t2+1];
tiles[t2+1]=dummy;
}
}
static void drawStatistics()
{
}
void drawGame()
{
static int tot=0,dif=1;
int strlen,x;
GRRLIB_DrawImg(0, 0, 640, 480, tex_gameback, 0, 1, 1, 255);
drawBoard();
if(gamemode==TWO_PLAYER_VERSUS) {
drawScores();
}
else {
drawTime();
drawMatches();
drawTilesLeft();
}
for(x=0;x<4;x++) {
if(fade[x].fading) {
drawRichTile(fade[x].x,fade[x].y,fade[x].tile,fade[x].scale,fade[x].alpha);
if(fade[x].alpha-8<0) fade[x].fading=false;
if(x%2==1 && multi[x/2]>1) GRRLIB_GPrintf((fade[x].x+fade[x-1].x)/2,(fade[x].y+fade[x-1].y)/2,0x00FFFFFF-(0x01000000*fade[x].alpha),fade[x].scale,fade[x].scale,ALIGN_CENTRE,2,"X%d",multi[x/2]);
fade[x].alpha-=8;
fade[x].scale+=0.2;
if(fade[x].alpha==191) {
if(opt_rumble) WPAD_Rumble(x/2==0?WPAD_CHAN_0:WPAD_CHAN_1, 0);
}
}
}
switch(game_state) {
case GAME_PLAY :
drawPauseIcon();
if(gamemode!=TWO_PLAYER_VERSUS) {
drawHintIcon();
drawUndoIcon();
}
break;
case GAME_PAUSED :
GRRLIB_FillScreen(0xAA000000);
GRRLIB_DrawImg(198,134,228,196,tex_paused, 0, 1, 1, 255);
strlen = GRRLIB_GetStringWidth(CUR_FONT(false), curtext[LNG_GAME_PAUSED]);
if(strlen>192) {
f32 zoom = 192.0/(float)strlen;;
GRRLIB_GPrintf(198+26,274,0xFFEEEEBB,zoom,1, ALIGN_LEFT,CUR_FONT(false),curtext[LNG_GAME_PAUSED]);
}
else {
GRRLIB_GPrintf(198+22+200/2,274,0xFFEEEEBB,1,1, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_PAUSED]);
}
GRRLIB_GPrintf(restartpos[0], restartpos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(restartover),curtext[LNG_GAME_RESTART]);
drawPauseIcon();
break;
case GAME_SHUFFLE :
if(tot++==dif) {
dif+=10;
if(tot>90 && tilesToPlace<=0) {
game_state=GAME_PLAY;
checkSelectable();
goesLeft();
dif=2;
tot=0;
for(x=0;x<4;x++) {
clearSelected(x);
}
}
}
if(tilesToPlace>0)
placeTilePair();
if(tot*2.5<=255) {
GRRLIB_GPrintf(320, 220,0xFFFFFFFF- (0x01000000*(tot*2.5)),1+((float)tot)/16,1+((float)tot)/32, ALIGN_CENTRE,CUR_FONT(true),curtext[LNG_GAME_SHUFFLE]);
}
break;
case GAME_FINISHED :
{
GRRLIB_FillScreen(0xAA000000);
if(gamemode==TWO_PLAYER_VERSUS) {
if(score[0]>score[1]) {
GRRLIB_DrawImg(185+imgx,103,260,220,tex_winnerone, 0, 1, 1, 255);
GRRLIB_GPrintf(181+imgx,232,0xFF9E9E6B,0.6,0.68, ALIGN_LEFT,CUR_FONT(false),curtext[LNG_GAME_WINNER]);
GRRLIB_GPrintf(188+6+119+imgx,270,0xFFC02600,1,1, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_PLAYER1]);
}
else
if(score[1]>score[0]) {
GRRLIB_DrawImg(185+imgx,103,260,220,tex_winnertwo, 0, 1, 1, 255);
GRRLIB_GPrintf(181+imgx,232,0xFF9E9E6B,0.6,0.68, ALIGN_LEFT,CUR_FONT(false),curtext[LNG_GAME_WINNER]);
GRRLIB_GPrintf(188+6+119+imgx,270,0xFF8DC033,1,1, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_PLAYER2]);
}
else {
GRRLIB_DrawImg(150+imgx,99,344,224,tex_draw, 0, 1, 1, 255);
GRRLIB_GPrintf(188+4+119+imgx,260,0xFFA67319,1,1, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_DRAW]);
}
GRRLIB_DrawImg(205, 330, 60, 44, tex_playerone, 0, 1, 1, 255- ((float)imgx*0.75));
GRRLIB_DrawImg(365, 330, 60, 44, tex_playertwo, 0, 1, 1, 255- ((float)imgx*0.75));
GRRLIB_GPrintf(315, 340,0xFFFFFFFF - ((float)imgx*0.75)*0x01000000,1,1,ALIGN_CENTRE,0,"%02d - %02d",totals[0],totals[1]);
}
else {
//this indicates that a new highscore was reached
if( totals[0] > 0) {
GRRLIB_GPrintf( 30, 50, 0xFFFFFFFF, 1, 1, ALIGN_LEFT, CUR_FONT(true), curtext[LNG_GAME_NEWHIGHSCORE]);
}
GRRLIB_DrawImg(186+imgx,151,252,172,tex_finished, 0, 1, 1, 255);
drawStatistics();
strlen = GRRLIB_GetStringWidth(CUR_FONT(false), curtext[LNG_GAME_FINISHED]);
if(strlen>238) {
f32 zoom = (float)238/(float)strlen;
GRRLIB_GPrintf(185+8+imgx,255,0xFFEEEEBB,zoom,1, ALIGN_LEFT,CUR_FONT(false),curtext[LNG_GAME_FINISHED]);
}
else {
GRRLIB_GPrintf(188+8+119+imgx,255,0xFFEEEEBB,1,1, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_FINISHED]);
}
}
if(imgx>0 && imgacc>0) {
imgx-=imgacc;
imgacc--;
}
GRRLIB_GPrintf(newgamepos[0], newgamepos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(newgameover),curtext[LNG_GAME_RESTART]);
GRRLIB_GPrintf(randomgamepos[0], randomgamepos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(randomgameover),curtext[LNG_GAME_RANDOMLAYOUT]);
GRRLIB_GPrintf(menupos[0], menupos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(menuover),curtext[LNG_GAME_MENU]);
}
break;
case GAME_NOMORE :
{
GRRLIB_FillScreen(0xAA000000);
GRRLIB_DrawImg(170+imgx,149,284,160,tex_nomorematches, 0, 1, 1, 255);
strlen = GRRLIB_GetStringWidth(CUR_FONT(false), curtext[LNG_GAME_NOMORETILES]);
if(strlen>238) {
f32 zoom = (float)238/(float)strlen;
GRRLIB_GPrintf(170+32+imgx,250,0xFFEEEEBB,zoom,0.8, ALIGN_LEFT,CUR_FONT(false),curtext[LNG_GAME_NOMORETILES]);
}
else {
GRRLIB_GPrintf(170+36+119+imgx,250,0xFFEEEEBB,1,0.8, ALIGN_CENTRE,CUR_FONT(false),curtext[LNG_GAME_NOMORETILES]);
}
drawStatistics();
if(imgx>0 && imgacc>0) {
imgx-=imgacc;
imgacc--;
}
GRRLIB_GPrintf(restartpos[0], restartpos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(restartover),curtext[LNG_GAME_RESTART]);
GRRLIB_GPrintf(menupos[0], menupos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(menuover),curtext[LNG_GAME_MENU]);
GRRLIB_GPrintf(shufflepos[0], shufflepos[1],0xFFFFFFFF,1,1, ALIGN_LEFT,CUR_FONT(shuffleover),curtext[LNG_GAME_SHUFFLE]);
}
break;
}
}
static void placeTilePair()
{
int tile1;
int retries=0;
do {
tile1 = getTile();
} while(!checkTile(tile1) && retries++ < tilesLeft*8);
if(retries>=tilesLeft*8) {
shuffleretries++;
if(shuffleretries>7) {
// we have tried to create a new board serveral times this probably means that there are no more goes
// so lets bring place all the remaining tiles randomly
placeRemainingtiles();
checkSelectable();
if(!goesLeft()) {
if(shuffleretries>10) {
// assume that we cannot place the remaining tiles
finishGame();
return;
}
resetToPlaces();
}
}
else {
checkAndSaveGrid();
resetToPlaces();
}
return;
}
// place tile 1 in the grid
grid[mtl[tile1*3]][mtl[tile1*3+1]][mtl[tile1*3+2]]=--tilesToPlace;
// find spare tile 2
int tile2;
retries=0;
do {
tile2 = getTile();
} while((!checkTile(tile2) || tile1==tile2 || !checkWithoutTile1(tile1,tile2)) && retries++ < tilesLeft*8);
if(retries>=tilesLeft*8) {
shuffleretries++;
if(shuffleretries>7) {
// we have tried to create a new board serveral times this probably means that there are no more goes
// so lets bring place all the remaining tiles randomly
placeRemainingtiles();
checkSelectable();
if(!goesLeft()) {
if(shuffleretries>10) {
// assume that we cannot place the remaining tiles
finishGame();
return;
}
resetToPlaces();
}
}
else {
checkAndSaveGrid();
resetToPlaces();
}
return;
}
grid[mtl[tile2*3]][mtl[tile2*3+1]][mtl[tile2*3+2]]=--tilesToPlace;
}
static void checkAndSaveGrid()
{
if(tilesToPlace>=bestGuessNum) return;
bestGuessNum=tilesToPlace;
int x;
for(x=0;x<MAX_TILES;x++) {
bestGuess[x]=grid[mtl[x*3]][mtl[x*3+1]][mtl[x*3+2]];
}
}
// This function is used to place all remaining tiles randomly to complete a uncompletable shuffle
// this can be resolved later when there are less tiles left
static void placeRemainingtiles()
{
int x,xe;
// set grid up with the best guess so far
tilesToPlace=MAX_TILES;
for(x=0;x<MAX_TILES;x++) {
grid[mtl[x*3]][mtl[x*3+1]][mtl[x*3+2]]=bestGuess[x];
if(bestGuess[x]!=PLACE) tilesToPlace--;
}
xe=tilesToPlace;
for(x=0;x<xe;x++) {
int tile = getTile();
grid[mtl[tile*3]][mtl[tile*3+1]][mtl[tile*3+2]]=--tilesToPlace;
}
}
static int getTile()
{
int tile;
int x, y, z;
// get tiles until we find one that we can place
do {
tile=rand() % MAX_TILES;
x=mtl[tile*3];
y=mtl[tile*3+1];
z=mtl[tile*3+2];
} while (grid[x][y][z] != PLACE);
return tile;
}
static bool checkTile(int tile)
{
int x=mtl[tile*3];
int y=mtl[tile*3+1];
int z=mtl[tile*3+2];
//if z>0 check that tiles below are already placed
if(z>0 && !isCovered(x,y,z)) {
return false;
}
// check that we have tiles immediately to the left
if(x>1) {
if(grid[x-2][y][z]<BLANK) return true;
if(y==0 && grid[x-2][y+1][z]<BLANK) return true;
if(y>0) {
if(grid[x-2][y-1][z]<BLANK && grid[x-2][y+1][z]<BLANK) return true;
if(grid[x-2][y-1][z]<BLANK && grid[x-2][y+1][z]==BLANK) return true;
if(grid[x-2][y-1][z]==BLANK && grid[x-2][y+1][z]<BLANK) return true;
}
}
// check that we have tiles immediately to the right
if(x<MAX_WIDTH-2) {
if(grid[x+2][y][z]<BLANK) return true;
if(y==0 && grid[x+2][y+1][z]<BLANK) return true;
if(y>0) {
if(grid[x+2][y-1][z]<BLANK && grid[x+2][y+1][z]<BLANK) return true;
if(grid[x+2][y-1][z]<BLANK && grid[x+2][y+1][z]==BLANK) return true;
if(grid[x+2][y-1][z]==BLANK && grid[x+2][y+1][z]<BLANK) return true;
}
}
// if any other placed tiles on the same row return false
//
// tilebreak signifies that there is a break of tiles on the current row
// tileplace indicates that there are two unplaced tiles on the current row
// this works out that
int col;
// check left of the selected
bool tilebreak=false,tileplace=false;
int blank,yy;
if(x==0) {
tilebreak=true;
}
else {
// copy y and use the copy as we may move up and down
yy=y;
for(col=x-2;col>=0 && tilebreak==false && tileplace==false;col-=2) {
// check for tiles already placed on this row
if(grid[col][yy][z]<BLANK || grid[col][yy+1][z]<BLANK) return false;
if(yy>0 && grid[col][yy-1][z]<BLANK) return false;
// check whether this is a tilebreak
blank=3;
if(grid[col][yy][z]==BLANK) blank--;
if((yy>0 && grid[col][yy-1][z]==BLANK) || yy==0) blank--;
if((yy<MAX_HEIGHT-2 && grid[col][yy+1][z]==BLANK) || yy>=MAX_HEIGHT-2) blank--;
if(blank==0) tilebreak=true;
// see if line moves up or down or finishes
if(grid[col][yy][z] != PLACE) {
if(yy>0) {
if(grid[col][yy-1][z]==PLACE && grid[col][yy+1][z]==PLACE) tileplace=true;
else
if(grid[col][yy-1][z]==PLACE && grid[col][yy+1][z]==BLANK) yy--;
else
if(grid[col][yy-1][z]==BLANK && grid[col][yy+1][z]==PLACE) yy++;
}
else {
// currently on top row
if(grid[col][yy][z]==BLANK && grid[col][yy+1][z]==PLACE) yy++;
}
}
}
if(!tileplace && !tilebreak) tilebreak=true;
}
// check right of the selected
if(x>=MAX_WIDTH-2) {
if(tileplace) return false;
if(tilebreak) return true;
}
else {
// copy y and use the copy as we may move up and down
yy=y;
for(col=x+2;col<MAX_WIDTH-2;col+=2) {
// check for tiles already placed on this row
if(grid[col][yy][z]<BLANK || grid[col][yy+1][z]<BLANK) return false;
if(yy>0 && grid[col][yy-1][z]<BLANK) return false;
// check whether this is a tilebreak
blank=3;