Move.h && Move.c

#ifndefMOVE_H#defineMOVE_H#defineMOVE_UP1#defineMOVE_DOWN2#defineMOVE_LEFT4#defineMOVE_RIGHT8void initField(tHandle* handle);int newTile(tHandle* handle);int checkMoveable(tHandle* handle);int makeMove(tHandle *handle,tUInt8 move);#endif

#include <stdio.h>#include <stdlib.h>#include <string.h>#include <ncurses.h>#include "Config.h"#include "Datatypes.h"#include "Move.h"#include "Output.h"void initField(tHandle* handle){int i;int j;for (i=0;i<TILE_ROWS;i++){for (j=0;j<TILE_COLS;j++){handle->actField.tile[i][j]=0;}}handle->score=0;}int newTile(tHandle* handle){int i;int j;tUInt32 r;int pos[TILE_MASK+1];tField nxtField;int cnt;cnt=0;for (i=0; i<TILE_ROWS; i++){for (j=0; j<TILE_COLS; j++){if ( !handle->actField.tile[i][j]) pos[cnt++] = i * TILE_COLS + j;}}if (cnt){memcpy(&nxtField, &(handle->actField), sizeof(tField));r=cnt;while ( r >= cnt ){r = rand()&TILE_MASK;}cnt = pos[r];r = rand();if (r<0) r = -r;if ((r%TILE_4_PROB)==0) r=4;else r = 2;i = cnt/TILE_ROWS;j = cnt%TILE_ROWS;nxtField.tile[i][j] = r;// TODO: spawnTile(handle,i,j);memcpy(&(handle->actField), &nxtField, sizeof(tField));return 1;}else {return 0;}}int checkMoveable(tHandle* handle){int i,j;int retval=0;for (i=0; i<TILE_ROWS; i++){for (j=0; j<TILE_COLS; j++){int x, y;x = handle->actField.tile[i][j];if (x){if (j!=0) {y = handle->actField.tile[i][j-1];if (y==0) retval |= MOVE_LEFT;if (x==y) retval |= (MOVE_LEFT|MOVE_RIGHT);}if (j != TILE_COLS-1) {y = handle->actField.tile[i][j+1];if (y == 0) retval |= MOVE_RIGHT;if (x == y) retval |= (MOVE_LEFT|MOVE_RIGHT);}}}}for (i=0; i<TILE_COLS; i++){for (j=0;j<TILE_ROWS;j++){int x,y;x=handle->actField.tile[j][i];if (x){if (j!=0) {y=handle->actField.tile[j-1][i];if (y==0) retval|=MOVE_UP;if (x==y) retval|=(MOVE_UP|MOVE_DOWN);}if (j!=TILE_ROWS-1) {y=handle->actField.tile[j+1][i];if (y==0) retval|=MOVE_DOWN;if (x==y) retval|=(MOVE_UP|MOVE_DOWN);}}}}return retval;}int makeMove(tHandle *handle,tUInt8 move){signed int i,j,k;int moved;moved=0;i=checkMoveable(handle);if (i&move){switch (move){case MOVE_UP:// for (i=0; i<TILE_COLS; i++){int newpos[TILE_ROWS];int newTiles[TILE_ROWS];int combined[TILE_ROWS];for (j=0; j<TILE_ROWS; j++) {combined[j]=0;newTiles[j]=handle->actField.tile[j][i];newpos[j]=j;}for (j=0;j<TILE_ROWS;j++){int found;combined[j]=0;if (newTiles[j]){found=-1;for (k=j-1;k>=0 && found==-1;k--){if (newTiles[k]==0) newpos[j]=k;else found=k;}found=-1;for (k=j+1;k<TILE_ROWS && found==-1;k++){if (newTiles[k]){found=k;if (newTiles[j]==newTiles[k]){handle->score+=newTiles[j];newpos[k]=newpos[j];newTiles[j]*=2;newTiles[k]=0;combined[j]=1;moved=1;}}}if (newpos[j]!=j){transition(handle,handle->actField.tile[j][i], j,newpos[j], i,i);combined[newpos[j]]=combined[j];newTiles[newpos[j]]=newTiles[j];newTiles[j]=0;combined[j]=0;moved=1;}}}// TODO: transitionfor (j=0;j<TILE_ROWS;j++){handle->actField.tile[j][i]=newTiles[j];}}break;case MOVE_DOWN:// for (i=0;i<TILE_COLS;i++){int newpos[TILE_ROWS];int newTiles[TILE_ROWS];int combined[TILE_ROWS];for (j=TILE_ROWS-1;j>=0;j--){combined[j]=0;newTiles[j]=handle->actField.tile[j][i];newpos[j]=j;}for (j=TILE_ROWS-1;j>=0;j--){int found;combined[j]=0;newpos[j]=j;if (newTiles[j]){found=-1;for (k=j+1;k<TILE_ROWS && found==-1;k++){if (newTiles[k]==0) newpos[j]=k;else found=k;}found=-1;for (k=j-1;k>=0 && found==-1;k--){if (newTiles[k]){found=k;if (newTiles[j]==newTiles[k]){handle->score+=newTiles[j];newpos[k]=newpos[j];newTiles[j]*=2;newTiles[k]=0;combined[j]=1;moved=1;}}}if (newpos[j]!=j){transition(handle,handle->actField.tile[j][i], j,newpos[j], i,i);combined[newpos[j]]=combined[j];newTiles[newpos[j]]=newTiles[j];newTiles[j]=0;combined[j]=0;moved=1;}}}// TODO: transitionfor (j=0;j<TILE_ROWS;j++){handle->actField.tile[j][i]=newTiles[j];}}break;case MOVE_LEFT:// for (i=0;i<TILE_ROWS;i++){int newpos[TILE_COLS];int newTiles[TILE_COLS];int combined[TILE_COLS];for (j=0;j<TILE_COLS;j++) {combined[j]=0;newTiles[j]=handle->actField.tile[i][j];newpos[j]=j;}for (j=0;j<TILE_COLS;j++){int found;combined[j]=0;newpos[j]=j;if (newTiles[j]){found=-1;for (k=j-1;k>=0 && found==-1;k--){if (newTiles[k]==0) newpos[j]=k;else found=k;}found=-1;for (k=j+1;k<TILE_COLS && found==-1;k++){if (newTiles[k]){found=k;if (newTiles[j]==newTiles[k]){handle->score+=newTiles[j];newpos[k]=newpos[j];newTiles[j]*=2;newTiles[k]=0;combined[j]=1;moved=1;}}}if (newpos[j]!=j){transition(handle,handle->actField.tile[i][j], i,i, j,newpos[j]);combined[newpos[j]]=combined[j];newTiles[newpos[j]]=newTiles[j];newTiles[j]=0;combined[j]=0;moved=1;}}}// TODO: transitionfor (j=0;j<TILE_COLS;j++){handle->actField.tile[i][j]=newTiles[j];}}break;case MOVE_RIGHT:// for (i=0;i<TILE_ROWS;i++){int newpos[TILE_COLS];int newTiles[TILE_COLS];int combined[TILE_COLS];for (j=TILE_COLS-1;j>=0;j--){combined[j]=0;newTiles[j]=handle->actField.tile[i][j];newpos[j]=j;}for (j=TILE_COLS-1;j>=0;j--){int found;combined[j]=0;newpos[j]=j;if (newTiles[j]){found=-1;for (k=j+1;k<TILE_COLS && found==-1;k++){if (newTiles[k]==0) newpos[j]=k;else found=k;}found=-1;for (k=j-1;k>=0 && found==-1;k--){if (newTiles[k]){found=k;if (newTiles[j]==newTiles[k]){handle->score+=newTiles[j];newpos[k]=newpos[j];newTiles[j]*=2;newTiles[k]=0;combined[j]=1;moved=1;}}}if (newpos[j]!=j){transition(handle,handle->actField.tile[i][j], i,i, j,newpos[j]);combined[newpos[j]]=combined[j];newTiles[newpos[j]]=newTiles[j];newTiles[j]=0;combined[j]=0;moved=1;}}}// TODO: transitionfor (j=0;j<TILE_COLS;j++){handle->actField.tile[i][j]=newTiles[j];}}break;}if (moved){for (i=0;i<TILE_ROWS;i++){for (j=0;j<TILE_COLS;j++){if (moved<handle->actField.tile[i][j]) moved=handle->actField.tile[i][j];}}}if (handle->score>handle->best) handle->best=handle->score;return moved;} else {return 0;}}