| /* |
| # |
| # File : tetris.cpp |
| # ( C++ source file ) |
| # |
| # Description : A CImg version of the famous Tetris game. |
| # This file is a part of the CImg Library project. |
| # ( http://cimg.eu ) |
| # |
| # Copyright : David Tschumperle |
| # ( http://tschumperle.users.greyc.fr/ ) |
| # |
| # License : CeCILL v2.0 |
| # ( http://www.cecill.info/licences/Licence_CeCILL_V2-en.html ) |
| # |
| # This software is governed by the CeCILL license under French law and |
| # abiding by the rules of distribution of free software. You can use, |
| # modify and/ or redistribute the software under the terms of the CeCILL |
| # license as circulated by CEA, CNRS and INRIA at the following URL |
| # "http://www.cecill.info". |
| # |
| # As a counterpart to the access to the source code and rights to copy, |
| # modify and redistribute granted by the license, users are provided only |
| # with a limited warranty and the software's author, the holder of the |
| # economic rights, and the successive licensors have only limited |
| # liability. |
| # |
| # In this respect, the user's attention is drawn to the risks associated |
| # with loading, using, modifying and/or developing or reproducing the |
| # software by the user in light of its specific status of free software, |
| # that may mean that it is complicated to manipulate, and that also |
| # therefore means that it is reserved for developers and experienced |
| # professionals having in-depth computer knowledge. Users are therefore |
| # encouraged to load and test the software's suitability as regards their |
| # requirements in conditions enabling the security of their systems and/or |
| # data to be ensured and, more generally, to use and operate it in the |
| # same conditions as regards security. |
| # |
| # The fact that you are presently reading this means that you have had |
| # knowledge of the CeCILL license and that you accept its terms. |
| # |
| */ |
| |
| #include "img/tetris.h" |
| #include "CImg.h" |
| using namespace cimg_library; |
| |
| // Main procedure |
| //---------------- |
| int main(int argc,char **argv) { |
| |
| // Read command line argument (if any) |
| cimg_usage("An implementation of the well known 'Tetris' game with CImg."); |
| unsigned int |
| blocdim = cimg_option("-blocdim",18,"Sprite bloc size"), |
| speed = cimg_option("-speed",20,"Initial speed"), |
| level = cimg_option("-level",0,"Level"); |
| const char *geometry = cimg_option("-g","12x20","Size of the board"); |
| unsigned int bwidth = 12,bheight = 20; |
| std::sscanf(geometry,"%u%*c%u",&bwidth,&bheight); |
| |
| const CImg<unsigned char> dlogo = CImg<unsigned char>(data_logo,128,96,1,3,true); |
| if (cimg::dialog("CImg Tetris", |
| "Welcome to the CImg version of Tetris.\n" |
| "( by David Tschumperle )\n\n" |
| "Press 'Start' when you are ready to play !","Start","Quit",0,0,0,0,dlogo,true)) std::exit(0); |
| |
| // Create sprite, background graphics and initial board data |
| const CImgList<unsigned char> pieces = CImgList<unsigned char>(). |
| insert(CImg<unsigned char>(3,2).fill(1,1,1,0,0,1)). |
| insert(CImg<unsigned char>(3,2).fill(2,2,2,2,0,0)). |
| insert(CImg<unsigned char>(2,2).fill(3,3,3,3)). |
| insert(CImg<unsigned char>(4,1).fill(4,4,4,4)). |
| insert(CImg<unsigned char>(3,2).fill(5,5,0,0,5,5)). |
| insert(CImg<unsigned char>(3,2).fill(0,6,6,6,6,0)). |
| insert(CImg<unsigned char>(3,3).fill(0,7,0,7,7,7,0,7,0)). |
| insert(CImg<unsigned char>(2,1).fill(8,8)). |
| insert(CImg<unsigned char>(3,2).fill(9,9,9,0,9,0)). |
| insert(CImg<unsigned char>(2,2).fill(10,10,0,10)). |
| insert(CImg<unsigned char>(3,1).fill(11,11,11)); |
| |
| CImg<unsigned char> board(bwidth,bheight,1,1,0), background(board.width()*blocdim,board.height()*blocdim,1,3,0); |
| (background.noise(30).draw_plasma().noise(30).deriche(5,0,'y').shift(0,-background.height()/2,0,0,2). |
| deriche(5,0,'y'))/=1.5f; |
| if (level) (board.get_shared_rows(board.height() - level,board.height() - 1,0,0).noise(100))%=pieces.size() + 1; |
| |
| // Create a set of small gradient-colored blocs used to draw the pieces. |
| CImgList<unsigned char> blocs(pieces.size(),blocdim,blocdim,1,3); |
| cimglist_for(blocs,l) { |
| CImg<unsigned char> color = CImg<unsigned char>(3,1,1,1,128).noise(127,1).cut(120,255); |
| float val; |
| cimg_forXYC(blocs[l],x,y,k) |
| blocs[l](x,y,k) = (unsigned char)((val=(color[k]*0.7f*(x + y + 5)/blocdim))>255?255:val); |
| blocs[l].draw_line(0,0,0,blocdim - 1,(color>>1).data()). |
| draw_line(0,blocdim - 1,blocdim - 1,blocdim - 1,(color>>1).data()); |
| color = (CImg<unsigned int>(color)*=2).cut(0,255); |
| blocs[l].draw_line(0,0,(int)blocdim - 1,0,color.data()). |
| draw_line(blocdim - 1,0,blocdim - 1,blocdim - 1,color.data()); |
| } |
| |
| // Initialize window display and enter the main event loop |
| CImgDisplay disp(background,"CImg Tetris",0,false,true); |
| disp.move((CImgDisplay::screen_width() - disp.width())/2, |
| (CImgDisplay::screen_height() - disp.height())/2).hide_mouse(); |
| const unsigned char white[3]={ 255, 255, 255 }; |
| CImg<unsigned char> visu, nboard, piece, next, next_mask; |
| int cx = -1, cy = -1, cn = -1, nn = rand()%pieces.size(), time = 0, score = 0; |
| bool gameover = false, pause = false; |
| |
| while (!gameover && !disp.is_closed() && !disp.is_keyESC() && !disp.is_keyQ()) { |
| |
| if (!pause) { |
| |
| // Draw the board on the display window. |
| nboard = board; visu = background; |
| if (cx>=0 && cy>=0) |
| cimg_forXY(piece,x,y) if (piece(x,y)) nboard(cx - piece.width()/2 + x,cy - piece.height()/2 + y)=piece(x,y); |
| cimg_forXY(board,xx,yy) if (nboard(xx,yy)) visu.draw_image(xx*blocdim,yy*blocdim,blocs[nboard(xx,yy) - 1]); |
| visu.draw_text(5,5,"Lines : %d",white,0,1,13,score,nn).draw_text(visu.width() - 75,5,"Next :",white,0,1,13); |
| if (next) visu.draw_image(visu.width() - next.width() - 2,10 - next.height()/2,next,next_mask). |
| display(disp.wait(20)); |
| |
| if (cn<0) { |
| |
| // Introduce a new piece on the board (if necessary) and create representation of the next piece |
| board = nboard; |
| piece = pieces[cn=nn]; |
| nn = rand()%pieces.size(); |
| cx = board.width()/2; |
| cy = piece.height()/2; |
| next = CImg<unsigned char>(pieces[nn].width()*blocdim,pieces[nn].height()*blocdim,1,3,0); |
| cimg_forXY(pieces[nn],xi,yi) |
| if (pieces[nn](xi,yi)) next.draw_image(xi*blocdim,yi*blocdim,blocs[pieces[nn](xi,yi) - 1]); |
| next_mask = next.resize(-50,-50).get_norm().threshold(0); |
| |
| // Detect tetris lines and do line removal animation if found. |
| cimg_forY(board,yyy) { |
| int Y = yyy*blocdim, line = 1; |
| cimg_forX(board,xxx) if (!board(xxx,yyy)) line=0; |
| if (line) { |
| board.draw_image(0,1,board.get_crop(0,0,board.width() - 1,yyy - 1)); |
| if (!((++score)%1) && speed>1) --speed; |
| for (float alpha=0; alpha<=1; alpha+=0.07f) |
| CImg<unsigned char>(visu).draw_image(0,Y,background.get_crop(0,Y,visu.width() - 1, |
| Y + blocdim - 1),alpha). |
| display(disp.wait(20)); |
| visu.draw_image(0,Y,background.get_crop(0,Y,visu.width() - 1,Y + blocdim - 1)); |
| } |
| } |
| } |
| |
| // Handle motion & collisions |
| const int ox = cx, oy = cy; |
| bool rotated = false, collision; |
| switch (disp.key()) { |
| case cimg::keyP: pause = true; break; |
| case cimg::keyARROWUP: piece.rotate(90); rotated = true; disp.set_key(); break; |
| case cimg::keyARROWLEFT: --cx; disp.set_key(); break; |
| case cimg::keyARROWRIGHT: ++cx; disp.set_key(); break; |
| } |
| if (cx - piece.width()/2<0) cx = piece.width()/2; |
| if (cy - piece.height()/2<0) cy = piece.height()/2; |
| if (cx + (piece.width() - 1)/2>=board.width()) cx = board.width() - 1 - (piece.width() - 1)/2; |
| |
| // Detect collision along the X axis |
| collision = false; |
| cimg_forXY(piece,i,j) |
| if (piece(i,j) && board(cx - piece.width()/2 + i,cy - piece.height()/2 + j)) collision = true; |
| if (collision) { cx=ox; if (rotated) piece.rotate(-90); } |
| |
| if (disp.key()==cimg::keyARROWDOWN || !((++time)%speed)) { ++cy; disp.set_key(); } |
| // Detect collisiong along the Y axis |
| collision = false; |
| cimg_forXY(piece,ii,jj) |
| if (piece(ii,jj) && (cy - piece.height()/2 + jj>=board.height() || |
| board(cx - piece.width()/2 + ii,cy - piece.height()/2 + jj))) collision = true; |
| if (collision || cy + (piece.height() - 1)/2>=board.height()) { cy = oy; cn = -1; } |
| if (collision && cy==piece.height()/2) gameover = true; |
| } else { |
| |
| // If game is paused (key 'P'), do a little text animation |
| float A = 0, B = 0; |
| CImg<float> pauselogo = CImg<unsigned char>().draw_text(0,0,"Game Paused\nPress a key",white); |
| disp.set_key(); while (!disp.is_closed() && !disp.key()) { |
| const CImg<float> pauserotated = pauselogo.get_rotate((float)(30*std::sin(A)),1,0). |
| resize((int)(-150 - 80*std::sin(B)),(int)(-150 - 80*std::sin(B))); |
| A+=0.08f; B+=0.043f; |
| CImg<unsigned char>(background). |
| draw_image((background.width() - pauserotated.width())/2, |
| (background.height() - pauserotated.height())/2, |
| pauserotated.get_resize(-100,-100,1,3,2),pauserotated,1,255).display(disp.wait(20)); |
| if (disp.is_resized()) disp.resize(); |
| } |
| disp.set_key(); |
| pause = false; |
| } |
| background.shift(0,-20/(int)speed,0,0,2); |
| if (disp.is_resized()) disp.resize(); |
| } |
| |
| // End of game reached, display the score and do a 'game over' animation |
| cimg_forXYC(visu,x,y,k) if (x%2 || y%2) visu(x,y,k) = 0; |
| visu.display(disp); |
| char tmp[1024]; |
| std::sprintf(tmp,"Game Over !\n\nYour score : %d",score); |
| cimg::dialog("CImg Tetris",tmp,"Quit"); |
| return 0; |
| } |