Permalink
Cannot retrieve contributors at this time
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
208 lines (189 sloc)
9.7 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
# | |
# 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 Tschumperlé | |
# ( 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; | |
} |