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Diffstat (limited to 'examples/tetrix/tpiece.cpp')
| -rw-r--r-- | examples/tetrix/tpiece.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/examples/tetrix/tpiece.cpp b/examples/tetrix/tpiece.cpp new file mode 100644 index 000000000..71e47e9b3 --- /dev/null +++ b/examples/tetrix/tpiece.cpp @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "tpiece.h" +#include "qstring.h" +#include <stdlib.h> + +void TetrixPiece::rotateLeft() +{ + if ( pieceType == 5 ) // don't rotate square piece type + return; + int tmp; + for (int i = 0 ; i < 4 ; i++) { + tmp = getXCoord(i); + setXCoord(i,getYCoord(i)); + setYCoord(i,-tmp); + } +} + +void TetrixPiece::rotateRight() +{ + if ( pieceType == 5 ) // don't rotate square piece type + return; + int tmp; + for (int i = 0 ; i < 4 ; i++) { + tmp = getXCoord(i); + setXCoord(i,-getYCoord(i)); + setYCoord(i,tmp); + } +} + +int TetrixPiece::getMinX() +{ + int tmp = coordinates[0][0]; + for(int i = 1 ; i < 4 ; i++) + if (tmp > coordinates[i][0]) + tmp = coordinates[i][0]; + return tmp; +} + +int TetrixPiece::getMaxX() +{ + int tmp = coordinates[0][0]; + for(int i = 1 ; i < 4 ; i++) + if (tmp < coordinates[i][0]) + tmp = coordinates[i][0]; + return tmp; + +} + +int TetrixPiece::getMinY() +{ + int tmp = coordinates[0][1]; + for(int i = 1 ; i < 4 ; i++) + if (tmp > coordinates[i][1]) + tmp = coordinates[i][1]; + return tmp; +} + +int TetrixPiece::getMaxY() +{ + int tmp = coordinates[0][1]; + for(int i = 1 ; i < 4 ; i++) + if (tmp < coordinates[i][1]) + tmp = coordinates[i][1]; + return tmp; +} + +void TetrixPiece::initialize(int type) +{ + static int pieceTypes[7][4][2] = {{{ 0,-1}, + { 0, 0}, + {-1, 0}, + {-1, 1}}, + + {{ 0,-1}, + { 0, 0}, + { 1, 0}, + { 1, 1}}, + + {{ 0,-1}, + { 0, 0}, + { 0, 1}, + { 0, 2}}, + + {{-1, 0}, + { 0, 0}, + { 1, 0}, + { 0, 1}}, + + {{ 0, 0}, + { 1, 0}, + { 0, 1}, + { 1, 1}}, + + {{-1,-1}, + { 0,-1}, + { 0, 0}, + { 0, 1}}, + + {{ 1,-1}, + { 0,-1}, + { 0, 0}, + { 0, 1}}}; + if (type < 1 || type > 7) + type = 1; + pieceType = type; + for(int i = 0 ; i < 4 ; i++) { + coordinates[i][0] = pieceTypes[type - 1][i][0]; + coordinates[i][1] = pieceTypes[type - 1][i][1]; + } +} + + +/* + * Sigh, oh beautiful nostalgia! This random algorithm has + * been taken from the book "Adventures with your pocket calculator" + * and I used it in my first implemented and machine- + * run program of any size to speak of. Imagine how hungry I + * was after having programmed BASIC on paper for + * half a year?!!?!?!?!?!? The first program I typed in was a + * slot machine game and was made in BASIC on a SHARP + * PC-1211 with 1,47 KB RAM (one point four seven kilobytes) and + * a one-line LCD-display (I think it had 32 characters) in the + * year of our lord 1981. The man I had bought the machine from worked + * as a COBOL programmer and was amazed and impressed + * when I demonstrated the program 2 days after I had + * bought the machine, quote: "Gees, I have been looking so long + * for a "random" command in that BASIC, what is it called?" + * Oh, how I still get a thrill out of the thought of the + * explanation I then gave him... + */ + +/* + * Sukk, aa vakre nostalgi! Denne random algoritmen er + * tatt fra boka "Adventures with your pocket calculator" + * og den brukte jeg i mitt foerste implementerte og maskin- + * kjoerte program av nevneverdig stoerrelse. Tror du jeg var + * noe sulten etter aa ha programmert BASIC paa papir i et + * halvt aar?!!?!?!?!?!? Programmet jeg tasta inn foerst var et + * "enarmet banditt" spill og ble laget i BASIC paa en SHARP + * PC-1211 med 1,47 KB RAM (en komma foertisju kilobyte) og + * et en-linjers LCD-display (tror det hadde 32 karakterer) i det + * herrens aar 1981. Mannen jeg kjoepte maskinen av jobbet til + * daglig med COBOL programmering og var forbloeffet og imponert + * da jeg demonstrerte programmet 2 dager etter at jeg hadde + * kjoept maskinen, sitat: "Joess, jeg som har leita saa lenge + * etter en random kommando i den BASICen, hva var det den + * het?" Aa, jeg frydes ennaa ved tanken paa forklaringen jeg + * deretter ga ham... + */ + +double TetrixPiece::randomSeed = 0.33333; + +void TetrixPiece::setRandomSeed(double seed) +{ + TQCString buffer; + if (seed < 0) + seed = - seed; + if (seed >= 1) + seed = seed - (double) ((int) seed); + buffer.sprintf("%1.5f",(float) seed); + for (int i = 0 ; i < 5 ; i++) + if ((buffer[i + 2] - '0') % 2 == 0) + buffer[i + 2]++; + randomSeed = atof(buffer); +} + +int TetrixPiece::randomValue(int maxPlusOne) +{ + randomSeed = randomSeed*147; + randomSeed = randomSeed - (double) ((int) randomSeed); + return (int) (randomSeed*maxPlusOne); +} |