OS作成奮闘記day48
day49
今日はinvader.cを軽くする作業をします。
ipl09.nasをダウンロードしてディレクトリに配置してから改造します。
invader.c
#include <stdio.h> /* sprintf */ #include <string.h> /* strlen */ #include "apilib.h" void putstr(int win, char *winbuf, int x, int y, int col, unsigned char *s); void wait(int i, int timer, char *keyflag); void setdec8(char *s, int i); static unsigned char charset[16 * 8] = { /* invader(0) */ 0x00, 0x00, 0x00, 0x43, 0x5f, 0x5f, 0x5f, 0x7f, 0x1f, 0x1f, 0x1f, 0x1f, 0x00, 0x20, 0x3f, 0x00, /* invader(1) */ 0x00, 0x0f, 0x7f, 0xff, 0xcf, 0xcf, 0xcf, 0xff, 0xff, 0xe0, 0xff, 0xff, 0xc0, 0xc0, 0xc0, 0x00, /* invader(2) */ 0x00, 0xf0, 0xfe, 0xff, 0xf3, 0xf3, 0xf3, 0xff, 0xff, 0x07, 0xff, 0xff, 0x03, 0x03, 0x03, 0x00, /* invader(3) */ 0x00, 0x00, 0x00, 0xc2, 0xfa, 0xfa, 0xfa, 0xfe, 0xf8, 0xf8, 0xf8, 0xf8, 0x00, 0x04, 0xfc, 0x00, /* fighter(0) */ 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x43, 0x47, 0x4f, 0x5f, 0x7f, 0x7f, 0x00, /* fighter(1) */ 0x18, 0x7e, 0xff, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xff, 0xff, 0xe7, 0xe7, 0xe7, 0xe7, 0xff, 0x00, /* fighter(2) */ 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xc2, 0xe2, 0xf2, 0xfa, 0xfe, 0xfe, 0x00, /* laser */ 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 }; /* invader:"abcd", fighter:"efg", laser:"h" */ void HariMain(void) { int win, timer, i, j, fx, laserwait, lx = 0, ly; int ix, iy, movewait0, movewait, idir; int invline, score, high, point; char winbuf[336 * 261], invstr[32 * 6], s[12], keyflag[4], *p; static char invstr0[32] = " abcd abcd abcd abcd abcd "; win = api_openwin(winbuf, 336, 261, -1, "invader"); api_boxfilwin(win, 6, 27, 329, 254, 0); timer = api_alloctimer(); api_inittimer(timer, 128); high = 0; putstr(win, winbuf, 22, 0, 7, "HIGH:00000000"); restart: score = 0; point = 1; putstr(win, winbuf, 4, 0, 7, "SCORE:00000000"); movewait0 = 20; fx = 18; putstr(win, winbuf, fx, 13, 6, "efg"); wait(100, timer, keyflag); next_group: wait(100, timer, keyflag); ix = 7; iy = 1; invline = 6; for (i = 0; i < 6; i++) { for (j = 0; j < 27; j++) { invstr[i * 32 + j] = invstr0[j]; } putstr(win, winbuf, ix, iy + i, 2, invstr + i * 32); } keyflag[0] = 0; keyflag[1] = 0; keyflag[2] = 0; ly = 0; /* 非表示 */ laserwait = 0; movewait = movewait0; idir = +1; wait(100, timer, keyflag); for (;;) { if (laserwait != 0) { laserwait--; keyflag[2 /* space */] = 0; } wait(4, timer, keyflag); /* 自機の処理 */ if (keyflag[0 /* left */] != 0 && fx > 0) { fx--; putstr(win, winbuf, fx, 13, 6, "efg "); keyflag[0 /* left */] = 0; } if (keyflag[1 /* right */] != 0 && fx < 37) { putstr(win, winbuf, fx, 13, 6, " efg"); fx++; keyflag[1 /* right */] = 0; } if (keyflag[2 /* space */] != 0 && laserwait == 0) { laserwait = 15; lx = fx + 1; ly = 13; } /* インベーダ移動 */ if (movewait != 0) { movewait--; } else { movewait = movewait0; if (ix + idir > 14 || ix + idir < 0) { if (iy + invline == 13) { break; /* GAME OVER */ } idir = - idir; putstr(win, winbuf, ix + 1, iy, 0, " "); iy++; } else { ix += idir; } for (i = 0; i < invline; i++) { putstr(win, winbuf, ix, iy + i, 2, invstr + i * 32); } } /* レーザー処理 */ if (ly > 0) { if (ly < 13) { if (ix < lx && lx < ix + 25 && iy <= ly && ly < iy + invline) { putstr(win, winbuf, ix, ly, 2, invstr + (ly - iy) * 32); } else { putstr(win, winbuf, lx, ly, 0, " "); } } ly--; if (ly > 0) { putstr(win, winbuf, lx, ly, 3, "h"); } else { point -= 10; if (point <= 0) { point = 1; } } if (ix < lx && lx < ix + 25 && iy <= ly && ly < iy + invline) { p = invstr + (ly - iy) * 32 + (lx - ix); if (*p != ' ') { /* hit ! */ score += point; point++; setdec8(s, score); putstr(win, winbuf, 10, 0, 7, s); if (high < score) { high = score; putstr(win, winbuf, 27, 0, 7, s); } for (p--; *p != ' '; p--) { } for (i = 1; i < 5; i++) { p[i] = ' '; } putstr(win, winbuf, ix, ly, 2, invstr + (ly - iy) * 32); for (; invline > 0; invline--) { for (p = invstr + (invline - 1) * 32; *p != 0; p++) { if (*p != ' ') { goto alive; } } } /* 全部やっつけられた */ movewait0 -= movewait0 / 3; goto next_group; alive: ly = 0; } } } } /* GAME OVER */ putstr(win, winbuf, 15, 6, 1, "GAME OVER"); wait(0, timer, keyflag); for (i = 1; i < 14; i++) { putstr(win, winbuf, 0, i, 0, " "); } goto restart; } void putstr(int win, char *winbuf, int x, int y, int col, unsigned char *s) { int c, x0, i; char *p, *q, t[2]; x = x * 8 + 8; y = y * 16 + 29; x0 = x; i = strlen(s); /* sの文字数を数える */ api_boxfilwin(win + 1, x, y, x + i * 8 - 1, y + 15, 0); q = winbuf + y * 336; t[1] = 0; for (;;) { c = *s; if (c == 0) { break; } if (c != ' ') { if ('a' <= c && c <= 'h') { p = charset + 16 * (c - 'a'); q += x; for (i = 0; i < 16; i++) { if ((p[i] & 0x80) != 0) { q[0] = col; } if ((p[i] & 0x40) != 0) { q[1] = col; } if ((p[i] & 0x20) != 0) { q[2] = col; } if ((p[i] & 0x10) != 0) { q[3] = col; } if ((p[i] & 0x08) != 0) { q[4] = col; } if ((p[i] & 0x04) != 0) { q[5] = col; } if ((p[i] & 0x02) != 0) { q[6] = col; } if ((p[i] & 0x01) != 0) { q[7] = col; } q += 336; } q -= 336 * 16 + x; } else { t[0] = *s; api_putstrwin(win + 1, x, y, col, 1, t); } } s++; x += 8; } api_refreshwin(win, x0, y, x, y + 16); return; } void wait(int i, int timer, char *keyflag) { int j; if (i > 0) { /* 一定時間待つ */ api_settimer(timer, i); i = 128; } else { i = 0x0a; /* Enter */ } for (;;) { j = api_getkey(1); if (i == j) { break; } if (j == '4') { keyflag[0 /* left */] = 1; } if (j == '6') { keyflag[1 /* right */] = 1; } if (j == ' ') { keyflag[2 /* space */] = 1; } } return; } void setdec8(char *s, int i) /* iを10進数表記でsに格納 */ { int j; for (j = 7; j >= 0; j--) { s[j] = '0' + i % 10; i /= 10; } s[8] = 0; return; }
OS開発もこれにて完了で久しぶりにこんなに大がかりのモノを作りました。
最後までやり抜けてとてもいい経験になりました。
次は何をつくろうかな。
pythonで自分だけのメモ帳をつくるかもしれないし、CでNESエミュレータをつくるかもしれないし。
C++でwindows用のアプリケーションをつくるかもしれない。
作りたいものはまだまだ沢山あるのでこれからが楽しみです。
