diff --git a/BUGS b/BUGS new file mode 100644 index 0000000..87ee502 --- /dev/null +++ b/BUGS @@ -0,0 +1,8 @@ +$Id$ + +Video rendering + + o Slang's and ncurses' hashmap scrolling optimization code cause the + screen to occasionally flicker because it tries to optimize the + vertical scrolling. + diff --git a/Makefile.am b/Makefile.am index 566a35b..a2a95e4 100644 --- a/Makefile.am +++ b/Makefile.am @@ -5,6 +5,6 @@ SUBDIRS = libee test src DIST_SUBDIRS = $(SUBDIRS) autotools data debian -EXTRA_DIST = doc/shapes.txt bootstrap +EXTRA_DIST = BUGS doc/shapes.txt bootstrap AUTOMAKE_OPTIONS = foreign dist-bzip2 diff --git a/README b/README index 1455ddd..285dc03 100644 --- a/README +++ b/README @@ -1,47 +1,46 @@ +$Id$ Building ttyvaders -================== - Run configure then make. Configure flags are: + o Run configure then make. Useful configure flags are: - --enable-slang: use the SLang library (default) - --enable-ncurses: use the ncurses library - --enable-conio: use MS-DOS conio.h + --enable-slang: use the SLang library (default) + --enable-ncurses: use the ncurses library + --enable-conio: use MS-DOS conio.h - Cross-compilation example: - ./configure --enable-conio --host=i386-pc-msdosdjgpp + o Cross-compilation example: + + ./configure --enable-conio --host=i386-pc-msdosdjgpp History of textmode games -========================= -http://www.textmodegames.com/ + o http://www.textmodegames.com/ Other terminal-based games -========================== - * moon-buggy: http://www.mathematik.uni-kl.de/~wwwstoch/voss/comp/moon-buggy.html - extremely simple, extremely addictive + o moon-buggy: extremely simple, extremely addictive + http://www.mathematik.uni-kl.de/~wwwstoch/voss/comp/moon-buggy.html - * 0verkill: http://artax.karlin.mff.cuni.cz/~brain/0verkill/ + o 0verkill: http://artax.karlin.mff.cuni.cz/~brain/0verkill/ - * nInvaders: http://dettus.dyndns.org/ninvaders/ - real space invaders clone + o nInvaders: http://dettus.dyndns.org/ninvaders/ + real space invaders clone - * Stardork: http://www.seekrut.com/rk/stardork.html - more strategy than arcade + o Stardork: http://www.seekrut.com/rk/stardork.html + more strategy than arcade - * Nethack: http://www.nethack.org/ + o Nethack: http://www.nethack.org/ - * Tetrinet: http://www.secret.com.au/games/tetrinet/ + o Tetrinet: http://www.secret.com.au/games/tetrinet/ - * MyMan: http://geocities.com/bsittler/ - pacman clone + o MyMan: http://geocities.com/bsittler/ + pacman clone - * Tornado: http://home.kcore.de/~kiza/linux/tornado/ + o Tornado: http://home.kcore.de/~kiza/linux/tornado/ - * David's Perl games: http://davidsperlgames.sourceforge.net/ + o David's Perl games: http://davidsperlgames.sourceforge.net/ - * ascii-invaders: http://www.ip9.org/munro/invaders/index.html + o ascii-invaders: http://www.ip9.org/munro/invaders/index.html diff --git a/TODO b/TODO index c952e94..2185f08 100644 --- a/TODO +++ b/TODO @@ -1,44 +1,47 @@ -Things to do +$Id$ - * let the ship pick up bonuses +TODO for libee - DONE 23 Dec 2002: handle life + o Sprite library - * alien swarms, programmed behaviour + o Clip graphics - * sprite library + o Fix the thin ellipse rendering - DONE 23 Dec 2002: mega ball + o Write a Linux console output for the drawing library + See also BUGS as to why it's very slow in console mode - * spiral weapon (vertical sine) + o DONE 12 Nov 2003: Port to conio.h - DONE 23 Dec 2002: fragmentation bomb (merge with mega-ball?) - * stick aliens to tunnel +TODO for ttyvaders - * change tunnel colour + o Let the ship pick up bonuses - DONE Dec 23 2002: fill holes in the tunnel when |step| > 2 + o Alien swarms, programmed behaviour - DONE Dec 18 2002: draw a 3rd alien type + o Spiral weapon (vertical sine) - * draw bosses + o Stick aliens to tunnel - * port to conio.h + o Change tunnel colour - * clip graphics + o Draw bosses - * promote precision for all coordinates except screen + o Promote precision for all coordinates except screen - DONE Dec 19 2002: tunnel sometimes doesn't get drawn on the left + o Animate the ship - * write a generic drawing library with automatic clipping + o The nuke should break the tunnel + Or at least a bit - * write a linux console output for the drawing library + o The laser stays alive when the ship explodes - * animate the ship - - * the nuke should break the tunnel - - * the laser stays alive when the ship explodes + o DONE 12 Nov 2003: Write a generic drawing library with automatic clipping + o DONE 23 Dec 2002: Handle life + o DONE 23 Dec 2002: Mega ball + o DONE 23 Dec 2002: Fragmentation bomb (merge with mega-ball?) + o DONE 23 Dec 2002: Fill holes in the tunnel when |step| > 2 + o DONE 19 Dec 2002: Tunnel sometimes doesn't get drawn on the left + o DONE 18 Dec 2002: Draw a 3rd alien type diff --git a/libee/Makefile.am b/libee/Makefile.am index 0858f7f..82b4e2a 100644 --- a/libee/Makefile.am +++ b/libee/Makefile.am @@ -6,6 +6,7 @@ lib_LIBRARIES = libee.a libee_a_SOURCES = \ ee.c \ ee.h \ + ee_internals.h \ graphics.c \ io.c \ math.c \ diff --git a/libee/box.c b/libee/box.c index 2a4defe..a034b3f 100644 --- a/libee/box.c +++ b/libee/box.c @@ -22,15 +22,10 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #include #include "ee.h" +#include "ee_internals.h" void ee_draw_box(int x1, int y1, int x2, int y2, char c) { diff --git a/libee/conic.c b/libee/conic.c index a54e675..63f1b94 100644 --- a/libee/conic.c +++ b/libee/conic.c @@ -22,12 +22,6 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #ifdef HAVE_INTTYPES_H # include #else @@ -37,6 +31,7 @@ typedef unsigned char uint8_t; #include #include "ee.h" +#include "ee_internals.h" static void ellipsepoints(int, int, int, int, char); diff --git a/libee/ee.c b/libee/ee.c index 08e6a49..d59f042 100644 --- a/libee/ee.c +++ b/libee/ee.c @@ -43,18 +43,63 @@ #include #include "ee.h" +#include "ee_internals.h" + +/* Global array with color names */ +char *ee_color_names[16] = +{ + "black", + "blue", + "green", + "cyan", + "red", + "magenta", + "brown", + "lightgray", + "darkgray", + "lightblue", + "lightgreen", + "lightcyan", + "lightred", + "lightmagenta", + "yellow", + "white", +}; static int _ee_delay; + +#if defined(USE_NCURSES) +int _ee_attr[16]; +#endif + #if defined(USE_CONIO) static struct text_info ti; -char *_screen_buffer; +char *_ee_screen; #endif int ee_init(void) { #if defined(USE_SLANG) - static char * colors[] = { "black", "green", "yellow", "white", - "red", "gray", "lightgray", "blue", "cyan", "magenta", NULL }; + static char *slang_colors[16] = + { + "black", + "blue", + "green", + "cyan", + "red", + "magenta", + "brown", + "lightgray", + "gray", + "brightblue", + "brightgreen", + "brightcyan", + "brightred", + "brightmagenta", + "yellow", + "white", + }; + int i; /* Initialize slang library */ @@ -81,13 +126,12 @@ int ee_init(void) SLtt_set_cursor_visibility(0); SLsmg_refresh(); - for(i = 0; colors[i]; i++) - { - SLtt_set_color(i + 1, NULL, colors[i], "black"); - } + for(i = 0; i < 16; i++) + SLtt_set_color(i + 1, NULL, slang_colors[i], "black"); #elif defined(USE_NCURSES) - /* Initialize ncurses library */ + int i; + initscr(); keypad(stdscr, TRUE); nonl(); @@ -98,24 +142,40 @@ int ee_init(void) start_color(); - init_pair(EE_BLACK, COLOR_BLACK, COLOR_BLACK); - init_pair(EE_GREEN, COLOR_GREEN, COLOR_BLACK); - init_pair(EE_YELLOW, COLOR_YELLOW, COLOR_BLACK); - init_pair(EE_WHITE, COLOR_WHITE, COLOR_BLACK); - init_pair(EE_RED, COLOR_RED, COLOR_BLACK); - init_pair(EE_GRAY, COLOR_WHITE, COLOR_BLACK); // XXX - init_pair(EE_LIGHTGRAY, COLOR_WHITE, COLOR_BLACK); // XXX - init_pair(EE_BLUE, COLOR_BLUE, COLOR_BLACK); - init_pair(EE_CYAN, COLOR_CYAN, COLOR_BLACK); - init_pair(EE_MAGENTA, COLOR_MAGENTA, COLOR_BLACK); + init_pair(1 + EE_BLACK, COLOR_BLACK, COLOR_BLACK); + init_pair(1 + EE_BLUE, COLOR_BLUE, COLOR_BLACK); + init_pair(1 + EE_GREEN, COLOR_GREEN, COLOR_BLACK); + init_pair(1 + EE_CYAN, COLOR_CYAN, COLOR_BLACK); + init_pair(1 + EE_RED, COLOR_RED, COLOR_BLACK); + init_pair(1 + EE_MAGENTA, COLOR_MAGENTA, COLOR_BLACK); + init_pair(1 + EE_BROWN, COLOR_YELLOW, COLOR_BLACK); + init_pair(1 + EE_LIGHTGRAY, COLOR_WHITE, COLOR_BLACK); + init_pair(1 + EE_DARKGRAY, COLOR_BLACK, COLOR_BLACK); + init_pair(1 + EE_LIGHTBLUE, COLOR_BLUE, COLOR_BLACK); + init_pair(1 + EE_LIGHTGREEN, COLOR_GREEN, COLOR_BLACK); + init_pair(1 + EE_LIGHTCYAN, COLOR_CYAN, COLOR_BLACK); + init_pair(1 + EE_LIGHTRED, COLOR_RED, COLOR_BLACK); + init_pair(1 + EE_LIGHTMAGENTA, COLOR_MAGENTA, COLOR_BLACK); + init_pair(1 + EE_YELLOW, COLOR_YELLOW, COLOR_BLACK); + init_pair(1 + EE_WHITE, COLOR_WHITE, COLOR_BLACK); + + for(i = 0; i < 8; i++) + { + _ee_attr[i] = COLOR_PAIR(1 + i); + _ee_attr[i + 8] = A_BOLD | COLOR_PAIR(1 + i); + } #elif defined(USE_CONIO) _wscroll = 0; _setcursortype(_NOCURSOR); clrscr(); gettextinfo(&ti); - _screen_buffer = malloc(ee_get_width() * ee_get_height() * 2); - ScreenRetrieve(_screen_buffer); + _ee_screen = malloc(2 * ti.screenwidth * ti.screenheight); +# if defined(SCREENUPDATE_IN_PC_H) + ScreenRetrieve(_ee_screen); +# else + /* FIXME */ +# endif #endif _ee_delay = 0; @@ -187,7 +247,11 @@ void ee_refresh(void) #elif defined(USE_NCURSES) refresh(); #elif defined(USE_CONIO) - ScreenUpdate(_screen_buffer); +# if defined(SCREENUPDATE_IN_PC_H) + ScreenUpdate(_ee_screen); +# else + /* FIXME */ +# endif #endif #if !defined(USE_CONIO) @@ -214,7 +278,6 @@ void ee_end(void) curs_set(1); endwin(); #elif defined(USE_CONIO) - ScreenUpdate(_screen_buffer); _wscroll = 1; textcolor((enum COLORS)WHITE); textbackground((enum COLORS)BLACK); diff --git a/libee/ee.h b/libee/ee.h index a2a1822..e3e30b0 100644 --- a/libee/ee.h +++ b/libee/ee.h @@ -31,16 +31,27 @@ extern "C" /* * Colors */ -#define EE_BLACK 1 -#define EE_GREEN 2 -#define EE_YELLOW 3 -#define EE_WHITE 4 -#define EE_RED 5 -#define EE_GRAY 6 -#define EE_LIGHTGRAY 7 -#define EE_BLUE 8 -#define EE_CYAN 9 -#define EE_MAGENTA 10 +enum ee_colors +{ + EE_BLACK = 0, + EE_BLUE = 1, + EE_GREEN = 2, + EE_CYAN = 3, + EE_RED = 4, + EE_MAGENTA = 5, + EE_BROWN = 6, + EE_LIGHTGRAY = 7, + EE_DARKGRAY = 8, + EE_LIGHTBLUE = 9, + EE_LIGHTGREEN = 10, + EE_LIGHTCYAN = 11, + EE_LIGHTRED = 12, + EE_LIGHTMAGENTA = 13, + EE_YELLOW = 14, + EE_WHITE = 15 +}; + +extern char *ee_color_names[16]; /* * Types diff --git a/libee/ee_internals.h b/libee/ee_internals.h new file mode 100644 index 0000000..36f10f1 --- /dev/null +++ b/libee/ee_internals.h @@ -0,0 +1,34 @@ +/* + * libee ASCII-Art library + * Copyright (c) 2002, 2003 Sam Hocevar + * All Rights Reserved + * + * $Id$ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __EE_INTERNALS_H__ +#define __EE_INTERNALS_H__ + +#if defined(USE_NCURSES) +extern int _ee_attr[]; +#endif + +#if defined(USE_CONIO) +extern char *_ee_screen; +#endif + +#endif /* __EE_INTERNALS_H__ */ diff --git a/libee/graphics.c b/libee/graphics.c index 76fe93f..2b9a12f 100644 --- a/libee/graphics.c +++ b/libee/graphics.c @@ -36,34 +36,22 @@ #include #include "ee.h" +#include "ee_internals.h" static int ee_color = 0; -#if defined(USE_CONIO) -static enum COLORS dos_colors[] = { - 0, - BLACK, - GREEN, - YELLOW, - WHITE, - RED, - DARKGRAY, - LIGHTGRAY, - BLUE, - CYAN, - MAGENTA -}; -#endif void ee_set_color(int color) { + if(color < 0 || color > 15) + return; + ee_color = color; #if defined(USE_SLANG) - SLsmg_set_color(color); + SLsmg_set_color(color + 1); #elif defined(USE_NCURSES) - attrset(COLOR_PAIR(color)); + attrset(_ee_attr[color]); #elif defined(USE_CONIO) - if(color >= 1 && color <= 10) - textcolor(dos_colors[color]); + textcolor(color); #endif } @@ -72,44 +60,57 @@ int ee_get_color(void) return ee_color; } -extern char *_screen_buffer; - void ee_putchar(int x, int y, char c) { + if(x < 0 || x >= ee_get_width() || y < 0 || y >= ee_get_height()) + return; + #if defined(USE_SLANG) - SLsmg_gotorc(y,x); + SLsmg_gotorc(y, x); SLsmg_write_char(c); #elif defined(USE_NCURSES) - move(y,x); + move(y, x); addch(c); #elif defined(USE_CONIO) - if(x<0 || x>=ee_get_width() || y<0 || y>=ee_get_height()) - return; - _screen_buffer[2 * (x + y * ee_get_width())] = c; - _screen_buffer[2 * (x + y * ee_get_width()) + 1] = dos_colors[ee_color]; -// gotoxy(x+1,y+1); + _ee_screen[2 * (x + y * ee_get_width())] = c; + _ee_screen[2 * (x + y * ee_get_width()) + 1] = ee_color; +// gotoxy(x + 1, y + 1); // putch(c); #endif } void ee_putstr(int x, int y, char *s) { - if(y<0 || y>=ee_get_height()) + int len; + + if(y < 0 || y >= ee_get_height()) return; + + len = strlen(s); + + if(x < 0) + { + len -= -x; + if(len < 0) + return; + s += -x; + x = 0; + } + #if defined(USE_SLANG) - SLsmg_gotorc(y,x); + SLsmg_gotorc(y, x); SLsmg_write_string(s); #elif defined(USE_NCURSES) - move(y,x); + move(y, x); addstr(s); #elif defined(USE_CONIO) - char *buf = _screen_buffer + 2 * (x + y * ee_get_width()); + char *buf = _ee_screen + 2 * (x + y * ee_get_width()); while(*s) { *buf++ = *s++; - *buf++ = dos_colors[ee_color]; + *buf++ = ee_color; } -// gotoxy(x+1,y+1); +// gotoxy(x + 1, y + 1); // cputs(s); #endif } @@ -117,7 +118,8 @@ void ee_putstr(int x, int y, char *s) void ee_clear(void) { /* We could use SLsmg_cls() etc., but drawing empty lines is much faster */ - int x = ee_get_width(), y = ee_get_height(); + int x = ee_get_width(); + int y = ee_get_height(); char *empty_line = malloc((x + 1) * sizeof(char)); memset(empty_line, ' ', x); diff --git a/libee/io.c b/libee/io.c index 54dd4d3..75aea9b 100644 --- a/libee/io.c +++ b/libee/io.c @@ -22,37 +22,31 @@ #include "config.h" -#ifdef USE_SLANG +#if defined(USE_SLANG) # include -#elif USE_NCURSES +#elif defined(USE_NCURSES) # include -#elif USE_CONIO +#elif defined(USE_CONIO) # include #else # error "no graphics library detected" #endif #include "ee.h" +#include "ee_internals.h" char ee_get_key(void) { -#ifdef USE_SLANG - if(SLang_input_pending(0)) - { - return SLang_getkey(); - } -#elif USE_NCURSES +#if defined(USE_SLANG) + return SLang_input_pending(0) ? SLang_getkey() : 0; + +#elif defined(USE_NCURSES) char key = getch(); + return key != ERR ? key : 0; - if(key != ERR) - { - return key; - } -#elif USE_CONIO +#elif defined(USE_CONIO) return _conio_kbhit() ? getch() : 0; #endif - - return 0; } diff --git a/libee/line.c b/libee/line.c index f73333e..6454438 100644 --- a/libee/line.c +++ b/libee/line.c @@ -22,12 +22,6 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #ifdef HAVE_INTTYPES_H # include #else @@ -37,6 +31,7 @@ typedef unsigned char uint8_t; #include #include "ee.h" +#include "ee_internals.h" struct line { diff --git a/libee/math.c b/libee/math.c index 5bd108c..77731af 100644 --- a/libee/math.c +++ b/libee/math.c @@ -22,15 +22,10 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #include #include "ee.h" +#include "ee_internals.h" int ee_rand(int min, int max) { diff --git a/libee/sprite.c b/libee/sprite.c index 3935070..756ed5d 100644 --- a/libee/sprite.c +++ b/libee/sprite.c @@ -22,17 +22,12 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #include #include #include #include "ee.h" +#include "ee_internals.h" struct ee_frame { diff --git a/libee/triangle.c b/libee/triangle.c index 8899366..40443f4 100644 --- a/libee/triangle.c +++ b/libee/triangle.c @@ -22,15 +22,10 @@ #include "config.h" -#ifdef USE_SLANG -# include -#elif USE_NCURSES -# include -#endif - #include #include "ee.h" +#include "ee_internals.h" void ee_draw_triangle(int x1, int y1, int x2, int y2, int x3, int y3, char c) { diff --git a/src/Makefile.am b/src/Makefile.am index 6c030a4..42e9f46 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -29,5 +29,5 @@ ttyvaders_SOURCES = \ tunnel.c \ weapons.c \ $(NULL) -ttyvaders_LDADD = ../libee/libee.a $(LDFLAGS_slang) $(LDFLAGS_ncurses) +ttyvaders_LDADD = ../libee/libee.a $(LDFLAGS_slang) $(LDFLAGS_ncurses) -lm diff --git a/src/overlay.c b/src/overlay.c index 0fad04d..4f29762 100644 --- a/src/overlay.c +++ b/src/overlay.c @@ -32,7 +32,7 @@ void draw_status(game *g) static char dashes30[] = "=============================="; /* Draw life jauge */ - ee_set_color(EE_GRAY); + ee_set_color(EE_DARKGRAY); ee_putstr(4, 1, dots30); if(g->p->life > MAX_LIFE * 7 / 10) @@ -55,7 +55,7 @@ void draw_status(game *g) ee_putstr(34, 1, "|"); /* Draw weapon jauge */ - ee_set_color(EE_GRAY); + ee_set_color(EE_DARKGRAY); ee_putstr(42, 1, dots30 + 10); if(g->p->special > MAX_SPECIAL * 9 / 10) diff --git a/src/weapons.c b/src/weapons.c index 0d68ae9..ea1ffe3 100644 --- a/src/weapons.c +++ b/src/weapons.c @@ -69,7 +69,7 @@ void draw_weapons(game *g, weapons *wp) ee_putchar(wp->x[i] >> 4, wp->y[i] >> 4, '@'); break; case WEAPON_BOMB: - ee_set_color(EE_GRAY); + ee_set_color(EE_DARKGRAY); ee_putchar((wp->x[i] - wp->vx[i]) >> 4, (wp->y[i] - wp->vy[i]) >> 4, '.'); ee_putchar((wp->x3[i] - wp->vx[i]) >> 4, (wp->y3[i] - wp->vy[i]) >> 4, '.'); ee_putchar((wp->x2[i] - wp->vx[i]) >> 4, (wp->y2[i] - wp->vy[i]) >> 4, '.'); diff --git a/test/demo.c b/test/demo.c index d040700..f06955b 100644 --- a/test/demo.c +++ b/test/demo.c @@ -24,6 +24,7 @@ #include #include +#include #include "ee.h" @@ -31,6 +32,7 @@ static void display_menu(void); static void demo_all(void); +static void demo_color(void); static void demo_dots(void); static void demo_lines(void); static void demo_boxes(void); @@ -76,6 +78,10 @@ int main(int argc, char **argv) demo = NULL; quit = 1; break; + case 'c': + ee_clear(); + demo = demo_color; + break; case '0': ee_clear(); demo = demo_all; @@ -143,10 +149,7 @@ static void display_menu(void) ee_clear(); ee_set_color(EE_WHITE); - ee_draw_line(xo, yo, 1, yo, '.'); - ee_draw_line(1, yo, 1, 1, ':'); - ee_draw_line(xo, 1, xo, yo, ':'); - ee_draw_line(1, 1, xo, 1, '.'); + ee_draw_thin_box(1, 1, xo, yo); ee_putstr((xo - strlen("libee demo")) / 2, 3, "libee demo"); ee_putstr((xo - strlen("============")) / 2, 4, "============"); @@ -171,7 +174,7 @@ static void demo_all(void) { static int i = 0; - int j, xo, yo, x1, y1, x2, y2, x3, y3; + int j, xo, yo, xa, ya, xb, yb, xc, yc; i++; @@ -184,9 +187,9 @@ static void demo_all(void) for(j = 0; j < 16; j++) { - x1 = xo - (30 + sin(0.03*i) * 8) * sin(0.03*i + M_PI*j/8); - y1 = yo + (15 + sin(0.03*i) * 4) * cos(0.03*i + M_PI*j/8); - ee_draw_thin_line(xo, yo, x1, y1); + xa = xo - (30 + sin(0.03*i) * 8) * sin(0.03*i + M_PI*j/8); + ya = yo + (15 + sin(0.03*i) * 4) * cos(0.03*i + M_PI*j/8); + ee_draw_thin_line(xo, yo, xa, ya); } j = 15 + sin(0.03*i) * 8; @@ -199,49 +202,49 @@ static void demo_all(void) xo = ee_get_width() * 5 / 8; yo = 2; - x1 = ee_get_width() / 8 + sin(0.03*i) * 5; - y1 = ee_get_height() / 2 + cos(0.03*i) * 5; + xa = ee_get_width() / 8 + sin(0.03*i) * 5; + ya = ee_get_height() / 2 + cos(0.03*i) * 5; - x2 = ee_get_width() - 10 - cos(0.02*i) * 10; - y2 = ee_get_height() * 3 / 4 - 5 + sin(0.02*i) * 5; + xb = ee_get_width() - 10 - cos(0.02*i) * 10; + yb = ee_get_height() * 3 / 4 - 5 + sin(0.02*i) * 5; - x3 = ee_get_width() / 4 - sin(0.02*i) * 5; - y3 = ee_get_height() * 3 / 4 + cos(0.02*i) * 5; + xc = ee_get_width() / 4 - sin(0.02*i) * 5; + yc = ee_get_height() * 3 / 4 + cos(0.02*i) * 5; ee_set_color(EE_GREEN); - ee_fill_triangle(xo, yo, x2, y2, x1, y1, '%'); + ee_fill_triangle(xo, yo, xb, yb, xa, ya, '%'); ee_set_color(EE_YELLOW); - ee_draw_thin_triangle(xo, yo, x2, y2, x1, y1); + ee_draw_thin_triangle(xo, yo, xb, yb, xa, ya); ee_set_color(EE_RED); - ee_fill_triangle(x1, y1, x2, y2, x3, y3, '#'); + ee_fill_triangle(xa, ya, xb, yb, xc, yc, '#'); ee_set_color(EE_YELLOW); - ee_draw_thin_triangle(x1, y1, x2, y2, x3, y3); + ee_draw_thin_triangle(xa, ya, xb, yb, xc, yc); ee_set_color(EE_BLUE); - ee_fill_triangle(xo, yo, x2, y2, x3, y3, '%'); + ee_fill_triangle(xo, yo, xb, yb, xc, yc, '%'); ee_set_color(EE_YELLOW); - ee_draw_thin_triangle(xo, yo, x2, y2, x3, y3); + ee_draw_thin_triangle(xo, yo, xb, yb, xc, yc); /* Draw a background triangle */ - x1 = 2; - y1 = 2; + xa = 2; + ya = 2; - x2 = ee_get_width() - 3; - y2 = ee_get_height() / 2; + xb = ee_get_width() - 3; + yb = ee_get_height() / 2; - x3 = ee_get_width() / 3; - y3 = ee_get_height() - 3; + xc = ee_get_width() / 3; + yc = ee_get_height() - 3; ee_set_color(EE_CYAN); - ee_draw_thin_triangle(x1, y1, x2, y2, x3, y3); + ee_draw_thin_triangle(xa, ya, xb, yb, xc, yc); xo = ee_get_width() / 2 + cos(0.027*i) * ee_get_width() / 3; yo = ee_get_height() / 2 - sin(0.027*i) * ee_get_height() / 2; - ee_draw_thin_line(x1, y1, xo, yo); - ee_draw_thin_line(x2, y2, xo, yo); - ee_draw_thin_line(x3, y3, xo, yo); + ee_draw_thin_line(xa, ya, xo, yo); + ee_draw_thin_line(xb, yb, xo, yo); + ee_draw_thin_line(xc, yc, xo, yo); /* Draw a sprite on the pyramid */ ee_draw_sprite(xo, yo, sprite, 0); @@ -250,7 +253,7 @@ static void demo_all(void) for(j = i - 60; j < i; j++) { int delta = ee_rand(-5, 5); - ee_set_color(ee_rand(1, 10)); + ee_set_color(ee_rand(0, 15)); ee_putchar(ee_get_width() / 2 + cos(0.02*j) * (delta + ee_get_width() / 4), ee_get_height() / 2 @@ -275,34 +278,51 @@ static void demo_dots(void) for(i = 1000; i--;) { /* Putpixel */ - ee_set_color(ee_rand(1, 10)); + ee_set_color(ee_rand(0, 15)); ee_putchar(ee_rand(0, xmax), ee_rand(0, ymax), '#'); } ee_refresh(); } +static void demo_color(void) +{ + int i; + char buf[BUFSIZ]; + + ee_clear(); + for(i = 0; i < 16; i++) + { + sprintf(buf, "color %i (%s)\n", i, ee_color_names[i]); + ee_set_color(EE_WHITE); + ee_putstr(4, i + 3, buf); + ee_set_color(i); + ee_putstr(40, i + 3, "XXXXXXXXXX-XX--X----------"); + } + ee_refresh(); +} + static void demo_lines(void) { int w = ee_get_width(); int h = ee_get_height(); - int x1, y1, x2, y2; + int xa, ya, xb, yb; if(force_clipping) { - x1 = ee_rand(- w, 2 * w); y1 = ee_rand(- h, 2 * h); - x2 = ee_rand(- w, 2 * w); y2 = ee_rand(- h, 2 * h); + xa = ee_rand(- w, 2 * w); ya = ee_rand(- h, 2 * h); + xb = ee_rand(- w, 2 * w); yb = ee_rand(- h, 2 * h); } else { - x1 = ee_rand(0, w - 1); y1 = ee_rand(0, h - 1); - x2 = ee_rand(0, w - 1); y2 = ee_rand(0, h - 1); + xa = ee_rand(0, w - 1); ya = ee_rand(0, h - 1); + xb = ee_rand(0, w - 1); yb = ee_rand(0, h - 1); } - ee_set_color(ee_rand(1, 10)); + ee_set_color(ee_rand(0, 15)); if(thin) - ee_draw_thin_line(x1, y1, x2, y2); + ee_draw_thin_line(xa, ya, xb, yb); else - ee_draw_line(x1, y1, x2, y2, '#'); + ee_draw_line(xa, ya, xb, yb, '#'); ee_refresh(); } @@ -311,26 +331,26 @@ static void demo_boxes(void) { int w = ee_get_width(); int h = ee_get_height(); - int x1, y1, x2, y2; + int xa, ya, xb, yb; if(force_clipping) { - x1 = ee_rand(- w, 2 * w); y1 = ee_rand(- h, 2 * h); - x2 = ee_rand(- w, 2 * w); y2 = ee_rand(- h, 2 * h); + xa = ee_rand(- w, 2 * w); ya = ee_rand(- h, 2 * h); + xb = ee_rand(- w, 2 * w); yb = ee_rand(- h, 2 * h); } else { - x1 = ee_rand(0, w - 1); y1 = ee_rand(0, h - 1); - x2 = ee_rand(0, w - 1); y2 = ee_rand(0, h - 1); + xa = ee_rand(0, w - 1); ya = ee_rand(0, h - 1); + xb = ee_rand(0, w - 1); yb = ee_rand(0, h - 1); } - ee_set_color(ee_rand(1, 10)); - ee_fill_box(x1, y1, x2, y2, '#'); + ee_set_color(ee_rand(0, 15)); + ee_fill_box(xa, ya, xb, yb, '#'); if(outline) { - ee_set_color(ee_rand(1, 10)); - ee_draw_thin_box(x1, y1, x2, y2); + ee_set_color(ee_rand(0, 15)); + ee_draw_thin_box(xa, ya, xb, yb); } ee_refresh(); @@ -357,12 +377,12 @@ static void demo_ellipses(void) } while(x - a < 0 || x + a >= w || y - b < 0 || y + b >= h); } - ee_set_color(ee_rand(1, 10)); + ee_set_color(ee_rand(0, 15)); ee_fill_ellipse(x, y, a, b, '#'); if(outline) { - ee_set_color(ee_rand(1, 10)); + ee_set_color(ee_rand(0, 15)); ee_draw_thin_ellipse(x, y, a, b); } @@ -373,29 +393,29 @@ static void demo_triangles(void) { int w = ee_get_width(); int h = ee_get_height(); - int x1, y1, x2, y2, x3, y3; + int xa, ya, xb, yb, xc, yc; if(force_clipping) { - x1 = ee_rand(- w, 2 * w); y1 = ee_rand(- h, 2 * h); - x2 = ee_rand(- w, 2 * w); y2 = ee_rand(- h, 2 * h); - x3 = ee_rand(- w, 2 * w); y3 = ee_rand(- h, 2 * h); + xa = ee_rand(- w, 2 * w); ya = ee_rand(- h, 2 * h); + xb = ee_rand(- w, 2 * w); yb = ee_rand(- h, 2 * h); + xc = ee_rand(- w, 2 * w); yc = ee_rand(- h, 2 * h); } else { - x1 = ee_rand(0, w - 1); y1 = ee_rand(0, h - 1); - x2 = ee_rand(0, w - 1); y2 = ee_rand(0, h - 1); - x3 = ee_rand(0, w - 1); y3 = ee_rand(0, h - 1); + xa = ee_rand(0, w - 1); ya = ee_rand(0, h - 1); + xb = ee_rand(0, w - 1); yb = ee_rand(0, h - 1); + xc = ee_rand(0, w - 1); yc = ee_rand(0, h - 1); } - ee_set_color(ee_rand(1, 10)); - ee_fill_triangle(x1, y1, x2, y2, x3, y3, '#'); + ee_set_color(ee_rand(0, 15)); + ee_fill_triangle(xa, ya, xb, yb, xc, yc, '#'); if(outline) { - ee_set_color(ee_rand(1, 10)); - ee_draw_thin_triangle(x1, y1, x2, y2, x3, y3); + ee_set_color(ee_rand(0, 15)); + ee_draw_thin_triangle(xa, ya, xb, yb, xc, yc); } ee_refresh();