tennix.c

   1
   2 /**
   3  *
   4  * Tennix! SDL Port
   5  * Copyright (C) 2003, 2007 Thomas Perl <thp@perli.net>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  20  * MA  02110-1301, USA.
  21  *
  22  **/
  23
  24 #include <stdio.h>
  25 #include <time.h>
  26 #include <libgen.h>
  27
  28 #include "tennix.h"
  29 #include "game.h"
  30 #include "graphics.h"
  31 #include "sound.h"
  32
  33 SDL_Surface *screen;
  34
  35 static const char* help_text[] = {
  36     "keyboard controls:",
  37     "player 1 moves with <w>, <s> and <d>",
  38     "player 2 moves with <o>, <l> and <k>",
  39     "switch court in game with <c>",
  40 };
  41
  42 /* Number of lines in help_text */
  43 #define HELP_LINES 4
  44 /* Height (in pixels) of the help text scroller */
  45 #define HELP_PHASE 50
  46
  47 int main( int argc, char** argv) {
  48     int i = 0;
  49     int mx, my;
  50     Uint8 *keys;
  51     Uint8 mb;
  52     SDL_Event e;
  53     SDL_VideoInfo* vi;
  54     int sdl_flags = SDL_SWSURFACE | SDL_DOUBLEBUF;
  55     char datadir[MAXPATHLEN];
  56     int highlight_y = 0;
  57     char copyright_line[100];
  58     int copyright_line_width;
  59     int help, help_line_widths[HELP_LINES], help_line_height, help_offset;
  60
  61     Point elektrons[ELEKTRONS];
  62     int el;
  63
  64     fprintf( stderr, "Tennix %s\n%s\n%s\n\n", VERSION, COPYRIGHT, URL);
  65
  66     sprintf( copyright_line, "Tennix %s -- %s", VERSION, COPYRIGHT);
  67
  68     srand( (unsigned)time( NULL));
  69
  70     for( el=0; el<ELEKTRONS; el++) {
  71         elektrons[el].x = elektrons[el].y = 0;
  72         elektrons[el].w = 50+(rand()%120);
  73         elektrons[el].h = 10+(rand()%10);
  74         elektrons[el].current_x = WIDTH/2;
  75         elektrons[el].current_y = HEIGHT/2;
  76         elektrons[el].new_x = rand()%WIDTH;
  77         elektrons[el].new_y = rand()%HEIGHT;
  78         elektrons[el].phase = 4*2*PI*((rand()%1000)/1000.0);
  79         elektrons[el].r = 100+rand()%155;
  80         elektrons[el].g = 100+rand()%155;
  81         elektrons[el].b = 0;
  82         elektrons[el].size = 0;
  83         elektrons[el].new_size = 5+rand()%10;
  84     }
  85
  86     if( SDL_Init( SDL_INIT_VIDEO) == -1) {
  87         fprintf( stderr, "Can't init SDL:  %s\n", SDL_GetError());
  88         exit( 1);
  89     }
  90
  91     atexit( SDL_Quit);
  92
  93     vi = (SDL_VideoInfo*)SDL_GetVideoInfo();
  94
  95     if( (screen = SDL_SetVideoMode( WIDTH, HEIGHT, vi->vfmt->BitsPerPixel, sdl_flags)) == NULL) {
  96         fprintf( stderr, "Can't set video mode: %s\n", SDL_GetError());
  97         exit( 1);
  98     }
  99
 100     SDL_WM_SetCaption( "Tennix! SDL", "Tennix");
 101     SDL_ShowCursor( SDL_DISABLE);
 102     SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, 1);
 103
 104     init_sound( datadir);
 105     init_graphics( datadir);
 106
 107     copyright_line_width = font_get_string_width( GR_DKC2_FONT, copyright_line);
 108     for( help=0; help<HELP_LINES; help++) {
 109         help_line_widths[help] = font_get_string_width( GR_SMALLISH_FONT, help_text[help]);
 110     }
 111     help_line_height = get_image_height( GR_SMALLISH_FONT);
 112
 113     while( 1) {
 114         SDL_PollEvent( &e);
 115         if( e.type == SDL_QUIT) {
 116             break;
 117         }
 118         keys = SDL_GetKeyState( NULL);
 119         mb = SDL_GetMouseState( &mx, &my);
 120
 121         if( keys[SDLK_ESCAPE] || keys['q']) {
 122             break;
 123         }
 124
 125         if( keys['f']) {
 126             SDL_WM_ToggleFullScreen( screen);
 127         }
 128
 129         clearscr();
 130         if( highlight_y) {
 131             for( el=0; el<ELEKTRONS; el++) {
 132                 elektrons[el].new_x = WIDTH/2 - ELEKTRONS_WIDTH;
 133                 elektrons[el].new_y = highlight_y;
 134                 if( elektrons[el].new_size >= 5) {
 135                     elektrons[el].new_size = 1+rand()%4;
 136                 }
 137             }
 138         }
 139
 140         for( el=0; el<ELEKTRONS; el++) {
 141             elektrons[el].current_x += (1.0*(elektrons[el].new_x-elektrons[el].current_x)/ELEKTRON_LAZYNESS);
 142             elektrons[el].current_y += (1.0*(elektrons[el].new_y-elektrons[el].current_y)/ELEKTRON_LAZYNESS);
 143             if( i%4==0 && elektrons[el].size < elektrons[el].new_size) {
 144                 elektrons[el].size++;
 145             }
 146             if( i%4==0 && elektrons[el].size > elektrons[el].new_size) {
 147                 elektrons[el].size--;
 148             }
 149             elektrons[el].phase += 0.02+(rand()%20/100.0);
 150             elektrons[el].x = elektrons[el].current_x + ELEKTRONS_WIDTH + elektrons[el].w*cosf(elektrons[el].phase/4);
 151             elektrons[el].y = elektrons[el].current_y + elektrons[el].h*sinf(elektrons[el].phase);
 152         }
 153
 154         if( M_POS_START_GAME(mx,my)) {
 155             highlight_y = HIGHLIGHT_START_GAME;
 156         } else if( M_POS_START_MULTI(mx,my)) {
 157             highlight_y = HIGHLIGHT_START_MULTI;
 158         /*} else if( M_POS_CREDITS(mx,my)) {
 159             highlight_y = HIGHLIGHT_CREDITS;
 160         */} else if( M_POS_QUIT(mx,my)) {
 161             highlight_y = HIGHLIGHT_QUIT;
 162         } else if( highlight_y == 0) {
 163             if( i%20 == 0) {
 164                 for( el=0; el<ELEKTRONS; el++) {
 165                     elektrons[el].new_size = 5+rand()%10;
 166                 }
 167             }
 168         } else {
 169             for( el=0; el<ELEKTRONS; el++) {
 170                 elektrons[el].new_x = rand()%(WIDTH-ELEKTRONS_WIDTH-elektrons[el].w/2);
 171                 elektrons[el].new_y = rand()%HEIGHT;
 172                 elektrons[el].new_size = 5+rand()%10;
 173             }
 174             highlight_y = 0;
 175         }
 176
 177         for( el=0; el<ELEKTRONS; el++) {
 178             if( elektrons[el].size > 0) {
 179                 rectangle( elektrons[el].x, elektrons[el].y, elektrons[el].size, elektrons[el].size, elektrons[el].r, elektrons[el].g, elektrons[el].b);
 180                 if( elektrons[el].size > 4) {
 181                     if( highlight_y != 0 || rand()%10 == 0) {
 182                         draw_line_faded( elektrons[el].x+elektrons[el].size/2, elektrons[el].y+elektrons[el].size/2, mx+15, my+24, elektrons[el].r/3, elektrons[el].g/3, 0, 0 ,0 ,0);
 183                     }
 184                     rectangle( elektrons[el].x+2, elektrons[el].y+2, elektrons[el].size-4, elektrons[el].size-4, 0, 0, 0);
 185                 }
 186             }
 187         }
 188
 189         show_image( GR_MENU, WIDTH/2-get_image_width( GR_MENU)/2, 0, 255);
 190         font_draw_string( GR_DKC2_FONT, copyright_line, (WIDTH-copyright_line_width)/2, HEIGHT-35, i, ((i/150)%ANIMATION_COUNT));
 191         for( help=0; help<HELP_LINES; help++) {
 192             help_offset = (help_line_height*(HELP_LINES-help)+i/2)%HELP_PHASE;
 193             font_draw_string_alpha( GR_SMALLISH_FONT, help_text[help],
 194                                     (WIDTH-help_line_widths[help])/2,
 195                                     HEIGHT/2+30-help_offset,
 196                                     i, ANIMATION_NONE,
 197                                     255.0*fabsf( sinf( help_offset/((float)HELP_PHASE)*M_PI))
 198                                   );
 199         }
 200         show_sprite( GR_RACKET, ((mb&SDL_BUTTON( SDL_BUTTON_LEFT))>0)+(((mb&SDL_BUTTON( SDL_BUTTON_RIGHT))>0)*2), 4, mx, my, 255);
 201         updatescr();
 202
 203         if( mb & SDL_BUTTON( SDL_BUTTON_LEFT)) {
 204             if( M_POS_START_GAME(mx,my)) {
 205                 start_fade();
 206                 game( true);
 207                 SDL_Delay( 150);
 208                 start_fade();
 209                 while( SDL_PollEvent( &e));
 210                 fade_out( CH_AUDIENCE);
 211             }
 212             if( M_POS_START_MULTI(mx,my)) {
 213                 start_fade();
 214                 game( false);
 215                 SDL_Delay( 150);
 216                 start_fade();
 217                 while( SDL_PollEvent( &e));
 218                 fade_out( CH_AUDIENCE);
 219             }
 220             if( M_POS_CREDITS(mx,my)) {
 221                 //introimage( "data/credits.bmp");
 222             }
 223             if( M_POS_QUIT(mx,my)) {
 224                 break;
 225             }
 226         }
 227         i++;
 228         SDL_Delay( 10);
 229     }
 230
 231     start_fade();
 232     while( is_fading()) {
 233         clearscr();
 234         updatescr();
 235         SDL_Delay( 10);
 236     }
 237
 238     uninit_graphics();
 239
 240     SDL_Quit();
 241     return 0;
 242 }
 243