fireworks.c

   1 /*
   2  * fireworks.c
   3  * Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
   4  *
   5  * Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
   6  *
   7  * Copyright (C) 2002 Florian Schulze <crow@icculus.org>
   8  *
   9  * This file is part of Jump'n'Bump.
  10  *
  11  * Jump'n'Bump is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * Jump'n'Bump is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #include "globals.h"
  27
  28 extern unsigned int ban_map[17][22];
  29
  30 void fireworks(void)
  31 {
  32         char *handle;
  33         int c1, c2;
  34         int s1, s2, s3;
  35         char pal[768];
  36         struct {
  37                 int used, direction, colour;
  38                 int x, y;
  39                 int x_add, y_add;
  40                 int timer;
  41                 int anim, frame, frame_tick, image;
  42         } rabbits[20];
  43         struct {
  44                 int x, y;
  45                 int old_x, old_y;
  46                 int col;
  47                 int back[2];
  48         } stars[300];
  49
  50         register_background(NULL, NULL);
  51
  52         if ((handle = dat_open("level.pcx")) == 0) {
  53                 strcpy(main_info.error_str, "Error loading 'level.pcx', aborting...\n");
  54                 return;
  55         }
  56         read_pcx(handle, mask_pic, JNB_WIDTH*JNB_HEIGHT, pal);
  57
  58         memset(mask_pic, 0, JNB_WIDTH*JNB_HEIGHT);
  59         register_mask(mask_pic);
  60
  61         recalculate_gob(&rabbit_gobs, pal);
  62         recalculate_gob(&object_gobs, pal);
  63
  64         memset(ban_map, 0, sizeof(ban_map));
  65
  66         fillpalette(0, 0, 0);
  67
  68         draw_begin();
  69
  70         for (c2 = JNB_HEIGHT - 63; c2 < JNB_HEIGHT; c2++) {
  71                 clear_lines(0, c2, 1, get_color((c2 - 192) >> 2, pal));
  72                 clear_lines(1, c2, 1, get_color((c2 - 192) >> 2, pal));
  73         }
  74
  75         draw_end();
  76
  77         setpalette(0, 256, pal);
  78
  79         for (c1 = 0; c1 < 20; c1++)
  80                 rabbits[c1].used = 0;
  81
  82         rabbits[0].used = 1;
  83         rabbits[0].colour = rnd(4);
  84         rabbits[0].x = (int) (150 + rnd(100)) << 16;
  85         rabbits[0].y = 256 << 16;
  86         rabbits[0].x_add = ((int) rnd(65535) << 1) - 65536;
  87         if (rabbits[0].x_add > 0)
  88                 rabbits[0].direction = 0;
  89         else
  90                 rabbits[0].direction = 1;
  91         rabbits[0].y_add = -262144 + (rnd(16384) * 5);
  92         rabbits[0].timer = 30 + rnd(150);
  93         rabbits[0].anim = 2;
  94         rabbits[0].frame = 0;
  95         rabbits[0].frame_tick = 0;
  96         rabbits[0].image = player_anims[rabbits[0].anim].frame[rabbits[0].frame].image + rabbits[0].colour * 18 + rabbits[0].direction * 9;
  97
  98         draw_begin();
  99         for (c1 = 0; c1 < 300; c1++) {
 100                 s1 = rnd(JNB_WIDTH);
 101                 s2 = rnd(JNB_HEIGHT);
 102                 s3 = 30 - rnd(7);
 103                 stars[c1].x = stars[c1].old_x = (s1 << 16);
 104                 stars[c1].y = stars[c1].old_y = (s2 << 16);
 105                 stars[c1].col = s3;
 106                 stars[c1].back[0] = stars[c1].back[1] = get_pixel(0, s1, s2);
 107         }
 108         draw_end();
 109
 110         dj_set_nosound(0);
 111
 112         main_info.page_info[0].num_pobs = 0;
 113         main_info.page_info[1].num_pobs = 0;
 114         main_info.view_page = 0;
 115         main_info.draw_page = 1;
 116
 117         while (key_pressed(1) == 0) {
 118
 119                 dj_mix();
 120                 intr_sysupdate();
 121
 122                 for (c1 = 0; c1 < 300; c1++) {
 123                         stars[c1].old_x = stars[c1].x;
 124                         stars[c1].old_y = stars[c1].y;
 125                         stars[c1].y -= (int) (31 - stars[c1].col) * 16384;
 126                         if ((stars[c1].y >> 16) < 0)
 127                                 stars[c1].y += JNB_HEIGHT << 16;
 128                         if ((stars[c1].y >> 16) >= JNB_HEIGHT)
 129                                 stars[c1].y -= JNB_HEIGHT << 16;
 130                 }
 131
 132                 for (c1 = 0, c2 = 0; c1 < 20; c1++) {
 133                         if (rabbits[c1].used == 1)
 134                                 c2++;
 135                 }
 136                 if ((c2 == 0 && rnd(10000) < 200) || (c2 == 1 && rnd(10000) < 150) || (c2 == 2 && rnd(10000) < 100) || (c2 == 3 && rnd(10000) < 50)) {
 137                         for (c1 = 0; c1 < 20; c1++) {
 138                                 if (rabbits[c1].used == 0) {
 139                                         rabbits[c1].used = 1;
 140                                         rabbits[c1].colour = rnd(4);
 141                                         rabbits[c1].x = (int) (150 + rnd(100)) << 16;
 142                                         rabbits[c1].y = 256 << 16;
 143                                         rabbits[c1].x_add = ((int) rnd(65535) << 1) - 65536;
 144                                         if (rabbits[c1].x_add > 0)
 145                                                 rabbits[c1].direction = 0;
 146                                         else
 147                                                 rabbits[c1].direction = 1;
 148                                         rabbits[c1].y_add = -262144 + (rnd(16384) * 5);
 149                                         rabbits[c1].timer = 30 + rnd(150);
 150                                         rabbits[c1].anim = 2;
 151                                         rabbits[c1].frame = 0;
 152                                         rabbits[c1].frame_tick = 0;
 153                                         rabbits[c1].image = player_anims[rabbits[c1].anim].frame[rabbits[c1].frame].image + rabbits[c1].colour * 18 + rabbits[c1].direction * 9;
 154                                         break;
 155                                 }
 156                         }
 157                 }
 158
 159                 dj_mix();
 160
 161                 main_info.page_info[main_info.draw_page].num_pobs = 0;
 162
 163                 for (c1 = 0; c1 < 20; c1++) {
 164                         if (rabbits[c1].used == 1) {
 165                                 rabbits[c1].y_add += 2048;
 166                                 if (rabbits[c1].y_add > 36864 && rabbits[c1].anim != 3) {
 167                                         rabbits[c1].anim = 3;
 168                                         rabbits[c1].frame = 0;
 169                                         rabbits[c1].frame_tick = 0;
 170                                         rabbits[c1].image = player_anims[rabbits[c1].anim].frame[rabbits[c1].frame].image + rabbits[c1].colour * 18 + rabbits[c1].direction * 9;
 171                                 }
 172                                 rabbits[c1].x += rabbits[c1].x_add;
 173                                 rabbits[c1].y += rabbits[c1].y_add;
 174                                 if ((rabbits[c1].x >> 16) < 16 || (rabbits[c1].x >> 16) > JNB_WIDTH || (rabbits[c1].y >> 16) > JNB_HEIGHT) {
 175                                         rabbits[c1].used = 0;
 176                                         continue;
 177                                 }
 178                                 rabbits[c1].timer--;
 179                                 if (rabbits[c1].timer <= 0) {
 180                                         rabbits[c1].used = 0;
 181                                         for (c2 = 0; c2 < 6; c2++)
 182                                                 add_object(OBJ_FUR, (rabbits[c1].x >> 16) + 6 + rnd(5), (rabbits[c1].y >> 16) + 6 + rnd(5), rabbits[c1].x_add + (rnd(65535) - 32768) * 3, rabbits[c1].y_add + (rnd(65535) - 32768) * 3, 0, 44 + rabbits[c1].colour * 8);
 183                                         for (c2 = 0; c2 < 6; c2++)
 184                                                 add_object(OBJ_FLESH, (rabbits[c1].x >> 16) + 6 + rnd(5), (rabbits[c1].y >> 16) + 6 + rnd(5), rabbits[c1].x_add + (rnd(65535) - 32768) * 3, rabbits[c1].y_add + (rnd(65535) - 32768) * 3, 0, 76);
 185                                         for (c2 = 0; c2 < 6; c2++)
 186                                                 add_object(OBJ_FLESH, (rabbits[c1].x >> 16) + 6 + rnd(5), (rabbits[c1].y >> 16) + 6 + rnd(5), rabbits[c1].x_add + (rnd(65535) - 32768) * 3, rabbits[c1].y_add + (rnd(65535) - 32768) * 3, 0, 77);
 187                                         for (c2 = 0; c2 < 8; c2++)
 188                                                 add_object(OBJ_FLESH, (rabbits[c1].x >> 16) + 6 + rnd(5), (rabbits[c1].y >> 16) + 6 + rnd(5), rabbits[c1].x_add + (rnd(65535) - 32768) * 3, rabbits[c1].y_add + (rnd(65535) - 32768) * 3, 0, 78);
 189                                         for (c2 = 0; c2 < 10; c2++)
 190                                                 add_object(OBJ_FLESH, (rabbits[c1].x >> 16) + 6 + rnd(5), (rabbits[c1].y >> 16) + 6 + rnd(5), rabbits[c1].x_add + (rnd(65535) - 32768) * 3, rabbits[c1].y_add + (rnd(65535) - 32768) * 3, 0, 79);
 191                                         dj_play_sfx(SFX_DEATH, SFX_DEATH_FREQ, 64, 0, 0, -1);
 192                                         continue;
 193                                 }
 194                                 rabbits[c1].frame_tick++;
 195                                 if (rabbits[c1].frame_tick >= player_anims[rabbits[c1].anim].frame[rabbits[c1].frame].ticks) {
 196                                         rabbits[c1].frame++;
 197                                         if (rabbits[c1].frame >= player_anims[rabbits[c1].anim].num_frames)
 198                                                 rabbits[c1].frame = player_anims[rabbits[c1].anim].restart_frame;
 199                                         rabbits[c1].frame_tick = 0;
 200                                 }
 201                                 rabbits[c1].image = player_anims[rabbits[c1].anim].frame[rabbits[c1].frame].image + rabbits[c1].colour * 18 + rabbits[c1].direction * 9;
 202                                 if (rabbits[c1].used == 1)
 203                                         add_pob(main_info.draw_page, rabbits[c1].x >> 16, rabbits[c1].y >> 16, rabbits[c1].image, &rabbit_gobs);
 204                         }
 205                 }
 206
 207                 dj_mix();
 208
 209                 update_objects();
 210
 211                 draw_begin();
 212
 213                 for (c1 = 0; c1 < 300; c1++) {
 214                         stars[c1].back[main_info.draw_page] = get_pixel(main_info.draw_page, stars[c1].x >> 16, stars[c1].y >> 16);
 215                         set_pixel(main_info.draw_page, stars[c1].x >> 16, stars[c1].y >> 16, get_color(stars[c1].col, pal));
 216                 }
 217
 218                 dj_mix();
 219
 220                 draw_pobs(main_info.draw_page);
 221
 222                 draw_end();
 223
 224                 main_info.draw_page ^= 1;
 225                 main_info.view_page ^= 1;
 226
 227                 flippage(main_info.view_page);
 228
 229                 wait_vrt(1);
 230
 231                 draw_begin();
 232
 233                 redraw_pob_backgrounds(main_info.draw_page);
 234
 235                 dj_mix();
 236                 intr_sysupdate();
 237
 238                 for (c1 = 299; c1 >= 0; c1--) {
 239                         set_pixel(main_info.draw_page, stars[c1].old_x >> 16, stars[c1].old_y >> 16, stars[c1].back[main_info.draw_page]);
 240                 }
 241
 242                 draw_end();
 243
 244         }
 245
 246         dj_set_nosound(1);
 247
 248 }
 249