-/* 2000-08-10T18:03:54Z
+/* 2000-01-06 06:43:39
*
- * open X11 display and sound
+ * set everything up and close everything down
*/
-#include <signal.h>
-#include <sys/wait.h>
+#include "main_em.h"
-#include "game_em.h"
-
-#include "global.h"
-#include "display.h"
-#include "sample.h"
-
-
-Bitmap *objBitmap;
-Bitmap *sprBitmap;
Bitmap *screenBitmap;
-#if 0
-Pixmap spriteBitmap;
-#endif
-
-Pixmap objPixmap;
-Pixmap sprPixmap;
-
-#if 0
-Pixmap objmaskBitmap;
-Pixmap sprmaskBitmap;
-
-GC spriteGC;
-#endif
-
-char play[SAMPLE_MAX];
-
-#if defined(AUDIO_UNIX_NATIVE)
-static int sound_pid = -1;
-int sound_pipe[2] = { -1, -1 }; /* for communication */
-short *sound_data[SAMPLE_MAX]; /* pointer to sound data */
-long sound_length[SAMPLE_MAX]; /* length of sound data */
+struct GlobalInfo_EM global_em_info;
+struct GameInfo_EM game_em;
-static const char *sound_names[SAMPLE_MAX] =
+void InitGfxBuffers_EM(void)
{
- "00.blank.au",
- "01.roll.au",
- "02.stone.au",
- "03.nut.au",
- "04.crack.au",
- "05.bug.au",
- "06.tank.au",
- "07.android.au",
- "08.spring.au",
- "09.slurp.au",
- "10.eater.au",
- "11.alien.au",
- "12.collect.au",
- "13.diamond.au",
- "14.squash.au",
- "14.squash.au",
- "15.drip.au",
- "16.push.au",
- "17.dirt.au",
- "18.acid.au",
- "19.ball.au",
- "20.grow.au",
- "21.wonder.au",
- "22.door.au",
- "23.exit.au",
- "24.dynamite.au",
- "25.tick.au",
- "26.press.au",
- "27.wheel.au",
- "28.boom.au",
- "29.time.au",
- "30.die.au"
-};
-static const int sound_volume[SAMPLE_MAX] =
-{
- 20,
- 100,
- 100,
- 100,
- 100,
- 20,
- 20,
- 100,
- 100,
- 100,
- 50,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 100,
- 20,
- 100,
- 100,
- 100,
- 100,
- 100,
- 20,
- 100,
- 100,
- 100
-};
-#endif
-
-char *progname;
-char *arg_basedir;
+ ReCreateBitmap(&screenBitmap, MAX_BUF_XSIZE * TILEX, MAX_BUF_YSIZE * TILEY);
-extern void tab_generate();
-extern void ulaw_generate();
+ global_em_info.screenbuffer = screenBitmap;
+}
-int open_all(void)
+void game_init_random(void)
{
- Bitmap *emc_bitmaps[2];
-#if 0
- XGCValues gcValues;
-#endif
-
-#if 1
- SetBitmaps_EM(emc_bitmaps);
-
- objBitmap = emc_bitmaps[0];
- sprBitmap = emc_bitmaps[1];
-
-#if 0
- objPixmap = emc_bitmaps[0]->drawable;
- sprPixmap = emc_bitmaps[1]->drawable;
-
- objmaskBitmap = emc_bitmaps[0]->clip_mask;
- sprmaskBitmap = emc_bitmaps[1]->clip_mask;
-#endif
-
- screenBitmap = CreateBitmap(MAX_BUF_XSIZE * TILEX, MAX_BUF_YSIZE * TILEY,
- DEFAULT_DEPTH);
-#endif
-
-#if 0
- spriteBitmap = XCreatePixmap(display, window->drawable, TILEX, TILEY, 1);
- if (spriteBitmap == 0)
- Error(ERR_EXIT, "failed to create sprite pixmap for EM engine");
-
- gcValues.function =
- objmaskBitmap ? GXcopyInverted : sprmaskBitmap ? GXcopy : GXset;
- gcValues.graphics_exposures = False;
- spriteGC = XCreateGC(display, spriteBitmap, GCFunction | GCGraphicsExposures,
- &gcValues);
- if (spriteGC == 0)
- Error(ERR_EXIT, "failed to create sprite GC for EM engine");
-#endif
-
- /* ----------------------------------------------------------------- */
-
-#if defined(AUDIO_UNIX_NATIVE)
+ game_em.random = 1684108901; /* what a nice seed */
+}
-#if defined(PLATFORM_LINUX) || defined(PLATFORM_BSD)
+void game_init_cave_buffers(void)
+{
+ int x, y;
- if (1)
+ for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
{
- char name[MAXNAME+2];
- int i;
-
- for (i = 0; i < SAMPLE_MAX; i++)
- {
- name[MAXNAME] = 0;
-
- if (arg_basedir)
- {
- snprintf(name, MAXNAME+2, "%s/%s/%s", arg_basedir, EM_SND_DIR,
- sound_names[i]);
- }
- else
- {
- snprintf(name, MAXNAME+2, "%s/%s", EM_SND_DIR, sound_names[i]);
- }
-
- if (name[MAXNAME])
- Error(ERR_EXIT, "buffer overflow when reading sounds directory");
-
- if (read_sample(name, &sound_data[i], &sound_length[i]))
- return(1);
-
- {
- short *ptr, *stop;
- int mult = sound_volume[i] * 65536 / (100 * MIXER_MAX);
- stop = sound_data[i] + sound_length[i];
- for (ptr = sound_data[i]; ptr < stop; ptr++)
- *ptr = (*ptr * mult) / 65536;
- }
- }
-
- if (pipe(sound_pipe) == -1)
+ for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
{
- Error(ERR_WARN, "unable to create sound pipe for EM engine -- no sound");
-
- return(1);
- }
-
- sound_pid = fork();
- if (sound_pid == -1)
- {
- Error(ERR_WARN, "unable to fork sound thread for EM engine -- no sound");
-
- return(1);
+ lev.cavebuf[x][y] = Zborder;
+ lev.nextbuf[x][y] = Zborder;
+ lev.drawbuf[x][y] = Zborder;
+ lev.boombuf[x][y] = Xblank;
}
- close(sound_pipe[sound_pid == 0]);
- sound_pipe[sound_pid == 0] = -1;
- if (sound_pid == 0)
- _exit(sound_thread());
-
- signal(SIGPIPE, SIG_IGN); /* dont crash if sound process dies */
+ lev.cavecol[x] = lev.cavebuf[x];
+ lev.nextcol[x] = lev.nextbuf[x];
+ lev.drawcol[x] = lev.drawbuf[x];
+ lev.boomcol[x] = lev.boombuf[x];
}
-#endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_BSD) */
-
-#endif /* AUDIO_UNIX_NATIVE */
-
- return(0);
+ lev.cave = lev.cavecol;
+ lev.next = lev.nextcol;
+ lev.draw = lev.drawcol;
+ lev.boom = lev.boomcol;
}
-void em_open_all()
+void em_open_all(void)
{
- /* pre-calculate some data */
- tab_generate();
- ulaw_generate();
+ InitGraphicInfo_EM();
- progname = "emerald mine";
-
- if (open_all() != 0)
- Error(ERR_EXIT, "em_open_all(): open_all() failed");
-
- game_init_vars();
+ game_init_random();
+ game_init_cave_buffers();
}
void em_close_all(void)
{
-#if defined(AUDIO_UNIX_NATIVE)
- int i;
-
- if (sound_pid != -1)
- {
- kill(sound_pid, SIGTERM);
- waitpid(sound_pid, 0, 0);
- }
-
- if (sound_pipe[0] != -1)
- close(sound_pipe[0]);
- if (sound_pipe[1] != -1)
- close(sound_pipe[1]);
-
- for (i = 0; i < SAMPLE_MAX; i++)
- if (sound_data[i])
- free(sound_data[i]);
-#endif
-
-#if 0
- if (spriteGC)
- XFreeGC(display, spriteGC);
-
- if (spriteBitmap)
- XFreePixmap(display, spriteBitmap);
-#endif
}
-/* ---------------------------------------------------------------------- */
-
-extern unsigned int screen_x;
-extern unsigned int screen_y;
-
-void play_sound(int x, int y, int sample)
+void play_element_sound(int x, int y, int sample, int element)
{
- unsigned int left = screen_x / TILEX;
- unsigned int top = screen_y / TILEY;
-
-#if 0
- if (x == -1 && y == -1) /* play sound in the middle of the screen */
- play[sample] = 0xffff;
- else if ((unsigned int)(y - top) <= SCR_FIELDY &&
- (unsigned int)(x - left) <= SCR_FIELDX)
- play[sample] = (y << 8) | (x & 0xff);
-#else
- if ((x == -1 && y == -1) || /* play sound in the middle of the screen */
- ((unsigned int)(y - top) <= SCR_FIELDY &&
- (unsigned int)(x - left) <= SCR_FIELDX))
- play[sample] = 1;
-#endif
+ PlayLevelSound_EM(CAVE_POS_X(x), CAVE_POS_Y(y), element, sample);
}
-void play_element_sound(int x, int y, int sample, int element)
+void play_sound(int x, int y, int sample)
{
- play_sound(x, y, sample);
+ play_element_sound(x, y, sample, -1);
}
-void sound_play(void)
+unsigned int InitEngineRandom_EM(int seed)
{
-#if 0
- int i;
-
- for (i = 0; i < SAMPLE_MAX; i++)
- if (play[i])
- PlayLevelSound_EM(0,0,0,0);
-
-#else
-
-#if defined(AUDIO_UNIX_NATIVE)
- if (sound_pipe[1] != -1)
+ if (seed == NEW_RANDOMIZE)
{
- if (write(sound_pipe[1], &play, sizeof(play)) == -1)
- {
- Error(ERR_WARN, "cannot write into pipe to child process -- no sounds");
+ int simple_rnd = GetSimpleRandom(1000);
+ int i;
- if (sound_pipe[0] != -1)
- {
- close(sound_pipe[0]);
- sound_pipe[0] = -1;
- }
+ for (i = 0; i < simple_rnd || game_em.random == NEW_RANDOMIZE; i++)
+ game_em.random = game_em.random * 129 + 1;
- if (sound_pipe[1] != -1)
- {
- close(sound_pipe[1]);
- sound_pipe[1] = -1;
- }
- }
+ seed = game_em.random;
}
-#endif
-#endif
- memset(play, 0, sizeof(play));
+ game_em.random = seed;
+
+ return (unsigned int)seed;
}
projects / rocksndiamonds.git / blobdiff