removed functions for correcting playfield buffer position for EM engine
[rocksndiamonds.git] / src / game_em / init.c
index f5c59b1412d883a42634cc47742f153dc4ad5d2c..b2a396dfcea8ad972ec86170e0736922962a554e 100644 (file)
-/* 2000-08-10T18:03:54Z
+/* 2000-01-06 06:43:39
  *
- * open X11 display and sound
+ * set everything up and close everything down
  */
 
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-#include <X11/Xos.h>
-#include <X11/Intrinsic.h>
-#include <X11/keysymdef.h>
+#include "main_em.h"
 
-#include <X11/keysym.h>
 
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <signal.h>
-#include <string.h>
-#include <errno.h>
-
-#include "game_em.h"
-
-#include "global.h"
-#include "display.h"
-#include "sample.h"
-
-
-#if defined(TARGET_X11)
-
-#if 1
-Bitmap *objBitmap;
-Bitmap *botBitmap;
-Bitmap *sprBitmap;
-Bitmap *ttlBitmap;
-#endif
-
-#if 1
 Bitmap *screenBitmap;
-Bitmap *scoreBitmap;
-#endif
-
-Pixmap screenPixmap;
-Pixmap scorePixmap;
-Pixmap spriteBitmap;
-
-Pixmap objPixmap;
-Pixmap objmaskBitmap;
-Pixmap botPixmap;
-Pixmap botmaskBitmap;
-Pixmap sprPixmap;
-Pixmap sprmaskBitmap;
-Pixmap ttlPixmap;
-Pixmap ttlmaskBitmap;
 
-GC screenGC;
-GC scoreGC;
-GC spriteGC;
+struct GlobalInfo_EM global_em_info;
+struct GameInfo_EM game_em;
 
-char play[SAMPLE_MAX];
-
-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 */
-
-static Screen *defaultScreen;
-static Visual *defaultVisual;
-static Colormap defaultColourmap;
-static Window defaultRootWindow;
-static unsigned int screenDepth;
-static unsigned int screenWidth;
-static unsigned int screenHeight;
-static unsigned long screenBlackPixel;
-static unsigned long screenWhitePixel;
-
-static XGCValues gcValues;
+void InitGfxBuffers_EM(void)
+{
+  ReCreateBitmap(&screenBitmap, MAX_BUF_XSIZE * TILEX, MAX_BUF_YSIZE * TILEY);
 
-#if 1
-static Bitmap *pcxBitmapsX2[4];
-#endif
+  global_em_info.screenbuffer = screenBitmap;
+}
 
-static const char *sound_names[SAMPLE_MAX] =
-{
-  "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",
-  "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] =
+void game_init_random(void)
 {
-  20,100,100,100,100,20,20,100,100,100,
-  50,100,100,100,100,100,100,100,100,100,
-  100,20,100,100,100,100,100,20,100,100,
-  100
-};
+  game_em.random = 1684108901; /* what a nice seed */
+}
 
-int open_all(void)
+void game_init_cave_buffers(void)
 {
-  char name[MAXNAME+2];
-  int i;
-
-  defaultScreen = DefaultScreenOfDisplay(display);
-  defaultVisual = DefaultVisualOfScreen(defaultScreen);
-  defaultColourmap = DefaultColormapOfScreen(defaultScreen);
-  defaultRootWindow = RootWindowOfScreen(defaultScreen);
-  screenDepth = DefaultDepthOfScreen(defaultScreen);
-  screenWidth = WidthOfScreen(defaultScreen);
-  screenHeight = HeightOfScreen(defaultScreen);
-  screenBlackPixel = BlackPixelOfScreen(defaultScreen);
-  screenWhitePixel = WhitePixelOfScreen(defaultScreen);
-
-#if 1
-  SetBitmaps_EM(pcxBitmapsX2);
-
-  objBitmap = pcxBitmapsX2[0];
-  botBitmap = pcxBitmapsX2[1];
-  sprBitmap = pcxBitmapsX2[2];
-  ttlBitmap = pcxBitmapsX2[3];
-
-  objPixmap = pcxBitmapsX2[0]->drawable;
-  botPixmap = pcxBitmapsX2[1]->drawable;
-  sprPixmap = pcxBitmapsX2[2]->drawable;
-  ttlPixmap = pcxBitmapsX2[3]->drawable;
-
-  objmaskBitmap = pcxBitmapsX2[0]->clip_mask;
-  botmaskBitmap = pcxBitmapsX2[1]->clip_mask;
-  sprmaskBitmap = pcxBitmapsX2[2]->clip_mask;
-  ttlmaskBitmap = pcxBitmapsX2[3]->clip_mask;
-
-  screenBitmap = CreateBitmap(MAX_BUF_XSIZE * TILEX, MAX_BUF_YSIZE * TILEY,
-                             DEFAULT_DEPTH);
-  scoreBitmap = CreateBitmap(20 * TILEX, SCOREY, DEFAULT_DEPTH);
-
-  screenPixmap = screenBitmap->drawable;
-  scorePixmap = scoreBitmap->drawable;
-#endif
-
-  spriteBitmap = XCreatePixmap(display, xwindow, TILEX, TILEY, 1);
-  if (spriteBitmap == 0)
-  {
-    fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
-           XDisplayName(arg_display), "failed to create pixmap",
-           strerror(errno));
-    return(1);
-  }
-
-  gcValues.graphics_exposures = False;
-  screenGC = XCreateGC(display, screenPixmap, GCGraphicsExposures, &gcValues);
-  if (screenGC == 0)
-  {
-    fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
-           XDisplayName(arg_display), "failed to create graphics context",
-           strerror(errno));
-    return(1);
-  }
-
-  gcValues.graphics_exposures = False;
-  scoreGC = XCreateGC(display, scorePixmap, GCGraphicsExposures, &gcValues);
-  if (scoreGC == 0)
-  {
-    fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
-           XDisplayName(arg_display), "failed to create graphics context",
-           strerror(errno));
-    return(1);
-  }
+  int x, y;
 
-  gcValues.function =
-    objmaskBitmap ? GXcopyInverted : sprmaskBitmap ? GXcopy : GXset;
-  gcValues.graphics_exposures = False;
-  spriteGC = XCreateGC(display, spriteBitmap, GCFunction | GCGraphicsExposures,
-                      &gcValues);
-  if (spriteGC == 0)
+  for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
   {
-    fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
-           XDisplayName(arg_display), "failed to create graphics context",
-           strerror(errno));
-    return(1);
-  }
-
-  /* ----------------------------------------------------------------- */
-
-#if defined(PLATFORM_LINUX) || defined(PLATFORM_BSD)
-
-  if (arg_silence == 0)
-  {
-    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]) snprintf_overflow("read 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++)
     {
-      fprintf(stderr, "%s: %s: %s\n", progname, "unable to create sound pipe",
-             strerror(errno));
-      return(1);
+      lev.cavebuf[x][y] = Zborder;
+      lev.nextbuf[x][y] = Zborder;
+      lev.drawbuf[x][y] = Zborder;
+      lev.boombuf[x][y] = Xblank;
     }
 
-    sound_pid = fork();
-    if (sound_pid == -1)
-    {
-      fprintf(stderr, "%s: %s: %s\n", progname, "unable to fork sound thread",
-             strerror(errno));
-      return(1);
-    }
-
-    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) */
-
-  return(0);
+  lev.cave = lev.cavecol;
+  lev.next = lev.nextcol;
+  lev.draw = lev.drawcol;
+  lev.boom = lev.boomcol;
 }
 
-void close_all(void)
+void em_open_all(void)
 {
-  int i;
-
-  if (sound_pid != -1)
-  {
-    kill(sound_pid, SIGTERM);
-    waitpid(sound_pid, 0, 0);
-  }
+  InitGraphicInfo_EM();
 
-  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]);
+  game_init_random();
+  game_init_cave_buffers();
+}
 
-  if (screenGC)
-    XFreeGC(display, screenGC);
-  if (scoreGC)
-    XFreeGC(display, scoreGC);
-  if (spriteGC)
-    XFreeGC(display, spriteGC);
+void em_close_all(void)
+{
+}
 
-  if (spriteBitmap)
-    XFreePixmap(display, spriteBitmap);
+void play_element_sound(int x, int y, int sample, int element)
+{
+  PlayLevelSound_EM(CAVE_POS_X(x), CAVE_POS_Y(y), element, sample);
 }
 
-/* ---------------------------------------------------------------------- */
+void play_sound(int x, int y, int sample)
+{
+  play_element_sound(x, y, sample, -1);
+}
 
-void sound_play(void)
+unsigned int InitEngineRandom_EM(int seed)
 {
-  if (sound_pipe[1] != -1)
+  if (seed == NEW_RANDOMIZE)
   {
-    if (write(sound_pipe[1], &play, sizeof(play)) == -1)
-    {
-      fprintf(stderr, "%s: %s: %s\n", progname, "write sound",
-             strerror(errno));
+    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;
   }
 
-  memset(play, 0, sizeof(play));
-}
+  game_em.random = seed;
 
-#endif
+  return (unsigned int)seed;
+}