From 312609d9ab2932bc85535912eff6c16982ea5a02 Mon Sep 17 00:00:00 2001 From: helixhorned Date: Sat, 8 Sep 2012 22:18:22 +0000 Subject: [PATCH] demo.c: minor cleanup; comment the G_PlaybackDemo() a little. git-svn-id: https://svn.eduke32.com/eduke32@3001 1a8010ca-5511-0410-912e-c29ae57300e0 --- polymer/eduke32/source/demo.c | 81 ++++++++++++++++++++++------------- polymer/eduke32/source/demo.h | 1 - 2 files changed, 52 insertions(+), 30 deletions(-) diff --git a/polymer/eduke32/source/demo.c b/polymer/eduke32/source/demo.c index 210911fc9..537d38cdc 100644 --- a/polymer/eduke32/source/demo.c +++ b/polymer/eduke32/source/demo.c @@ -29,15 +29,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. char g_firstDemoFile[BMAX_PATH]; -FILE *g_demo_filePtr = (FILE *)NULL; +FILE *g_demo_filePtr = (FILE *)NULL; // write +int32_t g_demo_recFilePtr = -1; // read + int32_t g_demo_cnt; int32_t g_demo_goalCnt=0; int32_t g_demo_totalCnt; -int32_t g_demo_soundToggle; int32_t g_demo_paused=0; int32_t g_demo_rewind=0; int32_t g_demo_showStats=1; -int32_t g_demo_recFilePtr = -1; +static int32_t g_demo_soundToggle; static int32_t demo_hasdiffs, demorec_diffs=1, demorec_difftics = 2*(TICRATE/TICSPERFRAME); int32_t demoplay_diffs=1; @@ -69,6 +70,7 @@ void Demo_PrepareWarp(void) g_demo_soundToggle = ud.config.SoundToggle; ud.config.SoundToggle = 0; } + FX_StopAllSounds(); S_ClearSoundLocks(); } @@ -115,7 +117,7 @@ static int32_t G_OpenDemoRead(int32_t g_whichDemo) // 0 = mine i = g_demo_totalCnt/(TICRATE/TICSPERFRAME); OSD_Printf("demo %d duration: %d min %d sec\n", g_whichDemo, i/60, i%60); - g_demo_cnt=1; + g_demo_cnt = 1; ud.reccnt = 0; ud.god = ud.cashman = ud.eog = ud.showallmap = 0; @@ -350,7 +352,7 @@ static int32_t Demo_ReadSync(int32_t errcode) int32_t G_PlaybackDemo(void) { - int32_t bigi, j, k, initsyncofs = 0, lastsyncofs = 0, lastsynctic = 0, lastsyncclock = 0; + int32_t bigi, j, initsyncofs = 0, lastsyncofs = 0, lastsynctic = 0, lastsyncclock = 0; int32_t foundemo = 0, corruptcode, outofsync=0; static int32_t in_menu = 0; // static int32_t tmpdifftime=0; @@ -402,12 +404,6 @@ RECHECK: g_player[myconnectindex].ps->gm &= ~MODE_GAME; g_player[myconnectindex].ps->gm |= MODE_DEMO; - // if (G_EnterLevel(MODE_DEMO)) - // { - // OSD_Printf("G_PlaybackDemo: G_EnterLevel\n"); - // ud.recstat = foundemo = 0; - // } - // lastsyncofs = ktell(g_demo_recFilePtr); initsyncofs = lastsyncofs; lastsynctic = g_demo_cnt; @@ -433,13 +429,21 @@ RECHECK: // OSD_Printf("ticcnt=%d, total=%d\n", g_demo_cnt, g_demo_totalCnt); while (g_demo_cnt < g_demo_totalCnt || foundemo==0) { + // Main loop here. It also runs when there's no demo to show, + // so maybe a better name for this function would be + // G_MainLoopWhenNotInGame()? + if (foundemo && (!g_demo_paused || g_demo_goalCnt)) { - if (g_demo_goalCnt>0 && g_demo_goalCnt < g_demo_cnt) // rewind + if (g_demo_goalCnt>0 && g_demo_goalCnt < g_demo_cnt) { - k = g_player[myconnectindex].ps->gm&MODE_MENU; + // initialize rewind or fast-forward + + int32_t menu = g_player[myconnectindex].ps->gm&MODE_MENU; + if (g_demo_goalCnt > lastsynctic) { + // fast-forward if (Demo_UpdateState(0)==0) { g_demo_cnt = lastsynctic; @@ -452,8 +456,8 @@ RECHECK: } else { - j = Demo_UpdateState(1); - if (!j) + // update to initial state + if (Demo_UpdateState(1) == 0) { klseek(g_demo_recFilePtr, initsyncofs, SEEK_SET); g_levelTextTime = 0; @@ -469,7 +473,7 @@ RECHECK: else CORRUPT(0); } - Demo_RestoreModes(k); + Demo_RestoreModes(menu); } while (totalclock >= (lockclock+TICSPERFRAME) @@ -478,6 +482,9 @@ RECHECK: { if (ud.reccnt<=0) { + // Record count reached zero (or <0, corrupted), need + // reading another chunk. + char tmpbuf[4]; if (ud.reccnt<0) @@ -500,7 +507,8 @@ RECHECK: else if (demo_hasdiffs && Bmemcmp(tmpbuf, "dIfF", 4)==0) { - k=sv_readdiff(g_demo_recFilePtr); + int32_t k = sv_readdiff(g_demo_recFilePtr); + if (k) { OSD_Printf("sv_readdiff() returned %d.\n", k); @@ -543,11 +551,13 @@ nextdemo: ud.reccnt = 0; kclose(g_demo_recFilePtr); g_demo_recFilePtr = -1; g_player[myconnectindex].ps->gm |= MODE_MENU; + if (g_demo_goalCnt>0) { g_demo_goalCnt=0; ud.config.SoundToggle = g_demo_soundToggle; } + goto RECHECK; } } @@ -561,6 +571,7 @@ nextdemo: bigi++; ud.reccnt--; } + g_demo_cnt++; if (!g_demo_paused) @@ -574,7 +585,7 @@ nextdemo: } else { - k = ud.config.SoundToggle; + int32_t k = ud.config.SoundToggle; ud.config.SoundToggle = 0; G_DoMoveThings(); ud.config.SoundToggle = k; @@ -584,10 +595,11 @@ nextdemo: if (g_demo_goalCnt > 0) { + // if fast-forwarding, we must update totalclock totalclock += TICSPERFRAME; - // OSD_Printf("t:%d, l+T:%d; cnt:%d, goal:%d%s", totalclock, (lockclock+TICSPERFRAME), - // g_demo_cnt, g_demo_goalCnt, g_demo_cnt>=g_demo_goalCnt?" ":"\n"); +// OSD_Printf("t:%d, l+T:%d; cnt:%d, goal:%d%s", totalclock, (lockclock+TICSPERFRAME), +// g_demo_cnt, g_demo_goalCnt, g_demo_cnt>=g_demo_goalCnt?" ":"\n"); if (g_demo_cnt>=g_demo_goalCnt) { g_demo_goalCnt = 0; @@ -601,7 +613,7 @@ nextdemo: totalclock = lockclock; } - if (foundemo == 0) // XXX: not better "demo is playing"? + if (foundemo == 0) { G_DrawBackground(); } @@ -653,14 +665,16 @@ nextdemo: if (g_demo_showStats) { - // if (g_demo_cntgm == MODE_GAME) { + // user wants to play a game, quit showing demo! + if (foundemo) { #if KRANDDEBUG @@ -752,6 +768,7 @@ nextdemo: #endif kclose(g_demo_recFilePtr); g_demo_recFilePtr = -1; } + return 0; } } @@ -759,10 +776,16 @@ nextdemo: ud.multimode = numplayers; // fixes 2 infinite loops after watching demo kclose(g_demo_recFilePtr); g_demo_recFilePtr = -1; - if (g_player[myconnectindex].ps->gm&MODE_MENU) goto RECHECK; + // if we're in the menu, try next demo immediately + if (g_player[myconnectindex].ps->gm&MODE_MENU) + goto RECHECK; + #if KRANDDEBUG if (foundemo) krd_print("krandplay.log"); #endif + + // finished playing a demo and not in menu: + // return so that e.g. the title can be shown return 1; } diff --git a/polymer/eduke32/source/demo.h b/polymer/eduke32/source/demo.h index 0b73c362b..3b26bcce1 100644 --- a/polymer/eduke32/source/demo.h +++ b/polymer/eduke32/source/demo.h @@ -40,7 +40,6 @@ extern int32_t g_demo_paused; extern int32_t g_demo_recFilePtr; extern int32_t g_demo_rewind; extern int32_t g_demo_showStats; -extern int32_t g_demo_soundToggle; extern int32_t g_demo_totalCnt; int32_t G_PlaybackDemo(void);