Game Programming - All in One (3rd Edition)

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Microsoft Compound Document | 2004-04-07 | 49.5 KB
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This file was processed as: Microsoft Compound Document (archive/msCompound).
Confidence	Program	Detection	Match Type	Support
`40%`	dexvert	Microsoft Compound Document `(archive/msCompound)`	magic	Supported
`10%`	dexvert	Microsoft Works Document/Spreadsheet `(document/microsoftWorks)`	magic	Supported
`100%`	file	Composite Document File V2 Document, Cannot read section info	default (weak)
`99%`	file	OLE 2 Compound Document, v3.62, SecID 0x1, 0 Mini FAT sector : UNKNOWN with names Workspace State Browser Editor  3 W G G Z O	default
`98%`	file	data	default
`100%`	TrID	Generic OLE2 / Multistream Compound	default
`1%`	dearkID	deark: cfb	default (weak)
`100%`	siegfried	fmt/111 OLE2 Compound Document Format	default (weak)
`100%`	lsar	CFBF	default
`100%`	gt2	POIFS Dokument (Winword, Excel, Starwriter, ...)	default (weak)
`100%`	detectItEasy	Format: CFBF(3.62)	default (weak)
`100%`	detectItEasy	Format: Microsoft Office(97-2003)	default (weak)
`100%`	xdgMime	application/x-ole-storage	default (weak)
hex view
+--------+-------------------------+-------------------------+--------+--------+
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|00000a30| 70 72 69 74 65 20 30 0d | 0a 20 20 20 20 20 20 20 |prite 0.|.       |
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|00000a60| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
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|00000bc0| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|00000bd0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
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|00000bf0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|00000c00| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 74 68 69 73 20 |L;..}...|.//this |
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|00000ca0| 6c 6f 6f 70 0d 0a 20 20 | 20 20 77 68 69 6c 65 28 |loop..  |  while(|
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|00000cd0| 65 20 6d 75 74 65 78 20 | 74 6f 20 70 72 6f 74 65 |e mutex |to prote|
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|00000d20| 20 20 20 20 20 20 20 20 | 74 65 78 74 6f 75 74 28 |        |textout(|
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|00000d90| 61 73 65 73 70 72 69 74 | 65 28 62 75 66 66 65 72 |asesprit|e(buffer|
|00000da0| 2c 20 62 61 6c 6c 73 5b | 31 5d 29 3b 0d 0a 0d 0a |, balls[|1]);....|
|00000db0| 20 20 20 20 20 20 20 20 | 2f 2f 75 70 64 61 74 65 |        |//update|
|00000dc0| 20 73 70 72 69 74 65 20 | 31 0d 0a 20 20 20 20 20 | sprite |1..     |
|00000dd0| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00000de0| 62 61 6c 6c 73 5b 31 5d | 29 3b 0d 0a 0d 0a 20 20 |balls[1]|);....  |
|00000df0| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00000e00| 70 72 69 74 65 20 31 0d | 0a 20 20 20 20 20 20 20 |prite 1.|.       |
|00000e10| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
|00000e20| 6c 6c 73 5b 31 5d 29 3b | 0d 0a 0d 0a 20 20 20 20 |lls[1]);|....    |
|00000e30| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00000e40| 65 20 31 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 1..   |     dra|
|00000e50| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00000e60| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 31 | ballimg|[balls[1|
|00000e70| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|00000e80| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 61 6c 6c |        |    ball|
|00000e90| 73 5b 31 5d 2d 3e 78 2c | 20 62 61 6c 6c 73 5b 31 |s[1]->x,| balls[1|
|00000ea0| 5d 2d 3e 79 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |]->y);..|..      |
|00000eb0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
|00000ec0| 75 74 65 78 0d 0a 20 20 | 20 20 20 20 20 20 69 66 |utex..  |      if|
|00000ed0| 20 28 70 74 68 72 65 61 | 64 5f 6d 75 74 65 78 5f | (pthrea|d_mutex_|
|00000ee0| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
|00000ef0| 66 65 29 29 0d 0a 20 20 | 20 20 20 20 20 20 20 20 |fe))..  |        |
|00000f00| 20 20 74 65 78 74 6f 75 | 74 28 62 75 66 66 65 72 |  textou|t(buffer|
|00000f10| 2c 66 6f 6e 74 2c 22 45 | 52 52 4f 52 3a 20 74 68 |,font,"E|RROR: th|
|00000f20| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
|00000f30| 6b 20 65 72 72 6f 72 22 | 2c 30 2c 30 2c 57 48 49 |k error"|,0,0,WHI|
|00000f40| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
|00000f50| 2f 2f 73 6c 6f 77 20 64 | 6f 77 6e 20 28 74 68 69 |//slow d|own (thi|
|00000f60| 73 20 74 68 72 65 61 64 | 20 6f 6e 6c 79 21 29 0d |s thread| only!).|
|00000f70| 0a 20 20 20 20 09 72 65 | 73 74 28 35 30 29 3b 0d |.    .re|st(50);.|
|00000f80| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
|00000f90| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|00000fa0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|00000fb0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|00000fc0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|00000fd0| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 70 72 6f 67 72 |L;..}...|.//progr|
|00000fe0| 61 6d 27 73 20 70 72 69 | 6d 61 72 79 20 74 68 72 |am's pri|mary thr|
|00000ff0| 65 61 64 0d 0a 76 6f 69 | 64 20 6d 61 69 6e 28 76 |ead..voi|d main(v|
|00001000| 6f 69 64 29 0d 0a 7b 0d | 0a 20 20 20 20 69 6e 74 |oid)..{.|.    int|
|00001010| 20 69 64 3b 0d 0a 20 20 | 20 20 70 74 68 72 65 61 | id;..  |  pthrea|
|00001020| 64 5f 74 20 70 74 68 72 | 65 61 64 31 3b 0d 0a 20 |d_t pthr|ead1;.. |
|00001030| 20 20 20 70 74 68 72 65 | 61 64 5f 74 20 70 74 68 |   pthre|ad_t pth|
|00001040| 72 65 61 64 32 3b 0d 0a | 20 20 20 20 69 6e 74 20 |read2;..|    int |
|00001050| 74 68 72 65 61 64 69 64 | 31 20 3d 20 31 3b 0d 0a |threadid|1 = 1;..|
|00001060| 20 20 20 20 69 6e 74 20 | 74 68 72 65 61 64 69 64 |    int |threadid|
|00001070| 32 20 3d 20 32 3b 0d 0a | 0d 0a 20 20 20 20 2f 2f |2 = 2;..|..    //|
|00001080| 69 6e 69 74 69 61 6c 69 | 7a 65 0d 0a 20 20 20 20 |initiali|ze..    |
|00001090| 61 6c 6c 65 67 72 6f 5f | 69 6e 69 74 28 29 3b 0d |allegro_|init();.|
|000010a0| 0a 20 20 20 20 73 65 74 | 5f 63 6f 6c 6f 72 5f 64 |.    set|_color_d|
|000010b0| 65 70 74 68 28 31 36 29 | 3b 0d 0a 20 20 20 20 73 |epth(16)|;..    s|
|000010c0| 65 74 5f 67 66 78 5f 6d | 6f 64 65 28 4d 4f 44 45 |et_gfx_m|ode(MODE|
|000010d0| 2c 20 57 49 44 54 48 2c | 20 48 45 49 47 48 54 2c |, WIDTH,| HEIGHT,|
|000010e0| 20 30 2c 20 30 29 3b 0d | 0a 20 20 20 20 73 72 61 | 0, 0);.|.    sra|
|000010f0| 6e 64 28 74 69 6d 65 28 | 4e 55 4c 4c 29 29 3b 0d |nd(time(|NULL));.|
|00001100| 0a 20 20 20 20 74 65 78 | 74 5f 6d 6f 64 65 28 2d |.    tex|t_mode(-|
|00001110| 31 29 3b 0d 0a 20 20 20 | 20 69 6e 73 74 61 6c 6c |1);..   | install|
|00001120| 5f 6b 65 79 62 6f 61 72 | 64 28 29 3b 0d 0a 20 20 |_keyboar|d();..  |
|00001130| 20 20 69 6e 73 74 61 6c | 6c 5f 74 69 6d 65 72 28 |  instal|l_timer(|
|00001140| 29 3b 0d 0a 0d 0a 20 20 | 20 20 2f 2f 63 72 65 61 |);....  |  //crea|
|00001150| 74 65 20 64 6f 75 62 6c | 65 20 62 75 66 66 65 72 |te doubl|e buffer|
|00001160| 0d 0a 20 20 20 20 62 75 | 66 66 65 72 20 3d 20 63 |..    bu|ffer = c|
|00001170| 72 65 61 74 65 5f 62 69 | 74 6d 61 70 28 53 43 52 |reate_bi|tmap(SCR|
|00001180| 45 45 4e 5f 57 2c 53 43 | 52 45 45 4e 5f 48 29 3b |EEN_W,SC|REEN_H);|
|00001190| 0d 0a 0d 0a 20 20 20 20 | 2f 2f 64 69 73 70 6c 61 |....    |//displa|
|000011a0| 79 20 74 69 74 6c 65 0d | 0a 20 20 20 20 74 65 78 |y title.|.    tex|
|000011b0| 74 6f 75 74 28 62 75 66 | 66 65 72 2c 20 66 6f 6e |tout(buf|fer, fon|
|000011c0| 74 2c 20 22 4d 75 6c 74 | 69 54 68 72 65 61 64 20 |t, "Mult|iThread |
|000011d0| 50 72 6f 67 72 61 6d 20 | 28 45 53 43 20 74 6f 20 |Program |(ESC to |
|000011e0| 71 75 69 74 29 22 2c 20 | 0d 0a 20 20 20 20 20 20 |quit)", |..      |
|000011f0| 20 20 30 2c 20 30 2c 20 | 57 48 49 54 45 29 3b 0d |  0, 0, |WHITE);.|
|00001200| 0a 0d 0a 20 20 20 20 2f | 2f 6c 6f 61 64 20 62 61 |...    /|/load ba|
|00001210| 6c 6c 20 73 70 72 69 74 | 65 20 0d 0a 20 20 20 20 |ll sprit|e ..    |
|00001220| 6c 6f 61 64 73 70 72 69 | 74 65 73 28 29 3b 0d 0a |loadspri|tes();..|
|00001230| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|00001240| 68 65 20 74 68 72 65 61 | 64 20 66 6f 72 20 73 70 |he threa|d for sp|
|00001250| 72 69 74 65 20 30 0d 0a | 20 20 20 20 69 64 20 3d |rite 0..|    id =|
|00001260| 20 70 74 68 72 65 61 64 | 5f 63 72 65 61 74 65 28 | pthread|_create(|
|00001270| 26 70 74 68 72 65 61 64 | 31 2c 20 4e 55 4c 4c 2c |&pthread|1, NULL,|
|00001280| 20 74 68 72 65 61 64 31 | 2c 20 28 76 6f 69 64 2a | thread1|, (void*|
|00001290| 29 26 74 68 72 65 61 64 | 69 64 31 29 3b 0d 0a 0d |)&thread|id1);...|
|000012a0| 0a 20 20 20 20 2f 2f 63 | 72 65 61 74 65 20 74 68 |.    //c|reate th|
|000012b0| 65 20 74 68 72 65 61 64 | 20 66 6f 72 20 73 70 72 |e thread| for spr|
|000012c0| 69 74 65 20 31 0d 0a 20 | 20 20 20 69 64 20 3d 20 |ite 1.. |   id = |
|000012d0| 70 74 68 72 65 61 64 5f | 63 72 65 61 74 65 28 26 |pthread_|create(&|
|000012e0| 70 74 68 72 65 61 64 32 | 2c 20 4e 55 4c 4c 2c 20 |pthread2|, NULL, |
|000012f0| 74 68 72 65 61 64 32 2c | 20 28 76 6f 69 64 2a 29 |thread2,| (void*)|
|00001300| 26 74 68 72 65 61 64 69 | 64 32 29 3b 0d 0a 0d 0a |&threadi|d2);....|
|00001310| 20 20 20 20 2f 2f 6d 61 | 69 6e 20 6c 6f 6f 70 0d |    //ma|in loop.|
|00001320| 0a 20 20 20 20 77 68 69 | 6c 65 20 28 21 6b 65 79 |.    whi|le (!key|
|00001330| 5b 4b 45 59 5f 45 53 43 | 5d 29 0d 0a 20 20 20 20 |[KEY_ESC|])..    |
|00001340| 7b 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 6c 6f 63 |{..     |   //loc|
|00001350| 6b 20 74 68 65 20 6d 75 | 74 65 78 20 74 6f 20 70 |k the mu|tex to p|
|00001360| 72 6f 74 65 63 74 20 64 | 6f 75 62 6c 65 20 62 75 |rotect d|ouble bu|
|00001370| 66 66 65 72 0d 0a 20 20 | 20 20 20 20 20 20 70 74 |ffer..  |      pt|
|00001380| 68 72 65 61 64 5f 6d 75 | 74 65 78 5f 6c 6f 63 6b |hread_mu|tex_lock|
|00001390| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|000013a0| 0d 0a 20 20 20 20 20 20 | 20 20 2f 2f 75 70 64 61 |..      |  //upda|
|000013b0| 74 65 20 74 68 65 20 73 | 63 72 65 65 6e 0d 0a 20 |te the s|creen.. |
|000013c0| 20 20 20 20 20 20 20 61 | 63 71 75 69 72 65 5f 73 |       a|cquire_s|
|000013d0| 63 72 65 65 6e 28 29 3b | 0d 0a 20 20 20 20 20 20 |creen();|..      |
|000013e0| 20 20 62 6c 69 74 28 62 | 75 66 66 65 72 2c 73 63 |  blit(b|uffer,sc|
|000013f0| 72 65 65 6e 2c 30 2c 30 | 2c 30 2c 30 2c 53 43 52 |reen,0,0|,0,0,SCR|
|00001400| 45 45 4e 5f 57 2d 31 2c | 53 43 52 45 45 4e 5f 48 |EEN_W-1,|SCREEN_H|
|00001410| 2d 31 29 3b 0d 0a 20 20 | 20 20 20 20 20 20 72 65 |-1);..  |      re|
|00001420| 6c 65 61 73 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |lease_sc|reen();.|
|00001430| 0a 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 75 6e 6c |...     |   //unl|
|00001440| 6f 63 6b 20 74 68 65 20 | 6d 75 74 65 78 0d 0a 20 |ock the |mutex.. |
|00001450| 20 20 20 20 20 20 20 70 | 74 68 72 65 61 64 5f 6d |       p|thread_m|
|00001460| 75 74 65 78 5f 75 6e 6c | 6f 63 6b 28 26 74 68 72 |utex_unl|ock(&thr|
|00001470| 65 61 64 73 61 66 65 29 | 3b 0d 0a 0d 0a 20 20 20 |eadsafe)|;....   |
|00001480| 20 20 20 20 20 72 65 73 | 74 28 31 29 3b 0d 0a 20 |     res|t(1);.. |
|00001490| 20 20 20 7d 0d 0a 0d 0a | 20 20 20 20 2f 2f 74 65 |   }....|    //te|
|000014a0| 6c 6c 20 74 68 72 65 61 | 64 73 20 69 74 27 73 20 |ll threa|ds it's |
|000014b0| 74 69 6d 65 20 74 6f 20 | 71 75 69 74 0d 0a 20 20 |time to |quit..  |
|000014c0| 20 20 64 6f 6e 65 2b 2b | 3b 0d 0a 20 20 20 20 72 |  done++|;..    r|
|000014d0| 65 73 74 28 31 30 30 29 | 3b 0d 0a 0d 0a 20 20 20 |est(100)|;....   |
|000014e0| 20 2f 2f 6b 69 6c 6c 20 | 74 68 65 20 6d 75 74 65 | //kill |the mute|
|000014f0| 78 20 28 74 68 72 65 61 | 64 20 70 72 6f 74 65 63 |x (threa|d protec|
|00001500| 74 69 6f 6e 29 0d 0a 20 | 20 20 20 70 74 68 72 65 |tion).. |   pthre|
|00001510| 61 64 5f 6d 75 74 65 78 | 5f 64 65 73 74 72 6f 79 |ad_mutex|_destroy|
|00001520| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|00001530| 20 20 20 20 0d 0a 20 20 | 20 20 2f 2f 72 65 6d 6f |    ..  |  //remo|
|00001540| 76 65 20 6f 62 6a 65 63 | 74 73 20 66 72 6f 6d 20 |ve objec|ts from |
|00001550| 6d 65 6d 6f 72 79 0d 0a | 20 20 20 20 64 65 73 74 |memory..|    dest|
|00001560| 72 6f 79 5f 62 69 74 6d | 61 70 28 62 75 66 66 65 |roy_bitm|ap(buffe|
|00001570| 72 29 3b 0d 0a 0d 0a 20 | 20 20 20 2f 2f 64 65 6c |r);.... |   //del|
|00001580| 65 74 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |ete spri|tes..   |
|00001590| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 33 32 3b | for (n=|0; n<32;|
|000015a0| 20 6e 2b 2b 29 0d 0a 20 | 20 20 20 20 20 20 20 64 | n++).. |       d|
|000015b0| 65 73 74 72 6f 79 5f 62 | 69 74 6d 61 70 28 62 61 |estroy_b|itmap(ba|
|000015c0| 6c 6c 69 6d 67 5b 6e 5d | 29 3b 0d 0a 0d 0a 20 20 |llimg[n]|);....  |
|000015d0| 20 20 72 65 74 75 72 6e | 3b 0d 0a 7d 0d 0a 0d 0a |  return|;..}....|
|000015e0| 45 4e 44 5f 4f 46 5f 4d | 41 49 4e 28 29 3b 0d 0a |END_OF_M|AIN();..|
|000015f0| 0d 0a 0d 0a 0d 0a 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001600| 2b 20 31 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |+ 1;..  |      ba|
|00001610| 6c 6c 73 5b 6e 5d 2d 3e | 63 75 72 66 72 61 6d 65 |lls[n]->|curframe|
|00001620| 20 3d 20 72 61 6e 64 28 | 29 20 25 20 33 32 3b 0d | = rand(|) % 32;.|
|00001630| 0a 20 20 20 20 20 20 20 | 20 62 61 6c 6c 73 5b 6e |.       | balls[n|
|00001640| 5d 2d 3e 6d 61 78 66 72 | 61 6d 65 20 3d 20 33 31 |]->maxfr|ame = 31|
|00001650| 3b 0d 0a 20 20 20 20 20 | 20 20 20 62 61 6c 6c 73 |;..     |   balls|
|00001660| 5b 6e 5d 2d 3e 66 72 61 | 6d 65 63 6f 75 6e 74 20 |[n]->fra|mecount |
|00001670| 3d 20 30 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |= 0;..  |      ba|
|00001680| 6c 6c 73 5b 6e 5d 2d 3e | 66 72 61 6d 65 64 65 6c |lls[n]->|framedel|
|00001690| 61 79 20 3d 20 30 3b 0d | 0a 20 20 20 20 20 20 20 |ay = 0;.|.       |
|000016a0| 20 62 61 6c 6c 73 5b 6e | 5d 2d 3e 61 6e 69 6d 64 | balls[n|]->animd|
|000016b0| 69 72 20 3d 20 31 3b 0d | 0a 20 20 20 20 7d 0d 0a |ir = 1;.|.    }..|
|000016c0| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|000016d0| 68 65 20 6e 65 77 20 74 | 68 72 65 61 64 0d 0a 20 |he new t|hread.. |
|000016e0| 20 20 20 74 68 72 65 61 | 64 5f 69 64 20 3d 20 70 |   threa|d_id = p|
|000016f0| 74 68 72 65 61 64 5f 63 | 72 65 61 74 65 28 26 70 |thread_c|reate(&p|
|00001700| 5f 74 68 72 65 61 64 2c | 20 4e 55 4c 4c 2c 20 74 |_thread,| NULL, t|
|00001710| 68 72 65 61 64 31 2c 20 | 28 76 6f 69 64 2a 29 26 |hread1, |(void*)&|
|00001720| 61 29 3b 0d 0a 0d 0a 0d | 0a 20 20 20 20 2f 2f 67 |a);.....|.    //g|
|00001730| 61 6d 65 20 6c 6f 6f 70 | 0d 0a 20 20 20 20 77 68 |ame loop|..    wh|
|00001740| 69 6c 65 20 28 21 6b 65 | 79 5b 4b 45 59 5f 45 53 |ile (!ke|y[KEY_ES|
|00001750| 43 5d 29 0d 0a 20 20 20 | 20 7b 0d 0a 20 20 20 20 |C])..   | {..    |
|00001760| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 74 68 65 20 |    //er|ase the |
|00001770| 73 70 72 69 74 65 73 0d | 0a 20 20 20 20 20 20 20 |sprites.|.       |
|00001780| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 4e 55 4d | for (n=|0; n<NUM|
|00001790| 3b 20 6e 2b 2b 29 0d 0a | 20 20 20 20 20 20 20 20 |; n++)..|        |
|000017a0| 20 20 20 20 65 72 61 73 | 65 73 70 72 69 74 65 28 |    eras|esprite(|
|000017b0| 62 75 66 66 65 72 2c 20 | 62 61 6c 6c 73 5b 6e 5d |buffer, |balls[n]|
|000017c0| 29 3b 0d 0a 0d 0a 20 20 | 20 20 20 20 20 20 2f 2f |);....  |      //|
|000017d0| 75 70 64 61 74 65 20 61 | 6e 64 20 64 72 61 77 20 |update a|nd draw |
|000017e0| 74 68 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |the spri|tes..   |
|000017f0| 20 20 20 20 20 66 6f 72 | 20 28 6e 3d 30 3b 20 6e |     for| (n=0; n|
|00001800| 3c 4e 55 4d 3b 20 6e 2b | 2b 29 0d 0a 20 20 20 20 |<NUM; n+|+)..    |
|00001810| 20 20 20 20 7b 0d 0a 20 | 20 20 20 20 20 20 20 20 |    {.. |        |
|00001820| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00001830| 62 61 6c 6c 73 5b 6e 5d | 29 3b 0d 0a 20 20 20 20 |balls[n]|);..    |
|00001840| 20 20 20 20 20 20 20 20 | 62 6f 75 6e 63 65 73 70 |        |bouncesp|
|00001850| 72 69 74 65 28 62 61 6c | 6c 73 5b 6e 5d 29 3b 0d |rite(bal|ls[n]);.|
|00001860| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 64 72 61 |.       |     dra|
|00001870| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00001880| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 6e | ballimg|[balls[n|
|00001890| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|000018a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000018b0| 62 61 6c 6c 73 5b 6e 5d | 2d 3e 78 2c 20 62 61 6c |balls[n]|->x, bal|
|000018c0| 6c 73 5b 6e 5d 2d 3e 79 | 29 3b 0d 0a 20 20 20 20 |ls[n]->y|);..    |
|000018d0| 20 20 20 20 7d 0d 0a 0d | 0a 20 20 20 20 20 20 20 |    }...|.       |
|000018e0| 20 2f 2f 75 70 64 61 74 | 65 20 74 68 65 20 73 63 | //updat|e the sc|
|000018f0| 72 65 65 6e 0d 0a 20 20 | 20 20 20 20 20 20 61 63 |reen..  |      ac|
|00001900| 71 75 69 72 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |quire_sc|reen();.|
|00001910| 0a 20 20 20 20 20 20 20 | 20 62 6c 69 74 28 62 75 |.       | blit(bu|
|00001920| 66 66 65 72 2c 73 63 72 | 65 65 6e 2c 30 2c 30 2c |ffer,scr|een,0,0,|
|00001930| 30 2c 30 2c 53 43 52 45 | 45 4e 5f 57 2d 31 2c 53 |0,0,SCRE|EN_W-1,S|
|00001940| 43 52 45 45 4e 5f 48 2d | 31 29 3b 0d 0a 20 20 20 |CREEN_H-|1);..   |
|00001950| 20 20 20 20 20 72 65 6c | 65 61 73 65 5f 73 63 72 |     rel|ease_scr|
|00001960| 65 65 6e 28 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |een();..|..      |
|00001970| 20 20 2f 2f 73 6c 6f 77 | 20 74 68 65 20 67 61 6d |  //slow| the gam|
|00001980| 65 20 64 6f 77 6e 0d 0a | 20 20 20 20 20 20 20 20 |e down..|        |
|00001990| 72 65 73 74 28 38 29 3b | 0d 0a 20 20 20 20 7d 0d |rest(8);|..    }.|
|000019a0| 0a 0d 0a 20 20 20 20 2f | 2f 74 65 6c 6c 20 74 68 |...    /|/tell th|
|000019b0| 72 65 61 64 20 69 74 27 | 73 20 74 69 6d 65 20 74 |read it'|s time t|
|000019c0| 6f 20 71 75 69 74 0d 0a | 20 20 20 20 64 6f 6e 65 |o quit..|    done|
|000019d0| 2b 2b 3b 0d 0a 20 20 20 | 20 72 65 73 74 28 31 30 |++;..   | rest(10|
|000019e0| 30 30 29 3b 0d 0a 0d 0a | 20 20 20 20 2f 2f 6b 69 |00);....|    //ki|
|000019f0| 6c 6c 20 74 68 65 20 6d | 75 74 65 78 20 28 74 68 |ll the m|utex (th|
|00001a00| 03 00 01 00 00 00 00 00 | 00 00 00 01 00 00 00 68 |........|.......h|
|00001a10| 72 65 61 64 49 44 3a 5c | 42 6f 6f 6b 20 50 72 6f |readID:\|Book Pro|
|00001a20| 6a 65 63 74 73 5c 41 6c | 6c 20 49 6e 20 4f 6e 65 |jects\Al|l In One|
|00001a30| 5c 73 6f 75 72 63 65 73 | 5c 63 68 61 70 74 65 72 |\sources|\chapter|
|00001a40| 31 31 5c 4d 75 6c 74 69 | 54 68 72 65 61 64 5c 4d |11\Multi|Thread\M|
|00001a50| 75 6c 74 69 54 68 72 65 | 61 64 2e 64 73 70 01 00 |ultiThre|ad.dsp..|
|00001a60| 00 00 20 44 65 62 75 67 | 2d 2d 2d 2d 2d 2d 2d 2d |.. Debug|--------|
|00001a70| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 0a 3c 2f 68 |--------|----.</h|
|00001a80| 33 3e 0a 3c 68 33 3e 43 | 6f 6d 6d 61 6e 64 20 4c |3>.<h3>C|ommand L|
|00001a90| 69 6e 65 73 3c 2f 68 33 | 3e 0a 43 72 65 61 74 69 |ines</h3|>.Creati|
|00001aa0| 6e 67 20 74 65 6d 70 6f | 72 61 72 79 20 66 69 6c |ng tempo|rary fil|
|00001ab0| 65 20 22 43 3a 5c 44 4f | 43 55 4d 45 7e 31 5c 4a |e "C:\DO|CUME~1\J|
|00001ac0| 6f 6e 61 74 68 61 6e 5c | 4c 4f 43 41 4c 53 7e 31 |onathan\|LOCALS~1|
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|00001e20| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00001e30| 70 72 69 74 65 20 30 0d | 0a 20 20 20 20 20 20 20 |prite 0.|.       |
|00001e40| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
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|00001e60| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00001e70| 65 20 30 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 0..   |     dra|
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|00001e90| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 30 | ballimg|[balls[0|
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|00001ee0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
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|00001f00| 20 28 70 74 68 72 65 61 | 64 5f 6d 75 74 65 78 5f | (pthrea|d_mutex_|
|00001f10| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
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|00001f50| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
|00001f60| 6b 20 65 72 72 6f 72 22 | 2c 30 2c 30 2c 57 48 49 |k error"|,0,0,WHI|
|00001f70| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
|00001f80| 2f 2f 73 6c 6f 77 20 64 | 6f 77 6e 20 28 74 68 69 |//slow d|own (thi|
|00001f90| 73 20 74 68 72 65 61 64 | 20 6f 6e 6c 79 21 29 0d |s thread| only!).|
|00001fa0| 0a 20 20 20 20 09 72 65 | 73 74 28 32 35 29 3b 0d |.    .re|st(25);.|
|00001fb0| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
|00001fc0| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|00001fd0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|00001fe0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|00001ff0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|00002000| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 74 68 69 73 20 |L;..}...|.//this |
|00002010| 74 68 72 65 61 64 20 75 | 70 64 61 74 65 73 20 74 |thread u|pdates t|
|00002020| 68 65 20 73 63 72 65 65 | 6e 0d 0a 76 6f 69 64 2a |he scree|n..void*|
|00002030| 20 74 68 72 65 61 64 32 | 28 76 6f 69 64 2a 20 64 | thread2|(void* d|
|00002040| 61 74 61 29 0d 0a 7b 0d | 0a 20 20 20 20 2f 2f 67 |ata)..{.|.    //g|
|00002050| 65 74 20 74 68 69 73 20 | 74 68 72 65 61 64 20 69 |et this |thread i|
|00002060| 64 0d 0a 20 20 20 20 69 | 6e 74 20 6d 79 5f 74 68 |d..    i|nt my_th|
|00002070| 72 65 61 64 5f 69 64 20 | 3d 20 2a 28 28 69 6e 74 |read_id |= *((int|
|00002080| 2a 29 64 61 74 61 29 3b | 0d 0a 0d 0a 20 20 20 20 |*)data);|....    |
|00002090| 2f 2f 74 68 72 65 61 64 | 27 73 20 6d 61 69 6e 20 |//thread|'s main |
|000020a0| 6c 6f 6f 70 0d 0a 20 20 | 20 20 77 68 69 6c 65 28 |loop..  |  while(|
|000020b0| 21 64 6f 6e 65 29 0d 0a | 20 20 20 20 7b 0d 0a 20 |!done)..|    {.. |
|000020c0| 20 20 20 20 20 20 20 2f | 2f 6c 6f 63 6b 20 74 68 |       /|/lock th|
|000020d0| 65 20 6d 75 74 65 78 20 | 74 6f 20 70 72 6f 74 65 |e mutex |to prote|
|000020e0| 63 74 20 76 61 72 69 61 | 62 6c 65 73 0d 0a 20 20 |ct varia|bles..  |
|000020f0| 20 20 20 20 20 20 69 66 | 20 28 70 74 68 72 65 61 |      if| (pthrea|
|00002100| 64 5f 6d 75 74 65 78 5f | 6c 6f 63 6b 28 26 74 68 |d_mutex_|lock(&th|
|00002110| 72 65 61 64 73 61 66 65 | 29 29 0d 0a 20 20 20 20 |readsafe|))..    |
|00002120| 20 20 20 20 20 20 20 20 | 74 65 78 74 6f 75 74 28 |        |textout(|
|00002130| 62 75 66 66 65 72 2c 66 | 6f 6e 74 2c 22 45 52 52 |buffer,f|ont,"ERR|
|00002140| 4f 52 3a 20 74 68 72 65 | 61 64 20 6d 75 74 65 78 |OR: thre|ad mutex|
|00002150| 20 77 61 73 20 6c 6f 63 | 6b 65 64 22 2c 30 2c 30 | was loc|ked",0,0|
|00002160| 2c 57 48 49 54 45 29 3b | 0d 0a 0d 0a 20 20 20 20 |,WHITE);|....    |
|00002170| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 73 70 72 69 |    //er|ase spri|
|00002180| 74 65 20 31 0d 0a 20 20 | 20 20 20 20 20 20 65 72 |te 1..  |      er|
|00002190| 61 73 65 73 70 72 69 74 | 65 28 62 75 66 66 65 72 |asesprit|e(buffer|
|000021a0| 2c 20 62 61 6c 6c 73 5b | 31 5d 29 3b 0d 0a 0d 0a |, balls[|1]);....|
|000021b0| 20 20 20 20 20 20 20 20 | 2f 2f 75 70 64 61 74 65 |        |//update|
|000021c0| 20 73 70 72 69 74 65 20 | 31 0d 0a 20 20 20 20 20 | sprite |1..     |
|000021d0| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|000021e0| 62 61 6c 6c 73 5b 31 5d | 29 3b 0d 0a 0d 0a 20 20 |balls[1]|);....  |
|000021f0| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00002200| 70 72 69 74 65 20 31 0d | 0a 20 20 20 20 20 20 20 |prite 1.|.       |
|00002210| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
|00002220| 6c 6c 73 5b 31 5d 29 3b | 0d 0a 0d 0a 20 20 20 20 |lls[1]);|....    |
|00002230| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00002240| 65 20 31 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 1..   |     dra|
|00002250| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00002260| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 31 | ballimg|[balls[1|
|00002270| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|00002280| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 61 6c 6c |        |    ball|
|00002290| 73 5b 31 5d 2d 3e 78 2c | 20 62 61 6c 6c 73 5b 31 |s[1]->x,| balls[1|
|000022a0| 5d 2d 3e 79 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |]->y);..|..      |
|000022b0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
|000022c0| 75 74 65 78 0d 0a 20 20 | 20 20 20 20 20 20 69 66 |utex..  |      if|
|000022d0| 20 28 70 74 68 72 65 61 | 64 5f 6d 75 74 65 78 5f | (pthrea|d_mutex_|
|000022e0| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
|000022f0| 66 65 29 29 0d 0a 20 20 | 20 20 20 20 20 20 20 20 |fe))..  |        |
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|00002310| 2c 66 6f 6e 74 2c 22 45 | 52 52 4f 52 3a 20 74 68 |,font,"E|RROR: th|
|00002320| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
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|00002340| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
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|00002360| 73 20 74 68 72 65 61 64 | 20 6f 6e 6c 79 21 29 0d |s thread| only!).|
|00002370| 0a 20 20 20 20 09 72 65 | 73 74 28 35 30 29 3b 0d |.    .re|st(50);.|
|00002380| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
|00002390| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|000023a0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|000023b0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|000023c0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|000023d0| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 70 72 6f 67 72 |L;..}...|.//progr|
|000023e0| 61 6d 27 73 20 70 72 69 | 6d 61 72 79 20 74 68 72 |am's pri|mary thr|
|000023f0| 65 61 64 0d 0a 76 6f 69 | 64 20 6d 61 69 6e 28 76 |ead..voi|d main(v|
|00002400| 6f 69 64 29 0d 0a 7b 0d | 0a 20 20 20 20 69 6e 74 |oid)..{.|.    int|
|00002410| 20 69 64 3b 0d 0a 20 20 | 20 20 70 74 68 72 65 61 | id;..  |  pthrea|
|00002420| 64 5f 74 20 70 74 68 72 | 65 61 64 31 3b 0d 0a 20 |d_t pthr|ead1;.. |
|00002430| 20 20 20 70 74 68 72 65 | 61 64 5f 74 20 70 74 68 |   pthre|ad_t pth|
|00002440| 72 65 61 64 32 3b 0d 0a | 20 20 20 20 69 6e 74 20 |read2;..|    int |
|00002450| 74 68 72 65 61 64 69 64 | 31 20 3d 20 31 3b 0d 0a |threadid|1 = 1;..|
|00002460| 20 20 20 20 69 6e 74 20 | 74 68 72 65 61 64 69 64 |    int |threadid|
|00002470| 32 20 3d 20 32 3b 0d 0a | 0d 0a 20 20 20 20 2f 2f |2 = 2;..|..    //|
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|00002490| 61 6c 6c 65 67 72 6f 5f | 69 6e 69 74 28 29 3b 0d |allegro_|init();.|
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|000024b0| 65 70 74 68 28 31 36 29 | 3b 0d 0a 20 20 20 20 73 |epth(16)|;..    s|
|000024c0| 65 74 5f 67 66 78 5f 6d | 6f 64 65 28 4d 4f 44 45 |et_gfx_m|ode(MODE|
|000024d0| 2c 20 57 49 44 54 48 2c | 20 48 45 49 47 48 54 2c |, WIDTH,| HEIGHT,|
|000024e0| 20 30 2c 20 30 29 3b 0d | 0a 20 20 20 20 73 72 61 | 0, 0);.|.    sra|
|000024f0| 6e 64 28 74 69 6d 65 28 | 4e 55 4c 4c 29 29 3b 0d |nd(time(|NULL));.|
|00002500| 0a 20 20 20 20 74 65 78 | 74 5f 6d 6f 64 65 28 2d |.    tex|t_mode(-|
|00002510| 31 29 3b 0d 0a 20 20 20 | 20 69 6e 73 74 61 6c 6c |1);..   | install|
|00002520| 5f 6b 65 79 62 6f 61 72 | 64 28 29 3b 0d 0a 20 20 |_keyboar|d();..  |
|00002530| 20 20 69 6e 73 74 61 6c | 6c 5f 74 69 6d 65 72 28 |  instal|l_timer(|
|00002540| 29 3b 0d 0a 0d 0a 20 20 | 20 20 2f 2f 63 72 65 61 |);....  |  //crea|
|00002550| 74 65 20 64 6f 75 62 6c | 65 20 62 75 66 66 65 72 |te doubl|e buffer|
|00002560| 0d 0a 20 20 20 20 62 75 | 66 66 65 72 20 3d 20 63 |..    bu|ffer = c|
|00002570| 72 65 61 74 65 5f 62 69 | 74 6d 61 70 28 53 43 52 |reate_bi|tmap(SCR|
|00002580| 45 45 4e 5f 57 2c 53 43 | 52 45 45 4e 5f 48 29 3b |EEN_W,SC|REEN_H);|
|00002590| 0d 0a 0d 0a 20 20 20 20 | 2f 2f 64 69 73 70 6c 61 |....    |//displa|
|000025a0| 79 20 74 69 74 6c 65 0d | 0a 20 20 20 20 74 65 78 |y title.|.    tex|
|000025b0| 74 6f 75 74 28 62 75 66 | 66 65 72 2c 20 66 6f 6e |tout(buf|fer, fon|
|000025c0| 74 2c 20 22 4d 75 6c 74 | 69 54 68 72 65 61 64 20 |t, "Mult|iThread |
|000025d0| 50 72 6f 67 72 61 6d 20 | 28 45 53 43 20 74 6f 20 |Program |(ESC to |
|000025e0| 71 75 69 74 29 22 2c 20 | 0d 0a 20 20 20 20 20 20 |quit)", |..      |
|000025f0| 20 20 30 2c 20 30 2c 20 | 57 48 49 54 45 29 3b 0d |  0, 0, |WHITE);.|
|00002600| 0a 0d 0a 20 20 20 20 2f | 2f 6c 6f 61 64 20 62 61 |...    /|/load ba|
|00002610| 6c 6c 20 73 70 72 69 74 | 65 20 0d 0a 20 20 20 20 |ll sprit|e ..    |
|00002620| 6c 6f 61 64 73 70 72 69 | 74 65 73 28 29 3b 0d 0a |loadspri|tes();..|
|00002630| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|00002640| 68 65 20 74 68 72 65 61 | 64 20 66 6f 72 20 73 70 |he threa|d for sp|
|00002650| 72 69 74 65 20 30 0d 0a | 20 20 20 20 69 64 20 3d |rite 0..|    id =|
|00002660| 20 70 74 68 72 65 61 64 | 5f 63 72 65 61 74 65 28 | pthread|_create(|
|00002670| 26 70 74 68 72 65 61 64 | 31 2c 20 4e 55 4c 4c 2c |&pthread|1, NULL,|
|00002680| 20 74 68 72 65 61 64 31 | 2c 20 28 76 6f 69 64 2a | thread1|, (void*|
|00002690| 29 26 74 68 72 65 61 64 | 69 64 31 29 3b 0d 0a 0d |)&thread|id1);...|
|000026a0| 0a 20 20 20 20 2f 2f 63 | 72 65 61 74 65 20 74 68 |.    //c|reate th|
|000026b0| 65 20 74 68 72 65 61 64 | 20 66 6f 72 20 73 70 72 |e thread| for spr|
|000026c0| 69 74 65 20 31 0d 0a 20 | 20 20 20 69 64 20 3d 20 |ite 1.. |   id = |
|000026d0| 70 74 68 72 65 61 64 5f | 63 72 65 61 74 65 28 26 |pthread_|create(&|
|000026e0| 70 74 68 72 65 61 64 32 | 2c 20 4e 55 4c 4c 2c 20 |pthread2|, NULL, |
|000026f0| 74 68 72 65 61 64 32 2c | 20 28 76 6f 69 64 2a 29 |thread2,| (void*)|
|00002700| 26 74 68 72 65 61 64 69 | 64 32 29 3b 0d 0a 0d 0a |&threadi|d2);....|
|00002710| 20 20 20 20 2f 2f 6d 61 | 69 6e 20 6c 6f 6f 70 0d |    //ma|in loop.|
|00002720| 0a 20 20 20 20 77 68 69 | 6c 65 20 28 21 6b 65 79 |.    whi|le (!key|
|00002730| 5b 4b 45 59 5f 45 53 43 | 5d 29 0d 0a 20 20 20 20 |[KEY_ESC|])..    |
|00002740| 7b 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 6c 6f 63 |{..     |   //loc|
|00002750| 6b 20 74 68 65 20 6d 75 | 74 65 78 20 74 6f 20 70 |k the mu|tex to p|
|00002760| 72 6f 74 65 63 74 20 64 | 6f 75 62 6c 65 20 62 75 |rotect d|ouble bu|
|00002770| 66 66 65 72 0d 0a 20 20 | 20 20 20 20 20 20 70 74 |ffer..  |      pt|
|00002780| 68 72 65 61 64 5f 6d 75 | 74 65 78 5f 6c 6f 63 6b |hread_mu|tex_lock|
|00002790| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|000027a0| 0d 0a 20 20 20 20 20 20 | 20 20 2f 2f 75 70 64 61 |..      |  //upda|
|000027b0| 74 65 20 74 68 65 20 73 | 63 72 65 65 6e 0d 0a 20 |te the s|creen.. |
|000027c0| 20 20 20 20 20 20 20 61 | 63 71 75 69 72 65 5f 73 |       a|cquire_s|
|000027d0| 63 72 65 65 6e 28 29 3b | 0d 0a 20 20 20 20 20 20 |creen();|..      |
|000027e0| 20 20 62 6c 69 74 28 62 | 75 66 66 65 72 2c 73 63 |  blit(b|uffer,sc|
|000027f0| 72 65 65 6e 2c 30 2c 30 | 2c 30 2c 30 2c 53 43 52 |reen,0,0|,0,0,SCR|
|00002800| 45 45 4e 5f 57 2d 31 2c | 53 43 52 45 45 4e 5f 48 |EEN_W-1,|SCREEN_H|
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|000029f0| 0d 0a 0d 0a 0d 0a 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002a00| 2b 20 31 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |+ 1;..  |      ba|
|00002a10| 6c 6c 73 5b 6e 5d 2d 3e | 63 75 72 66 72 61 6d 65 |lls[n]->|curframe|
|00002a20| 20 3d 20 72 61 6e 64 28 | 29 20 25 20 33 32 3b 0d | = rand(|) % 32;.|
|00002a30| 0a 20 20 20 20 20 20 20 | 20 62 61 6c 6c 73 5b 6e |.       | balls[n|
|00002a40| 5d 2d 3e 6d 61 78 66 72 | 61 6d 65 20 3d 20 33 31 |]->maxfr|ame = 31|
|00002a50| 3b 0d 0a 20 20 20 20 20 | 20 20 20 62 61 6c 6c 73 |;..     |   balls|
|00002a60| 5b 6e 5d 2d 3e 66 72 61 | 6d 65 63 6f 75 6e 74 20 |[n]->fra|mecount |
|00002a70| 3d 20 30 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |= 0;..  |      ba|
|00002a80| 6c 6c 73 5b 6e 5d 2d 3e | 66 72 61 6d 65 64 65 6c |lls[n]->|framedel|
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|00002aa0| 20 62 61 6c 6c 73 5b 6e | 5d 2d 3e 61 6e 69 6d 64 | balls[n|]->animd|
|00002ab0| 69 72 20 3d 20 31 3b 0d | 0a 20 20 20 20 7d 0d 0a |ir = 1;.|.    }..|
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|00002b20| 61 29 3b 0d 0a 0d 0a 0d | 0a 20 20 20 20 2f 2f 67 |a);.....|.    //g|
|00002b30| 61 6d 65 20 6c 6f 6f 70 | 0d 0a 20 20 20 20 77 68 |ame loop|..    wh|
|00002b40| 69 6c 65 20 28 21 6b 65 | 79 5b 4b 45 59 5f 45 53 |ile (!ke|y[KEY_ES|
|00002b50| 43 5d 29 0d 0a 20 20 20 | 20 7b 0d 0a 20 20 20 20 |C])..   | {..    |
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|00002b80| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 4e 55 4d | for (n=|0; n<NUM|
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|00002bc0| 29 3b 0d 0a 0d 0a 20 20 | 20 20 20 20 20 20 2f 2f |);....  |      //|
|00002bd0| 75 70 64 61 74 65 20 61 | 6e 64 20 64 72 61 77 20 |update a|nd draw |
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|00002bf0| 20 20 20 20 20 66 6f 72 | 20 28 6e 3d 30 3b 20 6e |     for| (n=0; n|
|00002c00| 3c 4e 55 4d 3b 20 6e 2b | 2b 29 0d 0a 20 20 20 20 |<NUM; n+|+)..    |
|00002c10| 20 20 20 20 7b 0d 0a 20 | 20 20 20 20 20 20 20 20 |    {.. |        |
|00002c20| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00002c30| 62 61 6c 6c 73 5b 6e 5d | 29 3b 0d 0a 20 20 20 20 |balls[n]|);..    |
|00002c40| 20 20 20 20 20 20 20 20 | 62 6f 75 6e 63 65 73 70 |        |bouncesp|
|00002c50| 72 69 74 65 28 62 61 6c | 6c 73 5b 6e 5d 29 3b 0d |rite(bal|ls[n]);.|
|00002c60| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 64 72 61 |.       |     dra|
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|00002c80| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 6e | ballimg|[balls[n|
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|00002ca0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
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|00002cc0| 6c 73 5b 6e 5d 2d 3e 79 | 29 3b 0d 0a 20 20 20 20 |ls[n]->y|);..    |
|00002cd0| 20 20 20 20 7d 0d 0a 0d | 0a 20 20 20 20 20 20 20 |    }...|.       |
|00002ce0| 20 2f 2f 75 70 64 61 74 | 65 20 74 68 65 20 73 63 | //updat|e the sc|
|00002cf0| 72 65 65 6e 0d 0a 20 20 | 20 20 20 20 20 20 61 63 |reen..  |      ac|
|00002d00| 71 75 69 72 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |quire_sc|reen();.|
|00002d10| 0a 20 20 20 20 20 20 20 | 20 62 6c 69 74 28 62 75 |.       | blit(bu|
|00002d20| 66 66 65 72 2c 73 63 72 | 65 65 6e 2c 30 2c 30 2c |ffer,scr|een,0,0,|
|00002d30| 30 2c 30 2c 53 43 52 45 | 45 4e 5f 57 2d 31 2c 53 |0,0,SCRE|EN_W-1,S|
|00002d40| 43 52 45 45 4e 5f 48 2d | 31 29 3b 0d 0a 20 20 20 |CREEN_H-|1);..   |
|00002d50| 20 20 20 20 20 72 65 6c | 65 61 73 65 5f 73 63 72 |     rel|ease_scr|
|00002d60| 65 65 6e 28 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |een();..|..      |
|00002d70| 20 20 2f 2f 73 6c 6f 77 | 20 74 68 65 20 67 61 6d |  //slow| the gam|
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|00002d90| 72 65 73 74 28 38 29 3b | 0d 0a 20 20 20 20 7d 0d |rest(8);|..    }.|
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|00002dc0| 6f 20 71 75 69 74 0d 0a | 20 20 20 20 64 6f 6e 65 |o quit..|    done|
|00002dd0| 2b 2b 3b 0d 0a 20 20 20 | 20 72 65 73 74 28 31 30 |++;..   | rest(10|
|00002de0| 30 30 29 3b 0d 0a 0d 0a | 20 20 20 20 2f 2f 6b 69 |00);....|    //ki|
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|00003500| 64 5f 6d 75 74 65 78 5f | 6c 6f 63 6b 28 26 74 68 |d_mutex_|lock(&th|
|00003510| 72 65 61 64 73 61 66 65 | 29 29 0d 0a 20 20 20 20 |readsafe|))..    |
|00003520| 20 20 20 20 20 20 20 20 | 74 65 78 74 6f 75 74 28 |        |textout(|
|00003530| 62 75 66 66 65 72 2c 66 | 6f 6e 74 2c 22 45 52 52 |buffer,f|ont,"ERR|
|00003540| 4f 52 3a 20 74 68 72 65 | 61 64 20 6d 75 74 65 78 |OR: thre|ad mutex|
|00003550| 20 77 61 73 20 6c 6f 63 | 6b 65 64 22 2c 30 2c 30 | was loc|ked",0,0|
|00003560| 2c 57 48 49 54 45 29 3b | 0d 0a 0d 0a 20 20 20 20 |,WHITE);|....    |
|00003570| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 73 70 72 69 |    //er|ase spri|
|00003580| 74 65 20 31 0d 0a 20 20 | 20 20 20 20 20 20 65 72 |te 1..  |      er|
|00003590| 61 73 65 73 70 72 69 74 | 65 28 62 75 66 66 65 72 |asesprit|e(buffer|
|000035a0| 2c 20 62 61 6c 6c 73 5b | 31 5d 29 3b 0d 0a 0d 0a |, balls[|1]);....|
|000035b0| 20 20 20 20 20 20 20 20 | 2f 2f 75 70 64 61 74 65 |        |//update|
|000035c0| 20 73 70 72 69 74 65 20 | 31 0d 0a 20 20 20 20 20 | sprite |1..     |
|000035d0| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|000035e0| 62 61 6c 6c 73 5b 31 5d | 29 3b 0d 0a 0d 0a 20 20 |balls[1]|);....  |
|000035f0| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00003600| 70 72 69 74 65 20 31 0d | 0a 20 20 20 20 20 20 20 |prite 1.|.       |
|00003610| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
|00003620| 6c 6c 73 5b 31 5d 29 3b | 0d 0a 0d 0a 20 20 20 20 |lls[1]);|....    |
|00003630| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00003640| 65 20 31 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 1..   |     dra|
|00003650| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00003660| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 31 | ballimg|[balls[1|
|00003670| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|00003680| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 61 6c 6c |        |    ball|
|00003690| 73 5b 31 5d 2d 3e 78 2c | 20 62 61 6c 6c 73 5b 31 |s[1]->x,| balls[1|
|000036a0| 5d 2d 3e 79 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |]->y);..|..      |
|000036b0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
|000036c0| 75 74 65 78 0d 0a 20 20 | 20 20 20 20 20 20 69 66 |utex..  |      if|
|000036d0| 20 28 70 74 68 72 65 61 | 64 5f 6d 75 74 65 78 5f | (pthrea|d_mutex_|
|000036e0| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
|000036f0| 66 65 29 29 0d 0a 20 20 | 20 20 20 20 20 20 20 20 |fe))..  |        |
|00003700| 20 20 74 65 78 74 6f 75 | 74 28 62 75 66 66 65 72 |  textou|t(buffer|
|00003710| 2c 66 6f 6e 74 2c 22 45 | 52 52 4f 52 3a 20 74 68 |,font,"E|RROR: th|
|00003720| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
|00003730| 6b 20 65 72 72 6f 72 22 | 2c 30 2c 30 2c 57 48 49 |k error"|,0,0,WHI|
|00003740| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
|00003750| 2f 2f 73 6c 6f 77 20 64 | 6f 77 6e 20 28 74 68 69 |//slow d|own (thi|
|00003760| 73 20 74 68 72 65 61 64 | 20 6f 6e 6c 79 21 29 0d |s thread| only!).|
|00003770| 0a 20 20 20 20 09 72 65 | 73 74 28 35 30 29 3b 0d |.    .re|st(50);.|
|00003780| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
|00003790| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|000037a0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|000037b0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|000037c0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|000037d0| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 70 72 6f 67 72 |L;..}...|.//progr|
|000037e0| 61 6d 27 73 20 70 72 69 | 6d 61 72 79 20 74 68 72 |am's pri|mary thr|
|000037f0| 65 61 64 0d 0a 76 6f 69 | 64 20 6d 61 69 6e 28 76 |ead..voi|d main(v|
|00003800| 6f 69 64 29 0d 0a 7b 0d | 0a 20 20 20 20 69 6e 74 |oid)..{.|.    int|
|00003810| 20 69 64 3b 0d 0a 20 20 | 20 20 70 74 68 72 65 61 | id;..  |  pthrea|
|00003820| 64 5f 74 20 70 74 68 72 | 65 61 64 31 3b 0d 0a 20 |d_t pthr|ead1;.. |
|00003830| 20 20 20 70 74 68 72 65 | 61 64 5f 74 20 70 74 68 |   pthre|ad_t pth|
|00003840| 72 65 61 64 32 3b 0d 0a | 20 20 20 20 69 6e 74 20 |read2;..|    int |
|00003850| 74 68 72 65 61 64 69 64 | 31 20 3d 20 31 3b 0d 0a |threadid|1 = 1;..|
|00003860| 20 20 20 20 69 6e 74 20 | 74 68 72 65 61 64 69 64 |    int |threadid|
|00003870| 32 20 3d 20 32 3b 0d 0a | 0d 0a 20 20 20 20 2f 2f |2 = 2;..|..    //|
|00003880| 69 6e 69 74 69 61 6c 69 | 7a 65 0d 0a 20 20 20 20 |initiali|ze..    |
|00003890| 61 6c 6c 65 67 72 6f 5f | 69 6e 69 74 28 29 3b 0d |allegro_|init();.|
|000038a0| 0a 20 20 20 20 73 65 74 | 5f 63 6f 6c 6f 72 5f 64 |.    set|_color_d|
|000038b0| 65 70 74 68 28 31 36 29 | 3b 0d 0a 20 20 20 20 73 |epth(16)|;..    s|
|000038c0| 65 74 5f 67 66 78 5f 6d | 6f 64 65 28 4d 4f 44 45 |et_gfx_m|ode(MODE|
|000038d0| 2c 20 57 49 44 54 48 2c | 20 48 45 49 47 48 54 2c |, WIDTH,| HEIGHT,|
|000038e0| 20 30 2c 20 30 29 3b 0d | 0a 20 20 20 20 73 72 61 | 0, 0);.|.    sra|
|000038f0| 6e 64 28 74 69 6d 65 28 | 4e 55 4c 4c 29 29 3b 0d |nd(time(|NULL));.|
|00003900| 0a 20 20 20 20 74 65 78 | 74 5f 6d 6f 64 65 28 2d |.    tex|t_mode(-|
|00003910| 31 29 3b 0d 0a 20 20 20 | 20 69 6e 73 74 61 6c 6c |1);..   | install|
|00003920| 5f 6b 65 79 62 6f 61 72 | 64 28 29 3b 0d 0a 20 20 |_keyboar|d();..  |
|00003930| 20 20 69 6e 73 74 61 6c | 6c 5f 74 69 6d 65 72 28 |  instal|l_timer(|
|00003940| 29 3b 0d 0a 0d 0a 20 20 | 20 20 2f 2f 63 72 65 61 |);....  |  //crea|
|00003950| 74 65 20 64 6f 75 62 6c | 65 20 62 75 66 66 65 72 |te doubl|e buffer|
|00003960| 0d 0a 20 20 20 20 62 75 | 66 66 65 72 20 3d 20 63 |..    bu|ffer = c|
|00003970| 72 65 61 74 65 5f 62 69 | 74 6d 61 70 28 53 43 52 |reate_bi|tmap(SCR|
|00003980| 45 45 4e 5f 57 2c 53 43 | 52 45 45 4e 5f 48 29 3b |EEN_W,SC|REEN_H);|
|00003990| 0d 0a 0d 0a 20 20 20 20 | 2f 2f 64 69 73 70 6c 61 |....    |//displa|
|000039a0| 79 20 74 69 74 6c 65 0d | 0a 20 20 20 20 74 65 78 |y title.|.    tex|
|000039b0| 74 6f 75 74 28 62 75 66 | 66 65 72 2c 20 66 6f 6e |tout(buf|fer, fon|
|000039c0| 74 2c 20 22 4d 75 6c 74 | 69 54 68 72 65 61 64 20 |t, "Mult|iThread |
|000039d0| 50 72 6f 67 72 61 6d 20 | 28 45 53 43 20 74 6f 20 |Program |(ESC to |
|000039e0| 71 75 69 74 29 22 2c 20 | 0d 0a 20 20 20 20 20 20 |quit)", |..      |
|000039f0| 20 20 30 2c 20 30 2c 20 | 57 48 49 54 45 29 3b 0d |  0, 0, |WHITE);.|
|00003a00| 0a 0d 0a 20 20 20 20 2f | 2f 6c 6f 61 64 20 62 61 |...    /|/load ba|
|00003a10| 6c 6c 20 73 70 72 69 74 | 65 20 0d 0a 20 20 20 20 |ll sprit|e ..    |
|00003a20| 6c 6f 61 64 73 70 72 69 | 74 65 73 28 29 3b 0d 0a |loadspri|tes();..|
|00003a30| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|00003a40| 68 65 20 74 68 72 65 61 | 64 20 66 6f 72 20 73 70 |he threa|d for sp|
|00003a50| 72 69 74 65 20 30 0d 0a | 20 20 20 20 69 64 20 3d |rite 0..|    id =|
|00003a60| 20 70 74 68 72 65 61 64 | 5f 63 72 65 61 74 65 28 | pthread|_create(|
|00003a70| 26 70 74 68 72 65 61 64 | 31 2c 20 4e 55 4c 4c 2c |&pthread|1, NULL,|
|00003a80| 20 74 68 72 65 61 64 31 | 2c 20 28 76 6f 69 64 2a | thread1|, (void*|
|00003a90| 29 26 74 68 72 65 61 64 | 69 64 31 29 3b 0d 0a 0d |)&thread|id1);...|
|00003aa0| 0a 20 20 20 20 2f 2f 63 | 72 65 61 74 65 20 74 68 |.    //c|reate th|
|00003ab0| 65 20 74 68 72 65 61 64 | 20 66 6f 72 20 73 70 72 |e thread| for spr|
|00003ac0| 69 74 65 20 31 0d 0a 20 | 20 20 20 69 64 20 3d 20 |ite 1.. |   id = |
|00003ad0| 70 74 68 72 65 61 64 5f | 63 72 65 61 74 65 28 26 |pthread_|create(&|
|00003ae0| 70 74 68 72 65 61 64 32 | 2c 20 4e 55 4c 4c 2c 20 |pthread2|, NULL, |
|00003af0| 74 68 72 65 61 64 32 2c | 20 28 76 6f 69 64 2a 29 |thread2,| (void*)|
|00003b00| 26 74 68 72 65 61 64 69 | 64 32 29 3b 0d 0a 0d 0a |&threadi|d2);....|
|00003b10| 20 20 20 20 2f 2f 6d 61 | 69 6e 20 6c 6f 6f 70 0d |    //ma|in loop.|
|00003b20| 0a 20 20 20 20 77 68 69 | 6c 65 20 28 21 6b 65 79 |.    whi|le (!key|
|00003b30| 5b 4b 45 59 5f 45 53 43 | 5d 29 0d 0a 20 20 20 20 |[KEY_ESC|])..    |
|00003b40| 7b 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 6c 6f 63 |{..     |   //loc|
|00003b50| 6b 20 74 68 65 20 6d 75 | 74 65 78 20 74 6f 20 70 |k the mu|tex to p|
|00003b60| 72 6f 74 65 63 74 20 64 | 6f 75 62 6c 65 20 62 75 |rotect d|ouble bu|
|00003b70| 66 66 65 72 0d 0a 20 20 | 20 20 20 20 20 20 70 74 |ffer..  |      pt|
|00003b80| 68 72 65 61 64 5f 6d 75 | 74 65 78 5f 6c 6f 63 6b |hread_mu|tex_lock|
|00003b90| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|00003ba0| 0d 0a 20 20 20 20 20 20 | 20 20 2f 2f 75 70 64 61 |..      |  //upda|
|00003bb0| 74 65 20 74 68 65 20 73 | 63 72 65 65 6e 0d 0a 20 |te the s|creen.. |
|00003bc0| 20 20 20 20 20 20 20 61 | 63 71 75 69 72 65 5f 73 |       a|cquire_s|
|00003bd0| 63 72 65 65 6e 28 29 3b | 0d 0a 20 20 20 20 20 20 |creen();|..      |
|00003be0| 20 20 62 6c 69 74 28 62 | 75 66 66 65 72 2c 73 63 |  blit(b|uffer,sc|
|00003bf0| 72 65 65 6e 2c 30 2c 30 | 2c 30 2c 30 2c 53 43 52 |reen,0,0|,0,0,SCR|
|00003c00| 45 45 4e 5f 57 2d 31 2c | 53 43 52 45 45 4e 5f 48 |EEN_W-1,|SCREEN_H|
|00003c10| 2d 31 29 3b 0d 0a 20 20 | 20 20 20 20 20 20 72 65 |-1);..  |      re|
|00003c20| 6c 65 61 73 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |lease_sc|reen();.|
|00003c30| 0a 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 75 6e 6c |...     |   //unl|
|00003c40| 6f 63 6b 20 74 68 65 20 | 6d 75 74 65 78 0d 0a 20 |ock the |mutex.. |
|00003c50| 20 20 20 20 20 20 20 70 | 74 68 72 65 61 64 5f 6d |       p|thread_m|
|00003c60| 75 74 65 78 5f 75 6e 6c | 6f 63 6b 28 26 74 68 72 |utex_unl|ock(&thr|
|00003c70| 65 61 64 73 61 66 65 29 | 3b 0d 0a 0d 0a 20 20 20 |eadsafe)|;....   |
|00003c80| 20 20 20 20 20 72 65 73 | 74 28 31 29 3b 0d 0a 20 |     res|t(1);.. |
|00003c90| 20 20 20 7d 0d 0a 0d 0a | 20 20 20 20 2f 2f 74 65 |   }....|    //te|
|00003ca0| 6c 6c 20 74 68 72 65 61 | 64 73 20 69 74 27 73 20 |ll threa|ds it's |
|00003cb0| 74 69 6d 65 20 74 6f 20 | 71 75 69 74 0d 0a 20 20 |time to |quit..  |
|00003cc0| 20 20 64 6f 6e 65 2b 2b | 3b 0d 0a 20 20 20 20 72 |  done++|;..    r|
|00003cd0| 65 73 74 28 31 30 30 29 | 3b 0d 0a 0d 0a 20 20 20 |est(100)|;....   |
|00003ce0| 20 2f 2f 6b 69 6c 6c 20 | 74 68 65 20 6d 75 74 65 | //kill |the mute|
|00003cf0| 78 20 28 74 68 72 65 61 | 64 20 70 72 6f 74 65 63 |x (threa|d protec|
|00003d00| 74 69 6f 6e 29 0d 0a 20 | 20 20 20 70 74 68 72 65 |tion).. |   pthre|
|00003d10| 61 64 5f 6d 75 74 65 78 | 5f 64 65 73 74 72 6f 79 |ad_mutex|_destroy|
|00003d20| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|00003d30| 20 20 20 20 0d 0a 20 20 | 20 20 2f 2f 72 65 6d 6f |    ..  |  //remo|
|00003d40| 76 65 20 6f 62 6a 65 63 | 74 73 20 66 72 6f 6d 20 |ve objec|ts from |
|00003d50| 6d 65 6d 6f 72 79 0d 0a | 20 20 20 20 64 65 73 74 |memory..|    dest|
|00003d60| 72 6f 79 5f 62 69 74 6d | 61 70 28 62 75 66 66 65 |roy_bitm|ap(buffe|
|00003d70| 72 29 3b 0d 0a 0d 0a 20 | 20 20 20 2f 2f 64 65 6c |r);.... |   //del|
|00003d80| 65 74 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |ete spri|tes..   |
|00003d90| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 33 32 3b | for (n=|0; n<32;|
|00003da0| 20 6e 2b 2b 29 0d 0a 20 | 20 20 20 20 20 20 20 64 | n++).. |       d|
|00003db0| 65 73 74 72 6f 79 5f 62 | 69 74 6d 61 70 28 62 61 |estroy_b|itmap(ba|
|00003dc0| 6c 6c 69 6d 67 5b 6e 5d | 29 3b 0d 0a 0d 0a 20 20 |llimg[n]|);....  |
|00003dd0| 20 20 72 65 74 75 72 6e | 3b 0d 0a 7d 0d 0a 0d 0a |  return|;..}....|
|00003de0| 45 4e 44 5f 4f 46 5f 4d | 41 49 4e 28 29 3b 0d 0a |END_OF_M|AIN();..|
|00003df0| 0d 0a 0d 0a 0d 0a 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003e00| 2b 20 31 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |+ 1;..  |      ba|
|00003e10| 6c 6c 73 5b 6e 5d 2d 3e | 63 75 72 66 72 61 6d 65 |lls[n]->|curframe|
|00003e20| 20 3d 20 72 61 6e 64 28 | 29 20 25 20 33 32 3b 0d | = rand(|) % 32;.|
|00003e30| 0a 20 20 20 20 20 20 20 | 20 62 61 6c 6c 73 5b 6e |.       | balls[n|
|00003e40| 5d 2d 3e 6d 61 78 66 72 | 61 6d 65 20 3d 20 33 31 |]->maxfr|ame = 31|
|00003e50| 3b 0d 0a 20 20 20 20 20 | 20 20 20 62 61 6c 6c 73 |;..     |   balls|
|00003e60| 5b 6e 5d 2d 3e 66 72 61 | 6d 65 63 6f 75 6e 74 20 |[n]->fra|mecount |
|00003e70| 3d 20 30 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |= 0;..  |      ba|
|00003e80| 6c 6c 73 5b 6e 5d 2d 3e | 66 72 61 6d 65 64 65 6c |lls[n]->|framedel|
|00003e90| 61 79 20 3d 20 30 3b 0d | 0a 20 20 20 20 20 20 20 |ay = 0;.|.       |
|00003ea0| 20 62 61 6c 6c 73 5b 6e | 5d 2d 3e 61 6e 69 6d 64 | balls[n|]->animd|
|00003eb0| 69 72 20 3d 20 31 3b 0d | 0a 20 20 20 20 7d 0d 0a |ir = 1;.|.    }..|
|00003ec0| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|00003ed0| 68 65 20 6e 65 77 20 74 | 68 72 65 61 64 0d 0a 20 |he new t|hread.. |
|00003ee0| 20 20 20 74 68 72 65 61 | 64 5f 69 64 20 3d 20 70 |   threa|d_id = p|
|00003ef0| 74 68 72 65 61 64 5f 63 | 72 65 61 74 65 28 26 70 |thread_c|reate(&p|
|00003f00| 5f 74 68 72 65 61 64 2c | 20 4e 55 4c 4c 2c 20 74 |_thread,| NULL, t|
|00003f10| 68 72 65 61 64 31 2c 20 | 28 76 6f 69 64 2a 29 26 |hread1, |(void*)&|
|00003f20| 61 29 3b 0d 0a 0d 0a 0d | 0a 20 20 20 20 2f 2f 67 |a);.....|.    //g|
|00003f30| 61 6d 65 20 6c 6f 6f 70 | 0d 0a 20 20 20 20 77 68 |ame loop|..    wh|
|00003f40| 69 6c 65 20 28 21 6b 65 | 79 5b 4b 45 59 5f 45 53 |ile (!ke|y[KEY_ES|
|00003f50| 43 5d 29 0d 0a 20 20 20 | 20 7b 0d 0a 20 20 20 20 |C])..   | {..    |
|00003f60| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 74 68 65 20 |    //er|ase the |
|00003f70| 73 70 72 69 74 65 73 0d | 0a 20 20 20 20 20 20 20 |sprites.|.       |
|00003f80| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 4e 55 4d | for (n=|0; n<NUM|
|00003f90| 3b 20 6e 2b 2b 29 0d 0a | 20 20 20 20 20 20 20 20 |; n++)..|        |
|00003fa0| 20 20 20 20 65 72 61 73 | 65 73 70 72 69 74 65 28 |    eras|esprite(|
|00003fb0| 62 75 66 66 65 72 2c 20 | 62 61 6c 6c 73 5b 6e 5d |buffer, |balls[n]|
|00003fc0| 29 3b 0d 0a 0d 0a 20 20 | 20 20 20 20 20 20 2f 2f |);....  |      //|
|00003fd0| 75 70 64 61 74 65 20 61 | 6e 64 20 64 72 61 77 20 |update a|nd draw |
|00003fe0| 74 68 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |the spri|tes..   |
|00003ff0| 20 20 20 20 20 66 6f 72 | 20 28 6e 3d 30 3b 20 6e |     for| (n=0; n|
|00004000| 3c 4e 55 4d 3b 20 6e 2b | 2b 29 0d 0a 20 20 20 20 |<NUM; n+|+)..    |
|00004010| 20 20 20 20 7b 0d 0a 20 | 20 20 20 20 20 20 20 20 |    {.. |        |
|00004020| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00004030| 62 61 6c 6c 73 5b 6e 5d | 29 3b 0d 0a 20 20 20 20 |balls[n]|);..    |
|00004040| 20 20 20 20 20 20 20 20 | 62 6f 75 6e 63 65 73 70 |        |bouncesp|
|00004050| 72 69 74 65 28 62 61 6c | 6c 73 5b 6e 5d 29 3b 0d |rite(bal|ls[n]);.|
|00004060| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 64 72 61 |.       |     dra|
|00004070| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00004080| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 6e | ballimg|[balls[n|
|00004090| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|000040a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000040b0| 62 61 6c 6c 73 5b 6e 5d | 2d 3e 78 2c 20 62 61 6c |balls[n]|->x, bal|
|000040c0| 6c 73 5b 6e 5d 2d 3e 79 | 29 3b 0d 0a 20 20 20 20 |ls[n]->y|);..    |
|000040d0| 20 20 20 20 7d 0d 0a 0d | 0a 20 20 20 20 20 20 20 |    }...|.       |
|000040e0| 20 2f 2f 75 70 64 61 74 | 65 20 74 68 65 20 73 63 | //updat|e the sc|
|000040f0| 72 65 65 6e 0d 0a 20 20 | 20 20 20 20 20 20 61 63 |reen..  |      ac|
|00004100| 71 75 69 72 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |quire_sc|reen();.|
|00004110| 0a 20 20 20 20 20 20 20 | 20 62 6c 69 74 28 62 75 |.       | blit(bu|
|00004120| 66 66 65 72 2c 73 63 72 | 65 65 6e 2c 30 2c 30 2c |ffer,scr|een,0,0,|
|00004130| 30 2c 30 2c 53 43 52 45 | 45 4e 5f 57 2d 31 2c 53 |0,0,SCRE|EN_W-1,S|
|00004140| 43 52 45 45 4e 5f 48 2d | 31 29 3b 0d 0a 20 20 20 |CREEN_H-|1);..   |
|00004150| 20 20 20 20 20 72 65 6c | 65 61 73 65 5f 73 63 72 |     rel|ease_scr|
|00004160| 65 65 6e 28 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |een();..|..      |
|00004170| 20 20 2f 2f 73 6c 6f 77 | 20 74 68 65 20 67 61 6d |  //slow| the gam|
|00004180| 65 20 64 6f 77 6e 0d 0a | 20 20 20 20 20 20 20 20 |e down..|        |
|00004190| 72 65 73 74 28 38 29 3b | 0d 0a 20 20 20 20 7d 0d |rest(8);|..    }.|
|000041a0| 0a 0d 0a 20 20 20 20 2f | 2f 74 65 6c 6c 20 74 68 |...    /|/tell th|
|000041b0| 72 65 61 64 20 69 74 27 | 73 20 74 69 6d 65 20 74 |read it'|s time t|
|000041c0| 6f 20 71 75 69 74 0d 0a | 20 20 20 20 64 6f 6e 65 |o quit..|    done|
|000041d0| 2b 2b 3b 0d 0a 20 20 20 | 20 72 65 73 74 28 31 30 |++;..   | rest(10|
|000041e0| 30 30 29 3b 0d 0a 0d 0a | 20 20 20 20 2f 2f 6b 69 |00);....|    //ki|
|000041f0| 6c 6c 20 74 68 65 20 6d | 75 74 65 78 20 28 74 68 |ll the m|utex (th|
|00004200| 57 00 6f 00 72 00 6b 00 | 73 00 70 00 61 00 63 00 |W.o.r.k.|s.p.a.c.|
|00004210| 65 00 20 00 57 00 69 00 | 6e 00 64 00 6f 00 77 00 |e. .W.i.|n.d.o.w.|
|00004220| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004230| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004240| 22 00 02 01 07 00 00 00 | ff ff ff ff ff ff ff ff |".......|........|
|00004250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00004790| 0d 0a 20 20 20 20 20 20 | 20 20 0d 0a 20 20 20 20 |..      |  ..    |
|000047a0| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 73 70 72 69 |    //er|ase spri|
|000047b0| 74 65 20 30 0d 0a 20 20 | 20 20 20 20 20 20 65 72 |te 0..  |      er|
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|000047e0| 20 20 20 20 20 20 20 20 | 2f 2f 75 70 64 61 74 65 |        |//update|
|000047f0| 20 73 70 72 69 74 65 20 | 30 0d 0a 20 20 20 20 20 | sprite |0..     |
|00004800| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00004810| 62 61 6c 6c 73 5b 30 5d | 29 3b 0d 0a 0d 0a 20 20 |balls[0]|);....  |
|00004820| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00004830| 70 72 69 74 65 20 30 0d | 0a 20 20 20 20 20 20 20 |prite 0.|.       |
|00004840| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
|00004850| 6c 6c 73 5b 30 5d 29 3b | 0d 0a 0d 0a 20 20 20 20 |lls[0]);|....    |
|00004860| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00004870| 65 20 30 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 0..   |     dra|
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|00004890| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 30 | ballimg|[balls[0|
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|000048e0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
|000048f0| 75 74 65 78 0d 0a 20 20 | 20 20 20 20 20 20 69 66 |utex..  |      if|
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|00004910| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
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|00004950| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
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|00004970| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
|00004980| 2f 2f 73 6c 6f 77 20 64 | 6f 77 6e 20 28 74 68 69 |//slow d|own (thi|
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|000049b0| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
|000049c0| 20 74 65 72 6d 69 6e 61 | 74 65 20 74 68 65 20 74 | termina|te the t|
|000049d0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|000049e0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|000049f0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|00004a00| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 74 68 69 73 20 |L;..}...|.//this |
|00004a10| 74 68 72 65 61 64 20 75 | 70 64 61 74 65 73 20 74 |thread u|pdates t|
|00004a20| 68 65 20 73 63 72 65 65 | 6e 0d 0a 76 6f 69 64 2a |he scree|n..void*|
|00004a30| 20 74 68 72 65 61 64 32 | 28 76 6f 69 64 2a 20 64 | thread2|(void* d|
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|00004a60| 64 0d 0a 20 20 20 20 69 | 6e 74 20 6d 79 5f 74 68 |d..    i|nt my_th|
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|00004a80| 2a 29 64 61 74 61 29 3b | 0d 0a 0d 0a 20 20 20 20 |*)data);|....    |
|00004a90| 2f 2f 74 68 72 65 61 64 | 27 73 20 6d 61 69 6e 20 |//thread|'s main |
|00004aa0| 6c 6f 6f 70 0d 0a 20 20 | 20 20 77 68 69 6c 65 28 |loop..  |  while(|
|00004ab0| 21 64 6f 6e 65 29 0d 0a | 20 20 20 20 7b 0d 0a 20 |!done)..|    {.. |
|00004ac0| 20 20 20 20 20 20 20 2f | 2f 6c 6f 63 6b 20 74 68 |       /|/lock th|
|00004ad0| 65 20 6d 75 74 65 78 20 | 74 6f 20 70 72 6f 74 65 |e mutex |to prote|
|00004ae0| 63 74 20 76 61 72 69 61 | 62 6c 65 73 0d 0a 20 20 |ct varia|bles..  |
|00004af0| 20 20 20 20 20 20 69 66 | 20 28 70 74 68 72 65 61 |      if| (pthrea|
|00004b00| 64 5f 6d 75 74 65 78 5f | 6c 6f 63 6b 28 26 74 68 |d_mutex_|lock(&th|
|00004b10| 72 65 61 64 73 61 66 65 | 29 29 0d 0a 20 20 20 20 |readsafe|))..    |
|00004b20| 20 20 20 20 20 20 20 20 | 74 65 78 74 6f 75 74 28 |        |textout(|
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|00004b40| 4f 52 3a 20 74 68 72 65 | 61 64 20 6d 75 74 65 78 |OR: thre|ad mutex|
|00004b50| 20 77 61 73 20 6c 6f 63 | 6b 65 64 22 2c 30 2c 30 | was loc|ked",0,0|
|00004b60| 2c 57 48 49 54 45 29 3b | 0d 0a 0d 0a 20 20 20 20 |,WHITE);|....    |
|00004b70| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 73 70 72 69 |    //er|ase spri|
|00004b80| 74 65 20 31 0d 0a 20 20 | 20 20 20 20 20 20 65 72 |te 1..  |      er|
|00004b90| 61 73 65 73 70 72 69 74 | 65 28 62 75 66 66 65 72 |asesprit|e(buffer|
|00004ba0| 2c 20 62 61 6c 6c 73 5b | 31 5d 29 3b 0d 0a 0d 0a |, balls[|1]);....|
|00004bb0| 20 20 20 20 20 20 20 20 | 2f 2f 75 70 64 61 74 65 |        |//update|
|00004bc0| 20 73 70 72 69 74 65 20 | 31 0d 0a 20 20 20 20 20 | sprite |1..     |
|00004bd0| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00004be0| 62 61 6c 6c 73 5b 31 5d | 29 3b 0d 0a 0d 0a 20 20 |balls[1]|);....  |
|00004bf0| 20 20 20 20 20 20 2f 2f | 62 6f 75 6e 63 65 20 73 |      //|bounce s|
|00004c00| 70 72 69 74 65 20 31 0d | 0a 20 20 20 20 20 20 20 |prite 1.|.       |
|00004c10| 20 62 6f 75 6e 63 65 73 | 70 72 69 74 65 28 62 61 | bounces|prite(ba|
|00004c20| 6c 6c 73 5b 31 5d 29 3b | 0d 0a 0d 0a 20 20 20 20 |lls[1]);|....    |
|00004c30| 20 20 20 20 2f 2f 64 72 | 61 77 20 73 70 72 69 74 |    //dr|aw sprit|
|00004c40| 65 20 31 0d 0a 20 20 20 | 20 20 20 20 20 64 72 61 |e 1..   |     dra|
|00004c50| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00004c60| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 31 | ballimg|[balls[1|
|00004c70| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|00004c80| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 61 6c 6c |        |    ball|
|00004c90| 73 5b 31 5d 2d 3e 78 2c | 20 62 61 6c 6c 73 5b 31 |s[1]->x,| balls[1|
|00004ca0| 5d 2d 3e 79 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |]->y);..|..      |
|00004cb0| 20 20 2f 2f 75 6e 6c 6f | 63 6b 20 74 68 65 20 6d |  //unlo|ck the m|
|00004cc0| 75 74 65 78 0d 0a 20 20 | 20 20 20 20 20 20 69 66 |utex..  |      if|
|00004cd0| 20 28 70 74 68 72 65 61 | 64 5f 6d 75 74 65 78 5f | (pthrea|d_mutex_|
|00004ce0| 75 6e 6c 6f 63 6b 28 26 | 74 68 72 65 61 64 73 61 |unlock(&|threadsa|
|00004cf0| 66 65 29 29 0d 0a 20 20 | 20 20 20 20 20 20 20 20 |fe))..  |        |
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|00004d10| 2c 66 6f 6e 74 2c 22 45 | 52 52 4f 52 3a 20 74 68 |,font,"E|RROR: th|
|00004d20| 72 65 61 64 20 6d 75 74 | 65 78 20 75 6e 6c 6f 63 |read mut|ex unloc|
|00004d30| 6b 20 65 72 72 6f 72 22 | 2c 30 2c 30 2c 57 48 49 |k error"|,0,0,WHI|
|00004d40| 54 45 29 3b 0d 0a 0d 0a | 20 20 20 20 20 20 20 20 |TE);....|        |
|00004d50| 2f 2f 73 6c 6f 77 20 64 | 6f 77 6e 20 28 74 68 69 |//slow d|own (thi|
|00004d60| 73 20 74 68 72 65 61 64 | 20 6f 6e 6c 79 21 29 0d |s thread| only!).|
|00004d70| 0a 20 20 20 20 09 72 65 | 73 74 28 35 30 29 3b 0d |.    .re|st(50);.|
|00004d80| 0a 20 20 20 20 7d 0d 0a | 0d 0a 20 20 20 20 2f 2f |.    }..|..    //|
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|00004da0| 68 72 65 61 64 0d 0a 20 | 20 20 20 70 74 68 72 65 |hread.. |   pthre|
|00004db0| 61 64 5f 65 78 69 74 28 | 4e 55 4c 4c 29 3b 0d 0a |ad_exit(|NULL);..|
|00004dc0| 0d 0a 20 20 20 20 72 65 | 74 75 72 6e 20 4e 55 4c |..    re|turn NUL|
|00004dd0| 4c 3b 0d 0a 7d 0d 0a 0d | 0a 2f 2f 70 72 6f 67 72 |L;..}...|.//progr|
|00004de0| 61 6d 27 73 20 70 72 69 | 6d 61 72 79 20 74 68 72 |am's pri|mary thr|
|00004df0| 65 61 64 0d 0a 76 6f 69 | 64 20 6d 61 69 6e 28 76 |ead..voi|d main(v|
|00004e00| 6f 69 64 29 0d 0a 7b 0d | 0a 20 20 20 20 69 6e 74 |oid)..{.|.    int|
|00004e10| 20 69 64 3b 0d 0a 20 20 | 20 20 70 74 68 72 65 61 | id;..  |  pthrea|
|00004e20| 64 5f 74 20 70 74 68 72 | 65 61 64 31 3b 0d 0a 20 |d_t pthr|ead1;.. |
|00004e30| 20 20 20 70 74 68 72 65 | 61 64 5f 74 20 70 74 68 |   pthre|ad_t pth|
|00004e40| 72 65 61 64 32 3b 0d 0a | 20 20 20 20 69 6e 74 20 |read2;..|    int |
|00004e50| 74 68 72 65 61 64 69 64 | 31 20 3d 20 31 3b 0d 0a |threadid|1 = 1;..|
|00004e60| 20 20 20 20 69 6e 74 20 | 74 68 72 65 61 64 69 64 |    int |threadid|
|00004e70| 32 20 3d 20 32 3b 0d 0a | 0d 0a 20 20 20 20 2f 2f |2 = 2;..|..    //|
|00004e80| 69 6e 69 74 69 61 6c 69 | 7a 65 0d 0a 20 20 20 20 |initiali|ze..    |
|00004e90| 61 6c 6c 65 67 72 6f 5f | 69 6e 69 74 28 29 3b 0d |allegro_|init();.|
|00004ea0| 0a 20 20 20 20 73 65 74 | 5f 63 6f 6c 6f 72 5f 64 |.    set|_color_d|
|00004eb0| 65 70 74 68 28 31 36 29 | 3b 0d 0a 20 20 20 20 73 |epth(16)|;..    s|
|00004ec0| 65 74 5f 67 66 78 5f 6d | 6f 64 65 28 4d 4f 44 45 |et_gfx_m|ode(MODE|
|00004ed0| 2c 20 57 49 44 54 48 2c | 20 48 45 49 47 48 54 2c |, WIDTH,| HEIGHT,|
|00004ee0| 20 30 2c 20 30 29 3b 0d | 0a 20 20 20 20 73 72 61 | 0, 0);.|.    sra|
|00004ef0| 6e 64 28 74 69 6d 65 28 | 4e 55 4c 4c 29 29 3b 0d |nd(time(|NULL));.|
|00004f00| 0a 20 20 20 20 74 65 78 | 74 5f 6d 6f 64 65 28 2d |.    tex|t_mode(-|
|00004f10| 31 29 3b 0d 0a 20 20 20 | 20 69 6e 73 74 61 6c 6c |1);..   | install|
|00004f20| 5f 6b 65 79 62 6f 61 72 | 64 28 29 3b 0d 0a 20 20 |_keyboar|d();..  |
|00004f30| 20 20 69 6e 73 74 61 6c | 6c 5f 74 69 6d 65 72 28 |  instal|l_timer(|
|00004f40| 29 3b 0d 0a 0d 0a 20 20 | 20 20 2f 2f 63 72 65 61 |);....  |  //crea|
|00004f50| 74 65 20 64 6f 75 62 6c | 65 20 62 75 66 66 65 72 |te doubl|e buffer|
|00004f60| 0d 0a 20 20 20 20 62 75 | 66 66 65 72 20 3d 20 63 |..    bu|ffer = c|
|00004f70| 72 65 61 74 65 5f 62 69 | 74 6d 61 70 28 53 43 52 |reate_bi|tmap(SCR|
|00004f80| 45 45 4e 5f 57 2c 53 43 | 52 45 45 4e 5f 48 29 3b |EEN_W,SC|REEN_H);|
|00004f90| 0d 0a 0d 0a 20 20 20 20 | 2f 2f 64 69 73 70 6c 61 |....    |//displa|
|00004fa0| 79 20 74 69 74 6c 65 0d | 0a 20 20 20 20 74 65 78 |y title.|.    tex|
|00004fb0| 74 6f 75 74 28 62 75 66 | 66 65 72 2c 20 66 6f 6e |tout(buf|fer, fon|
|00004fc0| 74 2c 20 22 4d 75 6c 74 | 69 54 68 72 65 61 64 20 |t, "Mult|iThread |
|00004fd0| 50 72 6f 67 72 61 6d 20 | 28 45 53 43 20 74 6f 20 |Program |(ESC to |
|00004fe0| 71 75 69 74 29 22 2c 20 | 0d 0a 20 20 20 20 20 20 |quit)", |..      |
|00004ff0| 20 20 30 2c 20 30 2c 20 | 57 48 49 54 45 29 3b 0d |  0, 0, |WHITE);.|
|00005000| 0a 0d 0a 20 20 20 20 2f | 2f 6c 6f 61 64 20 62 61 |...    /|/load ba|
|00005010| 6c 6c 20 73 70 72 69 74 | 65 20 0d 0a 20 20 20 20 |ll sprit|e ..    |
|00005020| 6c 6f 61 64 73 70 72 69 | 74 65 73 28 29 3b 0d 0a |loadspri|tes();..|
|00005030| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|00005040| 68 65 20 74 68 72 65 61 | 64 20 66 6f 72 20 73 70 |he threa|d for sp|
|00005050| 72 69 74 65 20 30 0d 0a | 20 20 20 20 69 64 20 3d |rite 0..|    id =|
|00005060| 20 70 74 68 72 65 61 64 | 5f 63 72 65 61 74 65 28 | pthread|_create(|
|00005070| 26 70 74 68 72 65 61 64 | 31 2c 20 4e 55 4c 4c 2c |&pthread|1, NULL,|
|00005080| 20 74 68 72 65 61 64 31 | 2c 20 28 76 6f 69 64 2a | thread1|, (void*|
|00005090| 29 26 74 68 72 65 61 64 | 69 64 31 29 3b 0d 0a 0d |)&thread|id1);...|
|000050a0| 0a 20 20 20 20 2f 2f 63 | 72 65 61 74 65 20 74 68 |.    //c|reate th|
|000050b0| 65 20 74 68 72 65 61 64 | 20 66 6f 72 20 73 70 72 |e thread| for spr|
|000050c0| 69 74 65 20 31 0d 0a 20 | 20 20 20 69 64 20 3d 20 |ite 1.. |   id = |
|000050d0| 70 74 68 72 65 61 64 5f | 63 72 65 61 74 65 28 26 |pthread_|create(&|
|000050e0| 70 74 68 72 65 61 64 32 | 2c 20 4e 55 4c 4c 2c 20 |pthread2|, NULL, |
|000050f0| 74 68 72 65 61 64 32 2c | 20 28 76 6f 69 64 2a 29 |thread2,| (void*)|
|00005100| 26 74 68 72 65 61 64 69 | 64 32 29 3b 0d 0a 0d 0a |&threadi|d2);....|
|00005110| 20 20 20 20 2f 2f 6d 61 | 69 6e 20 6c 6f 6f 70 0d |    //ma|in loop.|
|00005120| 0a 20 20 20 20 77 68 69 | 6c 65 20 28 21 6b 65 79 |.    whi|le (!key|
|00005130| 5b 4b 45 59 5f 45 53 43 | 5d 29 0d 0a 20 20 20 20 |[KEY_ESC|])..    |
|00005140| 7b 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 6c 6f 63 |{..     |   //loc|
|00005150| 6b 20 74 68 65 20 6d 75 | 74 65 78 20 74 6f 20 70 |k the mu|tex to p|
|00005160| 72 6f 74 65 63 74 20 64 | 6f 75 62 6c 65 20 62 75 |rotect d|ouble bu|
|00005170| 66 66 65 72 0d 0a 20 20 | 20 20 20 20 20 20 70 74 |ffer..  |      pt|
|00005180| 68 72 65 61 64 5f 6d 75 | 74 65 78 5f 6c 6f 63 6b |hread_mu|tex_lock|
|00005190| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|000051a0| 0d 0a 20 20 20 20 20 20 | 20 20 2f 2f 75 70 64 61 |..      |  //upda|
|000051b0| 74 65 20 74 68 65 20 73 | 63 72 65 65 6e 0d 0a 20 |te the s|creen.. |
|000051c0| 20 20 20 20 20 20 20 61 | 63 71 75 69 72 65 5f 73 |       a|cquire_s|
|000051d0| 63 72 65 65 6e 28 29 3b | 0d 0a 20 20 20 20 20 20 |creen();|..      |
|000051e0| 20 20 62 6c 69 74 28 62 | 75 66 66 65 72 2c 73 63 |  blit(b|uffer,sc|
|000051f0| 72 65 65 6e 2c 30 2c 30 | 2c 30 2c 30 2c 53 43 52 |reen,0,0|,0,0,SCR|
|00005200| 45 45 4e 5f 57 2d 31 2c | 53 43 52 45 45 4e 5f 48 |EEN_W-1,|SCREEN_H|
|00005210| 2d 31 29 3b 0d 0a 20 20 | 20 20 20 20 20 20 72 65 |-1);..  |      re|
|00005220| 6c 65 61 73 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |lease_sc|reen();.|
|00005230| 0a 0d 0a 20 20 20 20 20 | 20 20 20 2f 2f 75 6e 6c |...     |   //unl|
|00005240| 6f 63 6b 20 74 68 65 20 | 6d 75 74 65 78 0d 0a 20 |ock the |mutex.. |
|00005250| 20 20 20 20 20 20 20 70 | 74 68 72 65 61 64 5f 6d |       p|thread_m|
|00005260| 75 74 65 78 5f 75 6e 6c | 6f 63 6b 28 26 74 68 72 |utex_unl|ock(&thr|
|00005270| 65 61 64 73 61 66 65 29 | 3b 0d 0a 0d 0a 20 20 20 |eadsafe)|;....   |
|00005280| 20 20 20 20 20 72 65 73 | 74 28 31 29 3b 0d 0a 20 |     res|t(1);.. |
|00005290| 20 20 20 7d 0d 0a 0d 0a | 20 20 20 20 2f 2f 74 65 |   }....|    //te|
|000052a0| 6c 6c 20 74 68 72 65 61 | 64 73 20 69 74 27 73 20 |ll threa|ds it's |
|000052b0| 74 69 6d 65 20 74 6f 20 | 71 75 69 74 0d 0a 20 20 |time to |quit..  |
|000052c0| 20 20 64 6f 6e 65 2b 2b | 3b 0d 0a 20 20 20 20 72 |  done++|;..    r|
|000052d0| 65 73 74 28 31 30 30 29 | 3b 0d 0a 0d 0a 20 20 20 |est(100)|;....   |
|000052e0| 20 2f 2f 6b 69 6c 6c 20 | 74 68 65 20 6d 75 74 65 | //kill |the mute|
|000052f0| 78 20 28 74 68 72 65 61 | 64 20 70 72 6f 74 65 63 |x (threa|d protec|
|00005300| 74 69 6f 6e 29 0d 0a 20 | 20 20 20 70 74 68 72 65 |tion).. |   pthre|
|00005310| 61 64 5f 6d 75 74 65 78 | 5f 64 65 73 74 72 6f 79 |ad_mutex|_destroy|
|00005320| 28 26 74 68 72 65 61 64 | 73 61 66 65 29 3b 0d 0a |(&thread|safe);..|
|00005330| 20 20 20 20 0d 0a 20 20 | 20 20 2f 2f 72 65 6d 6f |    ..  |  //remo|
|00005340| 76 65 20 6f 62 6a 65 63 | 74 73 20 66 72 6f 6d 20 |ve objec|ts from |
|00005350| 6d 65 6d 6f 72 79 0d 0a | 20 20 20 20 64 65 73 74 |memory..|    dest|
|00005360| 72 6f 79 5f 62 69 74 6d | 61 70 28 62 75 66 66 65 |roy_bitm|ap(buffe|
|00005370| 72 29 3b 0d 0a 0d 0a 20 | 20 20 20 2f 2f 64 65 6c |r);.... |   //del|
|00005380| 65 74 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |ete spri|tes..   |
|00005390| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 33 32 3b | for (n=|0; n<32;|
|000053a0| 20 6e 2b 2b 29 0d 0a 20 | 20 20 20 20 20 20 20 64 | n++).. |       d|
|000053b0| 65 73 74 72 6f 79 5f 62 | 69 74 6d 61 70 28 62 61 |estroy_b|itmap(ba|
|000053c0| 6c 6c 69 6d 67 5b 6e 5d | 29 3b 0d 0a 0d 0a 20 20 |llimg[n]|);....  |
|000053d0| 20 20 72 65 74 75 72 6e | 3b 0d 0a 7d 0d 0a 0d 0a |  return|;..}....|
|000053e0| 45 4e 44 5f 4f 46 5f 4d | 41 49 4e 28 29 3b 0d 0a |END_OF_M|AIN();..|
|000053f0| 0d 0a 0d 0a 0d 0a 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005400| 2b 20 31 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |+ 1;..  |      ba|
|00005410| 6c 6c 73 5b 6e 5d 2d 3e | 63 75 72 66 72 61 6d 65 |lls[n]->|curframe|
|00005420| 20 3d 20 72 61 6e 64 28 | 29 20 25 20 33 32 3b 0d | = rand(|) % 32;.|
|00005430| 0a 20 20 20 20 20 20 20 | 20 62 61 6c 6c 73 5b 6e |.       | balls[n|
|00005440| 5d 2d 3e 6d 61 78 66 72 | 61 6d 65 20 3d 20 33 31 |]->maxfr|ame = 31|
|00005450| 3b 0d 0a 20 20 20 20 20 | 20 20 20 62 61 6c 6c 73 |;..     |   balls|
|00005460| 5b 6e 5d 2d 3e 66 72 61 | 6d 65 63 6f 75 6e 74 20 |[n]->fra|mecount |
|00005470| 3d 20 30 3b 0d 0a 20 20 | 20 20 20 20 20 20 62 61 |= 0;..  |      ba|
|00005480| 6c 6c 73 5b 6e 5d 2d 3e | 66 72 61 6d 65 64 65 6c |lls[n]->|framedel|
|00005490| 61 79 20 3d 20 30 3b 0d | 0a 20 20 20 20 20 20 20 |ay = 0;.|.       |
|000054a0| 20 62 61 6c 6c 73 5b 6e | 5d 2d 3e 61 6e 69 6d 64 | balls[n|]->animd|
|000054b0| 69 72 20 3d 20 31 3b 0d | 0a 20 20 20 20 7d 0d 0a |ir = 1;.|.    }..|
|000054c0| 0d 0a 20 20 20 20 2f 2f | 63 72 65 61 74 65 20 74 |..    //|create t|
|000054d0| 68 65 20 6e 65 77 20 74 | 68 72 65 61 64 0d 0a 20 |he new t|hread.. |
|000054e0| 20 20 20 74 68 72 65 61 | 64 5f 69 64 20 3d 20 70 |   threa|d_id = p|
|000054f0| 74 68 72 65 61 64 5f 63 | 72 65 61 74 65 28 26 70 |thread_c|reate(&p|
|00005500| 5f 74 68 72 65 61 64 2c | 20 4e 55 4c 4c 2c 20 74 |_thread,| NULL, t|
|00005510| 68 72 65 61 64 31 2c 20 | 28 76 6f 69 64 2a 29 26 |hread1, |(void*)&|
|00005520| 61 29 3b 0d 0a 0d 0a 0d | 0a 20 20 20 20 2f 2f 67 |a);.....|.    //g|
|00005530| 61 6d 65 20 6c 6f 6f 70 | 0d 0a 20 20 20 20 77 68 |ame loop|..    wh|
|00005540| 69 6c 65 20 28 21 6b 65 | 79 5b 4b 45 59 5f 45 53 |ile (!ke|y[KEY_ES|
|00005550| 43 5d 29 0d 0a 20 20 20 | 20 7b 0d 0a 20 20 20 20 |C])..   | {..    |
|00005560| 20 20 20 20 2f 2f 65 72 | 61 73 65 20 74 68 65 20 |    //er|ase the |
|00005570| 73 70 72 69 74 65 73 0d | 0a 20 20 20 20 20 20 20 |sprites.|.       |
|00005580| 20 66 6f 72 20 28 6e 3d | 30 3b 20 6e 3c 4e 55 4d | for (n=|0; n<NUM|
|00005590| 3b 20 6e 2b 2b 29 0d 0a | 20 20 20 20 20 20 20 20 |; n++)..|        |
|000055a0| 20 20 20 20 65 72 61 73 | 65 73 70 72 69 74 65 28 |    eras|esprite(|
|000055b0| 62 75 66 66 65 72 2c 20 | 62 61 6c 6c 73 5b 6e 5d |buffer, |balls[n]|
|000055c0| 29 3b 0d 0a 0d 0a 20 20 | 20 20 20 20 20 20 2f 2f |);....  |      //|
|000055d0| 75 70 64 61 74 65 20 61 | 6e 64 20 64 72 61 77 20 |update a|nd draw |
|000055e0| 74 68 65 20 73 70 72 69 | 74 65 73 0d 0a 20 20 20 |the spri|tes..   |
|000055f0| 20 20 20 20 20 66 6f 72 | 20 28 6e 3d 30 3b 20 6e |     for| (n=0; n|
|00005600| 3c 4e 55 4d 3b 20 6e 2b | 2b 29 0d 0a 20 20 20 20 |<NUM; n+|+)..    |
|00005610| 20 20 20 20 7b 0d 0a 20 | 20 20 20 20 20 20 20 20 |    {.. |        |
|00005620| 20 20 20 75 70 64 61 74 | 65 73 70 72 69 74 65 28 |   updat|esprite(|
|00005630| 62 61 6c 6c 73 5b 6e 5d | 29 3b 0d 0a 20 20 20 20 |balls[n]|);..    |
|00005640| 20 20 20 20 20 20 20 20 | 62 6f 75 6e 63 65 73 70 |        |bouncesp|
|00005650| 72 69 74 65 28 62 61 6c | 6c 73 5b 6e 5d 29 3b 0d |rite(bal|ls[n]);.|
|00005660| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 64 72 61 |.       |     dra|
|00005670| 77 5f 73 70 72 69 74 65 | 28 62 75 66 66 65 72 2c |w_sprite|(buffer,|
|00005680| 20 62 61 6c 6c 69 6d 67 | 5b 62 61 6c 6c 73 5b 6e | ballimg|[balls[n|
|00005690| 5d 2d 3e 63 75 72 66 72 | 61 6d 65 5d 2c 20 0d 0a |]->curfr|ame], ..|
|000056a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000056b0| 62 61 6c 6c 73 5b 6e 5d | 2d 3e 78 2c 20 62 61 6c |balls[n]|->x, bal|
|000056c0| 6c 73 5b 6e 5d 2d 3e 79 | 29 3b 0d 0a 20 20 20 20 |ls[n]->y|);..    |
|000056d0| 20 20 20 20 7d 0d 0a 0d | 0a 20 20 20 20 20 20 20 |    }...|.       |
|000056e0| 20 2f 2f 75 70 64 61 74 | 65 20 74 68 65 20 73 63 | //updat|e the sc|
|000056f0| 72 65 65 6e 0d 0a 20 20 | 20 20 20 20 20 20 61 63 |reen..  |      ac|
|00005700| 71 75 69 72 65 5f 73 63 | 72 65 65 6e 28 29 3b 0d |quire_sc|reen();.|
|00005710| 0a 20 20 20 20 20 20 20 | 20 62 6c 69 74 28 62 75 |.       | blit(bu|
|00005720| 66 66 65 72 2c 73 63 72 | 65 65 6e 2c 30 2c 30 2c |ffer,scr|een,0,0,|
|00005730| 30 2c 30 2c 53 43 52 45 | 45 4e 5f 57 2d 31 2c 53 |0,0,SCRE|EN_W-1,S|
|00005740| 43 52 45 45 4e 5f 48 2d | 31 29 3b 0d 0a 20 20 20 |CREEN_H-|1);..   |
|00005750| 20 20 20 20 20 72 65 6c | 65 61 73 65 5f 73 63 72 |     rel|ease_scr|
|00005760| 65 65 6e 28 29 3b 0d 0a | 0d 0a 20 20 20 20 20 20 |een();..|..      |
|00005770| 20 20 2f 2f 73 6c 6f 77 | 20 74 68 65 20 67 61 6d |  //slow| the gam|
|00005780| 65 20 64 6f 77 6e 0d 0a | 20 20 20 20 20 20 20 20 |e down..|        |
|00005790| 72 65 73 74 28 38 29 3b | 0d 0a 20 20 20 20 7d 0d |rest(8);|..    }.|
|000057a0| 0a 0d 0a 20 20 20 20 2f | 2f 74 65 6c 6c 20 74 68 |...    /|/tell th|
|000057b0| 72 65 61 64 20 69 74 27 | 73 20 74 69 6d 65 20 74 |read it'|s time t|
|000057c0| 6f 20 71 75 69 74 0d 0a | 20 20 20 20 64 6f 6e 65 |o quit..|    done|
|000057d0| 2b 2b 3b 0d 0a 20 20 20 | 20 72 65 73 74 28 31 30 |++;..   | rest(10|
|000057e0| 30 30 29 3b 0d 0a 0d 0a | 20 20 20 20 2f 2f 6b 69 |00);....|    //ki|
|000057f0| 6c 6c 20 74 68 65 20 6d | 75 74 65 78 20 28 74 68 |ll the m|utex (th|
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|00005850| 33 32 20 44 65 62 75 67 | 1b 4d 75 6c 74 69 54 68 |32 Debug|.MultiTh|
|00005860| 72 65 61 64 20 2d 20 57 | 69 6e 33 32 20 52 65 6c |read - W|in32 Rel|
|00005870| 65 61 73 65 02 00 00 00 | 01 80 00 00 00 00 00 00 |ease....|........|
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|00005890| 20 57 69 6e 33 32 20 44 | 65 62 75 67 02 00 00 00 | Win32 D|ebug....|
|000058a0| 01 80 00 00 00 00 02 00 | 00 00 ea 05 01 00 00 00 |........|........|
|000058b0| 02 00 00 00 fb 05 01 00 | 00 00 00 00 00 00 06 08 |........|........|
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|00006330| 20 20 69 6e 73 74 61 6c | 6c 5f 74 69 6d 65 72 28 |  instal|l_timer(|
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|00006350| 74 65 20 64 6f 75 62 6c | 65 20 62 75 66 66 65 72 |te doubl|e buffer|
|00006360| 0d 0a 20 20 20 20 62 75 | 66 66 65 72 20 3d 20 63 |..    bu|ffer = c|
|00006370| 72 65 61 74 65 5f 62 69 | 74 6d 61 70 28 53 43 52 |reate_bi|tmap(SCR|
|00006380| 45 45 4e 5f 57 2c 53 43 | 52 45 45 4e 5f 48 29 3b |EEN_W,SC|REEN_H);|
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|000063c0| 74 2c 20 22 4d 75 6c 74 | 69 54 68 72 65 61 64 20 |t, "Mult|iThread |
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|000063f0| 20 20 30 2c 20 30 2c 20 | 57 48 49 54 45 29 3b 0d |  0, 0, |WHITE);.|
+--------+-------------------------+-------------------------+--------+--------+
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