Programming Linux Games phần 8 pps

... Initialize the penguin position data. */ init_penguins(); /* Animate 30 0 frames (approximately 10 seconds). */ for (frames = 0; frames < 30 0; frames++) { /* Draw the background image. */ src.x = 0; src.y ... (10,10) to (25 ,30 ), relative to the position of the window. SDL would report this as an SDL MOUSEMOTION event. The event structure’s motion.x and motion.y fields would contain 25...

Ngày tải lên: 06/08/2014, 09:20

... 126 CHAPTER 4 Mono Stereo 8 bit 16 bit 8 bit 16 bit 11025 Hz 11,025 22,050 22,050 44 ,100 22050 Hz 22,050 44 ,100 44 ,100 88,200 44 100 Hz 44 ,100 88,200 88,200 176 ,40 0 Table 4 1: Storage consumed ... 6); SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); /* Create a 640 x480, 16 bit window with support for OpenGL rendering. Unfortunately we won’t know whether this is hardware accelerated. *...

Ngày tải lên: 06/08/2014, 09:20

... dmabuffer_size/2; for (i = 0; i < amount; i++) { dmabuffer[i] = samples[position+i]; } LINUX AUDIO PROGRAMMING 1 95 error, but unable to respond immediately, such as when it’s not ready for more data. ... 200 CHAPTER 5 Returns Open file descriptor connected to the ESD server. This might be a pipe or a socket. Returns < 0 on failure. Parameters flags—ESD playback flags. See Listing...

Ngày tải lên: 06/08/2014, 09:20

... samples and 2 for 16- bit samples. signedflag—1 to request signed samples, 0 to request unsigned samples. In practice, 16- bit samples are almost always signed (−32, 768 32, 767 ) and 8-bit samples ... never processes more than 4,0 96 bytes, regardless of how much data you request. I’m sure there’s a perfectly good reason for this, but it escapes me. LINUX AUDIO PROGRAMMING 217 if (alGe...

Ngày tải lên: 06/08/2014, 09:20

... different address lengths). connect returns 0 on success and −1 on failure. NETWORKED GAMING WITH LINUX 277 Function connect(sock, addr, addr len) Synopsis Attempts to establish a network connection ... several possible ways to make this control available to the script. NETWORKED GAMING WITH LINUX 279 Code Listing 7 1 (tcpclient.c) /* A simple TCP/IP client program that uses sockets....

Ngày tải lên: 06/08/2014, 09:20

... very difficult. The problem is pretty simple, actually. Most major online games use a client/server model (see page 301). Client/server games should theoretically do all of the game world’s processing ... hacked clients would be of no consequence, and games like Half-Life would be free of cheaters. For basic performance reasons, however, very few games actually work this way. If a clien...

Ngày tải lên: 06/08/2014, 09:20

... GAMING WITH THE LINUX CONSOLE 3 49 In case this simple event interface doesn’t fit your application’s needs, GPM also provides ... %s\n", SDL_GetError()); return 1; } /* Draw a diagonal line across the screen. */ DrawLine16(screen, 0, 0, 6 39, 4 79, 0xFFFF); SDL_UpdateRect(screen, 0, 0, 0, 0); /* Pause. */ SDL_Delay(5000); return 0; } I would ... line), but I find these descriptions som...

Ngày tải lên: 06/08/2014, 09:20

... specific to their “parent” Linux distributions; SuSE, Caldera, and TurboLinux are RPM-based, and Debian’s packaging system has found its way into Corel Linux and Storm Linux (which are actually ... Standard Filesystem Hierarchy Standard, 393–397 Chapter 10 To Every Man a Linux Distribution You’ve probably noticed that there are a lot of Linux distributions floating around the Int...

Ngày tải lên: 06/08/2014, 09:20

... very reflective 0.0 0.0 0.0 0.76 ## -1 0.0 10.0 -1 0.0 10.0 10.0 -1 0.0 10.0 10.0 -8 .0 -1 0.0 10.0 -8 .0 This code can only correctly deal with square polygons. Adding support for ... HRESULT hr; hr = Graphics( )-& gt;GetDevice( )-& gt;CreateVertexBuffer( m_nVerts * sizeof( sVertex ), D3DUSAGE_WRITEONLY, D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX1,...

Ngày tải lên: 08/08/2014, 23:20

... call a little later, after we’ve discussed some addressing issues. 588 Chapter 15 b544977 Ch15.qxd 12/1/03 8: 57 AM Page 588 Figure 15-1 Socket Options There are many options that you can use ... s_port)); 606 Chapter 15 b544977 Ch15.qxd 12/1/03 8: 57 AM Page 606 16 Programming GNOME Using GTK+ So far in this book, we’ve covered the major topics in Linux programming that deal wi...

Ngày tải lên: 09/08/2014, 14:21

... Arguments #!/usr/bin/env python # Foundations of Python Network Programming - Chapter 16 - shell.py # A simple shell, so you can try running commands in the absence of # any special characters ... the python interpreter in the virtual environment to run the program shown in Listing 15–3. Listing 15–3. Listing IMAP Folders with IMAPClient #!/usr/bin/env python # Found...

Ngày tải lên: 12/08/2014, 19:20

... Inside Perl 81 7 lib /usr/local/lib /perl5 /5.7.0/i 686 –linux /usr/local/lib /perl5 /5.7.0 /usr/local/lib /perl5 /site _perl/ 5.7.0/i 686 –linux /usr/local/lib /perl5 /site _perl/ 5.7.0 /usr/local/lib /perl5 /site _perl How ... set: SV = PVNV(0x80f76 48) at 0x8109b84 REFCNT = 1 FLAGS = (NOK,POK,pNOK,pPOK) IV = 0 NV = 2701 PV = 0x81022e0 "2701"\0 CUR = 4 LEN = 5 It is interestin...

Ngày tải lên: 12/08/2014, 23:23

... Damage = D8 + STR + Weapon Damage - Defender’s AC Some games apply a different die roll based on the type of weapon, such as a 2D6 for a two-handed sword, 2D8 for a two-handed mace, and 1D10 for a ... calculate normal damage. Damage = D8 + STR + Weapon Damage - Defender’s AC Damage = roll (1 -8) + 18 + roll (2 -8) - 26 Damage = roll (3) + 18 + roll (7) - 26 Damage = 3 + 18 +7-26=2 Ha...

Ngày tải lên: 14/08/2014, 01:20