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A08_multiplayer_demo_client.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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<h2></h2>
<div class="highlight"><pre><span></span><span class="c1"># Filename: A08_multiplayer_demo_client.py</span>
<span class="c1"># Written by: James D. Miller</span>
<span class="kn">import</span> <span class="nn">sys</span><span class="o">,</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">pygame</span>
<span class="c1"># PyGame Constants</span>
<span class="kn">from</span> <span class="nn">pygame.locals</span> <span class="kn">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">pygame.color</span> <span class="kn">import</span> <span class="n">THECOLORS</span>
<span class="c1"># Network stuff. Note "connection" is a single instantiation.</span>
<span class="kn">from</span> <span class="nn">PodSixNet.Connection</span> <span class="kn">import</span> <span class="n">connection</span><span class="p">,</span> <span class="n">ConnectionListener</span>
<span class="c1"># Argument parsing...</span>
<span class="kn">import</span> <span class="nn">argparse</span>
<span class="c1">#=======================================================================</span>
<span class="c1"># Classes </span>
<span class="c1">#=======================================================================</span>
<span class="k">class</span> <span class="nc">NetworkListener</span><span class="p">(</span><span class="n">ConnectionListener</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="p">(</span><span class="n">host</span><span class="p">,</span> <span class="n">port</span><span class="p">)):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">Connect</span><span class="p">((</span><span class="n">host</span><span class="p">,</span> <span class="n">port</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_colors</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'C1'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"green"</span><span class="p">],</span> <span class="s1">'C2'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"tan"</span><span class="p">],</span><span class="s1">'C3'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"black"</span><span class="p">],</span><span class="s1">'C4'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"blue"</span><span class="p">],</span>
<span class="s1">'C5'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"pink"</span><span class="p">],</span> <span class="s1">'C6'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"red"</span><span class="p">],</span><span class="s1">'C7'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"coral"</span><span class="p">],</span><span class="s1">'C8'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span>
<span class="s1">'C9'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"grey80"</span><span class="p">],</span><span class="s1">'C10'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"rosybrown3"</span><span class="p">]}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">background_color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"white"</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_name</span> <span class="o">=</span> <span class="s1">'C0'</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"black"</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">Network_hello</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
<span class="k">global</span> <span class="n">Player_ID</span><span class="p">,</span> <span class="n">user_state</span>
<span class="nb">print</span> <span class="s2">"Network_hello:"</span><span class="p">,</span> <span class="n">data</span>
<span class="n">Player_ID</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'P_ID'</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_name</span> <span class="o">=</span> <span class="s1">'C'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">Player_ID</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">background_color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"yellow"</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_color</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">client_colors</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span>
<span class="c1"># Initialize user state dictionary.</span>
<span class="n">user_state</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'action'</span><span class="p">:</span> <span class="s1">'CN'</span><span class="p">,</span>
<span class="s1">'ID'</span><span class="p">:</span> <span class="n">Player_ID</span><span class="p">,</span>
<span class="s1">'mouseXY'</span><span class="p">:(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">),</span> <span class="s1">'mouseB1'</span><span class="p">:</span><span class="s1">'U'</span><span class="p">,</span>
<span class="s1">'a'</span><span class="p">:</span><span class="s1">'U'</span><span class="p">,</span> <span class="s1">'s'</span><span class="p">:</span><span class="s1">'U'</span><span class="p">,</span>
<span class="s1">'d'</span><span class="p">:</span><span class="s1">'U'</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">:</span><span class="s1">'U'</span><span class="p">}</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">set_caption</span><span class="p">(</span><span class="s2">"Client: GamePad #"</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">Player_ID</span><span class="p">))</span>
<span class="c1">#=======================================================================</span>
<span class="c1"># Functions </span>
<span class="c1">#=======================================================================</span>
<span class="k">def</span> <span class="nf">signoff</span><span class="p">(</span><span class="n">user_state</span><span class="p">):</span>
<span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">checkforUserInput</span><span class="p">(</span><span class="n">user_state</span><span class="p">):</span>
<span class="c1"># Check the button status.</span>
<span class="p">(</span><span class="n">button1</span><span class="p">,</span> <span class="n">button2</span><span class="p">,</span> <span class="n">button3</span><span class="p">)</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">mouse</span><span class="o">.</span><span class="n">get_pressed</span><span class="p">()</span>
<span class="c1"># Get all the events since the last call to get().</span>
<span class="k">for</span> <span class="n">event</span> <span class="ow">in</span> <span class="n">pygame</span><span class="o">.</span><span class="n">event</span><span class="o">.</span><span class="n">get</span><span class="p">():</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">QUIT</span><span class="p">):</span>
<span class="n">signoff</span><span class="p">(</span><span class="n">user_state</span><span class="p">)</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">KEYDOWN</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span> <span class="o">==</span> <span class="n">K_ESCAPE</span><span class="p">):</span>
<span class="n">signoff</span><span class="p">(</span><span class="n">user_state</span><span class="p">)</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_c</span><span class="p">):</span>
<span class="n">client_display</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"blue"</span><span class="p">])</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_1</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">1</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_2</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">2</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_3</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">3</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_a</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'a'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_s</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'s'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_d</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'d'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_w</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'w'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">KEYUP</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_a</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'a'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_s</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'s'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_d</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'d'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_w</span><span class="p">):</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'w'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">MOUSEBUTTONDOWN</span><span class="p">:</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'mouseB1'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">MOUSEBUTTONUP</span><span class="p">:</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'mouseB1'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="c1"># cursor x,y</span>
<span class="n">user_state</span><span class="p">[</span><span class="s1">'mouseXY'</span><span class="p">]</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">mouse</span><span class="o">.</span><span class="n">get_pos</span><span class="p">()</span>
<span class="c1">#=======================================================================</span>
<span class="c1"># Main program statements </span>
<span class="c1">#=======================================================================</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">init</span><span class="p">()</span>
<span class="n">client_display</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">set_mode</span><span class="p">((</span><span class="mi">600</span><span class="p">,</span><span class="mi">400</span><span class="p">))</span>
<span class="c1"># Instantiate clock to help control the framerate.</span>
<span class="n">client_clock</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">time</span><span class="o">.</span><span class="n">Clock</span><span class="p">()</span>
<span class="c1"># Background color of the game pad. </span>
<span class="n">client_display</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"grey"</span><span class="p">])</span>
<span class="c1"># Font object for rendering text onto display surface.</span>
<span class="n">fnt</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">font</span><span class="o">.</span><span class="n">SysFont</span><span class="p">(</span><span class="s2">"Arial"</span><span class="p">,</span> <span class="mi">14</span><span class="p">)</span>
<span class="n">Player_ID</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">parser</span> <span class="o">=</span> <span class="n">argparse</span><span class="o">.</span><span class="n">ArgumentParser</span><span class="p">(</span><span class="n">description</span><span class="o">=</span><span class="s1">'Input client parameters.'</span><span class="p">)</span>
<span class="c1"># Example IP address used here; edit this line.</span>
<span class="n">parser</span><span class="o">.</span><span class="n">add_argument</span><span class="p">(</span><span class="s1">'serverIP'</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="nb">str</span><span class="p">,</span> <span class="n">nargs</span><span class="o">=</span><span class="s1">'?'</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s2">"138.236.65.69"</span><span class="p">)</span>
<span class="n">args</span> <span class="o">=</span> <span class="n">parser</span><span class="o">.</span><span class="n">parse_args</span><span class="p">()</span>
<span class="nb">print</span> <span class="s2">"args:"</span><span class="p">,</span> <span class="n">args</span><span class="o">.</span><span class="n">serverIP</span>
<span class="c1"># Initialize the state dictionary</span>
<span class="n">user_state</span> <span class="o">=</span> <span class="p">{}</span>
<span class="c1"># Note, the connection can take place in the NetworkListener or here.</span>
<span class="c1"># This "connection" is an instatiation of the EndPoint class that is done in the Connection.py file.</span>
<span class="c1"># Note, if you do this here, you have to call the "DoConnect" method, not the "Connect" method that </span>
<span class="c1"># is indicated on the web site.</span>
<span class="c1">#connection.DoConnect((args.serverIP, 4330))</span>
<span class="n">network_listener</span> <span class="o">=</span> <span class="n">NetworkListener</span><span class="p">((</span><span class="n">args</span><span class="o">.</span><span class="n">serverIP</span><span class="p">,</span> <span class="mi">4330</span><span class="p">))</span>
<span class="n">framerate_limit</span> <span class="o">=</span> <span class="mi">100</span>
<span class="n">flip_timer</span> <span class="o">=</span> <span class="mf">0.0</span>
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="n">dt_s</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">client_clock</span><span class="o">.</span><span class="n">tick</span><span class="p">(</span><span class="n">framerate_limit</span><span class="p">)</span> <span class="o">*</span> <span class="mf">1e-3</span><span class="p">)</span>
<span class="c1">#client_clock.tick(framerate_limit)</span>
<span class="n">connection</span><span class="o">.</span><span class="n">Pump</span><span class="p">()</span>
<span class="n">network_listener</span><span class="o">.</span><span class="n">Pump</span><span class="p">()</span>
<span class="n">checkforUserInput</span><span class="p">(</span><span class="n">user_state</span><span class="p">)</span>
<span class="k">if</span> <span class="n">Player_ID</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">:</span>
<span class="c1">#print "user_state", user_state</span>
<span class="n">connection</span><span class="o">.</span><span class="n">Send</span><span class="p">(</span><span class="n">user_state</span><span class="p">)</span>
<span class="n">flip_timer</span> <span class="o">+=</span> <span class="n">dt_s</span>
<span class="k">if</span> <span class="p">(</span><span class="n">flip_timer</span> <span class="o">></span> <span class="mf">0.2</span><span class="p">):</span>
<span class="c1"># Background</span>
<span class="n">client_display</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span> <span class="n">network_listener</span><span class="o">.</span><span class="n">background_color</span><span class="p">)</span>
<span class="c1"># Small rectangle to illustrate the client color that will appear on the server screen.</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">rect</span><span class="p">(</span><span class="n">client_display</span><span class="p">,</span> <span class="n">network_listener</span><span class="o">.</span><span class="n">client_color</span><span class="p">,</span> <span class="n">pygame</span><span class="o">.</span><span class="n">Rect</span><span class="p">(</span><span class="mi">50</span><span class="p">,</span> <span class="mi">50</span><span class="p">,</span> <span class="mi">60</span><span class="p">,</span> <span class="mi">20</span><span class="p">),</span> <span class="mi">3</span><span class="p">)</span>
<span class="c1"># Small background rectangle for text</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">rect</span><span class="p">(</span><span class="n">client_display</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"black"</span><span class="p">],</span> <span class="n">pygame</span><span class="o">.</span><span class="n">Rect</span><span class="p">(</span><span class="mi">150</span><span class="p">,</span> <span class="mi">50</span><span class="p">,</span> <span class="mi">35</span><span class="p">,</span> <span class="mi">20</span><span class="p">))</span>
<span class="c1"># Text to be displayed</span>
<span class="n">fps_string</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%.0f</span><span class="s2">"</span> <span class="o">%</span> <span class="n">client_clock</span><span class="o">.</span><span class="n">get_fps</span><span class="p">()</span>
<span class="n">txt_surface</span> <span class="o">=</span> <span class="n">fnt</span><span class="o">.</span><span class="n">render</span><span class="p">(</span><span class="n">fps_string</span><span class="p">,</span> <span class="kc">True</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"white"</span><span class="p">])</span>
<span class="n">client_display</span><span class="o">.</span><span class="n">blit</span><span class="p">(</span><span class="n">txt_surface</span><span class="p">,</span> <span class="p">[</span><span class="mi">158</span><span class="p">,</span> <span class="mi">51</span><span class="p">])</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">flip</span><span class="p">()</span>
<span class="n">flip_timer</span> <span class="o">=</span> <span class="mf">0.0</span>
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