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ZealOS/docs/Demo/Graphics/Shadow.CC.html
TomAwezome 1b75d91002 Fix Mount AHCI Port selection. 
Add arg to SATARep to specify drive types to show.
Add checks in AHCIPortInit to verify port signatures, add helper method to get signatures from port.
2021-08-02 16:40:05 -04:00

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<meta name="generator" content="ZealOS V0.13">
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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF1>F64</span><span class=cF0> theta, phi, omega, s;
<a name="l2"></a></span><span class=cF9>CDC</span><span class=cF0> *dc0, *dc1;
<a name="l3"></a>
<a name="l4"></a>
<a name="l5"></a>
<a name="l6"></a>
<a name="l7"></a>
<a name="l8"></a>
<a name="l9"></a>
<a name="l10"></a>
<a name="l11"></a> </span><span class=cFA>&lt;1&gt;/* Graphics Not Rendered in HTML */</span><span class=cF0>
<a name="l12"></a>
<a name="l13"></a>
<a name="l14"></a>
<a name="l15"></a>
<a name="l16"></a>
<a name="l17"></a>
<a name="l18"></a>
<a name="l19"></a>
<a name="l20"></a>
<a name="l21"></a></span><span class=cF1>U0</span><span class=cF0> GrBlackLighting(</span><span class=cF9>CDC</span><span class=cF0> *dc, </span><span class=cF9>CD3I32</span><span class=cF0> *, </span><span class=cF9>CD3I32</span><span class=cF0> *, </span><span class=cF9>CD3I32</span><span class=cF0> *, </span><span class=cF9>CColorROPU32</span><span class=cF0>)
<a name="l22"></a>{
<a name="l23"></a> dc-&gt;color = </span><span class=cFE>0</span><span class=cF0>;
<a name="l24"></a>}
<a name="l25"></a>
<a name="l26"></a></span><span class=cF1>U0</span><span class=cF0> DrawShadow(</span><span class=cF9>CTask</span><span class=cF0> *task)
<a name="l27"></a>{
<a name="l28"></a> </span><span class=cF9>I64</span><span class=cF0> r[</span><span class=cFE>4</span><span class=cF0>][</span><span class=cFE>4</span><span class=cF0>], *r2;
<a name="l29"></a>
<a name="l30"></a> </span><span class=cF5>Mat4x4IdentEqu</span><span class=cF0>(dc1-&gt;r);
<a name="l31"></a> </span><span class=cF5>Mat4x4RotZ</span><span class=cF0>(dc1-&gt;r, theta);
<a name="l32"></a> </span><span class=cF5>Mat4x4RotX</span><span class=cF0>(dc1-&gt;r, phi);
<a name="l33"></a> </span><span class=cF5>Mat4x4RotZ</span><span class=cF0>(dc1-&gt;r, omega);
<a name="l34"></a> </span><span class=cF5>Mat4x4Scale</span><span class=cF0>(dc1-&gt;r, s);
<a name="l35"></a> </span><span class=cF5>Mat4x4TranslationEqu</span><span class=cF0>(dc1-&gt;r, </span><span class=cFE>200</span><span class=cF0>, </span><span class=cFE>200</span><span class=cF0>, </span><span class=cFE>5000</span><span class=cF0>);
<a name="l36"></a> dc1-&gt;flags |= </span><span class=cF3>DCF_TRANSFORMATION</span><span class=cF0>;
<a name="l37"></a> </span><span class=cF5>DCMat4x4Set</span><span class=cF0>(dc1, dc1-&gt;r);
<a name="l38"></a>
<a name="l39"></a> </span><span class=cF5>MemSet</span><span class=cF0>(r, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF0>r</span><span class=cF7>)</span><span class=cF0>);
<a name="l40"></a>
<a name="l41"></a> r[</span><span class=cFE>0</span><span class=cF0>][</span><span class=cFE>0</span><span class=cF0>] = </span><span class=cF3>GR_SCALE</span><span class=cF0>;
<a name="l42"></a> r[</span><span class=cFE>1</span><span class=cF0>][</span><span class=cFE>1</span><span class=cF0>] = </span><span class=cF3>GR_SCALE</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>; </span><span class=cF2>//Pick a plane for the shadow, to suit your taste.</span><span class=cF0>
<a name="l43"></a> r[</span><span class=cFE>1</span><span class=cF0>][</span><span class=cFE>2</span><span class=cF0>] = </span><span class=cF3>GR_SCALE</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>; </span><span class=cF2>//It doesn't have to have a norm of 1.0.</span><span class=cF0>
<a name="l44"></a> r[</span><span class=cFE>2</span><span class=cF0>][</span><span class=cFE>2</span><span class=cF0>] = </span><span class=cF3>GR_SCALE</span><span class=cF0>;
<a name="l45"></a> r[</span><span class=cFE>3</span><span class=cF0>][</span><span class=cFE>3</span><span class=cF0>] = </span><span class=cF3>GR_SCALE</span><span class=cF0>;
<a name="l46"></a>
<a name="l47"></a> </span><span class=cF5>Mat4x4TranslationEqu</span><span class=cF0>(r, </span><span class=cFE>0</span><span class=cF0>, -</span><span class=cFE>2200</span><span class=cF0>, </span><span class=cFE>1000</span><span class=cF0>);
<a name="l48"></a> r2 = </span><span class=cF5>Mat4x4MulMat4x4New</span><span class=cF0>(r, dc1-&gt;r, task);
<a name="l49"></a> </span><span class=cF5>Free</span><span class=cF0>(dc1-&gt;r);
<a name="l50"></a> </span><span class=cF5>DCMat4x4Set</span><span class=cF0>(dc1, r2);
<a name="l51"></a>
<a name="l52"></a> dc1-&gt;lighting = &amp;GrBlackLighting;
<a name="l53"></a> </span><span class=cF5>Sprite3</span><span class=cF0>(dc1, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFA>&lt;1&gt;</span><span class=cF0>);
<a name="l54"></a>}
<a name="l55"></a>
<a name="l56"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>DrawIt</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task, </span><span class=cF9>CDC</span><span class=cF0> *)
<a name="l57"></a>{
<a name="l58"></a> </span><span class=cF5>DCDepthBufReset</span><span class=cF0>(dc0);
<a name="l59"></a> </span><span class=cF5>Mat4x4IdentEqu</span><span class=cF0>(dc0-&gt;r);
<a name="l60"></a> </span><span class=cF5>Mat4x4RotZ</span><span class=cF0>(dc0-&gt;r, theta);
<a name="l61"></a> </span><span class=cF5>Mat4x4RotX</span><span class=cF0>(dc0-&gt;r, phi);
<a name="l62"></a> </span><span class=cF5>Mat4x4RotZ</span><span class=cF0>(dc0-&gt;r, omega);
<a name="l63"></a> </span><span class=cF5>Mat4x4Scale</span><span class=cF0>(dc0-&gt;r, s);
<a name="l64"></a> </span><span class=cF5>Mat4x4TranslationEqu</span><span class=cF0>(dc0-&gt;r, </span><span class=cFE>200</span><span class=cF0>, </span><span class=cFE>200</span><span class=cF0>, </span><span class=cFE>5000</span><span class=cF0>);
<a name="l65"></a> dc0-&gt;flags |= </span><span class=cF3>DCF_TRANSFORMATION</span><span class=cF0>;
<a name="l66"></a> </span><span class=cF5>DCMat4x4Set</span><span class=cF0>(dc0, dc0-&gt;r);
<a name="l67"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>mp_count</span><span class=cF0> &gt; </span><span class=cFE>1</span><span class=cF0>)
<a name="l68"></a> </span><span class=cF5>JobQueue</span><span class=cF0>(&amp;DrawShadow, task, </span><span class=cFE>1</span><span class=cF0>);
<a name="l69"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l70"></a> DrawShadow(task);
<a name="l71"></a> </span><span class=cF5>Sprite3</span><span class=cF0>(dc0, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFA>&lt;1&gt;</span><span class=cF0>);
<a name="l72"></a>}
<a name="l73"></a>
<a name="l74"></a></span><span class=cF1>U0</span><span class=cF0> Shadow()
<a name="l75"></a>{</span><span class=cF2>//The shadow image b.s.</span><span class=cF0> </span><span class=cF2>Any is plausible.</span><span class=cF0>
<a name="l76"></a> dc0 = </span><span class=cF5>DCAlias</span><span class=cF0>(</span><span class=cFB>gr</span><span class=cF0>.dc2, </span><span class=cF5>Fs</span><span class=cF0>);
<a name="l77"></a> dc1 = </span><span class=cF5>DCAlias</span><span class=cF0>(</span><span class=cFB>gr</span><span class=cF0>.dc2, </span><span class=cF5>Fs</span><span class=cF0>);
<a name="l78"></a> </span><span class=cF5>DCDepthBufAlloc</span><span class=cF0>(dc0);
<a name="l79"></a> dc1-&gt;depth_buf = dc0-&gt;depth_buf;
<a name="l80"></a>
<a name="l81"></a> theta = </span><span class=cFE>0</span><span class=cF0>;
<a name="l82"></a> phi = </span><span class=cFE>0</span><span class=cF0>;
<a name="l83"></a> omega = </span><span class=cFE>0</span><span class=cF0>;
<a name="l84"></a> s = </span><span class=cFE>1</span><span class=cF0>.</span><span class=cFE>5</span><span class=cF0>;
<a name="l85"></a>
<a name="l86"></a> </span><span class=cF5>SettingsPush</span><span class=cF0>; </span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/System/TaskSettings.CC.html#l3"><span class=cF4>SettingsPush</span></a><span class=cF0>
<a name="l87"></a> </span><span class=cF5>WinMax</span><span class=cF0>;
<a name="l88"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;draw_it = &amp;</span><span class=cF5>DrawIt</span><span class=cF0>;
<a name="l89"></a>
<a name="l90"></a> </span><span class=cF1>while</span><span class=cF0> (!</span><span class=cF5>CharScan</span><span class=cF0>)
<a name="l91"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l92"></a> theta += </span><span class=cFE>2</span><span class=cF0> * </span><span class=cF3>pi</span><span class=cF0> / </span><span class=cFE>70</span><span class=cF0>;
<a name="l93"></a> phi += </span><span class=cFE>2</span><span class=cF0> * </span><span class=cF3>pi</span><span class=cF0> / </span><span class=cFE>90</span><span class=cF0>;
<a name="l94"></a> omega += </span><span class=cFE>2</span><span class=cF0> * </span><span class=cF3>pi</span><span class=cF0> / </span><span class=cFE>110</span><span class=cF0>;
<a name="l95"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>20</span><span class=cF0>);
<a name="l96"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l97"></a> </span><span class=cF5>SettingsPop</span><span class=cF0>;
<a name="l98"></a> </span><span class=cF5>DCDel</span><span class=cF0>(dc0);
<a name="l99"></a> dc1-&gt;depth_buf = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l100"></a> </span><span class=cF5>DCDel</span><span class=cF0>(dc1);
<a name="l101"></a>}
<a name="l102"></a>
<a name="l103"></a>Shadow;
</span></pre></body>
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