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<a href="#libg3d-model.description" class="shortcut">Description</a>
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<div class="refentry">
<a name="libg3d-model"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libg3d-model.top_of_page"></a>model</span></h2>
<p>model — Model manipulation functions</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="libg3d-model.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <g3d/g3d.h>
#define <a class="link" href="libg3d-model.html#G3D-MODEL-CENTER:CAPS" title="G3D_MODEL_CENTER">G3D_MODEL_CENTER</a>
#define <a class="link" href="libg3d-model.html#G3D-MODEL-NOCHECK:CAPS" title="G3D_MODEL_NOCHECK">G3D_MODEL_NOCHECK</a>
#define <a class="link" href="libg3d-model.html#G3D-MODEL-OPTIMIZE:CAPS" title="G3D_MODEL_OPTIMIZE">G3D_MODEL_OPTIMIZE</a>
#define <a class="link" href="libg3d-model.html#G3D-MODEL-SCALE:CAPS" title="G3D_MODEL_SCALE">G3D_MODEL_SCALE</a>
<a class="link" href="libg3d-model.html#G3DModel" title="G3DModel">G3DModel</a>;
<a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * <a class="link" href="libg3d-model.html#g3d-model-new" title="g3d_model_new ()">g3d_model_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * <a class="link" href="libg3d-model.html#g3d-model-load" title="g3d_model_load ()">g3d_model_load</a> (<em class="parameter"><code><a class="link" href="libg3d-context.html#G3DContext" title="G3DContext"><span class="type">G3DContext</span></a> *context</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>);
<a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * <a class="link" href="libg3d-model.html#g3d-model-load-full" title="g3d_model_load_full ()">g3d_model_load_full</a> (<em class="parameter"><code><a class="link" href="libg3d-context.html#G3DContext" title="G3DContext"><span class="type">G3DContext</span></a> *context</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>,
<em class="parameter"><code><span class="type">guint32</span> flags</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libg3d-model.html#g3d-model-check" title="g3d_model_check ()">g3d_model_check</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libg3d-model.html#g3d-model-center" title="g3d_model_center ()">g3d_model_center</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libg3d-model.html#g3d-model-transform" title="g3d_model_transform ()">g3d_model_transform</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="libg3d-matrix.html#G3DMatrix" title="G3DMatrix"><span class="type">G3DMatrix</span></a> *matrix</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libg3d-model.html#g3d-model-clear" title="g3d_model_clear ()">g3d_model_clear</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libg3d-model.html#g3d-model-free" title="g3d_model_free ()">g3d_model_free</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);
<a class="link" href="libg3d-object.html#G3DObject" title="G3DObject"><span class="returnvalue">G3DObject</span></a> * <a class="link" href="libg3d-model.html#g3d-model-get-object-by-name" title="g3d_model_get_object_by_name ()">g3d_model_get_object_by_name</a> (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="libg3d-model.description"></a><h2>Description</h2>
<p>
A model is a group of objects. All information loaded from a file by libg3d
is found in this model.
</p>
</div>
<div class="refsect1">
<a name="libg3d-model.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="G3D-MODEL-CENTER:CAPS"></a><h3>G3D_MODEL_CENTER</h3>
<pre class="programlisting">#define G3D_MODEL_CENTER (1 << 1)
</pre>
<p>
The model should be centered around the (0,0,0).
</p>
</div>
<hr>
<div class="refsect2">
<a name="G3D-MODEL-NOCHECK:CAPS"></a><h3>G3D_MODEL_NOCHECK</h3>
<pre class="programlisting">#define G3D_MODEL_NOCHECK (1 << 3)
</pre>
<p>
The common checks should be disabled. The checks include:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">faces have at least 3 indices</li>
<li class="listitem">face indices are <= number of vertices</li>
<li class="listitem">material of faces is not NULL</li>
</ul></div>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="G3D-MODEL-OPTIMIZE:CAPS"></a><h3>G3D_MODEL_OPTIMIZE</h3>
<pre class="programlisting">#define G3D_MODEL_OPTIMIZE (1 << 2)
</pre>
<p>
The model material/object/face lists should be serialized to some private
arrays (deprecated).
</p>
</div>
<hr>
<div class="refsect2">
<a name="G3D-MODEL-SCALE:CAPS"></a><h3>G3D_MODEL_SCALE</h3>
<pre class="programlisting">#define G3D_MODEL_SCALE (1 << 0)
</pre>
<p>
The model should be scaled to a maximum extension of +/- 10.0.
</p>
</div>
<hr>
<div class="refsect2">
<a name="G3DModel"></a><h3>G3DModel</h3>
<pre class="programlisting">typedef struct {
gchar *filename;
GSList *materials;
GSList *objects;
} G3DModel;
</pre>
<p>
A 3D model.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><span class="type">gchar</span> *<em class="structfield"><code><a name="G3DModel.filename"></a>filename</code></em>;</span></p></td>
<td>file name or URI of loaded model, may be set by application</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">GSList</span> *<em class="structfield"><code><a name="G3DModel.materials"></a>materials</code></em>;</span></p></td>
<td>list of materials (<a class="link" href="libg3d-material.html#G3DMaterial" title="G3DMaterial"><span class="type">G3DMaterial</span></a>)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">GSList</span> *<em class="structfield"><code><a name="G3DModel.objects"></a>objects</code></em>;</span></p></td>
<td>list of objects (<a class="link" href="libg3d-object.html#G3DObject" title="G3DObject"><span class="type">G3DObject</span></a>)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-new"></a><h3>g3d_model_new ()</h3>
<pre class="programlisting"><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * g3d_model_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
This functions allocates and initializes a new G3DModel.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly allocated G3DModel</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-load"></a><h3>g3d_model_load ()</h3>
<pre class="programlisting"><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * g3d_model_load (<em class="parameter"><code><a class="link" href="libg3d-context.html#G3DContext" title="G3DContext"><span class="type">G3DContext</span></a> *context</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>);</pre>
<p>
Loads a model from a file. The model is checked, centered, resized,
optimized.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>context</code></em> :</span></p></td>
<td>a valid context</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>filename</code></em> :</span></p></td>
<td>the file name of the model to load</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the loaded model or NULL in case of an error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-load-full"></a><h3>g3d_model_load_full ()</h3>
<pre class="programlisting"><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="returnvalue">G3DModel</span></a> * g3d_model_load_full (<em class="parameter"><code><a class="link" href="libg3d-context.html#G3DContext" title="G3DContext"><span class="type">G3DContext</span></a> *context</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>,
<em class="parameter"><code><span class="type">guint32</span> flags</code></em>);</pre>
<p>
Loads a model from a file. Depending on <em class="parameter"><code>flags</code></em> the model is checked,
centered, resized, optimized.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>context</code></em> :</span></p></td>
<td>a valid context</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>filename</code></em> :</span></p></td>
<td>the file name of the model to load</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>object manipulation flags</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the loaded model or NULL in case of an error.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-check"></a><h3>g3d_model_check ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> g3d_model_check (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);</pre>
<p>
Checks whether a model returned by plugin is valid.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model to check</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE on success, FALSE on error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-center"></a><h3>g3d_model_center ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> g3d_model_center (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);</pre>
<p>
Translates all object coordinates that the object center is at (0, 0, 0)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model to center</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE on success, FALSE on error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-transform"></a><h3>g3d_model_transform ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> g3d_model_transform (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="libg3d-matrix.html#G3DMatrix" title="G3DMatrix"><span class="type">G3DMatrix</span></a> *matrix</code></em>);</pre>
<p>
Transform all toplevel objects in model with matrix.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>matrix</code></em> :</span></p></td>
<td>transformation matrix</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE on success, FALSE else</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-clear"></a><h3>g3d_model_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g3d_model_clear (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);</pre>
<p>
Removes all objects from a model.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model to clear</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-free"></a><h3>g3d_model_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g3d_model_free (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>);</pre>
<p>
Frees all memory allocated for the model including all objects, materials
and textures.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model to free</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g3d-model-get-object-by-name"></a><h3>g3d_model_get_object_by_name ()</h3>
<pre class="programlisting"><a class="link" href="libg3d-object.html#G3DObject" title="G3DObject"><span class="returnvalue">G3DObject</span></a> * g3d_model_get_object_by_name (<em class="parameter"><code><a class="link" href="libg3d-model.html#G3DModel" title="G3DModel"><span class="type">G3DModel</span></a> *model</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>);</pre>
<p>
Searches the object tree for an object with the given name.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>the model containing all objects</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>the name of the requested object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested object or NULL if non was found</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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