// #define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \
// MAX(sizeof(GLUvertex),sizeof(GLUface))))
private GLUtessellatorImpl()
{
state = TessState.T_DORMANT;
normal[0] = 0;
normal[1] = 0;
normal[2] = 0;
relTolerance = GLU_TESS_DEFAULT_TOLERANCE;
windingRule = GLU.GLU_TESS_WINDING_ODD;
flagBoundary = false;
boundaryOnly = false;
callBegin = NULL_CB;
callEdgeFlag = NULL_CB;
callVertex = NULL_CB;
callEnd = NULL_CB;
callError = NULL_CB;
callCombine = NULL_CB;
// callMesh = NULL_CB;
callBeginData = NULL_CB;
callEdgeFlagData = NULL_CB;
callVertexData = NULL_CB;
callEndData = NULL_CB;
callErrorData = NULL_CB;
callCombineData = NULL_CB;
polygonData = null;
for (int i = 0; i < cache.Length; i++)
{
cache[i] = new CachedVertex();
}
}
/**
* Prepares this GLUTessellatorSupport's internal GLU tessellator for use. This initializes the internal
* GLUtessellator to a new instance by invoking {@link javax.media.opengl.glu.GLU#gluNewTess()}, and configures the
* tessellator with the specified callback and normal with calls to {@link javax.media.opengl.glu.GLU#gluTessCallback(javax.media.opengl.glu.GLUtessellator,
* int, javax.media.opengl.glu.GLUtessellatorCallback)} and {@link javax.media.opengl.glu.GLU#gluTessNormal(javax.media.opengl.glu.GLUtessellator,
* double, double, double)}, respectively.
*
* @param callback the callback to configure the GLU tessellator with.
* @param normal the normal to configure the GLU tessellator with.
*
* @throws ArgumentException if the callback or the normal is null.
*/
public void beginTessellation(GLUtessellatorCallback callback, Vec4 normal)
{
if (callback == null)
{
String message = Logging.getMessage("nullValue.CallbackIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (normal == null)
{
String message = Logging.getMessage("nullValue.NormalIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
this.tess = GLU.gluNewTess();
GLU.gluTessNormal(this.tess, normal.x, normal.y, normal.z);
GLU.gluTessCallback(this.tess, GLU.GLU_TESS_BEGIN, callback);
GLU.gluTessCallback(this.tess, GLU.GLU_TESS_VERTEX, callback);
GLU.gluTessCallback(this.tess, GLU.GLU_TESS_END, callback);
GLU.gluTessCallback(this.tess, GLU.GLU_TESS_COMBINE, callback);
}
public virtual void gluTessCallback(int which, GLUtessellatorCallback aCallback)
{
switch (which)
{
case GLU.GLU_TESS_BEGIN:
callBegin = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_BEGIN_DATA:
callBeginData = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_EDGE_FLAG:
callEdgeFlag = aCallback == null?NULL_CB:aCallback;
/* If the client wants boundary edges to be flagged,
* we render everything as separate triangles (no strips or fans).
*/
flagBoundary = aCallback != null;
return;
case GLU.GLU_TESS_EDGE_FLAG_DATA:
callEdgeFlagData = callBegin = aCallback == null?NULL_CB:aCallback;
/* If the client wants boundary edges to be flagged,
* we render everything as separate triangles (no strips or fans).
*/
flagBoundary = (aCallback != null);
return;
case GLU.GLU_TESS_VERTEX:
callVertex = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_VERTEX_DATA:
callVertexData = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_END:
callEnd = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_END_DATA:
callEndData = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_ERROR:
callError = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_ERROR_DATA:
callErrorData = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_COMBINE:
callCombine = aCallback == null?NULL_CB:aCallback;
return;
case GLU.GLU_TESS_COMBINE_DATA:
callCombineData = aCallback == null?NULL_CB:aCallback;
return;
// case GLU_TESS_MESH:
// callMesh = aCallback == null ? NULL_CB : aCallback;
// return;
default:
callErrorOrErrorData(GLU.GLU_INVALID_ENUM);
return;
}
}
public virtual void gluTessCallback(int which, GLUtessellatorCallback aCallback)
{
switch (which)
{
case GLU.GLU_TESS_BEGIN:
callBegin = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_BEGIN_DATA:
callBeginData = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_EDGE_FLAG:
callEdgeFlag = aCallback == null?NULL_CB:aCallback;
/* If the client wants boundary edges to be flagged,
* we render everything as separate triangles (no strips or fans).
*/
flagBoundary = aCallback != null;
return ;
case GLU.GLU_TESS_EDGE_FLAG_DATA:
callEdgeFlagData = callBegin = aCallback == null?NULL_CB:aCallback;
/* If the client wants boundary edges to be flagged,
* we render everything as separate triangles (no strips or fans).
*/
flagBoundary = (aCallback != null);
return ;
case GLU.GLU_TESS_VERTEX:
callVertex = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_VERTEX_DATA:
callVertexData = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_END:
callEnd = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_END_DATA:
callEndData = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_ERROR:
callError = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_ERROR_DATA:
callErrorData = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_COMBINE:
callCombine = aCallback == null?NULL_CB:aCallback;
return ;
case GLU.GLU_TESS_COMBINE_DATA:
callCombineData = aCallback == null?NULL_CB:aCallback;
return ;
// case GLU_TESS_MESH:
// callMesh = aCallback == null ? NULL_CB : aCallback;
// return;
default:
callErrorOrErrorData(GLU.GLU_INVALID_ENUM);
return ;
}
}
private int state; /* what begin/end calls have we seen? */
#endregion Fields
#region Constructors
// #define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \
// MAX(sizeof(GLUvertex),sizeof(GLUface))))
private GLUtessellatorImpl()
{
state = TessState.T_DORMANT;
normal[0] = 0;
normal[1] = 0;
normal[2] = 0;
relTolerance = GLU_TESS_DEFAULT_TOLERANCE;
windingRule = GLU.GLU_TESS_WINDING_ODD;
flagBoundary = false;
boundaryOnly = false;
callBegin = NULL_CB;
callEdgeFlag = NULL_CB;
callVertex = NULL_CB;
callEnd = NULL_CB;
callError = NULL_CB;
callCombine = NULL_CB;
// callMesh = NULL_CB;
callBeginData = NULL_CB;
callEdgeFlagData = NULL_CB;
callVertexData = NULL_CB;
callEndData = NULL_CB;
callErrorData = NULL_CB;
callCombineData = NULL_CB;
polygonData = null;
for (int i = 0; i < cache.Length; i++)
{
cache[i] = new CachedVertex();
}
}
