/*
* Copyright (c) 2005-2011 Hypertriton, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Construction geometry: Single point.
*/
#include
#include
#include
#include
SG_Point *
SG_PointNew(void *parent, const char *name, const M_Vector3 *v)
{
SG_Point *pt;
pt = Malloc(sizeof(SG_Point));
AG_ObjectInitNamed(pt, &sgPointClass, name);
AG_ObjectAttach(parent, pt);
if (v != NULL) {
SG_Translatev(pt, *v);
}
return (pt);
}
static void
Init(void *_Nonnull obj)
{
SG_Point *pt = obj;
pt->size = 5.0;
}
static int
Load(void *_Nonnull obj, AG_DataSource *_Nonnull buf, const AG_Version *_Nonnull ver)
{
SG_Point *pt = obj;
pt->size = AG_ReadFloat(buf);
return (0);
}
static int
Save(void *_Nonnull obj, AG_DataSource *_Nonnull buf)
{
SG_Point *pt = obj;
AG_WriteFloat(buf, pt->size);
return (0);
}
static void *_Nullable
Edit(void *_Nonnull p, SG_View *_Nullable sgv)
{
SG_Point *pt = p;
AG_Mutex *lock = &OBJECT(pt)->pvt.lock;
AG_Box *box;
AG_Numerical *num;
box = AG_BoxNew(NULL, AG_BOX_VERT, AG_BOX_HFILL);
num = AG_NumericalNew(box, 0, "px", _("Point size"));
AG_BindFloatMp(num, "value", &pt->size, lock);
return (box);
}
static void
Draw(void *_Nonnull obj, SG_View *_Nonnull view)
{
SG_Point *pt = obj;
SG_Geom *geom = SGGEOM(pt);
float ptSaved;
if (pt->size == 0)
return;
GL_PushAttrib(GL_LIGHTING_BIT);
GL_Disable(GL_LIGHTING);
GL_GetFloatv(GL_POINT_SIZE, &ptSaved);
GL_PointSize(pt->size);
GL_Begin(GL_POINTS);
{
GL_Color4v(&geom->c);
GL_Vertex2(0.0, 0.0);
}
GL_End();
GL_PointSize(ptSaved);
GL_PopAttrib();
}
/* Set a point size for rendering. */
void
SG_PointSize(void *obj, M_Real size)
{
SG_Point *pt = obj;
AG_ObjectLock(pt);
pt->size = (float)size;
AG_ObjectUnlock(pt);
}
SG_NodeClass sgPointClass = {
{
"SG_Node:SG_Geom:SG_Point",
sizeof(SG_Point),
{ 0,0 },
Init,
NULL, /* free */
NULL, /* destroy */
Load,
Save,
SG_NodeEdit
},
NULL, /* menuInstance */
NULL, /* menuClass */
Draw,
NULL, /* intersect */
Edit
};