# include <config.h>
#endif
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include SG_GLU_H
-
#include <simgear/constants.h>
#include <simgear/misc/sg_path.hxx>
+#include <osg/GLU>
#include <Main/globals.hxx>
#include <Main/viewmgr.hxx>
_font_renderer(new fntRenderer()),
_font(0),
_font_size(0.0),
- _style(0)
+ _style(0),
+ _clip_box(0)
{
SG_LOG(SG_COCKPIT, SG_INFO, "Initializing HUD Instrument");
_scr_heightN->removeChangeListener(this);
_unitsN->removeChangeListener(this);
delete _font_renderer;
+ delete _clip_box;
deque<Item *>::const_iterator it, end = _items.end();
for (it = _items.begin(); it != end; ++it)
delete *it;
+ end = _ladders.end();
+ for (it = _ladders.begin(); it != end; ++it)
+ delete *it;
}
if (!isVisible())
return;
- if (!_items.size())
+ if (!_items.size() && !_ladders.size())
return;
if (is3D()) {
}
setColor();
+ _clip_box->set();
+
deque<Item *>::const_iterator it, end = _items.end();
for (it = _items.begin(); it != end; ++it)
if ((*it)->isEnabled())
glDisable(GL_LINE_STIPPLE);
}
+ // ladders last, as they can have their own clip planes
+ end = _ladders.end();
+ for (it = _ladders.begin(); it != end; ++it)
+ if ((*it)->isEnabled())
+ (*it)->draw();
+
+ _clip_box->unset();
+
if (isAntialiased()) {
glDisable(GL_ALPHA_TEST);
glDisable(GL_LINE_SMOOTH);
if (!level) {
SG_LOG(SG_INPUT, TREE, endl << "load " << file);
_items.erase(_items.begin(), _items.end());
+ _ladders.erase(_ladders.begin(), _ladders.end());
} else if (level > MAXNEST) {
SG_LOG(SG_INPUT, SG_ALERT, "HUD: files nested more than " << MAXNEST << " levels");
return 0x1;
return 0x8;
}
+ delete _clip_box;
+ _clip_box = new ClipBox(fgGetNode("/sim/hud/clipping"), x, y);
+
for (int i = 0; i < root.nChildren(); i++) {
SGPropertyNode *n = root.getChild(i);
const char *d = n->getStringValue("name", 0);
item = static_cast<Item *>(new TurnBankIndicator(this, n, x, y));
} else if (!strcmp(name, "ladder")) {
item = static_cast<Item *>(new Ladder(this, n, x, y));
+ _ladders.insert(_ladders.begin(), item);
+ continue;
} else if (!strcmp(name, "runway")) {
item = static_cast<Item *>(new Runway(this, n, x, y));
} else if (!strcmp(name, "aiming-reticle")) {
}
-
-
void HUD::textAlign(fntRenderer *rend, const char *s, int align,
- float *x, float *y, float *l, float *r, float *t, float *b)
+ float *x, float *y, float *l, float *r, float *b, float *t)
{
fntFont *font = rend->getFont();
float gap = font->getGap();
}
+ClipBox::ClipBox(const SGPropertyNode *n, float xoffset, float yoffset) :
+ _active(false),
+ _xoffs(xoffset),
+ _yoffs(yoffset)
+{
+ if (!n)
+ return;
+
+ // const_cast is necessary because ATM there's no matching getChild(const ...)
+ // prototype and getNode(const ..., <bool>) is wrongly interpreted as
+ // getNode(const ..., <int>)
+ _top_node = (const_cast<SGPropertyNode *>(n))->getChild("top", 0, true);
+ _bot_node = (const_cast<SGPropertyNode *>(n))->getChild("bottom", 0, true);
+ _left_node = (const_cast<SGPropertyNode *>(n))->getChild("left", 0, true);
+ _right_node = (const_cast<SGPropertyNode *>(n))->getChild("right", 0, true);
+
+ _left[0] = 1.0, _left[1] = _left[2] = 0.0;
+ _right[0] = -1.0, _right[1] = _right[2] = 0.0;
+ _top[0] = 0.0, _top[1] = -1.0, _top[2] = 0.0;
+ _bot[0] = 0.0, _bot[1] = 1.0, _bot[2] = 0.0;
+ _active = true;
+}
+
+
+void ClipBox::set()
+{
+ if (!_active)
+ return;
+
+ _left[3] = -_left_node->getDoubleValue() - _xoffs;
+ _right[3] = _right_node->getDoubleValue() + _xoffs;
+ _bot[3] = -_bot_node->getDoubleValue() - _yoffs;
+ _top[3] = _top_node->getDoubleValue() + _yoffs;
+
+ glClipPlane(GL_CLIP_PLANE0, _top);
+ glEnable(GL_CLIP_PLANE0);
+ glClipPlane(GL_CLIP_PLANE1, _bot);
+ glEnable(GL_CLIP_PLANE1);
+ glClipPlane(GL_CLIP_PLANE2, _left);
+ glEnable(GL_CLIP_PLANE2);
+ glClipPlane(GL_CLIP_PLANE3, _right);
+ glEnable(GL_CLIP_PLANE3);
+}
+
+
+void ClipBox::unset()
+{
+ if (_active) {
+ glDisable(GL_CLIP_PLANE0);
+ glDisable(GL_CLIP_PLANE1);
+ glDisable(GL_CLIP_PLANE2);
+ glDisable(GL_CLIP_PLANE3);
+ }
+}