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remove readRunway() and let the runway_instr class read the properties in

the constructor
This commit is contained in:
mfranz 2006-06-14 18:41:36 +00:00
parent d1a9512c91
commit b32aa5086a
3 changed files with 202 additions and 185 deletions

View file

@ -284,30 +284,6 @@ readCard(const SGPropertyNode * node)
}// end readCard
static instr_item *
readRunway(const SGPropertyNode * node) {
name = node->getStringValue("name");
x = node->getIntValue("x");
y = node->getIntValue("y");
width = node->getIntValue("width");
height = node->getIntValue("height");
scaling = node->getDoubleValue("scale");
working = node->getBoolValue("working",true);
runway_instr *ri = new runway_instr(x,y,width,height,scaling,working);
double scale = node->getDoubleValue("arrow_scale",1.0);
ri->setDrawArrow((scale>0)?true:false);
ri->setDrawArrowAlways((scale>0)?node->getBoolValue("arrow_always"):false);
ri->setStippleOutline(node->getIntValue("outer_stipple",0xFFFF));
ri->setStippleCenterline(node->getIntValue("center_stipple",0xFFFF));
ri->setArrowRotationRadius(node->getDoubleValue("arrow_radius"));
ri->setArrowScale(scale);
ri->setLineScale(node->getDoubleValue("line_scale",1.0));
ri->setScaleDist(node->getDoubleValue("scale_dist_nm"));
SG_LOG(SG_INPUT, SG_INFO, "Done reading instrument " << name);
return (instr_item *) ri;
}
int readInstrument(const SGPropertyNode * node)
{
static const SGPropertyNode *startup_units_node
@ -354,7 +330,7 @@ int readInstrument(const SGPropertyNode * node)
int nTbis = tbi_group->nChildren();
for (int j = 0; j < nTbis; j++) {
HIptr = static_cast<instr_item *>(new fgTBI_instr(tbi_group->getChild(j)));
HUD_deque.insert( HUD_deque.begin(), HIptr);
HUD_deque.insert(HUD_deque.begin(), HIptr);
}
}
@ -362,13 +338,12 @@ int readInstrument(const SGPropertyNode * node)
if (rwy_group != 0) {
int nRwy = rwy_group->nChildren();
for (int j = 0; j < nRwy; j++) {
SG_LOG(SG_COCKPIT, SG_DEBUG, "*** Reading runway properties ***");
HIptr = readRunway(rwy_group->getChild(j));
HUD_deque.insert( HUD_deque.begin(), HIptr);
HIptr = static_cast<instr_item *>(new runway_instr(rwy_group->getChild(j)));
HUD_deque.insert(HUD_deque.begin(), HIptr);
}
}
return 0;
}//end readinstrument
} //end readinstrument
int readHud( istream &input )

View file

@ -436,7 +436,7 @@ public:
FLTFNPTR data_source,
float data_scaling,
UINT options,
bool working = true,
bool working = true,
int digit = 0);
instr_item( const instr_item & image );
@ -455,19 +455,23 @@ public:
POINT get_centroid ( void ) { return mid_span; }
UINT get_options ( void ) { return opts; }
int get_digits ( void ) { return digits; }
inline int get_x() const { return scrn_pos.left; }
inline int get_y() const { return scrn_pos.top; }
inline int get_width() const { return scrn_pos.right; }
inline int get_height() const { return scrn_pos.bottom; }
UINT huds_vert (UINT options) { return( options & HUDS_VERT ); }
UINT huds_left (UINT options) { return( options & HUDS_LEFT ); }
UINT huds_right (UINT options) { return( options & HUDS_RIGHT ); }
UINT huds_vert (UINT options) { return (options & HUDS_VERT); }
UINT huds_left (UINT options) { return (options & HUDS_LEFT); }
UINT huds_right (UINT options) { return (options & HUDS_RIGHT); }
UINT huds_both (UINT options) {
return( (options & HUDS_BOTH) == HUDS_BOTH );
return ((options & HUDS_BOTH) == HUDS_BOTH);
}
UINT huds_noticks (UINT options) { return( options & HUDS_NOTICKS ); }
UINT huds_notext (UINT options) { return( options & HUDS_NOTEXT ); }
UINT huds_top (UINT options) { return( options & HUDS_TOP ); }
UINT huds_bottom (UINT options) { return( options & HUDS_BOTTOM ); }
UINT huds_noticks (UINT options) { return (options & HUDS_NOTICKS); }
UINT huds_notext (UINT options) { return (options & HUDS_NOTEXT); }
UINT huds_top (UINT options) { return (options & HUDS_TOP); }
UINT huds_bottom (UINT options) { return (options & HUDS_BOTTOM); }
virtual void display_enable( bool working ) { is_enabled = !! working;}
virtual void display_enable( bool working ) { is_enabled = working;}
virtual void update( void );
virtual void break_display ( bool bad );
@ -624,45 +628,49 @@ public:
//
// fgRunway_instr This class is responsible for rendering the active runway
// in the hud (if visible).
// fgRunway_instr This class is responsible for rendering the active runway
// in the hud (if visible).
class runway_instr : public instr_item {
private:
void boundPoint(const sgdVec3& v, sgdVec3& m);
bool boundOutsidePoints(sgdVec3& v, sgdVec3& m);
bool drawLine(const sgdVec3& a1, const sgdVec3& a2, const sgdVec3& p1, const sgdVec3& p2);
bool drawLine(const sgdVec3& a1, const sgdVec3& a2,
const sgdVec3& p1, const sgdVec3& p2);
void drawArrow();
bool get_active_runway(FGRunway& rwy);
void get_rwy_points(sgdVec3 *points);
void setLineWidth(void);
sgdVec3 points3d[6],points2d[6];
double mm[16],pm[16], arrowScale, arrowRad, lnScale, scaleDist, default_pitch, default_heading;
sgdVec3 points3d[6], points2d[6];
double mm[16],pm[16], arrowScale, arrowRad, lnScale;
double scaleDist, default_pitch, default_heading;
GLint view[4];
FGRunway runway;
FGViewer* cockpit_view;
unsigned short stippleOut,stippleCen;
bool drawIA,drawIAAlways;
unsigned short stippleOut, stippleCen;
bool drawIA, drawIAAlways;
RECT location;
POINT center;
public:
runway_instr( int x,
int y,
int width,
int height,
float scale_data,
bool working = true);
runway_instr(const SGPropertyNode *);
virtual void draw( void ); // Required method in base class
void setArrowRotationRadius(double radius);
void setArrowScale(double scale); // Scales the runway indication arrow
void setDrawArrow(bool draw); // Draws arrow when runway is not visible in HUD if draw=true
void setDrawArrowAlways(bool draw); //Always draws arrow if draw=true;
void setLineScale(double scale); //Sets the maximum line scale
void setScaleDist(double dist_nm); //Sets the distance where to start scaling the lines
void setStippleOutline(unsigned short stipple); //Sets the stipple pattern of the outline of the runway
void setStippleCenterline(unsigned short stipple); //Sets the stipple patter of the center line of the runway
virtual void draw( void );
void setArrowRotationRadius(double radius);
// Scales the runway indication arrow
void setArrowScale(double scale);
// Draws arrow when runway is not visible in HUD if draw=true
void setDrawArrow(bool draw);
//Always draws arrow if draw=true;
void setDrawArrowAlways(bool draw);
//Sets the maximum line scale
void setLineScale(double scale);
//Sets the distance where to start scaling the lines
void setScaleDist(double dist_nm);
//Sets the stipple pattern of the outline of the runway
void setStippleOutline(unsigned short stipple);
//Sets the stipple patter of the center line of the runway
void setStippleCenterline(unsigned short stipple);
};

View file

@ -36,38 +36,55 @@
#include SG_GLU_H
#include <ATC/ATCutils.hxx>
runway_instr::runway_instr(int x,
int y,
int width,
int height,
float scale_data,
bool working) :
instr_item(x, y, width, height, NULL, scale_data, 0, working)
// int x, int y, int width, int height, float scale_data, bool working)
runway_instr::runway_instr(const SGPropertyNode *node) :
instr_item(
node->getIntValue("x"),
node->getIntValue("y"),
node->getIntValue("width"),
node->getIntValue("height"),
NULL,
node->getDoubleValue("scale"),
0,
node->getBoolValue("working", true)),
arrowScale(node->getDoubleValue("arrow_scale", 1.0)),
arrowRad(node->getDoubleValue("arrow_radius")),
lnScale(node->getDoubleValue("line_scale", 1.0)),
scaleDist(node->getDoubleValue("scale_dist_nm")),
default_pitch(fgGetDouble("/sim/view[0]/config/pitch-pitch-deg", 0.0)),
default_heading(fgGetDouble("/sim/view[0]/config/pitch-heading-deg", 0.0)),
cockpit_view(globals->get_viewmgr()->get_view(0)),
stippleOut(node->getIntValue("outer_stipple", 0xFFFF)),
stippleCen(node->getIntValue("center_stipple", 0xFFFF)),
drawIA(arrowScale > 0 ? true : false),
drawIAAlways(arrowScale > 0 ? node->getBoolValue("arrow_always") : false)
{
stippleOut=0xFFFF;
stippleCen=0xFFFF;
arrowScale = 1.0;
arrowRad = 0.0;
SG_LOG(SG_INPUT, SG_INFO, "Done reading runway instrument "
<< node->getStringValue("name"));
view[0] = 0;
view[1] = 0;
view[2] = 640;
view[3] = 480;
center.x = view[2]>>1;
center.y = view[3]>>1;
location.left = center.x-(width>>1)+x;
location.right = center.x+(width>>1)+x;
location.bottom = center.y-(height>>1)+y;
location.top = center.y+(height>>1)+y;
cockpit_view = globals->get_viewmgr()->get_view(0);
default_heading = fgGetDouble("/sim/view[0]/config/pitch-heading-deg",0.0);
default_pitch = fgGetDouble("/sim/view[0]/config/pitch-pitch-deg",0.0);
center.x = view[2] >> 1;
center.y = view[3] >> 1;
location.left = center.x - (get_width() >> 1) + get_x();
location.right = center.x + (get_width() >>1) + get_x();
location.bottom = center.y - (get_height() >>1) + get_y();
location.top = center.y + (get_height() >> 1) + get_y();
}
void runway_instr::draw() {
void runway_instr::draw()
{
if (!is_broken() && get_active_runway(runway)) {
glPushAttrib(GL_LINE_STIPPLE | GL_LINE_STIPPLE_PATTERN | GL_LINE_WIDTH);
float modelView[4][4],projMat[4][4];
float modelView[4][4], projMat[4][4];
bool anyLines;
//Get the current view
FGViewer* curr_view = globals->get_viewmgr()->get_current_view();
@ -77,8 +94,8 @@ void runway_instr::draw() {
double po = curr_view->getPitchOffset_deg();
double ho = curr_view->getHeadingOffset_deg();
double yaw = -(cockpit_view->getHeadingOffset_deg()-default_heading)*SG_DEGREES_TO_RADIANS;
double pitch = (cockpit_view->getPitchOffset_deg()-default_pitch)*SG_DEGREES_TO_RADIANS;
double yaw = -(cockpit_view->getHeadingOffset_deg() - default_heading) * SG_DEGREES_TO_RADIANS;
double pitch = (cockpit_view->getPitchOffset_deg() - default_pitch) * SG_DEGREES_TO_RADIANS;
//double roll = fgGetDouble("/sim/view[0]/config/roll-offset-deg",0.0) //TODO: adjust for default roll offset
double sPitch = sin(pitch), cPitch = cos(pitch),
sYaw = sin(yaw), cYaw = cos(yaw);
@ -98,41 +115,46 @@ void runway_instr::draw() {
ssgGetModelviewMatrix(modelView);
//Create a rotation matrix to correct for any offsets (other than default offsets) to the model view matrix
sgMat4 xy; //rotation about the Rxy, negate the sin's on Ry
xy[0][0]=cYaw; xy[1][0]=0.0f; xy[2][0]=-sYaw; xy[3][0]=0.0f;
xy[0][1]=sPitch*-sYaw; xy[1][1]=cPitch; xy[2][1]=-sPitch*cYaw; xy[3][1]=0.0f;
xy[0][2]=cPitch*sYaw; xy[1][2]=sPitch; xy[2][2]=cPitch*cYaw; xy[3][2]=0.0f;
xy[0][3]=0.0f; xy[1][3]=0.0f; xy[2][3]=0.0f; xy[3][3]=1.0f;
xy[0][0] = cYaw; xy[1][0] = 0.0f; xy[2][0] = -sYaw; xy[3][0] = 0.0f;
xy[0][1] = sPitch*-sYaw; xy[1][1] = cPitch; xy[2][1] = -sPitch*cYaw; xy[3][1] = 0.0f;
xy[0][2] = cPitch*sYaw; xy[1][2] = sPitch; xy[2][2] = cPitch*cYaw; xy[3][2] = 0.0f;
xy[0][3] = 0.0f; xy[1][3] = 0.0f; xy[2][3] = 0.0f; xy[3][3] = 1.0f;
//Re-center the model view
sgPostMultMat4(modelView,xy);
//copy float matrices to double
for (int i=0; i<4; i++) {
for (int j=0; j<4; j++) {
int idx = (i*4)+j;
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
int idx = (i * 4) + j;
mm[idx] = (double)modelView[i][j];
pm[idx] = (double)projMat[i][j];
}
}
//Calculate the 2D points via gluProject
int result = GL_TRUE;
for (int i=0; i<6; i++) {
result = gluProject(points3d[i][0],points3d[i][1],points3d[i][2],mm,pm,view,&points2d[i][0],&points2d[i][1],&points2d[i][2]);
for (int i = 0; i < 6; i++) {
result = gluProject(points3d[i][0], points3d[i][1], points3d[i][2], mm,
pm, view, &points2d[i][0], &points2d[i][1], &points2d[i][2]);
}
//set the line width based on our distance from the runway
setLineWidth();
//Draw the runway lines on the HUD
glEnable(GL_LINE_STIPPLE);
glLineStipple(1,stippleOut);
glLineStipple(1, stippleOut);
anyLines =
drawLine(points3d[0],points3d[1],points2d[0],points2d[1]) | //draw top
drawLine(points3d[2],points3d[1],points2d[2],points2d[1]) | //draw right
drawLine(points3d[2],points3d[3],points2d[2],points2d[3]) | //draw bottom
drawLine(points3d[3],points3d[0],points2d[3],points2d[0]); //draw left
glLineStipple(1,stippleCen);
anyLines |= drawLine(points3d[5],points3d[4],points2d[5],points2d[4]); //draw center
drawLine(points3d[0], points3d[1], points2d[0], points2d[1]) | //draw top
drawLine(points3d[2], points3d[1], points2d[2], points2d[1]) | //draw right
drawLine(points3d[2], points3d[3], points2d[2], points2d[3]) | //draw bottom
drawLine(points3d[3], points3d[0], points2d[3], points2d[0]); //draw left
glLineStipple(1, stippleCen);
anyLines |= drawLine(points3d[5], points3d[4], points2d[5], points2d[4]); //draw center
//Check to see if arrow needs drawn
if ((!anyLines && drawIA) || drawIAAlways) {
drawArrow(); //draw indication arrow
}
//Restore the current view and any offsets
if (curr_view_id != 0) {
globals->get_viewmgr()->set_view(curr_view_id);
@ -149,15 +171,17 @@ void runway_instr::draw() {
}
bool runway_instr::get_active_runway(FGRunway& runway) {
FGEnvironment stationweather =
((FGEnvironmentMgr *)globals->get_subsystem("environment"))->getEnvironment();
double hdg = stationweather.get_wind_from_heading_deg();
return globals->get_runways()->search( fgGetString("/sim/presets/airport-id"), int(hdg), &runway);
bool runway_instr::get_active_runway(FGRunway& runway)
{
FGEnvironment stationweather =
((FGEnvironmentMgr *)globals->get_subsystem("environment"))->getEnvironment();
double hdg = stationweather.get_wind_from_heading_deg();
return globals->get_runways()->search(fgGetString("/sim/presets/airport-id"), int(hdg), &runway);
}
void runway_instr::get_rwy_points(sgdVec3 *points3d) {
void runway_instr::get_rwy_points(sgdVec3 *points3d)
{
static Point3D center = globals->get_scenery()->get_center();
//Get the current tile center
@ -165,28 +189,28 @@ void runway_instr::get_rwy_points(sgdVec3 *points3d) {
Point3D tileCenter = currentCenter;
if (center != currentCenter) //if changing tiles
tileCenter = center; //use last center
double alt = current_aircraft.fdm_state->get_Runway_altitude()*SG_FEET_TO_METER;
double length = (runway._length/2.0)*SG_FEET_TO_METER;
double width = (runway._width/2.0)*SG_FEET_TO_METER;
double frontLat,frontLon,backLat,backLon,az,tempLat,tempLon;
double alt = current_aircraft.fdm_state->get_Runway_altitude() * SG_FEET_TO_METER;
double length = (runway._length / 2.0) * SG_FEET_TO_METER;
double width = (runway._width / 2.0) * SG_FEET_TO_METER;
double frontLat, frontLon, backLat, backLon,az, tempLat, tempLon;
geo_direct_wgs_84(alt,runway._lat,runway._lon,runway._heading,length,&backLat,&backLon,&az);
sgGeodToCart(backLat*SG_DEGREES_TO_RADIANS,backLon*SG_DEGREES_TO_RADIANS,alt,points3d[4]);
geo_direct_wgs_84(alt, runway._lat, runway._lon, runway._heading, length, &backLat, &backLon, &az);
sgGeodToCart(backLat * SG_DEGREES_TO_RADIANS, backLon * SG_DEGREES_TO_RADIANS, alt, points3d[4]);
geo_direct_wgs_84(alt,runway._lat,runway._lon,runway._heading+180,length,&frontLat,&frontLon,&az);
sgGeodToCart(frontLat*SG_DEGREES_TO_RADIANS,frontLon*SG_DEGREES_TO_RADIANS,alt,points3d[5]);
geo_direct_wgs_84(alt, runway._lat, runway._lon, runway._heading + 180, length, &frontLat, &frontLon, &az);
sgGeodToCart(frontLat * SG_DEGREES_TO_RADIANS, frontLon * SG_DEGREES_TO_RADIANS, alt, points3d[5]);
geo_direct_wgs_84(alt,backLat,backLon,runway._heading+90,width,&tempLat,&tempLon,&az);
sgGeodToCart(tempLat*SG_DEGREES_TO_RADIANS,tempLon*SG_DEGREES_TO_RADIANS,alt,points3d[0]);
geo_direct_wgs_84(alt, backLat, backLon, runway._heading + 90, width, &tempLat, &tempLon, &az);
sgGeodToCart(tempLat * SG_DEGREES_TO_RADIANS, tempLon * SG_DEGREES_TO_RADIANS, alt, points3d[0]);
geo_direct_wgs_84(alt,backLat,backLon,runway._heading-90,width,&tempLat,&tempLon,&az);
sgGeodToCart(tempLat*SG_DEGREES_TO_RADIANS,tempLon*SG_DEGREES_TO_RADIANS,alt,points3d[1]);
geo_direct_wgs_84(alt, backLat, backLon, runway._heading - 90, width, &tempLat, &tempLon, &az);
sgGeodToCart(tempLat * SG_DEGREES_TO_RADIANS, tempLon * SG_DEGREES_TO_RADIANS, alt, points3d[1]);
geo_direct_wgs_84(alt,frontLat,frontLon,runway._heading-90,width,&tempLat,&tempLon,&az);
sgGeodToCart(tempLat*SG_DEGREES_TO_RADIANS,tempLon*SG_DEGREES_TO_RADIANS,alt,points3d[2]);
geo_direct_wgs_84(alt, frontLat, frontLon, runway._heading - 90, width, &tempLat, &tempLon, &az);
sgGeodToCart(tempLat * SG_DEGREES_TO_RADIANS, tempLon * SG_DEGREES_TO_RADIANS, alt, points3d[2]);
geo_direct_wgs_84(alt,frontLat,frontLon,runway._heading+90,width,&tempLat,&tempLon,&az);
sgGeodToCart(tempLat*SG_DEGREES_TO_RADIANS,tempLon*SG_DEGREES_TO_RADIANS,alt,points3d[3]);
geo_direct_wgs_84(alt, frontLat, frontLon, runway._heading + 90, width, &tempLat, &tempLon, &az);
sgGeodToCart(tempLat * SG_DEGREES_TO_RADIANS, tempLon * SG_DEGREES_TO_RADIANS, alt, points3d[3]);
for (int i = 0; i < 6; i++) {
points3d[i][0] -= tileCenter.x();
@ -197,14 +221,17 @@ void runway_instr::get_rwy_points(sgdVec3 *points3d) {
}
bool runway_instr::drawLine(const sgdVec3& a1, const sgdVec3& a2, const sgdVec3& point1, const sgdVec3& point2) {
bool runway_instr::drawLine(const sgdVec3& a1, const sgdVec3& a2, const sgdVec3& point1, const sgdVec3& point2)
{
sgdVec3 p1, p2;
sgdCopyVec3(p1, point1);
sgdCopyVec3(p2, point2);
bool p1Inside = (p1[0]>=location.left && p1[0]<=location.right && p1[1]>=location.bottom && p1[1]<=location.top);
bool p1Inside = (p1[0] >= location.left && p1[0] <= location.right
&& p1[1] >= location.bottom && p1[1] <= location.top);
bool p1Insight = (p1[2] >= 0.0 && p1[2] < 1.0);
bool p1Valid = p1Insight && p1Inside;
bool p2Inside = (p2[0]>=location.left && p2[0]<=location.right && p2[1]>=location.bottom && p2[1]<=location.top);
bool p2Inside = (p2[0] >= location.left && p2[0] <= location.right
&& p2[1] >= location.bottom && p2[1] <= location.top);
bool p2Insight = (p2[2] >= 0.0 && p2[2] < 1.0);
bool p2Valid = p2Insight && p2Inside;
@ -215,41 +242,43 @@ bool runway_instr::drawLine(const sgdVec3& a1, const sgdVec3& a2, const sgdVec3&
glEnd();
} else if (p1Valid) { //p1 is valid and p2 is not, calculate a new valid point
sgdVec3 vec = {a2[0]-a1[0], a2[1]-a1[1], a2[2]-a1[2]};
sgdVec3 vec = {a2[0] - a1[0], a2[1] - a1[1], a2[2] - a1[2]};
//create the unit vector
sgdScaleVec3(vec,1.0/sgdLengthVec3(vec));
sgdScaleVec3(vec, 1.0 / sgdLengthVec3(vec));
sgdVec3 newPt;
sgdCopyVec3(newPt,a1);
sgdAddVec3(newPt,vec);
if (gluProject(newPt[0],newPt[1],newPt[2],mm,pm,view,&p2[0],&p2[1],&p2[2]) && (p2[2]>0&&p2[2]<1.0) ) {
boundPoint(p1,p2);
sgdCopyVec3(newPt, a1);
sgdAddVec3(newPt, vec);
if (gluProject(newPt[0], newPt[1], newPt[2], mm, pm, view, &p2[0], &p2[1], &p2[2])
&& (p2[2] > 0 && p2[2] < 1.0)) {
boundPoint(p1, p2);
glBegin(GL_LINES);
glVertex2d(p1[0],p1[1]);
glVertex2d(p2[0],p2[1]);
glVertex2d(p1[0], p1[1]);
glVertex2d(p2[0], p2[1]);
glEnd();
}
} else if (p2Valid) { //p2 is valid and p1 is not, calculate a new valid point
sgdVec3 vec = {a1[0]-a2[0], a1[1]-a2[1], a1[2]-a2[2]};
sgdVec3 vec = {a1[0] - a2[0], a1[1] - a2[1], a1[2] - a2[2]};
//create the unit vector
sgdScaleVec3(vec,1.0/sgdLengthVec3(vec));
sgdScaleVec3(vec, 1.0 / sgdLengthVec3(vec));
sgdVec3 newPt;
sgdCopyVec3(newPt,a2);
sgdAddVec3(newPt,vec);
if (gluProject(newPt[0],newPt[1],newPt[2],mm,pm,view,&p1[0],&p1[1],&p1[2]) && (p1[2]>0&&p1[2]<1.0)) {
boundPoint(p2,p1);
sgdCopyVec3(newPt, a2);
sgdAddVec3(newPt, vec);
if (gluProject(newPt[0], newPt[1], newPt[2], mm, pm, view, &p1[0], &p1[1], &p1[2])
&& (p1[2] > 0 && p1[2] < 1.0)) {
boundPoint(p2, p1);
glBegin(GL_LINES);
glVertex2d(p2[0],p2[1]);
glVertex2d(p1[0],p1[1]);
glVertex2d(p2[0], p2[1]);
glVertex2d(p1[0], p1[1]);
glEnd();
}
} else if (p1Insight && p2Insight) { //both points are insight, but not inside
bool v = boundOutsidePoints(p1,p2);
bool v = boundOutsidePoints(p1, p2);
if (v) {
glBegin(GL_LINES);
glVertex2d(p1[0],p1[1]);
glVertex2d(p2[0],p2[1]);
glVertex2d(p1[0], p1[1]);
glVertex2d(p2[0], p2[1]);
glEnd();
}
return v;
@ -259,7 +288,8 @@ bool runway_instr::drawLine(const sgdVec3& a1, const sgdVec3& a2, const sgdVec3&
}
void runway_instr::boundPoint(const sgdVec3& v, sgdVec3& m) {
void runway_instr::boundPoint(const sgdVec3& v, sgdVec3& m)
{
double y = v[1];
if (m[1] < v[1])
y = location.bottom;
@ -267,40 +297,41 @@ void runway_instr::boundPoint(const sgdVec3& v, sgdVec3& m) {
y = location.top;
if (m[0] == v[0]) {
m[1]=y;
m[1] = y;
return; //prevent divide by zero
}
double slope = (m[1]-v[1])/(m[0]-v[0]);
m[0] = (y-v[1])/slope + v[0];
double slope = (m[1] - v[1]) / (m[0] - v[0]);
m[0] = (y - v[1]) / slope + v[0];
m[1] = y;
if (m[0] < location.left) {
m[0] = location.left;
m[1] = slope * (location.left-v[0])+v[1];
m[1] = slope * (location.left - v[0]) + v[1];
} else if (m[0] > location.right) {
m[0] = location.right;
m[1] = slope * (location.right-v[0])+v[1];
m[1] = slope * (location.right - v[0]) + v[1];
}
}
bool runway_instr::boundOutsidePoints(sgdVec3& v, sgdVec3& m) {
bool pointsInvalid = (v[1]>location.top && m[1]>location.top) ||
(v[1]<location.bottom && m[1]<location.bottom) ||
(v[0]>location.right && m[0]>location.right) ||
(v[0]<location.left && m[0]<location.left);
bool runway_instr::boundOutsidePoints(sgdVec3& v, sgdVec3& m)
{
bool pointsInvalid = (v[1] > location.top && m[1] > location.top) ||
(v[1] < location.bottom && m[1] < location.bottom) ||
(v[0] > location.right && m[0] > location.right) ||
(v[0] < location.left && m[0] < location.left);
if (pointsInvalid)
return false;
if (m[0] == v[0]) {//x's are equal, vertical line
if (m[1]>v[1]) {
m[1]=location.top;
v[1]=location.bottom;
if (m[1] > v[1]) {
m[1] = location.top;
v[1] = location.bottom;
} else {
v[1]=location.top;
m[1]=location.bottom;
v[1] = location.top;
m[1] = location.bottom;
}
return true;
}
@ -316,8 +347,8 @@ bool runway_instr::boundOutsidePoints(sgdVec3& v, sgdVec3& m) {
return true;
}
double slope = (m[1]-v[1])/(m[0]-v[0]);
double b = v[1]-(slope*v[0]);
double slope = (m[1] - v[1]) / (m[0] - v[0]);
double b = v[1] - (slope * v[0]);
double y1 = slope * location.left + b;
double y2 = slope * location.right + b;
double x1 = (location.bottom - b) / slope;
@ -360,48 +391,51 @@ bool runway_instr::boundOutsidePoints(sgdVec3& v, sgdVec3& m) {
return (counter == 2);
}
void runway_instr::drawArrow() {
void runway_instr::drawArrow()
{
Point3D ac(0.0), rwy(0.0);
ac.setlat(current_aircraft.fdm_state->get_Latitude_deg());
ac.setlon(current_aircraft.fdm_state->get_Longitude_deg());
rwy.setlat(runway._lat);
rwy.setlon(runway._lon);
float theta = GetHeadingFromTo(ac,rwy);
float theta = GetHeadingFromTo(ac, rwy);
theta -= fgGetDouble("/orientation/heading-deg");
theta = -theta;
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslated((location.right+location.left)/2.0,(location.top+location.bottom)/2.0,0.0);
glRotated(theta,0.0,0.0,1.0);
glTranslated(0.0,arrowRad,0.0);
glScaled(arrowScale,arrowScale,0.0);
glTranslated((location.right + location.left) / 2.0,(location.top + location.bottom) / 2.0, 0.0);
glRotated(theta, 0.0, 0.0, 1.0);
glTranslated(0.0, arrowRad, 0.0);
glScaled(arrowScale, arrowScale, 0.0);
glBegin(GL_TRIANGLES);
glVertex2d(-5.0,12.5);
glVertex2d(0.0,25.0);
glVertex2d(5.0,12.5);
glVertex2d(-5.0, 12.5);
glVertex2d(0.0, 25.0);
glVertex2d(5.0, 12.5);
glEnd();
glBegin(GL_QUADS);
glVertex2d(-2.5,0.0);
glVertex2d(-2.5,12.5);
glVertex2d(2.5,12.5);
glVertex2d(2.5,0.0);
glVertex2d(-2.5, 0.0);
glVertex2d(-2.5, 12.5);
glVertex2d(2.5, 12.5);
glVertex2d(2.5, 0.0);
glEnd();
glPopMatrix();
}
void runway_instr::setLineWidth() {
void runway_instr::setLineWidth()
{
//Calculate the distance from the runway, A
double course, distance;
calc_gc_course_dist(Point3D(runway._lon*SGD_DEGREES_TO_RADIANS, runway._lat*SGD_DEGREES_TO_RADIANS, 0.0),
Point3D(current_aircraft.fdm_state->get_Longitude(),current_aircraft.fdm_state->get_Latitude(), 0.0 ),
&course, &distance);
calc_gc_course_dist(Point3D(runway._lon * SGD_DEGREES_TO_RADIANS,
runway._lat * SGD_DEGREES_TO_RADIANS, 0.0),
Point3D(current_aircraft.fdm_state->get_Longitude(),
current_aircraft.fdm_state->get_Latitude(), 0.0 ),
&course, &distance);
distance *= SG_METER_TO_NM;
//Get altitude above runway, B
double alt_nm = get_agl();
static const SGPropertyNode *startup_units_node
= fgGetNode("/sim/startup/units");
static const SGPropertyNode *startup_units_node = fgGetNode("/sim/startup/units");
if (!strcmp(startup_units_node->getStringValue(), "feet"))
alt_nm *= SG_FEET_TO_METER*SG_METER_TO_NM;
@ -409,11 +443,11 @@ void runway_instr::setLineWidth() {
alt_nm *= SG_METER_TO_NM;
//Calculate distance away from runway, C = v(A²+B²)
distance = sqrt(alt_nm*alt_nm + distance*distance);
distance = sqrt(alt_nm * alt_nm + distance*distance);
if (distance < scaleDist)
glLineWidth( 1.0+( (lnScale-1)*( (scaleDist-distance)/scaleDist)));
glLineWidth(1.0 + ((lnScale - 1) * ((scaleDist - distance) / scaleDist)));
else
glLineWidth( 1.0 );
glLineWidth(1.0);
}