Power::Shaft::Shaft(SimpleXMLTransfer* xml)
{
for (int n=0; n<xml->getChildCount(); n++)
{
SimpleXMLTransfer* it = xml->getChildAt(n);
Gearing* s = (Gearing*)0;
if (it->getName().compare("engine") == 0)
s = new Engine_DCM();
else if (it->getName().compare("propeller") == 0)
s = new Propeller();
else if (it->getName().compare("simplethrust") == 0)
s = new SimpleThrust();
if (s != (Gearing*)0)
gear.push_back(s);
}
}
void Power::Shaft::ReloadParams(SimpleXMLTransfer* xml)
{
int nChildCnt = 0;
double J_ges;
fBrake = (xml->attributeAsInt("brake", 1) != 0);
J_ges = xml->attributeAsDouble("J", 0);
std::cout << " Shaft: J=" << J_ges << " kg m^2\n";
for (int n=0; n<xml->getChildCount(); n++)
{
SimpleXMLTransfer* it = xml->getChildAt(n);
if (it->getName().compare("engine") == 0 ||
it->getName().compare("propeller") == 0 ||
it->getName().compare("simplethrust") == 0
)
{
gear[nChildCnt]->ReloadParams(it);
J_ges += gear[nChildCnt++]->getJ();
}
}
J_inv = 1/J_ges;
}
void CRRCAirplaneLaRCSim::initSound(SimpleXMLTransfer* xml)
{
SimpleXMLTransfer* cfg = XMLModelFile::getConfig(xml);
SimpleXMLTransfer* sndcfg = cfg->getChild("sound", true);
int children = sndcfg->getChildCount();
int units = sndcfg->getInt("units", 0);
for (int i = 0; i < children; i++)
{
SimpleXMLTransfer *child = sndcfg->getChildAt(i);
std::string name = child->getName();
if (name.compare("sample") == 0)
{
T_AirplaneSound *sample;
// assemble relative path
std::string soundfile;
soundfile = child->attribute("filename");
// other sound attributes
int sound_type = child->getInt("type", SOUND_TYPE_GLIDER);
double dPitchFactor = child->getDouble("pitchfactor", 0.002);
double dMaxVolume = child->getDouble("maxvolume", 1.0);
if (dMaxVolume < 0.0)
{
dMaxVolume = 0.0;
}
else if (dMaxVolume > 1.0)
{
dMaxVolume = 1.0;
}
//~ if (cfg->indexOfChild("power") < 0)
//~ max_thrust = 0;
//~ else
//~ max_thrust = 1;
if (soundfile != "")
{
// Get full path (considering search paths).
soundfile = FileSysTools::getDataPath("sounds/" + soundfile);
}
// File ok? Use default otherwise.
if (!FileSysTools::fileExists(soundfile))
soundfile = FileSysTools::getDataPath("sounds/fan.wav");
std::cout << "soundfile: " << soundfile << "\n";
//~ std::cout << "max_thrust: " << max_thrust << "\n";
std::cout << "soundserver: " << Global::soundserver << "\n";
// Only make noise if a sound file is available
if (soundfile != "" && Global::soundserver != (CRRCAudioServer*)0)
{
std::cout << "Using airplane sound " << soundfile << ", type " << sound_type << ", max vol " << dMaxVolume << std::endl;
if (sound_type == SOUND_TYPE_GLIDER)
{
T_GliderSound *glidersound;
float flMinRelV, flMaxRelV, flMaxDist;
flMinRelV = (float)child->getDouble("v_min", 1.5);
flMaxRelV = (float)child->getDouble("v_max", 4.0);
flMaxDist = (float)child->getDouble("dist_max", 300);
if (units == 1)
{
// convert from metric units to ft.
flMaxDist *= M_TO_FT;
}
glidersound = new T_GliderSound(soundfile.c_str(), Global::soundserver->getAudioSpec());
glidersound->setMinRelVelocity(flMinRelV);
glidersound->setMaxRelVelocity(flMaxRelV);
glidersound->setMaxDistanceFeet(flMaxDist);
sample = glidersound;
}
else
{
sample = new T_EngineSound(soundfile.c_str(), Global::soundserver->getAudioSpec());
}
sample->setType(sound_type);
sample->setPitchFactor(dPitchFactor);
sample->setMaxVolume(dMaxVolume);
sample->setChannel(Global::soundserver->playSample((T_SoundSample*)sample));
sound.push_back(sample);
}
}
}
}
/**
* Create a CRRCControlSurfaceAnimation object
*
* Initialize the animation from an
* <animation type="ControlSurface"> tag
*/
CRRCControlSurfaceAnimation::CRRCControlSurfaceAnimation(SimpleXMLTransfer *xml)
: CRRCAnimation(new ssgTransform()), fallback_data(0.0f),
eventAdapter(this, &CRRCControlSurfaceAnimation::axisValueCallback, Event::Input),
aileron(0.0f), elevator(0.0f), rudder(0.0f), throttle(0.0f),
spoiler(0.0f), flap(0.0f), retract(0.0f), pitch(0.0f)
{
bool failed = false;
// evaluate <object> tag
SimpleXMLTransfer *map = xml->getChild("object", true);
symbolic_name = map->getString("name", "no_name_set");
max_angle = (float)(map->getDouble("max_angle", 0.0) * SG_RADIANS_TO_DEGREES);
abs_max_angle = (float)fabs((double)max_angle);
// find hinges and evaluate all <control> tags
int num_controls = 0;
int num_hinges = 0;
for (int i = 0; i < xml->getChildCount(); i++)
{
SimpleXMLTransfer *child = xml->getChildAt(i);
if (child->getName() == "hinge")
{
// found a <hinge> child
sgVec3 pos;
pos[SG_X] = (float)(-1 * child->getDouble("y", 0.0));
pos[SG_Y] = (float)(-1 * child->getDouble("x", 0.0));
pos[SG_Z] = (float)(-1 * child->getDouble("z", 0.0));
if (num_hinges == 0)
{
sgCopyVec3(hinge_1, pos);
}
else if (num_hinges == 1)
{
sgCopyVec3(hinge_2, pos);
}
num_hinges++;
}
else if (child->getName() == "control")
{
// found a <control> child
// The "*2" factor for each gain value scales the control input
// values from -0.5...+0.5 to -1.0...+1.0. This saves one
// float multiplication per mapping in the runtime update() routine.
std::string mapping = child->getString("mapping", "NOTHING");
float gain = (float)child->getDouble("gain", 1.0);
if (mapping == "ELEVATOR")
{
datasource.push_back(&elevator);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "AILERON")
{
datasource.push_back(&aileron);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "THROTTLE")
{
datasource.push_back(&throttle);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "RUDDER")
{
datasource.push_back(&rudder);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "FLAP")
{
datasource.push_back(&flap);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "SPOILER")
{
datasource.push_back(&spoiler);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "RETRACT")
{
datasource.push_back(&retract);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "PITCH")
{
datasource.push_back(&pitch);
source_gain.push_back(gain * 2);
num_controls++;
}
else
{
std::cerr << "ControlSurfaceAnimation: ignoring <control> tag without mapping." << std::endl;
}
}
}
if (num_controls < 1)
{
std::cerr << "ControlSurfaceAnimation: found animation without proper <control> tag. Animation disabled." << std::endl;
failed = true;
}
if (num_hinges < 2)
{
std::cerr << "ControlSurfaceAnimation: Must specify exactly two hinges!" << std::endl;
failed = true;
}
else
{
if (num_hinges > 2)
{
std::cerr << "ControlSurfaceAnimation: Must specify exactly two hinges!" << std::endl;
std::cerr << "ControlSurfaceAnimation: Ignoring excessive hinge tag(s)." << std::endl;
}
sgSubVec3(axis, hinge_2, hinge_1);
if (sgLengthVec3(axis) < 0.001)
{
std::cerr << "ControlSurfaceAnimation: Insufficient spacing between hinges!" << std::endl;
failed = true;
}
}
if (failed)
{
std::cerr << "ControlSurfaceAnimation: Animation setup failed." << std::endl;
// set to some non-critical defaults
datasource.resize(1);
datasource[0] = &fallback_data;
source_gain.resize(1);
source_gain[0] = 1.0;
sgSetVec3(hinge_1, 0.0f, 0.0f, 0.0f);
sgSetVec3(hinge_2, 1.0f, 0.0f, 0.0f);
sgSubVec3(axis, hinge_2, hinge_1);
}
sgMakeIdentMat4(move_to_origin);
move_to_origin[3][0] = -hinge_1[0];
move_to_origin[3][1] = -hinge_1[1];
move_to_origin[3][2] = -hinge_1[2];
sgMakeTransMat4(move_back, hinge_1);
realInit();
}
ModelBasedScenery::ModelBasedScenery(SimpleXMLTransfer *xml, int sky_variant)
: Scenery(xml, sky_variant), location(Scenery::MODEL_BASED)
{
ssgEntity *model = NULL;
SimpleXMLTransfer *scene = xml->getChild("scene", true);
getHeight_mode = scene->attributeAsInt("getHeight_mode", DEFAULT_HEIGHT_MODE);
//std::cout << "----getHeight_mode : " << getHeight_mode <<std::endl;
SceneGraph = new ssgRoot();
// Create an "invisible" state. This state actually makes a node
// visible in a predefined way. This is used to visualize invisible
// objects (e.g. collision boxes).
invisible_state = new ssgSimpleState();
invisible_state->disable(GL_COLOR_MATERIAL);
invisible_state->disable(GL_TEXTURE_2D);
invisible_state->enable(GL_LIGHTING);
invisible_state->enable(GL_BLEND);
//invisible_state->setShadeModel(GL_SMOOTH);
//invisible_state->setShininess(0.0f);
invisible_state->setMaterial(GL_EMISSION, 0.0, 0.0, 0.0, 0.0);
invisible_state->setMaterial(GL_AMBIENT, 1.0, 0.0, 0.0, 0.5);
invisible_state->setMaterial(GL_DIFFUSE, 1.0, 0.0, 0.0, 0.5);
invisible_state->setMaterial(GL_SPECULAR, 1.0, 0.0, 0.0, 0.5);
// transform everything from SSG coordinates to CRRCsim coordinates
initial_trans = new ssgTransform();
SceneGraph->addKid(initial_trans);
//10.76
sgMat4 it = { {1, 0.0, 0.0, 0},
{0.0, 0.0, -1, 0},
{0.0, 1, 0.0, 0},
{0.0, 0.0, 0.0, 1.0}
};
initial_trans->setTransform(it);
// find all "objects" defined in the file
int num_children = scene->getChildCount();
for (int cur_child = 0; cur_child < num_children; cur_child++)
{
SimpleXMLTransfer *kid = scene->getChildAt(cur_child);
// only use "object" tags
if (kid->getName() == "object")
{
std::string filename = kid->attribute("filename", "not_specified");
bool is_terrain = (kid->attributeAsInt("terrain", 1) != 0);
bool is_visible = (kid->attributeAsInt("visible", 1) != 0);
// PLIB automatically loads the texture file,
// but it does not know which directory to use.
// Where is the object file?
std::string of = FileSysTools::getDataPath("objects/" + filename, TRUE);
// compile and set relative texture path
std::string tp = of.substr(0, of.length()-filename.length()-1-7) + "textures";
ssgTexturePath(tp.c_str());
// load model
std::cout << "Loading 3D object \"" << of.c_str() << "\"";
if (is_terrain)
{
std::cout << " (part of terrain)";
}
if (!is_visible)
{
std::cout << " (invisible)";
}
std::cout << std::endl;
model = ssgLoad(of.c_str());
if (model != NULL)
{
if (!is_visible)
{
setToInvisibleState(model);
}
// The model may contain internal node attributes (e.g. for
// integrated collision boxes). Parse these attributes now.
evaluateNodeAttributes(model);
// now parse the instances and place the model in the SceneGraph
for (int cur_instance = 0; cur_instance < kid->getChildCount(); cur_instance++)
{
SimpleXMLTransfer *instance = kid->getChildAt(cur_instance);
if (instance->getName() == "instance")
{
sgCoord coord;
// try north/east/height first, then fallback to x/y/z
try
{
coord.xyz[SG_X] = instance->attributeAsDouble("east");
}
catch (XMLException &e)
{
coord.xyz[SG_X] = instance->attributeAsDouble("y", 0.0);
}
try
{
coord.xyz[SG_Y] = instance->attributeAsDouble("north");
}
catch (XMLException &e)
{
coord.xyz[SG_Y] = instance->attributeAsDouble("x", 0.0);
}
try
{
coord.xyz[SG_Z] = instance->attributeAsDouble("height");
}
catch (XMLException &e)
{
coord.xyz[SG_Z] = instance->attributeAsDouble("z", 0.0);
}
coord.hpr[0] = 180 - instance->attributeAsDouble("h", 0.0);
coord.hpr[1] = -instance->attributeAsDouble("p", 0.0);
coord.hpr[2] = -instance->attributeAsDouble("r", 0.0);
std::cout << std::setprecision(1);
std::cout << " Placing instance at " << coord.xyz[SG_X] << ";" << coord.xyz[SG_Y] << ";" << coord.xyz[SG_Z];
std::cout << ", orientation " << (180-coord.hpr[0]) << ";" << -coord.hpr[1] << ";" << -coord.hpr[2] << std::endl;
std::cout << std::setprecision(6);
ssgTransform *trans = new ssgTransform();
trans->setTransform(&coord);
// In PLIB::SSG, intersection testing is done by a tree-walking
// function. This can be influenced by the tree traversal mask
// bits. The HOT and LOS flags are cleared for objects that are
// not part of the terrain, so that the height-of-terrain and
// line-of-sight algorithms ignore this branch of the tree.
if (!is_terrain)
{
trans->clrTraversalMaskBits(SSGTRAV_HOT | SSGTRAV_LOS);
}
// Objects are made invisible by clearing the CULL traversal flag.
// This means that ssgCullAndDraw will ignore this branch.
if (!is_visible)
{
trans->clrTraversalMaskBits(SSGTRAV_CULL);
}
initial_trans->addKid(trans);
trans->addKid(model);
}
}
}
}
}
// create actual terrain height model
if (getHeight_mode == 1)
{
heightdata = new HD_TabulatedTerrain(SceneGraph);
}
else if (getHeight_mode == 2)
{
heightdata = new HD_TilingTerrain(SceneGraph);
}
else
{
heightdata = new HD_SsgLOSTerrain(SceneGraph);
}
//wind
SimpleXMLTransfer *wind = xml->getChild("wind", true);
std::string wind_filename = wind->attribute("filename","");
#if WINDDATA3D == 1
wind_data = 0;//default : no wind_data
std::string wind_position_unit = wind->attribute("unit","");
try {
flDefaultWindDirection = wind->attributeAsInt("direction");
ImposeWindDirection = true;
}
catch (XMLException)
{
// if not attribut "direction", normal mode
}
if (wind_position_unit.compare("m")==0)
{
wind_position_coef = FT_TO_M;
}
else
{
wind_position_coef = 1;
}
std::cout << "wind file name : " << wind_filename.c_str()<< std::endl;
if (wind_filename.length() > 0)
{
wind_filename = FileSysTools::getDataPath(wind_filename);
std::cout << "init wind ---------";
int n = init_wind_data((wind_filename.c_str()));
std::cout << n << " points processed" << std::endl;
}
#else
if (wind_filename.length() > 0)
{
new CGUIMsgBox("Insufficient configuration to read windfields.");
}
#endif
}
/**
* Create a HardPointRotation
*
* \param xml <animation> part of the model file that contains the
* description of the animation
*/
HardPointRotation::HardPointRotation(SimpleXMLTransfer *xml, TSimInputs const& in)
{
bool failed = false;
// evaluate <object> tag
SimpleXMLTransfer *map = xml->getChild("object", true);
symbolic_name = map->getString("name", "no_name_set");
max_angle_rad = (float)map->getDouble("max_angle", 0.0);
abs_max_angle_rad = (float)fabs((double)max_angle_rad);
// find hinges and evaluate all <control> tags
int num_controls = 0;
int num_hinges = 0;
for (int i = 0; i < xml->getChildCount(); i++)
{
SimpleXMLTransfer *child = xml->getChildAt(i);
if (child->getName() == "hinge")
{
// found a <hinge> child
CRRCMath::Vector3 pos;
pos.r[0] = (float)(child->getDouble("x", 0.0));
pos.r[1] = (float)(child->getDouble("y", 0.0));
pos.r[2] = (float)(child->getDouble("z", 0.0));
if (num_hinges < 2)
{
hinge[num_hinges] = pos;
}
num_hinges++;
}
else if (child->getName() == "control")
{
// found a <control> child
// The "*2" factor for each gain value scales the control input
// values from -0.5...+0.5 to -1.0...+1.0. This saves one
// float multiplication per mapping in the runtime update() routine.
// NB: unsigned control (throttle, spoiler, retract) are not scaled,
// since control input is already in range 0.0...+1.0
std::string mapping = child->getString("mapping", "NOTHING");
float gain = (float)child->getDouble("gain", 1.0);
std::cout << " mapped to " << mapping << " with gain " << gain;
std::cout << " and max_angle_rad " << max_angle_rad << std::endl;
if (mapping == "ELEVATOR")
{
datasource.push_back(&in.elevator);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "AILERON")
{
datasource.push_back(&in.aileron);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "THROTTLE")
{
datasource.push_back(&in.throttle);
source_gain.push_back(gain);
num_controls++;
}
else if (mapping == "RUDDER")
{
datasource.push_back(&in.rudder);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "FLAP")
{
datasource.push_back(&in.flap);
source_gain.push_back(gain * 2);
num_controls++;
}
else if (mapping == "SPOILER")
{
datasource.push_back(&in.spoiler);
source_gain.push_back(gain);
num_controls++;
}
else if (mapping == "RETRACT")
{
datasource.push_back(&in.retract);
source_gain.push_back(gain);
num_controls++;
}
else if (mapping == "PITCH")
{
datasource.push_back(&in.pitch);
source_gain.push_back(gain * 2);
num_controls++;
}
else
{
fprintf(stderr, "HardPointRotation: ignoring <control> tag without mapping.\n");
}
}
}
if (num_controls < 1)
{
fprintf(stderr, "HardPointRotation: found animation without proper <control> tag. Animation disabled.\n");
failed = true;
}
if (num_hinges < 2)
{
fprintf(stderr, "HardPointRotation: Must specify exactly two hinges!\n");
failed = true;
}
else
{
if (num_hinges > 2)
{
fprintf(stderr, "HardPointRotation: Must specify exactly two hinges!\n");
fprintf(stderr, "HardPointRotation: Ignoring excessive hinge tag(s).\n");
}
axis = hinge[1] - hinge[0];
if (axis.length() < 0.001)
{
fprintf(stderr, "HardPointRotation: Insufficient spacing between hinges!\n");
failed = true;
}
}
if (failed)
{
fprintf(stderr, "HardPointRotation: Animation setup failed.\n");
// set to some non-critical defaults
datasource.resize(1);
datasource[0] = &fallback_data;
source_gain.resize(1);
source_gain[0] = 1.0;
hinge[0] = CRRCMath::Vector3(0.0, 0.0, 0.0);
hinge[1] = CRRCMath::Vector3(1.0, 0.0, 0.0);
axis = hinge[1] - hinge[0];
}
else
{
std::cerr << "HardPointRotation: set up animated hardpoint ";
std::cerr << symbolic_name << std::endl;
}
move_orig.makeTranslation(hinge[0] * -1);
move_back.makeTranslation(hinge[0]);
//~ realInit();
}
/** \brief Add animations to a model
*
* This method reads animation description tags from a model file
* and tries to add the corresponding animations to the 3D model.
*
* \todo Right now there's only one type of animation: movable control
* surfaces. Therefore this method receives a pointer to the control
* input class. If animations are added that need a different kind of
* input for their update() method, we need to decide how to pass all
* this stuff to initAnimations().
*
* \param model_file XML model description file
* \param model scenegraph of the 3D model
* \param fInputs pointer to the control input class
* \param anim_list list of all created CRRCAnimation objects
*/
void initAnimations(SimpleXMLTransfer *model_file, ssgEntity* model,
TSimInputs *fInput, std::vector<CRRCAnimation*>& anim_list)
{
SimpleXMLTransfer *animations = model_file->getChild("animations", true);
int num_anims = animations->getChildCount();
fprintf(stdout, "initAnimations: found %d children\n", num_anims);
for (int i = 0; i < num_anims; i++)
{
SimpleXMLTransfer *animation = animations->getChildAt(i);
ssgEntity *node;
if (animation->getName() != "animation")
{
fprintf(stderr, "initAnimations: invalid child <%s>\n", animation->getName().c_str());
}
else
{
std::string node_name = animation->getString("object.name", "default");
std::string type = animation->getString("type", "default");
node = SSGUtil::findNamedNode(model, node_name.c_str());
if (node != NULL)
{
CRRCAnimation *anim = NULL;
printf("initAnimations: found animation node %s, type %s\n",
node_name.c_str(), type.c_str());
if (type == "ControlSurface")
{
anim = new CRRCControlSurfaceAnimation(animation, fInput);
}
else
{
fprintf(stderr, "initAnimations: unknown animation type '%s'\n", type.c_str());
}
if (anim != NULL)
{
if (anim->getBranch() == NULL)
{
fprintf(stderr, "initAnimations: defunct animation class (animation branch is <NULL>)\n");
exit(0);
}
else
{
SSGUtil::spliceBranch(anim->getBranch(), node);
anim->init();
anim->setName("Animation");
anim->getBranch()->setUserData(anim);
anim->getBranch()->setTravCallback(SSG_CALLBACK_PRETRAV, animation_callback);
anim_list.push_back(anim);
}
}
}
else
{
fprintf(stderr, "initAnimations: node '%s' not found in 3D model\n", node_name.c_str());
}
}
}
}