/**
* Get a scene from a map file in XML format.
*/
Scene* MapLoader::getScene(const std::string &path) {
scene = new Scene();
// FIXME: shall we init player here? Probably not, and do it ONCE.
scene->player.addComponent<Transform>();
scene->player.addComponent<PlayerMotion>();
scene->player.addComponent<Health>();
scene->player.addComponent<SoundSource>();
scene->player.addComponent<SoundListener>();
XMLDocument doc;
XMLError error = doc.LoadFile((Environment::getDataDir() + "/maps/" + path + ".xml").c_str());
if (error == XML_NO_ERROR) {
XMLHandle docHandle(&doc);
XMLElement *element = docHandle.FirstChildElement().ToElement();
rootHandle = XMLHandle(element);
extractMaterials();
extractSpawn();
extractDoor();
extractModels();
extractLights();
extractWalls();
extractAcids();
extractTriggers();
System::Log(Info) << "Map " << path << " loaded";
} else {
System::Log(Error) << "Failed to load map " << Environment::getDataDir() << "/" << path << ".xml";
}
return scene;
}
std::shared_ptr<Screen> XMLScreenLoader::loadScreen(const std::string &path) {
std::shared_ptr<Screen> screen = std::make_shared<Screen>(); //setup screen pointer
XMLDocument doc;
XMLError error = doc.LoadFile(path.c_str()); //load in XML document
if (error == 0){
XMLHandle docHandle(&doc);
XMLElement *element = docHandle.FirstChildElement("screen").ToElement();
XMLHandle rootHandle = XMLHandle(element);
//screen->textColor = loadTextColor(rootHandle);
//screen->bgColor = loadbgColor(rootHandle);
if (!loadText(rootHandle, &screen->text)) Util::Log(Error, "XMLScreenLoader") << "Failed to load text in " << path;
if (!extractColor(element, &screen->color)) Util::Log(Error, "XMLScreenLoader") << "Failed to load color in " << path;
//if (screen->bgColor.x == 0) Util::Log(Error, "XMLScreenLoader") << "Failed to find background color element in " << path;
Util::Log(Debug, "XMLScreenLoader") << "Screen " << path << " loaded";
return screen;
} else {
Util::Log(Error, "XMLScreenLoader") << "Failed to load screen " << path;
return nullptr;
}
}
std::shared_ptr<Screen> XmlScreenLoader::loadScreen(const std::string &path) {
XMLDocument doc(true, COLLAPSE_WHITESPACE);
XMLError error = doc.LoadFile(path.c_str());
const std::string &module = XmlScreenLoader::MODULE_NAME;
if (error == 0) {
std::shared_ptr<Screen> screen = std::make_shared<Screen>(); //setup screen pointer
XMLHandle docHandle(&doc);
XMLElement *element = docHandle.FirstChildElement("screen").ToElement();
XMLHandle rootHandle = XMLHandle(element);
if (not loadText(rootHandle, &screen->text)) {
XmlScreenLoader::handleFailureForElement(module, std::string("text"), path);
}
if (not extractColor(element, &screen->color)) {
XmlScreenLoader::handleFailureForElement(module, std::string("color"), path);
}
Util::Log(Debug, module) << "Screen " << path << " loaded";
return screen;
}
throw std::runtime_error("Failed to load " + path + ": " + errorName(error));
}
namespace glPortal {
/** \class MapLoader
* Load a map in GlPortal XML format.
*/
Scene* MapLoader::scene;
XMLHandle MapLoader::rootHandle = XMLHandle(0);
/**
* Get a scene from a map file in XML format.
*/
Scene* MapLoader::getScene(const std::string &path) {
scene = new Scene();
// FIXME: shall we init player here? Probably not, and do it ONCE.
scene->player.addComponent<Transform>();
scene->player.addComponent<PlayerMotion>();
scene->player.addComponent<Health>();
scene->player.addComponent<SoundSource>();
scene->player.addComponent<SoundListener>();
XMLDocument doc;
XMLError error = doc.LoadFile((Environment::getDataDir() + "/maps/" + path + ".xml").c_str());
if (error == XML_NO_ERROR) {
XMLHandle docHandle(&doc);
XMLElement *element = docHandle.FirstChildElement().ToElement();
rootHandle = XMLHandle(element);
extractMaterials();
extractSpawn();
extractDoor();
extractModels();
extractLights();
extractWalls();
extractAcids();
extractTriggers();
System::Log(Info) << "Map " << path << " loaded";
} else {
System::Log(Error) << "Failed to load map " << Environment::getDataDir() << "/" << path << ".xml";
}
return scene;
}
void MapLoader::extractMaterials() {
XMLElement *matIdxElm = rootHandle.FirstChildElement("materials").ToElement();
if (matIdxElm) {
XMLElement *matElm = matIdxElm->FirstChildElement("mat");
if (matElm) {
do {
int mid = -1;
matElm->QueryIntAttribute("mid", &mid);
if (mid == -1) {
continue; // Ignore, no good Material ID bound to it
}
std::string name = matElm->Attribute("name");
if (name.length() > 0) {
scene->materials[mid] = MaterialLoader::getMaterial(name);
} else {
continue; // No name, no candy
}
} while ((matElm = matElm->NextSiblingElement("mat")) != nullptr);
}
}
}
/**
* Extract a spawn element containing its rotation and position elements
*/
void MapLoader::extractSpawn() {
XMLElement *spawnElement = rootHandle.FirstChildElement("spawn").ToElement();
if (spawnElement) {
scene->start.clearComponents();
Transform &t = scene->start.addComponent<Transform>();
XmlHelper::extractPosition(spawnElement, t.position);
XmlHelper::extractRotation(spawnElement, t.rotation);
Transform &pt = scene->player.getComponent<Transform>();
pt.position = t.position;
pt.rotation = t.rotation;
} else {
throw std::runtime_error("No spawn position defined.");
}
}
/**
* Extract a light elements containing position (x, y, z) and colour (r, g, b) attributes
*/
void MapLoader::extractLights() {
Vector3f lightPos;
Vector3f lightColor;
float distance, energy, specular;
XMLElement* lightElement = rootHandle.FirstChildElement("light").ToElement();
do {
XmlHelper::pushAttributeVertexToVector(lightElement, lightPos);
lightElement->QueryFloatAttribute("r", &lightColor.x);
lightElement->QueryFloatAttribute("g", &lightColor.y);
lightElement->QueryFloatAttribute("b", &lightColor.z);
lightElement->QueryFloatAttribute("distance", &distance);
lightElement->QueryFloatAttribute("energy", &energy);
lightElement->QueryFloatAttribute("specular", &specular);
scene->entities.emplace_back();
Entity &light = scene->entities.back();
Transform &t = light.addComponent<Transform>();
t.position = lightPos;
LightSource &ls = light.addComponent<LightSource>();
ls.color = lightColor;
ls.distance = distance;
ls.energy = energy;
ls.specular = specular;
} while ((lightElement = lightElement->NextSiblingElement("light")) != nullptr);
}
void MapLoader::extractDoor() {
XMLElement *endElement = rootHandle.FirstChildElement("end").ToElement();
if (endElement) {
Entity &door = scene->end;
door.clearComponents();
Transform &t = door.addComponent<Transform>();
XmlHelper::extractPosition(endElement, t.position);
XmlHelper::extractRotation(endElement, t.rotation);
MeshDrawable &m = door.addComponent<MeshDrawable>();
m.material = MaterialLoader::loadFromXML("door/door");
m.mesh = MeshLoader::getMesh("Door.obj");
}
}
void MapLoader::extractWalls() {
XMLElement *wallBoxElement = rootHandle.FirstChildElement("wall").ToElement();
if (wallBoxElement) {
do {
scene->entities.emplace_back();
Entity &wall = scene->entities.back();
Transform &t = wall.addComponent<Transform>();
XmlHelper::extractPosition(wallBoxElement, t.position);
XmlHelper::extractRotation(wallBoxElement, t.rotation);
XmlHelper::extractScale(wallBoxElement, t.scale);
int mid = -1;
wallBoxElement->QueryIntAttribute("mid", &mid);
MeshDrawable &m = wall.addComponent<MeshDrawable>();
m.material = scene->materials[mid];
m.material.scaleU = m.material.scaleV = 2.f;
m.mesh = MeshLoader::getPortalBox(wall);
wall.addComponent<AACollisionBox>().box = BoxCollider::generateCage(wall);
} while ((wallBoxElement = wallBoxElement->NextSiblingElement("wall")) != nullptr);
}
}
void MapLoader::extractAcids() {
XMLElement *acidElement = rootHandle.FirstChildElement("acid").ToElement();
if (acidElement) {
do {
scene->entities.emplace_back();
Entity &acid = scene->entities.back();
Transform &t = acid.addComponent<Transform>();
XmlHelper::extractPosition(acidElement, t.position);
XmlHelper::extractScale(acidElement, t.scale);
MeshDrawable &m = acid.addComponent<MeshDrawable>();
m.material = MaterialLoader::loadFromXML("fluid/acid00");
m.mesh = MeshLoader::getPortalBox(acid);
acid.addComponent<AACollisionBox>().box = BoxCollider::generateCage(acid);
} while ((acidElement = acidElement->NextSiblingElement("acid")) != nullptr);
}
}
void MapLoader::extractTriggers() {
XMLElement *triggerElement = rootHandle.FirstChildElement("trigger").ToElement();
if (triggerElement) {
do {
scene->entities.emplace_back();
Entity &trigger = scene->entities.back();
Transform &t = trigger.addComponent<Transform>();
XmlHelper::extractPosition(triggerElement, t.position);
XmlHelper::extractScale(triggerElement, t.scale);
Trigger &tgr = trigger.addComponent<Trigger>();
tgr.type = triggerElement->Attribute("type");
} while ((triggerElement = triggerElement->NextSiblingElement("trigger")) != nullptr);
}
}
void MapLoader::extractModels() {
Vector3f modelPos;
string texture("none");
string mesh("none");
XMLElement *modelElement = rootHandle.FirstChildElement("model").ToElement();
if (modelElement){
do {
texture = modelElement->Attribute("texture");
mesh = modelElement->Attribute("mesh");
XmlHelper::pushAttributeVertexToVector(modelElement, modelPos);
scene->entities.emplace_back();
Entity &model = scene->entities.back();
Transform &t = model.addComponent<Transform>();
XmlHelper::extractPosition(modelElement, t.position);
XmlHelper::extractRotation(modelElement, t.rotation);
MeshDrawable &m = model.addComponent<MeshDrawable>();
m.material = MaterialLoader::fromTexture(texture);
m.mesh = MeshLoader::getMesh(mesh);
} while ((modelElement = modelElement->NextSiblingElement("model")) != nullptr);
}
}
void MapLoader::extractButtons() {
// FIXME
#if 0
XMLElement *textureElement = rootHandle.FirstChild("texture").ToElement();
string texturePath("none");
string surfaceType("none");
Vector2f position;
Vector2f size;
if (textureElement) {
do {
textureElement->QueryStringAttribute("source", &texturePath);
textureElement->QueryStringAttribute("type", &surfaceType);
XMLElement *buttonElement = textureElement->FirstChildElement("GUIbutton");
if (buttonElement) {
do {
scene->buttons.emplace_back();
GUIButton &button = scene->buttons.back();
buttonElement->QueryFloatAttribute("x", &position.x);
buttonElement->QueryFloatAttribute("y", &position.y);
buttonElement->QueryFloatAttribute("w", &size.x);
buttonElement->QueryFloatAttribute("h", &size.y);
button.material = MaterialLoader::fromTexture(texturePath);
button.material.scaleU = button.material.scaleV = 2.f;
} while ((buttonElement = buttonElement->NextSiblingElement("GUIbutton")) != nullptr);
}
texturePath = "none";
} while ((textureElement = textureElement->NextSiblingElement("texture")) != nullptr);
}
#endif
}
} /* namespace glPortal */
