ParticleSystemModel::Specification::Specification(const Any& a) {
*this = Specification();
if (a.nameBeginsWith("ParticleSystemModel::Emitter")) {
emitterArray.append(a);
} else {
a.verifyNameBeginsWith("ParticleSystemModel::Specification");
Any array = a.get("emitterArray", Any(Any::ARRAY));
array.getArray(emitterArray);
hasPhysics = a.get("hasPhysics", true);
}
}
Any Scene::load(const std::string& scene) {
std::string filename;
clear();
m_modelTable.clear();
m_name = scene;
bool isFilename = endsWith(toLower(scene), ".scn.any") || endsWith(toLower(scene), ".Scene.Any");
if (isFilename) {
filename = scene;
} else {
const std::string* f = filenameTable().getPointer(scene);
if (f == NULL) {
throw "No scene with name '" + scene + "' found in (" +
stringJoin(filenameTable().getKeys(), ", ") + ")";
}
filename = *f;
}
Any any;
any.load(filename);
{
const std::string& n = any.get("name", filename);
// Ensure that this name appears in the filename table if it does not already,
// so that it can be loaded by name in the future.
if (! filenameTable().containsKey(n)) {
filenameTable().set(n, filename);
}
}
m_sourceAny = any;
// Load the lighting environment (do this before loading entities, since some of them may
// be lights that will enter this array)
bool hasEnvironmentMap = false;
if (any.containsKey("localLightingEnvironment")) {
m_localLightingEnvironment = any["localLightingEnvironment"];
hasEnvironmentMap = any["localLightingEnvironment"].containsKey("environmentMap");
}
// Load the models
if (any.containsKey("models")) {
Any models = any["models"];
if (models.size() > 0) {
for (Any::AnyTable::Iterator it = models.table().begin(); it.isValid(); ++it) {
const std::string name = it->key;
Any v = it->value;
createModel(v, name);
}
}
}
// Instance the models
if (any.containsKey("entities")) {
Any entities = any["entities"];
if (entities.size() > 0) {
for (Table<std::string, Any>::Iterator it = entities.table().begin(); it.isValid(); ++it) {
const std::string& name = it->key;
const std::string& entityType = it->value.name();
createEntity(entityType, name, it->value);
}
}
}
shared_ptr<Texture> skyboxTexture = Texture::whiteCube();
Any skyAny;
// Use the environment map as a skybox if there isn't one already, and vice versa
Array<shared_ptr<Skybox> > skyboxes;
getTypedEntityArray<Skybox>(skyboxes);
if ( skyboxes.size() == 0 ) {
if (any.containsKey("skybox")) {
createEntity("Skybox", "skybox", any["skybox"]);
m_skybox = typedEntity<Skybox>("skybox");
} else if (hasEnvironmentMap) {
m_skybox = Skybox::create("skybox", this, Array<ScaledTexture>(m_localLightingEnvironment.environmentMapArray[0]), Array<SimTime>(0.0), 0, SplineExtrapolationMode::CLAMP, false, false);
insert(m_skybox);
} else {
m_skybox = Skybox::create("skybox", this, Array<ScaledTexture>(ScaledTexture(Texture::whiteCube(), 1.0f)), Array<SimTime>(0.0), 0, SplineExtrapolationMode::CLAMP, false, false);
insert(m_skybox);
}
}
if (any.containsKey("environmentMap")) {
throw std::string("environmentMap field has been replaced with localLightingEnvironment");
}
// Default to using the skybox as an environment map if none is specified.
if (! hasEnvironmentMap) {
m_localLightingEnvironment.environmentMapArray.append(ScaledTexture(m_skybox->keyframeArray()[0].texture, m_skybox->keyframeArray()[0].constant));
}
//////////////////////////////////////////////////////
if (m_cameraArray.size() == 0) {
// Create a default camera, back it up from the origin
m_cameraArray.append(Camera::create("camera"));
m_cameraArray.last()->setFrame(CFrame::fromXYZYPRDegrees(0,1,-5,0,-5));
}
setTime(any.get("time", 0.0));
m_lastVisibleChangeTime = m_lastLightChangeTime = m_lastStructuralChangeTime = System::time();
m_defaultCameraName = (std::string)any.get("defaultCamera", "");
// Set the initial positions, repeating a few times to allow
// objects defined relative to others to reach a fixed point
for (int i = 0; i < 3; ++i) {
for (int e = 0; e < m_entityArray.size(); ++e) {
m_entityArray[e]->onSimulation(m_time, nan());
}
}
// Pose objects so that they have bounds.
{
Array< shared_ptr<Surface> > ignore;
onPose(ignore);
}
return any;
}
/**
\param flags first byte of websocket frame, see websocket RFC, http://tools.ietf.org/html/rfc6455#section-5.2
\param data, data_len payload data. Mask, if any, is already applied. */
static int websocket_data_handler(struct mg_connection* conn, int flags, char* data, size_t data_len) {
// Lower 4 bits are the opcode
const int opcode = flags & 0xF;
switch (opcode) {
case 0x0: // Continuation
debugPrintf("Connection 0x%x: Received continuation, ignoring\n", (unsigned int)(uintptr_t)conn);
return 1;
case 0x1: // Text
break;
case 0x2: // Binary
debugPrintf("Connection 0x%x: Received binary data, ignoring\n", (unsigned int)(uintptr_t)conn);
return 1;
case 0x8: // Close connection
debugPrintf("Connection 0x%x: Received close connection\n", (unsigned int)(uintptr_t)conn);
return 0;
case 0x9: // Ping
debugPrintf("Connection 0x%x: Received ping\n", (unsigned int)(uintptr_t)conn);
// TODO: Send pong
return 1;
case 0xA: // Pong
// Don't have to do anything
debugPrintf("Connection 0x%x: Received pong\n", (unsigned int)(uintptr_t)conn);
return 1;
default: // Reserved
debugPrintf("Connection 0x%x: Received reserved opcode 0x%x, ignoring\n", (unsigned int)(uintptr_t)conn, opcode);
return 1;
}
// debugPrintf("rcv: '%.*s'\n", (int) data_len, data);
if ((data_len == 6) && (memcmp(data, "\"ping\"", 6) == 0)) {
// This is our application protocol ping message; ignore it
return 1;
}
if ((data_len < 2) || (data[0] != '{')) {
// Some corrupt message
debugPrintf("Message makes no sense\n");
return 1;
}
try {
TextInput t(TextInput::FROM_STRING, data, data_len);
const Any msg(t);
const int UNKNOWN = 0;
const int SEND_IMAGE = 1000;
const int type = msg.get("type", UNKNOWN);
switch (type) {
case UNKNOWN:
debugPrintf("Cannot identify message type\n");
break;
case SEND_IMAGE:
clientWantsImage = 1;
break;
case GEventType::KEY_DOWN:
case GEventType::KEY_UP:
{
GEvent event;
memset(&event, 0, sizeof(event));
event.type = type;
Any key = msg.get("key", Any());
Any keysym = key.get("keysym", Any());
event.key.keysym.sym = GKey::Value((int)keysym.get("sym", 0));
event.key.state = (type == GEventType::KEY_DOWN) ? GButtonState::PRESSED : GButtonState::RELEASED;
remoteEventQueue.pushBack(event);
}
break;
default:
debugPrintf("Unrecognized type\n");
break;
};
} catch (...) {
debugPrintf("Message makes no sense\n");
}
// Returning zero means stoping websocket conversation.
return 1;
}
Scene::Ref Scene::create(const std::string& scene, GCamera& camera)
{
if (scene == "")
{
return NULL;
}
Scene::Ref s = new Scene();
const std::string* f = filenameTable().getPointer(scene);
if (f == NULL)
{
throw "No scene with name '" + scene + "' found in (" +
stringJoin(filenameTable().getKeys(), ", ") + ")";
}
const std::string& filename = *f;
Any any;
any.load(filename);
// Load the lighting
s->m_lighting = Lighting::create(any.get("lighting", Lighting::Specification()));
// Load the models
Any models = any["models"];
typedef ReferenceCountedPointer<ReferenceCountedObject> ModelRef;
Table< std::string, ModelRef > modelTable;
for (Any::AnyTable::Iterator it = models.table().begin(); it.hasMore(); ++it) {
ModelRef m;
Any v = it->value;
if (v.nameBeginsWith("ArticulatedModel")) {
m = ArticulatedModel::create(v);
} else if (v.nameBeginsWith("MD2Model")) {
m = MD2Model::create(v);
} else if (v.nameBeginsWith("MD3Model")) {
m = MD3Model::create(v);
} else {
debugAssertM(false, "Unrecognized model type: " + v.name());
}
modelTable.set(it->key, m);
}
// Instance the models
Any entities = any["entities"];
for (Table<std::string, Any>::Iterator it = entities.table().begin(); it.hasMore(); ++it) {
const std::string& name = it->key;
const Any& modelArgs = it->value;
modelArgs.verifyType(Any::ARRAY);
const ModelRef* model = modelTable.getPointer(modelArgs.name());
modelArgs.verify((model != NULL),
"Can't instantiate undefined model named " + modelArgs.name() + ".");
PhysicsFrameSpline frameSpline;
ArticulatedModel::PoseSpline poseSpline;
if (modelArgs.size() >= 1) {
frameSpline = modelArgs[0];
if (modelArgs.size() >= 2) {
// Poses
poseSpline = modelArgs[1];
}
}
ArticulatedModel::Ref artModel = model->downcast<ArticulatedModel>();
MD2Model::Ref md2Model = model->downcast<MD2Model>();
MD3Model::Ref md3Model = model->downcast<MD3Model>();
if (artModel.notNull()) {
s->m_entityArray.append(Entity::create(name, frameSpline, artModel, poseSpline));
} else if (md2Model.notNull()) {
s->m_entityArray.append(Entity::create(name, frameSpline, md2Model));
} else if (md3Model.notNull()) {
s->m_entityArray.append(Entity::create(name, frameSpline, md3Model));
}
}
// Load the camera
camera = any["camera"];
if (any.containsKey("skybox")) {
Any sky = any["skyBox"];
s->m_skyBoxConstant = sky.get("constant", 1.0f);
if (sky.containsKey("texture")) {
s->m_skyBoxTexture = Texture::create(sky["texture"]);
}
} else {
s->m_skyBoxTexture = s->m_lighting->environmentMapTexture;
s->m_skyBoxConstant = s->m_lighting->environmentMapConstant;
}
// Default to using the skybox as an environment map if none is specified.
if (s->m_skyBoxTexture.notNull() && s->m_lighting->environmentMapTexture.isNull()) {
s->m_lighting->environmentMapTexture = s->m_skyBoxTexture;
s->m_lighting->environmentMapConstant = s->m_skyBoxConstant;
}
return s;
}