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| 1 | // | ||
| 2 | // EntityScriptingInterface.cpp | ||
| 3 | // libraries/models/src | ||
| 4 | // | ||
| 5 | // Created by Brad Hefta-Gaub on 12/6/13. | ||
| 6 | // Copyright 2013 High Fidelity, Inc. | ||
| 7 | // | ||
| 8 | // Distributed under the Apache License, Version 2.0. | ||
| 9 | // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html | ||
| 10 | // | ||
| 11 | |||
| 12 | #include "EntityScriptingInterface.h" | ||
| 13 | #include "EntityTree.h" | ||
| 14 | |||
| 15 | EntityScriptingInterface::EntityScriptingInterface() : | ||
| 16 | _nextCreatorTokenID(0), | ||
| 17 | _entityTree(NULL) | ||
| 18 | { | ||
| 19 | } | ||
| 20 | |||
| 21 | |||
| 22 | void EntityScriptingInterface::queueEntityMessage(PacketType packetType, | ||
| 23 | EntityItemID entityID, const EntityItemProperties& properties) { | ||
| 24 | getEntityPacketSender()->queueEntityEditMessage(packetType, entityID, properties); | ||
| 25 | } | ||
| 26 | |||
| 27 | EntityItemID EntityScriptingInterface::addEntity(const EntityItemProperties& properties) { | ||
| 28 | |||
| 29 | // The application will keep track of creatorTokenID | ||
| 30 | uint32_t creatorTokenID = EntityItem::getNextCreatorTokenID(); | ||
| 31 | |||
| 32 | EntityItemID id(NEW_MODEL, creatorTokenID, false ); | ||
| 33 | |||
| 34 | // queue the packet | ||
| 35 | queueEntityMessage(PacketTypeEntityAddOrEdit, id, properties); | ||
| 36 | |||
| 37 | // If we have a local model tree set, then also update it. | ||
| 38 | if (_entityTree) { | ||
| 39 | _entityTree->lockForWrite(); | ||
| 40 | _entityTree->addEntity(id, properties); | ||
| 41 | _entityTree->unlock(); | ||
| 42 | } | ||
| 43 | |||
| 44 | return id; | ||
| 45 | } | ||
| 46 | |||
| 47 | EntityItemID EntityScriptingInterface::identifyEntity(EntityItemID entityID) { | ||
| 48 | uint32_t actualID = entityID.id; | ||
| 49 | |||
| 50 | if (!entityID.isKnownID) { | ||
| 51 | actualID = EntityItem::getIDfromCreatorTokenID(entityID.creatorTokenID); | ||
| 52 | if (actualID == UNKNOWN_MODEL_ID) { | ||
| 53 | return entityID; // bailing early | ||
| 54 | } | ||
| 55 | |||
| 56 | // found it! | ||
| 57 | entityID.id = actualID; | ||
| 58 | entityID.isKnownID = true; | ||
| 59 | } | ||
| 60 | return entityID; | ||
| 61 | } | ||
| 62 | |||
| 63 | EntityItemProperties EntityScriptingInterface::getEntityProperties(EntityItemID entityID) { | ||
| 64 | EntityItemProperties results; | ||
| 65 | EntityItemID identity = identifyEntity(entityID); | ||
| 66 | if (!identity.isKnownID) { | ||
| 67 | results.setIsUnknownID(); | ||
| 68 | return results; | ||
| 69 | } | ||
| 70 | if (_entityTree) { | ||
| 71 | _entityTree->lockForRead(); | ||
| 72 | const EntityItem* model = _entityTree->findEntityByID(identity.id, true); | ||
| 73 | if (model) { | ||
| 74 | results.copyFromEntityItem(*model); | ||
| 75 | } else { | ||
| 76 | results.setIsUnknownID(); | ||
| 77 | } | ||
| 78 | _entityTree->unlock(); | ||
| 79 | } | ||
| 80 | |||
| 81 | return results; | ||
| 82 | } | ||
| 83 | |||
| 84 | |||
| 85 | |||
| 86 | EntityItemID EntityScriptingInterface::editEntity(EntityItemID entityID, const EntityItemProperties& properties) { | ||
| 87 | uint32_t actualID = entityID.id; | ||
| 88 | |||
| 89 | // if the model is unknown, attempt to look it up | ||
| 90 | if (!entityID.isKnownID) { | ||
| 91 | actualID = EntityItem::getIDfromCreatorTokenID(entityID.creatorTokenID); | ||
| 92 | } | ||
| 93 | |||
| 94 | // if at this point, we know the id, send the update to the model server | ||
| 95 | if (actualID != UNKNOWN_MODEL_ID) { | ||
| 96 | entityID.id = actualID; | ||
| 97 | entityID.isKnownID = true; | ||
| 98 | queueEntityMessage(PacketTypeEntityAddOrEdit, entityID, properties); | ||
| 99 | } | ||
| 100 | |||
| 101 | // If we have a local model tree set, then also update it. We can do this even if we don't know | ||
| 102 | // the actual id, because we can edit out local models just with creatorTokenID | ||
| 103 | if (_entityTree) { | ||
| 104 | _entityTree->lockForWrite(); | ||
| 105 | _entityTree->updateEntity(entityID, properties); | ||
| 106 | _entityTree->unlock(); | ||
| 107 | } | ||
| 108 | return entityID; | ||
| 109 | } | ||
| 110 | |||
| 111 | |||
| 112 | // TODO: This deleteEntity() method uses the PacketType_MODEL_ADD_OR_EDIT message to send | ||
| 113 | // a changed model with a shouldDie() property set to true. This works and is currently the only | ||
| 114 | // way to tell the model server to delete a model. But we should change this to use the PacketType_MODEL_ERASE | ||
| 115 | // message which takes a list of model id's to delete. | ||
| 116 | void EntityScriptingInterface::deleteEntity(EntityItemID entityID) { | ||
| 117 | |||
| 118 | // setup properties to kill the model | ||
| 119 | EntityItemProperties properties; | ||
| 120 | properties.setShouldDie(true); | ||
| 121 | |||
| 122 | uint32_t actualID = entityID.id; | ||
| 123 | |||
| 124 | // if the model is unknown, attempt to look it up | ||
| 125 | if (!entityID.isKnownID) { | ||
| 126 | actualID = EntityItem::getIDfromCreatorTokenID(entityID.creatorTokenID); | ||
| 127 | } | ||
| 128 | |||
| 129 | // if at this point, we know the id, send the update to the model server | ||
| 130 | if (actualID != UNKNOWN_MODEL_ID) { | ||
| 131 | entityID.id = actualID; | ||
| 132 | entityID.isKnownID = true; | ||
| 133 | queueEntityMessage(PacketTypeEntityAddOrEdit, entityID, properties); | ||
| 134 | } | ||
| 135 | |||
| 136 | // If we have a local model tree set, then also update it. | ||
| 137 | if (_entityTree) { | ||
| 138 | _entityTree->lockForWrite(); | ||
| 139 | _entityTree->deleteEntity(entityID); | ||
| 140 | _entityTree->unlock(); | ||
| 141 | } | ||
| 142 | } | ||
| 143 | |||
| 144 | EntityItemID EntityScriptingInterface::findClosestEntity(const glm::vec3& center, float radius) const { | ||
| 145 | EntityItemID result(UNKNOWN_MODEL_ID, UNKNOWN_MODEL_TOKEN, false); | ||
| 146 | if (_entityTree) { | ||
| 147 | _entityTree->lockForRead(); | ||
| 148 | const EntityItem* closestEntity = _entityTree->findClosestEntity(center/(float)TREE_SCALE, | ||
| 149 | radius/(float)TREE_SCALE); | ||
| 150 | _entityTree->unlock(); | ||
| 151 | if (closestEntity) { | ||
| 152 | result.id = closestEntity->getID(); | ||
| 153 | result.isKnownID = true; | ||
| 154 | } | ||
| 155 | } | ||
| 156 | return result; | ||
| 157 | } | ||
| 158 | |||
| 159 | |||
| 160 | QVector<EntityItemID> EntityScriptingInterface::findEntities(const glm::vec3& center, float radius) const { | ||
| 161 | QVector<EntityItemID> result; | ||
| 162 | if (_entityTree) { | ||
| 163 | _entityTree->lockForRead(); | ||
| 164 | QVector<const EntityItem*> models; | ||
| 165 | _entityTree->findEntities(center/(float)TREE_SCALE, radius/(float)TREE_SCALE, models); | ||
| 166 | _entityTree->unlock(); | ||
| 167 | |||
| 168 | foreach (const EntityItem* model, models) { | ||
| 169 | EntityItemID thisEntityItemID(model->getID(), UNKNOWN_MODEL_TOKEN, true); | ||
| 170 | result << thisEntityItemID; | ||
| 171 | } | ||
| 172 | } | ||
| 173 | return result; | ||
| 174 | } | ||
| 175 | |||
| 176 | RayToEntityIntersectionResult EntityScriptingInterface::findRayIntersection(const PickRay& ray) { | ||
| 177 | return findRayIntersectionWorker(ray, Octree::TryLock); | ||
| 178 | } | ||
| 179 | |||
| 180 | RayToEntityIntersectionResult EntityScriptingInterface::findRayIntersectionBlocking(const PickRay& ray) { | ||
| 181 | return findRayIntersectionWorker(ray, Octree::Lock); | ||
| 182 | } | ||
| 183 | |||
| 184 | RayToEntityIntersectionResult EntityScriptingInterface::findRayIntersectionWorker(const PickRay& ray, | ||
| 185 | Octree::lockType lockType) { | ||
| 186 | RayToEntityIntersectionResult result; | ||
| 187 | if (_entityTree) { | ||
| 188 | OctreeElement* element; | ||
| 189 | EntityItem* intersectedEntity; | ||
| 190 | result.intersects = _entityTree->findRayIntersection(ray.origin, ray.direction, element, result.distance, result.face, | ||
| 191 | (void**)&intersectedEntity, lockType, &result.accurate); | ||
| 192 | if (result.intersects && intersectedEntity) { | ||
| 193 | result.entityID = intersectedEntity->getEntityItemID(); | ||
| 194 | result.properties = intersectedEntity->getProperties(); | ||
| 195 | result.intersection = ray.origin + (ray.direction * result.distance); | ||
| 196 | } | ||
| 197 | } | ||
| 198 | return result; | ||
| 199 | } | ||
| 200 | |||
| 201 | |||
| 202 | RayToEntityIntersectionResult::RayToEntityIntersectionResult() : | ||
| 203 | intersects(false), | ||
| 204 | accurate(true), // assume it's accurate | ||
| 205 | entityID(), | ||
| 206 | properties(), | ||
| 207 | distance(0), | ||
| 208 | face() | ||
| 209 | { | ||
| 210 | }; | ||
| 211 | |||
| 212 | QScriptValue RayToEntityIntersectionResultToScriptValue(QScriptEngine* engine, const RayToEntityIntersectionResult& value) { | ||
| 213 | QScriptValue obj = engine->newObject(); | ||
| 214 | obj.setProperty("intersects", value.intersects); | ||
| 215 | obj.setProperty("accurate", value.accurate); | ||
| 216 | QScriptValue modelItemValue = EntityItemIDtoScriptValue(engine, value.entityID); | ||
| 217 | obj.setProperty("entityID", modelItemValue); | ||
| 218 | |||
| 219 | QScriptValue modelPropertiesValue = EntityItemPropertiesToScriptValue(engine, value.properties); | ||
| 220 | obj.setProperty("properties", modelPropertiesValue); | ||
| 221 | |||
| 222 | obj.setProperty("distance", value.distance); | ||
| 223 | |||
| 224 | QString faceName = ""; | ||
| 225 | // handle BoxFace | ||
| 226 | switch (value.face) { | ||
| 227 | case MIN_X_FACE: | ||
| 228 | faceName = "MIN_X_FACE"; | ||
| 229 | break; | ||
| 230 | case MAX_X_FACE: | ||
| 231 | faceName = "MAX_X_FACE"; | ||
| 232 | break; | ||
| 233 | case MIN_Y_FACE: | ||
| 234 | faceName = "MIN_Y_FACE"; | ||
| 235 | break; | ||
| 236 | case MAX_Y_FACE: | ||
| 237 | faceName = "MAX_Y_FACE"; | ||
| 238 | break; | ||
| 239 | case MIN_Z_FACE: | ||
| 240 | faceName = "MIN_Z_FACE"; | ||
| 241 | break; | ||
| 242 | case MAX_Z_FACE: | ||
| 243 | faceName = "MAX_Z_FACE"; | ||
| 244 | break; | ||
| 245 | case UNKNOWN_FACE: | ||
| 246 | faceName = "UNKNOWN_FACE"; | ||
| 247 | break; | ||
| 248 | } | ||
| 249 | obj.setProperty("face", faceName); | ||
| 250 | |||
| 251 | QScriptValue intersection = vec3toScriptValue(engine, value.intersection); | ||
| 252 | obj.setProperty("intersection", intersection); | ||
| 253 | return obj; | ||
| 254 | } | ||
| 255 | |||
| 256 | void RayToEntityIntersectionResultFromScriptValue(const QScriptValue& object, RayToEntityIntersectionResult& value) { | ||
| 257 | value.intersects = object.property("intersects").toVariant().toBool(); | ||
| 258 | value.accurate = object.property("accurate").toVariant().toBool(); | ||
| 259 | QScriptValue modelIDValue = object.property("entityID"); | ||
| 260 | if (modelIDValue.isValid()) { | ||
| 261 | EntityItemIDfromScriptValue(modelIDValue, value.entityID); | ||
| 262 | } | ||
| 263 | QScriptValue modelPropertiesValue = object.property("properties"); | ||
| 264 | if (modelPropertiesValue.isValid()) { | ||
| 265 | EntityItemPropertiesFromScriptValue(modelPropertiesValue, value.properties); | ||
| 266 | } | ||
| 267 | value.distance = object.property("distance").toVariant().toFloat(); | ||
| 268 | |||
| 269 | QString faceName = object.property("face").toVariant().toString(); | ||
| 270 | if (faceName == "MIN_X_FACE") { | ||
| 271 | value.face = MIN_X_FACE; | ||
| 272 | } else if (faceName == "MAX_X_FACE") { | ||
| 273 | value.face = MAX_X_FACE; | ||
| 274 | } else if (faceName == "MIN_Y_FACE") { | ||
| 275 | value.face = MIN_Y_FACE; | ||
| 276 | } else if (faceName == "MAX_Y_FACE") { | ||
| 277 | value.face = MAX_Y_FACE; | ||
| 278 | } else if (faceName == "MIN_Z_FACE") { | ||
| 279 | value.face = MIN_Z_FACE; | ||
| 280 | } else { | ||
| 281 | value.face = MAX_Z_FACE; | ||
| 282 | }; | ||
| 283 | QScriptValue intersection = object.property("intersection"); | ||
| 284 | if (intersection.isValid()) { | ||
| 285 | vec3FromScriptValue(intersection, value.intersection); | ||
| 286 | } | ||
| 287 | } | ||