Vector = require './vector' Rectangle = require './rectangle' WorldFrame = require './world_frame' Thang = require './thang' ThangState = require './thang_state' Rand = require './rand' WorldScriptNote = require './world_script_note' {now, consolidateThangs, typedArraySupport} = require './world_utils' Component = require 'lib/world/component' System = require 'lib/world/system' PROGRESS_UPDATE_INTERVAL = 200 DESERIALIZATION_INTERVAL = 20 module.exports = class World @className: "World" age: 0 ended: false apiProperties: ['age', 'dt'] constructor: (name, @userCodeMap, classMap) -> # classMap is needed for deserializing Worlds, Thangs, and other classes @classMap = classMap ? {Vector: Vector, Rectangle: Rectangle, Thang: Thang} Thang.resetThangIDs() @name ?= name ? "Unnamed World" @userCodeMap ?= {} @thangs = [] @thangMap = {} @systems = [] @systemMap = {} @scriptNotes = [] @rand = new Rand 0 @frames = [new WorldFrame(@, 0)] getFrame: (frameIndex) -> # Optimize it a bit--assume we have all if @ended and are at the previous frame otherwise frames = @frames if @ended frame = frames[frameIndex] else if frameIndex frame = frames[frameIndex - 1].getNextFrame() frames.push frame else frame = frames[0] @age = frameIndex * @dt frame getThangByID: (id) -> @thangMap[id] setThang: (thang) -> for old, i in @thangs if old.id is thang.id @thangs[i] = thang @thangMap[thang.id] = thang thangDialogueSounds: -> if @frames.length < @totalFrames then throw new Error("World should be over before grabbing dialogue") [sounds, seen] = [[], {}] for frame in @frames for thangID, state of frame.thangStateMap continue unless state.thang.say and sayMessage = state.getStateForProp "sayMessage" soundKey = state.thang.spriteName + ":" + sayMessage unless seen[soundKey] sounds.push [state.thang.spriteName, sayMessage] seen[soundKey] = true sounds setGoalManager: (@goalManager) -> addError: (error) -> (@runtimeErrors ?= []).push error (@unhandledRuntimeErrors ?= []).push error loadFrames: (loadedCallback, errorCallback, loadProgressCallback) -> return if @aborted unless @thangs.length console.log "Warning: loadFrames called on empty World (no thangs)." t1 = now() @t0 ?= t1 i = @frames.length while i < @totalFrames try @getFrame(i) ++i # increment this after we have succeeded in getting the frame, otherwise we'll have to do that frame again catch error # Not an Aether.errors.UserCodeError; maybe we can't recover @addError error for error in (@unhandledRuntimeErrors ? []) return unless errorCallback error # errorCallback tells us whether the error is recoverable @unhandledRuntimeErrors = [] t2 = now() if t2 - t1 > PROGRESS_UPDATE_INTERVAL loadProgressCallback? i / @totalFrames t1 = t2 if t2 - @t0 > 1000 console.log(' Loaded', i, 'of', @totalFrames, "(+" + (t2 - @t0).toFixed(0) + "ms)") @t0 = t2 setTimeout((=> @loadFrames(loadedCallback, errorCallback, loadProgressCallback)), 0) return @ended = true system.finish @thangs for system in @systems loadProgressCallback? 1 loadedCallback() abort: -> @aborted = true loadFromLevel: (level, willSimulate=true) -> @loadSystemsFromLevel level @loadThangsFromLevel level, willSimulate @loadScriptsFromLevel level system.start @thangs for system in @systems loadSystemsFromLevel: (level) -> # Remove old Systems @systems = [] @systemMap = {} # Load new Systems for levelSystem in level.systems systemModel = levelSystem.model config = levelSystem.config systemClass = @loadClassFromCode systemModel.js, systemModel.name, "system" #console.log "using db system class ---\n", systemClass, "\n--- from code ---n", systemModel.js, "\n---" system = new systemClass @, config @addSystems system null loadThangsFromLevel: (level, willSimulate) -> # Remove old Thangs @thangs = [] @thangMap = {} # Load new Thangs toAdd = [] for d in level.thangs continue if d.thangType is "Interface" # ignore old Interface Thangs until we've migrated away components = [] for component in d.components componentModel = _.find level.levelComponents, (c) -> c.original is component.original and c.version.major is (component.majorVersion ? 0) #console.log "found model", componentModel, "from", component, "for", d.id, "from existing components", level.levelComponents componentClass = @loadClassFromCode componentModel.js, componentModel.name, "component" components.push [componentClass, component.config] #console.log "---", d.id, "using db component class ---\n", componentClass, "\n--- from code ---\n", componentModel.js, '\n---' #console.log "(found", componentModel, "for id", component.original, "from", level.levelComponents, ")" thangType = d.thangType thangTypeModel = _.find level.thangTypes, (t) -> t.original is thangType thangType = thangTypeModel.name if thangTypeModel thang = new Thang @, thangType, d.id try thang.addComponents components... catch e console.error "couldn't load components for", d.thangType, d.id, "because", e, e.stack, e.stackTrace toAdd.push thang @extraneousThangs = consolidateThangs toAdd if willSimulate # combine walls, for example; serialize the leftovers later for thang in toAdd @thangs.unshift thang # interactions happen in reverse order of specification/drawing @setThang thang @updateThangState thang thang.updateRegistration() null loadScriptsFromLevel: (level) -> @scriptNotes = [] @scripts = [] @addScripts level.scripts... loadClassFromCode: (js, name, kind="component") -> # Cache them based on source code so we don't have to worry about extra compilations @componentCodeClassMap ?= {} @systemCodeClassMap ?= {} map = if kind is "component" then @componentCodeClassMap else @systemCodeClassMap c = map[js] return c if c c = map[js] = eval js c.className = name c add: (spriteName, id, components...) -> thang = new Thang @, spriteName, id @thangs.unshift thang # interactions happen in reverse order of specification/drawing @setThang thang thang.addComponents components... @updateThangState thang thang.updateRegistration() thang updateThangState: (thang) -> @frames[@frames.length-1].thangStateMap[thang.id] = thang.getState() size: -> @calculateBounds() unless @width? and @height? return [@width, @height] if @width? and @height? getBounds: -> @calculateBounds() unless @bounds? return @bounds calculateBounds: -> bounds = {left: 0, top: 0, right: 0, bottom: 0} hasLand = _.some @thangs, 'isLand' for thang in @thangs when thang.isLand or not hasLand # Look at Lands only rect = thang.rectangle().axisAlignedBoundingBox() bounds.left = Math.min(bounds.left, rect.x - rect.width / 2) bounds.right = Math.max(bounds.right, rect.x + rect.width / 2) bounds.bottom = Math.min(bounds.bottom, rect.y - rect.height / 2) bounds.top = Math.max(bounds.top, rect.y + rect.height / 2) @width = bounds.right - bounds.left @height = bounds.top - bounds.bottom @bounds = bounds [@width, @height] publishNote: (channel, event) -> event ?= {} channel = 'world:' + channel for script in @scripts continue if script.channel isnt channel scriptNote = new WorldScriptNote script, event continue if scriptNote.invalid @scriptNotes.push scriptNote return unless @goalManager @goalManager.submitWorldGenerationEvent(channel, event, @frames.length) setGoalState: (goalID, status) -> @goalManager.setGoalState(goalID, status) endWorld: (victory=false, delay=3, tentative=false) -> @totalFrames = Math.min(@totalFrames, @frames.length + Math.floor(delay / @dt)) - 1 # end a few seconds later @victory = victory # TODO: should just make this signify the winning superteam @victoryIsTentative = tentative status = if @victory then 'won' else 'lost' @publishNote status console.log "The world ended in #{status} on frame #{@totalFrames}" addSystems: (systems...) -> @systems = @systems.concat systems for system in systems @systemMap[system.constructor.className] = system getSystem: (systemClassName) -> @systemMap?[systemClassName] addScripts: (scripts...) -> @scripts = (@scripts ? []).concat scripts addTrackedProperties: (props...) -> @trackedProperties = (@trackedProperties ? []).concat props serialize: -> # Code hotspot; optimize it if @frames.length < @totalFrames then throw new Error("World Should Be Over Before Serialization") [transferableObjects, nontransferableObjects] = [0, 0] o = {name: @name, totalFrames: @totalFrames, maxTotalFrames: @maxTotalFrames, frameRate: @frameRate, dt: @dt, victory: @victory, userCodeMap: {}, trackedProperties: {}} o.trackedProperties[prop] = @[prop] for prop in @trackedProperties or [] for thangID, methods of @userCodeMap serializedMethods = o.userCodeMap[thangID] = {} for methodName, method of methods serializedMethods[methodName] = method.serialize?() ? method # serialize the method again if it has been deserialized t0 = now() o.trackedPropertiesThangIDs = [] o.trackedPropertiesPerThangIndices = [] o.trackedPropertiesPerThangKeys = [] o.trackedPropertiesPerThangTypes = [] trackedPropertiesPerThangValues = [] # We won't send these, just the offsets and the storage buffer o.trackedPropertiesPerThangValuesOffsets = [] # Needed to reconstruct ArrayBufferViews on other end, since Firefox has bugs transfering those: https://bugzilla.mozilla.org/show_bug.cgi?id=841904 and https://bugzilla.mozilla.org/show_bug.cgi?id=861925 transferableStorageBytesNeeded = 0 nFrames = @frames.length for thang in @thangs # Don't serialize empty trackedProperties for stateless Thangs which haven't changed (like obstacles). # Check both, since sometimes people mark stateless Thangs but don't change them, and those should still be tracked, and the inverse doesn't work on the other end (we'll just think it doesn't exist then). continue if thang.stateless and not _.some(thang.trackedPropertiesUsed, Boolean) o.trackedPropertiesThangIDs.push thang.id trackedPropertiesIndices = [] trackedPropertiesKeys = [] trackedPropertiesTypes = [] for used, propIndex in thang.trackedPropertiesUsed continue unless used trackedPropertiesIndices.push propIndex trackedPropertiesKeys.push thang.trackedPropertiesKeys[propIndex] trackedPropertiesTypes.push thang.trackedPropertiesTypes[propIndex] o.trackedPropertiesPerThangIndices.push trackedPropertiesIndices o.trackedPropertiesPerThangKeys.push trackedPropertiesKeys o.trackedPropertiesPerThangTypes.push trackedPropertiesTypes trackedPropertiesPerThangValues.push [] o.trackedPropertiesPerThangValuesOffsets.push [] for type in trackedPropertiesTypes transferableStorageBytesNeeded += ThangState.transferableBytesNeededForType(type, nFrames) if typedArraySupport o.storageBuffer = new ArrayBuffer(transferableStorageBytesNeeded) else o.storageBuffer = [] storageBufferOffset = 0 for trackedPropertiesValues, thangIndex in trackedPropertiesPerThangValues trackedPropertiesValuesOffsets = o.trackedPropertiesPerThangValuesOffsets[thangIndex] for type, propIndex in o.trackedPropertiesPerThangTypes[thangIndex] [storage, bytesStored] = ThangState.createArrayForType type, nFrames, o.storageBuffer, storageBufferOffset trackedPropertiesValues.push storage trackedPropertiesValuesOffsets.push storageBufferOffset ++transferableObjects if bytesStored ++nontransferableObjects unless bytesStored if typedArraySupport storageBufferOffset += bytesStored else # Instead of one big array with each storage as a view into it, they're all separate, so let's keep 'em around for flattening. storageBufferOffset += storage.length o.storageBuffer.push storage o.specialKeysToValues = [null, Infinity, NaN] # Whatever is in specialKeysToValues index 0 will be default for anything missing, so let's make sure it's null. # Don't think we can include undefined or it'll be treated as a sparse array; haven't tested performance. o.specialValuesToKeys = {} for specialValue, i in o.specialKeysToValues o.specialValuesToKeys[specialValue] = i t1 = now() o.frameHashes = [] for frame, frameIndex in @frames o.frameHashes.push frame.serialize(frameIndex, o.trackedPropertiesThangIDs, o.trackedPropertiesPerThangIndices, o.trackedPropertiesPerThangTypes, trackedPropertiesPerThangValues, o.specialValuesToKeys, o.specialKeysToValues) t2 = now() unless typedArraySupport flattened = [] for storage in o.storageBuffer for value in storage flattened.push value o.storageBuffer = flattened #console.log "Allocating memory:", (t1 - t0).toFixed(0), "ms; assigning values:", (t2 - t1).toFixed(0), "ms, so", ((t2 - t1) / @frames.length).toFixed(3), "ms per frame" #console.log "Got", transferableObjects, "transferable objects and", nontransferableObjects, "nontransferable; stored", transferableStorageBytesNeeded, "bytes transferably" o.thangs = (t.serialize() for t in @thangs.concat(@extraneousThangs ? [])) o.scriptNotes = (sn.serialize() for sn in @scriptNotes) if o.scriptNotes.length > 200 console.log "Whoa, serializing a lot of WorldScriptNotes here:", o.scriptNotes.length {serializedWorld: o, transferableObjects: [o.storageBuffer]} @deserialize: (o, classMap, oldSerializedWorldFrames, worldCreationTime, finishedWorldCallback) -> # Code hotspot; optimize it #console.log "Deserializing", o, "length", JSON.stringify(o).length #console.log JSON.stringify(o) #console.log "Got special keys and values:", o.specialValuesToKeys, o.specialKeysToValues perf = {} perf.t0 = now() w = new World o.name, o.userCodeMap, classMap [w.totalFrames, w.maxTotalFrames, w.frameRate, w.dt, w.scriptNotes, w.victory] = [o.totalFrames, o.maxTotalFrames, o.frameRate, o.dt, o.scriptNotes ? [], o.victory] w[prop] = val for prop, val of o.trackedProperties perf.t1 = now() w.thangs = (Thang.deserialize(thang, w, classMap) for thang in o.thangs) w.setThang thang for thang in w.thangs w.scriptNotes = (WorldScriptNote.deserialize(sn, w, classMap) for sn in o.scriptNotes) perf.t2 = now() o.trackedPropertiesThangs = (w.getThangByID thangID for thangID in o.trackedPropertiesThangIDs) o.trackedPropertiesPerThangValues = [] for trackedPropertyTypes, thangIndex in o.trackedPropertiesPerThangTypes o.trackedPropertiesPerThangValues.push (trackedPropertiesValues = []) trackedPropertiesValuesOffsets = o.trackedPropertiesPerThangValuesOffsets[thangIndex] for type, propIndex in trackedPropertyTypes storage = ThangState.createArrayForType(type, o.totalFrames, o.storageBuffer, trackedPropertiesValuesOffsets[propIndex])[0] unless typedArraySupport # This could be more efficient i = trackedPropertiesValuesOffsets[propIndex] storage = o.storageBuffer.slice i, i + storage.length trackedPropertiesValues.push storage perf.t3 = now() perf.batches = 0 w.frames = [] _.delay @deserializeSomeFrames, 1, o, w, finishedWorldCallback, perf # Spread deserialization out across multiple calls so the interface stays responsive @deserializeSomeFrames: (o, w, finishedWorldCallback, perf) => ++perf.batches startTime = now() for frameIndex in [w.frames.length ... o.totalFrames] w.frames.push WorldFrame.deserialize(w, frameIndex, o.trackedPropertiesThangIDs, o.trackedPropertiesThangs, o.trackedPropertiesPerThangKeys, o.trackedPropertiesPerThangTypes, o.trackedPropertiesPerThangValues, o.specialKeysToValues, o.frameHashes[frameIndex]) if (now() - startTime) > DESERIALIZATION_INTERVAL _.delay @deserializeSomeFrames, 1, o, w, finishedWorldCallback, perf return @finishDeserializing w, finishedWorldCallback, perf @finishDeserializing: (w, finishedWorldCallback, perf) => perf.t4 = now() w.ended = true w.getFrame(w.totalFrames - 1).restoreState() perf.t5 = now() console.log "Deserialization:", (perf.t5 - perf.t0).toFixed(0) + "ms (" + ((perf.t5 - perf.t0) / w.frames.length).toFixed(3) + "ms per frame).", perf.batches, "batches." if false console.log " Deserializing--constructing new World:", (perf.t1 - perf.t0).toFixed(2) + "ms" console.log " Deserializing--Thangs and ScriptNotes:", (perf.t2 - perf.t1).toFixed(2) + "ms" console.log " Deserializing--reallocating memory:", (perf.t3 - perf.t2).toFixed(2) + "ms" console.log " Deserializing--WorldFrames:", (perf.t4 - perf.t3).toFixed(2) + "ms" console.log " Deserializing--restoring last WorldFrame:", (perf.t5 - perf.t4).toFixed(2) + "ms" finishedWorldCallback w findFirstChangedFrame: (oldWorld) -> return @firstChangedFrame = 0 unless oldWorld for newFrame, i in @frames oldFrame = oldWorld.frames[i] break unless oldFrame and newFrame.hash is oldFrame.hash @firstChangedFrame = i if @frames[i] console.log "First changed frame is", @firstChangedFrame, "with hash", @frames[i].hash, "compared to", oldWorld.frames[i]?.hash else console.log "No frames were changed out of all", @frames.length @firstChangedFrame pointsForThang: (thangID, frameStart=0, frameEnd=null, camera=null, resolution=4) -> # Optimized @pointsForThangCache ?= {} cacheKey = thangID allPoints = @pointsForThangCache[cacheKey] unless allPoints allPoints = [] lastFrameIndex = @frames.length - 1 lastPos = x: null, y: null for frameIndex in [lastFrameIndex .. 0] by -1 frame = @frames[frameIndex] if pos = frame.thangStateMap[thangID]?.getStateForProp 'pos' pos = camera.worldToSurface {x: pos.x, y: pos.y} if camera # without z if not lastPos.x? or (Math.abs(lastPos.x - pos.x) + Math.abs(lastPos.y - pos.y)) > 1 lastPos = pos allPoints.push lastPos.y, lastPos.x unless lastPos.y is 0 and lastPos.x is 0 allPoints.reverse() @pointsForThangCache[cacheKey] = allPoints points = [] [lastX, lastY] = [null, null] for frameIndex in [Math.floor(frameStart / resolution) ... Math.ceil(frameEnd / resolution)] x = allPoints[frameIndex * 2 * resolution] y = allPoints[frameIndex * 2 * resolution + 1] continue if x is lastX and y is lastY lastX = x lastY = y points.push x, y points actionsForThang: (thangID, keepIdle=false) -> # Optimized @actionsForThangCache ?= {} cacheKey = thangID + "_" + Boolean(keepIdle) cached = @actionsForThangCache[cacheKey] return cached if cached states = (frame.thangStateMap[thangID] for frame in @frames) actions = [] lastAction = '' for state, i in states action = state?.getStateForProp 'action' continue unless action and (action isnt lastAction or state.actionActivated) continue unless state.action isnt 'idle' or keepIdle actions.push {frame: i, pos: state.pos, name: action} lastAction = action @actionsForThangCache[cacheKey] = actions return actions getTeamColors: -> teamConfigs = @teamConfigs or {} colorConfigs = {} colorConfigs[teamName] = config.color for teamName, config of teamConfigs colorConfigs teamForPlayer: (n) -> playableTeams = @playableTeams ? ['humans'] playableTeams[n % playableTeams.length]