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Merge pull request #17 from linev/eve7_scene
eve7: add EveScene.js which is responsible for all scene operations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| /// @file EveScene.js | ||
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| (function( factory ) { | ||
| if ( typeof define === "function" && define.amd ) { | ||
| define( ['JSRootCore'], factory ); | ||
| } else if (typeof exports === 'object' && typeof module !== 'undefined') { | ||
| factory(require("./JSRootCore.js")); | ||
| } else { | ||
| if (typeof JSROOT == 'undefined') | ||
| throw new Error('JSROOT is not defined', 'EveScene.js'); | ||
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| factory(JSROOT); | ||
| } | ||
| } (function(JSROOT) { | ||
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| "use strict"; | ||
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| console.log("loading EveScene.js"); | ||
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| /// constructor, handle for REveScene class | ||
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| function EveScene(mgr,scene,viewer) | ||
| { | ||
| this.mgr = mgr; | ||
| this.scene = scene; | ||
| this.id = scene.fSceneId; | ||
| this.viewer = viewer; | ||
| this.creator = new JSROOT.EVE.EveElements(); | ||
| this.creator.useIndexAsIs = (JSROOT.GetUrlOption('useindx') !== null); | ||
| this.id2obj_map = {}; | ||
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| // register ourself for scene events | ||
| this.mgr.RegisterSceneReceiver(scene.fSceneId, this); | ||
| } | ||
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| EveScene.prototype.hasRenderData = function(elem) | ||
| { | ||
| if (elem===undefined) | ||
| elem = this.mgr.GetElement(this.id); | ||
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| if (!elem) return false; | ||
| if (elem.render_data) return true; | ||
| if (elem.childs) | ||
| for (var k = 0; k < elem.childs.length; ++k) | ||
| if (this.hasRenderData(elem.childs[k])) return true; | ||
| return false; | ||
| } | ||
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| EveScene.prototype.makeGLRepresentation = function(elem) | ||
| { | ||
| if (!elem.render_data) return null; | ||
| var fname = elem.render_data.rnr_func; | ||
| var obj3d = this.creator[fname](elem, elem.render_data); | ||
| if (obj3d) | ||
| { | ||
| obj3d._typename = "THREE.Mesh"; | ||
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| // SL: this is just identifier for highlight, required to show items on other places, set in creator | ||
| obj3d.geo_object = elem.fMasterId || elem.fElementId; | ||
| obj3d.geo_name = elem.fName; // used for highlight | ||
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| //AMT: reference needed in MIR callback | ||
| obj3d.eveId = elem.fElementId; | ||
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| if (elem.render_data.matrix) | ||
| { | ||
| obj3d.matrixAutoUpdate = false; | ||
| obj3d.matrix.fromArray( elem.render_data.matrix ); | ||
| obj3d.updateMatrixWorld(true); | ||
| } | ||
| return obj3d; | ||
| } | ||
| } | ||
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| EveScene.prototype.create3DObjects = function(res3d, all_ancestor_children_visible, elem0) | ||
| { | ||
| if (elem0 === undefined) | ||
| elem0 = this.mgr.GetElement(this.id); | ||
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| if (!elem0 || !elem0.childs) return; | ||
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| for (var k = 0; k < elem0.childs.length; ++k) | ||
| { | ||
| var elem = elem0.childs[k]; | ||
| if (elem.render_data) | ||
| { | ||
| var fname = elem.render_data.rnr_func, obj3d = null; | ||
| if (!this.creator[fname]) | ||
| { | ||
| console.error("Function " + fname + " missing in creator"); | ||
| } | ||
| else | ||
| { | ||
| var obj3d = this.makeGLRepresentation(elem); | ||
| if (obj3d) | ||
| { | ||
| // MT - should maintain hierarchy ???? | ||
| // Easier to remove ... but might need sub-class of | ||
| // Object3D to separate "graphical" children and structural children. | ||
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| res3d.push(obj3d); | ||
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| this.id2obj_map[elem.fElementId] = obj3d; | ||
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| obj3d.visible = elem.fRnrSelf && all_ancestor_children_visible; | ||
| obj3d.all_ancestor_children_visible = all_ancestor_children_visible; | ||
| } | ||
| } | ||
| } | ||
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| this.create3DObjects(res3d, elem.fRnrChildren && all_ancestor_children_visible, elem); | ||
| } | ||
| } | ||
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| /** method insert all objects into three.js container */ | ||
| EveScene.prototype.redrawScene = function() | ||
| { | ||
| if (!this.viewer) return; | ||
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| var res3d = []; | ||
| this.create3DObjects(res3d, true); | ||
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| var cont = this.viewer.getThreejsContainer("scene" + this.id); | ||
| while (cont.children.length > 0) | ||
| cont.remove(cont.children[0]); | ||
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| for (var k = 0; k < res3d.length; ++k) | ||
| cont.add(res3d[k]); | ||
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| this.viewer.render(); | ||
| } | ||
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| EveScene.prototype.getObj3D = function(elementId) | ||
| { | ||
| return this.id2obj_map[elementId]; | ||
| } | ||
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| EveScene.prototype.update3DObjectsVisibility = function(arr, all_ancestor_children_visible) | ||
| { | ||
| if (!arr) return; | ||
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| for (var k = 0; k < arr.length; ++k) | ||
| { | ||
| var elem = arr[k]; | ||
| if (elem.render_data) | ||
| { | ||
| var obj3d = this.getObj3D(elem.fElementId); | ||
| if (obj3d) | ||
| { | ||
| obj3d.visible = elem.fRnrSelf && all_ancestor_children_visible; | ||
| obj3d.all_ancestor_children_visible = all_ancestor_children_visible; | ||
| } | ||
| } | ||
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| this.update3DObjectsVisibility(elem.childs, elem.fRnrChildren && all_ancestor_children_visible); | ||
| } | ||
| } | ||
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| EveScene.prototype.visibilityChildrenChanged = function(el) | ||
| { | ||
| console.log("visibility children changed ", this.mgr, el); | ||
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| if (el.childs) | ||
| { | ||
| // XXXX Overkill, but I don't have obj3d for all elements. | ||
| // Also, can do this traversal once for the whole update package, | ||
| // needs to be managed from EveManager.js. | ||
| // Or marked here and then recomputed before rendering (probably better). | ||
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| var scene = this.mgr.GetElement(el.fSceneId); | ||
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| this.update3DObjectsVisibility(scene.childs, true); | ||
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| if (this.viewer) | ||
| this.viewer.render(); | ||
| } | ||
| } | ||
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| EveScene.prototype.colorChanged = function(el) | ||
| { | ||
| console.log("color change ", el.fElementId, el.fMainColor); | ||
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| this.replaceElement(el); | ||
| } | ||
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| EveScene.prototype.replaceElement = function(el) | ||
| { | ||
| if (!this.viewer) return; | ||
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| var obj3d = this.getObj3D(el.fElementId); | ||
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| var container = this.viewer.getThreejsContainer("scene" + this.id); | ||
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| container.remove(obj3d); | ||
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| obj3d = this.makeGLRepresentation(el); | ||
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| container.add(obj3d); | ||
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| this.id2obj_map[el.fElementId] = obj3d; | ||
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| this.viewer.render(); | ||
| } | ||
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| EveScene.prototype.elementAdded = function(el) { | ||
| if (!this.viewer) return; | ||
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| var obj3d = this.makeGLRepresentation(el); | ||
| if (!obj3d) return; | ||
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| var container = this.viewer.getThreejsContainer("scene" + this.id); | ||
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| container.add(obj3d); | ||
| console.log("element added ", el); | ||
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| this.viewer.render(); | ||
| } | ||
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| EveScene.prototype.visibilityChanged = function(el) | ||
| { | ||
| var obj3d = this.getObj3D( el.fElementId ); | ||
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| if (obj3d) | ||
| { | ||
| obj3d.visible = obj3d.all_ancestor_children_visible && el.fRnrSelf; | ||
| } | ||
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| if (this.viewer) | ||
| this.viewer.render(); | ||
| } | ||
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| EveScene.prototype.elementRemoved = function() { | ||
| } | ||
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| EveScene.prototype.beginChanges = function() { | ||
| } | ||
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| EveScene.prototype.endChanges = function() { | ||
| } | ||
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| EveScene.prototype.onSceneChanged = function(id) | ||
| { | ||
| console.log("scene changed", id); | ||
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| this.redrawScene(); | ||
| } | ||
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| JSROOT.EVE.EveScene = EveScene; | ||
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| return JSROOT; | ||
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| })); |
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