/* <copyright>
Copyright (c) 2012, Motorola Mobility LLC.
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</copyright> */
/* Base class for the 3D translate tools
Subclass TranslateObject3DTool will translate the object that was clicked.
*/
var Montage = require("montage/core/core").Montage,
ModifierToolBase = require("js/tools/modifier-tool-base").ModifierToolBase,
toolHandleModule = require("js/stage/tool-handle"),
viewUtils = require("js/helper-classes/3D/view-utils").ViewUtils,
vecUtils = require("js/helper-classes/3D/vec-utils").VecUtils,
drawUtils = require("js/helper-classes/3D/draw-utils").DrawUtils,
ElementsMediator = require("js/mediators/element-mediator").ElementMediator;
exports.Translate3DToolBase = Montage.create(ModifierToolBase,
{
_inLocalMode: { value: true, enumerable: true },
_clickedOnStage: { value: false },
HandleDoubleClick : {
value : function() {
}
},
modifyElements : {
value : function(data, event)
{
//console.log( "modifyElements, data: " + data.pt0 + " => " + data.pt1 );
// form the translation vector and post translate the matrix by it.
var delta = vecUtils.vecSubtract( 3, data.pt1, data.pt0 );
if(this._handleMode !== null)
{
switch(this._handleMode)
{
case 0:
delta[1] = 0;
delta[2] = 0;
break;
case 1:
delta[0] = 0;
delta[2] = 0;
break;
case 2:
delta[0] = 0;
delta[1] = 0;
break;
}
if( (this.application.ninja.selectedElements.length > 1) && this._clickedOnStage )
{
this._delta = ~~(delta[this._handleMode]);
}
else
{
this._delta += ~~(delta[this._handleMode]);
}
}
else
{
if(this._mode === 1)
{
delta[2] = delta[1];
delta[0] = 0;
delta[1] = 0;
}
this._delta = delta.slice(0);
}
//console.log( "modifyElements delta: " + delta );
var transMat = Matrix.Translation( delta );
//console.log( "Translate: " + delta );
if(this._inLocalMode && (this.application.ninja.selectedElements.length === 1) )
{
this._translateLocally(transMat);
}
else
{
this._translateGlobally(transMat);
}
}
},
Reset: {
value: function() {
var mat, iMat, dist, mod3dObject = [], self = this;
this.application.ninja.selectedElements.forEach(function(element) {
// Reset to the identity matrix
//item = this.application.ninja.selectedElements[i];
iMat = Matrix.I(4);
mat = ElementsMediator.getMatrix(element);
mat[12] = 0;
mat[13] = 0;
mat[14] = 0;
dist = ElementsMediator.getPerspectiveDist(element);
var previousStyleStr = {dist:dist, mat:element.elementModel.getProperty("mat")};
var newStyleStr = {dist:dist, mat:iMat};
mod3dObject.push({element:element, properties:newStyleStr, previousProperties: previousStyleStr});
});
ElementsMediator.set3DProperties(mod3dObject, "Change", "rotateTool");
this.isDrawing = false;
this.endDraw(event);
// Need to force stage to draw immediately so the new selection center is calculated
this.application.ninja.stage.draw();
// And captureSelectionDrawn to draw the transform handles
this.captureSelectionDrawn(null);
}
},
// We will only translate single elements locally
_translateLocally: {
value: function (transMat) {
//console.log( "_translateLocally, startMat: " + this._startMat );
//console.log( "_translateLocally, transMat: " + transMat );
//console.log( "_translateLocally, startMat: " + this._startMat + ", transMat: " + transMat );
var mat = glmat4.multiply(this._startMat, transMat, []);
viewUtils.setMatrixForElement( this._target, mat, true );
if(this._mode !== 1)
{
this._startMat = mat;
}
}
},
_translateGlobally: {
value: function (transMat) {
//console.log( "_translateGlobally, transMat: " + transMat );
var selectedElements = this.application.ninja.selectedElements;
var len = selectedElements.length,
self = this,
target = selectedElements[0],
curMat = viewUtils.getMatrixFromElement( target ),
matInv = glmat4.inverse(this._startMat, []),
nMat = glmat4.multiply(transMat, this._startMat, [] );
// qMat = glmat4.multiply(matInv, nMat, []);
if(this._mode === 1) {
if (len > 1) curMat = target.elementModel.getProperty("mat").slice();
var curInv = glmat4.inverse( curMat, [] );
transMat = glmat4.multiply( nMat, curInv, [] );
}
var shouldUpdateStartMat = true;
if(this._clickedOnStage || ((this._handleMode === 2) && (len > 1)))
{
shouldUpdateStartMat = false;
}
else if(this._mode !== 1)
{
this._startMat = nMat;
}
selectedElements.forEach(function(element) {
curMat = element.elementModel.getProperty("mat").slice(0);
// glmat4.multiply(curMat, qMat, curMat);
// viewUtils.setMatrixForElement( elt, curMat, true);
curMat[12] += transMat[12];
curMat[13] += transMat[13];
curMat[14] += transMat[14];
viewUtils.setMatrixForElement(element, curMat, true);
if(shouldUpdateStartMat) {
//console.log( "\t\tshouldUpdateStartMat" );
element.elementModel.setProperty("mat", curMat);
}
});
}
},
_updateTargets: {
value: function(addToUndo) {
var mod3dObject = [], self = this;
this.application.ninja.selectedElements.forEach(function(element) {
if(addToUndo) {
var previousMat = element.elementModel.getProperty("mat").slice(0);
var previousStyleStr = {dist:element.elementModel.getProperty("dist"), mat:MathUtils.scientificToDecimal(previousMat, 5)};
var newStyleStr = {dist:viewUtils.getPerspectiveDistFromElement(element), mat:MathUtils.scientificToDecimal(viewUtils.getMatrixFromElement(element), 5)};
mod3dObject.push({element:element, properties:newStyleStr, previousProperties: previousStyleStr});
}
});
if(addToUndo) {
ElementsMediator.set3DProperties(mod3dObject, "Change", "translateTool");
if(this._origin && this._delta) {
if(this._handleMode !== null) {
this._origin[this._handleMode] += this._delta;
} else {
this._origin[0] += this._delta[0];
this._origin[1] += this._delta[1];
}
}
this._delta = null;
}
this.application.ninja.selectedElements.forEach(function(element) {
element.elementModel.setProperty("mat", viewUtils.getMatrixFromElement(element));
element.elementModel.setProperty("dist", viewUtils.getPerspectiveDistFromElement(element));
});
}
},
HandleAltKeyDown: {
value: function(event) {
this._inLocalMode = !this._inLocalMode;
this.DrawHandles();
}
},
HandleAltKeyUp: {
value: function(event) {
this._inLocalMode = !this._inLocalMode;
this.DrawHandles();
}
},
handleScroll: {
value: function(event) {
this.captureSelectionDrawn(null);
}
},
_updateHandlesOrigin: {
value: function () {
var ctr;
var len = this.application.ninja.selectedElements.length;
if(len > 0)
{
if(len === 1)
{
var item = this._target;
viewUtils.pushViewportObj( item );
ctr = viewUtils.getCenterOfProjection();
viewUtils.popViewportObj();
ctr[2] = 0;
this._origin = viewUtils.localToGlobal(ctr, item);
}
else
{
this._origin = undefined;
this._origin = this.calculateMultiSelOrigin();
}
}
}
},
captureSelectionDrawn: {
value: function(event){
this._origin = null;
this._startOriginArray = null;
var len = this.application.ninja.selectedElements.length;
if(len) {
if(len === 1) {
this.target = this.application.ninja.selectedElements[0];
drawUtils.addElement(this.target);
viewUtils.pushViewportObj( this.target );
var eltCtr = viewUtils.getCenterOfProjection();
eltCtr[2] = 0;
viewUtils.popViewportObj();
var ctrOffset = this.target.elementModel.props3D.m_transformCtr;
if(ctrOffset) {
eltCtr[2] = 0;
eltCtr = vecUtils.vecAdd(3, eltCtr, ctrOffset);
}
this._origin = viewUtils.localToGlobal(eltCtr, this.target);
// console.log( "Rotate3DToolBase.captureSelectionDrawn _origin: " + this._origin );
this._updateTargets();
//this._setTransformOrigin(false);
}
else {
this.target = this.application.ninja.currentDocument.model.documentRoot;
//this._origin = drawUtils._selectionCtr.slice(0);
//this._origin[0] += this.application.ninja.stage.userContentLeft;
//this._origin[1] += this.application.ninja.stage.userContentTop;
this._updateTargets();
this._origin = this.calculateMultiSelOrigin();
//this._setTransformOrigin(true);
}
}
else {
this.target = null;
}
this.DrawHandles();
if(event)
{
this.eventManager.removeEventListener("selectionDrawn", this, true);
}
}
},
calculateMultiSelOrigin:
{
value: function()
{
var minPt, maxPt, i,j;
this._startOriginArray = [];
var len = this.application.ninja.selectedElements.length;
for (i = 0; i < len; i++)
{
// get the next element and localToGlobal matrix
var elt = this.application.ninja.selectedElements[i];
var l2g = elt.elementModel.getProperty("l2g");
// get the element bounds in 'plane' space
var bounds = viewUtils.getElementViewBounds3D( elt );
for (j=0; j<4; j++)
{
var localPt = bounds[j];
//var pt = MathUtils.transformAndDivideHomogeneousPoint( localPt, l2g );
var pt = viewUtils.localToStageWorld( localPt, elt );
if (!minPt)
{
minPt = pt.slice();
maxPt = pt.slice();
}
else
{
minPt[0] = Math.min(minPt[0],pt[0]); minPt[1] = Math.min(minPt[1],pt[1]); minPt[2] = Math.min(minPt[2],pt[2]);
maxPt[0] = Math.max(maxPt[0],pt[0]); maxPt[1] = Math.max(maxPt[1],pt[1]); maxPt[2] = Math.max(maxPt[2],pt[2]);
}
}
}
var stageWorldCtr = [ 0.5*(minPt[0] + maxPt[0]), 0.5*(minPt[1] + maxPt[1]), 0.5*(minPt[2] + maxPt[2]) ];
var globalCtr = MathUtils.transformAndDivideHomogeneousPoint( stageWorldCtr, viewUtils.getStageWorldToGlobalMatrix() );
// console.log( "resetting _origin to: " + this._origin );
return globalCtr;
}
},
DrawHandles: {
value: function (delta) {
this.application.ninja.stage.clearDrawingCanvas();
if(!this._handles)
{
this._handles = [];
// TODO - Using dummy cursors for now
// translateX
var rX = toolHandleModule.TranslateHandle.create();
rX.init("url('images/cursors/Translate_X.png') 0 0, default", 'rgba(255,0,0,1)', "x");
this._handles.push(rX);
// translateY
var rY = toolHandleModule.TranslateHandle.create();
rY.init("url('images/cursors/Translate_Y.png') 0 0, default", 'rgba(0,255,0,1)', "y");
this._handles.push(rY);
// translateZ
var rZ = toolHandleModule.TranslateHandle.create();
rZ.init("url('images/cursors/Translate_Z.png') 0 0, default", 'rgba(0,0,255,1)', "z");
this._handles.push(rZ);
}
var item = this._target;
if(!item)
{
return;
}
// Draw tool handles
this._updateHandlesOrigin();
var base = this._origin.slice(0);
// if (this.isDrawing)
// console.log( "handle origin: " + base );
var len = this.application.ninja.selectedElements.length;
var lMode = this._inLocalMode;
if(len === 1)
{
viewUtils.pushViewportObj( item );
}
else
{
lMode = false;
viewUtils.pushViewportObj( this.application.ninja.currentDocument.model.documentRoot );
}
if(this._handleMode !== null)
{
switch(this._handleMode)
{
case 0:
this._handles[1]._strokeStyle = 'rgba(0, 255, 0, 0.2)';
this._handles[2]._strokeStyle = 'rgba(0, 0, 255, 0.2)';
break;
case 1:
this._handles[0]._strokeStyle = 'rgba(255, 0, 0, 0.2)';
this._handles[2]._strokeStyle = 'rgba(0, 0, 255, 0.2)';
break;
case 2:
this._handles[0]._strokeStyle = 'rgba(255, 0, 0, 0.2)';
this._handles[1]._strokeStyle = 'rgba(0, 255, 0, 0.2)';
break;
}
if( delta && (len > 1) )
{
base[this._handleMode] += ~~delta;
}
}
this._handles[0].draw(base, item, lMode);
this._handles[1].draw(base, item, lMode);
this._handles[2].draw(base, item, lMode);
if(delta && (this._handleMode !== null))
{
this._handles[this._handleMode].drawDelta(~~delta);
}
this._handles[0]._strokeStyle = 'rgba(255, 0, 0, 1)';
this._handles[1]._strokeStyle = 'rgba(0, 255, 0, 1)';
this._handles[2]._strokeStyle = 'rgba(0, 0, 255, 1)';
viewUtils.popViewportObj();
}
}
});