overte/scripts/system/create/editModes/editVoxels.js

393 lines
14 KiB
JavaScript

//
// editModes.js
//
// Created by Karol Suprynowicz on 2022.05.17.
// Copyright 2022 Overte e.V.
//
// Based on voxels.js
// Created by Seth Alves on 2015-08-25
// Copyright 2015 High Fidelity, Inc.
//
// Based on entitySelectionTool.js
// Created by Brad hefta-Gaub on 10/1/14.
// Modified by Daniela Fontes * @DanielaFifo and Tiago Andrade @TagoWill on 4/7/2017
// Modified by David Back on 1/9/2018
// Copyright 2014 High Fidelity, Inc.
// Copyright 2020 Vircadia contributors
//
// This script implements voxel edit mode
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
Script.include([
"./libraries/utils.js",
]);
EditVoxels = function() {
var self = this;
var that = {};
const NO_HAND = -1;
var controlHeld = false;
var shiftHeld = false;
var editEnabled = false;
var addingVoxels = false;
var deletingVoxels = false;
var addingSpheres = false;
var deletingSpheres = false;
var addingCubes = false;
var deletingCubes = false;
var continuousPaint = false;
var brushPointer = false;
var isActive = true;
var editSphereRadius = 0.15;
var brushLength = 0.5;
that.triggerClickMapping = Controller.newMapping(Script.resolvePath('') + '-click-voxels');
that.triggerPressMapping = Controller.newMapping(Script.resolvePath('') + '-press-voxels');
that.triggeredHand = NO_HAND;
that.pressedHand = NO_HAND;
that.setActive = function(active) {
isActive = (active === true);
}
that.updateEditSettings = function(data) {
if (data.createAppMode) {
if (data.createAppMode === "voxel"){
editEnabled = true;
} else {
editEnabled = false;
}
}
if (data.voxelEditMode) {
addingVoxels = false;
deletingVoxels = false;
addingSpheres = false;
deletingSpheres = false;
addingCubes = false;
deletingCubes = false;
if (data.voxelRemove) {
if (data.voxelEditMode === "single") {
deletingVoxels = true;
} else if (data.voxelEditMode === "sphere") {
deletingSpheres = true;
} else if (data.voxelEditMode === "cube") {
deletingCubes = true;
}
} else {
if (data.voxelEditMode === "single") {
addingVoxels = true;
} else if (data.voxelEditMode === "sphere") {
addingSpheres = true;
} else if (data.voxelEditMode === "cube") {
addingCubes = true;
}
}
}
if (data.voxelSphereSize) {
editSphereRadius = parseFloat(data.voxelSphereSize) / 2.0;
}
if (data.voxelEditDynamics) {
if (data.voxelEditDynamics === "continuous"){
continuousPaint = true;
} else {
continuousPaint = false;
}
}
if (data.voxelPointerMode) {
if (data.voxelPointerMode === "brush") {
brushPointer = true;
} else {
brushPointer = false;
}
}
if (data.voxelBrushLength) {
voxelBrushLength = parseFloat(data.voxelBrushLength);
}
}
function floorVector(v) {
return {
x: Math.floor(v.x),
y: Math.floor(v.y),
z: Math.floor(v.z)
};
}
function attemptVoxelChangeForEntity(entityID, pickRayDir, intersectionLocation) {
var wantDebug = false;
if (wantDebug) {
print("=============== eV::attemptVoxelChangeForEntity BEG =======================");
}
var properties = Entities.getEntityProperties(entityID);
if (properties.type != "PolyVox") {
return false;
}
if (!editEnabled || !isActive) {
return false;
}
if (addingVoxels == false && deletingVoxels == false && addingSpheres == false && deletingSpheres == false) {
return false;
}
var voxelOrigin = Entities.worldCoordsToVoxelCoords(entityID, Vec3.subtract(intersectionLocation, pickRayDir));
var voxelPosition = Entities.worldCoordsToVoxelCoords(entityID, intersectionLocation);
var pickRayDirInVoxelSpace = Vec3.subtract(voxelPosition, voxelOrigin);
pickRayDirInVoxelSpace = Vec3.normalize(pickRayDirInVoxelSpace);
if (wantDebug) {
print("voxelOrigin: " + JSON.stringify(voxelOrigin));
print("voxelPosition: " + JSON.stringify(voxelPosition));
print("pickRayDirInVoxelSpace: " + JSON.stringify(pickRayDirInVoxelSpace));
}
var doAdd = addingVoxels;
var doDelete = deletingVoxels;
var doAddSphere = addingSpheres;
var doDeleteSphere = deletingSpheres;
if (controlHeld) {
if (doAdd) {
doAdd = false;
doDelete = true;
} else if (doDelete) {
doDelete = false;
doAdd = true;
} else if (doAddSphere) {
doAddSphere = false;
doDeleteSphere = true;
} else if (doDeleteSphere) {
doDeleteSphere = false;
doAddSphere = true;
}
}
if (doDelete) {
var toErasePosition = Vec3.sum(voxelPosition, Vec3.multiply(pickRayDirInVoxelSpace, 0.1));
if (wantDebug) {
print("Calling setVoxel to delete");
print("entityID: " + JSON.stringify(entityID));
print("floorVector(toErasePosition): " + JSON.stringify(floorVector(toErasePosition)));
}
return Entities.setVoxel(entityID, floorVector(toErasePosition), 0);
}
if (doAdd) {
var toDrawPosition = Vec3.subtract(voxelPosition, Vec3.multiply(pickRayDirInVoxelSpace, 0.1));
if (wantDebug) {
print("Calling setVoxel to add");
print("entityID: " + JSON.stringify(entityID));
print("floorVector(toDrawPosition): " + JSON.stringify(floorVector(toDrawPosition)));
}
return Entities.setVoxel(entityID, floorVector(toDrawPosition), 255);
}
if (doDeleteSphere) {
var toErasePosition = intersectionLocation;
if (wantDebug) {
print("Calling setVoxelSphere to delete");
print("entityID: " + JSON.stringify(entityID));
print("editSphereRadius: " + JSON.stringify(editSphereRadius));
print("floorVector(toErasePosition): " + JSON.stringify(floorVector(toErasePosition)));
}
return Entities.setVoxelSphere(entityID, floorVector(toErasePosition), editSphereRadius, 0);
}
if (doAddSphere) {
var toDrawPosition = intersectionLocation;
if (wantDebug) {
print("Calling setVoxelSphere to add");
print("entityID: " + JSON.stringify(entityID));
print("editSphereRadius: " + JSON.stringify(editSphereRadius));
print("floorVector(toDrawPosition): " + JSON.stringify(floorVector(toDrawPosition)));
}
return Entities.setVoxelSphere(entityID, floorVector(toDrawPosition), editSphereRadius, 255);
}
}
function attemptVoxelChange(pickRayDir, intersection) {
var wantDebug = false;
if (wantDebug) {
print("=============== eV::attemptVoxelChange BEG =======================");
}
var ids;
ids = Entities.findEntities(intersection.intersection, editSphereRadius + 1.0);
if (ids.indexOf(intersection.entityID) < 0) {
ids.push(intersection.entityID);
}
if (wantDebug) {
print("Entities: " + JSON.stringify(ids));
}
var success = false;
for (var i = 0; i < ids.length; i++) {
var entityID = ids[i];
success |= attemptVoxelChangeForEntity(entityID, pickRayDir, intersection.intersection)
}
return success;
}
function controllerComputePickRay() {
var hand = triggered() ? that.triggeredHand : that.pressedHand;
var controllerPose = getControllerWorldLocation(hand, true);
if (controllerPose.valid) {
var controllerPosition = controllerPose.translation;
// This gets point direction right, but if you want general quaternion it would be more complicated:
var controllerDirection = Quat.getUp(controllerPose.rotation);
return {origin: controllerPosition, direction: controllerDirection};
}
}
function generalComputePickRay(x, y) {
return controllerComputePickRay() || Camera.computePickRay(x, y);
}
function mousePressEvent(event) {
var wantDebug = false;
if (!editEnabled || !isActive) {
return false;
}
if (wantDebug) {
print("=============== eV::mousePressEvent BEG =======================");
}
if (!event.isLeftButton && !triggered()) {
return;
}
var pickRay = generalComputePickRay(event.x, event.y);
var intersection = Entities.findRayIntersection(pickRay, true); // accurate picking
if (wantDebug) {
print("Pick ray: " + JSON.stringify(pickRay));
print("Intersection: " + JSON.stringify(intersection));
}
if (intersection.intersects) {
if (attemptVoxelChange(pickRay.direction, intersection)) {
return;
}
}
// if the PolyVox entity is empty, we can't pick against its "on" voxels. try picking against its
// bounding box, instead.
intersection = Entities.findRayIntersection(pickRay, false); // bounding box picking
if (intersection.intersects) {
attemptVoxelChange(pickRay.direction, intersection);
}
}
function mouseReleaseEvent(event) {
return;
}
function keyPressEvent(event) {
if (event.text == "CONTROL") {
controlHeld = true;
}
if (event.text == "SHIFT") {
shiftHeld = true;
}
}
function keyReleaseEvent(event) {
if (event.text == "CONTROL") {
controlHeld = false;
}
if (event.text == "SHIFT") {
shiftHeld = false;
}
}
function triggered() {
return that.triggeredHand !== NO_HAND;
};
function pointingAtDesktopWindowOrTablet(hand) {
var pointingAtDesktopWindow = (hand === Controller.Standard.RightHand &&
SelectionManager.pointingAtDesktopWindowRight) ||
(hand === Controller.Standard.LeftHand &&
SelectionManager.pointingAtDesktopWindowLeft);
var pointingAtTablet = (hand === Controller.Standard.RightHand && SelectionManager.pointingAtTabletRight) ||
(hand === Controller.Standard.LeftHand && SelectionManager.pointingAtTabletLeft);
return pointingAtDesktopWindow || pointingAtTablet;
}
function makeClickHandler(hand) {
return function (clicked) {
if (!editEnabled) {
return;
}
// Don't allow both hands to trigger at the same time
if (triggered() && hand !== that.triggeredHand) {
return;
}
if (!triggered() && clicked && !pointingAtDesktopWindowOrTablet(hand)) {
that.triggeredHand = hand;
mousePressEvent({});
} else if (triggered() && !clicked) {
that.triggeredHand = NO_HAND;
mouseReleaseEvent({});
}
};
}
function makePressHandler(hand) {
return function (value) {
if (!editEnabled) {
return;
}
if (value >= TRIGGER_ON_VALUE && !triggered() && !pointingAtDesktopWindowOrTablet(hand)) {
that.pressedHand = hand;
} else {
that.pressedHand = NO_HAND;
}
}
}
function cleanup() {
Controller.mousePressEvent.disconnect(self.mousePressEvent);
Controller.mouseReleaseEvent.disconnect(self.mouseReleaseEvent);
Controller.keyPressEvent.disconnect(self.keyPressEvent);
Controller.keyReleaseEvent.disconnect(self.keyReleaseEvent);
}
Controller.mousePressEvent.connect(mousePressEvent);
Controller.mouseReleaseEvent.connect(mouseReleaseEvent);
Controller.keyPressEvent.connect(keyPressEvent);
Controller.keyReleaseEvent.connect(keyReleaseEvent);
that.triggerClickMapping.from(Controller.Standard.RTClick).peek().to(makeClickHandler(Controller.Standard.RightHand));
that.triggerClickMapping.from(Controller.Standard.LTClick).peek().to(makeClickHandler(Controller.Standard.LeftHand));
that.triggerPressMapping.from(Controller.Standard.RT).peek().to(makePressHandler(Controller.Standard.RightHand));
that.triggerPressMapping.from(Controller.Standard.LT).peek().to(makePressHandler(Controller.Standard.LeftHand));
that.enableTriggerMapping = function() {
that.triggerClickMapping.enable();
that.triggerPressMapping.enable();
};
that.disableTriggerMapping = function() {
that.triggerClickMapping.disable();
that.triggerPressMapping.disable();
};
that.enableTriggerMapping();
Script.scriptEnding.connect(cleanup);
Script.scriptEnding.connect(that.disableTriggerMapping);
return that;
}