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vehicles.lua
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local abs, max, rad, deg, cos, sin, ceil = math.abs, math.max, math.rad, math.deg, math.cos, math.sin, math.ceil;
local _;
local truckAttacherJoint = {};
-- ##### VEHICLE TOOLS ##### --
courseplay.attacherJointNodeRotationList = {};
function courseplay:calculateTurnRadius(type, wheelBase, rotMax, CPRatio)
local turnRadius = 0;
CPRatio = CPRatio or 0;
-- ArticulatedAxis Steering
if (type == "ASW" or type == "Tool") and CPRatio > 0 and CPRatio < 1 then
if CPRatio <= 0.5 then
turnRadius = wheelBase * (1-CPRatio) / sin(rotMax) * (CPRatio * cos(rotMax) + 1 - CPRatio);
else
turnRadius = wheelBase * CPRatio / sin(rotMax) * (CPRatio + (1 - CPRatio) * cos(rotMax));
end;
-- 4 Wheel Steering
elseif type == "4WS" then
turnRadius = wheelBase / (2 * sin(rotMax)) * cos(rotMax);
-- 2 Wheel Steering
elseif (type == "2WS" or type == "Tool") then
turnRadius = wheelBase / sin(rotMax) * cos(rotMax);
end;
return turnRadius;
end;
function courseplay:createNewLinkedNode(object, nodeName, linkToNode)
if not object.cp.notesToDelete then object.cp.notesToDelete = {}; end;
local node = createTransformGroup(nodeName);
link(linkToNode, node);
table.insert(object.cp.notesToDelete, 1, node);
return node;
end;
function courseplay:disableCropDestruction(vehicle)
-- Make sure we have the cp table
if vehicle.cp == nil then vehicle.cp = {}; end;
-- Disable crop destruction if enabled
if vehicle.cropDestruction then
vehicle.cp.cropDestructionIsActiveBackup = vehicle.cropDestruction.isActive;
vehicle.cropDestruction.isActive = false;
end;
-- CHECK ATTACHED IMPLEMENTS
for _,impl in pairs(vehicle:getAttachedImplements()) do
courseplay:disableCropDestruction(impl.object);
end;
end;
function courseplay:enableCropDestruction(vehicle)
-- Enable crop destruction if backup is set
if vehicle.cropDestruction and vehicle.cp and vehicle.cp.cropDestructionIsActiveBackup ~= nil then
vehicle.cropDestruction.isActive = vehicle.cp.cropDestructionIsActiveBackup;
vehicle.cp.cropDestructionIsActiveBackup = nil;
end;
-- CHECK ATTACHED IMPLEMENTS
for _,impl in pairs(vehicle:getAttachedImplements()) do
courseplay:enableCropDestruction(impl.object);
end;
end;
--- courseplay:findJointNodeConnectingToNode(workTool, fromNode, toNode, doReverse)
-- Returns: (node, backtrack, rotLimits)
-- node will return either: 1. The jointNode that connects to the toNode,
-- 2. The toNode if no jointNode is found but the fromNode is inside the same component as the toNode
-- 3. nil in case none of the above fails.
-- backTrack will return either: 1. A table of all the jointNodes found from fromNode to toNode, if the jointNode that connects to the toNode is found.
-- 2: nil if no jointNode is found.
-- rotLimits will return either: 1. A table of all the rotLimits of the componentJoint, found from fromNode to toNode, if the jointNode that connects to the toNode is found.
-- 2: nil if no jointNode is found.
function courseplay:findJointNodeConnectingToNode(workTool, fromNode, toNode, doReverse)
if fromNode == toNode then return toNode; end;
-- Attempt to find the jointNode by backtracking the compomentJoints.
for index, component in ipairs(workTool.components) do
if courseplay:isPartOfNode(fromNode, component.node) then
if not doReverse then
for _, joint in ipairs(workTool.componentJoints) do
if joint.componentIndices[2] == index then
if workTool.components[joint.componentIndices[1]].node == toNode then
-- node backtrack rotLimits
return joint.jointNode, {joint.jointNode}, {joint.rotLimit};
else
local node, backTrack, rotLimits = courseplay:findJointNodeConnectingToNode(workTool, workTool.components[joint.componentIndices[1]].node, toNode);
if backTrack then table.insert(backTrack, 1, joint.jointNode); end;
if rotLimits then table.insert(rotLimits, 1, joint.rotLimit); end;
return node, backTrack, rotLimits;
end;
end;
end;
end;
-- Do Reverse in case not found
for _, joint in ipairs(workTool.componentJoints) do
if joint.componentIndices[1] == index then
if workTool.components[joint.componentIndices[2]].node == toNode then
-- node backtrack rotLimits
return joint.jointNode, {joint.jointNode}, {joint.rotLimit};
else
local node, backTrack, rotLimits = courseplay:findJointNodeConnectingToNode(workTool, workTool.components[joint.componentIndices[2]].node, toNode, true);
if backTrack then table.insert(backTrack, 1, joint.jointNode); end;
if rotLimits then table.insert(rotLimits, 1, joint.rotLimit); end;
return node, backTrack, rotLimits;
end;
end;
end;
end;
end;
-- Last attempt to find the jointNode by getting parent of parent untill hit or the there is no more parents.
if courseplay:isPartOfNode(fromNode, toNode) then
return toNode, nil;
end;
-- If anything else fails, return nil
return nil, nil;
end;
function courseplay:getDistances(object)
if not object.cp.distances then
cpPrintLine(6);
local distances = {};
-- STEERABLES
if object.cp.directionNode then
-- Finde the front and rear distance from the direction node
local front, rear = 0, 0;
local haveRunnedOnce = false
for _, wheel in ipairs(object:getWheels()) do
local wdnrxTemp, wdnryTemp, wdnrzTemp = getRotation(wheel.driveNode);
setRotation(wheel.driveNode, 0, 0, 0);
local wreprxTemp, wrepryTemp, wreprzTemp = getRotation(wheel.repr);
setRotation(wheel.repr, 0, 0, 0);
local xw, yw, zw = getWorldTranslation(wheel.driveNode);
local _,_,dis = worldToLocal(object.cp.directionNode, xw, yw, zw);
setRotation(wheel.repr, wreprxTemp, wrepryTemp, wreprzTemp);
setRotation(wheel.driveNode, wdnrxTemp, wdnryTemp, wdnrzTemp);
if haveRunnedOnce then
if dis < rear then rear = dis; end;
if dis > front then front = dis; end;
else
rear = dis;
front = dis;
haveRunnedOnce = true;
end;
end;
-- Set the wheel offset anddistance
distances.frontWheelToDirectionNodeOffset = front * -1;
distances.frontWheelToRearWheel = abs(front - rear);
courseplay:debug(('%s: frontWheelToDirectionNodeOffset=%.2f, frontWheelToRearWheel=%.2f'):format(nameNum(object), distances.frontWheelToDirectionNodeOffset, distances.frontWheelToRearWheel), 6);
-- Finde the attacherJoints distance from the direction node
for _, attacherJoint in ipairs(object.spec_attacherJoints.attacherJoints) do
local xj, yj, zj = getWorldTranslation(attacherJoint.jointTransform);
local _,_,dis = worldToLocal(object.cp.directionNode, xj, yj, zj);
if dis < front then
if not distances.frontWheelToRearTrailerAttacherJoints then
distances.frontWheelToRearTrailerAttacherJoints = {};
end;
distances.frontWheelToRearTrailerAttacherJoints[attacherJoint.jointType] = abs(front - dis);
courseplay:debug(('%s: frontWheelToRearTrailerAttacherJoints[%d]=%.2f'):format(nameNum(object), attacherJoint.jointType, distances.frontWheelToRearTrailerAttacherJoints[attacherJoint.jointType]), 6);
end;
end
-- Finde the attacherJoints distance from the turning node
local turningNode = courseplay:getRealTurningNode(object);
for _, attacherJoint in ipairs(object.spec_attacherJoints.attacherJoints) do
local xj, yj, zj = getWorldTranslation(attacherJoint.jointTransform);
local _, _, deltaZ = worldToLocal(object.cp.directionNode, xj, yj, zj);
-- If we are behind the front wheel, then it should be an attacherJoing on the rear
if deltaZ < front then
local _,_,dis = worldToLocal(turningNode, xj, yj, zj);
dis = dis * -1;
if not distances.turningNodeToRearTrailerAttacherJoints then
distances.turningNodeToRearTrailerAttacherJoints = {};
end;
distances.turningNodeToRearTrailerAttacherJoints[attacherJoint.jointType] = dis;
courseplay:debug(('%s: turningNodeToRearTrailerAttacherJoints[%d]=%.2f'):format(nameNum(object), attacherJoint.jointType, distances.turningNodeToRearTrailerAttacherJoints[attacherJoint.jointType]), 6);
end;
end
-- IMPLEMENTS OR TRAILERS
else
local activeInputAttacherJoint = object:getActiveInputAttacherJoint();
local node = activeInputAttacherJoint.node;
local isHookLift = courseplay:isHookLift(object);
local lastNode = courseplay:getLastComponentNodeWithWheels(object)
if activeInputAttacherJoint.rootNode ~= lastNode and not isHookLift then
local tempNode, backTrack, rotLimits = courseplay:findJointNodeConnectingToNode(object, activeInputAttacherJoint.rootNode, lastNode);
if tempNode and backTrack then
node = tempNode;
local nodeLength = 0;
local isPivoted = false;
for i = 1, #backTrack do
if rotLimits ~= nil and rotLimits[i]~= nil and rotLimits[i][2] ~= nil and rotLimits[i][2] > rad(15) then
isPivoted = true;
end;
if i == 1 then
tempNode = activeInputAttacherJoint.node;
else
tempNode = backTrack[i-1];
end;
local tmpnx, tmpny, tmpnz = getWorldTranslation(tempNode);
local _,_,dis = worldToLocal(backTrack[i], tmpnx, tmpny, tmpnz);
courseplay:debug(('%s: backTrack[%d](node: %s) Length = %.2f'):format(nameNum(object), i, tostring(backTrack[i]), abs(dis)), 6);
nodeLength = nodeLength + abs(dis);
end;
if isPivoted then
distances.attacherJointToPivot = nodeLength;
courseplay:debug(('%s: attacherJointToPivot=%.2f'):format(nameNum(object), distances.attacherJointToPivot), 6);
else
distances.attacherJointToLastMovingPart = nodeLength;
courseplay:debug(('%s: attacherJointToLastMovingPart=%.2f'):format(nameNum(object), distances.attacherJointToLastMovingPart), 6);
end;
end;
end;
-- backup node rotation and set the rotation to 0
local nodeXTemp, nodeYTemp, nodeZTemp = getRotation(node);
setRotation(node, 0, 0, 0);
-- Find the distance from attacherJoint to rear wheel
local objectWheels = object:getWheels();
if objectWheels and #objectWheels > 0 and not isHookLift then
local length = 0;
for _, wheel in ipairs(objectWheels) do
if wheel.maxLatStiffnessLoad > 0.5 then
local nx, ny, nz = getWorldTranslation(wheel.driveNode);
local _,_,dis = worldToLocal(node, nx, ny, nz);
if abs(dis) > length then
length = abs(dis);
end;
end;
end;
if distances.attacherJointToPivot then
distances.pivotToRearWheel = length;
distances.attacherJointToRearWheel = distances.attacherJointToPivot + length;
elseif distances.attacherJointToLastMovingPart then
distances.attacherJointToRearWheel = distances.attacherJointToLastMovingPart + length;
else
distances.attacherJointToRearWheel = length;
end;
courseplay:debug(('%s: attacherJointToRearWheel=%.2f'):format(nameNum(object), distances.attacherJointToRearWheel), 6);
end;
-- Finde the attacherJoints distance from the direction node
for _, attacherJoint in ipairs(object.spec_attacherJoints.attacherJoints) do
local nx, ny, nz = getWorldTranslation(attacherJoint.jointTransform);
local _,_,dis = worldToLocal(node, nx, ny, nz);
dis = dis * -1;
if dis > 0 then
if not distances.attacherJointToRearTrailerAttacherJoints then
distances.attacherJointToRearTrailerAttacherJoints = {};
end;
if distances.attacherJointToPivot then
if not distances.pivotToRearTrailerAttacherJoints then
distances.pivotToRearTrailerAttacherJoints = {};
end;
distances.pivotToRearTrailerAttacherJoints[attacherJoint.jointType] = dis;
distances.attacherJointToRearTrailerAttacherJoints[attacherJoint.jointType] = distances.attacherJointToPivot + dis;
elseif distances.attacherJointToLastMovingPart then
distances.attacherJointToRearTrailerAttacherJoints[attacherJoint.jointType] = distances.attacherJointToLastMovingPart + dis;
else
distances.attacherJointToRearTrailerAttacherJoints[attacherJoint.jointType] = dis;
end;
courseplay:debug(('%s: attacherJointToRearTrailerAttacherJoints[%d]=%.2f'):format(nameNum(object), attacherJoint.jointType, distances.attacherJointToRearTrailerAttacherJoints[attacherJoint.jointType]), 6);
end;
end;
if distances.attacherJointToRearWheel then
local turningNode = courseplay:getRealTurningNode(object);
-- Finde the attacherJoints distance from the turning node
for _, attacherJoint in ipairs(object.spec_attacherJoints.attacherJoints) do
local nx, ny, nz = getWorldTranslation(attacherJoint.jointTransform);
local _,_,dis = worldToLocal(turningNode, nx, ny, nz);
dis = dis * -1;
if not distances.turningNodeToTrailerAttacherJoints then
distances.turningNodeToTrailerAttacherJoints = {};
end;
distances.turningNodeToTrailerAttacherJoints[attacherJoint.jointType] = dis;
courseplay:debug(('%s: turningNodeToTrailerAttacherJoints[%d]=%.2f'):format(nameNum(object), attacherJoint.jointType, distances.turningNodeToTrailerAttacherJoints[attacherJoint.jointType]), 6);
end;
-- Finde the attacherJoint/Pivot distance to the turning node
local nx, ny, nz = getWorldTranslation(node);
local _,_,dis = worldToLocal(turningNode, nx, ny, nz);
if distances.attacherJointToLastMovingPart then
distances.attacherJointOrPivotToTurningNode = distances.attacherJointToLastMovingPart + dis;
else
distances.attacherJointOrPivotToTurningNode = dis;
end;
courseplay:debug(('%s: attacherJointOrPivotToTurningNode=%.2f'):format(nameNum(object), distances.attacherJointOrPivotToTurningNode), 6);
end;
-- restore node rotation from backup.
setRotation(node, nodeXTemp, nodeYTemp, nodeZTemp);
end;
object.cp.distances = distances;
end;
return object.cp.distances;
end;
function courseplay:getDirectionNodeToTurnNodeLength(vehicle)
--- This is in case vehicle is a tool and CP havent been set on it
if not vehicle.cp then
vehicle.cp = {};
end;
local totalDistance = 0;
--- If this have not been set before after last stop command, we need to reset it again.
-- This also prevents from this code to calculate each loop while we are turning and can save CPU usage
if not vehicle.cp.directionNodeToTurnNodeLength then
local distances = vehicle.cp.distances;
for _, imp in ipairs(vehicle:getAttachedImplements()) do
if courseplay:isRearAttached(vehicle, imp.jointDescIndex) then
local workTool = imp.object;
local activeInputAttacherJoint = workTool:getActiveInputAttacherJoint();
if courseplay:isWheeledWorkTool(workTool) then
local workToolDistances = workTool.cp.distances;
if workToolDistances.attacherJointToPivot then
totalDistance = totalDistance + workToolDistances.attacherJointToPivot;
courseplay:debug(('getDirectionNodeToTurnNodeLength() -> %s: attacherJointToPivot=%.2fm'):format(nameNum(workTool), workToolDistances.attacherJointToPivot), 14);
end;
totalDistance = totalDistance + workToolDistances.attacherJointOrPivotToTurningNode;
courseplay:debug(('getDirectionNodeToTurnNodeLength() -> %s: attacherJointOrPivotToTurningNode=%.2fm'):format(nameNum(workTool), workToolDistances.attacherJointOrPivotToTurningNode), 14);
courseplay:debug(('getDirectionNodeToTurnNodeLength() -> %s: attacherJointToTurningNode=%.2fm'):format(nameNum(workTool), totalDistance), 14);
else
if not distances.attacherJointOrPivotToTurningNode and distances.attacherJointToRearTrailerAttacherJoints then
totalDistance = totalDistance + distances.attacherJointToRearTrailerAttacherJoints[activeInputAttacherJoint.jointType];
end;
totalDistance = totalDistance + courseplay:getDirectionNodeToTurnNodeLength(workTool);
--courseplay:debug(('%s: directionNodeToTurnNodeLength=%.2fm'):format(nameNum(workTool), totalDistance), 14);
end;
break;
end;
end;
if vehicle.cp.directionNode and totalDistance > 0 then
for _, imp in ipairs(vehicle:getAttachedImplements()) do
if courseplay:isRearAttached(vehicle, imp.jointDescIndex) then
local workTool = imp.object;
local activeInputAttacherJoint = workTool:getActiveInputAttacherJoint();
totalDistance = totalDistance + distances.turningNodeToRearTrailerAttacherJoints[activeInputAttacherJoint.jointType];
break;
end;
end;
vehicle.cp.directionNodeToTurnNodeLength = totalDistance;
courseplay:debug(('getDirectionNodeToTurnNodeLength() -> %s: directionNodeToTurnNodeLength=%.2fm'):format(nameNum(vehicle), totalDistance), 14);
end;
end;
return vehicle.cp.directionNodeToTurnNodeLength or totalDistance;
end;
function courseplay:getRealDollyFrontNode(dolly)
if dolly.cp.realDollyFrontNode == nil then
local activeInputAttacherJoint = dolly:getActiveInputAttacherJoint();
local node, _ = courseplay:findJointNodeConnectingToNode(dolly, activeInputAttacherJoint.rootNode, dolly.rootNode);
if node then
-- Trailers without pivote
if (node == dolly.rootNode and activeInputAttacherJoint.jointType ~= AttacherJoints.JOINTTYPE_IMPLEMENT)
-- Implements with pivot and wheels that do not lift the wheels from the ground.
or (node ~= dolly.rootNode and activeInputAttacherJoint.jointType == AttacherJoints.JOINTTYPE_IMPLEMENT and not activeInputAttacherJoint.topReferenceNode) then
dolly.cp.realDollyFrontNode = courseplay:getRealTurningNode(dolly);
else
dolly.cp.realDollyFrontNode = false;
end;
end;
end;
return dolly.cp.realDollyFrontNode
end;
function courseplay:getRealTrailerDistanceToPivot(workTool)
-- Attempt to find the pivot node.
local activeInputAttacherJoint = workTool:getActiveInputAttacherJoint();
local node, backTrack = courseplay:findJointNodeConnectingToNode(workTool, activeInputAttacherJoint.rootNode, courseplay:getLastComponentNodeWithWheels(workTool));
if node then
local x,y,z;
if node == workTool.rootNode then
x,y,z = getWorldTranslation(activeInputAttacherJoint.node);
else
x,y,z = getWorldTranslation(node);
end;
local _,_,tz = worldToLocal(courseplay:getRealTurningNode(workTool), x,y,z);
return tz;
else
return 3;
end;
end;
function courseplay:getRealTrailerFrontNode(workTool)
if not workTool.cp.realFrontNode then
local activeInputAttacherJoint = workTool:getActiveInputAttacherJoint();
local jointNode, backtrack = courseplay:findJointNodeConnectingToNode(workTool, activeInputAttacherJoint.rootNode, workTool.rootNode);
if jointNode and backtrack and activeInputAttacherJoint.jointType ~= AttacherJoints.JOINTTYPE_IMPLEMENT then
local rootNode;
for _, joint in ipairs(workTool.componentJoints) do
if joint.jointNode == jointNode and joint.rotLimit~= nil and joint.rotLimit[2] ~= nil and joint.rotLimit[2] > rad(15) then
rootNode = workTool.components[joint.componentIndices[2]].node;
break;
end;
end;
if rootNode then
local node = courseplay:createNewLinkedNode(workTool, "realFrontNode", rootNode);
local x, y, z = getWorldTranslation(jointNode);
local _,_,delta = worldToLocal(rootNode, x, y, z);
setTranslation(node, 0, 0, delta);
if courseplay:isInvertedToolNode(workTool, node) then
setRotation(node, 0, rad(180), 0);
end;
workTool.cp.realFrontNode = node;
end;
end;
if not workTool.cp.realFrontNode then
if courseplay:getLastComponentNodeWithWheels(workTool) ~= workTool.rootNode then
workTool.cp.realFrontNode = courseplay:getRealTurningNode(workTool, workTool.rootNode, "realFrontNode");
else
workTool.cp.realFrontNode = courseplay:getRealTurningNode(workTool);
end;
end;
end;
return workTool.cp.realFrontNode
end;
function courseplay:getRealTurningNode(object, useNode, nodeName)
if not object.cp.turningNode or useNode then
local node; -- Define local value
local _, y, _ = getWorldTranslation(object.rootNode);
local minDis, maxDis = 0, 0;
local minDisRot, maxDisRot = 0, 0;
local haveStraitWheels, haveTurningWheels = false, false;
local Distance = 0;
-- STEERABLES
if object.cp.directionNode then
-- Giants have provided us with steeringCenterNode, so use it.
if object.steeringCenterNode then
-- The steeringCenterNode is already set for us to use.
node = object.steeringCenterNode;
-- Check if it's actually an four wheel steering
if not object.crawlers or #object.crawlers == 0 then
for index, wheel in ipairs(object:getWheels()) do
-- Strait wheels
if wheel.rotMax == 0 and wheel.maxLatStiffness > 0 then
haveStraitWheels = true;
-- Turning wheels
else
haveTurningWheels = true;
end;
end;
if not haveStraitWheels and haveTurningWheels then
object.cp.isFourWheelSteering = true;
end;
end;
else
-- Create an new linked node.
node = courseplay:createNewLinkedNode(object, "realTurningNode", object.rootNode);
-- Find the pivot point on articulated vehicle
if object.spec_articulatedAxis and object.spec_articulatedAxis.componentJoint then
local jointNode = object.spec_articulatedAxis.componentJoint.jointNode;
local x,_,z = getWorldTranslation(jointNode);
_,_,Distance = worldToLocal(object.rootNode, x, y, z);
-- Get the distance from root node to the wheels turning point.
else
local rotMax = 0;
-- Sort wheels in turning wheels and strait wheels and find the min and max distance for each set.
for index, wheel in ipairs(object:getWheels()) do
local x,_,z = getWorldTranslation(wheel.repr);
local _,_,dis = worldToLocal(object.rootNode, x, y, z);
-- Strait wheels
if wheel.rotMax == 0 and wheel.maxLatStiffness > 0 then
if haveStraitWheels then
if dis < minDis then minDis = dis; end;
if dis > maxDis then maxDis = dis; end;
else
minDis = dis;
maxDis = dis;
haveStraitWheels = true;
end;
-- Turning wheels
else
if abs(wheel.rotMax) > rotMax then
rotMax = abs(wheel.rotMax)
end;
if haveTurningWheels then
if dis < minDisRot then minDisRot = dis; end;
if dis > maxDisRot then maxDisRot = dis; end;
else
minDisRot = dis;
maxDisRot = dis;
haveTurningWheels = true;
end;
end;
end;
-- 2WS: Calculate strait wheel median distance
if haveStraitWheels then
if minDis == maxDis then
Distance = minDis;
else
Distance = (minDis + maxDis) * 0.5;
end;
-- 4WS: Calculate turning wheel median distance if there are no strait wheels.
elseif haveTurningWheels then
object.cp.isFourWheelSteering = true;
object.cp.fourWheelSteerMaxRot = rotMax;
if minDisRot == maxDisRot then
Distance = minDisRot;
else
Distance = (minDisRot + maxDisRot) * 0.5;
end;
end;
end;
if Distance ~= 0 then
setTranslation(node, 0, 0, Distance);
end;
end;
-- IMPLEMENTS OR TRAILERS
else
--local AIReverseNode = object:getAIToolReverserDirectionNode();
local invert = courseplay:isInvertedToolNode(object) and -1 or 1;
local steeringAxleScale = 0;
-- Use useNode or Get the last component node with wheels
local componentNode = useNode or courseplay:getLastComponentNodeWithWheels(object);
-- Greate an new linked node based on what component to use or nodeName.
local transformGroupName = nodeName or "realTurningNode";
node = courseplay:createNewLinkedNode(object, transformGroupName, componentNode);
if not useNode and not nodeName then
--if AIReverseNode then
-- local x,_,z = getWorldTranslation(AIReverseNode);
-- local _,_,dis = worldToLocal(componentNode, x, y, z);
-- Distance = dis * invert;
-- courseplay:debug(('%s: getRealTurningNode(): Using getAIToolReverserDirectionNode() -> distance = %.2f'):format(nameNum(object), Distance), 6);
--else
-- Get the distance from root node to the wheels turning point.
local objectWheels = object:getWheels();
if objectWheels and #objectWheels > 0 then
local steeringAxleScaleMin, steeringAxleScaleMax = 0, 0;
-- Sort wheels in turning wheels and strait wheels and find the min and max distance for each set.
for i = 1, #objectWheels do
if courseplay:isPartOfNode(objectWheels[i].node, componentNode) and objectWheels[i].isLeft ~= nil and objectWheels[i].maxLatStiffnessLoad > 0.5 then
local x,_,z = getWorldTranslation(objectWheels[i].driveNode);
local _,_,dis = worldToLocal(componentNode, x, y, z);
dis = dis * invert;
courseplay:debug(('%s: getRealTurningNode(): wheel%d distance = %.2f'):format(nameNum(object), i, dis), 6);
if object.steeringAxleUpdateBackwards == false or object.spec_wheels.wheels[i].steeringAxleScale == 0 then
if haveStraitWheels then
if dis < minDis then minDis = dis; end;
if dis > maxDis then maxDis = dis; end;
else
minDis = dis;
maxDis = dis;
haveStraitWheels = true;
end;
else
if objectWheels[i].steeringAxleScale < 0 and objectWheels[i].steeringAxleScale < steeringAxleScaleMin then
steeringAxleScaleMin = object.spec_wheels.wheels[i].steeringAxleScale;
elseif objectWheels[i].steeringAxleScale > 0 and objectWheels[i].steeringAxleScale > steeringAxleScaleMax then
steeringAxleScaleMax = objectWheels[i].steeringAxleScale;
end;
if haveTurningWheels then
if dis < minDisRot then minDisRot = dis; end;
if dis > maxDisRot then maxDisRot = dis; end;
else
minDisRot = dis;
maxDisRot = dis;
haveTurningWheels = true;
end;
end;
end;
end;
-- Calculate strait wheel median distance
if haveStraitWheels then
if minDis == maxDis then
Distance = minDis;
else
Distance = (minDis + maxDis) * 0.5;
end;
-- Calculate turning wheel median distance if there are no strait wheels.
elseif haveTurningWheels then
steeringAxleScale = steeringAxleScaleMin + steeringAxleScaleMax;
if minDisRot == maxDisRot then
Distance = minDisRot;
else
Distance = (minDisRot + maxDisRot) * 0.5;
end;
end;
courseplay:debug(('%s: getRealTurningNode(): haveStraitWheels=%q, haveTurningWheels=%q, Distance=%2f'):format(nameNum(object), tostring(haveStraitWheels), tostring(haveTurningWheels), Distance), 6);
end;
--end;
else
local jointNode = courseplay:getPivotJointNode(object);
if jointNode then
local x,_,z = getWorldTranslation(jointNode);
local _,_,dis = worldToLocal(node, x, y, z);
Distance = dis * invert;
end;
courseplay:debug(('%s: getRealTurningNode(): useNode=%q, nodeName=%q, Distance=%2f'):format(nameNum(object), tostring(useNode ~= nil), tostring(transformGroupName), Distance), 6);
end;
if object.cp.realTurnNodeOffsetZ and type(object.cp.realTurnNodeOffsetZ) == "number" then
Distance = Distance + object.cp.realTurnNodeOffsetZ;
courseplay:debug(('%s: getRealTurningNode(): Special turn node offset set: realTurnNodeOffsetZ=%2f, New Distance=%2f'):format(nameNum(object), object.cp.realTurnNodeOffsetZ, Distance), 6);
end;
if Distance ~= 0 then
setTranslation(node, 0, 0, Distance);
end;
if courseplay:isInvertedToolNode(object, node) then
setRotation(node, 0, rad(180), 0);
end;
if not haveStraitWheels and object.steeringAxleUpdateBackwards and steeringAxleScale < 0 then
local activeInputAttacherJoint = object:getActiveInputAttacherJoint();
local tempNode, _ = courseplay:findJointNodeConnectingToNode(object, activeInputAttacherJoint.rootNode, componentNode);
if tempNode then
local x, y, z;
if tempNode == object.rootNode then
x, y, z = getWorldTranslation(activeInputAttacherJoint.node);
else
x, y, z = getWorldTranslation(tempNode);
end;
local _,_,dis = worldToLocal(node, x, y, z);
local offset = (dis * abs(steeringAxleScale)) + Distance;
setTranslation(node, 0, 0, offset);
object.cp.steeringAxleUpdateBackwards = true;
end;
end;
end;
if useNode then
return node;
else
object.cp.turningNode = node;
end;
end;
return object.cp.turningNode;
end;
function courseplay:getPivotJointNode(workTool)
if workTool.cp.jointNode == nil then
local componentNode = courseplay:getLastComponentNodeWithWheels(workTool);
for index, component in ipairs(workTool.components) do
-- Check if we are in the right component.
if component.node == componentNode then
for jointIndex, joint in ipairs(workTool.componentJoints) do
-- Check if we have the right componentJoint and if it's an pivot joint
if joint.componentIndices[2] ~= nil and joint.rotLimit~= nil and joint.rotLimit[2]~= nil and joint.componentIndices[2] == index and joint.rotLimit[2] > rad(15) then
-- Set the joint index and stop the loop.
workTool.cp.jointNode = workTool.componentJoints[jointIndex].jointNode;
break;
end;
end;
break;
end;
end;
if not workTool.cp.jointNode or not courseplay:isWheeledWorkTool(workTool) then workTool.cp.jointNode = false end;
end;
return workTool.cp.jointNode;
end;
function courseplay:getLastComponentNodeWithWheels(workTool)
-- Check if there is more than 1 component
local workToolsWheels = workTool:getWheels();
if workToolsWheels and #workToolsWheels > 0 and #workTool.components > 1 then
-- Check if the tool has inverted nodes
local invert = courseplay:isInvertedToolNode(workTool) and -1 or 1;
-- Set default node to start from.
local node = workTool.rootNode;
-- Loop through all the components.
for index, component in ipairs(workTool.components) do
-- Don't use the component that is the rootNode.
if component.node ~= node then
-- Loop through all the wheels and see if they are attached to this component.
for i = 1, #workToolsWheels do
-- isLeft is only set for real wheels and not dummy wheels, so we can use that to sort out the dummy wheels
if workToolsWheels[i].isLeft ~= nil and workToolsWheels[i].maxLatStiffnessLoad > 0.5 then
if courseplay:isPartOfNode(workToolsWheels[i].node, component.node) then
-- Check if they are linked together
for _, joint in ipairs(workTool.componentJoints) do
if joint.componentIndices[2] == index then
if workTool.components[joint.componentIndices[1]].node == node then
-- Check if the component is behind the node.
local xJoint,yJoint,zJoint = getWorldTranslation(joint.jointNode);
local offset,_,direction = worldToLocal(node, xJoint,yJoint,zJoint);
--offset check to make sure we are selecting a node that is centered
if (direction * invert) < 0 and offset == 0 then
-- Component is hehind, so set the node to the new component node.
node = component.node;
end;
end;
end;
end;
break;
end;
end;
end;
end;
end;
-- Return the found node.
return node;
end;
-- Return default rootNode if none is found.
return workTool.rootNode
end;
function courseplay:getRealUnloadOrFillNode(workTool)
if workTool.cp.unloadOrFillNode == nil then
-- BALELOADERS and STRAWBLOWERS
if courseplay:isBaleLoader(workTool) or (courseplay:isSpecialBaleLoader(workTool) and workTool.cp.specialUnloadDistance) or workTool.cp.isStrawBlower then
-- Create the new node and link it to realTurningNode
local node = courseplay:createNewLinkedNode(workTool, "UnloadOrFillNode", courseplay:getRealTurningNode(workTool));
-- make sure we set the node distance position
local Distance = workTool.cp.specialUnloadDistance or -5;
setTranslation(node, 0, 0, Distance);
workTool.cp.unloadOrFillNode = node;
-- NORMAL FILLABLE TRAILERS WITH ALLOW TO BE FILLED FROM THE AIR
elseif workTool.cp.hasSpecializationTrailer and workTool.cp.hasSpecializationFillable and #workTool.spec_fillUnit.fillUnits > 0 then
-- Get the current exactFillRootNode.
local exactFillRootNode = workTool.spec_fillUnit.fillUnits[1].exactFillRootNode; -- TODO: Handle multiply exactFillRootNode for trailers with more than 1 fill plane. (temp fix for now)
-- Create the new node and link it to exactFillRootNode
local node = courseplay:createNewLinkedNode(workTool, "UnloadOrFillNode", exactFillRootNode);
-- Make sure ve set the height position to the same as the realTurningNode
local x, y, z = getWorldTranslation(courseplay:getRealTurningNode(workTool));
local _,Height,_ = worldToLocal(exactFillRootNode, x, y, z);
setTranslation(node, 0, Height, 0);
if courseplay:isInvertedToolNode(workTool, node) then
setRotation(node, 0, rad(180), 0);
end;
workTool.cp.unloadOrFillNode = node;
-- NONE OF THE ABOVE
else
workTool.cp.unloadOrFillNode = false;
end;
end;
return workTool.cp.unloadOrFillNode;
end;
function courseplay:getHighestToolTurnDiameter(object)
local turnDiameter = 0;
-- Tool attached to Steerable
for _, implement in ipairs(object:getAttachedImplements()) do
local workTool = implement.object;
if courseplay:isRearAttached(object, implement.jointDescIndex) then
local ttr = courseplay:getToolTurnRadius(workTool);
turnDiameter = ttr * 2;
courseplay:debug(('%s: toolTurnDiameter=%.2fm'):format(nameNum(workTool), turnDiameter), 6);
-- Check rear attached tools for turnDiameters
if workTool.getAttachedImplements and workTool:getAttachedImplements() ~= {} then
local ttd = courseplay:getHighestToolTurnDiameter(workTool);
if ttd > turnDiameter then
turnDiameter = ttd;
end;
end;
end;
end;
return turnDiameter;
end;
function courseplay:getToolTurnRadius(workTool)
local turnRadius = 0; -- Default value if none is set
if workTool.cp.overwriteTurnRadius and type(workTool.cp.overwriteTurnRadius) == "number" then
turnRadius = workTool.cp.overwriteTurnRadius;
courseplay:debug(('%s -> TurnRadius: overwriteTurnRadius is set: turnRadius set to %.2fm'):format(nameNum(workTool), turnRadius), 6);
elseif courseplay:isWheeledWorkTool(workTool) then
local radiusMultiplier = 1.05; -- Used to add a little bit to the radius, for safer turns.
local wheelBase = 0;
local rotMax = 0;
local CPRatio = 0;
local type = "Tool";
local TR = 0;
local frontLength = 0;
--attacherJointOrPivotToTurningNode
local attacherVehicle = workTool:getAttacherVehicle();
local workToolDistances = workTool.cp.distances or courseplay:getDistances(workTool);
for i, attachedImplement in pairs(attacherVehicle:getAttachedImplements()) do
if attachedImplement.object == workTool then
-- Check if AIVehicleUtil can calculate it for us
--local AIMaxToolRadius = AIVehicleUtil.getMaxToolRadius(attachedImplement) * 0.5;
--if AIMaxToolRadius > 0 then
-- if workToolDistances.attacherJointOrPivotToTurningNode > AIMaxToolRadius then
-- AIMaxToolRadius = workToolDistances.attacherJointOrPivotToTurningNode;
-- end;
-- courseplay:debug(('%s -> TurnRadius: AIVehicleUtil.getMaxToolRadius=%.2fm'):format(nameNum(workTool), AIMaxToolRadius), 6);
-- return AIMaxToolRadius;
--end;
-- AIVehicleUtil could not calculate it, so we do it our self.
rotMax = attachedImplement.upperRotLimit[2];
break;
end;
end;
local attacherVehicleDistances = attacherVehicle.cp.distances or courseplay:getDistances(attacherVehicle);
local activeInputAttacherJoint = workTool:getActiveInputAttacherJoint();
if deg(rotMax) >= 30 and deg(rotMax) < 90 then
-- We have turningNodeToRearTrailerAttacherJoints value
if attacherVehicleDistances.turningNodeToRearTrailerAttacherJoints then
frontLength = attacherVehicleDistances.turningNodeToRearTrailerAttacherJoints[activeInputAttacherJoint.jointType] or 0;
-- We have turningNodeToTrailerAttacherJoints value
elseif attacherVehicleDistances.turningNodeToTrailerAttacherJoints then
frontLength = attacherVehicleDistances.turningNodeToTrailerAttacherJoints[activeInputAttacherJoint.jointType] or 0;
-- We have to go backwards to find the real front distance (attacherVehicle dont have wheels and might be a weight or something else)
else
frontLength = attacherVehicleDistances.attacherJointToRearTrailerAttacherJoints[activeInputAttacherJoint.jointType] or 0;
local backTrackVehicle = attacherVehicle;
local oldBackTrackVehicle;
while true do
oldBackTrackVehicle = backTrackVehicle;
backTrackVehicle = oldBackTrackVehicle.getAttacherVehicle and oldBackTrackVehicle:getAttacherVehicle() or false;
if backTrackVehicle and backTrackVehicle ~= {} then
local distances = backTrackVehicle.cp.distances or courseplay:getDistances(backTrackVehicle);
local jointType = oldBackTrackVehicle.attacherJoint.jointType;
if distances.turningNodeToRearTrailerAttacherJoints then
frontLength = frontLength + distances.turningNodeToRearTrailerAttacherJoints[jointType];
break;
elseif distances.turningNodeToTrailerAttacherJoints then
frontLength = frontLength + distances.turningNodeToTrailerAttacherJoints[jointType];
break;
else
frontLength = frontLength + (distances.attacherJointToRearTrailerAttacherJoints[jointType] or 0);
end;
else
break;
end;
end;
end;
courseplay:debug(('%s -> TurnRadius: rotMax=%d°, frontLength=%.2fm'):format(nameNum(workTool), deg(rotMax), frontLength), 6);
-- WE ARE A PIVOTED TRAILER / IMPLEMENT
if workToolDistances.attacherJointToPivot then
local pivotRotMax = 0;
local lastNode = courseplay:getLastComponentNodeWithWheels(workTool)
local _, _, rotLimits = courseplay:findJointNodeConnectingToNode(workTool, activeInputAttacherJoint.rootNode, lastNode);
if rotLimits then
for _, rotLimit in pairs(rotLimits) do
if rotLimit[2] > pivotRotMax and rotLimit[2] > rad(15) then
pivotRotMax = rotLimit[2];
end;
end;
end;
courseplay:debug(('%s -> TurnRadius: pivotRotMax=%d° (Pivot trailer/implement)'):format(nameNum(workTool), deg(pivotRotMax)), 6);
-- We are an implement and should be handled a bit different
if workTool.spec_attacherJoints and workTool.spec_attacherJoints.attacherJoint and workTool.spec_attacherJoints.attacherJoint.jointType == AttacherJoints.JOINTTYPE_IMPLEMENT then
-- We have a valid pivotRotMax, so calculate it normally.
if pivotRotMax > rad(15) then
frontLength = frontLength + workToolDistances.attacherJointToPivot;
wheelBase = frontLength + workToolDistances.attacherJointOrPivotToTurningNode;
CPRatio = courseplay:getCenterPivotRatio(nil, wheelBase, frontLength);
TR = courseplay:calculateTurnRadius(type, wheelBase, pivotRotMax, CPRatio);
-- If pivotRotMax is not greater than 15 degrees,
-- we will then use half of the length from attacherJoint to turningNode as the turnRadius instead.
else
TR = ceil((workToolDistances.attacherJointToPivot + workToolDistances.attacherJointOrPivotToTurningNode) / 2 * radiusMultiplier);
end;
courseplay:debug(('%s -> TurnRadius: turnRadius=%.2fm (Pivot implement)'):format(nameNum(workTool), TR), 6);
-- We are an pivoted trailer
else
-- We have a valid pivotRotMax, so calculate it normally.
if pivotRotMax > rad(15) then
-- Dolly part
wheelBase = frontLength + workToolDistances.attacherJointToPivot;
CPRatio = courseplay:getCenterPivotRatio(nil, wheelBase, frontLength);
local pivotTR = ceil(courseplay:calculateTurnRadius(type, wheelBase, rotMax, CPRatio) * radiusMultiplier);
-- Trailer part
wheelBase = workToolDistances.attacherJointOrPivotToTurningNode;
CPRatio = 0;
TR = ceil(courseplay:calculateTurnRadius(type, wheelBase, pivotRotMax, CPRatio) * radiusMultiplier);
-- Take the highest one
if pivotTR > TR then
TR = pivotTR;
end;
-- If pivotRotMax is not greater than 15 degrees,
-- we will then use half of the length from attacherJoint to turningNode as the turnRadius instead.
else
TR = ceil((workToolDistances.attacherJointToPivot + workToolDistances.attacherJointOrPivotToTurningNode) / 2 * radiusMultiplier);
end;
courseplay:debug(('%s -> TurnRadius: turnRadius=%.2fm (Pivot trailer)'):format(nameNum(workTool), TR), 6);
end;
-- WE ARE A NORMAL TRAILER OR IMPLEMENT
else
wheelBase = frontLength + (workToolDistances.attacherJointOrPivotToTurningNode or 0);
CPRatio = courseplay:getCenterPivotRatio(nil, wheelBase, frontLength);
TR = ceil(courseplay:calculateTurnRadius(type, wheelBase, rotMax, CPRatio) * radiusMultiplier);
courseplay:debug(('%s -> TurnRadius: turnRadius=%.2fm (Normal trailer/implement)'):format(nameNum(workTool), TR), 6);
end;
if TR > 0 then
turnRadius = TR;
end;
end;
-- If we are not an implement then check if half trailer length is bigger than the turnRadius and set it, if it is.
if ((deg(rotMax) < 30 and deg(rotMax) >= 90) or activeInputAttacherJoint.jointType ~= AttacherJoints.JOINTTYPE_IMPLEMENT) and workToolDistances.attacherJointToRearWheel then
if (workToolDistances.attacherJointToRearWheel / 2) > turnRadius then
turnRadius = ceil(workToolDistances.attacherJointToRearWheel / 2 * radiusMultiplier);
courseplay:debug(('%s -> TurnRadius: Using half tool length = %.2fm'):format(nameNum(workTool), turnRadius), 6);
end;
end;
else
courseplay:debug(('%s -> TurnRadius: Have no wheels. turnRadius set to 0m'):format(nameNum(workTool)), 6);
end;
return turnRadius;
end;
function courseplay:getTotalLengthOnWheels(vehicle)
courseplay:debug(('%s: getTotalLengthOnWheels()'):format(nameNum(vehicle)), 6);