dAnimIKController* CreateSkeletonRig(DemoEntity* const character)
{
DemoEntity* const rootEntity = FindRigRoot(character);
dAnimIKController* const controller = CreateIKController();
controller->SetUserData(rootEntity);
int stack = 0;
DemoEntity* entityStack[32];
dAnimIKRigJoint* parentJointStack[32];
for (DemoEntity* node = rootEntity->GetChild(); node; node = node->GetSibling()) {
entityStack[stack] = node;
parentJointStack[stack] = controller->GetAsIKRigJoint();
stack ++;
}
while (stack) {
stack--;
DemoEntity* const entity = entityStack[stack];
dAnimIKRigJoint* const parentJoint = parentJointStack[stack];
dSkeletonRigDefinition* const definitions = FindDefinition(entity);
if (definitions) {
dAnimIK3dofJoint* const joint = new dAnimIK3dofJoint(parentJoint);
joint->SetUserData(entity);
for (DemoEntity* node = entity->GetChild(); node; node = node->GetSibling()) {
entityStack[stack] = node;
parentJointStack[stack] = joint;
stack++;
}
}
}
return controller;
}
DemoEntity* FindRigRoot(DemoEntity* const character)
{
int stack = 1;
DemoEntity* pool[32];
pool[0] = character;
const int nodesCount = sizeof(inverseKinematicsRidParts) / sizeof(inverseKinematicsRidParts[0]);
while (stack) {
stack--;
DemoEntity* const entity = pool[stack];
for (int i = 0; i < nodesCount; i++) {
if (entity->GetName() == inverseKinematicsRidParts[i].m_name) {
if (inverseKinematicsRidParts[i].m_type == dRigType::m_root)
{
return entity;
}
break;
}
}
for (DemoEntity* node = entity->GetChild(); node; node = node->GetSibling()) {
pool[stack] = node;
stack++;
}
}
dAssert(0);
return NULL;
}
void LoadLumberYardMesh(DemoEntityManager* const scene, const dVector& location, int shapeid)
{
DemoEntity* const entity = DemoEntity::LoadNGD_mesh ("lumber.ngd", scene->GetNewton(), scene->GetShaderCache());
dTree<NewtonCollision*, DemoMesh*> filter;
NewtonWorld* const world = scene->GetNewton();
dFloat density = 15.0f;
int defaultMaterialID = NewtonMaterialGetDefaultGroupID(scene->GetNewton());
for (DemoEntity* child = entity->GetFirst(); child; child = child->GetNext()) {
DemoMesh* const mesh = (DemoMesh*)child->GetMesh();
if (mesh) {
dAssert(mesh->IsType(DemoMesh::GetRttiType()));
dTree<NewtonCollision*, DemoMesh*>::dTreeNode* node = filter.Find(mesh);
if (!node) {
// make a collision shape only for and instance
dFloat* const array = mesh->m_vertex;
dVector minBox(1.0e10f, 1.0e10f, 1.0e10f, 1.0f);
dVector maxBox(-1.0e10f, -1.0e10f, -1.0e10f, 1.0f);
for (int i = 0; i < mesh->m_vertexCount; i++) {
dVector p(array[i * 3 + 0], array[i * 3 + 1], array[i * 3 + 2], 1.0f);
minBox.m_x = dMin(p.m_x, minBox.m_x);
minBox.m_y = dMin(p.m_y, minBox.m_y);
minBox.m_z = dMin(p.m_z, minBox.m_z);
maxBox.m_x = dMax(p.m_x, maxBox.m_x);
maxBox.m_y = dMax(p.m_y, maxBox.m_y);
maxBox.m_z = dMax(p.m_z, maxBox.m_z);
}
dVector size(maxBox - minBox);
dMatrix offset(dGetIdentityMatrix());
offset.m_posit = (maxBox + minBox).Scale(0.5f);
NewtonCollision* const shape = NewtonCreateBox(world, size.m_x, size.m_y, size.m_z, shapeid, &offset[0][0]);
node = filter.Insert(shape, mesh);
}
// create a body and add to the world
NewtonCollision* const shape = node->GetInfo();
dMatrix matrix(child->GetMeshMatrix() * child->CalculateGlobalMatrix());
matrix.m_posit += location;
dFloat mass = density * NewtonConvexCollisionCalculateVolume(shape);
CreateSimpleSolid(scene, mesh, mass, matrix, shape, defaultMaterialID);
}
}
// destroy all shapes
while (filter.GetRoot()) {
NewtonCollision* const shape = filter.GetRoot()->GetInfo();
NewtonDestroyCollision(shape);
filter.Remove(filter.GetRoot());
}
delete entity;
}
DemoEntity* FindMesh(const DemoEntity* const bodyPart) const
{
for (DemoEntity* child = bodyPart->GetChild(); child; child = child->GetSibling()) {
if (child->GetMesh()) {
return child;
}
}
dAssert(0);
return NULL;
}
static void AddNonUniformScaledPrimitives(DemoEntityManager* const scene, dFloat mass, const dVector& origin, const dVector& size, int xCount, int zCount, dFloat spacing, PrimitiveType type, int materialID, const dMatrix& shapeOffsetMatrix)
{
// create the shape and visual mesh as a common data to be re used
NewtonWorld* const world = scene->GetNewton();
// NewtonCollision* const collision = CreateConvexCollision (world, &shapeOffsetMatrix[0][0], size, type, materialID);
NewtonCollision* const collision = CreateConvexCollision(world, dGetIdentityMatrix(), size, type, materialID);
dFloat startElevation = 1000.0f;
dMatrix matrix(dGetIdentityMatrix());
//matrix = dPitchMatrix(-45.0f * 3.141592f/180.0f);
for (int i = 0; i < xCount; i++) {
dFloat x = origin.m_x + (i - xCount / 2) * spacing;
for (int j = 0; j < zCount; j++) {
dFloat scalex = 1.0f + 1.5f * (dFloat(dRand()) / dFloat(dRAND_MAX) - 0.5f);
dFloat scaley = 1.0f + 1.5f * (dFloat(dRand()) / dFloat(dRAND_MAX) - 0.5f);
dFloat scalez = 1.0f + 1.5f * (dFloat(dRand()) / dFloat(dRAND_MAX) - 0.5f);
dFloat z = origin.m_z + (j - zCount / 2) * spacing;
matrix.m_posit.m_x = x;
matrix.m_posit.m_z = z;
dVector floor(FindFloor(world, dVector(matrix.m_posit.m_x, startElevation, matrix.m_posit.m_z, 0.0f), 2.0f * startElevation));
matrix.m_posit.m_y = floor.m_y + 8.0f;
// create a solid
//NewtonBody* const body = CreateSimpleSolid (scene, geometry, mass, matrix, collision, materialID);
NewtonBody* const body = CreateSimpleSolid(scene, NULL, mass, matrix, collision, materialID);
DemoEntity* entity = (DemoEntity*)NewtonBodyGetUserData(body);
NewtonCollisionSetScale(collision, scalex, scaley, scalez);
DemoMesh* const geometry = new DemoMesh("cylinder_1", collision, "smilli.tga", "smilli.tga", "smilli.tga");
entity->SetMesh(geometry, dGetIdentityMatrix());
NewtonBodySetCollisionScale(body, scalex, scaley, scalez);
dVector omega(0.0f);
NewtonBodySetOmega(body, &omega[0]);
// release the mesh
geometry->Release();
}
}
// do not forget to delete the collision
NewtonDestroyCollision(collision);
}
void SetCamera()
{
if (m_player) {
DemoEntityManager* const scene = (DemoEntityManager*)NewtonWorldGetUserData(GetWorld());
DemoCamera* const camera = scene->GetCamera();
dMatrix camMatrix(camera->GetNextMatrix());
DemoEntity* player = (DemoEntity*)NewtonBodyGetUserData(m_player->GetBody());
dMatrix playerMatrix(player->GetNextMatrix());
dFloat height = 2.0f;
dVector frontDir(camMatrix[0]);
dVector upDir(0.0f, 1.0f, 0.0f, 0.0f);
dVector camOrigin = playerMatrix.TransformVector(upDir.Scale(height));
camOrigin -= frontDir.Scale(PLAYER_THIRD_PERSON_VIEW_DIST);
camera->SetNextMatrix(*scene, camMatrix, camOrigin);
}
}
void PopulateBasePose(dAnimPose& basePose, DemoEntity* const character)
{
basePose.Clear();
int stack = 1;
DemoEntity* pool[32];
pool[0] = character;
while (stack) {
stack--;
DemoEntity* const entity = pool[stack];
dAnimKeyframe& transform = basePose.Append()->GetInfo();
dMatrix matrix(entity->GetCurrentMatrix());
transform.m_posit = matrix.m_posit;
transform.m_rotation = dQuaternion(matrix);
transform.m_userData = entity;
for (DemoEntity* node = entity->GetChild(); node; node = node->GetSibling()) {
pool[stack] = node;
stack++;
}
}
}
void ScaledMeshCollision (DemoEntityManager* const scene)
{
// load the skybox
scene->CreateSkyBox();
// load the scene from a ngd file format
CreateLevelMesh (scene, "flatPlane.ngd", 1);
//CreateLevelMesh (scene, "flatPlaneDoubleFace.ngd", 1);
//CreateLevelMesh (scene, "sponza.ngd", 0);
//CreateLevelMesh (scene, "cattle.ngd", fileName);
//CreateLevelMesh (scene, "playground.ngd", 0);
//dMatrix camMatrix (dRollMatrix(-20.0f * 3.1416f /180.0f) * dYawMatrix(-45.0f * 3.1416f /180.0f));
dMatrix camMatrix (dGetIdentityMatrix());
dQuaternion rot (camMatrix);
dVector origin (-15.0f, 5.0f, 0.0f, 0.0f);
//origin = origin.Scale (0.25f);
scene->SetCameraMatrix(rot, origin);
NewtonWorld* const world = scene->GetNewton();
int defaultMaterialID = NewtonMaterialGetDefaultGroupID (world);
dVector location (0.0f, 0.0f, 0.0f, 0.0f);
dMatrix matrix (dGetIdentityMatrix());
matrix.m_posit = location;
matrix.m_posit.m_x = 0.0f;
matrix.m_posit.m_y = 0.0f;
matrix.m_posit.m_z = 0.0f;
matrix.m_posit.m_w = 1.0f;
DemoEntity teaPot (dGetIdentityMatrix(), NULL);
teaPot.LoadNGD_mesh("teapot.ngd", world);
//teaPot.LoadNGD_mesh("box.ngd", world);
NewtonCollision* const staticCollision = CreateCollisionTree (world, &teaPot, 0, true);
CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (1.0f, 1.0f, 1.0f, 0.0f));
// CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (0.5f, 0.5f, 2.0f, 0.0f));
matrix.m_posit.m_z = -5.0f;
CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (0.5f, 0.5f, 2.0f, 0.0f));
matrix.m_posit.m_z = 5.0f;
CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (3.0f, 3.0f, 1.5f, 0.0f));
matrix.m_posit.m_z = 0.0f;
matrix.m_posit.m_x = -5.0f;
CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (0.5f, 0.5f, 0.5f, 0.0f));
matrix.m_posit.m_x = 5.0f;
CreateScaleStaticMesh (&teaPot, staticCollision, scene, matrix, dVector (2.0f, 2.0f, 2.0f, 0.0f));
// do not forget to destroy the collision mesh helper
NewtonDestroyCollision(staticCollision);
dVector size0 (1.0f, 1.0f, 1.0f, 0.0f);
dVector size1 (0.5f, 1.0f, 1.0f, 0.0f);
dMatrix shapeOffsetMatrix (dRollMatrix(3.141592f/2.0f));
int count = 3;
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _SPHERE_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _BOX_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _CAPSULE_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size1, count, count, 5.0f, _CAPSULE_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size1, count, count, 5.0f, _CYLINDER_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _CYLINDER_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _CHAMFER_CYLINDER_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _CONE_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _REGULAR_CONVEX_HULL_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
AddNonUniformScaledPrimitives(scene, 10.0f, location, size0, count, count, 5.0f, _RANDOM_CONVEX_HULL_PRIMITIVE, defaultMaterialID, shapeOffsetMatrix);
origin.m_x -= 4.0f;
origin.m_y += 1.0f;
scene->SetCameraMatrix(rot, origin);
}
NewtonCollision* CreateCollisionTree (NewtonWorld* world, DemoEntity* const entity, int materialID, bool optimize)
{
// measure the time to build a collision tree
unsigned64 timer0 = dGetTimeInMicrosenconds();
// create the collision tree geometry
NewtonCollision* collision = NewtonCreateTreeCollision(world, materialID);
// set the application level callback
#ifdef USE_STATIC_MESHES_DEBUG_COLLISION
NewtonStaticCollisionSetDebugCallback (collision, ShowMeshCollidingFaces);
#endif
// prepare to create collision geometry
NewtonTreeCollisionBeginBuild(collision);
// iterate the entire geometry an build the collision
for (DemoEntity* model = entity->GetFirst(); model; model = model->GetNext()) {
dMatrix matrix (model->GetMeshMatrix() * model->CalculateGlobalMatrix(entity));
DemoMesh* const mesh = (DemoMesh*)model->GetMesh();
dAssert (mesh->IsType(DemoMesh::GetRttiType()));
dFloat* const vertex = mesh->m_vertex;
for (DemoMesh::dListNode* nodes = mesh->GetFirst(); nodes; nodes = nodes->GetNext()) {
DemoSubMesh& segment = nodes->GetInfo();
int matID = segment.m_textureHandle;
for (int i = 0; i < segment.m_indexCount; i += 3) {
int index;
dVector face[3];
index = segment.m_indexes[i + 0] * 3;
face[0] = dVector (vertex[index + 0], vertex[index + 1], vertex[index + 2]);
index = segment.m_indexes[i + 1] * 3;
face[1] = dVector (vertex[index + 0], vertex[index + 1], vertex[index + 2]);
index = segment.m_indexes[i + 2] * 3;
face[2] = dVector (vertex[index + 0], vertex[index + 1], vertex[index + 2]);
matrix.TransformTriplex (&face[0].m_x, sizeof (dVector), &face[0].m_x, sizeof (dVector), 3);
// use material ids as physics materials
NewtonTreeCollisionAddFace(collision, 3, &face[0].m_x, sizeof (dVector), matID);
}
}
}
NewtonTreeCollisionEndBuild(collision, optimize ? 1 : 0);
// test Serialization
#if 0
FILE* file = fopen ("serialize.bin", "wb");
NewtonCollisionSerialize (world, collision, DemoEntityManager::SerializeFile, file);
fclose (file);
NewtonDestroyCollision (collision);
file = fopen ("serialize.bin", "rb");
collision = NewtonCreateCollisionFromSerialization (world, DemoEntityManager::DeserializeFile, file);
fclose (file);
#endif
// measure the time to build a collision tree
timer0 = (dGetTimeInMicrosenconds() - timer0) / 1000;
return collision;
}
void CreateRagdollExperiment_0(const dMatrix& location)
{
static dJointDefinition jointsDefinition[] =
{
{ "body" },
{ "leg", 100.0f,{ -15.0f, 15.0f, 30.0f },{ 0.0f, 0.0f, 180.0f }, dAnimationRagdollJoint::m_threeDof },
{ "foot", 100.0f,{ -15.0f, 15.0f, 30.0f },{ 0.0f, 90.0f, 0.0f }, dAnimationRagdollJoint::m_twoDof },
};
const int definitionCount = sizeof (jointsDefinition)/sizeof (jointsDefinition[0]);
NewtonWorld* const world = GetWorld();
DemoEntityManager* const scene = (DemoEntityManager*)NewtonWorldGetUserData(world);
DemoEntity* const modelEntity = DemoEntity::LoadNGD_mesh("selfbalance_01.ngd", GetWorld(), scene->GetShaderCache());
dMatrix matrix0(modelEntity->GetCurrentMatrix());
//matrix0.m_posit = location;
//modelEntity->ResetMatrix(*scene, matrix0);
scene->Append(modelEntity);
// add the root childBody
NewtonBody* const rootBody = CreateBodyPart(modelEntity);
// build the rag doll with rigid bodies connected by joints
dDynamicsRagdoll* const dynamicRagdoll = new dDynamicsRagdoll(rootBody, dGetIdentityMatrix());
AddModel(dynamicRagdoll);
dynamicRagdoll->SetCalculateLocalTransforms(true);
// save the controller as the collision user data, for collision culling
NewtonCollisionSetUserData(NewtonBodyGetCollision(rootBody), dynamicRagdoll);
int stackIndex = 0;
DemoEntity* childEntities[32];
dAnimationJoint* parentBones[32];
for (DemoEntity* child = modelEntity->GetChild(); child; child = child->GetSibling()) {
parentBones[stackIndex] = dynamicRagdoll;
childEntities[stackIndex] = child;
stackIndex++;
}
// walk model hierarchic adding all children designed as rigid body bones.
while (stackIndex) {
stackIndex--;
DemoEntity* const entity = childEntities[stackIndex];
dAnimationJoint* parentNode = parentBones[stackIndex];
const char* const name = entity->GetName().GetStr();
for (int i = 0; i < definitionCount; i++) {
if (!strcmp(jointsDefinition[i].m_boneName, name)) {
NewtonBody* const childBody = CreateBodyPart(entity);
// connect this body part to its parent with a rag doll joint
parentNode = CreateChildNode(childBody, parentNode, jointsDefinition[i]);
NewtonCollisionSetUserData(NewtonBodyGetCollision(childBody), parentNode);
break;
}
}
for (DemoEntity* child = entity->GetChild(); child; child = child->GetSibling()) {
parentBones[stackIndex] = parentNode;
childEntities[stackIndex] = child;
stackIndex++;
}
}
SetModelMass (100.0f, dynamicRagdoll);
// set the collision mask
// note this container work best with a material call back for setting bit field
//dAssert(0);
//controller->SetDefaultSelfCollisionMask();
// transform the entire contraction to its location
dMatrix worldMatrix(modelEntity->GetCurrentMatrix() * location);
worldMatrix.m_posit = location.m_posit;
NewtonBodySetMatrixRecursive(rootBody, &worldMatrix[0][0]);
// attach effectors here
for (dAnimationJoint* joint = GetFirstJoint(dynamicRagdoll); joint; joint = GetNextJoint(joint)) {
if (joint->GetAsRoot()) {
dAssert(dynamicRagdoll == joint);
dynamicRagdoll->SetHipEffector(joint);
} else if (joint->GetAsLeaf()) {
dynamicRagdoll->SetFootEffector(joint);
}
}
dynamicRagdoll->Finalize();
//return controller;
}
void MakeKukaRobot(DemoEntityManager* const scene, DemoEntity* const model)
{
m_kinematicSolver = NewtonCreateInverseDynamics(scene->GetNewton());
NewtonBody* const baseFrameBody = CreateBodyPart(model, armRobotConfig[0]);
void* const baseFrameNode = NewtonInverseDynamicsAddRoot(m_kinematicSolver, baseFrameBody);
NewtonBodySetMassMatrix(baseFrameBody, 0.0f, 0.0f, 0.0f, 0.0f);
dMatrix boneAligmentMatrix(
dVector(0.0f, 1.0f, 0.0f, 0.0f),
dVector(0.0f, 0.0f, 1.0f, 0.0f),
dVector(1.0f, 0.0f, 0.0f, 0.0f),
dVector(0.0f, 0.0f, 0.0f, 1.0f));
int stackIndex = 0;
DemoEntity* childEntities[32];
void* parentBones[32];
for (DemoEntity* child = model->GetChild(); child; child = child->GetSibling()) {
parentBones[stackIndex] = baseFrameNode;
childEntities[stackIndex] = child;
stackIndex++;
}
dKukaEffector* effector = NULL;
const int partCount = sizeof(armRobotConfig) / sizeof(armRobotConfig[0]);
while (stackIndex) {
stackIndex--;
DemoEntity* const entity = childEntities[stackIndex];
void* const parentJoint = parentBones[stackIndex];
const char* const name = entity->GetName().GetStr();
for (int i = 0; i < partCount; i++) {
if (!strcmp(armRobotConfig[i].m_partName, name)) {
if (strstr(name, "bone")) {
// add a bone and all it children
dMatrix matrix;
NewtonBody* const limbBody = CreateBodyPart(entity, armRobotConfig[i]);
NewtonBodyGetMatrix(limbBody, &matrix[0][0]);
NewtonBody* const parentBody = NewtonInverseDynamicsGetBody(m_kinematicSolver, parentJoint);
dCustomInverseDynamics* const rotatingColumnHinge = new dCustomInverseDynamics(boneAligmentMatrix * matrix, limbBody, parentBody);
rotatingColumnHinge->SetJointTorque(armRobotConfig[i].m_mass * DEMO_GRAVITY * 50.0f);
rotatingColumnHinge->SetTwistAngle(armRobotConfig[i].m_minLimit * dDegreeToRad, armRobotConfig[i].m_maxLimit * dDegreeToRad);
void* const limbJoint = NewtonInverseDynamicsAddChildNode(m_kinematicSolver, parentJoint, rotatingColumnHinge->GetJoint());
for (DemoEntity* child = entity->GetChild(); child; child = child->GetSibling()) {
parentBones[stackIndex] = limbJoint;
childEntities[stackIndex] = child;
stackIndex++;
}
} else if (strstr(name, "effector")) {
// add effector
dMatrix gripperMatrix(entity->CalculateGlobalMatrix());
effector = new dKukaEffector(m_kinematicSolver, parentJoint, baseFrameBody, gripperMatrix);
effector->SetAsThreedof();
effector->SetLinearSpeed(2.0f);
effector->SetMaxLinearFriction(armRobotConfig[i].m_mass * DEMO_GRAVITY * 50.0f);
}
break;
}
}
}
// create the Animation tree for manipulation
DemoEntity* const effectoBone = model->Find("effector_arm");
dMatrix baseFrameMatrix(model->GetCurrentMatrix());
dMatrix effectorLocalMatrix(effectoBone->CalculateGlobalMatrix(model));
dVector upAxis(baseFrameMatrix.UnrotateVector(dVector(0.0f, 1.0f, 0.0f, 1.0f)));
dVector planeAxis(baseFrameMatrix.UnrotateVector(dVector(0.0f, 0.0f, 1.0f, 1.0f)));
dEffectorTreeFixPose* const fixPose = new dEffectorTreeFixPose(baseFrameBody);
m_inputModifier = new dEffectorTreeInputModifier(fixPose, upAxis, planeAxis);
m_animTreeNode = new dEffectorTreeRoot(baseFrameBody, m_inputModifier);
// set base pose
dEffectorTreeInterface::dEffectorTransform frame;
frame.m_effector = effector;
frame.m_posit = effectorLocalMatrix.m_posit;
frame.m_rotation = dQuaternion(effectorLocalMatrix);
fixPose->GetPose().Append(frame);
m_animTreeNode->GetPose().Append(frame);
NewtonInverseDynamicsEndBuild(m_kinematicSolver);
}