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AnimTestbed/tests/AnimGraphResourceTests.cc

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//
// Created by martin on 04.02.22.
//
#include "ozz/base/io/archive.h"
#include "ozz/base/io/stream.h"
#include "ozz/base/log.h"
#include "AnimGraph/AnimGraph.h"
#include "AnimGraph/AnimGraphEditor.h"
#include "AnimGraph/AnimGraphResource.h"
#include "catch.hpp"
bool load_skeleton (ozz::animation::Skeleton& skeleton, const char* filename) {
assert(filename);
ozz::io::File file(filename, "rb");
if (!file.opened()) {
ozz::log::Err() << "Failed to open skeleton file " << filename << "."
<< std::endl;
return false;
}
ozz::io::IArchive archive(&file);
if (!archive.TestTag<ozz::animation::Skeleton>()) {
ozz::log::Err() << "Failed to load skeleton instance from file " << filename
<< "." << std::endl;
return false;
}
// Once the tag is validated, reading cannot fail.
archive >> skeleton;
return true;
}
TEST_CASE("BasicGraph", "[AnimGraphResource]") {
AnimGraphResource graph_resource;
graph_resource.clear();
graph_resource.m_name = "WalkRunBlendGraph";
// Prepare graph inputs and outputs
size_t walk_node_index =
graph_resource.addNode(AnimNodeResourceFactory("AnimSampler"));
AnimNodeResource& walk_node = graph_resource.m_nodes[walk_node_index];
walk_node.m_name = "WalkAnim";
walk_node.m_socket_accessor->SetPropertyValue("Filename", std::string("data/walk.anim.ozz"));
AnimNodeResource& graph_node = graph_resource.m_nodes[0];
graph_node.m_socket_accessor->RegisterInput<AnimData>("GraphOutput", nullptr);
graph_resource.connectSockets(
walk_node,
"Output",
graph_resource.getGraphOutputNode(),
"GraphOutput");
graph_resource.saveToFile("WalkGraph.animgraph.json");
AnimGraphResource graph_resource_loaded;
graph_resource_loaded.loadFromFile("WalkGraph.animgraph.json");
AnimGraph graph;
graph_resource_loaded.createInstance(graph);
AnimGraphContext graph_context;
ozz::animation::Skeleton skeleton;
REQUIRE(load_skeleton(skeleton, "data/skeleton.ozz"));
graph_context.m_skeleton = &skeleton;
REQUIRE(graph.init(graph_context));
REQUIRE(graph.m_nodes.size() == 3);
REQUIRE(graph.m_nodes[0]->m_node_type_name == "BlendTree");
REQUIRE(graph.m_nodes[1]->m_node_type_name == "BlendTree");
REQUIRE(graph.m_nodes[2]->m_node_type_name == "AnimSampler");
// connections within the graph
AnimSamplerNode* anim_sampler_walk =
dynamic_cast<AnimSamplerNode*>(graph.m_nodes[2]);
BlendTreeNode* graph_output_node =
dynamic_cast<BlendTreeNode*>(graph.m_nodes[0]);
// check node input dependencies
size_t anim_sampler_index = anim_sampler_walk->m_index;
REQUIRE(graph.m_node_output_connections[anim_sampler_index].size() == 1);
CHECK(
graph.m_node_output_connections[anim_sampler_index][0].m_target_node
== graph_output_node);
// Ensure animation sampler nodes use the correct files
REQUIRE(anim_sampler_walk->m_filename == "data/walk.anim.ozz");
REQUIRE(anim_sampler_walk->m_animation != nullptr);
// Ensure that outputs are properly propagated.
AnimData output;
output.m_local_matrices.resize(skeleton.num_soa_joints());
graph.SetOutput("GraphOutput", &output);
REQUIRE(anim_sampler_walk->o_output == &output);
WHEN("Emulating Graph Evaluation") {
CHECK(graph.m_anim_data_allocator.size() == 0);
anim_sampler_walk->Evaluate(graph_context);
}
graph_context.freeAnimations();
}
TEST_CASE("Blend2Graph", "[AnimGraphResource]") {
AnimGraphResource graph_resource;
graph_resource.clear();
graph_resource.m_name = "WalkRunBlendGraph";
// Prepare graph inputs and outputs
size_t walk_node_index =
graph_resource.addNode(AnimNodeResourceFactory("AnimSampler"));
size_t run_node_index =
graph_resource.addNode(AnimNodeResourceFactory("AnimSampler"));
size_t blend_node_index =
graph_resource.addNode(AnimNodeResourceFactory("Blend2"));
AnimNodeResource& walk_node = graph_resource.m_nodes[walk_node_index];
walk_node.m_name = "WalkAnim";
walk_node.m_socket_accessor->SetPropertyValue("Filename", std::string("data/walk.anim.ozz"));
AnimNodeResource& run_node = graph_resource.m_nodes[run_node_index];
run_node.m_socket_accessor->SetPropertyValue("Filename", std::string("data/run.anim.ozz"));
run_node.m_name = "RunAnim";
AnimNodeResource& blend_node = graph_resource.m_nodes[blend_node_index];
blend_node.m_name = "BlendWalkRun";
AnimNodeResource& graph_node = graph_resource.m_nodes[0];
graph_node.m_socket_accessor->RegisterInput<AnimData>("GraphOutput", nullptr);
REQUIRE(graph_node.m_socket_accessor->m_inputs.size() == 1);
REQUIRE(blend_node.m_socket_accessor->GetInputIndex("Input0") == 0);
REQUIRE(blend_node.m_socket_accessor->GetInputIndex("Input1") == 1);
graph_resource.connectSockets(walk_node, "Output", blend_node, "Input0");
graph_resource.connectSockets(run_node, "Output", blend_node, "Input1");
graph_resource.connectSockets(
blend_node,
"Output",
graph_resource.getGraphOutputNode(),
"GraphOutput");
graph_resource.saveToFile("Blend2Graph.animgraph.json");
AnimGraphResource graph_resource_loaded;
graph_resource_loaded.loadFromFile("Blend2Graph.animgraph.json");
AnimGraph graph;
graph_resource_loaded.createInstance(graph);
AnimGraphContext graph_context;
ozz::animation::Skeleton skeleton;
REQUIRE(load_skeleton(skeleton, "data/skeleton.ozz"));
graph_context.m_skeleton = &skeleton;
REQUIRE(graph.init(graph_context));
REQUIRE(graph.m_nodes.size() == 5);
REQUIRE(graph.m_nodes[0]->m_node_type_name == "BlendTree");
REQUIRE(graph.m_nodes[1]->m_node_type_name == "BlendTree");
REQUIRE(graph.m_nodes[2]->m_node_type_name == "AnimSampler");
REQUIRE(graph.m_nodes[3]->m_node_type_name == "AnimSampler");
REQUIRE(graph.m_nodes[4]->m_node_type_name == "Blend2");
// connections within the graph
AnimSamplerNode* anim_sampler_walk =
dynamic_cast<AnimSamplerNode*>(graph.m_nodes[2]);
AnimSamplerNode* anim_sampler_run =
dynamic_cast<AnimSamplerNode*>(graph.m_nodes[3]);
Blend2Node* blend2_instance = dynamic_cast<Blend2Node*>(graph.m_nodes[4]);
// check node input dependencies
size_t anim_sampler_index0 = anim_sampler_walk->m_index;
size_t anim_sampler_index1 = anim_sampler_run->m_index;
size_t blend_index = blend2_instance->m_index;
REQUIRE(graph.m_node_input_connections[blend_index].size() == 2);
CHECK(
graph.m_node_input_connections[blend_index][0].m_source_node
== anim_sampler_walk);
CHECK(
graph.m_node_input_connections[blend_index][1].m_source_node
== anim_sampler_run);
REQUIRE(graph.m_node_output_connections[anim_sampler_index0].size() == 1);
CHECK(
graph.m_node_output_connections[anim_sampler_index0][0].m_target_node
== blend2_instance);
REQUIRE(graph.m_node_output_connections[anim_sampler_index1].size() == 1);
CHECK(
graph.m_node_output_connections[anim_sampler_index1][0].m_target_node
== blend2_instance);
// Ensure animation sampler nodes use the correct files
REQUIRE(anim_sampler_walk->m_filename == "data/walk.anim.ozz");
REQUIRE(anim_sampler_walk->m_animation != nullptr);
REQUIRE(anim_sampler_run->m_filename == "data/run.anim.ozz");
REQUIRE(anim_sampler_run->m_animation != nullptr);
WHEN("Emulating Graph Evaluation") {
CHECK(graph.m_anim_data_allocator.size() == 0);
CHECK(blend2_instance->i_input0 == anim_sampler_walk->o_output);
CHECK(blend2_instance->i_input1 == anim_sampler_run->o_output);
const Socket* graph_output_socket = graph.getOutputSocket("GraphOutput");
AnimData* graph_output =
static_cast<AnimData*>(*graph_output_socket->m_reference.ptr_ptr);
CHECK(graph_output->m_local_matrices.size() == graph_context.m_skeleton->num_soa_joints());
CHECK(blend2_instance->o_output == *graph_output_socket->m_reference.ptr_ptr);
}
graph_context.freeAnimations();
}
TEST_CASE("InputAttributeConversion", "[AnimGraphResource]") {
int node_id = 3321;
int input_index = 221;
int output_index = 125;
int parsed_node_id;
int parsed_input_index;
int parsed_output_index;
int attribute_id = GenerateInputAttributeId(node_id, input_index);
SplitInputAttributeId(attribute_id, &parsed_node_id, &parsed_input_index);
CHECK(node_id == parsed_node_id);
CHECK(input_index == parsed_input_index);
attribute_id = GenerateOutputAttributeId(node_id, output_index);
SplitOutputAttributeId(attribute_id, &parsed_node_id, &parsed_output_index);
CHECK(node_id == parsed_node_id);
CHECK(output_index == parsed_output_index);
}
TEST_CASE("ResourceSaveLoadMathGraphInputs", "[AnimGraphResource]") {
AnimGraphResource graph_resource_origin;
graph_resource_origin.clear();
graph_resource_origin.m_name = "TestInputOutputGraph";
size_t float_to_vec3_node_index = graph_resource_origin.addNode(
AnimNodeResourceFactory("MathFloatToVec3Node"));
AnimNodeResource& graph_output_node =
graph_resource_origin.getGraphOutputNode();
graph_output_node.m_socket_accessor->RegisterInput<float>(
"GraphFloatOutput",
nullptr);
graph_output_node.m_socket_accessor->RegisterInput<Vec3>(
"GraphVec3Output",
nullptr);
AnimNodeResource& graph_input_node =
graph_resource_origin.getGraphInputNode();
graph_input_node.m_socket_accessor->RegisterOutput<float>(
"GraphFloatInput",
nullptr);
// Prepare graph inputs and outputs
AnimNodeResource& float_to_vec3_node =
graph_resource_origin.m_nodes[float_to_vec3_node_index];
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
graph_output_node,
"GraphFloatOutput"));
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
float_to_vec3_node,
"Input0"));
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
float_to_vec3_node,
"Input1"));
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
float_to_vec3_node,
"Input2"));
REQUIRE(graph_resource_origin.connectSockets(
float_to_vec3_node,
"Output",
graph_output_node,
"GraphVec3Output"));
WHEN("Saving and loading graph resource") {
const char* filename = "ResourceSaveLoadGraphInputs.json";
graph_resource_origin.saveToFile(filename);
AnimGraphResource graph_resource_loaded;
graph_resource_loaded.loadFromFile(filename);
const AnimNodeResource& graph_loaded_output_node =
graph_resource_loaded.m_nodes[0];
const AnimNodeResource& graph_loaded_input_node =
graph_resource_loaded.m_nodes[1];
THEN("Graph inputs and outputs must be in loaded resource as well.") {
REQUIRE(
graph_output_node.m_socket_accessor->m_inputs.size()
== graph_loaded_output_node.m_socket_accessor->m_inputs.size());
REQUIRE(
graph_input_node.m_socket_accessor->m_outputs.size()
== graph_loaded_input_node.m_socket_accessor->m_outputs.size());
REQUIRE(
graph_loaded_input_node.m_socket_accessor->GetOutputSocket(
"GraphFloatInput")
!= nullptr);
REQUIRE(
graph_loaded_output_node.m_socket_accessor->GetInputSocket(
"GraphFloatOutput")
!= nullptr);
REQUIRE(
graph_loaded_output_node.m_socket_accessor->GetInputSocket(
"GraphVec3Output")
!= nullptr);
WHEN("Instantiating an AnimGraph") {
AnimGraph anim_graph;
graph_resource_loaded.createInstance(anim_graph);
REQUIRE(anim_graph.getInputSocket("GraphFloatInput") != nullptr);
REQUIRE(
anim_graph.getInputPtr("GraphFloatInput")
== anim_graph.m_input_buffer);
float graph_float_input = 123.456f;
anim_graph.SetInput("GraphFloatInput", &graph_float_input);
AND_WHEN("Evaluating Graph") {
AnimGraphContext context;
context.m_graph = &anim_graph;
anim_graph.init(context);
// GraphFloatOutput is directly connected to GraphFloatInput therefore
// we need to get the pointer here.
float* graph_float_ptr = nullptr;
graph_float_ptr = anim_graph.GetOutputPtr<float>("GraphFloatOutput");
Vec3 graph_vec3_output;
anim_graph.SetOutput("GraphVec3Output", &graph_vec3_output);
anim_graph.updateTime(0.f);
anim_graph.evaluate(context);
THEN("output vector components equal the graph input vaulues") {
CHECK(graph_float_ptr == &graph_float_input);
CHECK(graph_vec3_output.v[0] == graph_float_input);
CHECK(graph_vec3_output.v[1] == graph_float_input);
CHECK(graph_vec3_output.v[2] == graph_float_input);
}
context.freeAnimations();
}
}
}
}
}
TEST_CASE("SimpleMathEvaluations", "[AnimGraphResource]") {
AnimGraphResource graph_resource_origin;
graph_resource_origin.clear();
graph_resource_origin.m_name = "TestInputOutputGraph";
size_t math_add0_node_index =
graph_resource_origin.addNode(AnimNodeResourceFactory("MathAddNode"));
size_t math_add1_node_index =
graph_resource_origin.addNode(AnimNodeResourceFactory("MathAddNode"));
AnimNodeResource& graph_output_node =
graph_resource_origin.getGraphOutputNode();
graph_output_node.m_socket_accessor->RegisterInput<float>(
"GraphFloat0Output",
nullptr);
graph_output_node.m_socket_accessor->RegisterInput<float>(
"GraphFloat1Output",
nullptr);
graph_output_node.m_socket_accessor->RegisterInput<float>(
"GraphFloat2Output",
nullptr);
AnimNodeResource& graph_input_node =
graph_resource_origin.getGraphInputNode();
graph_input_node.m_socket_accessor->RegisterOutput<float>(
"GraphFloatInput",
nullptr);
// Prepare graph inputs and outputs
AnimNodeResource& math_add0_node =
graph_resource_origin.m_nodes[math_add0_node_index];
AnimNodeResource& math_add1_node =
graph_resource_origin.m_nodes[math_add1_node_index];
// direct output
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
graph_output_node,
"GraphFloat0Output"));
// add0 node
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
math_add0_node,
"Input0"));
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
math_add0_node,
"Input1"));
REQUIRE(graph_resource_origin.connectSockets(
math_add0_node,
"Output",
graph_output_node,
"GraphFloat1Output"));
// add1 node
REQUIRE(graph_resource_origin.connectSockets(
math_add0_node,
"Output",
math_add1_node,
"Input0"));
REQUIRE(graph_resource_origin.connectSockets(
graph_input_node,
"GraphFloatInput",
math_add1_node,
"Input1"));
REQUIRE(graph_resource_origin.connectSockets(
math_add1_node,
"Output",
graph_output_node,
"GraphFloat2Output"));
WHEN("Saving and loading graph resource") {
const char* filename = "ResourceSaveLoadGraphInputs.json";
graph_resource_origin.saveToFile(filename);
AnimGraphResource graph_resource_loaded;
graph_resource_loaded.loadFromFile(filename);
const AnimNodeResource& graph_loaded_output_node =
graph_resource_loaded.m_nodes[0];
const AnimNodeResource& graph_loaded_input_node =
graph_resource_loaded.m_nodes[1];
WHEN("Instantiating an AnimGraph") {
AnimGraph anim_graph;
graph_resource_loaded.createInstance(anim_graph);
REQUIRE(anim_graph.getInputSocket("GraphFloatInput") != nullptr);
REQUIRE(
anim_graph.getInputPtr("GraphFloatInput")
== anim_graph.m_input_buffer);
float graph_float_input = 123.456f;
anim_graph.SetInput("GraphFloatInput", &graph_float_input);
AND_WHEN("Evaluating Graph") {
AnimGraphContext context;
context.m_graph = &anim_graph;
// float0 output is directly connected to the graph input, therefore
// we have to get a ptr to the input data here.
float* float0_output_ptr = nullptr;
float float1_output = -1.f;
float float2_output = -1.f;
float0_output_ptr = anim_graph.GetOutputPtr<float>("GraphFloat0Output");
anim_graph.SetOutput("GraphFloat1Output", &float1_output);
anim_graph.SetOutput("GraphFloat2Output", &float2_output);
anim_graph.updateTime(0.f);
anim_graph.evaluate(context);
THEN("output vector components equal the graph input vaulues") {
CHECK(*float0_output_ptr == Approx(graph_float_input));
CHECK(float1_output == Approx(graph_float_input * 2.f));
REQUIRE_THAT(float2_output, Catch::Matchers::WithinAbs(graph_float_input * 3.f, 10));
}
context.freeAnimations();
}
}
}
}
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