// // Created by martin on 04.02.22. // #include "AnimGraph/AnimGraph.h" #include "AnimGraph/AnimGraphBlendTree.h" #include "AnimGraph/AnimGraphEditor.h" #include "AnimGraph/AnimGraphNodes.h" #include "AnimGraph/AnimGraphResource.h" #include "catch.hpp" #include "ozz/base/io/archive.h" #include "ozz/base/io/stream.h" #include "ozz/base/log.h" 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::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("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("AnimSamplerGraph", "[AnimGraphResource]") { AnimGraphResource graph_resource; graph_resource.m_name = "AnimSamplerBlendTree"; graph_resource.m_type = "BlendTree"; BlendTreeResource& blend_tree_resource = graph_resource.m_blend_tree_resource; blend_tree_resource.Reset(); blend_tree_resource.InitGraphConnectors(); // Prepare graph inputs and outputs blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("AnimSampler")); size_t walk_node_index = blend_tree_resource.m_nodes.size() - 1; AnimNodeResource& walk_node = blend_tree_resource.m_nodes[walk_node_index]; walk_node.m_name = "WalkAnim"; walk_node.m_socket_accessor->SetPropertyValue( "Filename", std::string("media/Walking-loop.ozz")); AnimNodeResource& graph_node = blend_tree_resource.m_nodes[0]; graph_node.m_socket_accessor->RegisterInput("GraphOutput", nullptr); blend_tree_resource.ConnectSockets( walk_node, "Output", blend_tree_resource.GetGraphOutputNode(), "GraphOutput"); graph_resource.SaveToFile("AnimSamplerBlendTree.json"); AnimGraphResource graph_resource_loaded; graph_resource_loaded.LoadFromFile("AnimSamplerBlendTree.json"); AnimGraphBlendTree anim_graph_blend_tree; graph_resource_loaded.CreateBlendTreeInstance(anim_graph_blend_tree); AnimGraphContext graph_context; ozz::animation::Skeleton skeleton; REQUIRE(load_skeleton(skeleton, "media/skeleton.ozz")); graph_context.m_skeleton = &skeleton; REQUIRE(anim_graph_blend_tree.Init(graph_context)); REQUIRE(anim_graph_blend_tree.m_nodes.size() == 3); REQUIRE(anim_graph_blend_tree.m_nodes[0]->m_node_type_name == "BlendTree"); REQUIRE(anim_graph_blend_tree.m_nodes[1]->m_node_type_name == "BlendTree"); REQUIRE(anim_graph_blend_tree.m_nodes[2]->m_node_type_name == "AnimSampler"); // connections within the graph AnimSamplerNode* anim_sampler_walk = dynamic_cast(anim_graph_blend_tree.m_nodes[2]); BlendTreeNode* graph_output_node = dynamic_cast(anim_graph_blend_tree.m_nodes[0]); // check node input dependencies size_t anim_sampler_index = anim_graph_blend_tree.GetAnimNodeIndex(anim_sampler_walk); REQUIRE(anim_graph_blend_tree.m_node_output_connections[anim_sampler_index].size() == 1); CHECK( anim_graph_blend_tree.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 == "media/Walking-loop.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()); anim_graph_blend_tree.SetOutput("GraphOutput", &output); REQUIRE(anim_sampler_walk->o_output == &output); WHEN("Emulating Graph Evaluation") { CHECK(anim_graph_blend_tree.m_anim_data_allocator.size() == 0); anim_sampler_walk->Evaluate(graph_context); } graph_context.freeAnimations(); } // // Checks that node const inputs are properly set. // TEST_CASE("AnimSamplerSpeedScaleGraph", "[AnimGraphResource]") { AnimGraphResource graph_resource; graph_resource.m_name = "AnimSamplerSpeedScaleGraph"; graph_resource.m_type = "BlendTree"; BlendTreeResource& blend_tree_resource = graph_resource.m_blend_tree_resource; blend_tree_resource.Reset(); blend_tree_resource.InitGraphConnectors(); // Prepare graph inputs and outputs blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("AnimSampler")); size_t walk_node_index = blend_tree_resource.m_nodes.size() - 1; blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("SpeedScale")); size_t speed_scale_node_index = blend_tree_resource.m_nodes.size() - 1; AnimNodeResource& walk_node = blend_tree_resource.m_nodes[walk_node_index]; walk_node.m_name = "WalkAnim"; walk_node.m_socket_accessor->SetPropertyValue( "Filename", std::string("media/Walking-loop.ozz")); AnimNodeResource& speed_scale_node = blend_tree_resource.m_nodes[speed_scale_node_index]; speed_scale_node.m_name = "SpeedScale"; float speed_scale_value = 1.35f; speed_scale_node.m_socket_accessor->SetInputValue( "SpeedScale", speed_scale_value); AnimNodeResource& graph_node = blend_tree_resource.m_nodes[0]; graph_node.m_socket_accessor->RegisterInput("GraphOutput", nullptr); blend_tree_resource.ConnectSockets(walk_node, "Output", speed_scale_node, "Input"); blend_tree_resource.ConnectSockets( speed_scale_node, "Output", blend_tree_resource.GetGraphOutputNode(), "GraphOutput"); graph_resource.SaveToFile("AnimSamplerSpeedScaleGraph.animgraph.json"); AnimGraphResource graph_resource_loaded; graph_resource_loaded.LoadFromFile( "AnimSamplerSpeedScaleGraph.animgraph.json"); BlendTreeResource& blend_tree_resource_loaded = graph_resource_loaded.m_blend_tree_resource; Socket* speed_scale_resource_loaded_input = blend_tree_resource_loaded.m_nodes[speed_scale_node_index] .m_socket_accessor->GetInputSocket("SpeedScale"); REQUIRE(speed_scale_resource_loaded_input != nullptr); REQUIRE_THAT( speed_scale_resource_loaded_input->m_value.float_value, Catch::Matchers::WithinAbs(speed_scale_value, 0.1)); AnimGraphBlendTree blend_tree; graph_resource_loaded.CreateBlendTreeInstance(blend_tree); REQUIRE_THAT(*dynamic_cast(blend_tree.m_nodes[speed_scale_node_index])->i_speed_scale, Catch::Matchers::WithinAbs(speed_scale_value, 0.1)); } TEST_CASE("Blend2Graph", "[AnimGraphResource]") { AnimGraphResource graph_resource; graph_resource.m_name = "WalkRunBlendGraph"; graph_resource.m_type = "BlendTree"; BlendTreeResource& blend_tree_resource = graph_resource.m_blend_tree_resource; blend_tree_resource.Reset(); blend_tree_resource.InitGraphConnectors(); // Prepare graph inputs and outputs blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("AnimSampler")); size_t walk_node_index = blend_tree_resource.m_nodes.size() - 1; blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("AnimSampler")); size_t run_node_index = blend_tree_resource.m_nodes.size() - 1; blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("Blend2")); size_t blend_node_index = blend_tree_resource.m_nodes.size() - 1; AnimNodeResource& walk_node = blend_tree_resource.m_nodes[walk_node_index]; walk_node.m_name = "WalkAnim"; walk_node.m_socket_accessor->SetPropertyValue( "Filename", std::string("media/Walking-loop.ozz")); AnimNodeResource& run_node = blend_tree_resource.m_nodes[run_node_index]; run_node.m_socket_accessor->SetPropertyValue( "Filename", std::string("media/Running0-loop.ozz")); run_node.m_name = "RunAnim"; AnimNodeResource& blend_node = blend_tree_resource.m_nodes[blend_node_index]; blend_node.m_name = "BlendWalkRun"; AnimNodeResource& graph_node = blend_tree_resource.m_nodes[0]; graph_node.m_socket_accessor->RegisterInput("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); blend_tree_resource.ConnectSockets(walk_node, "Output", blend_node, "Input0"); blend_tree_resource.ConnectSockets(run_node, "Output", blend_node, "Input1"); blend_tree_resource.ConnectSockets( blend_node, "Output", blend_tree_resource.GetGraphOutputNode(), "GraphOutput"); graph_resource.SaveToFile("Blend2Graph.animgraph.json"); AnimGraphResource graph_resource_loaded; graph_resource_loaded.LoadFromFile("Blend2Graph.animgraph.json"); AnimGraphBlendTree blend_tree_graph; graph_resource_loaded.CreateBlendTreeInstance(blend_tree_graph); AnimGraphContext graph_context; ozz::animation::Skeleton skeleton; REQUIRE(load_skeleton(skeleton, "media/skeleton.ozz")); graph_context.m_skeleton = &skeleton; REQUIRE(blend_tree_graph.Init(graph_context)); REQUIRE(blend_tree_graph.m_nodes.size() == 5); REQUIRE(blend_tree_graph.m_nodes[0]->m_node_type_name == "BlendTree"); REQUIRE(blend_tree_graph.m_nodes[1]->m_node_type_name == "BlendTree"); REQUIRE(blend_tree_graph.m_nodes[2]->m_node_type_name == "AnimSampler"); REQUIRE(blend_tree_graph.m_nodes[3]->m_node_type_name == "AnimSampler"); REQUIRE(blend_tree_graph.m_nodes[4]->m_node_type_name == "Blend2"); // connections within the graph AnimSamplerNode* anim_sampler_walk = dynamic_cast(blend_tree_graph.m_nodes[2]); AnimSamplerNode* anim_sampler_run = dynamic_cast(blend_tree_graph.m_nodes[3]); Blend2Node* blend2_instance = dynamic_cast(blend_tree_graph.m_nodes[4]); // check node input dependencies size_t anim_sampler_index0 = blend_tree_graph.GetAnimNodeIndex(anim_sampler_walk); size_t anim_sampler_index1 = blend_tree_graph.GetAnimNodeIndex(anim_sampler_run); size_t blend_index = blend_tree_graph.GetAnimNodeIndex(blend2_instance); REQUIRE(blend_tree_graph.m_node_input_connections[blend_index].size() == 2); CHECK( blend_tree_graph.m_node_input_connections[blend_index][0].m_source_node == anim_sampler_walk); CHECK( blend_tree_graph.m_node_input_connections[blend_index][1].m_source_node == anim_sampler_run); REQUIRE( blend_tree_graph.m_node_output_connections[anim_sampler_index0].size() == 1); CHECK( blend_tree_graph.m_node_output_connections[anim_sampler_index0][0].m_target_node == blend2_instance); REQUIRE( blend_tree_graph.m_node_output_connections[anim_sampler_index1].size() == 1); CHECK( blend_tree_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 == "media/Walking-loop.ozz"); REQUIRE(anim_sampler_walk->m_animation != nullptr); REQUIRE(anim_sampler_run->m_filename == "media/Running0-loop.ozz"); REQUIRE(anim_sampler_run->m_animation != nullptr); WHEN("Emulating Graph Evaluation") { CHECK(blend_tree_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 = blend_tree_graph.GetOutputSocket("GraphOutput"); AnimData* graph_output = static_cast(*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(); } // // Graph: // Outputs: // - GraphFloatOutput (float) // - GraphVec3Output (Vec3) // // Inputs: // - GraphFloatInput (float) // // Nodes: // - MathFloatToVec3Node // // Connectivity: // GraphFloatInput -+----------------------> GraphFloatOutput // \-> MathFloatToVec3 --> GraphVec3Output // // TEST_CASE("ResourceSaveLoadMathGraphInputs", "[AnimGraphResource]") { AnimGraphResource graph_resource_origin; graph_resource_origin.m_name = "TestInputOutputGraph"; graph_resource_origin.m_type = "BlendTree"; BlendTreeResource& blend_tree_resource = graph_resource_origin.m_blend_tree_resource; blend_tree_resource.Reset(); blend_tree_resource.InitGraphConnectors(); // Prepare graph inputs and outputs blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("MathFloatToVec3Node")); size_t float_to_vec3_node_index = blend_tree_resource.m_nodes.size() - 1; AnimNodeResource& graph_output_node = blend_tree_resource.GetGraphOutputNode(); graph_output_node.m_socket_accessor->RegisterInput( "GraphFloatOutput", nullptr); graph_output_node.m_socket_accessor->RegisterInput( "GraphVec3Output", nullptr); AnimNodeResource& graph_input_node = blend_tree_resource.GetGraphInputNode(); graph_input_node.m_socket_accessor->RegisterOutput( "GraphFloatInput", nullptr); // Prepare graph inputs and outputs AnimNodeResource& float_to_vec3_node = blend_tree_resource.m_nodes[float_to_vec3_node_index]; REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", graph_output_node, "GraphFloatOutput")); REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", float_to_vec3_node, "Input0")); REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", float_to_vec3_node, "Input1")); REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", float_to_vec3_node, "Input2")); REQUIRE(blend_tree_resource.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); BlendTreeResource& graph_blend_tree_loaded = graph_resource_loaded.m_blend_tree_resource; const AnimNodeResource& graph_loaded_output_node = graph_blend_tree_loaded.m_nodes[0]; const AnimNodeResource& graph_loaded_input_node = graph_blend_tree_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") { AnimGraphBlendTree blend_tree_node; graph_resource_loaded.CreateBlendTreeInstance(blend_tree_node); REQUIRE(blend_tree_node.GetInputSocket("GraphFloatInput") != nullptr); REQUIRE( blend_tree_node.GetInputPtr("GraphFloatInput") == blend_tree_node.m_input_buffer); float graph_float_input = 123.456f; blend_tree_node.SetInput("GraphFloatInput", &graph_float_input); AND_WHEN("Evaluating Graph") { AnimGraphContext context; context.m_graph = nullptr; blend_tree_node.Init(context); // GraphFloatOutput is directly connected to GraphFloatInput therefore // we need to get the pointer here. float* graph_float_ptr = blend_tree_node.GetOutputPtr("GraphFloatOutput"); Vec3 graph_vec3_output; blend_tree_node.SetOutput("GraphVec3Output", &graph_vec3_output); blend_tree_node.UpdateTime(0.f, 0.f); blend_tree_node.Evaluate(context); THEN("output vector components equal the graph input values") { 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.m_name = "TestSimpleMathGraph"; graph_resource_origin.m_type = "BlendTree"; BlendTreeResource& blend_tree_resource = graph_resource_origin.m_blend_tree_resource; blend_tree_resource.Reset(); blend_tree_resource.InitGraphConnectors(); // Prepare graph inputs and outputs blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("MathAddNode")); size_t math_add0_node_index = blend_tree_resource.m_nodes.size() - 1; blend_tree_resource.m_nodes.push_back(AnimNodeResourceFactory("MathAddNode")); size_t math_add1_node_index = blend_tree_resource.m_nodes.size() - 1; AnimNodeResource& graph_output_node = blend_tree_resource.GetGraphOutputNode(); graph_output_node.m_socket_accessor->RegisterInput( "GraphFloat0Output", nullptr); graph_output_node.m_socket_accessor->RegisterInput( "GraphFloat1Output", nullptr); graph_output_node.m_socket_accessor->RegisterInput( "GraphFloat2Output", nullptr); AnimNodeResource& graph_input_node = blend_tree_resource.GetGraphInputNode(); graph_input_node.m_socket_accessor->RegisterOutput( "GraphFloatInput", nullptr); // Prepare graph inputs and outputs AnimNodeResource& math_add0_node = blend_tree_resource.m_nodes[math_add0_node_index]; AnimNodeResource& math_add1_node = blend_tree_resource.m_nodes[math_add1_node_index]; // direct output REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", graph_output_node, "GraphFloat0Output")); // add0 node REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", math_add0_node, "Input0")); REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", math_add0_node, "Input1")); REQUIRE(blend_tree_resource.ConnectSockets( math_add0_node, "Output", graph_output_node, "GraphFloat1Output")); // add1 node REQUIRE(blend_tree_resource.ConnectSockets( math_add0_node, "Output", math_add1_node, "Input0")); REQUIRE(blend_tree_resource.ConnectSockets( graph_input_node, "GraphFloatInput", math_add1_node, "Input1")); REQUIRE(blend_tree_resource.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); WHEN("Instantiating an AnimGraph") { AnimGraphBlendTree blend_tree; graph_resource_loaded.CreateBlendTreeInstance(blend_tree); REQUIRE(blend_tree.GetInputSocket("GraphFloatInput") != nullptr); REQUIRE( blend_tree.GetInputPtr("GraphFloatInput") == blend_tree.m_input_buffer); float graph_float_input = 123.456f; blend_tree.SetInput("GraphFloatInput", &graph_float_input); AND_WHEN("Evaluating Graph") { AnimGraphContext context; context.m_graph = nullptr; // 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 = blend_tree.GetOutputPtr("GraphFloat0Output"); float float1_output = -1.f; float float2_output = -1.f; blend_tree.SetOutput("GraphFloat1Output", &float1_output); blend_tree.SetOutput("GraphFloat2Output", &float2_output); blend_tree.UpdateTime(0.f, 0.f); blend_tree.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(); } } } }