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/*************************************************************************/
/* test_arraymesh.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef TEST_ARRAYMESH_H
#define TEST_ARRAYMESH_H
#include "scene/resources/mesh.h"
#include "scene/resources/primitive_meshes.h"
#include "tests/test_macros.h"
namespace TestArrayMesh {
TEST_CASE("[SceneTree][ArrayMesh] Adding and modifying blendshapes.") {
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
StringName name_a{ "ShapeA" };
StringName name_b{ "ShapeB" };
SUBCASE("Adding a blend shape to the mesh before a surface is added.") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_b);
CHECK(mesh->get_blend_shape_name(0) == name_a);
CHECK(mesh->get_blend_shape_name(1) == name_b);
}
SUBCASE("Add same blend shape multiple times appends name with number.") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_a);
CHECK(mesh->get_blend_shape_name(0) == "ShapeA");
bool all_different = (static_cast<String>(mesh->get_blend_shape_name(0)) != static_cast<String>(mesh->get_blend_shape_name(1))) &&
(static_cast<String>(mesh->get_blend_shape_name(1)) != static_cast<String>(mesh->get_blend_shape_name(2))) &&
(static_cast<String>(mesh->get_blend_shape_name(0)) != static_cast<String>(mesh->get_blend_shape_name(2)));
bool all_have_name = static_cast<String>(mesh->get_blend_shape_name(1)).contains("ShapeA") &&
static_cast<String>(mesh->get_blend_shape_name(2)).contains("ShapeA");
CHECK((all_different && all_have_name));
}
SUBCASE("ArrayMesh keeps correct count of number of blend shapes") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_b);
mesh->add_blend_shape(name_b);
mesh->add_blend_shape(name_b);
REQUIRE(mesh->get_blend_shape_count() == 5);
}
SUBCASE("Adding blend shape after surface is added causes error") {
Ref<CylinderMesh> cylinder = memnew(CylinderMesh);
Array cylinder_array{};
cylinder_array.resize(Mesh::ARRAY_MAX);
cylinder->create_mesh_array(cylinder_array, 3.f, 3.f, 5.f);
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array);
ERR_PRINT_OFF
mesh->add_blend_shape(name_a);
ERR_PRINT_ON
CHECK(mesh->get_blend_shape_count() == 0);
}
SUBCASE("Change blend shape name after adding.") {
mesh->add_blend_shape(name_a);
mesh->set_blend_shape_name(0, name_b);
CHECK(mesh->get_blend_shape_name(0) == name_b);
}
SUBCASE("Change blend shape name to the name of one already there, should append number to end") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_b);
mesh->set_blend_shape_name(0, name_b);
String name_string = mesh->get_blend_shape_name(0);
CHECK(name_string.contains("ShapeB"));
CHECK(name_string.length() > static_cast<String>(name_b).size());
}
SUBCASE("Clear all blend shapes before surface has been added.") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_b);
CHECK(mesh->get_blend_shape_count() == 2);
mesh->clear_blend_shapes();
CHECK(mesh->get_blend_shape_count() == 0);
}
SUBCASE("Can't clear blend shapes after surface had been added.") {
mesh->add_blend_shape(name_a);
mesh->add_blend_shape(name_b);
Ref<CylinderMesh> cylinder = memnew(CylinderMesh);
Array cylinder_array{};
cylinder_array.resize(Mesh::ARRAY_MAX);
cylinder->create_mesh_array(cylinder_array, 3.f, 3.f, 5.f);
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array);
ERR_PRINT_OFF
mesh->clear_blend_shapes();
ERR_PRINT_ON
CHECK(mesh->get_blend_shape_count() == 2);
}
SUBCASE("Set the blend shape mode of ArrayMesh and underlying mesh RID.") {
mesh->set_blend_shape_mode(Mesh::BLEND_SHAPE_MODE_RELATIVE);
CHECK(mesh->get_blend_shape_mode() == Mesh::BLEND_SHAPE_MODE_RELATIVE);
}
}
TEST_CASE("[SceneTree][ArrayMesh] Surface meta data tests.") {
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Ref<CylinderMesh> cylinder = memnew(CylinderMesh);
Array cylinder_array{};
cylinder_array.resize(Mesh::ARRAY_MAX);
cylinder->create_mesh_array(cylinder_array, 3.f, 3.f, 5.f);
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array);
Ref<BoxMesh> box = memnew(BoxMesh);
Array box_array{};
box_array.resize(Mesh::ARRAY_MAX);
box->create_mesh_array(box_array, Vector3(2.f, 1.2f, 1.6f));
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, box_array);
SUBCASE("Add 2 surfaces and count the number of surfaces in the mesh.") {
REQUIRE(mesh->get_surface_count() == 2);
}
SUBCASE("Get the surface array from mesh.") {
REQUIRE(mesh->surface_get_arrays(0)[0] == cylinder_array[0]);
REQUIRE(mesh->surface_get_arrays(1)[0] == box_array[0]);
}
SUBCASE("Get the array length of a particular surface.") {
CHECK(mesh->surface_get_array_len(0) == static_cast<Vector<Vector3>>(cylinder_array[RenderingServer::ARRAY_VERTEX]).size());
CHECK(mesh->surface_get_array_len(1) == static_cast<Vector<Vector3>>(box_array[RenderingServer::ARRAY_VERTEX]).size());
}
SUBCASE("Get the index array length of a particular surface.") {
CHECK(mesh->surface_get_array_index_len(0) == static_cast<Vector<Vector3>>(cylinder_array[RenderingServer::ARRAY_INDEX]).size());
CHECK(mesh->surface_get_array_index_len(1) == static_cast<Vector<Vector3>>(box_array[RenderingServer::ARRAY_INDEX]).size());
}
SUBCASE("Get correct primitive type") {
CHECK(mesh->surface_get_primitive_type(0) == Mesh::PRIMITIVE_TRIANGLES);
CHECK(mesh->surface_get_primitive_type(1) == Mesh::PRIMITIVE_TRIANGLES);
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLE_STRIP, box_array);
CHECK(mesh->surface_get_primitive_type(2) == Mesh::PRIMITIVE_TRIANGLE_STRIP);
}
SUBCASE("Returns correct format for the mesh") {
auto format = RS::ARRAY_FORMAT_BLEND_SHAPE_MASK | RS::ARRAY_FORMAT_TEX_UV | RS::ARRAY_FORMAT_INDEX;
CHECK((mesh->surface_get_format(0) & format) != 0);
CHECK((mesh->surface_get_format(1) & format) != 0);
}
SUBCASE("Set a surface name and retrieve it by name.") {
mesh->surface_set_name(0, "surf1");
CHECK(mesh->surface_find_by_name("surf1") == 0);
CHECK(mesh->surface_get_name(0) == "surf1");
}
SUBCASE("Set material to two different surfaces.") {
Ref<Material> mat = memnew(Material);
mesh->surface_set_material(0, mat);
CHECK(mesh->surface_get_material(0) == mat);
mesh->surface_set_material(1, mat);
CHECK(mesh->surface_get_material(1) == mat);
}
SUBCASE("Set same material multiple times doesn't change material of surface.") {
Ref<Material> mat = memnew(Material);
mesh->surface_set_material(0, mat);
mesh->surface_set_material(0, mat);
mesh->surface_set_material(0, mat);
CHECK(mesh->surface_get_material(0) == mat);
}
SUBCASE("Set material of surface then change to different material.") {
Ref<Material> mat1 = memnew(Material);
Ref<Material> mat2 = memnew(Material);
mesh->surface_set_material(1, mat1);
CHECK(mesh->surface_get_material(1) == mat1);
mesh->surface_set_material(1, mat2);
CHECK(mesh->surface_get_material(1) == mat2);
}
SUBCASE("Get the LOD of the mesh.") {
Dictionary lod{};
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array, TypedArray<Array>{}, lod);
CHECK(mesh->surface_get_lods(2) == lod);
}
SUBCASE("Get the blend shape arrays from the mesh.") {
TypedArray<Array> blend{};
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array, blend);
CHECK(mesh->surface_get_blend_shape_arrays(2) == blend);
}
}
TEST_CASE("[SceneTree][ArrayMesh] Get/Set mesh metadata and actions") {
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Ref<CylinderMesh> cylinder = memnew(CylinderMesh);
Array cylinder_array{};
cylinder_array.resize(Mesh::ARRAY_MAX);
cylinder->create_mesh_array(cylinder_array, 3.f, 3.f, 5.f);
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, cylinder_array);
Ref<BoxMesh> box = memnew(BoxMesh);
Array box_array{};
box_array.resize(Mesh::ARRAY_MAX);
box->create_mesh_array(box_array, Vector3(2.f, 1.2f, 1.6f));
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, box_array);
SUBCASE("Set the shadow mesh.") {
Ref<ArrayMesh> shadow = memnew(ArrayMesh);
mesh->set_shadow_mesh(shadow);
CHECK(mesh->get_shadow_mesh() == shadow);
}
SUBCASE("Set the shadow mesh multiple times.") {
Ref<ArrayMesh> shadow = memnew(ArrayMesh);
mesh->set_shadow_mesh(shadow);
mesh->set_shadow_mesh(shadow);
mesh->set_shadow_mesh(shadow);
mesh->set_shadow_mesh(shadow);
CHECK(mesh->get_shadow_mesh() == shadow);
}
SUBCASE("Set the same shadow mesh on multiple meshes.") {
Ref<ArrayMesh> shadow = memnew(ArrayMesh);
Ref<ArrayMesh> mesh2 = memnew(ArrayMesh);
mesh->set_shadow_mesh(shadow);
mesh2->set_shadow_mesh(shadow);
CHECK(mesh->get_shadow_mesh() == shadow);
CHECK(mesh2->get_shadow_mesh() == shadow);
}
SUBCASE("Set the shadow mesh and then change it.") {
Ref<ArrayMesh> shadow = memnew(ArrayMesh);
mesh->set_shadow_mesh(shadow);
CHECK(mesh->get_shadow_mesh() == shadow);
Ref<ArrayMesh> shadow2 = memnew(ArrayMesh);
mesh->set_shadow_mesh(shadow2);
CHECK(mesh->get_shadow_mesh() == shadow2);
}
SUBCASE("Set custom AABB.") {
AABB bound{};
mesh->set_custom_aabb(bound);
CHECK(mesh->get_custom_aabb() == bound);
}
SUBCASE("Set custom AABB multiple times.") {
AABB bound{};
mesh->set_custom_aabb(bound);
mesh->set_custom_aabb(bound);
mesh->set_custom_aabb(bound);
mesh->set_custom_aabb(bound);
CHECK(mesh->get_custom_aabb() == bound);
}
SUBCASE("Set custom AABB then change to another AABB.") {
AABB bound{};
AABB bound2{};
mesh->set_custom_aabb(bound);
CHECK(mesh->get_custom_aabb() == bound);
mesh->set_custom_aabb(bound2);
CHECK(mesh->get_custom_aabb() == bound2);
}
SUBCASE("Clear all surfaces should leave zero count.") {
mesh->clear_surfaces();
CHECK(mesh->get_surface_count() == 0);
}
SUBCASE("Able to get correct mesh RID.") {
RID rid = mesh->get_rid();
CHECK(RS::get_singleton()->mesh_get_surface_count(rid) == 2);
}
SUBCASE("Create surface from raw SurfaceData data.") {
RID mesh_rid = mesh->get_rid();
RS::SurfaceData surface_data = RS::get_singleton()->mesh_get_surface(mesh_rid, 0);
Ref<ArrayMesh> mesh2 = memnew(ArrayMesh);
mesh2->add_surface(surface_data.format, Mesh::PRIMITIVE_TRIANGLES, surface_data.vertex_data, surface_data.attribute_data,
surface_data.skin_data, surface_data.vertex_count, surface_data.index_data, surface_data.index_count, surface_data.aabb);
CHECK(mesh2->get_surface_count() == 1);
CHECK(mesh2->surface_get_primitive_type(0) == Mesh::PRIMITIVE_TRIANGLES);
CHECK((mesh2->surface_get_format(0) & surface_data.format) != 0);
CHECK(mesh2->get_aabb().is_equal_approx(surface_data.aabb));
}
}
} // namespace TestArrayMesh
#endif // TEST_ARRAYMESH_H
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