📦 Added cgltf Conan package

cmake/macros/TargetCgltf.cmake

@@ -0,0 +1,4 @@
+macro(TARGET_CGLTF)
+    find_package(cgltf REQUIRED)
+    target_link_libraries(${TARGET_NAME} cgltf::cgltf)
+endmacro()

conan-recipes/cgltf/all/CMakeLists.txt

@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.4)
+project(cgltf C)
+
+set(SOURCES_DIR ${CMAKE_CURRENT_LIST_DIR}/src)
+
+set(SRC_FILES
+  ${SOURCES_DIR}/cgltf.c
+  ${SOURCES_DIR}/cgltf_write.c
+)
+set(HEADER_FILES
+  ${SOURCES_DIR}/cgltf.h
+  ${SOURCES_DIR}/cgltf_write.h
+)
+
+add_library(${PROJECT_NAME} ${SRC_FILES})
+set_property(TARGET ${PROJECT_NAME} PROPERTY C_STANDARD 99)
+if(MSVC AND BUILD_SHARED_LIBS)
+  set_property(TARGET ${PROJECT_NAME} PROPERTY WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+include(GNUInstallDirs)
+install(TARGETS ${PROJECT_NAME})
+install(FILES ${HEADER_FILES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})

conan-recipes/cgltf/all/conandata.yml

@@ -0,0 +1,31 @@
+sources:
+  "2024.02":
+    url: "https://github.com/jkuhlmann/cgltf/archive/de399881c65c438a635627c749440eeea7e05599.tar.gz"
+    sha256: "82f66737421cbd2a0797d7eb1dda61707317c44091dd514bf4a55401ba03fc8f"
+  "1.13":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.13.tar.gz"
+    sha256: "053d5320097334767486c6e33d01dd1b1c6224eac82aac2d720f4ec456d8c50b"
+  "1.12":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.12.tar.gz"
+    sha256: "2c429bb26256b49bfed2510aef1e5fa9321b27fe4cf226c9ece9a5867150974f"
+  "1.11":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.11.tar.gz"
+    sha256: "e086c9e886cf786a091f5aac05250f9ea836488bd799f327f87e95c8f4247cc6"
+  "1.10":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.10.tar.gz"
+    sha256: "13047916886298c11fb97a4145e24753847f4dd674423cd5e3c572ccc34fad22"
+  "1.9":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.9.tar.gz"
+    sha256: "dcbe3f35b6447a4b867d1acc9c64545b8d4483c9f7df390035489fa41f145b80"
+  "1.8":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.8.tar.gz"
+    sha256: "65f4b00c234bc526c3143bb93ed811803fb761cdf25370a378632c8478375938"
+  "1.7":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.7.tar.gz"
+    sha256: "a2c16bbfbc3efcddd004e6fb2dd86e664966163b3f70a030b2bb70a89015130b"
+  "1.6":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.6.tar.gz"
+    sha256: "d0856911ab0a36b4c7ceba254c39651bbe5b8daec5127a03634e16434bb5e583"
+  "1.5":
+    url: "https://github.com/jkuhlmann/cgltf/archive/v1.5.tar.gz"
+    sha256: "66c09ed6539e64cc8b7a5130172e33605ae42ee57be26bd523e7d820b230bbd1"

conan-recipes/cgltf/all/conanfile.py

@@ -0,0 +1,88 @@
+import os
+
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.files import copy, export_conandata_patches, get, load, replace_in_file, save, rename
+
+required_conan_version = ">=1.53.0"
+
+
+class CgltfConan(ConanFile):
+    name = "cgltf"
+    description = "Single-file glTF 2.0 loader and writer written in C99."
+    license = "MIT"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/jkuhlmann/cgltf"
+    topics = ("gltf", "header-only")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+    }
+
+    def export_sources(self):
+        copy(self, "CMakeLists.txt", src=self.recipe_folder, dst=self.export_sources_folder)
+        export_conandata_patches(self)
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.libcxx")
+        self.settings.rm_safe("compiler.cppstd")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def _create_source_files(self):
+        cgltf_c = '#define CGLTF_IMPLEMENTATION\n#include "cgltf.h"\n'
+        cgltf_write_c = '#define CGLTF_WRITE_IMPLEMENTATION\n#include "cgltf_write.h"\n'
+        save(self, os.path.join(self.build_folder, self.source_folder, "cgltf.c"), cgltf_c)
+        save(self, os.path.join(self.build_folder, self.source_folder, "cgltf_write.c"), cgltf_write_c)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.generate()
+
+    def build(self):
+        self._create_source_files()
+        cmake = CMake(self)
+        cmake.configure(build_script_folder=self.source_path.parent)
+        cmake.build()
+
+    def _remove_implementation(self, header_fullpath):
+        header_content = load(self, header_fullpath)
+        begin = header_content.find("/*\n *\n * Stop now, if you are only interested in the API.")
+        end = header_content.find("/* cgltf is distributed under MIT license:", begin)
+        implementation = header_content[begin:end]
+        replace_in_file(
+            self,
+            header_fullpath,
+            implementation,
+            "/**\n * Implementation removed by conan during packaging.\n * Don't forget to link libs provided in this package.\n */\n\n",
+        )
+
+    def package(self):
+        copy(self, "LICENSE", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
+        cmake = CMake(self)
+        cmake.install()
+        for header_file in ["cgltf.h", "cgltf_write.h"]:
+            header_fullpath = os.path.join(self.package_folder, "include", header_file)
+            self._remove_implementation(header_fullpath)
+        for dll in (self.package_path / "lib").glob("*.dll"):
+            rename(self, dll, self.package_path / "bin" / dll.name)
+
+    def package_info(self):
+        self.cpp_info.libs = ["cgltf"]

conan-recipes/cgltf/all/test_package/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES CXX)
+
+find_package(cgltf REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE cgltf::cgltf)
+if(MSVC)
+  target_compile_definitions(${PROJECT_NAME} PRIVATE _CRT_SECURE_NO_WARNINGS)
+endif()

conan-recipes/cgltf/all/test_package/conanfile.py

@@ -0,0 +1,26 @@
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

conan-recipes/cgltf/all/test_package/test_package.cpp

@@ -0,0 +1,54 @@
+#define CGLTF_IMPLEMENTATION // can be defined or not
+#include <cgltf.h>
+
+#include <cstdio>
+#include <cstdlib>
+
+// Performs matrix-vector multiplication, as in (4x4) * (4x1) = (4x1)
+static void transform(const cgltf_float matrix[16], const cgltf_float source[4], cgltf_float target[4]) {
+  target[0] = matrix[0] * source[0] + matrix[4] * source[1] + matrix[ 8] * source[2] + matrix[12] * source[3];
+  target[1] = matrix[1] * source[0] + matrix[5] * source[1] + matrix[ 9] * source[2] + matrix[13] * source[3];
+  target[2] = matrix[2] * source[0] + matrix[6] * source[1] + matrix[10] * source[2] + matrix[14] * source[3];
+  target[3] = matrix[3] * source[0] + matrix[7] * source[1] + matrix[11] * source[2] + matrix[15] * source[3];
+}
+
+static void set(cgltf_float target[3], float x, float y, float z) {
+  target[0] = x;
+  target[1] = y;
+  target[2] = z;
+}
+
+static void check(cgltf_float target[3], float x, float y, float z) {
+  if (target[0] != x || target[1] != y || target[2] != z) {
+    std::fprintf(stderr, "Mismatch detected.\n");
+    exit(1);
+  }
+}
+
+int main() {
+  cgltf_node node = {};
+
+  cgltf_float matrix[16];
+  cgltf_float source[4] = {1, 2, 3, 1};
+  cgltf_float target[4];
+
+  set(node.scale, 1, 1, 1);
+  set(node.translation, 1, 0, 0);
+  cgltf_node_transform_local(&node, matrix);
+  transform(matrix, source, target);
+  check(target, 2, 2, 3);
+
+  set(node.scale, 3, 1, 1);
+  set(node.translation, 0, 0, 0);
+  cgltf_node_transform_local(&node, matrix);
+  transform(matrix, source, target);
+  check(target, 3, 2, 3);
+
+  set(node.scale, 1, 3, 1);
+  set(node.translation, 1, 0, 0);
+  cgltf_node_transform_local(&node, matrix);
+  transform(matrix, source, target);
+  check(target, 2, 6, 3);
+
+  return 0;
+}

conan-recipes/cgltf/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../test_package/
+                 ${CMAKE_CURRENT_BINARY_DIR}/test_package/)

conan-recipes/cgltf/all/test_v1_package/conanfile.py

@@ -0,0 +1,17 @@
+import os
+
+from conans import ConanFile, CMake, tools
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self.settings):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)

conan-recipes/cgltf/config.yml

@@ -0,0 +1,19 @@
+versions:
+  "1.13":
+    folder: all
+  "1.12":
+    folder: all
+  "1.11":
+    folder: all
+  "1.10":
+    folder: all
+  "1.9":
+    folder: all
+  "1.8":
+    folder: all
+  "1.7":
+    folder: all
+  "1.6":
+    folder: all
+  "1.5":
+    folder: all

conanfile.py

@@ -45,6 +45,7 @@ class Overte(ConanFile):
         # self.requires("shaderc/2021.1") # Broken
         # self.requires("crashpad/cci.20220219") # Broken
         self.requires("bullet3/3.25")
+        self.requires("cgltf/2024.02@overte/stable")
         self.requires("discord-rpc/3.4.0@anotherfoxguy/stable")
         self.requires("draco/1.3.5")
         self.requires("etc2comp/cci.20170424")

libraries/model-serializers/CMakeLists.txt

@@ -5,3 +5,4 @@ link_hifi_libraries(shared graphics networking image hfm procedural material-net
 include_hifi_library_headers(gpu image)
 
 target_draco()
+target_cgltf()