From 29311207db0340f792cb5fec06986676f69c8946 Mon Sep 17 00:00:00 2001
From: ohyzha <oleksii.hyzha.ext@madvoxel.com>
Date: Fri, 26 Jul 2024 14:14:23 +0300
Subject: [PATCH] working msdfgen version of loading and building for win

---
 .gitea/workflows/DependencyMirrors.txt |  3 +-
 3rdParty/CMakeLists.txt                |  1 +
 3rdParty/msdf/CMakeLists.txt           | 78 ++++++++++++++++++++++++++
 CMakeLists.txt                         |  3 +-
 openVulkanoCpp/Scene/Geometry.cpp      |  2 +-
 5 files changed, 84 insertions(+), 3 deletions(-)
 create mode 100644 3rdParty/msdf/CMakeLists.txt

diff --git a/.gitea/workflows/DependencyMirrors.txt b/.gitea/workflows/DependencyMirrors.txt
index 1b1164c..0f971ae 100644
--- a/.gitea/workflows/DependencyMirrors.txt
+++ b/.gitea/workflows/DependencyMirrors.txt
@@ -21,4 +21,5 @@ UTFCPP_REPO=https://git.madvoxel.net/Mirrors/utfcpp.git
 TRACY_REPO=https://git.madvoxel.net/Mirrors/tracy.git
 STB_REPO=https://git.madvoxel.net/Mirrors/stb.git
 UNITS_REPO=https://git.madvoxel.net/Mirrors/units.git
-ANKERLUD_REPO=https://git.madvoxel.net/Mirrors/ankerl_unordered_dense.git
\ No newline at end of file
+ANKERLUD_REPO=https://git.madvoxel.net/Mirrors/ankerl_unordered_dense.git
+MSDFGEN_REPO=https://git.madvoxel.net/Mirrors/msdfgen.git
\ No newline at end of file
diff --git a/3rdParty/CMakeLists.txt b/3rdParty/CMakeLists.txt
index 976fbb5..71d5228 100644
--- a/3rdParty/CMakeLists.txt
+++ b/3rdParty/CMakeLists.txt
@@ -23,6 +23,7 @@ add_subdirectory(libarchive)
 add_subdirectory(boost)
 add_subdirectory(units)
 add_subdirectory(libjpeg-turbo)
+add_subdirectory(msdf)
 if (NOT IOS)
     add_subdirectory(curl)
 endif()
diff --git a/3rdParty/msdf/CMakeLists.txt b/3rdParty/msdf/CMakeLists.txt
new file mode 100644
index 0000000..5900c01
--- /dev/null
+++ b/3rdParty/msdf/CMakeLists.txt
@@ -0,0 +1,78 @@
+include(FetchContent)
+
+unset(ASSIMP_FOUND)
+find_package(ASSIMP QUIET)
+if (NOT ASSIMP_FOUND)
+    message(FATAL_ERROR "Assimp package is required to build msdfgen")
+endif()
+
+if(NOT DEFINED MSDFGEN_REPO)
+    set(MSDFGEN_REPO https://github.com/Chlumsky/msdfgen.git)
+endif ()
+
+if(NOT DEFINED VCPKG_REPO)
+    set(VCPKG_REPO https://github.com/microsoft/vcpkg.git)
+endif()
+
+set(VCPKG_SRC_DIR "${CMAKE_BINARY_DIR}/_deps/vcpkg-src")
+if (NOT EXISTS ${VCPKG_SRC_DIR} OR VCPKG_EXECUTABLE STREQUAL "" OR NOT DEFINED VCPKG_EXECUTABLE)
+    message("Cloning vcpkg...")
+    FetchContent_Declare(
+            vcpkg
+            EXCLUDE_FROM_ALL
+            GIT_REPOSITORY ${VCPKG_REPO}
+            GIT_TAG master
+            GIT_SHALLOW TRUE
+    )
+    FetchContent_MakeAvailable(vcpkg)    
+    if (WIN32)
+        execute_process(COMMAND "${VCPKG_SRC_DIR}/bootstrap-vcpkg.bat")
+        set(VCPKG_EXECUTABLE "${VCPKG_SRC_DIR}/vcpkg.exe" CACHE INTERNAL "vcpkg executable")
+    else()
+        execute_process(COMMAND bash "${VCPKG_SRC_DIR}/bootstrap-vcpkg.sh")
+        set(VCPKG_EXECUTABLE "${VCPKG_SRC_DIR}/vcpkg" CACHE INTERNAL "vcpkg executable")
+    endif()
+endif()
+
+# custom triplets (looks like doesn't work)
+#if (WIN32)
+#    set(VCPKG_TARGET_TRIPLET "${CMAKE_SOURCE_DIR}/cmake/x64-windows-static-triplet" CACHE STRING "VCPKG Target Triplet to use")
+#elseif(UNIX)
+#    set(VCPKG_TARGET_TRIPLET "${CMAKE_SOURCE_DIR}/cmake/x64-linux-triplet" CACHE STRING "VCPKG Target Triplet to use")
+#endif()
+
+if (WIN32)
+    # static win build breaks find_library call. need to specify FREETYPE_LIBRARY and FREETYPE_INCLUDE_DIRS manually.
+    # plain x64-windows will link freetype as dll instead of lib .......
+    set(TRIPLET x64-windows-static)
+elseif(UNIX)
+    set(TRIPLET x64-linux)
+elseif(APPLE)
+    set(TRIPLET x64-osx)
+else()
+    message(FATAL_ERROR "Unknown OS, can't build msdfgen")
+endif()
+
+execute_process(COMMAND ${VCPKG_EXECUTABLE} install freetype:${TRIPLET})
+set(CMAKE_TOOLCHAIN_FILE "${CMAKE_BINARY_DIR}/_deps/vcpkg-src/scripts/buildsystems/vcpkg.cmake" CACHE STRING "cmake toolchain")
+include("${VCPKG_SRC_DIR}/scripts/buildsystems/vcpkg.cmake")
+
+if(WIN32)
+    set(FREETYPE_LIBRARY "${VCPKG_SRC_DIR}/buildtrees/freetype/${TRIPLET}-rel/freetype.lib" CACHE STRING "freetype lib path on win")
+    set(FREETYPE_INCLUDE_DIRS "${VCPKG_SRC_DIR}/packages/freetype_${TRIPLET}/include" CACHE STRING "freetype include path on win")
+endif()
+
+#find_package(Freetype REQUIRED)
+
+set(MSDFGEN_DISABLE_SVG TRUE CACHE INTERNAL "disable msdfgen svg")
+set(MSDFGEN_DISABLE_PNG TRUE CACHE INTERNAL "disable msdfgen png")
+set(MSDFGEN_USE_SKIA OFF CACHE BOOL "use skia" FORCE)
+
+FetchContent_Declare(
+        msdfgen
+        EXCLUDE_FROM_ALL
+        GIT_REPOSITORY ${MSDFGEN_REPO}
+        GIT_TAG v1.12
+        GIT_SHALLOW TRUE
+)
+FetchContent_MakeAvailable(msdfgen)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cbc96f4..33d53a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -118,7 +118,8 @@ endif()
 
 list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR}/deps/INSTALL)
 
-target_link_libraries(openVulkanoCpp PRIVATE magic_enum yaml-cpp fmt spdlog glm pugixml stb eigen utf8cpp imgui_internal TracyClient stud-uuid ryml unordered_dense Boost::regex units)
+target_link_libraries(openVulkanoCpp PRIVATE magic_enum yaml-cpp fmt spdlog glm pugixml stb eigen utf8cpp imgui_internal
+                      TracyClient stud-uuid ryml unordered_dense Boost::regex units msdfgen::msdfgen msdfgen::msdfgen-ext)
 if (NOT IOS)
     LinkCurl(openVulkanoCpp)
 endif()
diff --git a/openVulkanoCpp/Scene/Geometry.cpp b/openVulkanoCpp/Scene/Geometry.cpp
index c2b28db..776062f 100644
--- a/openVulkanoCpp/Scene/Geometry.cpp
+++ b/openVulkanoCpp/Scene/Geometry.cpp
@@ -13,7 +13,7 @@
 #include <assimp/scene.h>
 #include <assimp/mesh.h>
 #include <assimp/postprocess.h>
-//#define ASSIMP_AVAILABLE
+#define ASSIMP_AVAILABLE
 #endif
 #include <stdexcept>