[custom levels] add 3rdparty library for gltf files (#1481)

CMakeLists.txt

@@ -162,6 +162,8 @@ add_subdirectory(third-party/lzokay EXCLUDE_FROM_ALL)
 
 # build format library
 add_subdirectory(third-party/fmt EXCLUDE_FROM_ALL)
+add_subdirectory(third-party/tiny_gltf EXCLUDE_FROM_ALL)
+
 # discord rich presence
 include_directories(third-party/discord-rpc/include)
 add_subdirectory(third-party/discord-rpc EXCLUDE_FROM_ALL)

game/graphics/display.h

@@ -40,15 +40,15 @@ class GfxDisplay {
  public:
   virtual ~GfxDisplay() {}
 
-  virtual void* get_window() const __NYI_DEF;
-  virtual void set_size(int w, int h) __NYI_DEF;
-  virtual void update_fullscreen(GfxDisplayMode mode, int screen) __NYI_DEF;
-  virtual void get_scale(float* x, float* y) __NYI_DEF;
-  virtual void get_screen_size(int vmode_idx, s32* w, s32* h, s32* c) __NYI_DEF;
-  virtual void get_position(int* x, int* y) __NYI_DEF;
-  virtual void get_size(int* w, int* h) __NYI_DEF;
-  virtual GfxDisplayMode get_fullscreen() __NYI_DEF;
-  virtual void render() __NYI_DEF;
+  virtual void* get_window() const = 0;
+  virtual void set_size(int w, int h) = 0;
+  virtual void update_fullscreen(GfxDisplayMode mode, int screen) = 0;
+  virtual void get_scale(float* x, float* y) = 0;
+  virtual void get_screen_size(int vmode_idx, s32* w, s32* h, s32* c) = 0;
+  virtual void get_position(int* x, int* y) = 0;
+  virtual void get_size(int* w, int* h) = 0;
+  virtual GfxDisplayMode get_fullscreen() = 0;
+  virtual void render() = 0;
   bool is_active() const { return get_window() != nullptr; }
   void set_title(const char* title);
   const char* title() const { return m_title; }

third-party/tiny_gltf/CMakeLists.txt

@@ -0,0 +1,9 @@
+if (UNIX)
+    set(CMAKE_CXX_FLAGS "-O3")
+else ()
+    set(CMAKE_CXX_FLAGS "/EHsc")
+endif (UNIX)
+
+include_directories(../)
+add_library(tiny_gltf tiny_gltf.cpp)
+

third-party/tiny_gltf/tiny_gltf.cpp

@@ -0,0 +1,4 @@
+#define TINYGLTF_IMPLEMENTATION
+#define STB_IMAGE_IMPLEMENTATION
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include "tiny_gltf.h"

tools/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_subdirectory(level_tools)
+add_subdirectory(build_level)
 
 add_executable(dgo_unpacker
         dgo_unpacker.cpp)

tools/build_level/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(build_level
+        main.cpp)
+
+target_link_libraries(build_level common compiler tiny_gltf)

tools/build_level/main.cpp

@@ -0,0 +1,3 @@
+int main() {
+  return 0;
+}