Esri#6 Add skeleton obj2slpk sample

Signed-off-by: Tisham Dhar <[email protected]>

CMakeLists.txt

@@ -174,3 +174,15 @@ endif()
 target_include_directories(raster2slpk PRIVATE include) 
 
 target_link_libraries(raster2slpk i3s)
+
+# obj2slpk example app target
+set(OBJ2SLPK_SOURCES "examples/obj2slpk/main.cpp")
+add_executable(obj2slpk ${OBJ2SLPK_SOURCES})
+
+if(WIN32)
+  target_compile_definitions(obj2slpk PRIVATE -D_UNICODE -DUNICODE)
+endif()
+
+target_include_directories(obj2slpk PRIVATE include) 
+
+target_link_libraries(obj2slpk i3s)

examples/obj2slpk/main.cpp

@@ -0,0 +1,29 @@
+/*
+Copyright 2021 Tisham Dhar
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of
+the License at http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+
+For additional information, contact:
+Tisham <whatnick> Dhar
+email: [email protected]
+*/
+
+#include "i3s/i3s_writer.h"
+#include <iostream>
+
+int main(int argc, char* argv[])
+{
+  if (argc != 5)
+  {
+    std::cout << "Usage:" << std::endl
+      << "obj2slpk <full_res_obj> <lod1_obj> <lod2_obj> <output_slpk_file>" << std::endl;
+
+    return 1;
+  }
+}