Web version clean up

proj-web/CMakeLists.txt

@@ -10,6 +10,8 @@ endif()
 
 project(bishkek-witcher LANGUAGES C CXX)
 
+option(OPTIMIZE_WEB_RESOURCES "Resize PNG images for web build (requires Python3 + Pillow)" ON)
+
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
@@ -197,12 +199,39 @@ set(RESOURCES_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../resources")
 set(RESOURCES_ZIP "${CMAKE_CURRENT_BINARY_DIR}/resources.zip")
 get_filename_component(RESOURCES_PARENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/.." ABSOLUTE)
 
-add_custom_command(
-    OUTPUT "${RESOURCES_ZIP}"
-    COMMAND ${CMAKE_COMMAND} -E tar "cf" "${RESOURCES_ZIP}" --format=zip "resources"
-    WORKING_DIRECTORY "${RESOURCES_PARENT_DIR}"
-    DEPENDS "${RESOURCES_PARENT_DIR}/resources"
-)
+if(OPTIMIZE_WEB_RESOURCES)
+    find_package(Python3 COMPONENTS Interpreter REQUIRED)
+
+    set(WEB_RESOURCES_DIR "${RESOURCES_PARENT_DIR}/web_resources")
+    set(OPTIMIZE_STAMP    "${CMAKE_CURRENT_BINARY_DIR}/web_resources_optimized.stamp")
+
+    add_custom_command(
+        OUTPUT  "${OPTIMIZE_STAMP}"
+        COMMAND ${Python3_EXECUTABLE} -m pip install --quiet Pillow
+        COMMAND ${Python3_EXECUTABLE}
+                "${CMAKE_CURRENT_SOURCE_DIR}/../optimize_web_resources.py"
+                "--src" "${RESOURCES_DIR}"
+                "--dst" "${WEB_RESOURCES_DIR}"
+        COMMAND ${CMAKE_COMMAND} -E touch "${OPTIMIZE_STAMP}"
+        DEPENDS "${RESOURCES_PARENT_DIR}/resources"
+        COMMENT "Optimizing PNG images for web build..."
+    )
+
+    add_custom_command(
+        OUTPUT  "${RESOURCES_ZIP}"
+        COMMAND ${CMAKE_COMMAND} -E tar "cf" "${RESOURCES_ZIP}" --format=zip "resources"
+        WORKING_DIRECTORY "${WEB_RESOURCES_DIR}"
+        DEPENDS "${OPTIMIZE_STAMP}"
+        COMMENT "Packing optimized web resources..."
+    )
+else()
+    add_custom_command(
+        OUTPUT  "${RESOURCES_ZIP}"
+        COMMAND ${CMAKE_COMMAND} -E tar "cf" "${RESOURCES_ZIP}" --format=zip "resources"
+        WORKING_DIRECTORY "${RESOURCES_PARENT_DIR}"
+        DEPENDS "${RESOURCES_PARENT_DIR}/resources"
+    )
+endif()
 
 add_custom_target(pack_resources DEPENDS "${RESOURCES_ZIP}")
 add_dependencies(bishkek-witcher pack_resources)