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# Code Generation Module
# Asset packing, timeline compilation, and music compilation
# =============================================================================
# Helper Functions
# =============================================================================
# Helper to parse asset list and extract individual file paths
function(parse_asset_list INPUT_TXT OUT_FILE_LIST)
set(ASSET_FILES "")
if(EXISTS ${INPUT_TXT})
# Get directory of INPUT_TXT for relative path resolution
get_filename_component(INPUT_DIR ${INPUT_TXT} DIRECTORY)
file(STRINGS ${INPUT_TXT} LINES)
foreach(LINE ${LINES})
# Skip comments and empty lines
string(STRIP "${LINE}" LINE)
if(NOT LINE MATCHES "^#" AND NOT LINE STREQUAL "")
# Extract filename (third field: ASSET_NAME, COMPRESSION, FILENAME, DESC)
string(REGEX REPLACE "^[^,]+,[^,]+,[ ]*([^,]+).*" "\\1" FILENAME "${LINE}")
string(STRIP "${FILENAME}" FILENAME)
# Try workspace-relative path first
set(FULL_PATH "${INPUT_DIR}/${FILENAME}")
if(NOT EXISTS ${FULL_PATH})
# Fall back to legacy path for compatibility
set(FULL_PATH "${CMAKE_CURRENT_SOURCE_DIR}/assets/final/${FILENAME}")
endif()
if(EXISTS ${FULL_PATH})
list(APPEND ASSET_FILES ${FULL_PATH})
endif()
endif()
endforeach()
endif()
set(${OUT_FILE_LIST} ${ASSET_FILES} PARENT_SCOPE)
endfunction()
# Pack assets for demo (output to src/generated/)
function(pack_assets NAME INPUT_TXT HEADER_VAR DATA_CC_VAR TARGET_NAME)
set(OUT_H ${CMAKE_CURRENT_SOURCE_DIR}/src/generated/${NAME}.h)
set(OUT_CC ${CMAKE_CURRENT_SOURCE_DIR}/src/generated/${NAME}_data.cc)
# Parse asset list to get individual file dependencies
parse_asset_list(${INPUT_TXT} ASSET_FILE_DEPS)
add_custom_command(
OUTPUT ${OUT_H} ${OUT_CC}
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_SOURCE_DIR}/src/generated
COMMAND ${ASSET_PACKER_CMD} ${INPUT_TXT} ${OUT_H} ${OUT_CC}
DEPENDS ${ASSET_PACKER_DEPENDS} ${INPUT_TXT} ${ASSET_FILE_DEPS}
COMMENT "Generating assets for ${NAME}..."
)
set(${HEADER_VAR} ${OUT_H} PARENT_SCOPE)
set(${DATA_CC_VAR} ${OUT_CC} PARENT_SCOPE)
add_custom_target(${TARGET_NAME} DEPENDS ${OUT_H} ${OUT_CC})
endfunction()
# Pack test assets (output to build/src/generated_test/)
function(pack_test_assets NAME INPUT_TXT HEADER_VAR DATA_CC_VAR TARGET_NAME)
set(OUT_H ${CMAKE_CURRENT_BINARY_DIR}/src/generated_test/${NAME}.h)
set(OUT_CC ${CMAKE_CURRENT_BINARY_DIR}/src/generated_test/${NAME}_data.cc)
# Parse asset list to get individual file dependencies
parse_asset_list(${INPUT_TXT} ASSET_FILE_DEPS)
add_custom_command(
OUTPUT ${OUT_H} ${OUT_CC}
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/src/generated_test
COMMAND ${ASSET_PACKER_CMD} ${INPUT_TXT} ${OUT_H} ${OUT_CC}
DEPENDS ${ASSET_PACKER_DEPENDS} ${INPUT_TXT} ${ASSET_FILE_DEPS}
COMMENT "Generating assets for test ${NAME}..."
)
set(${HEADER_VAR} ${OUT_H} PARENT_SCOPE)
set(${DATA_CC_VAR} ${OUT_CC} PARENT_SCOPE)
add_custom_target(${TARGET_NAME} DEPENDS ${OUT_H} ${OUT_CC})
endfunction()
# =============================================================================
# Generation Targets
# =============================================================================
# Timeline compilation
set(DEMO_SEQ_PATH ${WORKSPACE_TIMELINE})
set(GENERATED_TIMELINE_CC ${CMAKE_CURRENT_SOURCE_DIR}/src/generated/timeline.cc)
add_custom_command(
OUTPUT ${GENERATED_TIMELINE_CC}
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_SOURCE_DIR}/src/generated
COMMAND ${SEQ_COMPILER_CMD} ${DEMO_SEQ_PATH} ${GENERATED_TIMELINE_CC}
DEPENDS ${SEQ_COMPILER_DEPENDS} ${DEMO_SEQ_PATH}
src/gpu/demo_effects.h
COMMENT "Compiling demo sequence from workspace ${DEMO_WORKSPACE}..."
)
add_custom_target(generate_timeline ALL DEPENDS ${GENERATED_TIMELINE_CC})
# Music compilation
set(TRACKER_MUSIC_PATH ${WORKSPACE_MUSIC})
set(GENERATED_MUSIC_DATA_CC ${CMAKE_CURRENT_SOURCE_DIR}/src/generated/music_data.cc)
add_custom_command(
OUTPUT ${GENERATED_MUSIC_DATA_CC}
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_SOURCE_DIR}/src/generated
COMMAND ${TRACKER_COMPILER_FINAL_CMD} ${TRACKER_MUSIC_PATH} ${GENERATED_MUSIC_DATA_CC}
DEPENDS ${TRACKER_COMPILER_FINAL_DEPENDS} ${TRACKER_MUSIC_PATH} tracker_compiler_host
COMMENT "Compiling tracker music from workspace ${DEMO_WORKSPACE}..."
)
add_custom_target(generate_tracker_music ALL DEPENDS ${GENERATED_MUSIC_DATA_CC})
# Asset packing
pack_assets(assets ${WORKSPACE_ASSETS} GEN_DEMO_H GEN_DEMO_CC generate_demo_assets)
pack_test_assets(test_assets ${CMAKE_CURRENT_SOURCE_DIR}/assets/final/test_assets_list.txt GEN_TEST_H GEN_TEST_CC generate_test_assets)
# Mark generated files so CMake always checks if they need rebuilding
set_source_files_properties(${GEN_DEMO_H} ${GEN_DEMO_CC} PROPERTIES GENERATED TRUE)
set_source_files_properties(${GEN_TEST_H} ${GEN_TEST_CC} PROPERTIES GENERATED TRUE)
set_source_files_properties(${GENERATED_TIMELINE_CC} PROPERTIES GENERATED TRUE)
set_source_files_properties(${GENERATED_MUSIC_DATA_CC} PROPERTIES GENERATED TRUE)
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