cmake_minimum_required(VERSION 3.26)
project(Demo1)

set(CMAKE_CXX_STANDARD 20)

find_package(Python3 REQUIRED COMPONENTS Interpreter)

set(SHADER_FILES
    src/Shaders/Test.frag
    src/Shaders/Test.vert
)

add_executable(${PROJECT_NAME}
        src/main.cpp
        src/Demo1.cpp
        src/Demo1.h
)

# STAMP FILE THAT TRACK THE CHANGES IN SHADERS
set(OUTPUT_SHADER_STAMP "${CMAKE_CURRENT_SOURCE_DIR}/src/Shaders/shaders.stamp")

# COMPILE SHADERS USING PYTHON
add_custom_command(
        OUTPUT ${OUTPUT_SHADER_STAMP}
        COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/CompileShaders.py ${CMAKE_CURRENT_SOURCE_DIR}/src/Shaders ${CMAKE_CURRENT_SOURCE_DIR}
        DEPENDS ${SHADER_FILES}
        COMMENT "Compiling shaders"
)

# CREATE CUSTOM TARGET THAT LINK THE COMMAND TO THE PROJECT
add_custom_target(shader_compilation DEPENDS ${OUTPUT_SHADER_STAMP})

# ADD THE CUSTOM TARGET AS A DEPENDENCY
add_dependencies(${PROJECT_NAME} shader_compilation)

target_link_directories(${PROJECT_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/ConjureEngine)

find_package(SDL2 REQUIRED)

target_include_directories(${PROJECT_NAME} PRIVATE include)
target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/ConjureEngine/src)

target_link_libraries(${PROJECT_NAME} SDL2::SDL2 ConjureEngine)