Allow movie support to be compiled out

(and therefore remove the libjpeg-turbo dependency)

CMakeLists.txt

@@ -19,6 +19,7 @@ add_subdirectory(extern/aurora EXCLUDE_FROM_ALL)
 
 option(DUSK_BUILD_WARNINGS "If off, compiler warnings will be suppressed")
 option(DUSK_SELECTED_OPT "If on, selected parts of the project will be compiled with optimizations on Debug, intending to make the game run at 30 FPS. Note for MSVC: you will need to remove '/RTC1' from your debug flags in CMake.")
+option(DUSK_MOVIE_SUPPORT "If on, compile against libjpeg-turbo to enable THP file decoding" ON)
 
 if (CMAKE_SYSTEM_NAME STREQUAL Linux)
     # -Wno-multichar: Multi-character constants ('ABCD') are implementation-defined but all compilers
@@ -52,7 +53,10 @@ endif ()
 
 
 include(FetchContent)
-include(ExternalProject)
+
+if (DUSK_MOVIE_SUPPORT)
+    include(ExternalProject)
+endif ()
 
 message(STATUS "dusk: Fetching cxxopts")
 FetchContent_Declare(
@@ -63,7 +67,9 @@ FetchContent_Declare(
 
 FetchContent_MakeAvailable(cxxopts)
 
-include(cmake/libjpeg.cmake)
+if (DUSK_MOVIE_SUPPORT)
+    include(cmake/libjpeg.cmake)
+endif ()
 include(files.cmake)
 
 # TODO: version handling for res includes
@@ -109,7 +115,11 @@ add_library(game SHARED ${DOLZEL_FILES} ${Z2AUDIOLIB_FILES} ${SSYSTEM_FILES} ${J
         src/dusk/imgui/ImGuiStubLog.cpp
         src/dusk/imgui/ImGuiAudio.cpp)
 
-target_link_libraries(game PRIVATE game_debug cxxopts::cxxopts libjpeg-turbo-lib)
+target_link_libraries(game PRIVATE game_debug cxxopts::cxxopts)
+if (DUSK_MOVIE_SUPPORT)
+    target_link_libraries(game PRIVATE libjpeg-turbo-lib)
+    target_compile_definitions(game PRIVATE MOVIE_SUPPORT=1)
+endif ()
 target_compile_definitions(game PRIVATE TARGET_PC AVOID_UB=1 VERSION=0 NDEBUG=1 NDEBUG_DEFINED=1 DEBUG_DEFINED=0
         DUSK_TP_VERSION="${DUSK_TP_VERSION}" DUSK_GAME_NAME="${DUSK_GAME_NAME}" DUSK_GAME_VERSION="${DUSK_GAME_VERSION}")
 add_executable(dusk src/dusk/main.cpp)

src/d/actor/d_a_movie_player.cpp

@@ -31,7 +31,10 @@
 #include "dusk/layout.hpp"
 
 #include "JSystem/JAudio2/JASCriticalSection.h"
+
+#if MOVIE_SUPPORT
 #include "turbojpeg.h"
+#endif
 
 inline s32 daMP_NEXT_READ_SIZE(daMP_THPReadBuffer* readBuf) {
     return *(BE(s32)*)readBuf->ptr;
@@ -2582,6 +2585,7 @@ static void __THPHuffDecodeDCTCompV(__REGISTER THPFileInfo* info, THPCoeff* bloc
 }
 #else // !TARGET_PC
 
+#if MOVIE_SUPPORT
 static std::vector<u8> FixedJpegData;
 static tjhandle JpegDecompressHandle;
 
@@ -2673,6 +2677,11 @@ static s32 THPVideoDecode(void* file, size_t fileSize, void* tileY, void* tileU,
 
     return 0;
 }
+#else // MOVIE_SUPPORT
+static s32 THPVideoDecode(void*, size_t, void*, void*, void*, void*) {
+    return 1; // Immediate error.
+}
+#endif
 #endif
 
 static BOOL THPInit() {
@@ -3767,7 +3776,7 @@ static BOOL daMP_THPPlayerOpen(char const* filename, BOOL onMemory) {
 }
 
 static BOOL daMP_THPPlayerClose() {
-#if TARGET_PC
+#if TARGET_PC && MOVIE_SUPPORT
     tj3Destroy(JpegDecompressHandle);
     JpegDecompressHandle = nullptr;
 
@@ -4311,7 +4320,7 @@ static BOOL daMP_ActivePlayer_Init(char const* moviePath) {
 
     daMP_THPPlayerSetBuffer((u8*)daMP_buffer);
 
-#if TARGET_PC
+#if TARGET_PC && MOVIE_SUPPORT
     assert(JpegDecompressHandle == nullptr);
     JpegDecompressHandle = tj3Init(TJINIT_DECOMPRESS);
     if (JpegDecompressHandle == nullptr) {