fix .so placement and loading paths

CMakeLists.txt

@@ -122,7 +122,8 @@ function(give_options target)
                         -ffp-contract=fast
                         -fno-signed-zeros
                         -fno-trapping-math
-                        -freciprocal-math)
+                        -freciprocal-math
+                        -Wl,$<$<BOOL:${TOWNENGINE_HOT_RELOAD}>:-rpath ./>)
 
                 set(BUILD_FLAGS_RELEASE
                         -O3
@@ -204,7 +205,12 @@ function(use_townengine target sources output_directory)
                 give_options(${target}_shared)
                 include_deps(${target}_shared)
                 target_link_libraries(${target}_shared PUBLIC SDL2::SDL2)
-                add_executable(${target} ${CMAKE_SOURCE_DIR}/townengine/null.c)
+                add_executable(${target} ${TOWNENGINE_DIR}/townengine/null.c)
+                                set_target_properties(${target}_shared PROPERTIES
+                                                       OUTPUT_NAME game
+                                                       LIBRARY_OUTPUT_DIRECTORY ${output_directory})
+                set_target_properties(${TOWNENGINE_TARGET} PROPERTIES
+                                                       LIBRARY_OUTPUT_DIRECTORY ${output_directory})
         else ()
                 add_executable(${target} ${sources})
         endif ()

apps/template/CMakeLists.txt

@@ -13,10 +13,7 @@ endif()
 
 set(SOURCE_FILES
         game.c
+        state.h
 )
 
-use_townengine(${PROJECT_NAME} "${SOURCE_FILES}")
+use_townengine(${PROJECT_NAME} "${SOURCE_FILES}" ${CMAKE_CURRENT_SOURCE_DIR})
-
-set_target_properties(${PROJECT_NAME} PROPERTIES
-        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-)

apps/template/game.c

@@ -4,7 +4,7 @@
 #include <malloc.h>
 
 
-void game_tick(t_ctx *ctx) {
+void game_tick(void) {
     /* do state initialization when engine asks for it */
     /* it could happen multiple times per application run, as game code is reloadable */
     if (ctx.initialization_needed) {

townengine/main.c

@@ -25,7 +25,7 @@
 #include <dlfcn.h>
 
 #ifdef __linux__
-    #define GAME_OBJECT_PATH "../apps/testgame/libgame.so"
+    #define GAME_OBJECT_PATH "./libgame.so"
 #else
     #define GAME_OBJECT_PATH "game.dll"
 #endif