mingw toolchain and final fixes for Windows. Closes #162

CMakeLists.txt

@@ -135,17 +135,28 @@ if(WIN32 OR MCRF_CROSS_WINDOWS)
     target_compile_definitions(mcrogueface PRIVATE Py_ENABLE_SHARED Py_PYCONFIG_H)
 endif()
 
-# On Windows, set subsystem to WINDOWS to hide console
+# On Windows, set subsystem to WINDOWS to hide console (release builds only)
+# Use -DMCRF_WINDOWS_CONSOLE=ON for debug builds with console output
+option(MCRF_WINDOWS_CONSOLE "Keep console window visible for debugging" OFF)
+
 if(WIN32 AND NOT MCRF_CROSS_WINDOWS)
     # MSVC-specific flags
+    if(NOT MCRF_WINDOWS_CONSOLE)
         set_target_properties(mcrogueface PROPERTIES
             WIN32_EXECUTABLE TRUE
             LINK_FLAGS "/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
+    endif()
 elseif(MCRF_CROSS_WINDOWS)
-    # MinGW cross-compilation: use -mwindows to hide console
+    # MinGW cross-compilation
+    if(NOT MCRF_WINDOWS_CONSOLE)
+        # Release: use -mwindows to hide console
         set_target_properties(mcrogueface PROPERTIES
             WIN32_EXECUTABLE TRUE
             LINK_FLAGS "-mwindows")
+    else()
+        # Debug: keep console for stdout/stderr output
+        message(STATUS "Windows console enabled for debugging")
+    endif()
 endif()
 
 # Now the linker will find the libraries in the specified directory

cmake/toolchains/mingw-w64-x86_64.cmake

@@ -0,0 +1,34 @@
+# CMake toolchain file for cross-compiling to Windows using MinGW-w64
+# Usage: cmake -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/mingw-w64-x86_64.cmake ..
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+# Specify the cross-compiler (use posix variant for std::mutex support)
+set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc-posix)
+set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++-posix)
+set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
+
+# Target environment location
+set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
+
+# Add MinGW system include directories for Windows headers
+include_directories(SYSTEM /usr/x86_64-w64-mingw32/include)
+
+# Adjust search behavior
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+# Static linking of libgcc and libstdc++ to avoid runtime dependency issues
+# Enable auto-import for Python DLL data symbols
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-static-libgcc -static-libstdc++ -Wl,--enable-auto-import")
+set(CMAKE_SHARED_LINKER_FLAGS_INIT "-static-libgcc -static-libstdc++ -Wl,--enable-auto-import")
+
+# Windows-specific defines
+add_definitions(-DWIN32 -D_WIN32 -D_WINDOWS)
+add_definitions(-DMINGW_HAS_SECURE_API)
+
+# Disable console window for GUI applications (optional, can be overridden)
+# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -mwindows")

deps/platform/windows/platform.h

@@ -1,6 +1,6 @@
 #ifndef __PLATFORM
 #define __PLATFORM
-#define __PLATFORM_SET_PYTHON_SEARCH_PATHS 0
+#define __PLATFORM_SET_PYTHON_SEARCH_PATHS 1
 #include <windows.h>
 
 std::wstring executable_path()

src/GameEngine.cpp

@@ -65,11 +65,21 @@ GameEngine::GameEngine(const McRogueFaceConfig& cfg)
                            !config.python_mode;
     
     if (should_load_game) {
+        std::cerr << "[DEBUG] GameEngine: loading default game.py" << std::endl;
+        std::cerr.flush();
         if (!Py_IsInitialized()) {
+            std::cerr << "[DEBUG] GameEngine: initializing Python API" << std::endl;
+            std::cerr.flush();
             McRFPy_API::api_init();
         }
+        std::cerr << "[DEBUG] GameEngine: importing mcrfpy" << std::endl;
+        std::cerr.flush();
         McRFPy_API::executePyString("import mcrfpy");
+        std::cerr << "[DEBUG] GameEngine: executing scripts/game.py" << std::endl;
+        std::cerr.flush();
         McRFPy_API::executeScript("scripts/game.py");
+        std::cerr << "[DEBUG] GameEngine: game.py execution complete" << std::endl;
+        std::cerr.flush();
     }
 
     // Note: --exec scripts are NOT executed here.

src/McRFPy_API.cpp

@@ -28,6 +28,7 @@
 #include "PyScene.h"
 #include "PythonObjectCache.h"
 #include <filesystem>
+#include <fstream>
 #include <cstring>
 #include <libtcod.h>
 
@@ -806,13 +807,26 @@ void McRFPy_API::executeScript(std::string filename)
         }
     }
     
-    FILE* PScriptFile = fopen(script_path.string().c_str(), "r");
-    if(PScriptFile) {
-        PyRun_SimpleFile(PScriptFile, script_path.string().c_str());
-        fclose(PScriptFile);
-    } else {
+    // Use std::ifstream + PyRun_SimpleString instead of PyRun_SimpleFile
+    // PyRun_SimpleFile has compatibility issues with MinGW-compiled code
+    std::ifstream file(script_path);
+    if (!file.is_open()) {
         std::cout << "Failed to open script: " << script_path.string() << std::endl;
+        return;
     }
+
+    std::string script_content((std::istreambuf_iterator<char>(file)),
+                                std::istreambuf_iterator<char>());
+    file.close();
+
+    // Set __file__ before execution
+    PyObject* main_module = PyImport_AddModule("__main__");
+    PyObject* main_dict = PyModule_GetDict(main_module);
+    PyObject* py_filename = PyUnicode_FromString(script_path.string().c_str());
+    PyDict_SetItemString(main_dict, "__file__", py_filename);
+    Py_DECREF(py_filename);
+
+    PyRun_SimpleString(script_content.c_str());
 }
 
 void McRFPy_API::api_shutdown()

src/main.cpp

@@ -7,6 +7,7 @@
 #include "PyTexture.h"
 #include <Python.h>
 #include <iostream>
+#include <fstream>
 #include <filesystem>
 
 // Forward declarations
@@ -18,7 +19,6 @@ int main(int argc, char* argv[])
     McRogueFaceConfig config;
     CommandLineParser parser(argc, argv);
 
-    // Parse arguments
     auto parse_result = parser.parse(config);
     if (parse_result.should_exit) {
         return parse_result.exit_code;
@@ -128,15 +128,45 @@ int run_python_interpreter(const McRogueFaceConfig& config)
     }
     else if (!config.script_path.empty()) {
         // Execute script file (sys.argv already set at init time)
-        FILE* fp = fopen(config.script_path.string().c_str(), "r");
-        if (!fp) {
+        // Note: Using PyRun_SimpleString instead of PyRun_SimpleFile for better
+        // cross-platform compatibility (PyRun_SimpleFile has issues with MinGW/Wine)
+
+        // Read file contents
+        std::ifstream file(config.script_path);
+        if (!file.is_open()) {
             std::cerr << "mcrogueface: can't open file '" << config.script_path << "': ";
             std::cerr << "[Errno " << errno << "] " << strerror(errno) << std::endl;
+            delete engine;
             return 1;
         }
+        std::string script_content((std::istreambuf_iterator<char>(file)),
+                                    std::istreambuf_iterator<char>());
+        file.close();
 
-        int result = PyRun_SimpleFile(fp, config.script_path.string().c_str());
-        fclose(fp);
+        // Set __file__ before execution
+        PyObject* main_module = PyImport_AddModule("__main__");
+        PyObject* main_dict = PyModule_GetDict(main_module);
+        PyObject* py_filename = PyUnicode_FromString(config.script_path.string().c_str());
+        PyDict_SetItemString(main_dict, "__file__", py_filename);
+        Py_DECREF(py_filename);
+
+        int result = PyRun_SimpleString(script_content.c_str());
+
+        // Flush Python stdout/stderr to ensure output appears before engine->run() blocks
+        PyObject* sys_module = PyImport_ImportModule("sys");
+        if (sys_module) {
+            PyObject* stdout_obj = PyObject_GetAttrString(sys_module, "stdout");
+            if (stdout_obj) {
+                PyObject_CallMethod(stdout_obj, "flush", NULL);
+                Py_DECREF(stdout_obj);
+            }
+            PyObject* stderr_obj = PyObject_GetAttrString(sys_module, "stderr");
+            if (stderr_obj) {
+                PyObject_CallMethod(stderr_obj, "flush", NULL);
+                Py_DECREF(stderr_obj);
+            }
+            Py_DECREF(sys_module);
+        }
 
         if (config.interactive_mode) {
             // Even if script had SystemExit, continue to interactive mode