Freeglut hell

src/micetools/dll/dllmain.c

@@ -150,7 +150,9 @@ void tea_hook_test(char* fmt, ...) {
 
 int mxkMain();
 DWORD WINAPI MxkThreadProc(LPVOID lpParameter) { mxkMain(); };
-void spawn_pcp_processes(void) { CreateThread(NULL, 0, &MxkThreadProc, NULL, 0, NULL); }
+void spawn_pcp_processes(void) {
+    // CreateThread(NULL, 0, &MxkThreadProc, NULL, 0, NULL);
+}
 
 BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
     if (ul_reason_for_call != DLL_PROCESS_ATTACH) return TRUE;

src/micetools/dll/hooks/gui.c

@@ -372,13 +372,16 @@ void hook_gui() {
     hook("User32.dll", "ChangeDisplaySettingsExW", FakeChangeDisplaySettingsExW,
          (void**)&TrueChangeDisplaySettingsExW);
     hook("D3d9.dll", "Direct3DCreate9", FakeDirect3DCreate9, (void**)&TrueDirect3DCreate9);
-    // Hooked as a way to identify use of GLUT
-    hook("FREEGLUT.DLL", "glutInitDisplayMode", Fake_glutInitDisplayMode,
-         (void**)&True_glutInitDisplayMode);
-    hook("FREEGLUT.DLL", "glutFullScreen", Fake_glutFullScreen, (void**)&True_glutFullScreen);
-    hook("FREEGLUT.DLL", "glutPositionWindow", Fake_glutPositionWindow,
-         (void**)&True_glutPositionWindow);
-    hook("FREEGLUT.DLL", "glutReshapeWindow", Fake_glutReshapeWindow,
-         (void**)&True_glutReshapeWindow);
-    hook("FREEGLUT.DLL", "glutSwapBuffers", Fake_glutSwapBuffers, (void**)&True_glutSwapBuffers);
+    if (PathFileExistsA("FREEGLUT.DLL")) {
+        // Hooked as a way to identify use of GLUT
+        hook("FREEGLUT.DLL", "glutInitDisplayMode", Fake_glutInitDisplayMode,
+             (void**)&True_glutInitDisplayMode);
+        hook("FREEGLUT.DLL", "glutFullScreen", Fake_glutFullScreen, (void**)&True_glutFullScreen);
+        hook("FREEGLUT.DLL", "glutPositionWindow", Fake_glutPositionWindow,
+             (void**)&True_glutPositionWindow);
+        hook("FREEGLUT.DLL", "glutReshapeWindow", Fake_glutReshapeWindow,
+             (void**)&True_glutReshapeWindow);
+        hook("FREEGLUT.DLL", "glutSwapBuffers", Fake_glutSwapBuffers,
+             (void**)&True_glutSwapBuffers);
+    }
 }

src/micetools/dll/meson.build

@@ -33,5 +33,8 @@ shared_library(
     include_directories: [
         openssl_inc,
     ],
-    dependencies: [cimgui.get_variable('cimgui_dep'), freeglut_lib]
+    dependencies: [
+        cimgui.get_variable('cimgui_dep'),
+        # freeglut_lib,  # forces the use of freeglut.dll!
+    ]
 )

src/micetools/launcher/main.c

@@ -55,7 +55,6 @@ void parse_cmdline(int argc, char* argv[]) {
 int main(int argc, char* argv[]) {
     load_mice_config();
 
-    fprintf(stderr, "Argc: %d\n", argc);
     CHAR workDir[MAX_PATH + 1];
     GetCurrentDirectory(MAX_PATH, workDir);
     fprintf(stderr, "Work dir: %s\n", workDir);

src/micetools/lib/mice/config.c

@@ -214,7 +214,6 @@ void load_mice_config() {
     if (MiceConfig.keys.board_count > JVS_IO_MAX) MiceConfig.keys.board_count = JVS_IO_MAX;
 
     char *text = MiceConfig.keys.keys;
-    printf("Text: %s\n", text);
     if (text) {
         char *copy = (char *)malloc(strlen(text) + 1);
         memcpy_s(copy, strlen(text) + 1, text, strlen(text) + 1);

src/micetools/lib/mice/exe.c

@@ -33,7 +33,7 @@ bool remote_call(HANDLE process, LPVOID function, LPCSTR argument, DWORD* result
 
     HANDLE remote_thread =
         CreateRemoteThread(process, NULL, 0, (LPTHREAD_START_ROUTINE)function, arg_addr, 0, NULL);
-    if (remote_thread == NULL) {
+    if (remote_thread == INVALID_HANDLE_VALUE) {
         fprintf(stderr, "Fatal: CreateRemoteThread failed: %03x\n", GetLastError());
         return false;
     }
@@ -99,16 +99,14 @@ HANDLE start_and_inject(LPCSTR path, LPSTR cmdline, LPCSTR inject, BOOL debug_wa
 
     // Start the binary
     flags |= CREATE_SUSPENDED;
-    if (!CreateProcessA(path, cmdline, NULL, NULL, FALSE, flags, NULL, NULL,
-                        &startupInfo, &processInformation)) {
+    if (!CreateProcessA(path, cmdline, NULL, NULL, FALSE, flags, NULL, NULL, &startupInfo,
+                        &processInformation)) {
         fprintf(stderr, "Fatal: CreateProcessA failed: %03x\n", GetLastError());
         goto abort;
     }
 
-    if (debug_wait) {
+    if (debug_wait)
         if (!inject_debug_wait(processInformation.hProcess)) goto abort;
-    }
-    // Sleep(5000);
     if (!inject_dll(processInformation.hProcess, inject)) goto abort;
 
     if (extra_injections != NULL && extra_injections[0] != '\0') {
@@ -140,15 +138,15 @@ HANDLE start_and_inject(LPCSTR path, LPSTR cmdline, LPCSTR inject, BOOL debug_wa
     return processInformation.hProcess;
 
 abort:
-    if (processInformation.hProcess) {
-        if (!CloseHandle(processInformation.hThread))
+    if (processInformation.hProcess && processInformation.hProcess != INVALID_HANDLE_VALUE) {
+        if (!CloseHandle(processInformation.hThread) && GetLastError() != ERROR_INVALID_HANDLE)
             fprintf(stderr, "Fatal: CloseHandle(hProcess) failed: %03x\n", GetLastError());
 
         if (!TerminateProcess(processInformation.hProcess, 1))
             fprintf(stderr, "Fatal: TerminateProcess failed: %03x\n", GetLastError());
     }
-    if (processInformation.hThread) {
-        if (!CloseHandle(processInformation.hThread))
+    if (processInformation.hThread && processInformation.hThread != INVALID_HANDLE_VALUE) {
+        if (!CloseHandle(processInformation.hThread) && GetLastError() != ERROR_INVALID_HANDLE)
             fprintf(stderr, "Fatal: CloseHandle(hThread) failed: %03x\n", GetLastError());
     }
 

subprojects/cimgui_dep/imgui/backends/GL/freeglut.cpp

@@ -0,0 +1,38 @@
+#include "freeglut.h"
+
+#include <Windows.h>
+
+HMODULE hFreeGLUT = 0;
+
+#define WRAP(procName, ret)                                   \
+    if (!hFreeGLUT) hFreeGLUT = LoadLibraryA("freeglut.dll"); \
+    if (hFreeGLUT == INVALID_HANDLE_VALUE) return ret;        \
+    return ((decltype(procName)*)(GetProcAddress(hFreeGLUT, #procName)))
+
+void FGAPIENTRY glutPassiveMotionFunc(void (*callback)(int, int)) {
+    WRAP(glutPassiveMotionFunc, )(callback);
+}
+void FGAPIENTRY glutKeyboardUpFunc(void (*callback)(unsigned char, int, int)) {
+    WRAP(glutKeyboardUpFunc, )(callback);
+}
+void FGAPIENTRY glutMouseFunc(void (*callback)(int, int, int, int)) {
+    WRAP(glutMouseFunc, )(callback);
+}
+void FGAPIENTRY glutKeyboardFunc(void (*callback)(unsigned char, int, int)) {
+    WRAP(glutKeyboardFunc, )(callback);
+}
+void FGAPIENTRY glutSpecialFunc(void (*callback)(int, int, int)) {
+    WRAP(glutSpecialFunc, )(callback);
+}
+void FGAPIENTRY glutMotionFunc(void (*callback)(int, int)) { WRAP(glutMotionFunc, )(callback); }
+int FGAPIENTRY glutGet(unsigned int query) { WRAP(glutGet, -1)(query); }
+void FGAPIENTRY glutReshapeFunc(void (*callback)(int, int)) { WRAP(glutReshapeFunc, )(callback); }
+int FGAPIENTRY glutGetModifiers(void) { WRAP(glutGetModifiers, -1)(); }
+
+void FGAPIENTRY glutSpecialUpFunc(void (*callback)(int, int, int)) {
+    WRAP(glutSpecialUpFunc, )(callback);
+}
+
+void FGAPIENTRY glutMouseWheelFunc(void (*callback)(int, int, int, int)) {
+    WRAP(glutMouseWheelFunc, )(callback);
+}

subprojects/cimgui_dep/imgui/backends/GL/freeglut_std.h

@@ -78,7 +78,9 @@
 
             /* Link with Win32 shared freeglut lib */
 #           if FREEGLUT_LIB_PRAGMAS
-#             pragma comment (lib, "freeglut.lib")
+// Disabled! We're going to to load freeglut in at runtime!
+// #             pragma comment (lib, "freeglut.lib")
+#           define FGAPI extern
 #           endif
 
 #       endif

subprojects/cimgui_dep/imgui/meson.build

@@ -15,6 +15,7 @@ if get_option('opengl2').enabled()
 endif
 if get_option('glut').enabled()
     sources += 'backends/imgui_impl_glut.cpp'
+    sources += 'backends/GL/freeglut.cpp'
 endif
 if get_option('dx11').enabled()
     sources += 'backends/imgui_impl_dx11.cpp'