#1235 POC: remove space animation when using cmd+tab

src/osax/arm64/payload.m

@@ -20,6 +20,14 @@ uint64_t get_dppm_offset(NSOperatingSystemVersion os_version) {
     return 0;
 }
 
+uint64_t get_fix_animation_offset(NSOperatingSystemVersion os_version) {
+    if (os_version.majorVersion == 12) {
+        return 0x0;
+    }
+
+    return 0;
+}
+
 uint64_t get_add_space_offset(NSOperatingSystemVersion os_version) {
     if (os_version.majorVersion == 12) {
         return 0x220000;
@@ -68,6 +76,14 @@ uint64_t get_set_front_window_offset(NSOperatingSystemVersion os_version) {
     return NULL;
 }
 
+const char *get_fix_animation_pattern(NSOperatingSystemVersion os_version) {
+    if (os_version.majorVersion == 12) {
+        return NULL;
+    }
+
+    return NULL;
+}
+
 const char *get_add_space_pattern(NSOperatingSystemVersion os_version) {
     if (os_version.majorVersion == 12) {
         return "7F 23 03 D5 FF C3 01 D1 E1 03 1E AA ?? ?? 00 94 FE 03 01 AA FD 7B 06 A9 FD 83 01 91 F5 03 14 AA F3 03 00 AA 89 E2 40 39 96 16 40 F9 C8 FE 7E D3 3F 05 00 71 A1 00 00 54 ?? 14 00 B5 C8 E2 7D 92 17 09 40 F9 ?? 00 00 14 ?? ?? 00 B5 C8 E2 7D 92 17 09 40 F9 ?? ?? 00 94 ?? ?? 00 B4 F8 06 00 F1 ?? 15 00 54 DA 0A 42 F2 E1 17 9F 1A E0 03 18 AA E2 03 16 AA ?? ?? FD 97 ?? 14 00 B5 C8 0E 18 8B ?? ?? 00 94 F4 03 00 AA";

src/osax/payload.m

@@ -324,6 +324,22 @@ static void init_instances()
 #endif
     }
 
+    uint64_t animation_time_addr = hex_find_seq(baseaddr + get_fix_animation_offset(os_version), get_fix_animation_pattern(os_version));
+    if (animation_time_addr == 0x0) {
+        NSLog(@"[yabai-sa] failed to get pointer to animation-time..");
+    } else {
+#ifdef __x86_64__
+        uint8_t *offset_instr = (uint8_t *) animation_time_addr + 4;
+        uint64_t offset_value = (offset_instr[3] << 24) + (offset_instr[2] << 16) + (offset_instr[1] << 8) + *offset_instr;
+        uint64_t target_addr = animation_time_addr + 8 + offset_value;
+
+        NSLog(@"[yabai-sa] (0x%llx) animation_time_addr found at address 0x%llX (0x%llx)", baseaddr, animation_time_addr, animation_time_addr - baseaddr);
+        vm_protect(mach_task_self(), target_addr, 8ULL, 0, 23);
+        *(double *)target_addr = 0.0001;
+#elif __arm64__
+#endif
+    }
+
     managed_space = objc_getClass("Dock.ManagedSpace");
     _connection = CGSMainConnectionID();
 }

src/osax/x86_64/payload.m

@@ -40,6 +40,22 @@ uint64_t get_dppm_offset(NSOperatingSystemVersion os_version) {
     return 0;
 }
 
+uint64_t get_fix_animation_offset(NSOperatingSystemVersion os_version) {
+    if (os_version.majorVersion == 12) {
+        return 0x0;
+    } else if ((os_version.majorVersion == 11) || (os_version.majorVersion == 10 && os_version.minorVersion == 16)) {
+        return 0x232000;
+    } else if (os_version.minorVersion == 15) {
+        return 0x0;
+    } else if (os_version.minorVersion == 14) {
+        return 0x0;
+    } else if (os_version.minorVersion == 13) {
+        return 0x0;
+    }
+
+    return 0;
+}
+
 uint64_t get_add_space_offset(NSOperatingSystemVersion os_version) {
     if (os_version.majorVersion == 12) {
         return 0x230000;
@@ -150,6 +166,23 @@ uint64_t get_set_front_window_offset(NSOperatingSystemVersion os_version) {
     return NULL;
 }
 
+
+const char *get_fix_animation_pattern(NSOperatingSystemVersion os_version) {
+    if (os_version.majorVersion == 12) {
+        return NULL;
+    } else if ((os_version.majorVersion == 11) || (os_version.majorVersion == 10 && os_version.minorVersion == 16)) {
+        return "F2 0F 10 05 ?? ?? 0F 00 4C 89 EF 48 8B 75 B8 4C 89 F2 44 8B 45 A8 4C 8B 8D 28 FF FF FF 4C 8B 6D 98 50 56 6A 01 49 89 DF 53 41 54 E8 ?? ?? 08 00 48 83 C4 30 48 89 45 98";
+    } else if (os_version.minorVersion == 15) {
+        return NULL;
+    } else if (os_version.minorVersion == 14) {
+        return NULL;
+    } else if (os_version.minorVersion == 13) {
+        return NULL;
+    }
+
+    return NULL;
+}
+
 const char *get_add_space_pattern(NSOperatingSystemVersion os_version) {
     if (os_version.majorVersion == 12) {
         return "55 48 89 E5 41 57 41 56 41 55 41 54 53 48 83 EC 18 48 89 7D D0 48 B8 01 00 00 00 00 00 00 40 49 BF F8 FF FF FF FF FF FF 00 4D 8B 65 28 4C 89 6D C8 41 80 7D 38 01 75 16 49 85 C4 0F 85 ?? 03 00 00 4D 21 FC 4D 8B 74 24 10 E9 ?? 01 00 00 49 85 C4 0F 85 ?? 03 00 00 4C 89 E0 4C 21 F8 4C 8B 70 10 4C 89 E7 E8 ?? ?? 0E 00 4D 85 F6 0F 84 ?? 01 00 00 4D 89 F7 49 FF CF 0F 80 ?? 03 00 00 48 BB 03 00 00 00 00 00 00 C0 31";
@@ -258,3 +291,4 @@ uint64_t get_set_front_window_offset(NSOperatingSystemVersion os_version) {
 
     return NULL;
 }
+