/// <summary>
/// Primitive patching. Inserts a jump to 'target' at 'site'. Works even if both methods'
/// callers have already been compiled.
/// </summary>
/// <param name="site"></param>
/// <param name="target"></param>
public static RedirectCallsState PatchJumpTo(IntPtr site, IntPtr target)
{
RedirectCallsState state = new RedirectCallsState();
// R11 is volatile.
unsafe
{
byte* sitePtr = (byte*)site.ToPointer();
state.a = *sitePtr;
state.b = *(sitePtr + 1);
state.c = *(sitePtr + 10);
state.d = *(sitePtr + 11);
state.e = *(sitePtr + 12);
state.f = *((ulong*) (sitePtr + 2));
*sitePtr = 0x49; // mov r11, target
*(sitePtr + 1) = 0xBB;
*((ulong*)(sitePtr + 2)) = (ulong)target.ToInt64();
*(sitePtr + 10) = 0x41; // jmp r11
*(sitePtr + 11) = 0xFF;
*(sitePtr + 12) = 0xE3;
}
return state;
}
public static void Deploy()
{
if (!deployed)
{
_InitializePrefab_original = typeof(BuildingInfo).GetMethod("InitializePrefab", BindingFlags.Instance | BindingFlags.Public);
_InitializePrefab_detour = typeof(BuildingInfoDetour).GetMethod("InitializePrefab", BindingFlags.Instance | BindingFlags.Public);
_InitializePrefab_state = RedirectionHelper.RedirectCalls(_InitializePrefab_original, _InitializePrefab_detour);
deployed = true;
Debugger.Log("Building Themes: BuildingInfo Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_BuildingManager_GetRandomBuildingInfo_original = typeof(BuildingManager).GetMethod("GetRandomBuildingInfo", BindingFlags.Instance | BindingFlags.Public);
_BuildingManager_GetRandomBuildingInfo_detour = typeof(BuildingManagerDetour).GetMethod("GetRandomBuildingInfo", BindingFlags.Instance | BindingFlags.Public);
_BuildingManager_GetRandomBuildingInfo_state = RedirectionHelper.RedirectCalls(_BuildingManager_GetRandomBuildingInfo_original, _BuildingManager_GetRandomBuildingInfo_detour);
deployed = true;
Debugger.Log("Building Themes: BuildingManager Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_original = typeof(DistrictWorldInfoPanel).GetMethod("OnPoliciesClick", BindingFlags.Instance | BindingFlags.Public);
_detour = typeof(DistrictWorldInfoPanelDetour).GetMethod("OnPoliciesClick", BindingFlags.Instance | BindingFlags.Public);
_state = RedirectionHelper.RedirectCalls(_original, _detour);
deployed = true;
Debugger.Log("Building Themes: DistrictWorldInfoPanel Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_DistrictManager_ReleaseDistrictImplementation_original = typeof(DistrictManager).GetMethod("ReleaseDistrictImplementation", BindingFlags.Instance | BindingFlags.NonPublic);
_DistrictManager_ReleaseDistrictImplementation_detour = typeof(DistrictManagerDetour).GetMethod("ReleaseDistrictImplementation", BindingFlags.Instance | BindingFlags.NonPublic);
_DistrictManager_ReleaseDistrictImplementation_state = RedirectionHelper.RedirectCalls(_DistrictManager_ReleaseDistrictImplementation_original, _DistrictManager_ReleaseDistrictImplementation_detour);
deployed = true;
Debugger.Log("Building Themes: DistrictManager Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_ImmaterialResourceManager_AddResource_original = typeof(ImmaterialResourceManager).GetMethod("AddResource",
new[] { typeof(ImmaterialResourceManager.Resource), typeof(int), typeof(Vector3), typeof(float) });
_ImmaterialResourceManager_AddResource_detour = typeof(ImmaterialResourceManagerDetour).GetMethod("AddResource", BindingFlags.Instance | BindingFlags.Public);
_ImmaterialResourceManager_AddResource_state = RedirectionHelper.RedirectCalls(_ImmaterialResourceManager_AddResource_original, _ImmaterialResourceManager_AddResource_detour);
deployed = true;
Debugger.Log("Building Themes: ImmaterialResourceManager Methods detoured!");
}
}
public static void Deploy()
{
if (deployed || Util.IsModActive(BuildingThemesMod.EIGHTY_ONE_MOD))
{
Debugger.Log("Building Themes: ImmaterialResourceManager Methods won't be detoured: 81 Tiles detected");
return;
}
_ImmaterialResourceManager_AddResource_original = typeof(ImmaterialResourceManager).GetMethod("AddResource",
new[] { typeof(ImmaterialResourceManager.Resource), typeof(int), typeof(Vector3), typeof(float) });
_ImmaterialResourceManager_AddResource_detour = typeof(ImmaterialResourceManagerDetour).GetMethod("AddResource", BindingFlags.Instance | BindingFlags.Public);
_ImmaterialResourceManager_AddResource_state = RedirectionHelper.RedirectCalls(_ImmaterialResourceManager_AddResource_original, _ImmaterialResourceManager_AddResource_detour);
deployed = true;
Debugger.Log("Building Themes: ImmaterialResourceManager Methods detoured!");
}
public static void Deploy()
{
if (!deployed)
{
_ZoneBlock_SimulationStep_original = typeof(ZoneBlock).GetMethod("SimulationStep", BindingFlags.Public | BindingFlags.Instance);
_ZoneBlock_SimulationStep_detour = typeof(ZoneBlockDetour).GetMethod("SimulationStep", BindingFlags.Instance | BindingFlags.Public);
_ZoneBlock_SimulationStep_state = RedirectionHelper.RedirectCalls(_ZoneBlock_SimulationStep_original, _ZoneBlock_SimulationStep_detour);
_CheckBlock = typeof(ZoneBlock).GetMethod("CheckBlock", BindingFlags.NonPublic | BindingFlags.Instance);
_IsGoodPlace = typeof(ZoneBlock).GetMethod("IsGoodPlace", BindingFlags.NonPublic | BindingFlags.Instance);
deployed = true;
Debugger.Log("Building Themes: ZoneBlock Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_PoliciesPanel_RefreshPanel_original = typeof(PoliciesPanel).GetMethod("RefreshPanel", BindingFlags.Instance | BindingFlags.NonPublic);
_PoliciesPanel_RefreshPanel_detour = typeof(PoliciesPanelDetour).GetMethod("RefreshPanel", BindingFlags.Instance | BindingFlags.NonPublic);
_PoliciesPanel_RefreshPanel_state = RedirectionHelper.RedirectCalls(_PoliciesPanel_RefreshPanel_original, _PoliciesPanel_RefreshPanel_detour);
_PoliciesPanel_SetParentButton_original = typeof(PoliciesPanel).GetMethod("SetParentButton", BindingFlags.Instance | BindingFlags.Public);
_PoliciesPanel_SetParentButton_detour = typeof(PoliciesPanelDetour).GetMethod("SetParentButton", BindingFlags.Instance | BindingFlags.Public);
_PoliciesPanel_SetParentButton_state = RedirectionHelper.RedirectCalls(_PoliciesPanel_SetParentButton_original, _PoliciesPanel_SetParentButton_detour);
deployed = true;
Debugger.Log("Building Themes: PoliciesPanel Methods detoured!");
}
}
public static void Deploy()
{
if (!deployed)
{
_ZoneBlock_SimulationStep_original = typeof(ZoneBlock).GetMethod("SimulationStep", BindingFlags.Public | BindingFlags.Instance);
_ZoneBlock_SimulationStep_detour = typeof(ZoneBlockDetour).GetMethod("SimulationStep", BindingFlags.Static | BindingFlags.Public);
_ZoneBlock_SimulationStep_state = RedirectionHelper.RedirectCalls(_ZoneBlock_SimulationStep_original, _ZoneBlock_SimulationStep_detour);
_CheckBlock = typeof(ZoneBlock).GetMethod("CheckBlock", BindingFlags.NonPublic | BindingFlags.Instance);
_IsGoodPlace = typeof(ZoneBlock).GetMethod("IsGoodPlace", BindingFlags.NonPublic | BindingFlags.Instance);
if (Util.IsModActive(BuildingThemesMod.EIGHTY_ONE_MOD))
{
_zoneGridResolution = EIGHTY_ONE_ZONEGRID_RESOLUTION;
_zoneGridHalfResolution = EIGHTY_ONE_HALF_ZONEGRID_RESOLUTION;
}
deployed = true;
Debugger.Log("Building Themes: ZoneBlock Methods detoured!");
}
}
public static void RevertRedirect(MethodInfo from, RedirectCallsState state)
{
var fptr1 = from.MethodHandle.GetFunctionPointer();
RevertJumpTo(fptr1, state);
}
public static void RevertJumpTo(IntPtr site, RedirectCallsState state)
{
unsafe
{
byte* sitePtr = (byte*)site.ToPointer();
*sitePtr = state.a; // mov r11, target
*(sitePtr + 1) = state.b;
*((ulong*)(sitePtr + 2)) = state.f;
*(sitePtr + 10) = state.c; // jmp r11
*(sitePtr + 11) = state.d;
*(sitePtr + 12) = state.e;
}
}
public static void RevertRedirect(MethodInfo from, RedirectCallsState state)
{
var fptr1 = from.MethodHandle.GetFunctionPointer();
RevertJumpTo(fptr1, state);
}
