RadialMenu/plugins.cpp at dev · ej-mentol/RadialMenu · GitHub

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#include <metahook.h>
#include <interface.h>
#include "plugins.h"
#include "exportfuncs.h"

cl_exportfuncs_t gExportfuncs = { 0 };
cl_enginefunc_t gEngfuncs = { 0 };
mh_interface_t* g_pInterface = nullptr;
metahook_api_t* g_pMetaHookAPI = nullptr;
mh_enginesave_t* g_pMetaSave = nullptr;

IFileSystem* g_pFileSystem = nullptr;
IFileSystem_HL25* g_pFileSystem_HL25 = nullptr;
IImGuiExtension* g_pImGuiExtension = nullptr;

int glwidth = 0, glheight = 0;

void IPluginsV4::Init(metahook_api_t* pAPI, mh_interface_t* pInterface, mh_enginesave_t* pSave)
{
	g_pInterface = pInterface;
	g_pMetaHookAPI = pAPI;
	g_pMetaSave = pSave;

	g_pFileSystem = pInterface->FileSystem;
	if (!g_pFileSystem)
		g_pFileSystem_HL25 = pInterface->FileSystem_HL25;
}

void IPluginsV4::Shutdown(void)
{
	if (g_pImGuiExtension)
	{
		g_pImGuiExtension->UnregisterCallbacks(GetRadialMenuCallbacks());
	}
}

void IPluginsV4::LoadEngine(cl_enginefunc_t* pEngfuncs)
{
	g_pMetaHookAPI->GetVideoMode(&glwidth, &glheight, nullptr, nullptr);
	memcpy(&gEngfuncs, pEngfuncs, sizeof(gEngfuncs));
}

void IPluginsV4::LoadClient(cl_exportfuncs_t* pExportFunc)
{
	memcpy(&gExportfuncs, pExportFunc, sizeof(gExportfuncs));

	pExportFunc->HUD_Init = HUD_Init;

	// Resolve the shared ImGui Extension DLL and register callbacks
	HINTERFACEMODULE hImGuiExt = g_pMetaHookAPI->GetPluginModuleHandleByBaseFileName("IMGUIExtension");
	if (hImGuiExt)
	{
		auto factory = Sys_GetFactory(hImGuiExt);
		if (factory)
		{
			g_pImGuiExtension = (IImGuiExtension*)factory(IMGUI_EXTENSION_INTERFACE_VERSION, nullptr);
		}
	}

	if (g_pImGuiExtension)
	{
		g_pImGuiExtension->RegisterCallbacks(GetRadialMenuCallbacks());
	}
}

void IPluginsV4::ExitGame(int iResult)
{
	if (g_pImGuiExtension)
	{
		g_pImGuiExtension->UnregisterCallbacks(GetRadialMenuCallbacks());
	}
}

const char* IPluginsV4::GetVersion(void)
{
	return "0.3.2-dev";
}

EXPOSE_SINGLE_INTERFACE(IPluginsV4, IPluginsV4, METAHOOK_PLUGIN_API_VERSION_V4);