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HLMetaModOfficial/core-legacy/vsp_bridge.cpp

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/**
* vim: set ts=4 sw=4 tw=99 noet :
* ======================================================
* Metamod:Source
* Copyright (C) 2004-2009 AlliedModders LLC and authors.
* All rights reserved.
* ======================================================
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software in a
* product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#include <assert.h>
#include "sourcemm.h"
#include "concommands.h"
#include "util.h"
#include <loader_bridge.h>
SH_DECL_HOOK0_void(ConCommand, Dispatch, SH_NOATTRIB, false);
ConCommand *g_plugin_unload = NULL;
bool g_bIsTryingToUnload;
bool g_bIsBridgedAsVsp;
const char *vsp_desc = "Metamod:Source " MMS_FULL_VERSION;
void InterceptPluginUnloads()
{
g_bIsTryingToUnload = true;
}
void InterceptPluginUnloads_Post()
{
g_bIsTryingToUnload = false;
}
class VspBridge : public IVspBridge
{
virtual bool Load(const vsp_bridge_info *info, char *error, size_t maxlength)
{
assert(!g_bIsBridgedAsVsp);
if (!g_GameDll.loaded)
{
CreateInterfaceFn engineFactory = (CreateInterfaceFn)info->engineFactory;
CreateInterfaceFn gsFactory = (CreateInterfaceFn)info->gsFactory;
if (!AlternatelyLoadMetamod(engineFactory, gsFactory))
return false;
extern ConVar metamod_version;
char buffer[255];
UTIL_Format(buffer, sizeof(buffer), "%sV", metamod_version.GetString());
metamod_version.SetValue(buffer);
}
else
{
vsp_desc = "Metamod:Source Interface " MMS_FULL_VERSION;
}
ConCommandBase *pBase = g_Engine.icvar->GetCommands();
while (pBase != NULL)
{
if (pBase->IsCommand() && strcmp(pBase->GetName(), "plugin_unload") == 0)
{
g_plugin_unload = (ConCommand *)pBase;
break;
}
pBase = const_cast<ConCommandBase *>(pBase->GetNext());
}
if (g_plugin_unload != NULL)
{
SH_ADD_HOOK_STATICFUNC(ConCommand, Dispatch, g_plugin_unload, InterceptPluginUnloads, false);
SH_ADD_HOOK_STATICFUNC(ConCommand, Dispatch, g_plugin_unload, InterceptPluginUnloads_Post, true);
}
g_bIsBridgedAsVsp = true;
g_pRealVspCallbacks = info->vsp_callbacks;
g_vsp_version = info->vsp_version;
g_PluginMngr.SetVSPAsLoaded();
return true;
}
virtual void Unload()
{
if (g_bIsTryingToUnload)
{
Error("Metamod:Source cannot be unloaded from VSP mode. Use \"meta unload\" to unload specific plugins.\n");
return;
}
if (g_plugin_unload != NULL)
{
SH_REMOVE_HOOK_STATICFUNC(ConCommand, Dispatch, g_plugin_unload, InterceptPluginUnloads, false);
SH_REMOVE_HOOK_STATICFUNC(ConCommand, Dispatch, g_plugin_unload, InterceptPluginUnloads_Post, true);
g_plugin_unload = NULL;
}
if (!g_GameDll.loaded)
{
g_SMConVarAccessor.UnloadMetamodCommands();
UnloadMetamod(false);
}
}
virtual const char *GetDescription()
{
return vsp_desc;
}
};
VspBridge mm14_vsp_bridge;
SMM_API IVspBridge *
GetVspBridge()
{
return &mm14_vsp_bridge;
}