#include "tier2/ifilesystem.h"
#include "materialsystem/imaterialsystem.h"
#include "enginebridge.h"
#include "worldrender.h"
#include "entitysystem.h"
#include "baseentity.h"
#include "game.h"
#include "cglm/mat4.h"
#include "cglm/cglm.h"

IFileSystem *filesystem;
IRenderContext *g_pRenderContext;
IGameWindow *g_pMainWindow;
static CEngineVars s_vars;
CEngineVars *g_pEngineVars = &s_vars;

class CFunnyGameBridge: public IEngineBridge
{
	virtual void Init() override;
	virtual void Tick( float fDelta ) override;
	virtual void Frame( float fDelta ) override;
	virtual void Shutdown() override;
	virtual void ConnectInterface( const char *psz, void *pInterface ) override;
};

IEngineBridge *EngineBridge()
{
	static CFunnyGameBridge s_bridge;
	return &s_bridge;
}

EXPOSE_INTERFACE_FN(EngineBridge, IEngineBridge, ENGINE_BRIDGE_INTERFACE_VERSION)

void CFunnyGameBridge::Init()
{
	g_pWorldRenderer->Init();
	C_BaseEntity *pEntity = EntitySystem()->CreateByClassname("player");
	pEntity->Spawn();
}

void CFunnyGameBridge::Tick( float fDelta )
{
}

void CFunnyGameBridge::Frame( float fDelta )
{
	g_pEngineVars->m_fTime += fDelta;
	g_pEngineVars->m_fDeltaTime = fDelta;
	EntitySystem()->Think();
	g_pWorldRenderer->Frame(fDelta);
}

void CFunnyGameBridge::Shutdown()
{

}

#define CONNECT_INTERFACE(szName, pGlobal) if (!V_strcmp(psz, szName)) { pGlobal = (typeof(pGlobal))pInterface; return; }
void CFunnyGameBridge::ConnectInterface( const char *psz, void *pInterface )
{
	CONNECT_INTERFACE(RENDER_CONTEXT_INTERFACE_VERSION, g_pRenderContext);
	CONNECT_INTERFACE(FILESYSTEM_INTERFACE_VERSION, filesystem);
	CONNECT_INTERFACE("MainWindow", g_pMainWindow);
}