SilentPatch/SAFix/PedSA.cpp

#include "StdAfxSA.h"
#include "PedSA.h"

static void* varGetWeaponSkill = AddressByVersion<void*>(0x5E6580, 0, 0);
WRAPPER unsigned char CPed::GetWeaponSkill() { VARJMP(varGetWeaponSkill); }
static void* varResetGunFlashAlpha = AddressByVersion<void*>(0x5DF4E0, 0, 0);
WRAPPER void CPed::ResetGunFlashAlpha() { VARJMP(varResetGunFlashAlpha); }
static void* varSetGunFlashAlpha = AddressByVersion<void*>(0x5DF400, 0, 0);
WRAPPER void CPed::SetGunFlashAlpha(bool bSecondWeapon) { WRAPARG(bSecondWeapon); VARJMP(varSetGunFlashAlpha); }

static RwObject* GetFirstObjectCallback(RwObject* pObject, void* pData)
{
	*static_cast<RwObject**>(pData) = pObject;
	return nullptr;
}

RwObject* GetFirstObject(RwFrame* pFrame)
{
	RwObject*	pObject = nullptr;
	RwFrameForAllObjects(pFrame, GetFirstObjectCallback, &pObject);
	return pObject;
}

void CPed::RenderWeapon(bool bMuzzleFlash)
{
	if ( m_pWeaponObject )
	{
		RpHAnimHierarchy*	pAnimHierarchy = GetAnimHierarchyFromSkinClump(m_pRwObject);
		bool				bHasParachute = weaponSlots[m_bActiveWeapon].m_eWeaponType == WEAPONTYPE_PARACHUTE;

		RwFrame*			pFrame = RpClumpGetFrame(reinterpret_cast<RpClump*>(m_pWeaponObject));
		*RwFrameGetMatrix(pFrame) = RpHAnimHierarchyGetMatrixArray(pAnimHierarchy)[RpHAnimIDGetIndex(pAnimHierarchy, bHasParachute ? 3 : 24)];

		if ( bHasParachute )
		{
			const RwV3d		vecParachuteTranslation = { 0.1f, -0.15f, 0.0f };
			const RwV3d		vecParachuteRotation = { 0.0f, 1.0f, 0.0f };
			RwMatrixTranslate(RwFrameGetMatrix(pFrame), &vecParachuteTranslation, rwCOMBINEPRECONCAT);
			RwMatrixRotate(RwFrameGetMatrix(pFrame), &vecParachuteRotation, 90.0f, rwCOMBINEPRECONCAT);
		}

		RwFrameUpdateObjects(pFrame);
		if ( !bMuzzleFlash )
		{
			RpClumpRender(reinterpret_cast<RpClump*>(m_pWeaponObject));
		}
		else if ( m_pMuzzleFlashFrame )
		{
			SetGunFlashAlpha(false);
			RpAtomicRender(reinterpret_cast<RpAtomic*>(GetFirstObject(m_pMuzzleFlashFrame)));
		}

		// Dual weapons
		if ( CWeaponInfo::GetWeaponInfo(weaponSlots[m_bActiveWeapon].m_eWeaponType, GetWeaponSkill())->hexFlags >> 11 & 1 )
		{
			*RwFrameGetMatrix(pFrame) = RpHAnimHierarchyGetMatrixArray(pAnimHierarchy)[RpHAnimIDGetIndex(pAnimHierarchy, 34)];				

			const RwV3d		vecParachuteRotation = { 1.0f, 0.0f, 0.0f };
			const RwV3d		vecParachuteTranslation  = { 0.04f, -0.05f, 0.0f };
			RwMatrixRotate(RwFrameGetMatrix(pFrame), &vecParachuteRotation, 180.0f, rwCOMBINEPRECONCAT);
			RwMatrixTranslate(RwFrameGetMatrix(pFrame), &vecParachuteTranslation, rwCOMBINEPRECONCAT);

			RwFrameUpdateObjects(pFrame);
			if ( !bMuzzleFlash )
			{
				RpClumpRender(reinterpret_cast<RpClump*>(m_pWeaponObject));
			}
			else if ( m_pMuzzleFlashFrame )
			{
				SetGunFlashAlpha(true);
				RpAtomicRender(reinterpret_cast<RpAtomic*>(GetFirstObject(m_pMuzzleFlashFrame)));
			}
		}
		if ( bMuzzleFlash )
			ResetGunFlashAlpha();
	}
}