re3/src/render/WeaponEffects.cpp

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#include "common.h"
#include "patcher.h"
#include "WeaponEffects.h"
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#include "TxdStore.h"
#include "Sprite.h"
RwTexture *gpCrossHairTex;
RwRaster *gpCrossHairRaster;
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CWeaponEffects gCrossHair;
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CWeaponEffects::CWeaponEffects()
{
}
CWeaponEffects::~CWeaponEffects()
{
}
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void
CWeaponEffects::Init(void)
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{
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gCrossHair.m_bActive = false;
gCrossHair.m_vecPos = CVector(0.0f, 0.0f, 0.0f);
gCrossHair.m_nRed = 0;
gCrossHair.m_nGreen = 0;
gCrossHair.m_nBlue = 0;
gCrossHair.m_nAlpha = 255;
gCrossHair.m_fSize = 1.0f;
gCrossHair.m_fRotation = 0.0f;
CTxdStore::PushCurrentTxd();
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int32 slot = CTxdStore::FindTxdSlot("particle");
CTxdStore::SetCurrentTxd(slot);
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gpCrossHairTex = RwTextureRead("crosshair", nil);
gpCrossHairRaster = RwTextureGetRaster(gpCrossHairTex);
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CTxdStore::PopCurrentTxd();
}
void
CWeaponEffects::Shutdown(void)
{
RwTextureDestroy(gpCrossHairTex);
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}
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void
CWeaponEffects::MarkTarget(CVector pos, uint8 red, uint8 green, uint8 blue, uint8 alpha, float size)
{
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gCrossHair.m_bActive = true;
gCrossHair.m_vecPos = pos;
gCrossHair.m_nRed = red;
gCrossHair.m_nGreen = green;
gCrossHair.m_nBlue = blue;
gCrossHair.m_nAlpha = alpha;
gCrossHair.m_fSize = size;
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}
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void
CWeaponEffects::ClearCrossHair(void)
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{
gCrossHair.m_bActive = false;
}
void
CWeaponEffects::Render(void)
{
if ( gCrossHair.m_bActive )
{
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)FALSE);
RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)TRUE);
RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDONE);
RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDONE);
RwRenderStateSet(rwRENDERSTATETEXTURERASTER, (void *)gpCrossHairRaster);
RwV3d pos;
float w, h;
if ( CSprite::CalcScreenCoors(gCrossHair.m_vecPos, &pos, &w, &h, true) )
{
float recipz = 1.0f / pos.z;
CSprite::RenderOneXLUSprite(pos.x, pos.y, pos.z,
gCrossHair.m_fSize * w, gCrossHair.m_fSize * h,
gCrossHair.m_nRed, gCrossHair.m_nGreen, gCrossHair.m_nBlue, 255,
recipz, 255);
}
RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)FALSE);
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)FALSE);
RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDSRCALPHA);
RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDINVSRCALPHA);
}
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}
STARTPATCHES
//InjectHook(0x564C40, CWeaponEffects::CWeaponEffects, PATCH_JUMP);
//InjectHook(0x564C50, CWeaponEffects::~CWeaponEffects, PATCH_JUMP);
InjectHook(0x564C60, CWeaponEffects::Init, PATCH_JUMP);
InjectHook(0x564CF0, CWeaponEffects::Shutdown, PATCH_JUMP);
InjectHook(0x564D00, CWeaponEffects::MarkTarget, PATCH_JUMP);
InjectHook(0x564D60, CWeaponEffects::ClearCrossHair, PATCH_JUMP);
InjectHook(0x564D70, CWeaponEffects::Render, PATCH_JUMP);
ENDPATCHES