diff options
Diffstat (limited to 'src/renderer/Shadows.cpp')
| -rw-r--r-- | src/renderer/Shadows.cpp | 2520 |
1 files changed, 2520 insertions, 0 deletions
diff --git a/src/renderer/Shadows.cpp b/src/renderer/Shadows.cpp new file mode 100644 index 00000000..ae4cf724 --- /dev/null +++ b/src/renderer/Shadows.cpp @@ -0,0 +1,2520 @@ +#include "common.h" + +#include "main.h" +#include "TxdStore.h" +#include "Timer.h" +#include "Camera.h" +#include "Timecycle.h" +#include "CutsceneMgr.h" +#include "Automobile.h" +#include "Bike.h" +#include "Ped.h" +#include "PlayerPed.h" +#include "World.h" +#include "Weather.h" +#include "ModelIndices.h" +#include "RenderBuffer.h" +#ifdef FIX_BUGS +#include "Replay.h" +#endif +#include "PointLights.h" +#include "SpecialFX.h" +#include "Script.h" +#include "TimeStep.h" +#include "Shadows.h" +#include "CutsceneObject.h" +#include "CutsceneShadow.h" +#include "Clock.h" +#include "VarConsole.h" + +#ifdef DEBUGMENU +//SETTWEAKPATH("Shadows"); +//TWEAKBOOL(gbPrintShite); +#endif + +RwImVertexIndex ShadowIndexList[24]; + +RwTexture *gpShadowCarTex; +RwTexture *gpShadowPedTex; +RwTexture *gpShadowHeliTex; +RwTexture *gpShadowBikeTex; +RwTexture *gpShadowBaronTex; +RwTexture *gpShadowExplosionTex; +RwTexture *gpShadowHeadLightsTex; +RwTexture *gpOutline1Tex; +RwTexture *gpOutline2Tex; +RwTexture *gpOutline3Tex; +RwTexture *gpBloodPoolTex; +RwTexture *gpReflectionTex; +RwTexture *gpWalkDontTex; +RwTexture *gpCrackedGlassTex; +RwTexture *gpPostShadowTex; +RwTexture *gpGoalTex; + +int16 CShadows::ShadowsStoredToBeRendered; +CStoredShadow CShadows::asShadowsStored [MAX_STOREDSHADOWS]; +CPolyBunch CShadows::aPolyBunches [MAX_POLYBUNCHES]; +CStaticShadow CShadows::aStaticShadows [MAX_STATICSHADOWS]; +CPolyBunch *CShadows::pEmptyBunchList; +CPermanentShadow CShadows::aPermanentShadows[MAX_PERMAMENTSHADOWS]; + +#ifndef MASTER +bool gbCountPolysInShadow; +#endif + +void +CShadows::Init(void) +{ + CTxdStore::PushCurrentTxd(); + + int32 slut = CTxdStore::FindTxdSlot("particle"); + CTxdStore::SetCurrentTxd(slut); + + gpShadowCarTex = RwTextureRead("shad_car", nil); + gpShadowPedTex = RwTextureRead("shad_ped", nil); + gpShadowHeliTex = RwTextureRead("shad_heli", nil); + gpShadowBikeTex = RwTextureRead("shad_bike", nil); + gpShadowBaronTex = RwTextureRead("shad_rcbaron", nil); + gpShadowExplosionTex = RwTextureRead("shad_exp", nil); + gpShadowHeadLightsTex = RwTextureRead("headlight_single", nil); + gpOutline1Tex = RwTextureRead("outline_64", nil); + gpOutline2Tex = RwTextureRead("outline2_64", nil); + gpOutline3Tex = RwTextureRead("outline3_64", nil); + gpBloodPoolTex = RwTextureRead("bloodpool_64", nil); + //gpReflectionTex = RwTextureRead("reflection01", nil); + gpWalkDontTex = RwTextureRead("walk_dont", nil); + //gpCrackedGlassTex = RwTextureRead("wincrack_32", nil); + gpPostShadowTex = RwTextureRead("lamp_shad_64", nil); + + CTxdStore::PopCurrentTxd(); + + ASSERT(gpShadowCarTex != nil); + ASSERT(gpShadowPedTex != nil); + ASSERT(gpShadowHeliTex != nil); + ASSERT(gpShadowBikeTex != nil); + ASSERT(gpShadowBaronTex != nil); + ASSERT(gpShadowExplosionTex != nil); + ASSERT(gpShadowHeadLightsTex != nil); + ASSERT(gpOutline1Tex != nil); + ASSERT(gpOutline2Tex != nil); + ASSERT(gpOutline3Tex != nil); + ASSERT(gpBloodPoolTex != nil); + //ASSERT(gpReflectionTex != nil); + ASSERT(gpWalkDontTex != nil); + //ASSERT(gpCrackedGlassTex != nil); + ASSERT(gpPostShadowTex != nil); + + + ShadowIndexList[0] = 0; + ShadowIndexList[1] = 2; + ShadowIndexList[2] = 1; + + ShadowIndexList[3] = 0; + ShadowIndexList[4] = 3; + ShadowIndexList[5] = 2; + + ShadowIndexList[6] = 0; + ShadowIndexList[7] = 4; + ShadowIndexList[8] = 3; + + ShadowIndexList[9] = 0; + ShadowIndexList[10] = 5; + ShadowIndexList[11] = 4; + + ShadowIndexList[12] = 0; + ShadowIndexList[13] = 6; + ShadowIndexList[14] = 5; + + ShadowIndexList[15] = 0; + ShadowIndexList[16] = 7; + ShadowIndexList[17] = 6; + + ShadowIndexList[18] = 0; + ShadowIndexList[19] = 8; + ShadowIndexList[20] = 7; + + ShadowIndexList[21] = 0; + ShadowIndexList[22] = 9; + ShadowIndexList[23] = 8; + + + for ( int32 i = 0; i < MAX_STATICSHADOWS; i++ ) + { + aStaticShadows[i].m_nId = 0; + aStaticShadows[i].m_pPolyBunch = nil; + } + + pEmptyBunchList = &aPolyBunches[0]; + + for ( int32 i = 0; i < MAX_POLYBUNCHES; i++ ) + { + if ( i == MAX_POLYBUNCHES - 1 ) + aPolyBunches[i].m_pNext = nil; + else + aPolyBunches[i].m_pNext = &aPolyBunches[i + 1]; + } + + for ( int32 i = 0; i < MAX_PERMAMENTSHADOWS; i++ ) + { + aPermanentShadows[i].m_nType = SHADOWTYPE_NONE; + } + +#ifndef MASTER + VarConsole.Add("Count polys in shadow", &gbCountPolysInShadow, true); +#endif +} + +void +CShadows::Shutdown(void) +{ + ASSERT(gpShadowCarTex != nil); + ASSERT(gpShadowPedTex != nil); + ASSERT(gpShadowHeliTex != nil); + ASSERT(gpShadowBikeTex != nil); + ASSERT(gpShadowBaronTex != nil); + ASSERT(gpShadowExplosionTex != nil); + ASSERT(gpShadowHeadLightsTex != nil); + ASSERT(gpOutline1Tex != nil); + ASSERT(gpOutline2Tex != nil); + ASSERT(gpOutline3Tex != nil); + ASSERT(gpBloodPoolTex != nil); + //ASSERT(gpReflectionTex != nil); + ASSERT(gpWalkDontTex != nil); + //ASSERT(gpCrackedGlassTex != nil); + ASSERT(gpPostShadowTex != nil); + + RwTextureDestroy(gpShadowCarTex); + RwTextureDestroy(gpShadowPedTex); + RwTextureDestroy(gpShadowHeliTex); + RwTextureDestroy(gpShadowBikeTex); + RwTextureDestroy(gpShadowBaronTex); + RwTextureDestroy(gpShadowExplosionTex); + RwTextureDestroy(gpShadowHeadLightsTex); + RwTextureDestroy(gpOutline1Tex); + RwTextureDestroy(gpOutline2Tex); + RwTextureDestroy(gpOutline3Tex); + RwTextureDestroy(gpBloodPoolTex); + //RwTextureDestroy(gpReflectionTex); + RwTextureDestroy(gpWalkDontTex); + //RwTextureDestroy(gpCrackedGlassTex); + RwTextureDestroy(gpPostShadowTex); +} + +void +CShadows::AddPermanentShadow(uint8 ShadowType, RwTexture *pTexture, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, uint32 nTime, float fScale) +{ + ASSERT(pTexture != nil); + ASSERT(pPosn != nil); + + + // find free slot + int32 nSlot = 0; + while ( nSlot < MAX_PERMAMENTSHADOWS && aPermanentShadows[nSlot].m_nType != SHADOWTYPE_NONE ) + nSlot++; + + if ( nSlot < MAX_PERMAMENTSHADOWS ) + { + aPermanentShadows[nSlot].m_nType = ShadowType; + aPermanentShadows[nSlot].m_pTexture = pTexture; + aPermanentShadows[nSlot].m_vecPos = *pPosn; + aPermanentShadows[nSlot].m_vecFront.x = fFrontX; + aPermanentShadows[nSlot].m_vecFront.y = fFrontY; + aPermanentShadows[nSlot].m_vecSide.x = fSideX; + aPermanentShadows[nSlot].m_vecSide.y = fSideY; + aPermanentShadows[nSlot].m_nIntensity = nIntensity; + aPermanentShadows[nSlot].m_nRed = nRed; + aPermanentShadows[nSlot].m_nGreen = nGreen; + aPermanentShadows[nSlot].m_nBlue = nBlue; + aPermanentShadows[nSlot].m_fZDistance = fZDistance; + aPermanentShadows[nSlot].m_nLifeTime = nTime; + aPermanentShadows[nSlot].m_nTimeCreated = CTimer::GetTimeInMilliseconds(); + } +} + +bool +CShadows::StoreStaticShadow(uint32 nID, uint8 ShadowType, RwTexture *pTexture, Const CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, float fDrawDistance, bool bTempShadow, float fUpDistance) +{ + ASSERT(pPosn != nil); + + float fDistToCamSqr = (*pPosn - TheCamera.GetPosition()).MagnitudeSqr2D(); + + if ( SQR(fDrawDistance) > fDistToCamSqr || fDrawDistance == 0.0f ) + { + if ( fDrawDistance != 0.0f ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + if ( fDistToCam >= (fDrawDistance*(1.0f-(1.0f/4.0f))) ) + { + //fDistToCam == 0 -> 4 + //fDistToCam == fDrawDistance -> 0 + float fMult = 1.0f - (4.0f / fDrawDistance) * (fDistToCam - (fDrawDistance*(1.0f-(1.0f/4.0f)))); + + nIntensity = (int32)(nIntensity * fMult); + nRed = (int32)(nRed * fMult); + nGreen = (int32)(nGreen * fMult); + nBlue = (int32)(nBlue * fMult); + } + } + + int32 nSlot; + + nSlot = 0; + while ( nSlot < MAX_STATICSHADOWS && !(nID == aStaticShadows[nSlot].m_nId && aStaticShadows[nSlot].m_pPolyBunch != nil) ) + nSlot++; + + if ( nSlot < MAX_STATICSHADOWS ) + { + if ( Abs(pPosn->x - aStaticShadows[nSlot].m_vecPosn.x) < fUpDistance + && Abs(pPosn->y - aStaticShadows[nSlot].m_vecPosn.y) < fUpDistance ) + { + aStaticShadows[nSlot].m_bJustCreated = true; + aStaticShadows[nSlot].m_nType = ShadowType; + aStaticShadows[nSlot].m_pTexture = pTexture; + aStaticShadows[nSlot].m_nIntensity = nIntensity; + aStaticShadows[nSlot].m_nRed = nRed; + aStaticShadows[nSlot].m_nGreen = nGreen; + aStaticShadows[nSlot].m_nBlue = nBlue; + aStaticShadows[nSlot].m_fZDistance = fZDistance; + aStaticShadows[nSlot].m_fScale = fScale; + aStaticShadows[nSlot].m_bTemp = bTempShadow; + aStaticShadows[nSlot].m_nTimeCreated = CTimer::GetTimeInMilliseconds(); + + return true; + } + else if ( Abs(pPosn->x - aStaticShadows[nSlot].m_vecPosn.x) < 0.05f + && Abs(pPosn->y - aStaticShadows[nSlot].m_vecPosn.y) < 0.05f + && Abs(pPosn->z - aStaticShadows[nSlot].m_vecPosn.z) < 2.0f + + && fFrontX == aStaticShadows[nSlot].m_vecFront.x + && fFrontY == aStaticShadows[nSlot].m_vecFront.y + && fSideX == aStaticShadows[nSlot].m_vecSide.x + && fSideY == aStaticShadows[nSlot].m_vecSide.y ) + { + aStaticShadows[nSlot].m_bJustCreated = true; + aStaticShadows[nSlot].m_nType = ShadowType; + aStaticShadows[nSlot].m_pTexture = pTexture; + aStaticShadows[nSlot].m_nIntensity = nIntensity; + aStaticShadows[nSlot].m_nRed = nRed; + aStaticShadows[nSlot].m_nGreen = nGreen; + aStaticShadows[nSlot].m_nBlue = nBlue; + aStaticShadows[nSlot].m_fZDistance = fZDistance; + aStaticShadows[nSlot].m_fScale = fScale; + aStaticShadows[nSlot].m_bTemp = bTempShadow; + aStaticShadows[nSlot].m_nTimeCreated = CTimer::GetTimeInMilliseconds(); + + return true; + } + else + { + aStaticShadows[nSlot].Free(); + + aStaticShadows[nSlot].m_nId = nID; + aStaticShadows[nSlot].m_nType = ShadowType; + aStaticShadows[nSlot].m_pTexture = pTexture; + aStaticShadows[nSlot].m_nIntensity = nIntensity; + aStaticShadows[nSlot].m_nRed = nRed; + aStaticShadows[nSlot].m_nGreen = nGreen; + aStaticShadows[nSlot].m_nBlue = nBlue; + aStaticShadows[nSlot].m_fZDistance = fZDistance; + aStaticShadows[nSlot].m_fScale = fScale; + aStaticShadows[nSlot].m_vecPosn = *pPosn; + aStaticShadows[nSlot].m_vecFront.x = fFrontX; + aStaticShadows[nSlot].m_vecFront.y = fFrontY; + aStaticShadows[nSlot].m_vecSide.x = fSideX; + aStaticShadows[nSlot].m_vecSide.y = fSideY; + aStaticShadows[nSlot].m_bJustCreated = true; + aStaticShadows[nSlot].m_bTemp = bTempShadow; + aStaticShadows[nSlot].m_nTimeCreated = CTimer::GetTimeInMilliseconds(); + + GeneratePolysForStaticShadow(nSlot); + + return aStaticShadows[nSlot].m_pPolyBunch != nil; + } + } + else + { + nSlot = 0; + while ( nSlot < MAX_STATICSHADOWS && aStaticShadows[nSlot].m_pPolyBunch != nil ) + nSlot++; + + if ( nSlot != MAX_STATICSHADOWS ) + { + aStaticShadows[nSlot].m_nId = nID; + aStaticShadows[nSlot].m_nType = ShadowType; + aStaticShadows[nSlot].m_pTexture = pTexture; + aStaticShadows[nSlot].m_nIntensity = nIntensity; + aStaticShadows[nSlot].m_nRed = nRed; + aStaticShadows[nSlot].m_nGreen = nGreen; + aStaticShadows[nSlot].m_nBlue = nBlue; + aStaticShadows[nSlot].m_fZDistance = fZDistance; + aStaticShadows[nSlot].m_fScale = fScale; + aStaticShadows[nSlot].m_vecPosn = *pPosn; + aStaticShadows[nSlot].m_vecFront.x = fFrontX; + aStaticShadows[nSlot].m_vecFront.y = fFrontY; + aStaticShadows[nSlot].m_vecSide.x = fSideX; + aStaticShadows[nSlot].m_vecSide.y = fSideY; + aStaticShadows[nSlot].m_bJustCreated = true; + aStaticShadows[nSlot].m_bTemp = bTempShadow; + aStaticShadows[nSlot].m_nTimeCreated = CTimer::GetTimeInMilliseconds(); + + GeneratePolysForStaticShadow(nSlot); + + return aStaticShadows[nSlot].m_pPolyBunch != nil; + } + } + } + + return true; +} + +void +CShadows::StoreShadowToBeRendered(uint8 ShadowTexture, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue) +{ + ASSERT(pPosn != nil); + + switch ( ShadowTexture ) + { + case SHADOWTEX_NONE: + { + break; + } + + case SHADOWTEX_CAR: + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowCarTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + 15.0f, false, 1.0f, nil, false); + + break; + } + + case SHADOWTEX_PED: + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowPedTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + 15.0f, false, 1.0f, nil, false); + + break; + } + + case SHADOWTEX_EXPLOSION: + { + StoreShadowToBeRendered(SHADOWTYPE_ADDITIVE, gpShadowExplosionTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + 15.0f, false, 1.0f, nil, false); + + break; + } + + case SHADOWTEX_HELI: + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowHeliTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + 15.0f, false, 1.0f, nil, false); + + break; + } + + case SHADOWTEX_HEADLIGHTS: + { + StoreShadowToBeRendered(SHADOWTYPE_ADDITIVE, gpShadowHeadLightsTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + 15.0f, false, 1.0f, nil, false); + + break; + } + + case SHADOWTEX_BLOOD: + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpBloodPoolTex, pPosn, + fFrontX, fFrontY, fSideX, fSideY, + nIntensity, nRed, 150, 0, + 15.0f, false, 1.0f, nil, false); + + break; + } + } + + //ASSERT(false); +} + +void +CShadows::StoreShadowToBeRendered(uint8 ShadowType, RwTexture *pTexture, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, bool bDrawOnWater, float fScale, CCutsceneShadow *pShadow, bool bDrawOnBuildings) +{ + ASSERT(pTexture != nil); + ASSERT(pPosn != nil); + + if ( ShadowsStoredToBeRendered < MAX_STOREDSHADOWS ) + { + asShadowsStored[ShadowsStoredToBeRendered].m_ShadowType = ShadowType; + asShadowsStored[ShadowsStoredToBeRendered].m_pTexture = pTexture; + asShadowsStored[ShadowsStoredToBeRendered].m_vecPos = *pPosn; + asShadowsStored[ShadowsStoredToBeRendered].m_vecFront.x = fFrontX; + asShadowsStored[ShadowsStoredToBeRendered].m_vecFront.y = fFrontY; + asShadowsStored[ShadowsStoredToBeRendered].m_vecSide.x = fSideX; + asShadowsStored[ShadowsStoredToBeRendered].m_vecSide.y = fSideY; + asShadowsStored[ShadowsStoredToBeRendered].m_nIntensity = nIntensity; + asShadowsStored[ShadowsStoredToBeRendered].m_nRed = nRed; + asShadowsStored[ShadowsStoredToBeRendered].m_nGreen = nGreen; + asShadowsStored[ShadowsStoredToBeRendered].m_nBlue = nBlue; + asShadowsStored[ShadowsStoredToBeRendered].m_fZDistance = fZDistance; + asShadowsStored[ShadowsStoredToBeRendered].m_nFlags.bDrawOnWater = bDrawOnWater; + asShadowsStored[ShadowsStoredToBeRendered].m_nFlags.bDrawOnBuildings = bDrawOnBuildings; + asShadowsStored[ShadowsStoredToBeRendered].m_fScale = fScale; + asShadowsStored[ShadowsStoredToBeRendered].m_pCutsceneShadow = pShadow; + + ShadowsStoredToBeRendered++; + } +} + + +void +CShadows::StoreShadowForVehicle(CVehicle *pCar, VEH_SHD_TYPE type) +{ + ASSERT(pCar != nil); + + if ( CTimeCycle::GetShadowStrength() != 0 ) + { + CVector CarPos = pCar->GetPosition(); + float fDistToCamSqr = (CarPos - TheCamera.GetPosition()).MagnitudeSqr2D(); + + if ( CCutsceneMgr::IsRunning() ) + fDistToCamSqr /= SQR(TheCamera.LODDistMultiplier) * 4.0f; + + float fDrawDistance; + switch ( type ) + { + case VEH_SHD_TYPE_SEAPLANE: + case VEH_SHD_TYPE_RCPLANE: + fDrawDistance = 144.0f; + break; + + case VEH_SHD_TYPE_HELI: + fDrawDistance = 144.0f; + break; + + default: + fDrawDistance = 18.0f; + break; + } + + if ( fDistToCamSqr < SQR(fDrawDistance) ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + //fDistToCam == 0 -> 4 + //fDistToCam == fDrawDistance -> 0 + float fMult = 1.0f - (fDistToCam - (fDrawDistance*(1.0f-(1.0f/4.0f)))) / (fDrawDistance*(1.0f/4.0f)); + + int32 nColorStrength; + + if ( fDistToCam >= (fDrawDistance*(1.0f-(1.0f/4.0f))) ) + nColorStrength = (int32)(fMult * CTimeCycle::GetShadowStrength()); + else + nColorStrength = CTimeCycle::GetShadowStrength(); + + + float fVehicleHeight = pCar->GetColModel()->boundingBox.GetSize().y; + float fVehicleWidth = pCar->GetColModel()->boundingBox.GetSize().x; + + float size = 1.0f; + + if ( pCar->GetModelIndex() == MI_HUNTER ) + { + fVehicleWidth *= 3.0f; + fVehicleHeight *= 1.4f; + size *= 0.5f; + } + else if ( pCar->GetModelIndex() == MI_ANGEL ) + { + fVehicleHeight = fVehicleHeight * 1.5f; + size = 0.03f; + } + else if ( pCar->GetModelIndex() == MI_SEASPAR ) + { + fVehicleWidth *= 3.0f; + fVehicleHeight *= 1.4f; + size *= 0.5f; + } + else if ( pCar->GetModelIndex() == MI_PIZZABOY || pCar->GetModelIndex() == MI_PCJ600 || pCar->GetModelIndex() == MI_FAGGIO ) + { + fVehicleHeight *= 1.2f; + size = 0.05f; + } + else if ( pCar->GetModelIndex() == MI_FREEWAY ) + { + fVehicleHeight *= 1.5f; + size = 0.03f; + } + else if ( pCar->GetModelIndex() == MI_RCRAIDER ) + { + fVehicleHeight *= 1.5f; + fVehicleWidth *= 2.0f; + size = 0.2f; + } + else if ( pCar->GetModelIndex() == MI_SANCHEZ ) + { + fVehicleHeight *= 1.5f; + size = 0.03f; + } + else if ( pCar->GetModelIndex() == MI_SPARROW || pCar->GetModelIndex() == MI_MAVERICK || pCar->GetModelIndex() == MI_VCNMAV || pCar->GetModelIndex() == MI_POLMAV ) + { + fVehicleWidth *= 3.0f; + fVehicleHeight *= 1.4f; + size *= 0.5f; + } + else if ( pCar->GetModelIndex() == MI_RCGOBLIN ) + { + fVehicleHeight *= 1.5f; + fVehicleWidth *= 2.0f; + size = 0.2f; + } + else if ( pCar->GetModelIndex() == MI_DODO ) + { + fVehicleHeight *= 0.9f; + fVehicleWidth *= 0.4f; + } + + CarPos.x -= pCar->GetForward().x * (((fVehicleHeight/2) - pCar->GetColModel()->boundingBox.max.y)*size); + CarPos.y -= pCar->GetForward().y * (((fVehicleHeight/2) - pCar->GetColModel()->boundingBox.max.y)*size); + + RwTexture *tex = gpShadowCarTex; + switch ( type ) + { + case VEH_SHD_TYPE_BIKE: + { + float wheelZ = Abs(((CBike*)pCar)->m_fLeanLRAngle); + float mul = 5.092958f * wheelZ + 1.0f; + if (pCar->GetStatus() == STATUS_PHYSICS) + { + float z = pCar->GetRight().z; + if (z > 0.6f) + mul += 4.0f * z; + } + fVehicleWidth *= mul; + tex = gpShadowBikeTex; + break; + } + + case VEH_SHD_TYPE_HELI: + tex = gpShadowHeliTex; + break; + + case VEH_SHD_TYPE_SEAPLANE: + nColorStrength = CTimeCycle::GetShadowStrength(); + tex = gpShadowBaronTex; + break; + + case VEH_SHD_TYPE_RCPLANE: + tex = gpShadowBaronTex; + fVehicleHeight *= 1.5f; + fVehicleWidth *= 2.2f; + break; + + case VEH_SHD_TYPE_CAR: + tex = gpShadowCarTex; + break; + } + + float frontx = pCar->GetForward().x; + float fronty = pCar->GetForward().y; + float sidex = pCar->GetRight().x; + float sidey = pCar->GetRight().y; + + switch ( type ) + { + case VEH_SHD_TYPE_BIKE: + if ( Abs(pCar->GetRight().z) > 0.6f ) + { + sidex = pCar->GetUp().x; + sidey = pCar->GetUp().y; + } + break; + + case VEH_SHD_TYPE_HELI: + if ( Abs(pCar->GetRight().z) > 0.57f ) + { + sidex = pCar->GetUp().x; + sidey = pCar->GetUp().y; + } + if ( Abs(pCar->GetForward().z) > 0.57f ) + { + frontx = pCar->GetUp().x; + fronty = pCar->GetUp().y; + } + break; + } + + bool bDrawOnBuildings = false; + if ( pCar->GetModelIndex() == MI_RCBANDIT + || pCar->GetModelIndex() == MI_RCBARON + || pCar->GetModelIndex() == MI_RCRAIDER + || pCar->GetModelIndex() == MI_RCGOBLIN + || pCar == FindPlayerVehicle() ) + { + bDrawOnBuildings = true; + } + + if ( pCar->m_vecMoveSpeed.Magnitude() * CTimeStep::ms_fTimeStep > 0.1f || bDrawOnBuildings ) + { + if ( pCar->GetUp().z > 0.0f ) + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, tex, &CarPos, + frontx * (fVehicleHeight / 2), + fronty * (fVehicleHeight / 2), + sidex * (fVehicleWidth / 2), + sidey * (fVehicleWidth / 2), + nColorStrength, nColorStrength, nColorStrength, nColorStrength, + 4.5f, false, 1.0f, nil, bDrawOnBuildings); + } + else + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, tex, &CarPos, + frontx * (fVehicleHeight / 2), + fronty * (fVehicleHeight / 2), + -sidex * (fVehicleWidth / 2), + -sidey * (fVehicleWidth / 2), + nColorStrength, nColorStrength, nColorStrength, nColorStrength, + 4.5f, false, 1.0f, nil, bDrawOnBuildings); + } + } + else + { + if ( pCar->GetUp().z > 0.0f ) + { + StoreStaticShadow((uintptr)pCar + 1, SHADOWTYPE_DARK, tex, &CarPos, + frontx * (fVehicleHeight / 2), + fronty * (fVehicleHeight / 2), + sidex * (fVehicleWidth / 2), + sidey * (fVehicleWidth / 2), + nColorStrength, nColorStrength, nColorStrength, nColorStrength, + 4.5f, 1.0f, 0.0f, false, 0.1f); + } + else + { + StoreStaticShadow((uintptr)pCar + 1, SHADOWTYPE_DARK, tex, &CarPos, + frontx * (fVehicleHeight / 2), + fronty * (fVehicleHeight / 2), + -sidex * (fVehicleWidth / 2), + -sidey * (fVehicleWidth / 2), + nColorStrength, nColorStrength, nColorStrength, nColorStrength, + 4.5f, 1.0f, 0.0f, false, 0.1f); + } + } + } + } +} + +void +CShadows::StoreCarLightShadow(CVehicle *pCar, int32 nID, RwTexture *pTexture, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fMaxViewAngle) +{ + ASSERT(pCar != nil); + ASSERT(pPosn != nil); + + float fDistToCamSqr = (*pPosn - TheCamera.GetPosition()).MagnitudeSqr2D(); + + bool bSpecialCam = TheCamera.Cams[TheCamera.ActiveCam].Mode == CCam::MODE_TOPDOWN + || TheCamera.Cams[TheCamera.ActiveCam].Mode == CCam::MODE_TOP_DOWN_PED + || CCutsceneMgr::IsRunning(); + + float fDrawDistance = 27.0f; + + if ( fDistToCamSqr < SQR(fDrawDistance) || bSpecialCam ) + { + if ( bSpecialCam || DotProduct2D(CVector2D(TheCamera.CamFrontXNorm, TheCamera.CamFrontYNorm), + *pPosn - TheCamera.GetPosition() ) > -fMaxViewAngle ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + if ( fDistToCam >= (fDrawDistance*(1.0f-(1.0f/4.0f))) && !bSpecialCam ) // BUG? must be 3.0? + { + //fDistToCam == 0 -> 3 + //fDistToCam == fDrawDistance -> 0 + float fMult = 1.0f - (3.0f / fDrawDistance) * (fDistToCam - (fDrawDistance*(1.0f-(1.0f/3.0f))) ); + + nRed = (int32)(nRed * fMult); + nGreen = (int32)(nGreen * fMult); + nBlue = (int32)(nBlue * fMult); + } + + if ( pCar->m_vecMoveSpeed.Magnitude() * CTimeStep::ms_fTimeStep > 0.4f || pCar == FindPlayerVehicle() ) + { + StoreShadowToBeRendered(SHADOWTYPE_ADDITIVE, pTexture, pPosn, + fFrontX, fFrontY, + fSideX, fSideY, + 128, nRed, nGreen, nBlue, + 6.0f, false, 1.0f, + nil, pCar == FindPlayerVehicle()); + } + else + { + StoreStaticShadow((uintptr)pCar + nID, SHADOWTYPE_ADDITIVE, pTexture, pPosn, + fFrontX, fFrontY, + fSideX, fSideY, + 128, nRed, nGreen, nBlue, + 6.0f, 1.0f, 27.0f, + false, 0.4f); + } + } + } +} + + +#ifdef USE_CUTSCENE_SHADOW_FOR_PED +void +StoreShadowForCutscenePedObject(CPed *pObject, float fDisplacementX, float fDisplacementY, + float fFrontX, float fFrontY, float fSideX, float fSideY) +{ + ASSERT(pObject != nil); + + CCutsceneShadow *shadow = pObject->m_pRTShadow; + + if ( shadow == nil ) + return; + + if ( !shadow->IsInitialized() ) + return; + + CVector pos = pObject->GetPosition(); + + float fDistToCamSqr = (pos - TheCamera.GetPosition()).MagnitudeSqr2D(); + + float fDrawDistance = 100.0f; + + if ( fDistToCamSqr < SQR(fDrawDistance*0.5f) ) + { + if ( (CEntity*)pObject == FindPlayerPed() || TheCamera.IsSphereVisible(pos, 2.0f) ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + float fMult = 1.0f - (4.0f / fDrawDistance) * (fDistToCam - (fDrawDistance*(1.0f/4.0f))); + int32 nColorStrength; + + if ( fDistToCam >= (fDrawDistance*(1.0f/4.0f)) ) + nColorStrength = (int32)(CTimeCycle::GetShadowStrength() * fMult); + else + nColorStrength = CTimeCycle::GetShadowStrength(); + + int32 color = int32(nColorStrength * 0.8f); + + pos.x += fDisplacementX; + pos.y += fDisplacementY; + + RwTexture *texture = shadow->GetShadowRwTexture(); + ASSERT(texture); + RwRGBA bordercolor = {0, 0, 0, 0}; + shadow->DrawBorderAroundTexture(bordercolor); + + pos.x -= fDisplacementX; + pos.y -= fDisplacementY; + + float angleY = 360.0f - RADTODEG((CClock::ms_nGameClockMinutes + +60*CClock::ms_nGameClockHours+CClock::ms_nGameClockSeconds/60)*(HALFPI/360.0f)); + + RwFrame *frame = shadow->SetLightProperties(angleY, -85.0f, true); + ASSERT(frame); + CVector at(RwFrameGetMatrix(frame)->at); + at.Normalise(); + + CShadows::CalcPedShadowValues(at, &fFrontX, &fFrontY, &fSideX, &fSideY, &fDisplacementX, &fDisplacementY); + + pos.x -= 2.5f * fDisplacementX; + pos.y -= 2.5f * fDisplacementY; + + CShadows::StoreShadowToBeRendered(SHADOWTYPE_INVCOLOR, texture, &pos, + fFrontX * 1.5f, fFrontY * 1.5f, + fSideX * 1.5f, fSideY * 1.5f, + color, color, color, color, + 4.0f, false, 1.0f, shadow, false); + } + } +} +#endif + + +void +CShadows::StoreShadowForPed(CPed *pPed, float fDisplacementX, float fDisplacementY, + float fFrontX, float fFrontY, float fSideX, float fSideY) +{ + ASSERT(pPed != nil); + + if ( pPed->bIsVisible ) + { + if ( !(pPed->bInVehicle && pPed->m_nPedState != PED_DRAG_FROM_CAR && pPed->m_nPedState != PED_EXIT_CAR) ) + { + if ( CTimeCycle::GetShadowStrength() != 0 ) + { +#ifdef USE_CUTSCENE_SHADOW_FOR_PED + CCutsceneShadow *pShadow = pPed->m_pRTShadow; + + if (pShadow) + { + if (pShadow->IsInitialized()) + pShadow->UpdateForCutscene(); + ::StoreShadowForCutscenePedObject(pPed, fDisplacementX, fDisplacementY, fFrontX, fFrontY, fSideX, fSideY); + } + + return; +#endif + + StoreShadowForPedObject(pPed, + fDisplacementX, fDisplacementY, + fFrontX, fFrontY, + fSideX, fSideY); + } + } + } +} + +void +CShadows::StoreShadowForPedObject(CEntity *pPedObject, float fDisplacementX, float fDisplacementY, + float fFrontX, float fFrontY, float fSideX, float fSideY) +{ + ASSERT(pPedObject != nil); + + CVector PedPos = pPedObject->GetPosition(); + + float fDistToCamSqr = (PedPos - TheCamera.GetPosition()).MagnitudeSqr2D(); + + float fDrawDistance = 26.0f; + + if ( fDistToCamSqr < SQR(fDrawDistance*0.5f) ) + { + if ( pPedObject == FindPlayerPed() || TheCamera.IsSphereVisible(PedPos, 2.0f) != false ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + //fDistToCam == 0 -> 2 + //fDistToCam == fDrawDistance -> -2 + float fMult = 1.0f - (4.0f / fDrawDistance) * (fDistToCam - (fDrawDistance*(1.0f/4.0f))); // BUG ? negative + int32 nColorStrength; + + if ( fDistToCam >= (fDrawDistance*(1.0f/4.0f)) ) // BUG ? negative + nColorStrength = (int32)(CTimeCycle::GetShadowStrength() * fMult); + else + nColorStrength = CTimeCycle::GetShadowStrength(); + + PedPos.x += fDisplacementX; + PedPos.y += fDisplacementY; + + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowPedTex, &PedPos, + fFrontX, fFrontY, + fSideX, fSideY, + nColorStrength, nColorStrength, nColorStrength, nColorStrength, + 4.0f, false, 1.0f, nil, pPedObject == FindPlayerPed()); + } + } +} + + +void +CShadows::StoreShadowForCutscenePedObject(CCutsceneObject *pObject, float fDisplacementX, float fDisplacementY, + float fFrontX, float fFrontY, float fSideX, float fSideY) +{ +#ifdef DISABLE_CUTSCENE_SHADOWS + return; +#endif + ASSERT(pObject != nil); + + CCutsceneShadow *shadow = pObject->m_pShadow; + + if ( shadow == nil ) + return; + + if ( !shadow->IsInitialized() ) + return; + + CVector pos = pObject->GetPosition(); + + float fDistToCamSqr = (pos - TheCamera.GetPosition()).MagnitudeSqr2D(); + + float fDrawDistance = 100.0f; + + if ( fDistToCamSqr < SQR(fDrawDistance*0.5f) ) + { + if ( (CEntity*)pObject == FindPlayerPed() || TheCamera.IsSphereVisible(pos, 2.0f) ) + { + float fDistToCam = Sqrt(fDistToCamSqr); + + float fMult = 1.0f - (4.0f / fDrawDistance) * (fDistToCam - (fDrawDistance*(1.0f/4.0f))); + int32 nColorStrength; + + if ( fDistToCam >= (fDrawDistance*(1.0f/4.0f)) ) + nColorStrength = (int32)(CTimeCycle::GetShadowStrength() * fMult); + else + nColorStrength = CTimeCycle::GetShadowStrength(); + + int32 color = int32(nColorStrength * 0.8f); + + pos.x += fDisplacementX; + pos.y += fDisplacementY; + + RwTexture *texture = shadow->GetShadowRwTexture(); + ASSERT(texture); + RwRGBA bordercolor = {0, 0, 0, 0}; + shadow->DrawBorderAroundTexture(bordercolor); + + pos.x -= fDisplacementX; + pos.y -= fDisplacementY; + + float angleY = 360.0f - RADTODEG((CClock::ms_nGameClockMinutes+60* + CClock::ms_nGameClockHours+CClock::ms_nGameClockSeconds/60)*(HALFPI/360.0f)); + + RwFrame *frame = shadow->SetLightProperties(angleY, -85.0f, true); + ASSERT(frame); + CVector at(RwFrameGetMatrix(frame)->at); + at.Normalise(); + + CalcPedShadowValues(at, &fFrontX, &fFrontY, &fSideX, &fSideY, &fDisplacementX, &fDisplacementY); + + pos.x -= 2.5f * fDisplacementX; + pos.y -= 2.5f * fDisplacementY; + + StoreShadowToBeRendered(SHADOWTYPE_INVCOLOR, texture, &pos, + fFrontX * 1.5f, fFrontY * 1.5f, + fSideX * 1.5f, fSideY * 1.5f, + color, color, color, color, + 4.0f, false, 1.0f, shadow, false); + } + } +} + +void +CShadows::StoreShadowForTree(CEntity *pTree) +{ + ASSERT(pTree != nil); +} + + +void +CShadows::StoreShadowForPole(CEntity *pPole, float fOffsetX, float fOffsetY, float fOffsetZ, + float fPoleHeight, float fPoleWidth, uint32 nID) +{ + ASSERT(pPole != nil); + + if ( CTimeCycle::GetShadowStrength() != 0 ) + { + if ( pPole->GetUp().z < 0.5f ) + return; + + CVector PolePos = pPole->GetPosition(); + + PolePos.x += fOffsetX * pPole->GetRight().x + fOffsetY * pPole->GetForward().x; + PolePos.y += fOffsetX * pPole->GetRight().y + fOffsetY * pPole->GetForward().y; + PolePos.z += fOffsetZ; + + PolePos.x += -CTimeCycle::GetSunDirection().x * (fPoleHeight / 2); + PolePos.y += -CTimeCycle::GetSunDirection().y * (fPoleHeight / 2); + + StoreStaticShadow((uintptr)pPole + nID + _TODOCONST(51), SHADOWTYPE_DARK, gpPostShadowTex, &PolePos, + -CTimeCycle::GetSunDirection().x * (fPoleHeight / 2), + -CTimeCycle::GetSunDirection().y * (fPoleHeight / 2), + CTimeCycle::GetShadowSideX() * fPoleWidth, + CTimeCycle::GetShadowSideY() * fPoleWidth, + 2 * (int32)((pPole->GetUp().z - 0.5f) * CTimeCycle::GetShadowStrength() * 2.0f) / 3, + 0, 0, 0, + 15.0f, 1.0f, 40.0f, false, 0.0f); + } +} + +void +CShadows::SetRenderModeForShadowType(uint8 ShadowType) +{ + switch ( ShadowType ) + { + case SHADOWTYPE_DARK: + { + RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDSRCALPHA); + RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDINVSRCALPHA); + break; + } + + case SHADOWTYPE_ADDITIVE: + { + RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDONE); + RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDONE); + break; + } + + case SHADOWTYPE_INVCOLOR: + { + RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDZERO); + RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDINVSRCCOLOR); + break; + } + } +} + + +void +CShadows::RenderStoredShadows(void) +{ + PUSH_RENDERGROUP("CShadows::RenderStoredShadows"); + + RenderBuffer::ClearRenderBuffer(); + + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATETEXTUREADDRESS, (void *)rwTEXTUREADDRESSCLAMP); + + + for ( int32 i = 0; i < ShadowsStoredToBeRendered; i++ ) + asShadowsStored[i].m_nFlags.bRendered = false; + + + for ( int32 i = 0; i < ShadowsStoredToBeRendered; i++ ) + { + if ( !asShadowsStored[i].m_nFlags.bRendered ) + { + SetRenderModeForShadowType(asShadowsStored[i].m_ShadowType); + + ASSERT(asShadowsStored[i].m_pTexture != nil); + + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(asShadowsStored[i].m_pTexture)); + + for ( int32 j = i; j < ShadowsStoredToBeRendered; j++ ) + { + if ( asShadowsStored[i].m_ShadowType == asShadowsStored[j].m_ShadowType + && asShadowsStored[i].m_pTexture == asShadowsStored[j].m_pTexture ) + { + float fWidth = Abs(asShadowsStored[j].m_vecFront.x) + Abs(asShadowsStored[j].m_vecSide.x); + float fHeight = Abs(asShadowsStored[j].m_vecFront.y) + Abs(asShadowsStored[j].m_vecSide.y); + + CVector shadowPos = asShadowsStored[j].m_vecPos; + + float fStartX = shadowPos.x - fWidth; + float fEndX = shadowPos.x + fWidth; + float fStartY = shadowPos.y - fHeight; + float fEndY = shadowPos.y + fHeight; + + int32 nStartX = Max(CWorld::GetSectorIndexX(fStartX), 0); + int32 nStartY = Max(CWorld::GetSectorIndexY(fStartY), 0); + int32 nEndX = Min(CWorld::GetSectorIndexX(fEndX), NUMSECTORS_X-1); + int32 nEndY = Min(CWorld::GetSectorIndexY(fEndY), NUMSECTORS_Y-1); + + CWorld::AdvanceCurrentScanCode(); + + for ( int32 y = nStartY; y <= nEndY; y++ ) + { + for ( int32 x = nStartX; x <= nEndX; x++ ) + { + CSector *pCurSector = CWorld::GetSector(x, y); + + ASSERT(pCurSector != nil); + + if ( asShadowsStored[j].m_pCutsceneShadow ) + { + CastCutsceneShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil, + asShadowsStored[j].m_pCutsceneShadow); + + CastCutsceneShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil, + asShadowsStored[j].m_pCutsceneShadow); + } + else if ( asShadowsStored[j].m_nFlags.bDrawOnBuildings ) + { + CastPlayerShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil); + + CastPlayerShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil); + } + else + { + CastShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil); + + CastShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + asShadowsStored[j].m_vecFront.x, + asShadowsStored[j].m_vecFront.y, + asShadowsStored[j].m_vecSide.x, + asShadowsStored[j].m_vecSide.y, + asShadowsStored[j].m_nIntensity, + asShadowsStored[j].m_nRed, + asShadowsStored[j].m_nGreen, + asShadowsStored[j].m_nBlue, + asShadowsStored[j].m_fZDistance, + asShadowsStored[j].m_fScale, + nil); + } + } + } + + asShadowsStored[j].m_nFlags.bRendered = true; + } + } + + RenderBuffer::RenderStuffInBuffer(); + } + } + + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)FALSE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATETEXTUREADDRESS, (void *)rwTEXTUREADDRESSWRAP); + + ShadowsStoredToBeRendered = 0; + + POP_RENDERGROUP(); +} + + +void +CShadows::RenderStaticShadows(void) +{ + PUSH_RENDERGROUP("CShadows::RenderStaticShadows"); + + RenderBuffer::ClearRenderBuffer(); + + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)FALSE); + RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)TRUE); + RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void *)FALSE); + + SetAlphaTest(0); + + for ( int32 i = 0; i < MAX_STATICSHADOWS; i++ ) + aStaticShadows[i].m_bRendered = false; + + for ( int32 i = 0; i < MAX_STATICSHADOWS; i++ ) + { + if ( aStaticShadows[i].m_pPolyBunch && !aStaticShadows[i].m_bRendered ) + { + SetRenderModeForShadowType(aStaticShadows[i].m_nType); + RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(aStaticShadows[i].m_pTexture)); + + // optimization trick, render all shadows with same renderstate and texture + for ( int32 j = i; j < MAX_STATICSHADOWS; j++ ) + { + if ( aStaticShadows[j].m_pPolyBunch != nil + && aStaticShadows[i].m_nType == aStaticShadows[j].m_nType + && aStaticShadows[i].m_pTexture == aStaticShadows[j].m_pTexture ) + { + for ( CPolyBunch *bunch = aStaticShadows[j].m_pPolyBunch; bunch != nil; bunch = bunch->m_pNext ) + { + RwImVertexIndex *pIndexes; + RwIm3DVertex *pVerts; + + RenderBuffer::StartStoring(3 * (bunch->m_nNumVerts - 2), bunch->m_nNumVerts, &pIndexes, &pVerts); + + ASSERT(pIndexes != nil); + ASSERT(pVerts != nil); + + for ( int32 k = 0; k < bunch->m_nNumVerts; k++ ) + { + RwIm3DVertexSetRGBA(&pVerts[k], + aStaticShadows[j].m_nRed, + aStaticShadows[j].m_nGreen, + aStaticShadows[j].m_nBlue, + (int32)(aStaticShadows[j].m_nIntensity * (1.0f - CWeather::Foggyness * 0.5f))); + + RwIm3DVertexSetU (&pVerts[k], bunch->m_aU[k] / 200.0f); + RwIm3DVertexSetV (&pVerts[k], bunch->m_aV[k] / 200.0f); + RwIm3DVertexSetPos(&pVerts[k], bunch->m_aVerts[k].x, bunch->m_aVerts[k].y, bunch->m_aVerts[k].z + 0.03f); + } + + for ( int32 k = 0; k < 3 * (bunch->m_nNumVerts - 2); k++ ) + pIndexes[k] = ShadowIndexList[k]; + + RenderBuffer::StopStoring(); + } + + aStaticShadows[j].m_bRendered = true; + } + } + + RenderBuffer::RenderStuffInBuffer(); + } + } + RestoreAlphaTest(); + + RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)FALSE); + RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void *)TRUE); + + POP_RENDERGROUP(); +} + + +void +CShadows::GeneratePolysForStaticShadow(int16 nStaticShadowID) +{ + float fWidth = Abs(aStaticShadows[nStaticShadowID].m_vecFront.x) + Abs(aStaticShadows[nStaticShadowID].m_vecSide.x); + float fHeight = Abs(aStaticShadows[nStaticShadowID].m_vecFront.y) + Abs(aStaticShadows[nStaticShadowID].m_vecSide.y); + + CVector shadowPos = aStaticShadows[nStaticShadowID].m_vecPosn; + + float fStartX = shadowPos.x - fWidth; + float fEndX = shadowPos.x + fWidth; + float fStartY = shadowPos.y - fHeight; + float fEndY = shadowPos.y + fHeight; + + int32 nStartX = Max(CWorld::GetSectorIndexX(fStartX), 0); + int32 nStartY = Max(CWorld::GetSectorIndexY(fStartY), 0); + int32 nEndX = Min(CWorld::GetSectorIndexX(fEndX), NUMSECTORS_X-1); + int32 nEndY = Min(CWorld::GetSectorIndexY(fEndY), NUMSECTORS_Y-1); + + CWorld::AdvanceCurrentScanCode(); + + for ( int32 y = nStartY; y <= nEndY; y++ ) + { + for ( int32 x = nStartX; x <= nEndX; x++ ) + { + CSector *pCurSector = CWorld::GetSector(x, y); + + ASSERT(pCurSector != nil); + + CastShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + aStaticShadows[nStaticShadowID].m_vecFront.x, + aStaticShadows[nStaticShadowID].m_vecFront.y, + aStaticShadows[nStaticShadowID].m_vecSide.x, + aStaticShadows[nStaticShadowID].m_vecSide.y, + 0, 0, 0, 0, + aStaticShadows[nStaticShadowID].m_fZDistance, + aStaticShadows[nStaticShadowID].m_fScale, + &aStaticShadows[nStaticShadowID].m_pPolyBunch); + + CastShadowSectorList(pCurSector->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], + fStartX, fStartY, + fEndX, fEndY, + &shadowPos, + aStaticShadows[nStaticShadowID].m_vecFront.x, + aStaticShadows[nStaticShadowID].m_vecFront.y, + aStaticShadows[nStaticShadowID].m_vecSide.x, + aStaticShadows[nStaticShadowID].m_vecSide.y, + 0, 0, 0, 0, + aStaticShadows[nStaticShadowID].m_fZDistance, + aStaticShadows[nStaticShadowID].m_fScale, + &aStaticShadows[nStaticShadowID].m_pPolyBunch); + } + } +} + + +void +CShadows::CastShadowSectorList(CPtrList &PtrList, float fStartX, float fStartY, float fEndX, float fEndY, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, CPolyBunch **ppPolyBunch) +{ + ASSERT(pPosn != nil); + + CPtrNode *pNode = PtrList.first; + + CRect Bound; + + while ( pNode != nil ) + { + CEntity *pEntity = (CEntity *)pNode->item; + uint16 nScanCode = pEntity->m_scanCode; + pNode = pNode->next; + + ASSERT( pEntity != nil ); + + if ( nScanCode != CWorld::GetCurrentScanCode() ) + { + pEntity->m_scanCode = CWorld::GetCurrentScanCode(); + + if ( pEntity->bUsesCollision && !pEntity->bDontCastShadowsOn) + { + if ( IsAreaVisible(pEntity->m_area) ) + { + Bound = pEntity->GetBoundRect(); + + if ( fStartX < Bound.right + && fEndX > Bound.left + && fStartY < Bound.bottom + && fEndY > Bound.top ) + { + if ( pPosn->z - fZDistance < pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.max.z + && pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.min.z < pPosn->z ) + { + CastShadowEntityXY(pEntity, + fStartX, fStartY, + fEndX, fEndY, + pPosn, + fFrontX, fFrontY, + fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + fZDistance, fScale, ppPolyBunch); + } + } + } + } + } + } +} + + +void +CShadows::CastPlayerShadowSectorList(CPtrList &PtrList, float fStartX, float fStartY, float fEndX, float fEndY, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, CPolyBunch **ppPolyBunch) +{ + ASSERT(pPosn != nil); + + CPtrNode *pNode = PtrList.first; + + CRect Bound; + + while ( pNode != nil ) + { + CEntity *pEntity = (CEntity *)pNode->item; + uint16 nScanCode = pEntity->m_scanCode; + pNode = pNode->next; + + ASSERT( pEntity != nil ); + + if ( nScanCode != CWorld::GetCurrentScanCode() ) + { + pEntity->m_scanCode = CWorld::GetCurrentScanCode(); + + if ( pEntity->bUsesCollision ) + { + if ( IsAreaVisible(pEntity->m_area) ) + { + Bound = pEntity->GetBoundRect(); + + if ( fStartX < Bound.right + && fEndX > Bound.left + && fStartY < Bound.bottom + && fEndY > Bound.top ) + { + if ( pPosn->z - fZDistance < pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.max.z + && pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.min.z < pPosn->z ) + { + CastShadowEntityXY(pEntity, + fStartX, fStartY, + fEndX, fEndY, + pPosn, + fFrontX, fFrontY, + fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + fZDistance, fScale, ppPolyBunch); + } + } + } + } + } + } +} + + +void +CShadows::CastCutsceneShadowSectorList(CPtrList &PtrList, float fStartX, float fStartY, float fEndX, float fEndY, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, CPolyBunch **ppPolyBunch, CCutsceneShadow *pShadow) +{ + ASSERT(pPosn != nil); + ASSERT(pShadow != nil); + + CPtrNode *pNode = PtrList.first; + + CRect Bound; + + while ( pNode != nil ) + { + CEntity *pEntity = (CEntity *)pNode->item; + uint16 nScanCode = pEntity->m_scanCode; + pNode = pNode->next; + + ASSERT( pEntity != nil ); + + if ( nScanCode != CWorld::GetCurrentScanCode() ) + { + pEntity->m_scanCode = CWorld::GetCurrentScanCode(); + + if ( pEntity->bUsesCollision ) + { + if ( IsAreaVisible(pEntity->m_area) ) + { + Bound = pEntity->GetBoundRect(); + + if ( fStartX < Bound.right + && fEndX > Bound.left + && fStartY < Bound.bottom + && fEndY > Bound.top ) + { + if ( pPosn->z - fZDistance < pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.max.z + && pEntity->GetPosition().z + pEntity->GetColModel()->boundingBox.min.z < pPosn->z ) + { + CastShadowEntityXYZ(pEntity, pPosn, + fFrontX, fFrontY, + fSideX, fSideY, + nIntensity, nRed, nGreen, nBlue, + fZDistance, fScale, ppPolyBunch, pShadow); + } + } + } + } + } + } +} + +void +CShadows::CastShadowEntityXY(CEntity *pEntity, float fStartX, float fStartY, float fEndX, float fEndY, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, CPolyBunch **ppPolyBunch) +{ + ASSERT(pEntity != nil); + ASSERT(pPosn != nil); + + static CVector List [20]; + static CVector Texture[20]; + static CVector Points [4]; + + CColModel *pCol = pEntity->GetColModel(); + ASSERT(pCol != nil); + +#ifndef MASTER + if ( gbPrintShite ) + printf("MI:%d Triangles:%d Coors:%f %f BBoxXY:%f %f\n", + pEntity->GetModelIndex(), + pCol->numTriangles, + pEntity->GetPosition().x, + pEntity->GetPosition().y, + pCol->boundingBox.GetSize().x, + pCol->boundingBox.GetSize().y); +#endif + + CCollision::CalculateTrianglePlanes(pCol); + + float fFrontRight = DotProduct2D(CVector2D(fFrontX, fFrontY), pEntity->GetRight()); + float fFrontForward = DotProduct2D(CVector2D(fFrontX, fFrontY), pEntity->GetForward()); + float fSideRight = DotProduct2D(CVector2D(fSideX, fSideY), pEntity->GetRight()); + float fSideForward = DotProduct2D(CVector2D(fSideX, fSideY), pEntity->GetForward()); + float fLengthRight = DotProduct2D(*pPosn - pEntity->GetPosition(), pEntity->GetRight()); + float fLengthForward = DotProduct2D(*pPosn - pEntity->GetPosition(), pEntity->GetForward()); + + Points[0].x = (fLengthRight + fFrontRight ) - fSideRight; + Points[0].y = (fLengthForward + fFrontForward) - fSideForward; + + Points[1].x = fSideRight + (fLengthRight + fFrontRight); + Points[1].y = fSideForward + (fLengthForward + fFrontForward); + + Points[2].x = fSideRight + (fLengthRight - fFrontRight); + Points[2].y = fSideForward + (fLengthForward - fFrontForward); + + Points[3].x = (fLengthRight - fFrontRight) - fSideRight; + Points[3].y = (fLengthForward - fFrontForward) - fSideForward; + + float MinX = Min(Min(Points[0].x, Points[1].x), Min(Points[2].x, Points[3].x)); + float MaxX = Max(Max(Points[0].x, Points[1].x), Max(Points[2].x, Points[3].x)); + + float MinY = Min(Min(Points[0].y, Points[1].y), Min(Points[2].y, Points[3].y)); + float MaxY = Max(Max(Points[0].y, Points[1].y), Max(Points[2].y, Points[3].y)); + + float MaxZ = pPosn->z - pEntity->GetPosition().z; + float MinZ = MaxZ - fZDistance; + + for ( int32 i = 0; i < pCol->numTriangles; i++ ) + { + CColTrianglePlane *pColTriPlanes = pCol->trianglePlanes; + ASSERT(pColTriPlanes != nil); + + CVector normal; + pColTriPlanes[i].GetNormal(normal); + if ( Abs(normal.z) > 0.1f ) + { + CColTriangle *pColTri = pCol->triangles; + ASSERT(pColTri != nil); + + CVector PointA, PointB, PointC; + + pCol->GetTrianglePoint(PointA, pColTri[i].a); + pCol->GetTrianglePoint(PointB, pColTri[i].b); + pCol->GetTrianglePoint(PointC, pColTri[i].c); + + if ( (PointA.x > MinX || PointB.x > MinX || PointC.x > MinX) + && (PointA.x < MaxX || PointB.x < MaxX || PointC.x < MaxX) + && (PointA.y > MinY || PointB.y > MinY || PointC.y > MinY) + && (PointA.y < MaxY || PointB.y < MaxY || PointC.y < MaxY) + && (PointA.z < MaxZ || PointB.z < MaxZ || PointC.z < MaxZ) + && (PointA.z > MinZ || PointB.z > MinZ || PointC.z > MinZ) ) + + { + List[0].x = Points[0].x; + List[0].y = Points[0].y; + + List[1].x = Points[1].x; + List[1].y = Points[1].y; + + List[2].x = Points[2].x; + List[2].y = Points[2].y; + + List[3].x = Points[3].x; + List[3].y = Points[3].y; + + Texture[0].x = 0.0f; + Texture[0].y = 0.0f; + + Texture[1].x = 1.0f; + Texture[1].y = 0.0f; + + Texture[2].x = 1.0f; + Texture[2].y = 1.0f; + + Texture[3].x = 0.0f; + Texture[3].y = 1.0f; + + + CVector2D start; + CVector2D dist; + + int32 numVerts1 = 0; + int16 vertType1 = 0; + { + for ( int32 j = 0; j < 4; j++ ) + { + start = PointA; + dist = PointB - PointA; + + int32 in = j; + + float cp = CrossProduct2D(CVector2D(List[in]) - start, dist); + + if ( cp > 0.0f ) + { + switch ( vertType1 ) + { + case 0: + { + int32 out = numVerts1++ + 10; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 1: + { + int32 out = numVerts1++ + 10; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 2: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out1 = numVerts1++ + 10; + int32 out2 = numVerts1++ + 10; + + Texture[out1].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out1].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out1].x = Compl*List[in-1].x + Scale*List[in].x; + List[out1].y = Compl*List[in-1].y + Scale*List[in].y; + + Texture[out2].x = Texture[in].x; + Texture[out2].y = Texture[in].y; + List[out2].x = List[in].x; + List[out2].y = List[in].y; + + break; + } + } + + vertType1 = 1; + } + else + { + switch ( vertType1 ) + { + case 1: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out = numVerts1++ + 10; + + Texture[out].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out].x = Compl*List[in-1].x + Scale*List[in].x; + List[out].y = Compl*List[in-1].y + Scale*List[in].y; + + break; + } + } + + vertType1 = 2; + } + } + + float cp1 = CrossProduct2D(CVector2D(List[0]) - start, dist); + if ( cp1 > 0.0f && vertType1 == 2 || cp1 <= 0.0f && vertType1 == 1 ) + { + float cp2 = CrossProduct2D(CVector2D(List[3]) - start, dist); + + float Scale = Abs(cp2) / (Abs(cp2) + Abs(cp1)); + float Compl = 1.0f - Scale; + + int32 out = numVerts1++ + 10; + + Texture[out].x = Compl*Texture[3].x + Scale*Texture[0].x; + Texture[out].y = Compl*Texture[3].y + Scale*Texture[0].y; + List[out].x = Compl*List[3].x + Scale*List[0].x; + List[out].y = Compl*List[3].y + Scale*List[0].y; + } + } + + int32 numVerts2 = 0; + int16 vertType2 = 0; + { + for ( int32 j = 0; j < numVerts1; j++ ) + { + start = PointB; + dist = PointC - PointB; + + int32 in = j + 10; + float cp = CrossProduct2D(CVector2D(List[in]) - start, dist); + + if ( cp > 0.0f ) + { + switch ( vertType2 ) + { + case 0: + { + int32 out = numVerts2++; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 1: + { + int32 out = numVerts2++; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 2: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out1 = numVerts2++; + int32 out2 = numVerts2++; + + Texture[out1].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out1].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out1].x = Compl*List[in-1].x + Scale*List[in].x; + List[out1].y = Compl*List[in-1].y + Scale*List[in].y; + + Texture[out2].x = Texture[in].x; + Texture[out2].y = Texture[in].y; + List[out2].x = List[in].x; + List[out2].y = List[in].y; + + break; + } + } + + vertType2 = 1; + } + else + { + switch ( vertType2 ) + { + case 1: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out = numVerts2++; + + Texture[out].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out].x = Compl*List[in-1].x + Scale*List[in].x; + List[out].y = Compl*List[in-1].y + Scale*List[in].y; + + break; + } + } + + vertType2 = 2; + } + } + + float cp1 = CrossProduct2D(CVector2D(List[10]) - start, dist); + if ( cp1 > 0.0f && vertType2 == 2 || cp1 <= 0.0f && vertType2 == 1 ) + { + int32 in = numVerts1 + 10; + + float cp2 = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(cp2) / (Abs(cp2) + Abs(cp1)); + float Compl = 1.0f - Scale; + + int32 out = numVerts2++; + + Texture[out].x = Compl*Texture[in-1].x + Scale*Texture[10].x; + Texture[out].y = Compl*Texture[in-1].y + Scale*Texture[10].y; + List[out].x = Compl*List[in-1].x + Scale*List[10].x; + List[out].y = Compl*List[in-1].y + Scale*List[10].y; + } + } + + int32 numVerts3 = 0; + int16 vertType3 = 0; + { + for ( int32 j = 0; j < numVerts2; j++ ) + { + start = PointC; + dist = PointA - PointC; + + int32 in = j; + float cp = CrossProduct2D(CVector2D(List[in]) - start, dist); + + if ( cp > 0.0f ) + { + switch ( vertType3 ) + { + case 0: + { + int32 out = numVerts3++ + 10; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 1: + { + int32 out = numVerts3++ + 10; + + Texture[out].x = Texture[in].x; + Texture[out].y = Texture[in].y; + List[out].x = List[in].x; + List[out].y = List[in].y; + + break; + } + + case 2: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out1 = numVerts3++ + 10; + int32 out2 = numVerts3++ + 10; + + Texture[out1].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out1].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out1].x = Compl*List[in-1].x + Scale*List[in].x; + List[out1].y = Compl*List[in-1].y + Scale*List[in].y; + + Texture[out2].x = Texture[in].x; + Texture[out2].y = Texture[in].y; + List[out2].x = List[in].x; + List[out2].y = List[in].y; + + break; + } + } + + vertType3 = 1; + } + else + { + switch ( vertType3 ) + { + case 1: + { + float prevcp = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(prevcp) / (Abs(prevcp) + Abs(cp)); + float Compl = 1.0f - Scale; + + int32 out = numVerts3++ + 10; + + Texture[out].x = Compl*Texture[in-1].x + Scale*Texture[in].x; + Texture[out].y = Compl*Texture[in-1].y + Scale*Texture[in].y; + List[out].x = Compl*List[in-1].x + Scale*List[in].x; + List[out].y = Compl*List[in-1].y + Scale*List[in].y; + + break; + } + } + + vertType3 = 2; + } + } + + float cp1 = CrossProduct2D(CVector2D(List[0]) - start, dist); + if ( cp1 > 0.0f && vertType3 == 2 || cp1 <= 0.0f && vertType3 == 1 ) + { + int32 in = numVerts2; + + float cp2 = CrossProduct2D(CVector2D(List[in-1]) - start, dist); + + float Scale = Abs(cp2) / (Abs(cp2) + Abs(cp1)); + float Compl = 1.0f - Scale; + + int32 out = numVerts3++ + 10; + + Texture[out].x = Compl*Texture[in-1].x + Scale*Texture[0].x; + Texture[out].y = Compl*Texture[in-1].y + Scale*Texture[0].y; + List[out].x = Compl*List[in-1].x + Scale*List[0].x; + List[out].y = Compl*List[in-1].y + Scale*List[0].y; + } + } + + if ( numVerts3 >= 3 ) + { + CVector norm; + + pColTriPlanes[i].GetNormal(norm); + + float dot = DotProduct(norm, PointA); + + for ( int32 j = 0; j < numVerts3; j++ ) + { + int32 idx = j + 10; + + List[idx].z = -(DotProduct2D(norm, List[idx]) - dot) / norm.z; + } + + for ( int32 j = 0; j < numVerts3; j++ ) + { + int32 idx = j + 10; + + CVector p = List[idx]; + + List[idx].x = p.y * pEntity->GetForward().x + p.x * pEntity->GetRight().x + pEntity->GetPosition().x; + List[idx].y = p.y * pEntity->GetForward().y + p.x * pEntity->GetRight().y + pEntity->GetPosition().y; + List[idx].z = p.z + pEntity->GetPosition().z; + } + + + if ( ppPolyBunch != nil ) + { + if ( pEmptyBunchList != nil ) + { + CPolyBunch *pBunch = pEmptyBunchList; + ASSERT(pBunch != nil); + pEmptyBunchList = pEmptyBunchList->m_pNext; + pBunch->m_pNext = *ppPolyBunch; + *ppPolyBunch = pBunch; + + pBunch->m_nNumVerts = numVerts3; + + for ( int32 j = 0; j < numVerts3; j++ ) + { + int32 in = j + 10; + + pBunch->m_aVerts[j] = List[in]; + + pBunch->m_aU[j] = (int32)(Texture[in].x * 200.0f); + pBunch->m_aV[j] = (int32)(Texture[in].y * 200.0f); + } + } + } + else + { + RwImVertexIndex *pIndexes; + RwIm3DVertex *pVerts; + + RenderBuffer::StartStoring(3 * (numVerts3 - 2), numVerts3, &pIndexes, &pVerts); + + ASSERT(pIndexes != nil); + ASSERT(pVerts != nil); + + + for ( int32 j = 0; j < numVerts3; j++ ) + { + int32 in = j + 10; + + RwIm3DVertexSetRGBA(&pVerts[j], nRed, nGreen, nBlue, nIntensity); + RwIm3DVertexSetU (&pVerts[j], Texture[in].x*fScale); + RwIm3DVertexSetV (&pVerts[j], Texture[in].y*fScale); + RwIm3DVertexSetPos (&pVerts[j], List[in].x, List[in].y, List[in].z + 0.03f); + } + + for ( int32 j = 0; j < 3*(numVerts3 - 2); j++ ) + pIndexes[j] = ShadowIndexList[j]; + + RenderBuffer::StopStoring(); + } + } + } + } + } +} + + +typedef struct _ProjectionParam +{ + RwV3d at; /* Camera at vector */ + RwMatrix invMatrix; /* Transforms to shadow camera space */ + RwUInt8 shadowValue; /* Shadow opacity value */ + RwBool fade; /* Shadow fades with distance */ + RwUInt32 numIm3DBatch; /* Number of buffer flushes */ + RwMatrix entityMatrix; +} +ProjectionParam; + +RwV3d *ShadowRenderTriangleCB(RwV3d *points, RwV3d *normal, ProjectionParam *param) +{ + RwV3d vIn[3]; + RwV3d vShad[3]; + + RwV3dTransformPoints(&vIn[0], points, 3, ¶m->entityMatrix); + + /* + * Reject backfacing triangles + * This reject the triangles parallel to the light as well + */ + if (RwV3dDotProduct(normal, ¶m->at) > 0.0f) + { + return points; + } + + RwV3dTransformPoints(&vShad[0], &vIn[0], 3, ¶m->invMatrix); + + /* + * Reject triangles behind the camera (z test). Note that any world + * triangles lying in front of the camera but before the object may + * have a shadow applied. To minimize such artefacts, this test could + * be modified to use a specific value rather than 0.0f, perhaps + * to reject triangles behind the center plane of the object. + * + * Reject triangles that lie entirely outside the shadow texture range + * (x,y test). + */ + if (((vShad[0].z < 0.0f) && (vShad[1].z < 0.0f) + && (vShad[2].z < 0.0f)) || ((vShad[0].x < 0.0f) + && (vShad[1].x < 0.0f) + && (vShad[2].x < 0.0f)) + || ((vShad[0].x > 1.0f) && (vShad[1].x > 1.0f) + && (vShad[2].x > 1.0f)) || ((vShad[0].y < 0.0f) + && (vShad[1].y < 0.0f) + && (vShad[2].y < 0.0f)) + || ((vShad[0].y > 1.0f) && (vShad[1].y > 1.0f) + && (vShad[2].y > 1.0f))) + { + return points; + } + + RwIm3DVertex *imv = nil; + RwImVertexIndex *imi = nil; + + RenderBuffer::StartStoring(3, 3, &imi, &imv); + + /* + * Set the immediate mode vertices for this triangle + */ + + RwIm3DVertexSetPos(imv, vIn[0].x, vIn[0].y, vIn[0].z); + RwIm3DVertexSetPos(imv + 1, vIn[1].x, vIn[1].y, vIn[1].z); + RwIm3DVertexSetPos(imv + 2, vIn[2].x, vIn[2].y, vIn[2].z); + + RwIm3DVertexSetU(imv, vShad[0].x); + RwIm3DVertexSetU(imv + 1, vShad[1].x); + RwIm3DVertexSetU(imv + 2, vShad[2].x); + + RwIm3DVertexSetV(imv, vShad[0].y); + RwIm3DVertexSetV(imv + 1, vShad[1].y); + RwIm3DVertexSetV(imv + 2, vShad[2].y); + + /* + * Do we fade out the shadow with distance? + */ + if (param->fade) + { + RwReal fadeVal; + RwUInt8 val; + + fadeVal = 1.0f - vShad[0].z * vShad[0].z; + val = + (fadeVal < + 0.0f) ? 0 : (RwUInt8) (fadeVal * param->shadowValue); + RwIm3DVertexSetRGBA(imv, val, val, val, val); + + fadeVal = 1.0f - vShad[1].z * vShad[1].z; + val = + (fadeVal < + 0.0f) ? 0 : (RwUInt8) (fadeVal * param->shadowValue); + RwIm3DVertexSetRGBA(imv + 1, val, val, val, val); + + fadeVal = 1.0f - vShad[2].z * vShad[2].z; + val = + (fadeVal < + 0.0f) ? 0 : (RwUInt8) (fadeVal * param->shadowValue); + RwIm3DVertexSetRGBA(imv + 2, val, val, val, val); + } + else + { + RwUInt8 val = param->shadowValue; + + RwIm3DVertexSetRGBA(imv, val, val, val, val); + RwIm3DVertexSetRGBA(imv + 1, val, val, val, val); + RwIm3DVertexSetRGBA(imv + 2, val, val, val, val); + } + + /* + * Update buffer position + */ + imi[0] = 0; + imi[1] = 1; + imi[2] = 2; + + RenderBuffer::StopStoring(); + + return points; +} + +void +CShadows::CastShadowEntityXYZ(CEntity *pEntity, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity, uint8 nRed, uint8 nGreen, uint8 nBlue, + float fZDistance, float fScale, CPolyBunch **ppPolyBunch, CCutsceneShadow *pShadow) +{ + ASSERT(pEntity != nil); + ASSERT(pPosn != nil); + + if ( pShadow ) + { + ProjectionParam proj; + RwV3d scl; + RwV3d tr; + + CShadowCamera *shadow = pShadow->GetShadowCamera(); + CColModel *collision = pEntity->GetColModel(); + + CCollision::CalculateTrianglePlanes(collision); + + RwMatrix mat; + mat = *RwFrameGetMatrix(RwCameraGetFrame(shadow->GetRwCamera())); + + RwV3d Xaxis = { 1.0f, 0.0f, 0.0f }; + + RwMatrixRotate(&mat, &Xaxis, -45.0f, rwCOMBINEPRECONCAT); + + proj.at = mat.at; + pEntity->GetMatrix().CopyToRwMatrix(&proj.entityMatrix); + + RwMatrixInvert(&proj.invMatrix, &mat); + RwReal radius = RwCameraGetViewWindow(shadow->GetRwCamera())->x; + + scl.x = scl.y = -0.5f / (radius*0.9f); + scl.z = 1.0f / (radius*0.8f); + RwMatrixScale(&proj.invMatrix, &scl, rwCOMBINEPOSTCONCAT); + + tr.x = 0.5f; + tr.y = tr.z = 0.0f; + RwMatrixTranslate(&proj.invMatrix, &tr, rwCOMBINEPOSTCONCAT); + + proj.shadowValue = nIntensity; + proj.fade = 0; + + RwMatrix matrix; + pEntity->GetMatrix().CopyToRwMatrix(&matrix); + RwMatrix invMatrix; + RwMatrixInvert(&invMatrix, &matrix); + + + CVector center(pShadow->GetBaseSphere().center); + center += CVector(-fFrontX * 1.1f, -fFrontY * 1.1f, -0.5f); + + CSphere sphere; + sphere.Set(2.0f, center); + + RwV3d point; + RwV3dTransformPoints(&point, ¢er, 1, &invMatrix); + + CColSphere colSphere; + colSphere.Set(2.0f, CVector(point), 0, 0); + + int i = 0; + while ( i < collision->numTriangles ) + { + CVector p[3]; + + collision->GetTrianglePoint(p[0], collision->triangles[i].a); + collision->GetTrianglePoint(p[1], collision->triangles[i].b); + collision->GetTrianglePoint(p[2], collision->triangles[i].c); + + if ( CCollision::TestSphereTriangle(colSphere, collision->vertices, collision->triangles[i], collision->trianglePlanes[i]) ) + { + CVector n(collision->trianglePlanes[i].GetNormalX(), collision->trianglePlanes[i].GetNormalY(), collision->trianglePlanes[i].GetNormalZ()); + CVector offset = n * 0.028f; + + p[0] += offset; + p[1] += offset; + p[2] += offset; + + if ( !ShadowRenderTriangleCB(p, &n, &proj) ) + break; + } + i++; + } + } +} + +void +CShadows::UpdateStaticShadows(void) +{ + for ( int32 i = 0; i < MAX_STATICSHADOWS; i++ ) + { + if ( aStaticShadows[i].m_pPolyBunch != nil && !aStaticShadows[i].m_bJustCreated + && (!aStaticShadows[i].m_bTemp || CTimer::GetTimeInMilliseconds() > aStaticShadows[i].m_nTimeCreated + 5000) ) + { + aStaticShadows[i].Free(); + } + + aStaticShadows[i].m_bJustCreated = false; + } +} + +void +CShadows::UpdatePermanentShadows(void) +{ + for ( int32 i = 0; i < MAX_PERMAMENTSHADOWS; i++ ) + { + if ( aPermanentShadows[i].m_nType != SHADOWTYPE_NONE ) + { + uint32 timePassed = CTimer::GetTimeInMilliseconds() - aPermanentShadows[i].m_nTimeCreated; + + if ( timePassed >= aPermanentShadows[i].m_nLifeTime ) + aPermanentShadows[i].m_nType = SHADOWTYPE_NONE; + else + { + bool bOk; + if ( timePassed >= (aPermanentShadows[i].m_nLifeTime * 3 / 4) ) + { + // timePassed == 0 -> 4 + // timePassed == aPermanentShadows[i].m_nLifeTime -> 0 + float fMult = 1.0f - float(timePassed - (aPermanentShadows[i].m_nLifeTime * 3 / 4)) / (aPermanentShadows[i].m_nLifeTime / 4); + + bOk = StoreStaticShadow((uintptr)&aPermanentShadows[i], + aPermanentShadows[i].m_nType, + aPermanentShadows[i].m_pTexture, + &aPermanentShadows[i].m_vecPos, + aPermanentShadows[i].m_vecFront.x, + aPermanentShadows[i].m_vecFront.y, + aPermanentShadows[i].m_vecSide.x, + aPermanentShadows[i].m_vecSide.y, + (int32)(aPermanentShadows[i].m_nIntensity * fMult), + (int32)(aPermanentShadows[i].m_nRed * fMult), + (int32)(aPermanentShadows[i].m_nGreen * fMult), + (int32)(aPermanentShadows[i].m_nBlue * fMult), + aPermanentShadows[i].m_fZDistance, + 1.0f, 40.0f, false, 0.0f); + } + else + { + bOk = StoreStaticShadow((uintptr)&aPermanentShadows[i], + aPermanentShadows[i].m_nType, + aPermanentShadows[i].m_pTexture, + &aPermanentShadows[i].m_vecPos, + aPermanentShadows[i].m_vecFront.x, + aPermanentShadows[i].m_vecFront.y, + aPermanentShadows[i].m_vecSide.x, + aPermanentShadows[i].m_vecSide.y, + aPermanentShadows[i].m_nIntensity, + aPermanentShadows[i].m_nRed, + aPermanentShadows[i].m_nGreen, + aPermanentShadows[i].m_nBlue, + aPermanentShadows[i].m_fZDistance, + 1.0f, 40.0f, false, 0.0f); + } + + if ( !bOk ) + aPermanentShadows[i].m_nType = SHADOWTYPE_NONE; + } + } + } +} + +void +CStaticShadow::Free(void) +{ + if ( m_pPolyBunch != nil ) + { + CPolyBunch *pFree = CShadows::pEmptyBunchList; + CShadows::pEmptyBunchList = m_pPolyBunch; + + CPolyBunch *pUsed = m_pPolyBunch; + while (pUsed->m_pNext != nil) + pUsed = pUsed->m_pNext; + + pUsed->m_pNext = pFree; + } + + m_pPolyBunch = nil; + + m_nId = 0; +} + +void +CShadows::CalcPedShadowValues(CVector vecLightDir, + float *pfFrontX, float *pfFrontY, + float *pfSideX, float *pfSideY, + float *pfDisplacementX, float *pfDisplacementY) +{ + ASSERT(pfFrontX != nil); + ASSERT(pfFrontY != nil); + ASSERT(pfSideX != nil); + ASSERT(pfSideY != nil); + ASSERT(pfDisplacementX != nil); + ASSERT(pfDisplacementY != nil); + + *pfFrontX = -vecLightDir.x; + *pfFrontY = -vecLightDir.y; + + float fDist = Sqrt(*pfFrontY * *pfFrontY + *pfFrontX * *pfFrontX); + float fMult = (fDist + 1.0f) / fDist; + + *pfFrontX *= fMult; + *pfFrontY *= fMult; + + *pfSideX = -vecLightDir.y / fDist; + *pfSideY = vecLightDir.x / fDist; + + *pfDisplacementX = -vecLightDir.x; + *pfDisplacementY = -vecLightDir.y; + + *pfFrontX /= 2; + *pfFrontY /= 2; + + *pfSideX /= 2; + *pfSideY /= 2; + + *pfDisplacementX /= 2; + *pfDisplacementY /= 2; + +} + + +void +CShadows::RenderExtraPlayerShadows(void) +{ +#ifdef FIX_BUGS + if (CReplay::IsPlayingBack()) + return; +#endif + if ( CTimeCycle::GetLightShadowStrength() != 0 ) + { + CVehicle *pCar = FindPlayerVehicle(); + if ( pCar == nil ) + ; // R* cut it out for playerped + else + { + if ( pCar->GetModelIndex() != MI_RCBANDIT + && pCar->GetVehicleAppearance() != VEHICLE_APPEARANCE_BIKE + && !pCar->IsBike() && !pCar->IsPlane() && !pCar->IsBoat() ) + { + for ( int32 i = 0; i < CPointLights::NumLights; i++ ) + { + if ( CPointLights::aLights[i].type == CPointLights::LIGHT_POINT + && CPointLights::aLights[i].castExtraShadows + &&(0.0f != CPointLights::aLights[i].red + || 0.0f != CPointLights::aLights[i].green + || 0.0f != CPointLights::aLights[i].blue) ) + { + CVector vecLight = CPointLights::aLights[i].coors - FindPlayerCoors(); + float fLightDist = vecLight.Magnitude(); + float fRadius = CPointLights::aLights[i].radius; + + if ( fLightDist < fRadius ) + { + // fLightDist == 0 -> 2.0f + // fLightDist == fRadius -> 0.0f + float fMult = (1.0f - (2.0f * fLightDist - fRadius) / fRadius); + + int32 nColorStrength; + if ( fLightDist < fRadius*0.5f ) + nColorStrength = (5*CTimeCycle::GetLightShadowStrength()/8); + else + nColorStrength = int32((5*CTimeCycle::GetLightShadowStrength()/8) * fMult); + + float fInv = 1.0f / fLightDist; + vecLight.x *= fInv; + vecLight.y *= fInv; + vecLight.z *= fInv; + + CVector shadowPos = pCar->GetPosition(); + + shadowPos.x -= vecLight.x * 1.2f; + shadowPos.y -= vecLight.y * 1.2f; + + float fVehicleWidth = pCar->GetColModel()->boundingBox.GetSize().x; + float fVehicleHeight = pCar->GetColModel()->boundingBox.GetSize().y; + + shadowPos.x -= ((fVehicleHeight/2) - pCar->GetColModel()->boundingBox.max.y) + * pCar->GetForward().x; + + shadowPos.y -= ((fVehicleHeight/2) - pCar->GetColModel()->boundingBox.max.y) + * pCar->GetForward().y; + + if ( pCar->GetUp().z > 0.0f ) + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowCarTex, &shadowPos, + pCar->GetForward().x * (fVehicleHeight/2), + pCar->GetForward().y * (fVehicleHeight/2), + pCar->GetRight().x * (fVehicleWidth/3), + pCar->GetRight().y * (fVehicleWidth/3), + nColorStrength, 0, 0, 0, + 4.5f, false, 1.0f, nil, false); + } + else + { + StoreShadowToBeRendered(SHADOWTYPE_DARK, gpShadowCarTex, &shadowPos, + pCar->GetForward().x * (fVehicleHeight/2), + pCar->GetForward().y * (fVehicleHeight/2), + -pCar->GetRight().x * (fVehicleWidth/2), + -pCar->GetRight().y * (fVehicleWidth/2), + nColorStrength, 0, 0, 0, + 4.5f, false, 1.0f, nil, false); + } + } + } + } + } + } + } +} + +void +CShadows::TidyUpShadows(void) +{ + for ( int32 i = 0; i < MAX_PERMAMENTSHADOWS; i++ ) + aPermanentShadows[i].m_nType = SHADOWTYPE_NONE; +} + +void +CShadows::RenderIndicatorShadow(uint32 nID, uint8 ShadowType, RwTexture *pTexture, CVector *pPosn, + float fFrontX, float fFrontY, float fSideX, float fSideY, + int16 nIntensity) +{ + ASSERT(pPosn != nil); + + C3dMarkers::PlaceMarkerSet(nID, MARKERTYPE_CYLINDER, *pPosn, Max(fFrontX, -fSideY), + SPHERE_MARKER_R, SPHERE_MARKER_G, SPHERE_MARKER_B, + SPHERE_MARKER_A, SPHERE_MARKER_PULSE_PERIOD, 0.2f, 0); +} |