#include "common.h"
#include "templates.h"
#include "Entity.h"
#include "ModelInfo.h"
#include "Lights.h"
#include "RwHelper.h"
#include "Renderer.h"
#include "Camera.h"
#include "VisibilityPlugins.h"
#include "World.h"
//--MIAMI: file done
#define FADE_DISTANCE 20.0f
CLinkList<CVisibilityPlugins::AlphaObjectInfo> CVisibilityPlugins::m_alphaList;
CLinkList<CVisibilityPlugins::AlphaObjectInfo> CVisibilityPlugins::m_alphaBoatAtomicList;
CLinkList<CVisibilityPlugins::AlphaObjectInfo> CVisibilityPlugins::m_alphaEntityList;
CLinkList<CVisibilityPlugins::AlphaObjectInfo> CVisibilityPlugins::m_alphaUnderwaterEntityList;
int32 CVisibilityPlugins::ms_atomicPluginOffset = -1;
int32 CVisibilityPlugins::ms_framePluginOffset = -1;
int32 CVisibilityPlugins::ms_clumpPluginOffset = -1;
RwCamera *CVisibilityPlugins::ms_pCamera;
RwV3d *CVisibilityPlugins::ms_pCameraPosn;
float CVisibilityPlugins::ms_cullCompsDist;
float CVisibilityPlugins::ms_vehicleLod0Dist;
float CVisibilityPlugins::ms_vehicleLod1Dist;
float CVisibilityPlugins::ms_vehicleFadeDist;
float CVisibilityPlugins::ms_bigVehicleLod0Dist;
float CVisibilityPlugins::ms_bigVehicleLod1Dist;
float CVisibilityPlugins::ms_pedLod1Dist;
float CVisibilityPlugins::ms_pedFadeDist;
void
CVisibilityPlugins::Initialise(void)
{
m_alphaList.Init(NUMALPHALIST);
m_alphaList.head.item.sort = 0.0f;
m_alphaList.tail.item.sort = 100000000.0f;
m_alphaBoatAtomicList.Init(NUMBOATALPHALIST);
m_alphaBoatAtomicList.head.item.sort = 0.0f;
m_alphaBoatAtomicList.tail.item.sort = 100000000.0f;
#ifdef ASPECT_RATIO_SCALE
// default 150 if not enough for bigger FOVs
m_alphaEntityList.Init(NUMALPHAENTITYLIST * 3);
#else
m_alphaEntityList.Init(NUMALPHAENTITYLIST);
#endif // ASPECT_RATIO_SCALE
m_alphaEntityList.head.item.sort = 0.0f;
m_alphaEntityList.tail.item.sort = 100000000.0f;
m_alphaUnderwaterEntityList.Init(NUMALPHAUNTERWATERENTITYLIST);
m_alphaUnderwaterEntityList.head.item.sort = 0.0f;
m_alphaUnderwaterEntityList.tail.item.sort = 100000000.0f;
}
void
CVisibilityPlugins::Shutdown(void)
{
m_alphaList.Shutdown();
m_alphaBoatAtomicList.Shutdown();
m_alphaEntityList.Shutdown();
m_alphaUnderwaterEntityList.Shutdown();
}
void
CVisibilityPlugins::InitAlphaEntityList(void)
{
m_alphaEntityList.Clear();
m_alphaBoatAtomicList.Clear();
m_alphaUnderwaterEntityList.Clear();
}
bool
CVisibilityPlugins::InsertEntityIntoSortedList(CEntity *e, float dist)
{
AlphaObjectInfo item;
item.entity = e;
item.sort = dist;
if(e->bUnderwater && m_alphaUnderwaterEntityList.InsertSorted(item))
return true;
return !!m_alphaEntityList.InsertSorted(item);
}
void
CVisibilityPlugins::InitAlphaAtomicList(void)
{
m_alphaList.Clear();
}
bool
CVisibilityPlugins::InsertAtomicIntoSortedList(RpAtomic *a, float dist)
{
AlphaObjectInfo item;
item.atomic = a;
item.sort = dist;
return !!m_alphaList.InsertSorted(item);
}
bool
CVisibilityPlugins::InsertAtomicIntoBoatSortedList(RpAtomic *a, float dist)
{
AlphaObjectInfo item;
item.atomic = a;
item.sort = dist;
return !!m_alphaBoatAtomicList.InsertSorted(item);
}
void
CVisibilityPlugins::SetRenderWareCamera(RwCamera *camera)
{
ms_pCamera = camera;
ms_pCameraPosn = RwMatrixGetPos(RwFrameGetMatrix(RwCameraGetFrame(camera)));
if(TheCamera.Cams[TheCamera.ActiveCam].Mode == CCam::MODE_TOPDOWN ||
TheCamera.Cams[TheCamera.ActiveCam].Mode == CCam::MODE_TOP_DOWN_PED)
ms_cullCompsDist = 1000000.0f;
else
ms_cullCompsDist = sq(TheCamera.LODDistMultiplier * 20.0f);
ms_vehicleLod0Dist = sq(70.0f * TheCamera.GenerationDistMultiplier);
ms_vehicleLod1Dist = sq(90.0f * TheCamera.GenerationDistMultiplier);
ms_vehicleFadeDist = sq(100.0f * TheCamera.GenerationDistMultiplier);
ms_bigVehicleLod0Dist = sq(60.0f * TheCamera.GenerationDistMultiplier);
ms_bigVehicleLod1Dist = sq(150.0f * TheCamera.GenerationDistMultiplier);
ms_pedLod1Dist = sq(60.0f * TheCamera.LODDistMultiplier);
ms_pedFadeDist = sq(70.0f * TheCamera.LODDistMultiplier);
}
static float DistToCameraSq;
static float PitchToCamera;
void
CVisibilityPlugins::SetupVehicleVariables(RpClump *vehicle)
{
if (vehicle->object.type != rpCLUMP)
return;
DistToCameraSq = GetDistanceSquaredFromCamera(RpClumpGetFrame(vehicle));
RwV3d distToCam;
RwV3dSub(&distToCam, ms_pCameraPosn, &RwFrameGetMatrix(RpClumpGetFrame(vehicle))->pos);
float dist2d = Sqrt(SQR(distToCam.x) + SQR(distToCam.y));
PitchToCamera = Atan2(distToCam.z, dist2d);
}
RpMaterial*
SetAlphaCB(RpMaterial *material, void *data)
{
((RwRGBA*)RpMaterialGetColor(material))->alpha = (uint8)(uintptr)data;
return material;
}
RpMaterial*
SetTextureCB(RpMaterial *material, void *data)
{
RpMaterialSetTexture(material, (RwTexture*)data);
return material;
}
void
CVisibilityPlugins::RenderAtomicList(CLinkList<AlphaObjectInfo> &list)
{
CLink<AlphaObjectInfo> *node;
for(node = list.tail.prev; node != &list.head; node = node->prev)
AtomicDefaultRenderCallBack(node->item.atomic);
}
void
CVisibilityPlugins::RenderAlphaAtomics(void)
{
RenderAtomicList(m_alphaList);
}
void
CVisibilityPlugins::RenderBoatAlphaAtomics(void)
{
SetCullMode(rwCULLMODECULLNONE);
RenderAtomicList(m_alphaBoatAtomicList);
SetCullMode(rwCULLMODECULLBACK);
}
void
CVisibilityPlugins::RenderFadingEntities(CLinkList<AlphaObjectInfo> &list)
{
CLink<AlphaObjectInfo> *node;
CSimpleModelInfo *mi;
for(node = list.tail.prev; node != &list.head; node = node->prev){
CEntity *e = node->item.entity;
if(e->m_rwObject == nil)
continue;
mi = (CSimpleModelInfo *)CModelInfo::GetModelInfo(e->GetModelIndex());
if(mi->GetModelType() == MITYPE_SIMPLE && mi->m_noZwrite)
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, FALSE);
if(e->bDistanceFade){
DeActivateDirectional();
SetAmbientColours();
e->bImBeingRendered = true;
RenderFadingAtomic((RpAtomic*)e->m_rwObject, node->item.sort);
e->bImBeingRendered = false;
}else
CRenderer::RenderOneNonRoad(e);
if(mi->GetModelType() == MITYPE_SIMPLE && mi->m_noZwrite)
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
}
}
void
CVisibilityPlugins::RenderFadingEntities(void)
{
RenderFadingEntities(m_alphaEntityList);
RenderBoatAlphaAtomics();
}
void
CVisibilityPlugins::RenderFadingUnderwaterEntities(void)
{
RenderFadingEntities(m_alphaUnderwaterEntityList);
}
RpAtomic*
CVisibilityPlugins::RenderWheelAtomicCB(RpAtomic *atomic)
{
RpAtomic *lodatm;
float len;
CSimpleModelInfo *mi;
mi = GetAtomicModelInfo(atomic);
len = Sqrt(DistToCameraSq);
lodatm = mi->GetAtomicFromDistance(len * TheCamera.LODDistMultiplier / TheCamera.GenerationDistMultiplier);
if(lodatm){
if(RpAtomicGetGeometry(lodatm) != RpAtomicGetGeometry(atomic))
RpAtomicSetGeometry(atomic, RpAtomicGetGeometry(lodatm), rpATOMICSAMEBOUNDINGSPHERE);
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderObjNormalAtomic(RpAtomic *atomic)
{
RwMatrix *m;
RwV3d view;
float len;
m = RwFrameGetLTM(RpAtomicGetFrame(atomic));
RwV3dSub(&view, RwMatrixGetPos(m), ms_pCameraPosn);
len = RwV3dLength(&view);
if(RwV3dDotProduct(&view, RwMatrixGetUp(m)) < -0.3f*len && len > 8.0f)
return atomic;
AtomicDefaultRenderCallBack(atomic);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderAlphaAtomic(RpAtomic *atomic, int alpha)
{
RpGeometry *geo;
uint32 flags;
geo = RpAtomicGetGeometry(atomic);
flags = RpGeometryGetFlags(geo);
RpGeometrySetFlags(geo, flags | rpGEOMETRYMODULATEMATERIALCOLOR);
RpGeometryForAllMaterials(geo, SetAlphaCB, (void*)alpha);
AtomicDefaultRenderCallBack(atomic);
RpGeometryForAllMaterials(geo, SetAlphaCB, (void*)255);
RpGeometrySetFlags(geo, flags);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderWeaponCB(RpAtomic *atomic)
{
RwMatrix *m;
RwV3d view;
float maxdist, distsq;
CSimpleModelInfo *mi;
mi = GetAtomicModelInfo(atomic);
m = RwFrameGetLTM(RpAtomicGetFrame(atomic));
RwV3dSub(&view, RwMatrixGetPos(m), ms_pCameraPosn);
maxdist = mi->GetLodDistance(0);
distsq = RwV3dDotProduct(&view, &view);
if(distsq < maxdist*maxdist)
AtomicDefaultRenderCallBack(atomic);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderFadingAtomic(RpAtomic *atomic, float camdist)
{
RpAtomic *lodatm;
float fadefactor;
uint32 alpha;
CSimpleModelInfo *mi;
mi = GetAtomicModelInfo(atomic);
lodatm = mi->GetAtomicFromDistance(camdist - FADE_DISTANCE);
if(mi->m_additive)
AtomicDefaultRenderCallBack(atomic);
fadefactor = (mi->GetLargestLodDistance() - (camdist - FADE_DISTANCE))/FADE_DISTANCE;
if(fadefactor > 1.0f)
fadefactor = 1.0f;
alpha = mi->m_alpha * fadefactor;
if(alpha == 255)
AtomicDefaultRenderCallBack(atomic);
else{
RpGeometry *geo = RpAtomicGetGeometry(lodatm);
uint32 flags = RpGeometryGetFlags(geo);
RpGeometrySetFlags(geo, flags | rpGEOMETRYMODULATEMATERIALCOLOR);
RpGeometryForAllMaterials(geo, SetAlphaCB, (void*)alpha);
if(geo != RpAtomicGetGeometry(atomic))
RpAtomicSetGeometry(atomic, geo, rpATOMICSAMEBOUNDINGSPHERE); // originally 5 (mistake?)
AtomicDefaultRenderCallBack(atomic);
RpGeometryForAllMaterials(geo, SetAlphaCB, (void*)255);
RpGeometrySetFlags(geo, flags);
}
if(mi->m_additive)
RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailCB(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_vehicleLod0Dist){
flags = GetAtomicId(atomic);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f){
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(dot > 0.0f && ((flags & ATOMIC_FLAG_ANGLECULL) || 0.1f*DistToCameraSq < dot*dot))
return atomic;
}
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailAlphaCB(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_vehicleLod0Dist){
flags = GetAtomicId(atomic);
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f)
if(dot > 0.0f && ((flags & ATOMIC_FLAG_ANGLECULL) || 0.1f*DistToCameraSq < dot*dot))
return atomic;
if(flags & ATOMIC_FLAG_DRAWLAST){
// sort before clump
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq - 0.0001f))
AtomicDefaultRenderCallBack(atomic);
}else{
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq + dot))
AtomicDefaultRenderCallBack(atomic);
}
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailCB_BigVehicle(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_bigVehicleLod0Dist){
flags = GetAtomicId(atomic);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f){
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(dot > 0.0f)
return atomic;
}
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailAlphaCB_BigVehicle(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_bigVehicleLod0Dist){
flags = GetAtomicId(atomic);
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f)
if(dot > 0.0f && ((flags & ATOMIC_FLAG_ANGLECULL) || 0.1f*DistToCameraSq < dot*dot))
return atomic;
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq + dot))
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailCB_Boat(RpAtomic *atomic)
{
if(DistToCameraSq < ms_bigVehicleLod1Dist)
AtomicDefaultRenderCallBack(atomic);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleHiDetailAlphaCB_Boat(RpAtomic *atomic)
{
if(DistToCameraSq < ms_vehicleLod0Dist){
if(GetAtomicId(atomic) & ATOMIC_FLAG_DRAWLAST){
if(!InsertAtomicIntoBoatSortedList(atomic, DistToCameraSq))
AtomicDefaultRenderCallBack(atomic);
}else
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleLowDetailCB_BigVehicle(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq >= ms_bigVehicleLod0Dist &&
DistToCameraSq < ms_bigVehicleLod1Dist){
flags = GetAtomicId(atomic);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f){
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(dot > 0.0f)
return atomic;
}
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleLowDetailAlphaCB_BigVehicle(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq >= ms_bigVehicleLod0Dist &&
DistToCameraSq < ms_bigVehicleLod1Dist){
flags = GetAtomicId(atomic);
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(dot > 0.0f)
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f)
return atomic;
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq + dot))
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleReallyLowDetailCB(RpAtomic *atomic)
{
RpClump *clump;
int32 alpha;
clump = RpAtomicGetClump(atomic);
if(DistToCameraSq >= ms_vehicleLod0Dist){
alpha = GetClumpAlpha(clump);
if(alpha == 255)
AtomicDefaultRenderCallBack(atomic);
else
RenderAlphaAtomic(atomic, alpha);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleReallyLowDetailCB_BigVehicle(RpAtomic *atomic)
{
if(DistToCameraSq >= ms_bigVehicleLod1Dist)
AtomicDefaultRenderCallBack(atomic);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderTrainHiDetailCB(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_bigVehicleLod1Dist){
flags = GetAtomicId(atomic);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f){
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(dot > 0.0f && ((flags & ATOMIC_FLAG_ANGLECULL) || 0.1f*DistToCameraSq < dot*dot))
return atomic;
}
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderTrainHiDetailAlphaCB(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
uint32 flags;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_bigVehicleLod1Dist){
flags = GetAtomicId(atomic);
dot = GetDotProductWithCameraVector(RwFrameGetLTM(RpAtomicGetFrame(atomic)),
RwFrameGetLTM(clumpframe), flags);
if(DistToCameraSq > ms_cullCompsDist && (flags & ATOMIC_FLAG_NOCULL) == 0 && PitchToCamera < 0.2f)
if(dot > 0.0f && ((flags & ATOMIC_FLAG_ANGLECULL) || 0.1f*DistToCameraSq < dot*dot))
return atomic;
if(flags & ATOMIC_FLAG_DRAWLAST){
// sort before clump
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq - 0.0001f))
AtomicDefaultRenderCallBack(atomic);
}else{
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq + dot))
AtomicDefaultRenderCallBack(atomic);
}
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleRotorAlphaCB(RpAtomic *atomic)
{
RwFrame *clumpframe;
float dot;
RwV3d cam2atm;
clumpframe = RpClumpGetFrame(RpAtomicGetClump(atomic));
if(DistToCameraSq < ms_bigVehicleLod1Dist){
RwV3dSub(&cam2atm, &RwFrameGetLTM(RpAtomicGetFrame(atomic))->pos, ms_pCameraPosn);
dot = RwV3dDotProduct(&cam2atm, &RwFrameGetLTM(clumpframe)->at);
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq + dot*20.0f))
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderVehicleTailRotorAlphaCB(RpAtomic *atomic)
{
RwMatrix *clumpMat, *atmMat;
float dot;
RwV3d cam2atm;
if(DistToCameraSq < ms_bigVehicleLod0Dist){
atmMat = RwFrameGetLTM(RpAtomicGetFrame(atomic));
clumpMat = RwFrameGetLTM(RpClumpGetFrame(RpAtomicGetClump(atomic)));
RwV3dSub(&cam2atm, &atmMat->pos, ms_pCameraPosn);
dot = RwV3dDotProduct(&cam2atm, &clumpMat->up) + RwV3dDotProduct(&cam2atm, &clumpMat->right);
if(!InsertAtomicIntoSortedList(atomic, DistToCameraSq - dot))
AtomicDefaultRenderCallBack(atomic);
}
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderPlayerCB(RpAtomic *atomic)
{
if(CWorld::Players[0].m_pSkinTexture)
RpGeometryForAllMaterials(RpAtomicGetGeometry(atomic), SetTextureCB, CWorld::Players[0].m_pSkinTexture);
AtomicDefaultRenderCallBack(atomic);
return atomic;
}
RpAtomic*
CVisibilityPlugins::RenderPedCB(RpAtomic *atomic)
{
int32 alpha;
RwV3d cam2atm;
RwV3dSub(&cam2atm, &RwFrameGetLTM(RpAtomicGetFrame(atomic))->pos, ms_pCameraPosn);
if(RwV3dDotProduct(&cam2atm, &cam2atm) < ms_pedLod1Dist){
alpha = GetClumpAlpha(RpAtomicGetClump(atomic));
if(alpha == 255)
AtomicDefaultRenderCallBack(atomic);
else
RenderAlphaAtomic(atomic, alpha);
}
return atomic;
}
float
CVisibilityPlugins::GetDistanceSquaredFromCamera(RwFrame *frame)
{
RwMatrix *m;
RwV3d dist;
m = RwFrameGetLTM(frame);
RwV3dSub(&dist, RwMatrixGetPos(m), ms_pCameraPosn);
return RwV3dDotProduct(&dist, &dist);
}
float
CVisibilityPlugins::GetDotProductWithCameraVector(RwMatrix *atomicMat, RwMatrix *clumpMat, uint32 flags)
{
RwV3d dist;
float dot, dotdoor;
// Vehicle forward is the y axis (RwMatrix.up)
// Vehicle right is the x axis (RwMatrix.right)
RwV3dSub(&dist, RwMatrixGetPos(atomicMat), ms_pCameraPosn);
// forward/backward facing
if(flags & (ATOMIC_FLAG_FRONT | ATOMIC_FLAG_REAR))
dot = RwV3dDotProduct(&dist, RwMatrixGetUp(clumpMat));
// left/right facing
else if(flags & (ATOMIC_FLAG_LEFT | ATOMIC_FLAG_RIGHT))
dot = RwV3dDotProduct(&dist, RwMatrixGetRight(clumpMat));
else
dot = 0.0f;
if(flags & (ATOMIC_FLAG_LEFT | ATOMIC_FLAG_REAR))
dot = -dot;
if(flags & (ATOMIC_FLAG_REARDOOR | ATOMIC_FLAG_FRONTDOOR)){
if(flags & ATOMIC_FLAG_REARDOOR)
dotdoor = -RwV3dDotProduct(&dist, RwMatrixGetUp(clumpMat));
else if(flags & ATOMIC_FLAG_FRONTDOOR)
dotdoor = RwV3dDotProduct(&dist, RwMatrixGetUp(clumpMat));
else
dotdoor = 0.0f;
if(dot < 0.0f && dotdoor < 0.0f)
dot += dotdoor;
if(dot > 0.0f && dotdoor > 0.0f)
dot += dotdoor;
}
return dot;
}
/* These are all unused */
bool
CVisibilityPlugins::DefaultVisibilityCB(RpClump *clump)
{
return true;
}
bool
CVisibilityPlugins::FrustumSphereCB(RpClump *clump)
{
RwSphere sphere;
RwFrame *frame = RpClumpGetFrame(clump);
CClumpModelInfo *modelInfo = (CClumpModelInfo*)GetFrameHierarchyId(frame);
sphere.radius = modelInfo->GetColModel()->boundingSphere.radius;
sphere.center.x = modelInfo->GetColModel()->boundingSphere.center.x;
sphere.center.y = modelInfo->GetColModel()->boundingSphere.center.y;
sphere.center.z = modelInfo->GetColModel()->boundingSphere.center.z;
RwV3dTransformPoints(&sphere.center, &sphere.center, 1, RwFrameGetLTM(frame));
return RwCameraFrustumTestSphere(ms_pCamera, &sphere) != rwSPHEREOUTSIDE;
}
bool
CVisibilityPlugins::VehicleVisibilityCB(RpClump *clump)
{
if (GetDistanceSquaredFromCamera(RpClumpGetFrame(clump)) <= ms_vehicleLod1Dist)
return FrustumSphereCB(clump);
return false;
}
bool
CVisibilityPlugins::VehicleVisibilityCB_BigVehicle(RpClump *clump)
{
return FrustumSphereCB(clump);
}
//
// RW Plugins
//
enum
{
ID_VISIBILITYATOMIC = MAKECHUNKID(rwVENDORID_ROCKSTAR, 0x00),
ID_VISIBILITYCLUMP = MAKECHUNKID(rwVENDORID_ROCKSTAR, 0x01),
ID_VISIBILITYFRAME = MAKECHUNKID(rwVENDORID_ROCKSTAR, 0x02),
};
bool
CVisibilityPlugins::PluginAttach(void)
{
ms_atomicPluginOffset = RpAtomicRegisterPlugin(sizeof(AtomicExt),
ID_VISIBILITYATOMIC,
AtomicConstructor, AtomicDestructor, AtomicCopyConstructor);
ms_framePluginOffset = RwFrameRegisterPlugin(sizeof(FrameExt),
ID_VISIBILITYFRAME,
FrameConstructor, FrameDestructor, FrameCopyConstructor);
ms_clumpPluginOffset = RpClumpRegisterPlugin(sizeof(ClumpExt),
ID_VISIBILITYCLUMP,
ClumpConstructor, ClumpDestructor, ClumpCopyConstructor);
return ms_atomicPluginOffset != -1 && ms_clumpPluginOffset != -1;
}
#define ATOMICEXT(o) (RWPLUGINOFFSET(AtomicExt, o, ms_atomicPluginOffset))
#define FRAMEEXT(o) (RWPLUGINOFFSET(FrameExt, o, ms_framePluginOffset))
#define CLUMPEXT(o) (RWPLUGINOFFSET(ClumpExt, o, ms_clumpPluginOffset))
//
// Atomic
//
void*
CVisibilityPlugins::AtomicConstructor(void *object, int32, int32)
{
ATOMICEXT(object)->modelInfo = nil;
return object;
}
void*
CVisibilityPlugins::AtomicDestructor(void *object, int32, int32)
{
return object;
}
void*
CVisibilityPlugins::AtomicCopyConstructor(void *dst, const void *src, int32, int32)
{
*ATOMICEXT(dst) = *ATOMICEXT(src);
return dst;
}
void
CVisibilityPlugins::SetAtomicModelInfo(RpAtomic *atomic,
CSimpleModelInfo *modelInfo)
{
AtomicExt *ext = ATOMICEXT(atomic);
ext->modelInfo = modelInfo;
}
CSimpleModelInfo*
CVisibilityPlugins::GetAtomicModelInfo(RpAtomic *atomic)
{
return ATOMICEXT(atomic)->modelInfo;
}
void
CVisibilityPlugins::SetAtomicFlag(RpAtomic *atomic, int f)
{
ATOMICEXT(atomic)->flags |= f;
}
void
CVisibilityPlugins::ClearAtomicFlag(RpAtomic *atomic, int f)
{
ATOMICEXT(atomic)->flags &= ~f;
}
int
CVisibilityPlugins::GetAtomicId(RpAtomic *atomic)
{
return ATOMICEXT(atomic)->flags;
}
// This is rather useless, but whatever
void
CVisibilityPlugins::SetAtomicRenderCallback(RpAtomic *atomic, RpAtomicCallBackRender cb)
{
if(cb == nil)
cb = AtomicDefaultRenderCallBack; // not necessary
RpAtomicSetRenderCallBack(atomic, cb);
}
//
// Frame
//
void*
CVisibilityPlugins::FrameConstructor(void *object, int32, int32)
{
FRAMEEXT(object)->id = 0;
return object;
}
void*
CVisibilityPlugins::FrameDestructor(void *object, int32, int32)
{
return object;
}
void*
CVisibilityPlugins::FrameCopyConstructor(void *dst, const void *src, int32, int32)
{
*FRAMEEXT(dst) = *FRAMEEXT(src);
return dst;
}
void
CVisibilityPlugins::SetFrameHierarchyId(RwFrame *frame, int32 id)
{
FRAMEEXT(frame)->id = id;
}
int32
CVisibilityPlugins::GetFrameHierarchyId(RwFrame *frame)
{
return FRAMEEXT(frame)->id;
}
//
// Clump
//
void*
CVisibilityPlugins::ClumpConstructor(void *object, int32, int32)
{
ClumpExt *ext = CLUMPEXT(object);
ext->visibilityCB = DefaultVisibilityCB;
ext->alpha = 0xFF;
return object;
}
void*
CVisibilityPlugins::ClumpDestructor(void *object, int32, int32)
{
return object;
}
void*
CVisibilityPlugins::ClumpCopyConstructor(void *dst, const void *src, int32, int32)
{
CLUMPEXT(dst)->visibilityCB = CLUMPEXT(src)->visibilityCB;
return dst;
}
void
CVisibilityPlugins::SetClumpModelInfo(RpClump *clump, CClumpModelInfo *modelInfo)
{
CVehicleModelInfo *vmi;
SetFrameHierarchyId(RpClumpGetFrame(clump), (uintptr)modelInfo);
// Unused
switch (modelInfo->GetModelType()) {
// ignore MLO
case MITYPE_VEHICLE:
vmi = (CVehicleModelInfo*)modelInfo;
if(vmi->m_vehicleType == VEHICLE_TYPE_TRAIN ||
vmi->m_vehicleType == VEHICLE_TYPE_HELI ||
vmi->m_vehicleType == VEHICLE_TYPE_PLANE)
CLUMPEXT(clump)->visibilityCB = VehicleVisibilityCB_BigVehicle;
else
CLUMPEXT(clump)->visibilityCB = VehicleVisibilityCB;
break;
default: break;
}
}
void
CVisibilityPlugins::SetClumpAlpha(RpClump *clump, int alpha)
{
CLUMPEXT(clump)->alpha = alpha;
}
int
CVisibilityPlugins::GetClumpAlpha(RpClump *clump)
{
return CLUMPEXT(clump)->alpha;
}