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reversed CPhysical::ProcessShiftSectorList

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This commit is contained in:
aap 2019-05-17 14:08:18 +02:00
parent e9e72523d5
commit 5b8f20b08e
10 changed files with 235 additions and 7 deletions
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1
src/Collision.h
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@ -22,6 +22,7 @@ struct CColBox
uint8 piece;
void Set(const CVector &min, const CVector &max, uint8 surf, uint8 piece);
CVector GetSize(void) { return max - min; }
};
struct CColLine

5
src/World.cpp
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@ -9,6 +9,11 @@ CSector (*CWorld::ms_aSectors)[NUMSECTORS_X] = (CSector (*)[NUMSECTORS_Y])0x6656
uint16 &CWorld::ms_nCurrentScanCode = *(uint16*)0x95CC64;
bool &CWorld::bNoMoreCollisionTorque = *(bool*)0x95CDCC;
CEntity *&CWorld::pIgnoreEntity = *(CEntity**)0x8F6494;
bool &CWorld::bSecondShift = *(bool*)0x95CD54;
bool &CWorld::bForceProcessControl = *(bool*)0x95CD6C;
bool &CWorld::bProcessCutsceneOnly = *(bool*)0x95CD8B;
void
CWorld::ClearScanCodes(void)

7
src/World.h
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@ -32,6 +32,8 @@ public:
};
static_assert(sizeof(CSector) == 0x28, "CSector: error");
class CEntity;
class CWorld
{
static CPtrList *ms_bigBuildingsList; // [4];
@ -40,7 +42,12 @@ class CWorld
static uint16 &ms_nCurrentScanCode;
public:
static CEntity *&pIgnoreEntity;
static bool &bNoMoreCollisionTorque;
static bool &bSecondShift;
static bool &bForceProcessControl;
static bool &bProcessCutsceneOnly;
static CSector *GetSector(int x, int y) { return &ms_aSectors[y][x]; }
static CPtrList &GetBigBuildingList(eLevelName i) { return ms_bigBuildingsList[i]; }

4
src/entities/Object.h
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@ -8,6 +8,8 @@ enum {
TEMP_OBJECT = 3,
};
class CVehicle;
class CObject : public CPhysical
{
public:
@ -39,7 +41,7 @@ public:
int8 field_186;
int8 field_187;
CEntity *m_pCurSurface;
CEntity *field_18C;
CVehicle *m_pCollidingVehicle;
int8 m_colour1, m_colour2;
static void *operator new(size_t);

6
src/entities/Ped.h
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@ -24,7 +24,10 @@ public:
bool bInVehicle;
uint8 stuff4[23];
int32 m_nPedType;
uint8 stuff5[528];
uint8 stuff5[28];
CVehicle *m_pCollidingVehicle;
uint8 stuff6[496];
bool IsPlayer(void) { return m_nPedType == 0 || m_nPedType== 1 || m_nPedType == 2 || m_nPedType == 3; }
};
@ -32,4 +35,5 @@ static_assert(offsetof(CPed, m_nPedState) == 0x224, "CPed: error");
static_assert(offsetof(CPed, m_pCurSurface) == 0x2FC, "CPed: error");
static_assert(offsetof(CPed, m_pMyVehicle) == 0x310, "CPed: error");
static_assert(offsetof(CPed, m_nPedType) == 0x32C, "CPed: error");
static_assert(offsetof(CPed, m_pCollidingVehicle) == 0x34C, "CPed: error");
static_assert(sizeof(CPed) == 0x540, "CPed: error");

175
src/entities/Physical.cpp
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@ -787,6 +787,17 @@ CPhysical::ApplyFriction(float adhesiveLimit, CColPoint &colpoint)
}
// ProcessCollision calls
// CheckCollision
// CheckCollision_SimpleCar
// CheckCollision calls
// ProcessCollisionSectorList
// CheckCollision_SimpleCar
// ProcessCollisionSectorList_SimpleCar
// ProcessShift calls
// ProcessCollisionSectorList
// ProcessShiftSectorList
void
CPhysical::AddCollisionRecord(CEntity *ent)
{
@ -839,6 +850,168 @@ CPhysical::GetHasCollidedWith(CEntity *ent)
return false;
}
bool
CPhysical::ProcessShiftSectorList(CPtrList *lists)
{
int i, j;
CPtrList *list;
CPtrNode *node;
CPhysical *A, *B;
CObject *Bobj;
bool canshift;
CVector center;
float radius;
int numCollisions;
int mostColliding;
CColPoint colpoints[32];
CVector shift = { 0.0f, 0.0f, 0.0f };
bool doShift = false;
CEntity *boat = nil;
bool skipShift;
A = this;
A->GetBoundCentre(center);
radius = A->GetBoundRadius();
for(i = 0; i <= ENTITYLIST_PEDS_OVERLAP; i++){
list = &lists[i];
for(node = list->first; node; node = node->next){
B = (CPhysical*)node->item;
Bobj = (CObject*)B;
skipShift = false;
if(B->IsBuilding() ||
B->IsObject() && B->bInfiniteMass)
canshift = true;
else
canshift = A->IsPed() &&
B->IsObject() && B->bInfiniteMass && !Bobj->bHasBeenDamaged;
if(B == A ||
B->m_scanCode == CWorld::GetCurrentScanCode() ||
!B->bUsesCollision ||
(A->bHasHitWall && !canshift) ||
!B->GetIsTouching(center, radius))
continue;
// This could perhaps be done a bit nicer
if(B->IsBuilding())
skipShift = false;
else if(IsTrafficLight(A->GetModelIndex()) &&
(B->IsVehicle() || B->IsPed()) &&
A->GetUp().z < 0.66f)
skipShift = true;
else if((A->IsVehicle() || A->IsPed()) &&
B->GetUp().z < 0.66f &&
IsTrafficLight(B->GetModelIndex()))
skipShift = true;
else if(A->IsObject() && B->IsVehicle()){
CObject *Aobj = (CObject*)A;
if(Aobj->ObjectCreatedBy != TEMP_OBJECT &&
!Aobj->bHasBeenDamaged &&
Aobj->bIsStatic){
if(Aobj->m_pCollidingVehicle == B)
Aobj->m_pCollidingVehicle = nil;
}else if(Aobj->m_pCollidingVehicle != B){
CMatrix inv;
CVector size = CModelInfo::GetModelInfo(A->GetModelIndex())->GetColModel()->boundingBox.GetSize();
size = A->GetMatrix() * size;
if(size.z < B->GetPosition().z ||
(Invert(B->GetMatrix(), inv) * size).z < 0.0f){
skipShift = true;
Aobj->m_pCollidingVehicle = (CVehicle*)B;
}
}
}else if(B->IsObject() && A->IsVehicle()){
CObject *Bobj = (CObject*)B;
if(Bobj->ObjectCreatedBy != TEMP_OBJECT &&
!Bobj->bHasBeenDamaged &&
Bobj->bIsStatic){
if(Bobj->m_pCollidingVehicle == A)
Bobj->m_pCollidingVehicle = nil;
}else if(Bobj->m_pCollidingVehicle != A){
CMatrix inv;
CVector size = CModelInfo::GetModelInfo(B->GetModelIndex())->GetColModel()->boundingBox.GetSize();
size = B->GetMatrix() * size;
if(size.z < A->GetPosition().z ||
(Invert(A->GetMatrix(), inv) * size).z < 0.0f){
skipShift = true;
Bobj->m_pCollidingVehicle = (CVehicle*)A;
}
}
}else if(IsBodyPart(A->GetModelIndex()) && B->IsPed())
skipShift = true;
else if(A->IsPed() && IsBodyPart(B->GetModelIndex()))
skipShift = true;
else if(A->IsPed() && ((CPed*)A)->m_pCollidingVehicle == B ||
B->IsPed() && ((CPed*)B)->m_pCollidingVehicle == A ||
A->GetModelIndex() == MI_RCBANDIT && B->IsVehicle() ||
B->GetModelIndex() == MI_RCBANDIT && (A->IsPed() || A->IsVehicle()))
skipShift = true;
if(skipShift)
continue;
B->m_scanCode = CWorld::GetCurrentScanCode();
numCollisions = A->ProcessEntityCollision(B, colpoints);
if(numCollisions <= 0)
continue;
mostColliding = 0;
for(j = 1; j < numCollisions; j++)
if(colpoints[j].depth > colpoints[mostColliding].depth)
mostColliding = j;
if(CWorld::bSecondShift)
for(j = 0; j < numCollisions; j++)
shift += colpoints[j].normal * colpoints[j].depth * 1.5f/numCollisions;
else
for(j = 0; j < numCollisions; j++)
shift += colpoints[j].normal * colpoints[j].depth * 1.2f/numCollisions;
if(A->IsVehicle() && B->IsVehicle()){
CVector dir = A->GetPosition() - B->GetPosition();
dir.Normalise();
if(dir.z < 0.0f && dir.z < A->GetForward().z && dir.z < A->GetRight().z)
dir.z = min(0.0f, min(A->GetForward().z, A->GetRight().z));
shift += dir * colpoints[mostColliding].depth * 0.5f;
}else if(A->IsPed() && B->IsVehicle() && ((CVehicle*)B)->IsBoat()){
CVector dir = colpoints[mostColliding].normal;
float f = min(fabs(dir.z), 0.9f);
dir.z = 0.0f;
dir.Normalise();
shift += dir * colpoints[mostColliding].depth / (1.0f - f);
boat = B;
}else if(B->IsPed() && A->IsVehicle() && ((CVehicle*)A)->IsBoat()){
CVector dir = colpoints[mostColliding].normal * -1.0f;
float f = min(fabs(dir.z), 0.9f);
dir.z = 0.0f;
dir.Normalise();
B->GetPosition() += dir * colpoints[mostColliding].depth / (1.0f - f);
// BUG? how can that ever happen? A is a Ped
if(B->IsVehicle())
B->ProcessEntityCollision(A, colpoints);
}else{
if(CWorld::bSecondShift)
shift += colpoints[mostColliding].normal * colpoints[mostColliding].depth * 0.4f;
else
shift += colpoints[mostColliding].normal * colpoints[mostColliding].depth * 0.2f;
}
doShift = true;
}
}
if(!doShift)
return false;
GetPosition() += shift;
if(boat)
ProcessEntityCollision(boat, colpoints);
return true;
}
void
CPhysical::ProcessControl(void)
{
@ -897,6 +1070,8 @@ STARTPATCHES
InjectHook(0x4970C0, &CPhysical::AddCollisionRecord_Treadable, PATCH_JUMP);
InjectHook(0x497240, &CPhysical::GetHasCollidedWith, PATCH_JUMP);
InjectHook(0x49DA10, &CPhysical::ProcessShiftSectorList, PATCH_JUMP);
#define F3 float, float, float
InjectHook(0x495B10, &CPhysical::ApplyMoveSpeed, PATCH_JUMP);
InjectHook(0x497280, &CPhysical::ApplyTurnSpeed, PATCH_JUMP);

4
src/entities/Physical.h
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@ -77,6 +77,8 @@ public:
CRect GetBoundRect(void);
void ProcessControl(void);
virtual int32 ProcessEntityCollision(CEntity *ent, CColPoint *point);
void RemoveAndAdd(void);
void AddToMovingList(void);
void RemoveFromMovingList(void);
@ -128,6 +130,8 @@ public:
void AddCollisionRecord_Treadable(CEntity *ent);
bool GetHasCollidedWith(CEntity *ent);
bool ProcessShiftSectorList(CPtrList *ptrlists);
// to make patching virtual functions possible
void Add_(void) { CPhysical::Add(); }
void Remove_(void) { CPhysical::Remove(); }

6
src/entities/Vehicle.h
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@ -16,6 +16,12 @@ public:
CEntity *m_pCurSurface;
uint8 stuff3[160];
int32 m_vehType;
bool IsCar(void) { return m_vehType == VEHICLE_TYPE_CAR; }
bool IsBoat(void) { return m_vehType == VEHICLE_TYPE_BOAT; }
bool IsTrain(void) { return m_vehType == VEHICLE_TYPE_TRAIN; }
bool IsHeli(void) { return m_vehType == VEHICLE_TYPE_HELI; }
bool IsPlane(void) { return m_vehType == VEHICLE_TYPE_PLANE; }
};
static_assert(sizeof(CVehicle) == 0x288, "CVehicle: error");
static_assert(offsetof(CVehicle, m_pCurSurface) == 0x1E0, "CVehicle: error");

26
src/modelinfo/ModelIndices.h
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@ -205,6 +205,16 @@ enum
MI_RHINO = 122,
MI_COACH = 127,
MI_RCBANDIT = 131,
MI_CAR_DOOR = 190,
MI_CAR_BUMPER,
MI_CAR_PANEL,
MI_CAR_BONNET,
MI_CAR_BOOT,
MI_CAR_WEEL,
MI_BODYPARTA,
MI_BODYPARTB,
};
void InitModelIndices(void);
@ -222,3 +232,19 @@ IsGlass(int16 id)
id == MI_GLASS7 ||
id == MI_GLASS8;
}
inline bool
IsTrafficLight(int16 id)
{
return id == MI_TRAFFICLIGHTS ||
id == MI_SINGLESTREETLIGHTS1 ||
id == MI_SINGLESTREETLIGHTS2 ||
id == MI_SINGLESTREETLIGHTS3 ||
id == MI_DOUBLESTREETLIGHTS;
}
inline bool
IsBodyPart(int16 id)
{
return id == MI_BODYPARTA || id == MI_BODYPARTB;
}

8
src/render/Renderer.cpp
View File

@ -195,7 +195,7 @@ CRenderer::RenderEverythingBarRoads(void)
if(e->IsVehicle() ||
e->IsPed() && CVisibilityPlugins::GetClumpAlpha((RpClump*)e->m_rwObject) != 255){
if(e->IsVehicle() && ((CVehicle*)e)->m_vehType == VEHICLE_TYPE_BOAT){
if(e->IsVehicle() && ((CVehicle*)e)->IsBoat()){
dist = ms_vecCameraPosition - e->GetPosition();
if(!CVisibilityPlugins::InsertEntityIntoSortedList(e, dist.Magnitude())){
printf("Ran out of space in alpha entity list");
@ -221,7 +221,7 @@ CRenderer::RenderVehiclesButNotBoats(void)
node != &gSortedVehiclesAndPeds.head;
node = node->prev){
CVehicle *v = (CVehicle*)node->item.ent;
if(v->IsVehicle() && v->m_vehType == VEHICLE_TYPE_BOAT) // BUG: missing in III
if(v->IsVehicle() && v->IsBoat()) // BUG: IsVehicle missing in III
continue;
RenderOneNonRoad(v);
}
@ -236,9 +236,7 @@ CRenderer::RenderBoats(void)
node != &gSortedVehiclesAndPeds.head;
node = node->prev){
CVehicle *v = (CVehicle*)node->item.ent;
if(!v->IsVehicle()) // BUG: missing in III
continue;
if(v->m_vehType == VEHICLE_TYPE_BOAT)
if(v->IsVehicle() && v->IsBoat()) // BUG: IsVehicle missing in III
RenderOneNonRoad(v);
}
}