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metaforce/Runtime/AutoMapper/CMapWorld.cpp

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#include "Runtime/AutoMapper/CMapWorld.hpp"
#include "Runtime/CSimplePool.hpp"
#include "Runtime/CStateManager.hpp"
#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/AutoMapper/CMapWorldInfo.hpp"
#include "Runtime/World/CWorld.hpp"
namespace urde {
CMapWorld::CMapAreaData::CMapAreaData(CAssetId areaRes, EMapAreaList list, CMapAreaData* next)
: x0_area(g_SimplePool->GetObj(SObjectTag{FOURCC('MAPA'), areaRes})), x10_list(list), x14_next(next) {}
CMapWorld::CMapWorld(CInputStream& in) {
x10_listHeads.resize(3);
in.readUint32Big();
in.readUint32Big();
u32 areaCount = in.readUint32Big();
x0_areas.reserve(areaCount);
x20_traversed.resize(areaCount);
for (u32 i = 0; i < areaCount; ++i) {
CAssetId mapaId = in.readUint32Big();
x0_areas.emplace_back(mapaId, EMapAreaList::Unloaded, x0_areas.empty() ? nullptr : &x0_areas.back());
}
x10_listHeads[2] = &x0_areas.back();
}
bool CMapWorld::IsMapAreaInBFSInfoVector(const CMapWorld::CMapAreaData* area,
const std::vector<CMapWorld::CMapAreaBFSInfo>& vec) const {
for (const CMapWorld::CMapAreaBFSInfo& bfs : vec) {
if (&x0_areas[bfs.GetAreaIndex()] == area)
return true;
}
return false;
}
void CMapWorld::SetWhichMapAreasLoaded(const IWorld& wld, int start, int count) {
ClearTraversedFlags();
std::vector<CMapAreaBFSInfo> bfsInfos;
bfsInfos.reserve(x0_areas.size());
DoBFS(wld, start, count, 9999.f, 9999.f, false, bfsInfos);
for (int i = 0; i < 2; ++i) {
for (CMapAreaData* data = x10_listHeads[i]; data;) {
CMapAreaData* nextData = data->GetNextMapAreaData();
if (!IsMapAreaInBFSInfoVector(data, bfsInfos)) {
data->Unlock();
MoveMapAreaToList(data, EMapAreaList::Unloaded);
}
data = nextData;
}
}
for (CMapAreaBFSInfo& bfs : bfsInfos) {
CMapAreaData& data = x0_areas[bfs.GetAreaIndex()];
data.Lock();
if (data.GetContainingList() == EMapAreaList::Unloaded)
MoveMapAreaToList(&data, EMapAreaList::Loading);
}
}
bool CMapWorld::IsMapAreasStreaming() const {
bool ret = false;
CMapAreaData* data = x10_listHeads[1];
while (data != nullptr) {
if (data->IsLoaded()) {
CMapAreaData* next = data->GetNextMapAreaData();
const_cast<CMapWorld*>(this)->MoveMapAreaToList(data, EMapAreaList::Loaded);
data = next;
} else {
data = data->GetNextMapAreaData();
ret = true;
}
}
return ret;
}
void CMapWorld::MoveMapAreaToList(CMapWorld::CMapAreaData* data, CMapWorld::EMapAreaList list) {
CMapAreaData* last = nullptr;
for (CMapAreaData* head = x10_listHeads[int(data->GetContainingList())];;
last = head, head = head->GetNextMapAreaData()) {
if (head != data)
continue;
if (!last)
x10_listHeads[int(data->GetContainingList())] = head->GetNextMapAreaData();
else
last->SetNextMapArea(head->GetNextMapAreaData());
break;
}
data->SetNextMapArea(x10_listHeads[int(list)]);
data->SetContainingList(list);
x10_listHeads[int(list)] = data;
}
s32 CMapWorld::GetCurrentMapAreaDepth(const IWorld& wld, TAreaId aid) const {
ClearTraversedFlags();
std::vector<CMapAreaBFSInfo> info;
info.reserve(x0_areas.size());
DoBFS(wld, aid, 9999, 9999.f, 9999.f, false, info);
if (info.empty())
return 0;
return info.back().GetDepth();
}
std::vector<int> CMapWorld::GetVisibleAreas(const IWorld& wld, const CMapWorldInfo& mwInfo) const {
std::vector<int> ret;
ret.reserve(x0_areas.size());
for (size_t i = 0; i < x0_areas.size(); ++i) {
if (!IsMapAreaValid(wld, i, true))
continue;
const CMapArea* area = GetMapArea(i);
bool areaVis = mwInfo.IsAreaVisible(i);
bool worldVis = mwInfo.IsWorldVisible(i);
if (area->GetIsVisibleToAutoMapper(worldVis, areaVis))
ret.push_back(i);
}
return ret;
}
void CMapWorld::Draw(const CMapWorld::CMapWorldDrawParms& parms, int curArea, int otherArea, float depth1, float depth2,
bool inMapScreen) const {
if (depth1 == 0.f && depth2 == 0.f)
return;
SCOPED_GRAPHICS_DEBUG_GROUP("CMapWorld::Draw", zeus::skBlue);
ClearTraversedFlags();
int areaDepth = std::ceil(std::max(depth1, depth2));
std::vector<CMapAreaBFSInfo> bfsInfos;
bfsInfos.reserve(x0_areas.size());
if (curArea != otherArea) {
const_cast<CMapWorld*>(this)->x20_traversed[otherArea] = true;
DoBFS(parms.GetWorld(), curArea, areaDepth, depth1, depth2, true, bfsInfos);
float lowD1 = std::ceil(depth1 - 1.f);
float tmp;
if (depth1 == std::floor(depth1))
tmp = 0.f;
else
tmp = 1.f - std::fmod(depth1, 1.f);
float newD1 = lowD1 + tmp;
float lowD2 = std::ceil(depth2 - 1.f);
if (depth2 == std::floor(depth2))
tmp = 0.f;
else
tmp = 1.f - std::fmod(depth2, 1.f);
float newD2 = lowD2 + tmp;
int otherDepth = std::ceil(std::max(newD1, newD2));
if (parms.GetWorld().IGetAreaAlways(otherArea)->IIsActive()) {
const_cast<CMapWorld*>(this)->x20_traversed[otherArea] = false;
DoBFS(parms.GetWorld(), otherArea, otherDepth, newD1, newD2, true, bfsInfos);
}
} else {
DoBFS(parms.GetWorld(), curArea, areaDepth, depth1, depth2, true, bfsInfos);
}
DrawAreas(parms, curArea, bfsInfos, inMapScreen);
}
void CMapWorld::DoBFS(const IWorld& wld, int startArea, int areaCount, float surfDepth, float outlineDepth,
bool checkLoad, std::vector<CMapAreaBFSInfo>& bfsInfos) const {
if (areaCount <= 0 || !IsMapAreaValid(wld, startArea, checkLoad))
return;
size_t size = bfsInfos.size();
bfsInfos.emplace_back(startArea, 1, surfDepth, outlineDepth);
const_cast<CMapWorld*>(this)->x20_traversed[startArea] = true;
for (; size != bfsInfos.size(); ++size) {
CMapAreaBFSInfo& testInfo = bfsInfos[size];
if (testInfo.GetDepth() == areaCount)
continue;
surfDepth = testInfo.GetSurfaceDrawDepth() - 1.f;
outlineDepth = testInfo.GetOutlineDrawDepth() - 1.f;
const IGameArea* area = wld.IGetAreaAlways(testInfo.GetAreaIndex());
for (u32 i = 0; i < area->IGetNumAttachedAreas(); ++i) {
TAreaId attId = area->IGetAttachedAreaId(i);
if (IsMapAreaValid(wld, attId, checkLoad) && !x20_traversed[attId]) {
bfsInfos.emplace_back(attId, testInfo.GetDepth() + 1, surfDepth, outlineDepth);
const_cast<CMapWorld*>(this)->x20_traversed[attId] = true;
}
}
}
}
bool CMapWorld::IsMapAreaValid(const IWorld& wld, int areaIdx, bool checkLoad) const {
if (!wld.IGetAreaAlways(areaIdx)->IIsActive())
return false;
const CMapArea* mapa = GetMapArea(areaIdx);
if (checkLoad)
return mapa != nullptr;
return true;
}
void CMapWorld::DrawAreas(const CMapWorld::CMapWorldDrawParms& parms, int selArea,
const std::vector<CMapAreaBFSInfo>& bfsInfos, bool inMapScreen) const {
// Alpha blend
// Line width 1
int surfCount = 0;
int objCount = 0;
for (const CMapAreaBFSInfo& bfsInfo : bfsInfos) {
const CMapArea* mapa = GetMapArea(bfsInfo.GetAreaIndex());
surfCount += mapa->GetNumSurfaces();
objCount += mapa->GetNumMappableObjects();
}
std::vector<CMapObjectSortInfo> sortInfos;
sortInfos.reserve(surfCount + objCount + (parms.GetIsSortDoorSurfaces() ? objCount * 6 : 0));
int playerArea = parms.GetStateManager().GetNextAreaId();
const CMapWorldInfo& mwInfo = parms.GetMapWorldInfo();
for (const CMapAreaBFSInfo& bfsInfo : bfsInfos) {
int thisArea = bfsInfo.GetAreaIndex();
const CMapArea* mapa = GetMapArea(thisArea);
if (!mapa->GetIsVisibleToAutoMapper(mwInfo.IsWorldVisible(thisArea), mwInfo.IsAreaVisible(thisArea)))
continue;
float surfDepth = bfsInfo.GetSurfaceDrawDepth();
float outlineDepth = bfsInfo.GetOutlineDrawDepth();
if (surfDepth >= 1.f)
surfDepth = 1.f;
else if (surfDepth < 0.f)
surfDepth = 0.f;
else
surfDepth -= std::floor(surfDepth);
if (outlineDepth >= 1.f)
outlineDepth = 1.f;
else if (outlineDepth < 0.f)
outlineDepth = 0.f;
else
outlineDepth -= std::floor(outlineDepth);
float alphaSurf;
float alphaOutline;
const zeus::CColor* surfaceColor;
const zeus::CColor* outlineColor;
const zeus::CColor* surfacePlayerColor;
const zeus::CColor* outlinePlayerColor;
if (mwInfo.IsAreaVisted(thisArea)) {
alphaSurf = parms.GetAlphaSurfaceVisited();
alphaOutline = parms.GetAlphaOutlineVisited();
surfaceColor = &g_tweakAutoMapper->GetSurfaceVisitedColor();
outlineColor = &g_tweakAutoMapper->GetOutlineVisitedColor();
surfacePlayerColor = &g_tweakAutoMapper->GetSurfaceSelectVisitedColor();
outlinePlayerColor = &g_tweakAutoMapper->GetOutlineSelectVisitedColor();
} else {
alphaSurf = parms.GetAlphaSurfaceUnvisited();
alphaOutline = parms.GetAlphaOutlineUnvisited();
surfaceColor = &g_tweakAutoMapper->GetSurfaceUnvisitedColor();
outlineColor = &g_tweakAutoMapper->GetOutlineUnvisitedColor();
surfacePlayerColor = &g_tweakAutoMapper->GetSurfaceSelectUnvisitedColor();
outlinePlayerColor = &g_tweakAutoMapper->GetOutlineSelectUnvisitedColor();
}
zeus::CColor hintFlashColor =
zeus::CColor::lerp(zeus::skClear, zeus::CColor{1.f, 1.f, 1.f, 0.f}, parms.GetHintAreaFlashIntensity());
zeus::CColor finalSurfColor, finalOutlineColor;
if (thisArea == selArea && inMapScreen) {
finalSurfColor = *surfacePlayerColor + hintFlashColor;
finalOutlineColor = *outlinePlayerColor + hintFlashColor;
} else {
finalSurfColor = *surfaceColor;
finalSurfColor.a() = surfDepth * alphaSurf;
finalOutlineColor = *outlineColor;
finalOutlineColor.a() = outlineDepth * alphaOutline;
}
if ((selArea != playerArea || parms.GetHintAreaFlashIntensity() == 0.f) && playerArea == thisArea &&
this == parms.GetStateManager().GetWorld()->GetMapWorld()) {
float pulse = parms.GetPlayerAreaFlashIntensity();
const zeus::CColor& flashCol = g_tweakAutoMapper->GetAreaFlashPulseColor();
finalSurfColor = zeus::CColor::lerp(finalSurfColor, flashCol, pulse);
finalOutlineColor = zeus::CColor::lerp(finalOutlineColor, flashCol, pulse);
}
zeus::CTransform modelView =
parms.GetCameraTransform().inverse() * mapa->GetAreaPostTransform(parms.GetWorld(), thisArea);
for (u32 i = 0; i < mapa->GetNumSurfaces(); ++i) {
const CMapArea::CMapAreaSurface& surf = mapa->GetSurface(i);
zeus::CVector3f pos = modelView * surf.GetCenterPosition();
sortInfos.emplace_back(pos.y(), thisArea, CMapObjectSortInfo::EObjectCode::Surface, i, finalSurfColor,
finalOutlineColor);
}
u32 i = 0;
u32 si = 0;
for (; i < mapa->GetNumMappableObjects(); ++i, si += 6) {
const CMappableObject& obj = mapa->GetMappableObject(i);
if (!obj.IsVisibleToAutoMapper(mwInfo.IsWorldVisible(thisArea), mwInfo))
continue;
bool doorType = CMappableObject::IsDoorType(obj.GetType());
if (doorType) {
if (!mwInfo.IsAreaVisible(thisArea))
continue;
if (parms.GetIsSortDoorSurfaces()) {
for (u32 s = 0; s < 6; ++s) {
zeus::CVector3f center = obj.BuildSurfaceCenterPoint(s);
zeus::CVector3f pos = modelView * (CMapArea::GetAreaPostTranslate(parms.GetWorld(), thisArea) + center);
sortInfos.emplace_back(pos.y(), thisArea, CMapObjectSortInfo::EObjectCode::DoorSurface, si + s,
zeus::CColor{1.f, 0.f, 1.f, 1.f}, zeus::CColor{1.f, 0.f, 1.f, 1.f});
}
continue;
}
}
zeus::CVector3f pos =
modelView * (obj.GetTransform().origin + CMapArea::GetAreaPostTranslate(parms.GetWorld(), thisArea));
sortInfos.emplace_back(pos.y(), thisArea,
doorType ? CMapObjectSortInfo::EObjectCode::Door : CMapObjectSortInfo::EObjectCode::Object,
i, zeus::CColor{1.f, 0.f, 1.f, 1.f}, zeus::CColor{1.f, 0.f, 1.f, 1.f});
}
}
std::sort(sortInfos.begin(), sortInfos.end(), [](const CMapObjectSortInfo& a, const CMapObjectSortInfo& b) {
return a.GetZDistance() > b.GetZDistance();
});
u32 lastAreaIdx = UINT32_MAX;
CMapObjectSortInfo::EObjectCode lastType = CMapObjectSortInfo::EObjectCode::Invalid;
for (const CMapObjectSortInfo& info : sortInfos) {
const CMapArea* mapa = GetMapArea(info.GetAreaIndex());
zeus::CTransform areaPostXf = mapa->GetAreaPostTransform(parms.GetWorld(), info.GetAreaIndex());
if (info.GetObjectCode() == CMapObjectSortInfo::EObjectCode::Surface) {
const CMapArea::CMapAreaSurface& surf = mapa->GetSurface(info.GetLocalObjectIndex());
zeus::CColor color(
std::max(0.f, (-parms.GetCameraTransform().basis[1]).dot(areaPostXf.rotate(surf.GetNormal()))) *
g_tweakAutoMapper->GetMapSurfaceNormColorLinear() +
g_tweakAutoMapper->GetMapSurfaceNormColorConstant());
color *= info.GetSurfaceColor();
if (lastAreaIdx != info.GetAreaIndex() || lastType != CMapObjectSortInfo::EObjectCode::Surface)
CGraphics::SetModelMatrix(parms.GetPlaneProjectionTransform() * areaPostXf);
surf.Draw(mapa->GetVertices(), color, info.GetOutlineColor(), parms.GetOutlineWidthScale());
lastAreaIdx = info.GetAreaIndex();
lastType = info.GetObjectCode();
}
}
for (const CMapObjectSortInfo& info : sortInfos) {
const CMapArea* mapa = GetMapArea(info.GetAreaIndex());
if (info.GetObjectCode() == CMapObjectSortInfo::EObjectCode::Door ||
info.GetObjectCode() == CMapObjectSortInfo::EObjectCode::Object) {
const CMappableObject& mapObj = mapa->GetMappableObject(info.GetLocalObjectIndex());
zeus::CTransform objXf =
zeus::CTransform::Translate(CMapArea::GetAreaPostTranslate(parms.GetWorld(), info.GetAreaIndex())) *
mapObj.GetTransform();
if (info.GetObjectCode() == CMapObjectSortInfo::EObjectCode::Door) {
CGraphics::SetModelMatrix(parms.GetPlaneProjectionTransform() * objXf);
} else {
CGraphics::SetModelMatrix(
parms.GetPlaneProjectionTransform() * objXf *
zeus::CTransform(parms.GetCameraTransform().buildMatrix3f() * zeus::CMatrix3f(parms.GetObjectScale())));
}
mapObj.Draw(selArea, mwInfo, parms.GetAlpha(), lastType != info.GetObjectCode());
lastType = info.GetObjectCode();
} else if (info.GetObjectCode() == CMapObjectSortInfo::EObjectCode::DoorSurface) {
const CMappableObject& mapObj = mapa->GetMappableObject(info.GetLocalObjectIndex() / 6);
zeus::CTransform objXf =
parms.GetPlaneProjectionTransform() *
zeus::CTransform::Translate(CMapArea::GetAreaPostTranslate(parms.GetWorld(), info.GetAreaIndex())) *
mapObj.GetTransform();
CGraphics::SetModelMatrix(objXf);
mapObj.DrawDoorSurface(selArea, mwInfo, parms.GetAlpha(), info.GetLocalObjectIndex() % 6,
lastType != info.GetObjectCode());
lastType = info.GetObjectCode();
}
}
}
struct Support {
int x0_;
int x4_[3];
};
struct Circle2 {
zeus::CVector2f x0_point;
float x8_radiusSq;
};
struct Circle {
zeus::CVector2f x0_point;
float x8_radius;
Circle(const Circle2& circ2) : x0_point(circ2.x0_point), x8_radius(std::sqrt(circ2.x8_radiusSq)) {}
};
static Circle2 ExactCircle1(const zeus::CVector2f* a) { return {*a, 0.f}; }
static Circle2 ExactCircle2(const zeus::CVector2f* a, const zeus::CVector2f* b) {
Circle2 ret = {};
ret.x0_point = 0.5f * (*a + *b);
ret.x8_radiusSq = (*b - *a).magSquared() * 0.25f;
return ret;
}
static Circle2 ExactCircle3(const zeus::CVector2f* a, const zeus::CVector2f* b, const zeus::CVector2f* c) {
Circle2 ret = {};
zeus::CVector2f d1 = *b - *a;
zeus::CVector2f d2 = *c - *a;
float cross = d1.cross(d2);
zeus::CVector2f magVec(d1.magSquared() * 0.5f, d2.magSquared() * 0.5f);
if (std::fabs(cross) > 0.01f) {
zeus::CVector2f tmp((d2.y() * magVec.x() - d1.y() * magVec.y()) / cross,
(d1.x() * magVec.y() - d2.x() * magVec.x()) / cross);
ret.x0_point = *a + tmp;
ret.x8_radiusSq = tmp.magSquared();
} else {
ret.x8_radiusSq = FLT_MAX;
}
return ret;
}
static bool PointInsideCircle(const zeus::CVector2f& point, const Circle2& circ, float& intersect) {
intersect = (point - circ.x0_point).magSquared() - circ.x8_radiusSq;
return intersect <= 0.f;
}
static Circle2 UpdateSupport1(int idx, const zeus::CVector2f** list, Support& support) {
Circle2 ret = ExactCircle2(list[support.x4_[0]], list[idx]);
support.x0_ = 2;
support.x4_[1] = idx;
return ret;
}
static Circle2 UpdateSupport2(int idx, const zeus::CVector2f** list, Support& support) {
Circle2 circs[3] = {};
float intersect;
int circIdx = -1;
float minRad = FLT_MAX;
circs[0] = ExactCircle2(list[support.x4_[0]], list[idx]);
if (PointInsideCircle(*list[support.x4_[1]], circs[0], intersect)) {
minRad = circs[0].x8_radiusSq;
circIdx = 0;
}
circs[1] = ExactCircle2(list[support.x4_[1]], list[idx]);
if (circs[1].x8_radiusSq < minRad && PointInsideCircle(*list[support.x4_[0]], circs[1], intersect)) {
circIdx = 1;
}
Circle2 ret;
if (circIdx != -1) {
ret = circs[circIdx];
support.x4_[1 - circIdx] = idx;
} else {
ret = ExactCircle3(list[support.x4_[0]], list[support.x4_[1]], list[idx]);
support.x0_ = 3;
support.x4_[2] = idx;
}
return ret;
}
static Circle2 UpdateSupport3(int idx, const zeus::CVector2f** list, Support& support) {
Circle2 circs[6] = {};
float intersect;
int circIdxA = -1;
int circIdxB = -1;
float minRadA = FLT_MAX;
float minRadB = FLT_MAX;
circs[0] = ExactCircle2(list[support.x4_[0]], list[idx]);
if (PointInsideCircle(*list[support.x4_[1]], circs[0], intersect)) {
if (PointInsideCircle(*list[support.x4_[2]], circs[0], intersect)) {
minRadA = circs[0].x8_radiusSq;
circIdxA = 0;
} else {
minRadB = intersect;
circIdxB = 0;
}
} else {
minRadB = intersect;
circIdxB = 0;
}
circs[1] = ExactCircle2(list[support.x4_[1]], list[idx]);
if (circs[1].x8_radiusSq < minRadA) {
if (PointInsideCircle(*list[support.x4_[0]], circs[1], intersect)) {
if (PointInsideCircle(*list[support.x4_[2]], circs[1], intersect)) {
minRadA = circs[1].x8_radiusSq;
circIdxA = 1;
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 1;
}
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 1;
}
}
circs[2] = ExactCircle2(list[support.x4_[2]], list[idx]);
if (circs[2].x8_radiusSq < minRadA) {
if (PointInsideCircle(*list[support.x4_[0]], circs[2], intersect)) {
if (PointInsideCircle(*list[support.x4_[1]], circs[2], intersect)) {
minRadA = circs[2].x8_radiusSq;
circIdxA = 2;
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 2;
}
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 2;
}
}
circs[3] = ExactCircle3(list[support.x4_[0]], list[support.x4_[1]], list[idx]);
if (circs[3].x8_radiusSq < minRadA) {
if (PointInsideCircle(*list[support.x4_[2]], circs[3], intersect)) {
minRadA = circs[3].x8_radiusSq;
circIdxA = 3;
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 3;
}
}
circs[4] = ExactCircle3(list[support.x4_[0]], list[support.x4_[2]], list[idx]);
if (circs[4].x8_radiusSq < minRadA) {
if (PointInsideCircle(*list[support.x4_[1]], circs[4], intersect)) {
minRadA = circs[4].x8_radiusSq;
circIdxA = 4;
} else if (intersect < minRadB) {
minRadB = intersect;
circIdxB = 4;
}
}
circs[5] = ExactCircle3(list[support.x4_[1]], list[support.x4_[2]], list[idx]);
if (circs[5].x8_radiusSq < minRadA) {
if (PointInsideCircle(*list[support.x4_[0]], circs[5], intersect)) {
circIdxA = 5;
} else if (intersect < minRadB) {
circIdxB = 5;
}
}
if (circIdxA == -1)
circIdxA = circIdxB;
switch (circIdxA) {
case 0:
support.x0_ = 2;
support.x4_[1] = idx;
break;
case 1:
support.x0_ = 2;
support.x4_[0] = idx;
break;
case 2:
support.x0_ = 2;
support.x4_[0] = support.x4_[2];
support.x4_[1] = idx;
break;
case 3:
support.x4_[2] = idx;
break;
case 4:
support.x4_[1] = idx;
break;
case 5:
support.x4_[0] = idx;
break;
default:
break;
}
return circs[circIdxA];
}
typedef Circle2 (*FSupport)(int idx, const zeus::CVector2f** list, Support& support);
static const FSupport SupportFuncs[] = {nullptr, UpdateSupport1, UpdateSupport2, UpdateSupport3};
static Circle MinCircle(const std::vector<zeus::CVector2f>& coords) {
Circle2 ret = {};
if (coords.size() >= 1) {
std::unique_ptr<const zeus::CVector2f*[]> randArr(new const zeus::CVector2f*[coords.size()]);
for (size_t i = 0; i < coords.size(); ++i)
randArr[i] = &coords[i];
for (int i = coords.size() - 1; i >= 0; --i) {
int shuf = rand() % (i + 1);
if (shuf != i)
std::swap(randArr[i], randArr[shuf]);
}
ret = ExactCircle1(randArr[0]);
Support support = {};
support.x0_ = 1;
for (size_t i = 1; i < coords.size();) {
bool broke = false;
for (int j = 0; j < support.x0_; ++j) {
if ((*randArr[i] - *randArr[support.x4_[j]]).magSquared() < 0.01f) {
broke = true;
break;
}
}
float intersect;
if (!broke && !PointInsideCircle(*randArr[i], ret, intersect)) {
Circle2 circ = SupportFuncs[support.x0_](i, randArr.get(), support);
if (circ.x8_radiusSq > ret.x8_radiusSq) {
i = 0;
ret = circ;
continue;
}
}
++i;
}
}
return ret;
}
void CMapWorld::RecalculateWorldSphere(const CMapWorldInfo& mwInfo, const IWorld& wld) const {
std::vector<zeus::CVector2f> coords;
coords.reserve(x0_areas.size() * 8);
float zMin = FLT_MAX;
float zMax = -FLT_MAX;
for (size_t i = 0; i < x0_areas.size(); ++i) {
if (IsMapAreaValid(wld, i, true)) {
const CMapArea* mapa = GetMapArea(i);
if (mapa->GetIsVisibleToAutoMapper(mwInfo.IsWorldVisible(i), mwInfo.IsAreaVisible(i))) {
zeus::CAABox aabb = mapa->GetBoundingBox().getTransformedAABox(mapa->GetAreaPostTransform(wld, i));
for (int j = 0; j < 8; ++j) {
const zeus::CVector3f point = aabb.getPoint(j);
coords.push_back(point.toVec2f());
zMin = std::min(point.z(), zMin);
zMax = std::max(point.z(), zMax);
}
}
}
}
Circle circle = MinCircle(coords);
const_cast<CMapWorld*>(this)->x3c_worldSphereRadius = circle.x8_radius;
const_cast<CMapWorld*>(this)->x30_worldSpherePoint =
zeus::CVector3f(circle.x0_point.x(), circle.x0_point.y(), (zMin + zMax) * 0.5f);
const_cast<CMapWorld*>(this)->x40_worldSphereHalfDepth = (zMax - zMin) * 0.5f;
}
zeus::CVector3f CMapWorld::ConstrainToWorldVolume(const zeus::CVector3f& point, const zeus::CVector3f& lookVec) const {
zeus::CVector3f ret = point;
if (std::fabs(lookVec.z()) > FLT_EPSILON) {
float f2 = point.z() - (x40_worldSphereHalfDepth + x30_worldSpherePoint.z());
float f1 = point.z() - (x30_worldSpherePoint.z() - x40_worldSphereHalfDepth);
if (f2 > 0.f)
ret = point + lookVec * (-f2 / lookVec.z());
else if (f1 < 0.f)
ret = point + lookVec * (-f1 / lookVec.z());
} else {
ret.z() = zeus::clamp(x30_worldSpherePoint.z() - x40_worldSphereHalfDepth, float(ret.z()),
x40_worldSphereHalfDepth + x30_worldSpherePoint.z());
}
zeus::CVector2f tmp = x30_worldSpherePoint.toVec2f();
zeus::CVector2f vec2 = point.toVec2f() - tmp;
if (vec2.magnitude() > x3c_worldSphereRadius) {
tmp += vec2.normalized() * x3c_worldSphereRadius;
ret.x() = float(tmp.x());
ret.y() = float(tmp.y());
}
return ret;
}
void CMapWorld::ClearTraversedFlags() const {
std::vector<bool>& flags = const_cast<CMapWorld*>(this)->x20_traversed;
for (size_t i = 0; i < flags.size(); ++i)
flags[i] = false;
}
CFactoryFnReturn FMapWorldFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& param,
CObjectReference* selfRef) {
return TToken<CMapWorld>::GetIObjObjectFor(std::make_unique<CMapWorld>(in));
}
} // namespace urde
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