diff options
Diffstat (limited to 'src/core/World.cpp')
| -rw-r--r-- | src/core/World.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/core/World.cpp b/src/core/World.cpp index 538e15c5..a31f87a7 100644 --- a/src/core/World.cpp +++ b/src/core/World.cpp @@ -564,6 +564,82 @@ CWorld::GetIsLineOfSightSectorListClear(CPtrList &list, const CColLine &line, bo return true; } +void +CWorld::FindObjectsInRangeSectorList(CPtrList &list, CVector ¢re, float distance, bool ignoreZ, short *nextObject, short lastObject, CEntity **objects) +{ + float distSqr = distance * distance; + float objDistSqr; + + for (CPtrNode *node = list.first; node; node = node->next) { + CEntity *object = (CEntity*)node->item; + if (object->m_scanCode != CWorld::GetCurrentScanCode()) { + object->m_scanCode = CWorld::GetCurrentScanCode(); + + CVector diff = centre - object->GetPosition(); + if (ignoreZ) + objDistSqr = diff.MagnitudeSqr2D(); + else + objDistSqr = diff.MagnitudeSqr(); + + if (objDistSqr < distSqr && *nextObject < lastObject) { + if (objects) { + objects[*nextObject] = object; + } + (*nextObject)++; + } + } + } +} + +void +CWorld::FindObjectsInRange(CVector ¢re, float distance, bool ignoreZ, short *nextObject, short lastObject, CEntity **objects, bool checkBuildings, bool checkVehicles, bool checkPeds, bool checkObjects, bool checkDummies) +{ + int minX = GetSectorIndexX(centre.x - distance); + if (minX <= 0) + minX = 0; + + int minY = GetSectorIndexY(centre.y - distance); + if (minY <= 0) + minY = 0; + + int maxX = GetSectorIndexX(centre.x + distance); + if (maxX >= 100) + maxX = 100; + + int maxY = GetSectorIndexY(centre.y + distance); + if (maxY >= 100) + maxY = 100; + + AdvanceCurrentScanCode(); + + *nextObject = 0; + for(int curY = minY; curY <= maxY; curY++) { + for(int curX = minX; curX <= maxX; curX++) { + CSector *sector = GetSector(curX, curY); + if (checkBuildings) { + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_BUILDINGS], centre, distance, ignoreZ, nextObject, lastObject, objects); + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], centre, distance, ignoreZ, nextObject, lastObject, objects); + } + if (checkVehicles) { + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_VEHICLES], centre, distance, ignoreZ, nextObject, lastObject, objects); + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_VEHICLES_OVERLAP], centre, distance, ignoreZ, nextObject, lastObject, objects); + } + if (checkPeds) { + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_PEDS], centre, distance, ignoreZ, nextObject, lastObject, objects); + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_PEDS_OVERLAP], centre, distance, ignoreZ, nextObject, lastObject, objects); + } + if (checkObjects) { + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_OBJECTS], centre, distance, ignoreZ, nextObject, lastObject, objects); + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_OBJECTS_OVERLAP], centre, distance, ignoreZ, nextObject, lastObject, objects); + } + if (checkDummies) { + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_DUMMIES], centre, distance, ignoreZ, nextObject, lastObject, objects); + CWorld::FindObjectsInRangeSectorList(sector->m_lists[ENTITYLIST_DUMMIES_OVERLAP], centre, distance, ignoreZ, nextObject, lastObject, objects); + } + } + } +} + float CWorld::FindGroundZForCoord(float x, float y) { @@ -712,6 +788,8 @@ STARTPATCHES InjectHook(0x4B2000, CWorld::GetIsLineOfSightSectorClear, PATCH_JUMP); InjectHook(0x4B2160, CWorld::GetIsLineOfSightSectorListClear, PATCH_JUMP); + InjectHook(0x4B2200, CWorld::FindObjectsInRange, PATCH_JUMP); + InjectHook(0x4B2540, CWorld::FindObjectsInRangeSectorList, PATCH_JUMP); InjectHook(0x4B3A80, CWorld::FindGroundZForCoord, PATCH_JUMP); InjectHook(0x4B3AE0, CWorld::FindGroundZFor3DCoord, PATCH_JUMP); InjectHook(0x4B3B50, CWorld::FindRoofZFor3DCoord, PATCH_JUMP); |