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-rw-r--r--src/core/World.cpp78
-rw-r--r--src/core/World.h4
2 files changed, 81 insertions, 1 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 &centre, 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 &centre, 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);
diff --git a/src/core/World.h b/src/core/World.h
index 3b7090da..d6063d70 100644
--- a/src/core/World.h
+++ b/src/core/World.h
@@ -93,7 +93,9 @@ public:
static bool GetIsLineOfSightClear(const CVector &point1, const CVector &point2, bool checkBuildings, bool checkVehicles, bool checkPeds, bool checkObjects, bool checkDummies, bool ignoreSeeThrough, bool ignoreSomeObjects = false);
static bool GetIsLineOfSightSectorClear(CSector &sector, const CColLine &line, bool checkBuildings, bool checkVehicles, bool checkPeds, bool checkObjects, bool checkDummies, bool ignoreSeeThrough, bool ignoreSomeObjects = false);
static bool GetIsLineOfSightSectorListClear(CPtrList &list, const CColLine &line, bool ignoreSeeThrough, bool ignoreSomeObjects = false);
-
+
+ static void FindObjectsInRangeSectorList(CPtrList&, CVector&, float, bool, short*, short, CEntity**);
+ static void FindObjectsInRange(CVector&, float, bool, short*, short, CEntity**, bool, bool, bool, bool, bool);
static float FindGroundZForCoord(float x, float y);
static float FindGroundZFor3DCoord(float x, float y, float z, bool *found);
static float FindRoofZFor3DCoord(float x, float y, float z, bool *found);