Harden fishing and mining action validation

src/game/mining.cpp

@@ -8,6 +8,7 @@
 #include "db.h"
 #include "log.h"
 #include "skill.h"
+#include "utils.h"
 
 namespace mining
 {
@@ -16,6 +17,7 @@ namespace mining
 		MAX_ORE = 18,
 		MAX_FRACTION_COUNT = 9,
 		ORE_COUNT_FOR_REFINE = 100,
+		MINING_COMPLETE_MAX_DISTANCE = 1200,
 	};
 
 	struct SInfo
@@ -366,6 +368,42 @@ namespace mining
 			return 0;
 		}
 
+		if (load->GetMapIndex() != ch->GetMapIndex())
+		{
+			char szDetail[128];
+			snprintf(szDetail,
+				 sizeof(szDetail),
+				 "target=%u map=%ld target_map=%ld",
+				 load->GetVID(),
+				 static_cast<long>(ch->GetMapIndex()),
+				 static_cast<long>(load->GetMapIndex()));
+			ch->RecordAntiCheatViolation("MINING_CONTEXT", 8, szDetail, true);
+			return 0;
+		}
+
+		if (!ch->CanMove() || !ch->CanHandleItem())
+		{
+			char szDetail[128];
+			snprintf(szDetail,
+				 sizeof(szDetail),
+				 "can_move=%d can_item=%d target=%u",
+				 ch->CanMove() ? 1 : 0,
+				 ch->CanHandleItem() ? 1 : 0,
+				 load->GetVID());
+			ch->RecordAntiCheatViolation("MINING_CONTEXT", 4, szDetail);
+			return 0;
+		}
+
+		const int iDistance = DISTANCE_APPROX(ch->GetX() - load->GetX(), ch->GetY() - load->GetY());
+		if (iDistance > MINING_COMPLETE_MAX_DISTANCE)
+		{
+			char szDetail[128];
+			snprintf(szDetail, sizeof(szDetail), "target=%u distance=%d max=%d", load->GetVID(), iDistance, MINING_COMPLETE_MAX_DISTANCE);
+			ch->RecordAntiCheatViolation("MINING_DISTANCE", iDistance > MINING_COMPLETE_MAX_DISTANCE + 800 ? 12 : 4, szDetail, iDistance > MINING_COMPLETE_MAX_DISTANCE + 800);
+			ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("너무 멀리 떨어져 있어 채광을 완료할 수 없습니다."));
+			return 0;
+		}
+
 		int iPct = GetOrePct(ch);
 
 		if (number(1, 100) <= iPct)
@@ -445,4 +483,3 @@ namespace mining
 		return false;
 	}
 }
-