From f4fd2a770b0ed0cc55d5180e6cb39993f120a29d Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Thu, 6 May 2021 09:20:34 +0200
Subject: [PATCH] - dudeLeechOperate

---
 source/games/blood/src/aiunicult.cpp | 39 ++++++++++++++++++----------
 source/games/blood/src/aiunicult.h   |  2 +-
 source/games/blood/src/nnexts.cpp    |  2 +-
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/source/games/blood/src/aiunicult.cpp b/source/games/blood/src/aiunicult.cpp
index 19cdd90c0..e3b7677e1 100644
--- a/source/games/blood/src/aiunicult.cpp
+++ b/source/games/blood/src/aiunicult.cpp
@@ -1830,38 +1830,49 @@ int getDodgeChance(DBloodActor* actor)
 
     int chance = ((baseChance / mass) << 7);
     return chance;
-
 }
 
-void dudeLeechOperate(spritetype* pSprite, XSPRITE* pXSprite, EVENT event)
+//---------------------------------------------------------------------------
+//
+//
+//
+//---------------------------------------------------------------------------
+
+void dudeLeechOperate(DBloodActor* actor, const EVENT& event)
 {
-    if (event.cmd == kCmdOff) {
+    auto const pSprite = &actor->s();
+    auto const pXSprite = &actor->x();
+
+    if (event.cmd == kCmdOff) 
+    {
         actPostSprite(pSprite->index, kStatFree);
         return;
     }
-    auto actor = &bloodActors[pSprite->index];
 
-    int nTarget = pXSprite->target_i;
-    if (spriRangeIsFine(nTarget) && nTarget != pSprite->owner) {
-        spritetype* pTarget = &sprite[nTarget];
-        if (pTarget->statnum == kStatDude && !(pTarget->flags & 32) && pTarget->extra > 0 && pTarget->extra < kMaxXSprites && !pXSprite->stateTimer) {
-            
-            if (IsPlayerSprite(pTarget)) {
+    auto actTarget = actor->GetTarget();
+    if (actTarget != nullptr && actTarget != actor->GetOwner())
+    {
+        spritetype* pTarget = &actTarget->s();
+        if (pTarget->statnum == kStatDude && !(pTarget->flags & 32) && pTarget->extra > 0 && pTarget->extra < kMaxXSprites && !pXSprite->stateTimer) 
+        {
+            if (IsPlayerSprite(pTarget)) 
+            {
                 PLAYER* pPlayer = &gPlayer[pTarget->type - kDudePlayer1];
                 if (powerupCheck(pPlayer, kPwUpShadowCloak) > 0) return;
             }
             int top, bottom;
-            GetSpriteExtents(pSprite, &top, &bottom);
+            GetActorExtents(actor, &top, &bottom);
             int nType = pTarget->type - kDudeBase;
             DUDEINFO* pDudeInfo = &dudeInfo[nType];
             int z1 = (top - pSprite->z) - 256;
             int x = pTarget->x; int y = pTarget->y; int z = pTarget->z;
             int nDist = approxDist(x - pSprite->x, y - pSprite->y);
             
-            if (nDist != 0 && cansee(pSprite->x, pSprite->y, top, pSprite->sectnum, x, y, z, pTarget->sectnum)) {
+            if (nDist != 0 && cansee(pSprite->x, pSprite->y, top, pSprite->sectnum, x, y, z, pTarget->sectnum)) 
+            {
                 int t = DivScale(nDist, 0x1aaaaa, 12);
-                x += (xvel[nTarget] * t) >> 12;
-                y += (yvel[nTarget] * t) >> 12;
+                x += (actTarget->xvel() * t) >> 12;
+                y += (actTarget->yvel() * t) >> 12;
                 int angBak = pSprite->ang;
                 pSprite->ang = getangle(x - pSprite->x, y - pSprite->y);
                 int dx = CosScale16(pSprite->ang);
diff --git a/source/games/blood/src/aiunicult.h b/source/games/blood/src/aiunicult.h
index 2997d74c5..4c23a7e1e 100644
--- a/source/games/blood/src/aiunicult.h
+++ b/source/games/blood/src/aiunicult.h
@@ -209,7 +209,7 @@ int checkAttackState(DBloodActor* actor);
 bool doExplosion(DBloodActor* pSprite, int nType);
 spritetype* genDudeSpawn(XSPRITE* pXSource, spritetype* pSprite, int nDist);
 void genDudeTransform(spritetype* pSprite);
-void dudeLeechOperate(spritetype* pSprite, XSPRITE* pXSprite, EVENT a3);
+void dudeLeechOperate(DBloodActor* actor, const EVENT& a3);
 int getDodgeChance(DBloodActor* pSprite);
 int getRecoilChance(DBloodActor* pSprite);
 bool dudeIsMelee(DBloodActor* pXSprite);
diff --git a/source/games/blood/src/nnexts.cpp b/source/games/blood/src/nnexts.cpp
index b89ef13e5..025abea9c 100644
--- a/source/games/blood/src/nnexts.cpp
+++ b/source/games/blood/src/nnexts.cpp
@@ -5066,7 +5066,7 @@ bool modernTypeOperateSprite(int nSprite, spritetype* pSprite, XSPRITE* pXSprite
             }
             return true;
         case kModernThingEnemyLifeLeech:
-            dudeLeechOperate(pSprite, pXSprite, event);
+            dudeLeechOperate(actor, event);
             return true;
         case kModernPlayerControl: { // WIP
             PLAYER* pPlayer = NULL; int cmd = (event.cmd >= kCmdNumberic) ? event.cmd : pXSprite->command;