From 5ec1b3eaa504bc8f9443a340e579e000d4516651 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Mon, 18 Jul 2016 15:27:19 +0300
Subject: Highlight skill attack range with border, while casting skill.

---
 src/being/being.cpp           | 48 ++++++++++++++++++++++++++++++++++++++++++-
 src/being/being.h             | 16 +++++++++++++++
 src/net/eathena/beingrecv.cpp |  9 +++++++-
 src/net/eathena/beingrecv.h   |  1 +
 4 files changed, 72 insertions(+), 2 deletions(-)

diff --git a/src/being/being.cpp b/src/being/being.cpp
index 95142fecc..0b52592d4 100644
--- a/src/being/being.cpp
+++ b/src/being/being.cpp
@@ -242,6 +242,10 @@ Being::Being(const BeingId id,
     mKarma(0),
     mManner(0),
     mAreaSize(11),
+    mCastEndTime(0),
+    mCastX1(0),
+    mCastSize(0),
+    mCastY1(0),
 #ifdef EATHENA_SUPPORT
     mCreatorId(BeingId_zero),
 #endif
@@ -257,7 +261,8 @@ Being::Being(const BeingId id,
     mAway(false),
     mInactive(false),
     mNeedPosUpdate(true),
-    mPetAi(true)
+    mPetAi(true),
+    mDrawCast(false)
 {
     for (int f = 0; f < 20; f ++)
     {
@@ -1783,6 +1788,12 @@ void Being::logic() restrict2
         (*it)->update(time);
 #endif
 
+    if (mCastEndTime != 0 && mCastEndTime < tick_time)
+    {
+        mCastEndTime = 0;
+        mDrawCast = false;
+    }
+
     if (mAnimationEffect)
     {
         mAnimationEffect->update(time);
@@ -3486,9 +3497,25 @@ void Being::drawPlayer(Graphics *restrict const graphics,
         drawBeingCursor(graphics, px, py);
         drawPlayerSpriteAt(graphics, px, py);
 #endif
+        if (mDrawCast)
+            drawCasting(graphics, offsetX, offsetY);
     }
 }
 
+void Being::drawCasting(Graphics *const graphics,
+                        const int offsetX,
+                        const int offsetY) const
+{
+    graphics->setColor(userPalette->getColorWithAlpha(
+        UserColorId::ATTACK_RANGE_BORDER));
+
+    graphics->drawRectangle(Rect(
+        mCastX1 + offsetX,
+        mCastY1 + offsetY,
+        mCastSize,
+        mCastSize));
+}
+
 void Being::drawBeingCursor(Graphics *const graphics,
                             const int offsetX,
                             const int offsetY) const
@@ -5002,6 +5029,25 @@ void Being::serverRemove() restrict2 noexcept2
     mTrickDead = false;
 }
 
+void Being::addCast(const int dstX,
+                    const int dstY,
+                    const int skillId A_UNUSED,
+                    const int range A_UNUSED,
+                    const int waitTimeTicks)
+{
+    if (waitTimeTicks <= 0)
+    {
+        mCastEndTime = 0;
+        mDrawCast = false;
+        return;
+    }
+    mCastEndTime = tick_time + waitTimeTicks;
+    mDrawCast = true;
+    mCastX1 = (dstX - range) * mapTileSize;
+    mCastY1 = (dstY - range) * mapTileSize;
+    mCastSize = range * mapTileSize * 2 + mapTileSize;
+}
+
 #ifdef EATHENA_SUPPORT
 void Being::removeHorse() restrict2
 {
diff --git a/src/being/being.h b/src/being/being.h
index bf05d091b..810044956 100644
--- a/src/being/being.h
+++ b/src/being/being.h
@@ -1038,6 +1038,12 @@ class Being notfinal : public ActorSprite,
 
         void serverRemove() restrict2 noexcept2;
 
+        void addCast(const int dstX,
+                     const int dstY,
+                     const int skillId,
+                     const int range,
+                     const int waitTimeTicks);
+
     protected:
         void drawPlayerSpriteAt(Graphics *restrict const graphics,
                                 const int x,
@@ -1170,6 +1176,10 @@ class Being notfinal : public ActorSprite,
                              const int offsetX,
                              const int offsetY) const A_NONNULL(2);
 
+        void drawCasting(Graphics *const graphics,
+                         const int offsetX,
+                         const int offsetY) const A_NONNULL(2);
+
         const ActorTypeT mType;
 
         /** Speech Bubble components */
@@ -1255,6 +1265,11 @@ class Being notfinal : public ActorSprite,
         int mKarma;
         int mManner;
         int mAreaSize;
+        int mCastEndTime;
+        int mCastX1;
+        int mCastSize;
+        int mCastY1;
+        int mCastHeight;
 #ifdef EATHENA_SUPPORT
         BeingId mCreatorId;
 #endif
@@ -1271,6 +1286,7 @@ class Being notfinal : public ActorSprite,
         bool mInactive;
         bool mNeedPosUpdate;
         bool mPetAi;
+        bool mDrawCast;
 };
 
 extern std::list<BeingCacheEntry*> beingInfoCache;
diff --git a/src/net/eathena/beingrecv.cpp b/src/net/eathena/beingrecv.cpp
index af5edc74d..3970913f5 100644
--- a/src/net/eathena/beingrecv.cpp
+++ b/src/net/eathena/beingrecv.cpp
@@ -925,6 +925,7 @@ void BeingRecv::processSkillCasting(Net::MessageIn &msg)
         srcId, dstId,
         dstX, dstY,
         skillId,
+        0,
         castTime);
 }
 
@@ -938,12 +939,13 @@ void BeingRecv::processSkillCasting2(Net::MessageIn &msg)
     const int skillId = msg.readInt16("skill id");
     msg.readInt32("property");  // can be used to trigger effect
     const int castTime = msg.readInt32("cast time");
-    msg.readInt32("skill range");
+    const int range = msg.readInt32("skill range");
 
     processSkillCastingContinue(msg,
         srcId, dstId,
         dstX, dstY,
         skillId,
+        range,
         castTime);
 }
 
@@ -953,6 +955,7 @@ void BeingRecv::processSkillCastingContinue(Net::MessageIn &msg,
                                             const int dstX,
                                             const int dstY,
                                             const int skillId,
+                                            const int range,
                                             const int castTime)
 {
     if (!effectManager)
@@ -979,6 +982,10 @@ void BeingRecv::processSkillCastingContinue(Net::MessageIn &msg,
         skillDialog->playCastingDstTileEffect(skillId,
             dstX, dstY,
             castTime);
+        srcBeing->addCast(dstX, dstY,
+            skillId,
+            range,
+            castTime / MILLISECONDS_IN_A_TICK);
     }
     if (srcBeing == localPlayer)
         localPlayer->freezeMoving(castTime / MILLISECONDS_IN_A_TICK);
diff --git a/src/net/eathena/beingrecv.h b/src/net/eathena/beingrecv.h
index 1a005e31f..317cfc3be 100644
--- a/src/net/eathena/beingrecv.h
+++ b/src/net/eathena/beingrecv.h
@@ -124,6 +124,7 @@ namespace EAthena
                                          const int dstX,
                                          const int dstY,
                                          const int skillId,
+                                         const int range,
                                          const int castTime);
     }  // namespace BeingRecv
 }  // namespace EAthena
-- 
cgit v1.2.3-60-g2f50