From 5c6a48b2ff362a70416a6a00fda7d06e0f276f2d Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Sat, 1 Jul 2023 02:43:29 +0100
Subject: i am in hell

---
 src/T2DLL/T2FInfoPtIterator.cpp | 147 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 src/T2DLL/T2FInfoPtIterator.cpp

(limited to 'src/T2DLL/T2FInfoPtIterator.cpp')

diff --git a/src/T2DLL/T2FInfoPtIterator.cpp b/src/T2DLL/T2FInfoPtIterator.cpp
new file mode 100644
index 0000000..f3f2872
--- /dev/null
+++ b/src/T2DLL/T2FInfoPtIterator.cpp
@@ -0,0 +1,147 @@
+#include "GlobalFunc.h"
+#include "T2FInfoPtIterator.h"
+#include "T2FloorInfo.h"
+#include "T2MoverArrayList.h"
+#include "T2RequestArrayList.h"
+#include "T2TenantArrayList.h"
+#include "T2UnitInfo.h"
+
+T2FInfoPtIterator::T2FInfoPtIterator(const T2FloorInfo& inFloorInfo, POINT inPt)
+    : mFloorInfo(inFloorInfo)
+    , mLeftBound(mFloorInfo.mBuildArea.left)
+    , mRightBound(mFloorInfo.mBuildArea.right - 1)
+{
+    if (PtInRect(&mFloorInfo.mBuildArea, inPt)) {
+        mCurrH = inPt.x;
+        mCurrUnitInfo = mFloorInfo.GetUnitInfo(inPt.y, mCurrH);
+        mLastIDSeen = 0;
+    } else {
+        mCurrH = -2;
+    }
+}
+
+/*virtual*/ T2FInfoPtIterator::~T2FInfoPtIterator() {
+}
+
+BOOL T2FInfoPtIterator::CurrentH(int& outH) const {
+    BOOL result = true;
+
+    if (IsValidPosition())
+        outH = mCurrH;
+    else
+        result = false;
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::CalcRightUnitInfo() {
+    BOOL result = true;
+
+    if (mCurrH != -2) {
+        if (mCurrH != -1) {
+            if (mCurrH < mRightBound) {
+                mCurrH++;
+                mCurrUnitInfo++;
+            } else {
+                mCurrH = -2;
+                result = false;
+            }
+        } else {
+            mCurrH = mLeftBound;
+        }
+    } else {
+        result = false;
+    }
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::CalcLeftUnitInfo() {
+    BOOL result = true;
+
+    if (mCurrH != -2) {
+        if (mCurrH != -1) {
+            if (mCurrH > mLeftBound) {
+                mCurrH--;
+                mCurrUnitInfo--;
+            } else {
+                result = false;
+            }
+        } else {
+            mCurrH = mRightBound;
+        }
+    } else {
+        result = false;
+    }
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::Current(T2UnitInfo*& outUnitInfo) {
+    BOOL result = true;
+
+    if (IsValidPosition())
+        outUnitInfo = mCurrUnitInfo;
+    else
+        result = false;
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::Right(T2UnitInfo*& outUnitInfo) {
+    BOOL result = true;
+
+    if (CalcRightUnitInfo())
+        outUnitInfo = mCurrUnitInfo;
+    else
+        result = false;
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::Left(T2UnitInfo*& outUnitInfo) {
+    BOOL result = true;
+
+    if (CalcLeftUnitInfo())
+        outUnitInfo = mCurrUnitInfo;
+    else
+        result = false;
+
+    return result;
+}
+
+BOOL T2FInfoPtIterator::RightTenant(T2Tenant*& outTenant) {
+    BOOL found;
+    T2UnitInfo *unitInfo;
+
+    for (found = Right(unitInfo); found; found = Right(unitInfo)) {
+        unsigned int tenantID = unitInfo->GetTenantID();
+        if (tenantID != mLastIDSeen) {
+            mLastIDSeen = tenantID;
+            if (tenantID != 0) {
+                outTenant = mFloorInfo.mTenantArrayList->GetTenantByID(tenantID);
+                break;
+            }
+        }
+    }
+
+    return found;
+}
+
+BOOL T2FInfoPtIterator::LeftTenant(T2Tenant*& outTenant) {
+    BOOL found;
+    T2UnitInfo *unitInfo;
+
+    for (found = Left(unitInfo); found; found = Left(unitInfo)) {
+        unsigned int tenantID = unitInfo->GetTenantID();
+        if (tenantID != mLastIDSeen) {
+            mLastIDSeen = tenantID;
+            if (tenantID != 0) {
+                outTenant = mFloorInfo.mTenantArrayList->GetTenantByID(tenantID);
+                break;
+            }
+        }
+    }
+
+    return found;
+}
-- 
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