From c0c336500955a23e344651e5412c9d9d441ef4ee Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Wed, 28 Jun 2023 22:22:32 +0100
Subject: first pass of T2DLL

---
 src/T2DLL/T2DlgItemAnimation.cpp | 78 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 72 insertions(+), 6 deletions(-)

(limited to 'src/T2DLL/T2DlgItemAnimation.cpp')

diff --git a/src/T2DLL/T2DlgItemAnimation.cpp b/src/T2DLL/T2DlgItemAnimation.cpp
index ae5ff6b..b2f8589 100644
--- a/src/T2DLL/T2DlgItemAnimation.cpp
+++ b/src/T2DLL/T2DlgItemAnimation.cpp
@@ -1,25 +1,91 @@
+#include "GlobalFunc.h"
+#include "T2BitImage.h"
 #include "T2DlgItemAnimation.h"
+#include "T2ImageObj.h"
 
-T2DlgItemAnimation::T2DlgItemAnimation(T2TowerDoc*, T2ImageObj*, CPalette*) {
+T2DlgItemAnimation::T2DlgItemAnimation(T2TowerDoc* inDoc, T2ImageObj* inImageObj, CPalette* inPalette)
+    : T2DlgItem(inDoc, inImageObj, inPalette)
+{
+    mBitImage = NULL;
+    mImageObj = NULL;
+    mStartFrame = 0;
+    mDelay = 500;
+    mTimerCreated = false;
 }
 
 /*virtual*/ T2DlgItemAnimation::~T2DlgItemAnimation() {
+    if (mBitImage)
+        delete mBitImage;
+    if (mImageObj)
+        delete mImageObj;
 }
 
-/*virtual*/ int T2DlgItemAnimation::OnT2DlgItemEraseBkgnd(CDC*) {
+/*virtual*/ BOOL T2DlgItemAnimation::OnT2DlgItemEraseBkgnd(CDC* pDC) {
+    CRect rect;
+    GetClientRect(rect);
+
+    int save = pDC->SaveDC();
+    pDC->SelectPalette(mPalette, false);
+    pDC->RealizePalette();
+
+    if (mImageObj) {
+        int objID;
+    retry:
+        objID = mImageObj->FindObject("ANIM", mCurrentFrame);
+        if (objID == -1) {
+            mCurrentFrame = mStartFrame;
+            goto retry;
+        }
+
+        mImageObj->DrawObject(pDC, objID, rect);
+    }
+
+    pDC->RestoreDC(save);
+
+    return true;
 }
 
-void T2DlgItemAnimation::SetAnimation(HINSTANCE, int, int) {
+void T2DlgItemAnimation::SetAnimation(HINSTANCE inModule, int inResID, int unk) {
+    if (mBitImage)
+        delete mBitImage;
+    if (mImageObj)
+        delete mImageObj;
+
+#line 60
+    mBitImage = DEBUG_NEW T2BitImage(GetWorldModuleHandle(), inResID, true);
+    mImageObj = DEBUG_NEW T2ImageObj;
+    mImageObj->AddObject(GetWorldModuleHandle(), inResID, mBitImage);
+
+    mStartFrame = 0;
+    mCurrentFrame = 0;
 }
 
-void T2DlgItemAnimation::SetAnimationParam(int, int) {
+void T2DlgItemAnimation::SetAnimationParam(int inDelay, int inStartFrame) {
+    mDelay = inDelay;
+    mStartFrame = inStartFrame;
+
+    if (mTimerCreated) {
+        KillTimer(100);
+        SetTimer(100, mDelay, NULL);
+    }
 }
 
-/*virtual*/ int T2DlgItemAnimation::OnT2DlgItemCreate(CREATESTRUCTA*) {
+/*virtual*/ int T2DlgItemAnimation::OnT2DlgItemCreate(CREATESTRUCT*) {
+    SetTimer(100, mDelay, NULL);
+    mTimerCreated = true;
+    return 0;
 }
 
 /*virtual*/ void T2DlgItemAnimation::OnT2Close() {
+    KillTimer(100);
+    mTimerCreated = false;
 }
 
-/*virtual*/ void T2DlgItemAnimation::OnT2Timer(unsigned int) {
+/*virtual*/ void T2DlgItemAnimation::OnT2Timer(UINT id) {
+    if (id == 100) {
+        mCurrentFrame++;
+        InvalidateRect(NULL);
+    } else {
+        T2DlgItem::OnT2Timer(id);
+    }
 }
-- 
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