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/T2Animation.cpp | 136 +++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 123 insertions(+), 13 deletions(-)

(limited to 'src/T2DLL/T2Animation.cpp')

diff --git a/src/T2DLL/T2Animation.cpp b/src/T2DLL/T2Animation.cpp
index 5b4aea4..88f6abe 100644
--- a/src/T2DLL/T2Animation.cpp
+++ b/src/T2DLL/T2Animation.cpp
@@ -1,34 +1,144 @@
+#include "GlobalFunc.h"
 #include "T2Animation.h"
+#include "T2BitImage.h"
+#include "T2ImageObj.h"
+#include "T2PluginSpecifier.h"
+#include "T2TowerDoc.h"
+#include "T2TowerMainView.h"
 
-void T2Animation::Rewind() {
-}
+T2Animation::T2Animation(T2TowerDoc* inDoc, short inNumOfFrame, short inNumOfSprite, const SpriteDef* inSpriteDef, const AnimationDef* inAnimationDef, T2Sprite::ELayer inLayer) {
+    mDocument = inDoc;
+    mNumOfFrame = inNumOfFrame;
+    mNumOfSprite = inNumOfSprite;
+    mAnimationDef = inAnimationDef;
 
-int T2Animation::HasNextStep() const {
-}
+    mFrame = 0;
+    SetPt(&mPoint, 0, 0);
 
-int T2Animation::SetFrame(int) {
-}
+    int i;
 
-int T2Animation::GetFrame() const {
-}
+    short maxCount = 0;
+    for (i = 0; i < mNumOfSprite; i++) {
+        if (maxCount < inSpriteDef[i].count)
+            maxCount = inSpriteDef[i].count;
+    }
+
+    HINSTANCE theModuleHandle = inDoc->mWorldPluginSpecifier->mInstance;
+
+    mSpriteIndices = new int[inNumOfSprite];
+#line 41
+    _ASSERT(mSpriteIndices != NULL);
+
+    mImageObjs = (T2ImageObj **) malloc(sizeof(T2ImageObj *) * inNumOfSprite);
+#line 43
+    _ASSERT(mImageObjs != NULL);
+
+    mImages = (T2BitImage **) malloc(sizeof(T2BitImage *) * inNumOfSprite);
+#line 45
+    _ASSERT(mImages != NULL);
+
+    for (i = 0; i < mNumOfSprite; i++) {
+        CString name;
+        name.Format("__Anime__%d", i);
+
+        T2ImageObj *theImageObj = new T2ImageObj;
+        mImageObjs[i] = theImageObj;
+
+        T2BitImage *theImage = new T2BitImage(theModuleHandle, inSpriteDef[i].resID, true);
+        mImages[i] = theImage;
 
-T2Animation::T2Animation(T2TowerDoc*, short, short, const SpriteDef*, const AnimationDef*, T2Sprite::ELayer) {
+        RECT rect;
+        rect.left = 0;
+        rect.top = 0;
+        rect.right = inSpriteDef[i].width;
+        rect.bottom = inSpriteDef[i].height;
+
+        for (short j = 0; j < inSpriteDef[i].count; j++) {
+            theImageObj->AddObject(name, j + 1, *theImage, &rect, true, false);
+            OffsetRect(&rect, 0, inSpriteDef[i].height);
+        }
+
+        mSpriteIndices[i] = mDocument->mSprite.NewSprite(*theImageObj, name, inLayer);
+    }
 }
 
 T2Animation::~T2Animation() {
+    for (int i = 0; i < mNumOfSprite; i++)
+        mDocument->mSprite.DeleteSprite(mSpriteIndices[i]);
+    delete[] mSpriteIndices;
+
+    if (mImageObjs) {
+        for (int i = 0; i < mNumOfSprite; i++) {
+            if (mImageObjs[i])
+                delete mImageObjs[i];
+        }
+        free(mImageObjs);
+    }
+
+    if (mImages) {
+        for (int i = 0; i < mNumOfSprite; i++) {
+            if (mImages[i])
+                delete mImages[i];
+        }
+        free(mImages);
+    }
 }
 
-int T2Animation::Start(POINT, int) {
+BOOL T2Animation::Start(POINT inPt, int inLen) {
+    mPoint = inPt;
+    mInterval = 60 / inLen;
+    mTickCount = GetTickCount();
+
+    Draw();
+    return HasNextStep();
 }
 
-int T2Animation::Idle() {
+BOOL T2Animation::Idle() {
+    int newFrame = (GetTickCount() - mTickCount) / mInterval;
+    if (newFrame != mFrame) {
+        mFrame = newFrame;
+        Draw();
+    }
+
+    return HasNextStep();
 }
 
-void T2Animation::Play(POINT, int) {
+void T2Animation::Play(POINT inPt, int inLen) {
+    mPoint = inPt;
+
+    int delay = 60 / inLen;
+    int endTick = GetTickCount() + delay;
+    BOOL playing = mFrame < mNumOfFrame;
+
+    while (playing) {
+        playing = Step();
+        mDocument->GetTowerMainView()->tmv_vf120();
+
+        int now;
+        for (now = GetTickCount(); now < endTick; now = GetTickCount()) {
+            // nothing there!
+        }
+
+        endTick = now + delay;
+    }
 }
 
-int T2Animation::Step() {
+BOOL T2Animation::Step() {
+    Draw();
+    mFrame++;
+    return (mFrame < mNumOfFrame);
 }
 
 void T2Animation::Draw() {
+    if (HasNextStep()) {
+        for (int i = 0; i < mNumOfSprite; i++) {
+            const AnimationDef *def = mAnimationDef + (mFrame * mNumOfSprite) + i;
+
+            CPoint pt = mPoint;
+            pt.Offset(def->position);
+            mDocument->mSprite.MoveSprite(mSpriteIndices[i], pt);
+            mDocument->mSprite.ChangePattern(mSpriteIndices[i], def->pattern);
+            mDocument->mSprite.ShowSprite(mSpriteIndices[i], true);
+        }
+    }
 }
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