1 files changed, 350 insertions, 0 deletions
diff --git a/src/m/m2d.cpp b/src/m/m2d.cpp
new file mode 100644
index 00000000..dab95700
--- /dev/null
+++ b/src/m/m2d.cpp
@@ -0,0 +1,350 @@
+#include <egg/core/eggExpHeap.h>
+#include <egg/core/eggHeap.h>
+#include <egg/gfx/eggScreen.h>
+
+#include <m/m2d.h>
+
+#include <rvl/GX.h>
+#include <rvl/SC.h>
+
+namespace m2d {
+
+nw4r::ut::List l_list;
+mAllocator_c *l_allocator;
+
+void reset() {
+    nw4r::ut::List_Init(&l_list, 0);
+}
+
+bool init(mAllocator_c *allocator) {
+    nw4r::lyt::LytInit();
+    l_allocator = allocator;
+    nw4r::lyt::Layout::mspAllocator = allocator;
+    reset();
+    return true;
+}
+
+void create(EGG::Heap *heap, u32 size) {
+    if (size != 0) {
+        heap = EGG::ExpHeap::create(size, heap, 0);
+        // Supposed to be 2D表示用ヒープ(m2d::create), but creates a linux compile issue
+        heap->setName("2D\x95\x5C示用ヒープ(m2d::create)");
+    }
+    mAllocator_c *allocator = new (heap, 0x04) mAllocator_c();
+    allocator->attach(heap, 4);
+    init(allocator);
+}
+
+// TODO This is literally the first sbss2 symbol.
+extern "C" GXColor lbl_8057FFA0;
+
+void defaultSet() {
+    GXSetCullMode(GX_CULL_NONE);
+    GXSetZMode(false, GX_ALWAYS, false);
+    GXSetFog(GX_FOG_NONE, lbl_8057FFA0, 0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void draw(u8 priority) {
+    for (Base_c *base = static_cast<Base_c *>(nw4r::ut::List_GetFirst(&l_list)); base != nullptr;
+            base = static_cast<Base_c *>(nw4r::ut::List_GetNext(&l_list, base))) {
+        if (base->mPriority >= priority) {
+            break;
+        }
+        base->draw();
+    }
+}
+
+void drawBefore(u8 priority) {
+    for (Base_c *base = static_cast<Base_c *>(nw4r::ut::List_GetFirst(&l_list)); base != nullptr;
+            base = static_cast<Base_c *>(nw4r::ut::List_GetNext(&l_list, base))) {
+        if (base->mPriority > priority) {
+            base->draw();
+        }
+    }
+}
+
+// Despite the name this *updates* Lyt's allocator
+void getAllocator() {
+    nw4r::lyt::Layout::mspAllocator = l_allocator;
+}
+
+nw4r::lyt::AnimTransform *Layout_c::CreateAnimTransform(const void *animResBuf, nw4r::lyt::ResourceAccessor *pResAcsr) {
+    nw4r::lyt::AnimTransform *result = nw4r::lyt::Layout::CreateAnimTransform(animResBuf, pResAcsr);
+    if (result != nullptr) {
+        GetAnimTransformList().Erase(result);
+    }
+    return result;
+}
+
+ResAccIfBase_c::~ResAccIfBase_c() {}
+ResAccIf_c::~ResAccIf_c() {}
+
+nw4r::lyt::ArcResourceAccessor *ResAccIf_c::getAccessor() {
+    return &mAccessor;
+}
+
+void ResAccIf_c::noop() {}
+
+void ResAccIf_c::attach(void *data, const char *name) {
+    mAccessor.Attach(data, name);
+}
+void ResAccIf_c::detach() {
+    mAccessor.Detach();
+}
+
+FrameCtrl_c::~FrameCtrl_c() {}
+
+void FrameCtrl_c::play() {
+    mPrevFrame = mCurrFrame;
+    f32 newFrame;
+    if (isBackwards()) {
+        if (mCurrFrame >= mRate) {
+            newFrame = mCurrFrame - mRate;
+        } else {
+            if (notLooping()) {
+                newFrame = 0.0f;
+            } else {
+                newFrame = mCurrFrame + (mEndFrame - mRate);
+            }
+        }
+    } else {
+        newFrame = mCurrFrame + mRate;
+        if (notLooping()) {
+            f32 forwardsEnd = mEndFrame - 1.0f;
+            if (newFrame > forwardsEnd) {
+                newFrame = forwardsEnd;
+            }
+        } else {
+            if (newFrame >= mEndFrame) {
+                newFrame = newFrame - mEndFrame;
+            }
+        }
+    }
+
+    mCurrFrame = newFrame;
+}
+
+void FrameCtrl_c::set(f32 endFrame, u8 flags, f32 rate, f32 currFrame) {
+    if (currFrame < 0.0f) {
+        currFrame = 0.0f;
+    }
+    mEndFrame = endFrame;
+    mCurrFrame = currFrame;
+    setRate(rate);
+    mFlags = flags;
+    mPrevFrame = mCurrFrame;
+}
+
+void FrameCtrl_c::setFrame(f32 frame) {
+    mCurrFrame = frame;
+    mPrevFrame = frame;
+}
+
+void FrameCtrl_c::setRate(f32 rate) {
+    mRate = rate;
+}
+
+bool FrameCtrl_c::isStop() const {
+    f32 actualEnd;
+    switch (mFlags) {
+    case FLAG_NO_LOOP:
+        actualEnd = mEndFrame - 1.0f;
+        return mCurrFrame >= actualEnd;
+    case FLAG_NO_LOOP | FLAG_BACKWARDS:
+        return mCurrFrame <= 0;
+    default:
+        return false;
+    }
+}
+
+f32 FrameCtrl_c::getEndFrame() const {
+    if (isBackwards()) {
+        if (notLooping()) {
+            return mEndFrame - 1.0f;
+        }
+        return mEndFrame;
+    }
+
+    return 0.0f;
+}
+
+f32 FrameCtrl_c::getEndFrame2() const {
+    if (isBackwards()) {
+        return 0.0f;
+    }
+    if (notLooping()) {
+        return mEndFrame - 1.0f;
+    }
+    return mEndFrame;
+}
+
+bool FrameCtrl_c::isStop2() const {
+    if (isBackwards()) {
+        return mCurrFrame <= 0.0f;
+    }
+    if (notLooping()) {
+        f32 actualEnd = mEndFrame - 1.0f;
+        return mCurrFrame >= actualEnd;
+    }
+    return mCurrFrame >= mEndFrame;
+}
+
+Anm_c::~Anm_c() {
+    destroySomething();
+}
+
+bool Anm_c::doSomething(const char *path, ResAccIf_c *acc) {
+    if (mpTransform != nullptr) {
+        destroySomething();
+    }
+
+    static Layout_c l_layout;
+
+    void *resource = acc->getAccessor()->GetResource(0, path, nullptr);
+    nw4r::lyt::AnimTransform *transform = l_layout.CreateAnimTransform(resource, acc->getAccessor());
+    if (transform == nullptr) {
+        return false;
+    }
+
+    setTransform(transform);
+    return true;
+}
+
+void Anm_c::setTransform(nw4r::lyt::AnimTransform *transform) {
+    mpTransform = transform;
+    u8 flags = 1;
+    if (mpTransform->IsLoopData()) {
+        flags = 0;
+    }
+    set(mpTransform->GetFrameSize(), flags, 1.0f, -1.0);
+}
+
+void Anm_c::destroySomething() {
+    if (mpTransform != nullptr) {
+        mpTransform->~AnimTransform();
+        nw4r::lyt::Layout::FreeMemory(mpTransform);
+        mpTransform = nullptr;
+    }
+}
+
+void Anm_c::set(f32 endFrame, u8 flags, f32 rate, f32 currFrame) {
+    mFrameCtrl.set(endFrame, flags, rate, currFrame);
+    updateFrame();
+}
+
+void Anm_c::setFrame(f32 frame) {
+    mFrameCtrl.setFrame(frame);
+    updateFrame();
+}
+
+void Anm_c::updateFrame() {
+    mpTransform->SetFrame(mFrameCtrl.getFrame());
+}
+
+void Anm_c::play() {
+    mFrameCtrl.play();
+    updateFrame();
+}
+
+Base_c::~Base_c() {}
+void Base_c::draw() {}
+
+void Base_c::addToDrawList() {
+    Base_c *target = static_cast<Base_c *>(nw4r::ut::List_GetFirst(&l_list));
+    while (target != nullptr) {
+        if (target->mPriority > mPriority) {
+            nw4r::ut::List_Insert(&l_list, target, this);
+            return;
+        }
+
+        target = static_cast<Base_c *>(nw4r::ut::List_GetNext(&l_list, target));
+    }
+    nw4r::ut::List_Append(&l_list, this);
+}
+
+Simple_c::~Simple_c() {}
+Simple_c::Simple_c() : Base_c(0x80), mLayout(), mDrawInfo(), mpResAcc(nullptr), mVec(0.0f, 0.0f, 0.0f), field_0x94(0) {
+    if (SCGetAspectRatio() == 1) {
+        mDrawInfo.SetLocationAdjustScale(nw4r::math::VEC2(EGG::Screen::GetAdjustScale(), 1.0f));
+        mDrawInfo.SetLocationAdjust(true);
+    }
+}
+
+void Simple_c::calc() {
+    calcBefore();
+    nw4r::math::MTX34 mtx;
+    PSMTXIdentity(mtx.m);
+    // Probably inlines
+    mVec3_c v = mVec;
+    PSMTXTransApply(mtx.m, mtx.m, v.x, v.y, v.z);
+    mDrawInfo.SetViewMtx(mtx);
+    calcAfter();
+}
+
+void Simple_c::calcBefore() {
+    u32 flag = 0;
+    if ((field_0x94 & 1) != 0) {
+        flag = 1;
+    }
+    mLayout.Animate(flag);
+}
+
+void Simple_c::calcAfter() {
+    mDrawInfo.SetViewRect(mLayout.GetLayoutRect());
+    mLayout.CalculateMtx(mDrawInfo);
+}
+
+void Simple_c::draw() {
+    nw4r::ut::Rect r = mLayout.GetLayoutRect();
+    f32 near = 0.0f;
+    f32 far = 500.0f;
+    EGG::Screen s;
+    bool needsAdjust = EGG::Screen::GetTVMode() == EGG::Screen::TV_MODE_2;
+    f32 f1 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_2);
+    f32 f2 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_1);
+
+    f32 left = needsAdjust ? f1 * r.left / f2 : r.left;
+    f32 right = needsAdjust ? f1 * r.right / f2 : r.right;
+    s.SetProjectionType(EGG::Frustum::PROJ_ORTHO);
+    s.ResetOrthographic(r.top, r.bottom, left, right, near, far);
+    if (needsAdjust) {
+        s.SetScale(nw4r::math::VEC3(f2 / f1, 1.0f, 1.0f));
+    }
+    s.SetProjectionGX();
+    mLayout.Draw(mDrawInfo);
+}
+
+bool Simple_c::build(const char *name, ResAccIf_c *acc) {
+    if (mLayout.GetRootPane() != nullptr) {
+        return true;
+    }
+    if (acc == nullptr) {
+        acc = mpResAcc;
+        if (acc == nullptr) {
+            return false;
+        }
+    }
+
+    void *resource = acc->getAccessor()->GetResource(0, name, nullptr);
+    if (resource == nullptr) {
+        return false;
+    } else {
+        bool success = mLayout.Build(resource, acc->getAccessor());
+        if (success) {
+            calc();
+        }
+        return success;
+    }
+}
+
+void Simple_c::bind(Anm_c *anm) {
+    anm->setBound();
+    mLayout.BindAnimation(anm->getTransform());
+}
+
+void Simple_c::unbind(Anm_c *anm) {
+    anm->setUnbound();
+    mLayout.UnbindAnimation(anm->getTransform());
+}
+
+} // namespace m2d