Some frustum/screen

5 files changed, 586 insertions, 9 deletions

diff --git a/src/d/lyt/d2d.cpp b/src/d/lyt/d2d.cpp
index c69bada8..d33c741e 100644
--- a/src/d/lyt/d2d.cpp
+++ b/src/d/lyt/d2d.cpp
@@ -164,7 +164,7 @@ nw4r::lyt::AnimTransform *Layout_c::CreateAnimTransform(const void *animResBuf,
 
 Multi_c::Multi_c() : Base_c(0x80), mLayout(), mDrawInfo(), mpResAcc(nullptr), mFlags(0) {
     mDrawInfo.SetLocationAdjustScale(nw4r::math::VEC2(
-        (f32)EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_1) / (f32)EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_2),
+        (f32)EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_4_3) / (f32)EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_16_9),
         1.0f
     ));
     mDrawInfo.SetLocationAdjust(true);
@@ -207,8 +207,8 @@ void Multi_c::draw() {
     f32 far = 500.0f;
     EGG::Screen s;
     bool needsAdjust = NeedsScreenAdjustment();
-    f32 f1 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_2);
-    f32 f2 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_1);
+    f32 f1 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_UNK_3);
+    f32 f2 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_16_9);
 
     f32 left = needsAdjust ? f1 * r.left / f2 : r.left;
     f32 right = needsAdjust ? f1 * r.right / f2 : r.right;
diff --git a/src/egg/gfx/eggFrustum.cpp b/src/egg/gfx/eggFrustum.cpp
index c060e519..d7c9e039 100644
--- a/src/egg/gfx/eggFrustum.cpp
+++ b/src/egg/gfx/eggFrustum.cpp
@@ -1,3 +1,240 @@
 #include "egg/gfx/eggFrustum.h"
 
-namespace EGG {} // namespace EGG
+#include "egg/gfx/eggGXUtility.h"
+#include "egg/gfx/eggStateGX.h"
+#include "nw4r/math/math_arithmetic.h"
+
+
+void eggFrustum_float_ordering() {
+    1.0f;
+}
+
+namespace EGG {
+using namespace nw4r;
+
+Frustum::Frustum(ProjectionType proj, const math::VEC2 &size, f32 nearZ, f32 farZ, CanvasMode canvas)
+    : mProjType(proj),
+      mCanvasMode(canvas),
+      mSize(size),
+      mFovY(45.0f),
+      mTanFovY(2.4142134f),
+      mNearZ(nearZ),
+      mFarZ(farZ),
+      mOffset(0.0f, 0.0f),
+      mScale(1.0f, 1.0f, 1.0f),
+      mFlags(FLAG_DIRTY) {}
+
+Frustum::Frustum(const Frustum &other) {
+    CopyFromAnother(other);
+}
+
+void Frustum::ResetOrthographic(f32 t, f32 b, f32 l, f32 r, f32 near, f32 far) {
+    0.5f;
+    2.0f;
+
+    mProjType = PROJ_ORTHO;
+    mScale.z = 1.0f;
+    mScale.y = 1.0f;
+    mScale.x = 1.0f;
+    mSize.x = r - l;
+    if (mSize.x < 0.0f) {
+        mScale.x = -1.0f;
+        mSize.x *= -1.0f;
+    }
+
+    mSize.y = t - b;
+    if (mSize.y >= 0.0f) {
+        SetCanvasMode(CANVASMODE_0);
+        mOffset = math::VEC2(0.5f * (r + l), 0.5f * (t + b));
+    } else {
+        SetCanvasMode(CANVASMODE_1);
+        mOffset = math::VEC2(0.0f, t);
+        mSize.y *= -1.0f;
+    }
+    mNearZ = near;
+    mFarZ = far;
+    SetFlag(1);
+}
+
+void Frustum::CopyFromAnother(const Frustum &other) {
+    mProjType = other.mProjType;
+    mCanvasMode = other.mCanvasMode;
+    mSize = other.mSize;
+    mFovY = other.mFovY;
+    mTanFovY = other.mTanFovY;
+    mNearZ = other.mNearZ;
+    mFarZ = other.mFarZ;
+    mOffset = other.mOffset;
+    mScale = other.mScale;
+    mFlags = other.mFlags;
+}
+
+void Frustum::SetFovy(f32 fov) {
+    if (mFovY != fov) {
+        mFovY = fov;
+        f32 sin, cos;
+
+        math::SinCosDeg(&sin, &cos, (f32)(f64)fov / 2.0f);
+        mTanFovY = cos / sin;
+    }
+}
+
+void Frustum::ConvertToCanvasLU(f32 ix, f32 iy, f32 *ox, f32 *oy) const {
+    if (mCanvasMode == CANVASMODE_1) {
+        *ox = ix;
+        *oy = iy;
+    } else if (mCanvasMode == CANVASMODE_0) {
+        *ox = ix + (mSize.x * 0.5f);
+        *oy = -(iy - (mSize.y * 0.5f));
+    }
+}
+
+f32 Frustum::GetScreenSizeToViewSize(f32 p1, f32 p2) const {
+    if (mProjType != PROJ_PERSP) {
+        return p1;
+    }
+    return p1 * math::FAbs(p2) / (mSize.y * 0.5f * mTanFovY);
+}
+
+void Frustum::SetProjectionGX() const {
+    if (mProjType == PROJ_ORTHO) {
+        SetProjectionOrthographicGX_();
+    } else {
+        SetProjectionPerspectiveGX_();
+    }
+}
+
+void Frustum::CopyToG3D(g3d::Camera cam) const {
+    if (mProjType == PROJ_ORTHO) {
+        CopyToG3D_Orthographic_(cam);
+    } else {
+        CopyToG3D_Perspective_(cam);
+    }
+}
+
+void Frustum::SetGlobalScaleOffset(f32 sx, f32 sy, f32 ox, f32 oy) {
+    sGlobalScale.x = sx;
+    sGlobalScale.y = sy;
+    sGlobalOffset.x = ox;
+    sGlobalOffset.y = oy;
+}
+
+void Frustum::GetGlobalScaleOffset(f32 *sx, f32 *sy, f32 *ox, f32 *oy) {
+    *sx = sGlobalScale.x;
+    *sy = sGlobalScale.y;
+    *ox = sGlobalOffset.x;
+    *oy = sGlobalOffset.y;
+}
+
+void Frustum::SetProjectionPerspectiveGX_() const {
+    f32 params[7];
+    GetPerspectiveParam_(params);
+    StateGX::GXSetProjectionv_(params);
+}
+
+void Frustum::SetProjectionOrthographicGX_() const {
+    f32 v[8];
+    GetOrthographicParam_(v);
+    StateGX::GXSetProjectionv_(v);
+}
+
+void Frustum::CopyToG3D_Perspective_(g3d::Camera cam) const {
+    math::MTX44 mtx;
+    f32 ratio = mSize.x / mSize.y;
+    cam.SetPerspective(mFovY, ratio, mNearZ, mFarZ);
+    CalcMtxPerspective_(&mtx);
+    cam.SetProjectionMtxDirectly(&mtx);
+}
+
+void Frustum::CopyToG3D_Orthographic_(g3d::Camera cam) const {
+    f32 t, b, l, r;
+    GetOrthographicParam_(&t, &b, &l, &r);
+    cam.SetOrtho(t, b, l, r, mNearZ, mFarZ);
+}
+
+void Frustum::CalcMtxPerspective_(math::MTX44 *out) const {
+    f32 params[7];
+    GetPerspectiveParam_(params);
+
+    out->m[0][3] = 0.0f;
+    out->m[0][1] = 0.0f;
+    out->m[0][0] = params[1];
+    out->m[0][2] = params[2];
+
+    out->m[1][3] = 0.0f;
+    out->m[1][0] = 0.0f;
+    out->m[1][1] = params[3];
+    out->m[1][2] = params[4];
+
+    out->m[2][1] = 0.0f;
+    out->m[2][0] = 0.0f;
+    out->m[2][2] = params[5];
+    out->m[2][3] = params[6];
+
+    out->m[3][3] = 0.0f;
+    out->m[3][1] = 0.0f;
+    out->m[3][0] = 0.0f;
+    out->m[3][2] = -1.0f;
+}
+
+void Frustum::GetPerspectiveParam_(f32 *p) const {
+    // NONMATCHING - FPR regswaps
+    f32 f1 = 1.0f / (mSize.x * 0.5f);
+    f32 f2 = 1.0f / (mSize.y * 0.5f);
+    p[0] = 0.0f;
+    p[1] = (mTanFovY / (mScale.x * (mSize.x / mSize.y)));
+    p[2] = mOffset.x * f1;
+    p[3] = mTanFovY / mScale.y;
+    p[4] = mOffset.y * f2;
+
+    f32 z = -mNearZ / (mFarZ - mNearZ);
+    p[5] = z;
+    p[6] = mFarZ * z;
+
+    GXUtility::setScaleOffsetPerspective(p, sGlobalScale.x, sGlobalScale.y, sGlobalOffset.x * f1, sGlobalOffset.y * f2);
+}
+
+void Frustum::GetOrthographicParam_(f32 *p) const {
+    f32 t, b, l, r;
+    GetOrthographicParam_(&t, &b, &l, &r);
+
+    f32 invHor = 1.0f / (r - l);
+    f32 invVert = 1.0f / (t - b);
+    f32 invZ = 1.0f / (mFarZ - mNearZ);
+    
+    p[0] = 1.0f;
+    p[1] = invHor * 2.0f;
+    p[3] = invVert * 2.0f;
+    
+    p[2] = invHor * -(r + l);
+    p[4] = invVert * -(t + b);
+    p[5] = -1.0f * invZ;
+    p[6] = -mFarZ * invZ;
+}
+
+void Frustum::GetOrthographicParam_(f32 *pT, f32 *pB, f32 *pL, f32 *pR) const {
+    f32 adjOffsetX = mOffset.x + sGlobalOffset.x;
+    f32 adjOffsetY = mOffset.y + sGlobalOffset.y;
+
+    if (mCanvasMode == CANVASMODE_0) {
+        const math::VEC2 adjScale(mScale.x * sGlobalScale.x, mScale.y * sGlobalScale.y);
+
+        *pT = adjScale.y * ((0.5f * mSize.y) + adjOffsetY);
+        *pB = adjScale.y * ((-0.5f * mSize.y) + adjOffsetY);
+        *pL = adjScale.x * ((-0.5f * mSize.x) + adjOffsetX);
+        *pR = adjScale.x * ((0.5f * mSize.x) + adjOffsetX);
+    } else if (mCanvasMode == CANVASMODE_1) {
+        f32 adjScaleX = -(sGlobalScale.x - 1.0f) * mSize.x / 2.0f;
+        f32 adjScaleY = -(sGlobalScale.y - 1.0f) * mSize.y / 2.0f;
+
+        *pT = adjScaleY + -sGlobalScale.y * adjOffsetY;
+        *pB = adjScaleY + -sGlobalScale.y * (adjOffsetY + mSize.y * -1.0f * mScale.y);
+        *pL = adjScaleX + sGlobalScale.x * adjOffsetX;
+        *pR = adjScaleX + sGlobalScale.x * (adjOffsetX + mSize.x * mScale.x);
+    }
+}
+
+math::VEC2 Frustum::sGlobalScale(1.0f, 1.0f);
+math::VEC2 Frustum::sGlobalOffset(0.0f, 0.0f);
+
+} // namespace EGG
diff --git a/src/egg/gfx/eggPostEffectBase.cpp b/src/egg/gfx/eggPostEffectBase.cpp
index 9ecead4a..bf824907 100644
--- a/src/egg/gfx/eggPostEffectBase.cpp
+++ b/src/egg/gfx/eggPostEffectBase.cpp
@@ -153,7 +153,7 @@ void PostEffectBase::setProjection(const Screen &screen) {
 
     Screen screenCpy(screen);
     screenCpy.SetFlag(Screen::FLAG_0x40);
-    screenCpy.SetCanvasMode(Screen::CANVAS_1);
+    screenCpy.SetCanvasMode(Screen::CANVASMODE_1);
     screenCpy.SetProjectionType(Screen::PROJ_ORTHO);
     screenCpy.SetNearFar(0.0f, 1.0f);
     screenCpy.SetScale(sScale);
diff --git a/src/egg/gfx/eggScreen.cpp b/src/egg/gfx/eggScreen.cpp
index 66b80c4e..af26dc25 100644
--- a/src/egg/gfx/eggScreen.cpp
+++ b/src/egg/gfx/eggScreen.cpp
@@ -1,3 +1,343 @@
 #include "egg/gfx/eggScreen.h"
 
-namespace EGG {} // namespace EGG
+#include "common.h"
+#include "egg/gfx/eggDrawGX.h"
+#include "egg/gfx/eggStateGX.h"
+#include "rvl/SC/scapi.h"
+
+
+// ported from OGWS, though this class has evolved a fair bit
+
+using namespace nw4r;
+
+namespace EGG {
+
+Screen::TVMode Screen::sTVMode;
+Screen::TVModeInfo Screen::sTVModeInfo[TV_MODE_MAX] = {
+    {
+     608, 456,
+     nw4r::math::VEC2(1.0526316f, 1.0f),
+     },
+    {
+     812, 456,
+     nw4r::math::VEC2(0.7881773, 1.0f),
+     },
+    {
+     640, 456,
+     nw4r::math::VEC2(1.0f, 1.0f),
+     }
+};
+
+Screen *Screen::spRoot = nullptr;
+
+Screen::ChangeTVModeFunc Screen::sChangeTVModeFunc = nullptr;
+void *Screen::spChangeTVModeFuncInfo = nullptr;
+
+math::VEC2 Screen::sCanvasScale(1.0f, 1.0f);
+math::VEC2 Screen::sCanvasOffset(0.0f, 0.0f);
+
+void Screen::Initialize(const u16 *maxX, const u16 *maxY, Screen *userRoot) {
+
+    sTVModeInfo[TV_MODE_4_3].width = maxX[0];
+    sTVModeInfo[TV_MODE_4_3].height = maxY[0];
+    
+    sTVModeInfo[TV_MODE_4_3].ratios.x = (f32)StateGX::s_widthEfb / (f32)sTVModeInfo[TV_MODE_4_3].width;
+    sTVModeInfo[TV_MODE_4_3].ratios.y = (f32)StateGX::s_heightEfb / (f32)sTVModeInfo[TV_MODE_4_3].height;
+    
+    sTVModeInfo[TV_MODE_16_9].width = maxX[1];
+    sTVModeInfo[TV_MODE_16_9].height = maxY[1];
+
+    sTVModeInfo[TV_MODE_16_9].ratios.x = (f32)StateGX::s_widthEfb / (f32)sTVModeInfo[TV_MODE_16_9].width;
+    sTVModeInfo[TV_MODE_16_9].ratios.y = (f32)StateGX::s_heightEfb / (f32)sTVModeInfo[TV_MODE_16_9].height;
+    
+    sTVModeInfo[TV_MODE_UNK_3].width = StateGX::s_widthEfb;
+    sTVModeInfo[TV_MODE_UNK_3].height = StateGX::s_heightEfb;
+    
+    sTVModeInfo[TV_MODE_UNK_3].ratios.x = 1.0f;
+    sTVModeInfo[TV_MODE_UNK_3].ratios.y = 1.0f;
+
+    static Screen defaultRoot;
+    defaultRoot.SetProjectionType(PROJ_ORTHO);
+    defaultRoot.SetCanvasMode(CANVASMODE_1);
+    defaultRoot.SetNearZ(0.0f);
+    defaultRoot.SetFarZ(1.0f);
+    defaultRoot.SetSize(math::VEC2(sTVModeInfo[sTVMode].width, sTVModeInfo[sTVMode].height));
+
+    userRoot = (userRoot == nullptr) ? &defaultRoot : userRoot;
+    spRoot = userRoot;
+    userRoot->mParent = nullptr;
+    SetTVMode(sTVMode);
+}
+
+Screen::Screen()
+    : Frustum(
+          PROJ_PERSP, math::VEC2(sTVModeInfo[sTVMode].width, sTVModeInfo[sTVMode].height), 10.0f, 100000.0f,
+          CANVASMODE_1
+      ) {
+    mParent = nullptr;
+    mPosition.x = 0.0f;
+    mPosition.y = 0.0f;
+    field_0x44.x = 0.0f;
+    field_0x44.y = 0.0f;
+    field_0x48.x = 0.0f;
+    field_0x48.y = 0.0f;
+    SetParent(nullptr);
+}
+
+Screen::Screen(f32 x, f32 y, f32 w, f32 h, const Screen *userRoot, CanvasMode canvasMode)
+    : Frustum(PROJ_PERSP, math::VEC2(w, h), 10.0f, 100000.0f, canvasMode) {
+    mParent = nullptr;
+    mPosition.x = x;
+    mPosition.y = y;
+    field_0x44.x = 0.0f;
+    field_0x44.y = 0.0f;
+    field_0x48.x = 0.0f;
+    field_0x48.y = 0.0f;
+    SetParent(userRoot);
+}
+
+Screen::Screen(const Screen &other)
+    : Frustum(other),
+      mPosition(other.mPosition),
+      mDataEfb(other.mDataEfb),
+      field_0x44(other.field_0x44),
+      field_0x48(other.field_0x48) {
+    SetParent(other.mParent);
+}
+
+void Screen::SetProjectionGX() const {
+    if (!(mFlags & 0x40)) {
+        f32 sx, sy, ox, oy;
+        GetGlobalScaleOffset(&sx, &sy, &ox, &oy);
+
+        SetGlobalScaleOffset(sCanvasScale.x, sCanvasScale.y, sCanvasOffset.x, sCanvasOffset.y);
+        Frustum::SetProjectionGX();
+
+        SetGlobalScaleOffset(sx, sy, ox, oy);
+    } else {
+        Frustum::SetProjectionGX();
+    }
+
+    const DataEfb &efb = GetDataEfb();
+
+    StateGX::GXSetViewport_(efb.vp.x1, efb.vp.y1, efb.vp.x2, efb.vp.y2, efb.vp.z1, efb.vp.z2);
+    StateGX::GXSetScissor_(efb.sc_x, efb.sc_y, efb.sc_w, efb.sc_h);
+    StateGX::GXSetScissorBoxOffset_(efb.sc_ox, efb.sc_oy);
+}
+
+void Screen::CopyToG3D(g3d::Camera cam) const {
+    if (!(mFlags & 0x40)) {
+        f32 sx, sy, ox, oy;
+        GetGlobalScaleOffset(&sx, &sy, &ox, &oy);
+
+        SetGlobalScaleOffset(sCanvasScale.x, sCanvasScale.y, sCanvasOffset.x, sCanvasOffset.y);
+        Frustum::CopyToG3D(cam);
+
+        SetGlobalScaleOffset(sx, sy, ox, oy);
+    } else {
+        Frustum::CopyToG3D(cam);
+    }
+
+    const DataEfb &efb = GetDataEfb();
+
+    f32 x1, x2, y1, y2;
+    f32 z1, z2;
+
+    y2 = efb.vp.y2;
+    x2 = efb.vp.x2;
+
+    y1 = efb.vp.y1;
+    x1 = efb.vp.x1;
+
+    z2 = efb.vp.z2;
+    z1 = efb.vp.z1;
+
+    cam.SetViewport(x1, y1, x2, y2);
+    cam.SetViewportZRange(z1, z2);
+    cam.SetScissor(efb.sc_x, efb.sc_y, efb.sc_w, efb.sc_h);
+    cam.SetScissorBoxOffset(efb.sc_ox, efb.sc_oy);
+}
+
+void Screen::CopyFromAnother(const Screen &other) {
+    Frustum::CopyFromAnother(other);
+
+    mPosition = other.mPosition;
+    field_0x44 = other.field_0x44;
+    field_0x48 = other.field_0x48;
+    mDataEfb = other.mDataEfb;
+    mParent = other.mParent;
+}
+
+void Screen::Reset(f32 x, f32 y, f32 w, f32 h, CanvasMode mode) {
+    mPosition.x = x;
+    mPosition.y = y;
+    mSize.x = w;
+    SetDirty(true);
+    mSize.y = h;
+    SetCanvasMode(mode);
+}
+
+void Screen::SetParent(const Screen *parent) {
+    const Screen *newParent = parent != nullptr ? parent : spRoot;
+
+    if (mParent != newParent) {
+        SetDirty(true);
+        mParent = newParent;
+    }
+}
+
+void Screen::SetUnkFlag8() {
+    if ((mFlags & 0x8) == 0) {
+        SetDirty(true);
+    }
+    mFlags |= 0x8;
+}
+
+void Screen::GetPosSizeInEfb() const {
+    // TODO
+    const TVMode tvMode = (!(mFlags & 0x20)) ? sTVMode : TV_MODE_4_3;
+    const TVModeInfo &tvRatio = sTVModeInfo[tvMode];
+
+    f32 *px = &mDataEfb.vp.x1;
+    f32 *py = &mDataEfb.vp.y1;
+    GetGlobalPos(px, py);
+
+    *px = sCanvasScale.x * *px;
+    *py = sCanvasScale.y * *py;
+
+    *px *= tvRatio.ratios.x;
+    *py *= tvRatio.ratios.y;
+
+    mDataEfb.sc_oy = 0;
+    mDataEfb.sc_ox = 0;
+
+    const f32 x = *px;
+    if (x < 0.0f) {
+        *px = 0.0f;
+
+        const s32 lx = static_cast<s32>(-x);
+        mDataEfb.sc_ox = lx - (lx & 0x1);
+    }
+
+    const f32 y = *py;
+    if (y < 0.0f) {
+        *py = 0.0f;
+
+        const s32 ly = static_cast<s32>(-y);
+        mDataEfb.sc_oy = ly - (ly & 0x1);
+    }
+
+    if (mFlags & 0x2) {
+        *px -= static_cast<s32>(*px) & 0x1;
+        *py -= static_cast<s32>(*py) & 0x1;
+    }
+
+    *px = static_cast<s32>(*px);
+    *py = static_cast<s32>(*py);
+
+    mDataEfb.vp.x2 = mSize.x;
+    mDataEfb.vp.y2 = mSize.y;
+
+    if (!(mFlags & 0x8)) {
+        mDataEfb.vp.x2 = mSize.x * tvRatio.ratios.x;
+        mDataEfb.vp.y2 = mSize.y * tvRatio.ratios.y;
+    }
+
+    if (mFlags & 0x4) {
+        mDataEfb.vp.x2 -= static_cast<s32>(mDataEfb.vp.x2) & 0x3;
+        mDataEfb.vp.y2 -= static_cast<s32>(mDataEfb.vp.y2) & 0x3;
+    }
+
+    mDataEfb.vp.x2 = (mDataEfb.vp.x2 >= 0.0f) ? mDataEfb.vp.x2 : 0.0f;
+    mDataEfb.vp.y2 = (mDataEfb.vp.y2 >= 0.0f) ? mDataEfb.vp.y2 : 0.0f;
+
+    mDataEfb.vp.x2 = static_cast<s32>(mDataEfb.vp.x2);
+    mDataEfb.vp.y2 = static_cast<s32>(mDataEfb.vp.y2);
+}
+
+const Screen::DataEfb &Screen::GetDataEfb() const {
+    if (IsChangeEfb()) {
+        GetPosSizeInEfb();
+        mDataEfb.vp.z1 = 0.0f;
+        mDataEfb.vp.z2 = 1.0f;
+        SetDirty(false);
+    }
+
+    return mDataEfb;
+}
+
+bool Screen::IsChangeEfb() const {
+    if (mFlags & FLAG_DIRTY) {
+        return true;
+    }
+
+    if (mParent != nullptr) {
+        return mParent->IsChangeEfb();
+    }
+
+    return false;
+}
+
+void Screen::CalcMatrixForDrawQuad(math::MTX34 *mtx, f32 x, f32 y, f32 sx, f32 sy) const {
+    PSMTXScale(*mtx, sx, sy, 1.0f);
+
+    mtx->m[0][3] = x;
+    mtx->m[1][3] = mCanvasMode == CANVASMODE_0 ? y - sy : y;
+    mtx->m[2][3] = 0.0f;
+}
+
+void Screen::FillBufferGX(u32 flags, GXColor color, u32 r6) const {
+    if (flags != 0) {
+        math::MTX34 drawMtx;
+        Screen clone(mPosition.x, mPosition.y, mSize.x, mSize.y, mParent, CANVASMODE_1);
+
+        if ((mFlags & 0x8) != 0) {
+            clone.SetUnkFlag8();
+        }
+
+        clone.SetNearZ(0.0f);
+        clone.SetFarZ(1.0f);
+        clone.SetFlag(0x40);
+        clone.SetProjectionType(PROJ_ORTHO);
+
+        clone.SetProjectionGX();
+        clone.CalcMatrixForDrawQuad(&drawMtx, 0.0f, 0.0f, mSize.x, mSize.y);
+        // Ugh
+        DrawGX::ClearEfb(drawMtx, (flags & 1) != 0, (flags & 2) != 0, (flags & 4) != 0, color, true);
+    }
+}
+
+void Screen::GetGlobalPos(f32 *ox, f32 *oy) const {
+    f32 px, py;
+    const Screen *parent = GetParent();
+
+    if (parent != nullptr) {
+        parent->GetGlobalPos(&px, &py);
+        parent->ConvertToCanvasLU(mPosition.x, mPosition.y, ox, oy);
+
+        *ox += px;
+        *oy += py;
+    } else {
+
+        *ox = mPosition.x;
+        *oy = mPosition.y;
+    }
+}
+
+void Screen::SetTVMode(TVMode tvMode) {
+    sTVMode = tvMode;
+    if (spRoot != nullptr) {
+        spRoot->SetSizeX(GetSizeXMax());
+        spRoot->SetSizeY(GetSizeYMax());
+    }
+
+    if (sChangeTVModeFunc != nullptr) {
+        sChangeTVModeFunc(spChangeTVModeFuncInfo);
+    }
+}
+
+void Screen::SetTVModeDefault() {
+    SetTVMode(SCGetAspectRatio() == SC_ASPECT_STD ? TV_MODE_4_3 : TV_MODE_16_9);
+}
+
+} // namespace EGG
diff --git a/src/m/m2d.cpp b/src/m/m2d.cpp
index 9f591a69..3f2ec24d 100644
--- a/src/m/m2d.cpp
+++ b/src/m/m2d.cpp
@@ -295,9 +295,9 @@ void Simple_c::draw() {
     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);
+    bool needsAdjust = EGG::Screen::GetTVMode() == EGG::Screen::TV_MODE_16_9;
+    f32 f1 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_16_9);
+    f32 f2 = EGG::Screen::GetSizeXMax(EGG::Screen::TV_MODE_4_3);
 
     f32 left = needsAdjust ? f1 * r.left / f2 : r.left;
     f32 right = needsAdjust ? f1 * r.right / f2 : r.right;