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guimain.cpp
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//=============================================================================
//
// Adventure Game Studio (AGS)
//
// Copyright (C) 1999-2011 Chris Jones and 2011-2025 various contributors
// The full list of copyright holders can be found in the Copyright.txt
// file, which is part of this source code distribution.
//
// The AGS source code is provided under the Artistic License 2.0.
// A copy of this license can be found in the file License.txt and at
// https://opensource.org/license/artistic-2-0/
//
//=============================================================================
#include "ac/common.h"
#include "gui/guimain.h"
#include <algorithm>
#include "ac/game_version.h"
#include "ac/spritecache.h"
#include "debug/out.h"
#include "font/fonts.h"
#include "gui/guibutton.h"
#include "gui/guiinv.h"
#include "gui/guilabel.h"
#include "gui/guilistbox.h"
#include "gui/guislider.h"
#include "gui/guitextbox.h"
#include "util/stream.h"
#include "util/string_utils.h"
#include "util/string_compat.h"
#define MOVER_MOUSEDOWNLOCKED -4000
namespace AGS
{
namespace Common
{
GuiOptions GUI::Options;
GuiContext GUI::Context;
GUIMain::GUIMain()
{
InitDefaults();
}
// TODO: remove and use constructor instead,
// assign constructor result to object when want to clean it up (gui = GUIMain();)
void GUIMain::InitDefaults()
{
ID = 0;
Name.Empty();
_flags = kGUIMain_DefFlags;
_hasChanged = true; // must be updated after creation
_hasControlsChanged = true;
_polling = false;
X = 0;
Y = 0;
Width = 0;
Height = 0;
BgColor = 8;
BgImage = 0;
FgColor = 1;
Padding = TEXTWINDOW_PADDING_DEFAULT;
PopupStyle = kGUIPopupNormal;
PopupAtMouseY = -1;
Transparency = 0;
ZOrder = -1;
FocusCtrl = 0;
HighlightCtrl = -1;
MouseOverCtrl = -1;
MouseDownCtrl = -1;
MouseWasAt.X = -1;
MouseWasAt.Y = -1;
BlendMode = kBlend_Normal;
Scale = Pointf(1.f, 1.f);
Rotation = 0.f;
OnClickHandler.Empty();
_controls.clear();
_ctrlRefs.clear();
_ctrlDrawOrder.clear();
UpdateGraphicSpace();
}
int GUIMain::FindControlAt(int atx, int aty, int leeway, bool must_be_clickable) const
{
// translate to GUI's local coordinates
Point pt = _gs.WorldToLocal(atx, aty);
return FindControlAtLocal(pt.X, pt.Y, leeway, must_be_clickable);
}
int32_t GUIMain::FindControlAtLocal(int atx, int aty, int leeway, bool must_be_clickable) const
{
for (size_t i = _controls.size(); i-- > 0;)
{
const int ctrl_index = _ctrlDrawOrder[i];
if (!_controls[ctrl_index]->IsVisible())
continue;
if (!_controls[ctrl_index]->IsClickable() && must_be_clickable)
continue;
if (_controls[ctrl_index]->IsOverControl(atx, aty, leeway))
return ctrl_index;
}
return -1;
}
int GUIMain::GetControlCount() const
{
return (int32_t)_controls.size();
}
GUIObject *GUIMain::GetControl(int index) const
{
if (index < 0 || (size_t)index >= _controls.size())
return nullptr;
return _controls[index];
}
GUIControlType GUIMain::GetControlType(int index) const
{
if (index < 0 || (size_t)index >= _ctrlRefs.size())
return kGUIControlUndefined;
return _ctrlRefs[index].first;
}
int32_t GUIMain::GetControlID(int index) const
{
if (index < 0 || (size_t)index >= _ctrlRefs.size())
return -1;
return _ctrlRefs[index].second;
}
const std::vector<int> &GUIMain::GetControlsDrawOrder() const
{
return _ctrlDrawOrder;
}
const std::vector<GUIMain::ControlRef> &GUIMain::GetControlRefs() const
{
return _ctrlRefs;
}
bool GUIMain::IsInteractableAt(int x, int y) const
{
if (!IsDisplayed())
return false;
// The Transparency test was unintentionally added in 3.5.0 as a side effect,
// and unfortunately there are already games which require it to work.
if ((game_compiled_version.AsNumber() == 30500) &&
(Transparency == 255))
return false;
if (!IsClickable())
return false;
// transform to GUI's local coordinates
Point pt = _gs.WorldToLocal(x, y);
return ((pt.X >= 0) && (pt.Y >= 0) && (pt.X < Width) && (pt.Y < Height));
}
void GUIMain::MarkChanged()
{
_hasChanged = true;
}
void GUIMain::MarkControlChanged()
{
_hasControlsChanged = true;
}
void GUIMain::NotifyControlPosition()
{
// Force it to re-check for which control is under the mouse
MouseWasAt.X = -1;
MouseWasAt.Y = -1;
_hasControlsChanged = true; // for software render, and in case of shape change
}
void GUIMain::NotifyControlState(int objid, bool mark_changed)
{
MouseWasAt.X = -1;
MouseWasAt.Y = -1;
_hasControlsChanged |= mark_changed;
// Update cursor-over-control state, if necessary
const int overctrl = MouseOverCtrl;
if (!_polling &&
(objid >= 0) && (objid == overctrl) && ((size_t)objid < _controls.size()) &&
(!_controls[overctrl]->IsClickable() ||
!_controls[overctrl]->IsVisible() ||
!_controls[overctrl]->IsEnabled()))
{
MouseOverCtrl = -1;
_controls[overctrl]->OnMouseLeave();
}
}
void GUIMain::ClearChanged()
{
_hasChanged = false;
_hasControlsChanged = false;
}
void GUIMain::ResetOverControl()
{
if ((MouseOverCtrl >= 0) && ((size_t)MouseOverCtrl < _controls.size()))
_controls[MouseOverCtrl]->OnMouseLeave();
// Force it to re-check for which control is under the mouse
MouseWasAt.X = -1;
MouseWasAt.Y = -1;
MouseOverCtrl = -1;
}
void GUIMain::AddControl(GUIControlType type, int id, GUIObject *control)
{
_ctrlRefs.emplace_back(type, id);
_controls.push_back(control);
}
void GUIMain::RemoveAllControls()
{
_ctrlRefs.clear();
_controls.clear();
}
bool GUIMain::BringControlToFront(int index)
{
return SetControlZOrder(index, (int)_controls.size() - 1);
}
void GUIMain::DrawSelf(Bitmap *ds)
{
set_our_eip(375);
if ((Width < 1) || (Height < 1))
return;
assert(GUI::Context.Spriteset);
SpriteCache &spriteset = *GUI::Context.Spriteset;
set_our_eip(376);
// stop border being transparent, if the whole GUI isn't
// FIXME: don't do this in DrawSelf, fix properties when they are set!
if ((FgColor == 0) && (BgColor != 0))
FgColor = GUI::GetStandardColor(16);
if (BgColor != 0)
ds->Fill(ds->GetCompatibleColor(BgColor));
set_our_eip(377);
color_t draw_color;
if (FgColor != BgColor)
{
draw_color = ds->GetCompatibleColor(FgColor);
ds->DrawRect(Rect(0, 0, ds->GetWidth() - 1, ds->GetHeight() - 1), draw_color);
}
set_our_eip(378);
if (BgImage > 0 && spriteset.DoesSpriteExist(BgImage))
draw_gui_sprite(ds, BgImage, 0, 0);
set_our_eip(379);
}
void GUIMain::DrawWithControls(Bitmap *ds)
{
ds->ResetClip();
DrawSelf(ds);
DrawControls(ds);
}
void GUIMain::DrawControls(Bitmap *ds)
{
if ((GUI::Context.DisabledState != kGuiDis_Undefined) && (GUI::Options.DisabledStyle == kGuiDis_Blackout))
return; // don't draw GUI controls
Bitmap tempbmp; // in case we need transforms
for (size_t ctrl_index = 0; ctrl_index < _controls.size(); ++ctrl_index)
{
set_eip_guiobj(_ctrlDrawOrder[ctrl_index]);
GUIObject *objToDraw = _controls[_ctrlDrawOrder[ctrl_index]];
Size obj_size = objToDraw->GetSize();
if (!objToDraw->IsVisible() || (obj_size.Width <= 0 || obj_size.Height <= 0))
continue;
if (!objToDraw->IsEnabled() && (GUI::Options.DisabledStyle == kGuiDis_Blackout))
continue;
// Depending on draw properties - draw directly on the gui surface, or use a buffer
if (objToDraw->GetTransparency() == 0)
{
if (GUI::Options.ClipControls && objToDraw->IsContentClipped())
ds->SetClip(RectWH(objToDraw->X, objToDraw->Y, obj_size.Width, obj_size.Height));
else
ds->ResetClip();
objToDraw->Draw(ds, objToDraw->X, objToDraw->Y);
}
else
{
const Rect rc = objToDraw->CalcGraphicRect(GUI::Options.ClipControls && objToDraw->IsContentClipped());
tempbmp.CreateTransparent(rc.GetWidth(), rc.GetHeight());
objToDraw->Draw(&tempbmp, -rc.Left, -rc.Top);
draw_gui_sprite(ds, objToDraw->X + rc.Left, objToDraw->Y + rc.Top,
&tempbmp, kBlend_Normal,
GfxDef::LegacyTrans255ToAlpha255(objToDraw->GetTransparency()));
}
const bool is_highlighted = HighlightCtrl == _ctrlDrawOrder[ctrl_index];
if (is_highlighted)
{
color_t draw_color = GUI::GetStandardColorForBitmap(13);
DrawBlob(ds, objToDraw->X + obj_size.Width - 1 - 1, objToDraw->Y, draw_color);
DrawBlob(ds, objToDraw->X, objToDraw->Y + obj_size.Height - 1 - 1, draw_color);
DrawBlob(ds, objToDraw->X, objToDraw->Y, draw_color);
DrawBlob(ds, objToDraw->X + obj_size.Width - 1 - 1,
objToDraw->Y + obj_size.Height - 1 - 1, draw_color);
}
if (GUI::Options.OutlineControls)
{
// draw a dotted outline round all objects
color_t draw_color = GUI::GetStandardColorForBitmap(is_highlighted ? 13 : 14);
for (int i = 0; i < obj_size.Width; i += 2)
{
ds->PutPixel(i + objToDraw->X, objToDraw->Y, draw_color);
ds->PutPixel(i + objToDraw->X, objToDraw->Y + obj_size.Height - 1, draw_color);
}
for (int i = 0; i < obj_size.Height; i += 2)
{
ds->PutPixel(objToDraw->X, i + objToDraw->Y, draw_color);
ds->PutPixel(objToDraw->X + obj_size.Width - 1, i + objToDraw->Y, draw_color);
}
}
}
set_our_eip(380);
}
void GUIMain::DrawBlob(Bitmap *ds, int x, int y, color_t draw_color)
{
ds->FillRect(Rect(x, y, x + 1, y + 1), draw_color);
}
void GUIMain::UpdateGraphicSpace()
{
_gs = GraphicSpace(X, Y, Width, Height, Width * Scale.X, Height * Scale.Y, Rotation);
}
void GUIMain::Poll(int mx, int my)
{
_polling = true;
// transform to GUI's local coordinates
Point pt = _gs.WorldToLocal(mx, my);
mx = pt.X; my = pt.Y;
if (mx != MouseWasAt.X || my != MouseWasAt.Y)
{
int ctrl_index = FindControlAtLocal(mx, my, 0, true);
if (MouseOverCtrl == MOVER_MOUSEDOWNLOCKED)
_controls[MouseDownCtrl]->OnMouseMove(mx, my);
else if (ctrl_index != MouseOverCtrl)
{
if (MouseOverCtrl >= 0)
_controls[MouseOverCtrl]->OnMouseLeave();
if (ctrl_index >= 0 && !GUI::IsGUIEnabled(_controls[ctrl_index]))
// the control is disabled - ignore it
MouseOverCtrl = -1;
else if (ctrl_index >= 0 && !_controls[ctrl_index]->IsClickable())
// the control is not clickable - ignore it
MouseOverCtrl = -1;
else
{
// over a different control
MouseOverCtrl = ctrl_index;
if (MouseOverCtrl >= 0)
{
_controls[MouseOverCtrl]->OnMouseEnter();
_controls[MouseOverCtrl]->OnMouseMove(mx, my);
}
}
}
else if (MouseOverCtrl >= 0)
_controls[MouseOverCtrl]->OnMouseMove(mx, my);
}
MouseWasAt.X = mx;
MouseWasAt.Y = my;
_polling = false;
}
HError GUIMain::RebuildArray(GUIRefCollection &guiobjs)
{
GUIControlType thistype;
int32_t thisnum;
_controls.resize(_ctrlRefs.size());
for (size_t i = 0; i < _controls.size(); ++i)
{
thistype = _ctrlRefs[i].first;
thisnum = _ctrlRefs[i].second;
if (thisnum < 0)
return new Error(String::FromFormat("GUIMain (%d): invalid control ID %d in ref #%d", ID, thisnum, i));
if (thistype == kGUIButton)
_controls[i] = &guiobjs.Buttons[thisnum];
else if (thistype == kGUILabel)
_controls[i] = &guiobjs.Labels[thisnum];
else if (thistype == kGUIInvWindow)
_controls[i] = &guiobjs.InvWindows[thisnum];
else if (thistype == kGUISlider)
_controls[i] = &guiobjs.Sliders[thisnum];
else if (thistype == kGUITextBox)
_controls[i] = &guiobjs.TextBoxes[thisnum];
else if (thistype == kGUIListBox)
_controls[i] = &guiobjs.ListBoxes[thisnum];
else
return new Error(String::FromFormat("GUIMain (%d): unknown control type %d in ref #%d", ID, thistype, i));
_controls[i]->ParentId = ID;
_controls[i]->Id = i;
}
ResortZOrder();
return HError::None();
}
bool GUIControlZOrder(const GUIObject *e1, const GUIObject *e2)
{
return e1->ZOrder < e2->ZOrder;
}
void GUIMain::ResortZOrder()
{
std::vector<GUIObject*> ctrl_sort = _controls;
std::sort(ctrl_sort.begin(), ctrl_sort.end(), GUIControlZOrder);
_ctrlDrawOrder.resize(ctrl_sort.size());
for (size_t i = 0; i < ctrl_sort.size(); ++i)
_ctrlDrawOrder[i] = ctrl_sort[i]->Id;
}
void GUIMain::SetAt(int x, int y)
{
X = x;
Y = y;
UpdateGraphicSpace();
}
void GUIMain::SetClickable(bool on)
{
if (on != ((_flags & kGUIMain_Clickable) != 0))
{
_flags = (_flags & ~kGUIMain_Clickable) | kGUIMain_Clickable * on;
ResetOverControl(); // clear the cursor-over-control
}
}
void GUIMain::SetConceal(bool on)
{
if (on != ((_flags & kGUIMain_Concealed) != 0))
{
_flags = (_flags & ~kGUIMain_Concealed) | kGUIMain_Concealed * on;
ResetOverControl(); // clear the cursor-over-control
}
}
bool GUIMain::SendControlToBack(int index)
{
return SetControlZOrder(index, 0);
}
bool GUIMain::SetControlZOrder(int index, int zorder)
{
if (index < 0 || (size_t)index >= _controls.size())
return false; // no such control
zorder = Math::Clamp(zorder, 0, (int)_controls.size() - 1);
const int old_zorder = _controls[index]->ZOrder;
if (old_zorder == zorder)
return false; // no change
const bool move_back = zorder < old_zorder; // back is at zero index
const int left = move_back ? zorder : old_zorder;
const int right = move_back ? old_zorder : zorder;
for (size_t i = 0; i < _controls.size(); ++i)
{
const int i_zorder = _controls[i]->ZOrder;
if (i_zorder == old_zorder)
_controls[i]->ZOrder = zorder; // the control we are moving
else if (i_zorder >= left && i_zorder <= right)
{
// controls in between old and new positions shift towards free place
if (move_back)
_controls[i]->ZOrder++; // move to front
else
_controls[i]->ZOrder--; // move to back
}
}
ResortZOrder();
NotifyControlPosition();
return true;
}
Pointf GUIMain::GetScale() const
{
return Scale;
}
void GUIMain::SetScale(float sx, float sy)
{
Scale = Pointf(sx, sy);
MarkChanged();
UpdateGraphicSpace();
}
void GUIMain::SetRotation(float degrees)
{
Rotation = Math::ClampAngle360(degrees);
MarkChanged();
UpdateGraphicSpace();
}
void GUIMain::SetSize(int w, int h)
{
Width = w;
Height = h;
UpdateGraphicSpace();
}
void GUIMain::SetTextWindow(bool on)
{
_flags = (_flags & ~kGUIMain_TextWindow) | kGUIMain_TextWindow * on;
}
void GUIMain::SetTransparencyAsPercentage(int percent)
{
Transparency = GfxDef::Trans100ToLegacyTrans255(percent);
}
void GUIMain::SetVisible(bool on)
{
if (on != ((_flags & kGUIMain_Visible) != 0))
{
_flags = (_flags & ~kGUIMain_Visible) | kGUIMain_Visible * on;
ResetOverControl(); // clear the cursor-over-control
}
}
void GUIMain::OnMouseButtonDown(int mx, int my)
{
if (MouseOverCtrl < 0)
return;
// don't activate disabled buttons
if (!GUI::IsGUIEnabled(_controls[MouseOverCtrl]) || !_controls[MouseOverCtrl]->IsVisible() ||
!_controls[MouseOverCtrl]->IsClickable())
return;
// transform to GUI's local coordinates
Point pt = _gs.WorldToLocal(mx, my);
MouseDownCtrl = MouseOverCtrl;
if (_controls[MouseOverCtrl]->OnMouseDown())
MouseOverCtrl = MOVER_MOUSEDOWNLOCKED;
_controls[MouseDownCtrl]->OnMouseMove(pt.X, pt.Y);
}
void GUIMain::OnMouseButtonUp()
{
// FocusCtrl was locked - reset it back to normal, but On the
// locked object so that a OnMouseLeave gets fired if necessary
if (MouseOverCtrl == MOVER_MOUSEDOWNLOCKED)
{
MouseOverCtrl = MouseDownCtrl;
MouseWasAt.X = -1; // force update
}
if (MouseDownCtrl < 0)
return;
_controls[MouseDownCtrl]->OnMouseUp();
MouseDownCtrl = -1;
}
void GUIMain::ReadFromFile(Stream *in, GuiVersion gui_version)
{
Name = StrUtil::ReadString(in);
OnClickHandler = StrUtil::ReadString(in);
X = in->ReadInt32();
Y = in->ReadInt32();
Width = in->ReadInt32();
Height = in->ReadInt32();
const size_t ctrl_count = in->ReadInt32();
PopupStyle = (GUIPopupStyle)in->ReadInt32();
PopupAtMouseY = in->ReadInt32();
BgColor = in->ReadInt32();
BgImage = in->ReadInt32();
FgColor = in->ReadInt32();
_flags = in->ReadInt32();
Transparency = in->ReadInt32();
ZOrder = in->ReadInt32();
ID = in->ReadInt32();
Padding = in->ReadInt32();
if (ctrl_count > 0)
{
_ctrlRefs.resize(ctrl_count);
for (uint32_t i = 0; i < ctrl_count; ++i)
{
const uint32_t ref_packed = in->ReadInt32();
_ctrlRefs[i].first = (GUIControlType)((ref_packed >> 16) & 0xFFFF);
_ctrlRefs[i].second = ref_packed & 0xFFFF;
}
}
UpdateGraphicSpace();
}
void GUIMain::WriteToFile(Stream *out) const
{
StrUtil::WriteString(Name, out);
StrUtil::WriteString(OnClickHandler, out);
out->WriteInt32(X);
out->WriteInt32(Y);
out->WriteInt32(Width);
out->WriteInt32(Height);
out->WriteInt32(_ctrlRefs.size());
out->WriteInt32(PopupStyle);
out->WriteInt32(PopupAtMouseY);
out->WriteInt32(BgColor);
out->WriteInt32(BgImage);
out->WriteInt32(FgColor);
out->WriteInt32(_flags);
out->WriteInt32(Transparency);
out->WriteInt32(ZOrder);
out->WriteInt32(ID);
out->WriteInt32(Padding);
for (const auto &ref : _ctrlRefs)
{
uint32_t ref_packed = ((ref.first & 0xFFFF) << 16) | (ref.second & 0xFFFF);
out->WriteInt32(ref_packed);
}
}
void GUIMain::ReadFromSavegame(Common::Stream *in, GuiSvgVersion svg_version, std::vector<ControlRef> &ctrl_refs)
{
// Properties
_flags = in->ReadInt32();
X = in->ReadInt32();
Y = in->ReadInt32();
Width = in->ReadInt32();
Height = in->ReadInt32();
BgImage = in->ReadInt32();
Transparency = in->ReadInt32();
ZOrder = in->ReadInt32();
if (svg_version >= kGuiSvgVersion_350)
{
BgColor = in->ReadInt32();
FgColor = in->ReadInt32();
Padding = in->ReadInt32();
PopupAtMouseY = in->ReadInt32();
}
// Dynamic values
FocusCtrl = in->ReadInt32();
HighlightCtrl = in->ReadInt32();
MouseOverCtrl = in->ReadInt32();
MouseDownCtrl = in->ReadInt32();
MouseWasAt.X = in->ReadInt32();
MouseWasAt.Y = in->ReadInt32();
// Control refs
if (svg_version >= kGuiSvgVersion_36200 && (svg_version < kGuiSvgVersion_400 || svg_version >= kGuiSvgVersion_40010))
{
uint32_t ctrl_count = in->ReadInt32();
ctrl_refs.resize(ctrl_count);
for (uint32_t i = 0; i < ctrl_count; ++i)
{
const uint32_t ref_packed = in->ReadInt32();
ctrl_refs[i].first = (GUIControlType)((ref_packed >> 16) & 0xFFFF);
ctrl_refs[i].second = ref_packed & 0xFFFF;
}
}
if (svg_version >= kGuiSvgVersion_400)
{
BlendMode = (Common::BlendMode)in->ReadInt32();
// Reserved for colour options
in->ReadInt32(); // colour flags
in->ReadInt32(); // tint rgb + s
in->ReadInt32(); // tint light (or light level)
// Reserved for transform options
in->ReadInt32(); // sprite transform flags1
in->ReadInt32(); // sprite transform flags2
Scale.X = in->ReadFloat32(); // transform scale x
Scale.Y = in->ReadFloat32(); // transform scale y
in->ReadInt32(); // transform skew x
in->ReadInt32(); // transform skew y
Rotation = in->ReadFloat32(); // transform rotate
in->ReadInt32(); // sprite pivot x
in->ReadInt32(); // sprite pivot y
in->ReadInt32(); // sprite anchor x
in->ReadInt32(); // sprite anchor y
if (Scale.X == 0.f)
Scale.X = 1.f;
if (Scale.Y == 0.f)
Scale.Y = 1.f;
}
UpdateGraphicSpace();
}
void GUIMain::SkipSavestate(Stream *in, GuiSvgVersion svg_version, std::vector<ControlRef> *ctrl_refs)
{
if (svg_version < kGuiSvgVersion_350)
in->Seek(15 * sizeof(int32_t));
else
in->Seek(18 * sizeof(int32_t));
if (svg_version >= kGuiSvgVersion_36200)
{
if (!ctrl_refs)
{
in->Seek(in->ReadInt32() * sizeof(int32_t));
return;
}
uint32_t ctrl_count = in->ReadInt32();
ctrl_refs->resize(ctrl_count);
for (uint32_t i = 0; i < ctrl_count; ++i)
{
const uint32_t ref_packed = in->ReadInt32();
(*ctrl_refs)[i].first = (GUIControlType)((ref_packed >> 16) & 0xFFFF);
(*ctrl_refs)[i].second = ref_packed & 0xFFFF;
}
}
if (svg_version >= kGuiSvgVersion_400)
{
in->Seek(15 * sizeof(int32_t));
}
}
void GUIMain::WriteToSavegame(Common::Stream *out) const
{
// Properties
out->WriteInt32(_flags);
out->WriteInt32(X);
out->WriteInt32(Y);
out->WriteInt32(Width);
out->WriteInt32(Height);
out->WriteInt32(BgImage);
out->WriteInt32(Transparency);
out->WriteInt32(ZOrder);
out->WriteInt32(BgColor);
out->WriteInt32(FgColor);
out->WriteInt32(Padding);
out->WriteInt32(PopupAtMouseY);
// Dynamic values
out->WriteInt32(FocusCtrl);
out->WriteInt32(HighlightCtrl);
out->WriteInt32(MouseOverCtrl);
out->WriteInt32(MouseDownCtrl);
out->WriteInt32(MouseWasAt.X);
out->WriteInt32(MouseWasAt.Y);
// Control refs (for asserting controls data on restoration,
// and also in case if we support dynamic creation of controls)
out->WriteInt32(_ctrlRefs.size());
for (const auto &ref : _ctrlRefs)
{
uint32_t ref_packed = ((ref.first & 0xFFFF) << 16) | (ref.second & 0xFFFF);
out->WriteInt32(ref_packed);
}
// since version 10 (kGuiSvgVersion_399)
out->WriteInt32(BlendMode);
// Reserved for colour options
out->WriteInt32(0); // colour flags
out->WriteInt32(0); // tint rgb + s
out->WriteInt32(0); // tint light (or light level)
// Reserved for transform options
out->WriteInt32(0); // sprite transform flags1
out->WriteInt32(0); // sprite transform flags2
out->WriteFloat32(Scale.X); // transform scale x
out->WriteFloat32(Scale.Y); // transform scale y
out->WriteInt32(0); // transform skew x
out->WriteInt32(0); // transform skew y
out->WriteFloat32(Rotation); // transform rotate
out->WriteInt32(0); // sprite pivot x
out->WriteInt32(0); // sprite pivot y
out->WriteInt32(0); // sprite anchor x
out->WriteInt32(0); // sprite anchor y
}
const int GuiContext::StandardColors[MaxStandardColors] =
{
0x000000, 0x0000A0, 0x00A000, 0x00A0A0, 0xA00000, 0xA000A0, 0xA05000, 0xA0A0A0, // 0 - 7
0x505050, 0x5050FF, 0x50FF50, 0x50FFFF, 0xFF5050, 0xFF50FF, 0xFFFF50, 0xFFFFFF, // 8 - 15
0x000000, 0x101010, 0x202020, 0x303030, 0x404040, 0x505050, 0x606060, 0x707070, // 16 - 23
0x808080, 0x909090, 0xA0A0A0, 0xB0B0B0, 0xC0C0C0, 0xD0D0D0, 0xE0E0E0, 0xF0F0F0 // 24 - 31
};
namespace GUI
{
GuiVersion GameGuiVersion = kGuiVersion_Undefined;
int GetStandardColor(int index)
{
assert(Context.GameColorDepth > 0);
assert(index >= 0 && index < GuiContext::MaxStandardColors);
if (index < 0 || index >= GuiContext::MaxStandardColors)
index = 0;
if (Context.GameColorDepth == 8)
return index;
return GuiContext::StandardColors[index] | (0xFF << 24);
}
int GetStandardColorForBitmap(int index)
{
assert(Context.GameColorDepth > 0);
return BitmapHelper::AGSColorToBitmapColor(GetStandardColor(index), Context.GameColorDepth);
}
Line CalcFontGraphicalVExtent(int font)
{
// Following factors are affecting the graphical vertical metrics:
// * font's real graphical extent (top and bottom offsets relative to the "pen")
// * custom vertical offset set by user (if non-zero),
const auto finfo = get_fontinfo(font);
const auto fextent = get_font_surface_extent(font);
int top = fextent.first +
std::min(0, finfo.YOffset); // apply YOffset only if negative
int bottom = fextent.second +
std::max(0, finfo.YOffset); // apply YOffset only if positive
return Line(0, top, 0, bottom);
}
Point CalcTextPosition(const String &text, int font, const Rect &frame, FrameAlignment align, Rect *gr_rect)
{
// When aligning we use the formal font's height, which in practice may not be
// its real graphical height (this is because of historical AGS's font behavior)
int use_height = get_font_height_outlined(font);
Rect rc = AlignInRect(frame, RectWH(0, 0, get_text_width_outlined(text.GetCStr(), font), use_height), align);
if (gr_rect)
{
Line vextent = CalcFontGraphicalVExtent(font);
*gr_rect = RectWH(rc.Left, rc.Top + vextent.Y1, rc.GetWidth(), vextent.Y2 - vextent.Y1);
}
return rc.GetLT();
}
Line CalcTextPositionHor(const String &text, int font, int x1, int x2, int y, FrameAlignment align)
{
int w = get_text_width_outlined(text.GetCStr(), font);
int x = AlignInHRange(x1, x2, 0, w, align);
return Line(x, y, x + w - 1, y);
}
Rect CalcTextGraphicalRect(const String &text, int font, const Point &at)
{
// Calc only width, and let CalcFontGraphicalVExtent() calc height
int w = get_text_width_outlined(text.GetCStr(), font);
Line vextent = CalcFontGraphicalVExtent(font);
return RectWH(at.X, at.Y + vextent.Y1, w, vextent.Y2 - vextent.Y1);
}
Rect CalcTextGraphicalRect(const String &text, int font, const Rect &frame, FrameAlignment align)
{
Rect gr_rect;
CalcTextPosition(text, font, frame, align, &gr_rect);
return gr_rect;
}
Rect CalcTextGraphicalRect(const std::vector<String> &text, size_t item_count, int font, int linespace,
const Rect &frame, FrameAlignment align, bool limit_by_frame)
{
item_count = std::min(item_count, text.size()); // safety check
if (item_count <= 0)
return {};
int at_y = 0;
size_t line_idx = 0u;
if (limit_by_frame && at_y < frame.Top)
{
int skip_lines = (frame.Top - at_y) / linespace + 1;
at_y += linespace * skip_lines;
line_idx += skip_lines;
}
Line max_line;
for (; line_idx < item_count && (!limit_by_frame || at_y <= frame.Bottom);
++line_idx, at_y += linespace)
{
Line lpos = GUI::CalcTextPositionHor(text[line_idx], font, frame.Left, frame.Right, at_y, align);
max_line.X2 = std::max(max_line.X2, lpos.X2);
}
// Include font fixes for the first and last text line,
// in case graphical height is different, and there's a VerticalOffset
Line vextent = GUI::CalcFontGraphicalVExtent(font);
Rect text_rc = RectWH(0, vextent.Y1, max_line.X2 - max_line.X1 + 1,
at_y - linespace + (vextent.Y2 - vextent.Y1));
return text_rc;
}
void DrawDisabledEffect(Bitmap *ds, const Rect &rc)
{
color_t draw_color = GUI::GetStandardColorForBitmap(8);
for (int at_x = rc.Left; at_x <= rc.Right; ++at_x)
{
for (int at_y = rc.Top + at_x % 2; at_y <= rc.Bottom; at_y += 2)
{
ds->PutPixel(at_x, at_y, draw_color);
}
}
}
void DrawTextAligned(Bitmap *ds, const String &text, int font, color_t text_color, const Rect &frame, FrameAlignment align)
{
Point pos = CalcTextPosition(text, font, frame, align);
wouttext_outline(ds, pos.X, pos.Y, font, text_color, text.GetCStr());
}
void DrawTextAlignedHor(Bitmap *ds, const String &text, int font, color_t text_color, int x1, int x2, int y, FrameAlignment align)
{
Line line = CalcTextPositionHor(text, font, x1, x2, y, align);
wouttext_outline(ds, line.X1, y, font, text_color, text.GetCStr());
}
void DrawTextLinesAligned(Bitmap *ds, const std::vector<String> &text, size_t item_count,
int font, int linespace, color_t text_color, const Rect &frame, FrameAlignment align,
bool limit_by_frame)
{
item_count = std::min(item_count, text.size()); // safety check
if (item_count <= 0)
return;
int total_height = (item_count - 1) * linespace + get_font_height(font);
int at_y = AlignInVRange(frame.Top, frame.Bottom, 0, total_height, align);
size_t line_idx = 0u;
if (limit_by_frame && at_y < frame.Top)
{
int skip_lines = (frame.Top - at_y) / linespace + 1;
at_y += linespace * skip_lines;
line_idx += skip_lines;
}
for (; (line_idx < item_count) && (!limit_by_frame || at_y < frame.Bottom);
++line_idx, at_y += linespace)
{
GUI::DrawTextAlignedHor(ds, text[line_idx], font, text_color, frame.Left, frame.Right, at_y, align);
}
}
GUILabelMacro FindLabelMacros(const String &text)
{
int macro_flags = 0;
const char *macro_at = nullptr;
for (const char *ptr = text.GetCStr(); *ptr; ++ptr)
{
// Haven't began parsing macro
if (!macro_at)
{
if (*ptr == '@')
macro_at = ptr;
}
// Began parsing macro
else
{
// Found macro's end
if (*ptr == '@')
{
// Test which macro it is (if any)
macro_at++;
const size_t macro_len = ptr - macro_at;
if (ags_strnicmp(macro_at, "gamename", macro_len) == 0)
macro_flags |= kLabelMacro_Gamename;
else if (ags_strnicmp(macro_at, "overhotspot", macro_len) == 0)
macro_flags |= kLabelMacro_Overhotspot;
macro_at = nullptr;
}
}
}
return (GUILabelMacro)macro_flags;
}