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OpenRCT2/src/openrct2/interface/Window.cpp

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/*****************************************************************************
* Copyright (c) 2014-2024 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "Window.h"
#include "../Context.h"
#include "../Editor.h"
#include "../Game.h"
#include "../GameState.h"
#include "../Input.h"
#include "../OpenRCT2.h"
#include "../audio/audio.h"
#include "../config/Config.h"
#include "../core/Guard.hpp"
#include "../drawing/Drawing.h"
#include "../interface/Cursors.h"
#include "../localisation/Formatting.h"
#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
#include "../platform/Platform.h"
#include "../ride/RideAudio.h"
#include "../scenario/Scenario.h"
#include "../sprites.h"
#include "../ui/UiContext.h"
#include "../ui/WindowManager.h"
#include "../world/Map.h"
#include "Viewport.h"
#include "Widget.h"
#include "Window_internal.h"
#include <algorithm>
#include <cmath>
#include <functional>
#include <iterator>
#include <list>
using namespace OpenRCT2;
std::list<std::shared_ptr<WindowBase>> g_window_list;
WindowBase* gWindowAudioExclusive;
WidgetIdentifier gCurrentTextBox = { { WindowClass::Null, 0 }, 0 };
WindowCloseModifier gLastCloseModifier = { { WindowClass::Null, 0 }, CloseWindowModifier::None };
u8string gTextBoxInput;
int32_t gTextBoxFrameNo = 0;
bool gUsingWidgetTextBox = false;
TextInputSession* gTextInput;
uint32_t gWindowUpdateTicks;
uint16_t gWindowMapFlashingFlags;
colour_t gCurrentWindowColours[4];
// converted from uint16_t values at 0x009A41EC - 0x009A4230
// these are percentage coordinates of the viewport to centre to, if a window is obscuring a location, the next is tried
// clang-format off
static constexpr float window_scroll_locations[][2] = {
{ 0.5f, 0.5f },
{ 0.75f, 0.5f },
{ 0.25f, 0.5f },
{ 0.5f, 0.75f },
{ 0.5f, 0.25f },
{ 0.75f, 0.75f },
{ 0.75f, 0.25f },
{ 0.25f, 0.75f },
{ 0.25f, 0.25f },
{ 0.125f, 0.5f },
{ 0.875f, 0.5f },
{ 0.5f, 0.125f },
{ 0.5f, 0.875f },
{ 0.875f, 0.125f },
{ 0.875f, 0.875f },
{ 0.125f, 0.875f },
{ 0.125f, 0.125f },
};
// clang-format on
namespace WindowCloseFlags
{
static constexpr uint32_t None = 0;
static constexpr uint32_t CloseSingle = (1 << 0);
} // namespace WindowCloseFlags
static void WindowDrawCore(DrawPixelInfo& dpi, WindowBase& w, int32_t left, int32_t top, int32_t right, int32_t bottom);
static void WindowDrawSingle(DrawPixelInfo& dpi, WindowBase& w, int32_t left, int32_t top, int32_t right, int32_t bottom);
std::list<std::shared_ptr<WindowBase>>::iterator WindowGetIterator(const WindowBase* w)
{
return std::find_if(g_window_list.begin(), g_window_list.end(), [w](const std::shared_ptr<WindowBase>& w2) -> bool {
return w == w2.get();
});
}
void WindowVisitEach(std::function<void(WindowBase*)> func)
{
auto windowList = g_window_list;
for (auto& w : windowList)
{
if (w->flags & WF_DEAD)
continue;
func(w.get());
}
}
/**
*
* rct2: 0x006ED7B0
*/
void WindowDispatchUpdateAll()
{
// gTooltipNotShownTicks++;
WindowVisitEach([&](WindowBase* w) { w->OnUpdate(); });
}
void WindowUpdateAllViewports()
{
WindowVisitEach([&](WindowBase* w) {
if (w->viewport != nullptr && WindowIsVisible(*w))
{
ViewportUpdatePosition(w);
}
});
}
/**
*
* rct2: 0x006E77A1
*/
void WindowUpdateAll()
{
WindowFlushDead();
// Periodic update happens every second so 40 ticks.
if (gCurrentRealTimeTicks >= gWindowUpdateTicks)
{
gWindowUpdateTicks = gCurrentRealTimeTicks + kGameUpdateFPS;
WindowVisitEach([](WindowBase* w) { w->OnPeriodicUpdate(); });
}
// Border flash invalidation
WindowVisitEach([](WindowBase* w) {
if (w->flags & WF_WHITE_BORDER_MASK)
{
w->flags -= WF_WHITE_BORDER_ONE;
if (!(w->flags & WF_WHITE_BORDER_MASK))
{
w->Invalidate();
}
}
});
auto windowManager = GetContext()->GetUiContext()->GetWindowManager();
windowManager->UpdateMouseWheel();
}
void WindowNotifyLanguageChange()
{
WindowVisitEach([&](WindowBase* w) { w->OnLanguageChange(); });
}
static void WindowCloseSurplus(int32_t cap, WindowClass avoid_classification)
{
// find the amount of windows that are currently open
auto count = static_cast<int32_t>(g_window_list.size());
// difference between amount open and cap = amount to close
auto diff = count - WINDOW_LIMIT_RESERVED - cap;
for (auto i = 0; i < diff; i++)
{
// iterates through the list until it finds the newest window, or a window that can be closed
WindowBase* foundW{};
for (auto& w : g_window_list)
{
if (w->flags & WF_DEAD)
continue;
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT | WF_NO_AUTO_CLOSE)))
{
foundW = w.get();
break;
}
}
// skip window if window matches specified WindowClass (as user may be modifying via options)
if (avoid_classification != WindowClass::Null && foundW != nullptr && foundW->classification == avoid_classification)
{
continue;
}
WindowClose(*foundW);
}
}
/*
* Changes the maximum amount of windows allowed
*/
void WindowSetWindowLimit(int32_t value)
{
int32_t prev = gConfigGeneral.WindowLimit;
int32_t val = std::clamp(value, WINDOW_LIMIT_MIN, WINDOW_LIMIT_MAX);
gConfigGeneral.WindowLimit = val;
ConfigSaveDefault();
// Checks if value decreases and then closes surplus
// windows if one sets a limit lower than the number of windows open
if (val < prev)
{
WindowCloseSurplus(val, WindowClass::Options);
}
}
/**
* Closes the specified window.
* rct2: 0x006ECD4C
*
* @param window The window to close (esi).
*/
void WindowClose(WindowBase& w)
{
w.OnClose();
// Remove viewport
w.RemoveViewport();
// Invalidate the window (area)
w.Invalidate();
w.flags |= WF_DEAD;
}
void WindowFlushDead()
{
// Remove all windows in g_window_list that have the WF_DEAD flag
g_window_list.remove_if([](auto&& w) -> bool { return w->flags & WF_DEAD; });
}
template<typename TPred> static void WindowCloseByCondition(TPred pred, uint32_t flags = WindowCloseFlags::None)
{
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); ++it)
{
auto& wnd = *(*it);
if (wnd.flags & WF_DEAD)
continue;
if (pred(&wnd))
{
WindowClose(wnd);
if (flags & WindowCloseFlags::CloseSingle)
{
return;
}
}
}
}
/**
* Closes all windows with the specified window class.
* rct2: 0x006ECCF4
* @param cls (cl) with bit 15 set
*/
void WindowCloseByClass(WindowClass cls)
{
WindowCloseByCondition([&](WindowBase* w) -> bool { return w->classification == cls; });
}
/**
* Closes all windows with specified window class and number.
* rct2: 0x006ECCF4
* @param cls (cl) without bit 15 set
* @param number (dx)
*/
void WindowCloseByNumber(WindowClass cls, rct_windownumber number)
{
WindowCloseByCondition([cls, number](WindowBase* w) -> bool { return w->classification == cls && w->number == number; });
}
// TODO: Refactor this to use variant once the new window class is done.
void WindowCloseByNumber(WindowClass cls, EntityId number)
{
WindowCloseByNumber(cls, static_cast<rct_windownumber>(number.ToUnderlying()));
}
/**
* Finds the first window with the specified window class.
* rct2: 0x006EA8A0
* @param cls (cl) with bit 15 set
* @returns the window or NULL if no window was found.
*/
WindowBase* WindowFindByClass(WindowClass cls)
{
for (auto& w : g_window_list)
{
if (w->flags & WF_DEAD)
continue;
if (w->classification == cls)
{
return w.get();
}
}
return nullptr;
}
/**
* Finds the first window with the specified window class and number.
* rct2: 0x006EA8A0
* @param cls (cl) without bit 15 set
* @param number (dx)
* @returns the window or NULL if no window was found.
*/
WindowBase* WindowFindByNumber(WindowClass cls, rct_windownumber number)
{
for (auto& w : g_window_list)
{
if (w->flags & WF_DEAD)
continue;
if (w->classification == cls && w->number == number)
{
return w.get();
}
}
return nullptr;
}
// TODO: Use variant for this once the window framework is done.
WindowBase* WindowFindByNumber(WindowClass cls, EntityId id)
{
return WindowFindByNumber(cls, static_cast<rct_windownumber>(id.ToUnderlying()));
}
/**
* Closes the top-most window
*
* rct2: 0x006E403C
*/
void WindowCloseTop()
{
WindowCloseByClass(WindowClass::Dropdown);
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR)
{
if (GetGameState().EditorStep != EditorStep::LandscapeEditor)
return;
}
auto pred = [](WindowBase* w) -> bool { return !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)); };
WindowCloseByCondition(pred, WindowCloseFlags::CloseSingle);
}
/**
* Closes all open windows
*
* rct2: 0x006EE927
*/
void WindowCloseAll()
{
WindowCloseByClass(WindowClass::Dropdown);
WindowCloseByCondition([](WindowBase* w) -> bool { return !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)); });
}
void WindowCloseAllExceptClass(WindowClass cls)
{
WindowCloseByClass(WindowClass::Dropdown);
WindowCloseByCondition([cls](WindowBase* w) -> bool {
return w->classification != cls && !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT));
});
}
/**
* Closes all windows, save for those having any of the passed flags.
*/
void WindowCloseAllExceptFlags(uint16_t flags)
{
WindowCloseByCondition([flags](WindowBase* w) -> bool { return !(w->flags & flags); });
}
/**
* Closes all windows except the specified window number and class.
* @param number (dx)
* @param cls (cl) without bit 15 set
*/
void WindowCloseAllExceptNumberAndClass(rct_windownumber number, WindowClass cls)
{
WindowCloseByClass(WindowClass::Dropdown);
WindowCloseByCondition([cls, number](WindowBase* w) -> bool {
return (!(w->number == number && w->classification == cls) && !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)));
});
}
/**
*
* rct2: 0x006EA845
*/
WindowBase* WindowFindFromPoint(const ScreenCoordsXY& screenCoords)
{
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = *it;
if (w->flags & WF_DEAD)
continue;
if (screenCoords.x < w->windowPos.x || screenCoords.x >= w->windowPos.x + w->width || screenCoords.y < w->windowPos.y
|| screenCoords.y >= w->windowPos.y + w->height)
continue;
if (w->flags & WF_NO_BACKGROUND)
{
auto widgetIndex = WindowFindWidgetFromPoint(*w.get(), screenCoords);
if (widgetIndex == -1)
continue;
}
return w.get();
}
return nullptr;
}
/**
*
* rct2: 0x006EA594
* x (ax)
* y (bx)
* returns widget_index (edx)
* EDI NEEDS TO BE SET TO w->widgets[widget_index] AFTER
*/
WidgetIndex WindowFindWidgetFromPoint(WindowBase& w, const ScreenCoordsXY& screenCoords)
{
// Invalidate the window
w.OnPrepareDraw();
// Find the widget at point x, y
WidgetIndex widget_index = -1;
for (int32_t i = 0;; i++)
{
const auto& widget = w.widgets[i];
if (widget.type == WindowWidgetType::Last)
{
break;
}
if (widget.type != WindowWidgetType::Empty && widget.IsVisible())
{
if (screenCoords.x >= w.windowPos.x + widget.left && screenCoords.x <= w.windowPos.x + widget.right
&& screenCoords.y >= w.windowPos.y + widget.top && screenCoords.y <= w.windowPos.y + widget.bottom)
{
widget_index = i;
}
}
}
// Return next widget if a dropdown
if (widget_index != -1)
{
const auto& widget = w.widgets[widget_index];
if (widget.type == WindowWidgetType::DropdownMenu)
widget_index++;
}
// Return the widget index
return widget_index;
}
/**
* Invalidates the specified window.
* rct2: 0x006EB13A
*
* @param window The window to invalidate (esi).
*/
template<typename TPred> static void WindowInvalidateByCondition(TPred pred)
{
WindowVisitEach([pred](WindowBase* w) {
if (pred(w))
{
w->Invalidate();
}
});
}
/**
* Invalidates all windows with the specified window class.
* rct2: 0x006EC3AC
* @param cls (al) with bit 14 set
*/
void WindowInvalidateByClass(WindowClass cls)
{
WindowInvalidateByCondition([cls](WindowBase* w) -> bool { return w->classification == cls; });
}
/**
* Invalidates all windows with the specified window class and number.
* rct2: 0x006EC3AC
*/
void WindowInvalidateByNumber(WindowClass cls, rct_windownumber number)
{
WindowInvalidateByCondition(
[cls, number](WindowBase* w) -> bool { return w->classification == cls && w->number == number; });
}
// TODO: Use variant for this once the window framework is done.
void WindowInvalidateByNumber(WindowClass cls, EntityId id)
{
WindowInvalidateByNumber(cls, static_cast<rct_windownumber>(id.ToUnderlying()));
}
/**
* Invalidates all windows.
*/
void WindowInvalidateAll()
{
WindowVisitEach([](WindowBase* w) { w->Invalidate(); });
}
/**
* Invalidates the specified widget of a window.
* rct2: 0x006EC402
*/
void WidgetInvalidate(WindowBase& w, WidgetIndex widgetIndex)
{
#ifdef DEBUG
for (int32_t i = 0; i <= widgetIndex; i++)
{
assert(w.widgets[i].type != WindowWidgetType::Last);
}
#endif
const auto& widget = w.widgets[widgetIndex];
if (widget.left == -2)
return;
GfxSetDirtyBlocks({ { w.windowPos + ScreenCoordsXY{ widget.left, widget.top } },
{ w.windowPos + ScreenCoordsXY{ widget.right + 1, widget.bottom + 1 } } });
}
template<typename TPred> static void widget_invalidate_by_condition(TPred pred)
{
WindowVisitEach([pred](WindowBase* w) {
if (pred(w))
{
w->Invalidate();
}
});
}
/**
* Invalidates the specified widget of all windows that match the specified window class.
*/
void WidgetInvalidateByClass(WindowClass cls, WidgetIndex widgetIndex)
{
WindowVisitEach([cls, widgetIndex](WindowBase* w) {
if (w->classification == cls)
{
WidgetInvalidate(*w, widgetIndex);
}
});
}
/**
* Invalidates the specified widget of all windows that match the specified window class and number.
* rct2: 0x006EC3AC
*/
void WidgetInvalidateByNumber(WindowClass cls, rct_windownumber number, WidgetIndex widgetIndex)
{
WindowVisitEach([cls, number, widgetIndex](WindowBase* w) {
if (w->classification == cls && w->number == number)
{
WidgetInvalidate(*w, widgetIndex);
}
});
}
/**
*
* rct2: 0x006EAE4E
*
* @param w The window (esi).
*/
void WindowUpdateScrollWidgets(WindowBase& w)
{
int32_t scrollIndex, width, height, scrollPositionChanged;
WidgetIndex widgetIndex;
Widget* widget;
widgetIndex = 0;
scrollIndex = 0;
for (widget = w.widgets; widget->type != WindowWidgetType::Last; widget++, widgetIndex++)
{
if (widget->type != WindowWidgetType::Scroll)
continue;
auto& scroll = w.scrolls[scrollIndex];
ScreenSize scrollSize = w.OnScrollGetSize(scrollIndex);
width = scrollSize.width;
height = scrollSize.height;
if (height == 0)
{
scroll.v_top = 0;
}
else if (width == 0)
{
scroll.h_left = 0;
}
width++;
height++;
scrollPositionChanged = 0;
if ((widget->content & SCROLL_HORIZONTAL) && width != scroll.h_right)
{
scrollPositionChanged = 1;
scroll.h_right = width;
}
if ((widget->content & SCROLL_VERTICAL) && height != scroll.v_bottom)
{
scrollPositionChanged = 1;
scroll.v_bottom = height;
}
if (scrollPositionChanged)
{
WidgetScrollUpdateThumbs(w, widgetIndex);
w.Invalidate();
}
scrollIndex++;
}
}
int32_t WindowGetScrollDataIndex(const WindowBase& w, WidgetIndex widget_index)
{
int32_t i, result;
result = 0;
for (i = 0; i < widget_index; i++)
{
const auto& widget = w.widgets[i];
if (widget.type == WindowWidgetType::Scroll)
result++;
}
return result;
}
/**
*
* rct2: 0x006ECDA4
*/
WindowBase* WindowBringToFront(WindowBase& w)
{
if (!(w.flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
{
auto itSourcePos = WindowGetIterator(&w);
if (itSourcePos != g_window_list.end())
{
// Insert in front of the first non-stick-to-front window
auto itDestPos = g_window_list.begin();
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w2 = *it;
if (!(w2->flags & WF_STICK_TO_FRONT))
{
itDestPos = it.base();
break;
}
}
g_window_list.splice(itDestPos, g_window_list, itSourcePos);
w.Invalidate();
if (w.windowPos.x + w.width < 20)
{
int32_t i = 20 - w.windowPos.x;
w.windowPos.x += i;
if (w.viewport != nullptr)
w.viewport->pos.x += i;
w.Invalidate();
}
}
}
return &w;
}
WindowBase* WindowBringToFrontByClassWithFlags(WindowClass cls, uint16_t flags)
{
WindowBase* w = WindowFindByClass(cls);
if (w != nullptr)
{
w->flags |= flags;
w->Invalidate();
w = WindowBringToFront(*w);
}
return w;
}
WindowBase* WindowBringToFrontByClass(WindowClass cls)
{
return WindowBringToFrontByClassWithFlags(cls, WF_WHITE_BORDER_MASK);
}
/**
*
* rct2: 0x006ED78A
* cls (cl)
* number (dx)
*/
WindowBase* WindowBringToFrontByNumber(WindowClass cls, rct_windownumber number)
{
WindowBase* w;
w = WindowFindByNumber(cls, number);
if (w != nullptr)
{
w->flags |= WF_WHITE_BORDER_MASK;
w->Invalidate();
w = WindowBringToFront(*w);
}
return w;
}
/**
*
* rct2: 0x006EE65A
*/
void WindowPushOthersRight(WindowBase& window)
{
WindowVisitEach([&window](WindowBase* w) {
if (w == &window)
return;
if (w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
return;
if (w->windowPos.x >= window.windowPos.x + window.width)
return;
if (w->windowPos.x + w->width <= window.windowPos.x)
return;
if (w->windowPos.y >= window.windowPos.y + window.height)
return;
if (w->windowPos.y + w->height <= window.windowPos.y)
return;
w->Invalidate();
if (window.windowPos.x + window.width + 13 >= ContextGetWidth())
return;
auto push_amount = window.windowPos.x + window.width - w->windowPos.x + 3;
w->windowPos.x += push_amount;
w->Invalidate();
if (w->viewport != nullptr)
w->viewport->pos.x += push_amount;
});
}
/**
*
* rct2: 0x006EE6EA
*/
void WindowPushOthersBelow(WindowBase& w1)
{
// Enumerate through all other windows
WindowVisitEach([&w1](WindowBase* w2) {
if (&w1 == w2)
return;
// ?
if (w2->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
return;
// Check if w2 intersects with w1
if (w2->windowPos.x > (w1.windowPos.x + w1.width) || w2->windowPos.x + w2->width < w1.windowPos.x)
return;
if (w2->windowPos.y > (w1.windowPos.y + w1.height) || w2->windowPos.y + w2->height < w1.windowPos.y)
return;
// Check if there is room to push it down
if (w1.windowPos.y + w1.height + 80 >= ContextGetHeight())
return;
// Invalidate the window's current area
w2->Invalidate();
int32_t push_amount = w1.windowPos.y + w1.height - w2->windowPos.y + 3;
w2->windowPos.y += push_amount;
// Invalidate the window's new area
w2->Invalidate();
// Update viewport position if necessary
if (w2->viewport != nullptr)
w2->viewport->pos.y += push_amount;
});
}
/**
*
* rct2: 0x006EE2E4
*/
WindowBase* WindowGetMain()
{
for (auto& w : g_window_list)
{
if (w->flags & WF_DEAD)
continue;
if (w->classification == WindowClass::MainWindow)
{
return w.get();
}
}
return nullptr;
}
/**
*
* rct2: 0x006E7C9C
* @param w (esi)
* @param x (eax)
* @param y (ecx)
* @param z (edx)
*/
void WindowScrollToLocation(WindowBase& w, const CoordsXYZ& coords)
{
WindowUnfollowSprite(w);
if (w.viewport != nullptr)
{
int16_t height = TileElementHeight(coords);
if (coords.z < height - 16)
{
if (!(w.viewport->flags & VIEWPORT_FLAG_UNDERGROUND_INSIDE))
{
w.viewport->flags |= VIEWPORT_FLAG_UNDERGROUND_INSIDE;
w.Invalidate();
}
}
else
{
if (w.viewport->flags & VIEWPORT_FLAG_UNDERGROUND_INSIDE)
{
w.viewport->flags &= ~VIEWPORT_FLAG_UNDERGROUND_INSIDE;
w.Invalidate();
}
}
auto screenCoords = Translate3DTo2DWithZ(w.viewport->rotation, coords);
int32_t i = 0;
if (!(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO))
{
bool found = false;
while (!found)
{
auto x2 = w.viewport->pos.x + static_cast<int32_t>(w.viewport->width * window_scroll_locations[i][0]);
auto y2 = w.viewport->pos.y + static_cast<int32_t>(w.viewport->height * window_scroll_locations[i][1]);
auto it = WindowGetIterator(&w);
for (; it != g_window_list.end(); it++)
{
auto w2 = (*it).get();
auto x1 = w2->windowPos.x - 10;
auto y1 = w2->windowPos.y - 10;
if (x2 >= x1 && x2 <= w2->width + x1 + 20)
{
if (y2 >= y1 && y2 <= w2->height + y1 + 20)
{
// window is covering this area, try the next one
i++;
found = false;
break;
}
}
}
if (it == g_window_list.end())
{
found = true;
}
if (i >= static_cast<int32_t>(std::size(window_scroll_locations)))
{
i = 0;
found = true;
}
}
}
// rct2: 0x006E7C76
if (w.viewport_target_sprite.IsNull())
{
if (!(w.flags & WF_NO_SCROLLING))
{
w.savedViewPos = screenCoords
- ScreenCoordsXY{ static_cast<int32_t>(w.viewport->view_width * window_scroll_locations[i][0]),
static_cast<int32_t>(w.viewport->view_height * window_scroll_locations[i][1]) };
w.flags |= WF_SCROLLING_TO_LOCATION;
}
}
}
}
void WindowViewportGetMapCoordsByCursor(
const WindowBase& w, int32_t* map_x, int32_t* map_y, int32_t* offset_x, int32_t* offset_y)
{
// Get mouse position to offset against.
auto mouseCoords = ContextGetCursorPositionScaled();
// Compute map coordinate by mouse position.
auto viewportPos = w.viewport->ScreenToViewportCoord(mouseCoords);
auto coordsXYZ = ViewportAdjustForMapHeight(viewportPos, w.viewport->rotation);
auto mapCoords = ViewportPosToMapPos(viewportPos, coordsXYZ.z, w.viewport->rotation);
*map_x = mapCoords.x;
*map_y = mapCoords.y;
// Get viewport coordinates centring around the tile.
int32_t z = TileElementHeight(mapCoords);
auto centreLoc = centre_2d_coordinates({ mapCoords.x, mapCoords.y, z }, w.viewport);
if (!centreLoc)
{
LOG_ERROR("Invalid location.");
return;
}
// Rebase mouse position onto centre of window, and compensate for zoom level.
int32_t rebased_x = w.viewport->zoom.ApplyTo(w.width / 2 - mouseCoords.x);
int32_t rebased_y = w.viewport->zoom.ApplyTo(w.height / 2 - mouseCoords.y);
// Compute cursor offset relative to tile.
*offset_x = w.viewport->zoom.ApplyTo(w.savedViewPos.x - (centreLoc->x + rebased_x));
*offset_y = w.viewport->zoom.ApplyTo(w.savedViewPos.y - (centreLoc->y + rebased_y));
}
void WindowViewportCentreTileAroundCursor(WindowBase& w, int32_t map_x, int32_t map_y, int32_t offset_x, int32_t offset_y)
{
// Get viewport coordinates centring around the tile.
int32_t z = TileElementHeight({ map_x, map_y });
auto centreLoc = centre_2d_coordinates({ map_x, map_y, z }, w.viewport);
if (!centreLoc.has_value())
{
LOG_ERROR("Invalid location.");
return;
}
// Get mouse position to offset against.
auto mouseCoords = ContextGetCursorPositionScaled();
// Rebase mouse position onto centre of window, and compensate for zoom level.
int32_t rebased_x = w.viewport->zoom.ApplyTo((w.width >> 1) - mouseCoords.x);
int32_t rebased_y = w.viewport->zoom.ApplyTo((w.height >> 1) - mouseCoords.y);
// Apply offset to the viewport.
w.savedViewPos = { centreLoc->x + rebased_x + w.viewport->zoom.ApplyInversedTo(offset_x),
centreLoc->y + rebased_y + w.viewport->zoom.ApplyInversedTo(offset_y) };
}
/**
* For all windows with viewports, ensure they do not have a zoom level less than the minimum.
*/
void WindowCheckAllValidZoom()
{
WindowVisitEach([](WindowBase* w) {
if (w->viewport != nullptr && w->viewport->zoom < ZoomLevel::min())
{
WindowZoomSet(*w, ZoomLevel::min(), false);
}
});
}
void WindowZoomSet(WindowBase& w, ZoomLevel zoomLevel, bool atCursor)
{
Viewport* v = w.viewport;
if (v == nullptr)
return;
zoomLevel = std::clamp(zoomLevel, ZoomLevel::min(), ZoomLevel::max());
if (v->zoom == zoomLevel)
return;
// Zooming to cursor? Remember where we're pointing at the moment.
int32_t saved_map_x = 0;
int32_t saved_map_y = 0;
int32_t offset_x = 0;
int32_t offset_y = 0;
if (gConfigGeneral.ZoomToCursor && atCursor)
{
WindowViewportGetMapCoordsByCursor(w, &saved_map_x, &saved_map_y, &offset_x, &offset_y);
}
// Zoom in
while (v->zoom > zoomLevel)
{
v->zoom--;
w.savedViewPos.x += v->view_width / 4;
w.savedViewPos.y += v->view_height / 4;
v->view_width /= 2;
v->view_height /= 2;
}
// Zoom out
while (v->zoom < zoomLevel)
{
v->zoom++;
w.savedViewPos.x -= v->view_width / 2;
w.savedViewPos.y -= v->view_height / 2;
v->view_width *= 2;
v->view_height *= 2;
}
// Zooming to cursor? Centre around the tile we were hovering over just now.
if (gConfigGeneral.ZoomToCursor && atCursor)
{
WindowViewportCentreTileAroundCursor(w, saved_map_x, saved_map_y, offset_x, offset_y);
}
// HACK: Prevents the redraw from failing when there is
// a window on top of the viewport.
WindowBringToFront(w);
w.Invalidate();
}
/**
*
* rct2: 0x006887A6
*/
void WindowZoomIn(WindowBase& w, bool atCursor)
{
WindowZoomSet(w, w.viewport->zoom - 1, atCursor);
}
/**
*
* rct2: 0x006887E0
*/
void WindowZoomOut(WindowBase& w, bool atCursor)
{
WindowZoomSet(w, w.viewport->zoom + 1, atCursor);
}
void MainWindowZoom(bool zoomIn, bool atCursor)
{
auto* mainWindow = WindowGetMain();
if (mainWindow == nullptr)
return;
if (gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)
return;
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR && GetGameState().EditorStep != EditorStep::LandscapeEditor)
return;
if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
return;
if (zoomIn)
WindowZoomIn(*mainWindow, atCursor);
else
WindowZoomOut(*mainWindow, atCursor);
}
/**
* Splits a drawing of a window into regions that can be seen and are not hidden
* by other opaque overlapping windows.
*/
void WindowDraw(DrawPixelInfo& dpi, WindowBase& w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
if (!WindowIsVisible(w))
return;
// Divide the draws up for only the visible regions of the window recursively
auto itPos = WindowGetIterator(&w);
for (auto it = std::next(itPos); it != g_window_list.end(); it++)
{
// Check if this window overlaps w
auto topwindow = it->get();
if (topwindow->windowPos.x >= right || topwindow->windowPos.y >= bottom)
continue;
if (topwindow->windowPos.x + topwindow->width <= left || topwindow->windowPos.y + topwindow->height <= top)
continue;
if (topwindow->flags & WF_TRANSPARENT)
continue;
// A window overlaps w, split up the draw into two regions where the window starts to overlap
if (topwindow->windowPos.x > left)
{
// Split draw at topwindow.left
WindowDrawCore(dpi, w, left, top, topwindow->windowPos.x, bottom);
WindowDrawCore(dpi, w, topwindow->windowPos.x, top, right, bottom);
}
else if (topwindow->windowPos.x + topwindow->width < right)
{
// Split draw at topwindow.right
WindowDrawCore(dpi, w, left, top, topwindow->windowPos.x + topwindow->width, bottom);
WindowDrawCore(dpi, w, topwindow->windowPos.x + topwindow->width, top, right, bottom);
}
else if (topwindow->windowPos.y > top)
{
// Split draw at topwindow.top
WindowDrawCore(dpi, w, left, top, right, topwindow->windowPos.y);
WindowDrawCore(dpi, w, left, topwindow->windowPos.y, right, bottom);
}
else if (topwindow->windowPos.y + topwindow->height < bottom)
{
// Split draw at topwindow.bottom
WindowDrawCore(dpi, w, left, top, right, topwindow->windowPos.y + topwindow->height);
WindowDrawCore(dpi, w, left, topwindow->windowPos.y + topwindow->height, right, bottom);
}
// Drawing for this region should be done now, exit
return;
}
// No windows overlap
WindowDrawCore(dpi, w, left, top, right, bottom);
}
/**
* Draws the given window and any other overlapping transparent windows.
*/
static void WindowDrawCore(DrawPixelInfo& dpi, WindowBase& w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
// Clamp region
left = std::max<int32_t>(left, w.windowPos.x);
top = std::max<int32_t>(top, w.windowPos.y);
right = std::min<int32_t>(right, w.windowPos.x + w.width);
bottom = std::min<int32_t>(bottom, w.windowPos.y + w.height);
if (left >= right)
return;
if (top >= bottom)
return;
// Draw the window and any other overlapping transparent windows
for (auto it = WindowGetIterator(&w); it != g_window_list.end(); it++)
{
auto* v = (*it).get();
if (v->flags & WF_DEAD)
continue;
if ((&w == v || (v->flags & WF_TRANSPARENT)) && WindowIsVisible(*v))
{
WindowDrawSingle(dpi, *v, left, top, right, bottom);
}
}
}
static void WindowDrawSingle(DrawPixelInfo& dpi, WindowBase& w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
// Copy dpi so we can crop it
DrawPixelInfo copy = dpi;
// Clamp left to 0
int32_t overflow = left - copy.x;
if (overflow > 0)
{
copy.x += overflow;
copy.width -= overflow;
if (copy.width <= 0)
return;
copy.pitch += overflow;
copy.bits += overflow;
}
// Clamp width to right
overflow = copy.x + copy.width - right;
if (overflow > 0)
{
copy.width -= overflow;
if (copy.width <= 0)
return;
copy.pitch += overflow;
}
// Clamp top to 0
overflow = top - copy.y;
if (overflow > 0)
{
copy.y += overflow;
copy.height -= overflow;
if (copy.height <= 0)
return;
copy.bits += (copy.width + copy.pitch) * overflow;
}
// Clamp height to bottom
overflow = copy.y + copy.height - bottom;
if (overflow > 0)
{
copy.height -= overflow;
if (copy.height <= 0)
return;
}
// Invalidate modifies the window colours so first get the correct
// colour before setting the global variables for the string painting
w.OnPrepareDraw();
// Text colouring
gCurrentWindowColours[0] = NOT_TRANSLUCENT(w.colours[0]);
gCurrentWindowColours[1] = NOT_TRANSLUCENT(w.colours[1]);
gCurrentWindowColours[2] = NOT_TRANSLUCENT(w.colours[2]);
gCurrentWindowColours[3] = NOT_TRANSLUCENT(w.colours[3]);
w.OnDraw(copy);
}
/**
*
* rct2: 0x00685BE1
*
* @param dpi (edi)
* @param w (esi)
*/
void WindowDrawViewport(DrawPixelInfo& dpi, WindowBase& w)
{
ViewportRender(dpi, w.viewport, { { dpi.x, dpi.y }, { dpi.x + dpi.width, dpi.y + dpi.height } });
}
void WindowSetPosition(WindowBase& w, const ScreenCoordsXY& screenCoords)
{
WindowMovePosition(w, screenCoords - w.windowPos);
}
void WindowMovePosition(WindowBase& w, const ScreenCoordsXY& deltaCoords)
{
if (deltaCoords.x == 0 && deltaCoords.y == 0)
return;
// Invalidate old region
w.Invalidate();
// Translate window and viewport
w.windowPos += deltaCoords;
if (w.viewport != nullptr)
{
w.viewport->pos += deltaCoords;
}
// Invalidate new region
w.Invalidate();
}
void WindowResize(WindowBase& w, int32_t dw, int32_t dh)
{
if (dw == 0 && dh == 0)
return;
// Invalidate old region
w.Invalidate();
// Clamp new size to minimum and maximum
w.width = std::clamp<int32_t>(w.width + dw, w.min_width, w.max_width);
w.height = std::clamp<int32_t>(w.height + dh, w.min_height, w.max_height);
w.OnResize();
w.OnPrepareDraw();
// Update scroll widgets
for (auto& scroll : w.scrolls)
{
scroll.h_right = WINDOW_SCROLL_UNDEFINED;
scroll.v_bottom = WINDOW_SCROLL_UNDEFINED;
}
WindowUpdateScrollWidgets(w);
// Invalidate new region
w.Invalidate();
}
void WindowSetResize(WindowBase& w, int32_t minWidth, int32_t minHeight, int32_t maxWidth, int32_t maxHeight)
{
w.min_width = minWidth;
w.min_height = minHeight;
w.max_width = maxWidth;
w.max_height = maxHeight;
// Clamp width and height to minimum and maximum
int32_t width = std::clamp<int32_t>(w.width, std::min(minWidth, maxWidth), std::max(minWidth, maxWidth));
int32_t height = std::clamp<int32_t>(w.height, std::min(minHeight, maxHeight), std::max(minHeight, maxHeight));
// Resize window if size has changed
if (w.width != width || w.height != height)
{
w.Invalidate();
w.width = width;
w.height = height;
w.Invalidate();
}
}
/**
*
* rct2: 0x006EE212
*
* @param tool (al)
* @param widgetIndex (dx)
* @param w (esi)
*/
bool ToolSet(const WindowBase& w, WidgetIndex widgetIndex, Tool tool)
{
if (InputTestFlag(INPUT_FLAG_TOOL_ACTIVE))
{
if (w.classification == gCurrentToolWidget.window_classification && w.number == gCurrentToolWidget.window_number
&& widgetIndex == gCurrentToolWidget.widget_index)
{
ToolCancel();
return true;
}
ToolCancel();
}
InputSetFlag(INPUT_FLAG_TOOL_ACTIVE, true);
InputSetFlag(INPUT_FLAG_4, false);
InputSetFlag(INPUT_FLAG_6, false);
gCurrentToolId = tool;
gCurrentToolWidget.window_classification = w.classification;
gCurrentToolWidget.window_number = w.number;
gCurrentToolWidget.widget_index = widgetIndex;
return false;
}
/**
*
* rct2: 0x006EE281
*/
void ToolCancel()
{
if (InputTestFlag(INPUT_FLAG_TOOL_ACTIVE))
{
InputSetFlag(INPUT_FLAG_TOOL_ACTIVE, false);
MapInvalidateSelectionRect();
MapInvalidateMapSelectionTiles();
// Reset map selection
gMapSelectFlags = 0;
if (gCurrentToolWidget.widget_index != -1)
{
// Invalidate tool widget
WidgetInvalidateByNumber(
gCurrentToolWidget.window_classification, gCurrentToolWidget.window_number, gCurrentToolWidget.widget_index);
// Abort tool event
WindowBase* w = WindowFindByNumber(gCurrentToolWidget.window_classification, gCurrentToolWidget.window_number);
if (w != nullptr)
w->OnToolAbort(gCurrentToolWidget.widget_index);
}
}
}
/**
*
* rct2: 0x006ED710
* Called after a window resize to move windows if they
* are going to be out of sight.
*/
void WindowRelocateWindows(int32_t width, int32_t height)
{
int32_t new_location = 8;
WindowVisitEach([width, height, &new_location](WindowBase* w) {
// Work out if the window requires moving
if (w->windowPos.x + 10 < width)
{
if (w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
{
if (w->windowPos.y - 22 < height)
{
return;
}
}
if (w->windowPos.y + 10 < height)
{
return;
}
}
// Calculate the new locations
auto newWinPos = w->windowPos;
w->windowPos = { new_location, new_location + kTopToolbarHeight + 1 };
// Move the next new location so windows are not directly on top
new_location += 8;
// Adjust the viewport if required.
if (w->viewport != nullptr)
{
w->viewport->pos -= newWinPos - w->windowPos;
}
});
}
/**
* rct2: 0x0066B905
*/
void WindowResizeGui(int32_t width, int32_t height)
{
WindowResizeGuiScenarioEditor(width, height);
if (gScreenFlags & SCREEN_FLAGS_EDITOR)
return;
WindowBase* titleWind = WindowFindByClass(WindowClass::TitleMenu);
if (titleWind != nullptr)
{
titleWind->windowPos.x = (width - titleWind->width) / 2;
titleWind->windowPos.y = height - 182;
}
WindowBase* exitWind = WindowFindByClass(WindowClass::TitleExit);
if (exitWind != nullptr)
{
exitWind->windowPos.x = width - 40;
exitWind->windowPos.y = height - 64;
}
WindowBase* optionsWind = WindowFindByClass(WindowClass::TitleOptions);
if (optionsWind != nullptr)
{
optionsWind->windowPos.x = width - 80;
}
GfxInvalidateScreen();
}
/**
* rct2: 0x0066F0DD
*/
void WindowResizeGuiScenarioEditor(int32_t width, int32_t height)
{
auto* mainWind = WindowGetMain();
if (mainWind != nullptr)
{
Viewport* viewport = mainWind->viewport;
mainWind->width = width;
mainWind->height = height;
viewport->width = width;
viewport->height = height;
viewport->view_width = viewport->zoom.ApplyTo(width);
viewport->view_height = viewport->zoom.ApplyTo(height);
if (mainWind->widgets != nullptr && mainWind->widgets[WC_MAIN_WINDOW__0].type == WindowWidgetType::Viewport)
{
mainWind->widgets[WC_MAIN_WINDOW__0].right = width;
mainWind->widgets[WC_MAIN_WINDOW__0].bottom = height;
}
}
WindowBase* topWind = WindowFindByClass(WindowClass::TopToolbar);
if (topWind != nullptr)
{
topWind->width = std::max(640, width);
}
WindowBase* bottomWind = WindowFindByClass(WindowClass::BottomToolbar);
if (bottomWind != nullptr)
{
bottomWind->windowPos.y = height - 32;
bottomWind->width = std::max(640, width);
}
}
/**
*
* rct2: 0x006CBCC3
*/
void WindowCloseConstructionWindows()
{
WindowCloseByClass(WindowClass::RideConstruction);
WindowCloseByClass(WindowClass::Footpath);
WindowCloseByClass(WindowClass::TrackDesignList);
WindowCloseByClass(WindowClass::TrackDesignPlace);
}
/**
* Update zoom based volume attenuation for ride music and clear music list.
* rct2: 0x006BC348
*/
void WindowUpdateViewportRideMusic()
{
RideAudio::ClearAllViewportInstances();
g_music_tracking_viewport = nullptr;
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto w = it->get();
auto viewport = w->viewport;
if (viewport == nullptr || !(viewport->flags & VIEWPORT_FLAG_SOUND_ON))
continue;
g_music_tracking_viewport = viewport;
gWindowAudioExclusive = w;
if (viewport->zoom <= ZoomLevel{ 0 })
Audio::gVolumeAdjustZoom = 0;
else if (viewport->zoom == ZoomLevel{ 1 })
Audio::gVolumeAdjustZoom = 30;
else
Audio::gVolumeAdjustZoom = 60;
break;
}
}
static void window_snap_left(WindowBase& w, int32_t proximity)
{
const auto* mainWindow = WindowGetMain();
auto wBottom = w.windowPos.y + w.height;
auto wLeftProximity = w.windowPos.x - (proximity * 2);
auto wRightProximity = w.windowPos.x + (proximity * 2);
auto rightMost = INT32_MIN;
WindowVisitEach([&](WindowBase* w2) {
if (w2 == &w || w2 == mainWindow)
return;
auto right = w2->windowPos.x + w2->width;
if (wBottom < w2->windowPos.y || w.windowPos.y > w2->windowPos.y + w2->height)
return;
if (right < wLeftProximity || right > wRightProximity)
return;
rightMost = std::max(rightMost, right);
});
if (0 >= wLeftProximity && 0 <= wRightProximity)
rightMost = std::max(rightMost, 0);
if (rightMost != INT32_MIN)
w.windowPos.x = rightMost;
}
static void window_snap_top(WindowBase& w, int32_t proximity)
{
const auto* mainWindow = WindowGetMain();
auto wRight = w.windowPos.x + w.width;
auto wTopProximity = w.windowPos.y - (proximity * 2);
auto wBottomProximity = w.windowPos.y + (proximity * 2);
auto bottomMost = INT32_MIN;
WindowVisitEach([&](WindowBase* w2) {
if (w2 == &w || w2 == mainWindow)
return;
auto bottom = w2->windowPos.y + w2->height;
if (wRight < w2->windowPos.x || w.windowPos.x > w2->windowPos.x + w2->width)
return;
if (bottom < wTopProximity || bottom > wBottomProximity)
return;
bottomMost = std::max(bottomMost, bottom);
});
if (0 >= wTopProximity && 0 <= wBottomProximity)
bottomMost = std::max(bottomMost, 0);
if (bottomMost != INT32_MIN)
w.windowPos.y = bottomMost;
}
static void window_snap_right(WindowBase& w, int32_t proximity)
{
const auto* mainWindow = WindowGetMain();
auto wRight = w.windowPos.x + w.width;
auto wBottom = w.windowPos.y + w.height;
auto wLeftProximity = wRight - (proximity * 2);
auto wRightProximity = wRight + (proximity * 2);
auto leftMost = INT32_MAX;
WindowVisitEach([&](WindowBase* w2) {
if (w2 == &w || w2 == mainWindow)
return;
if (wBottom < w2->windowPos.y || w.windowPos.y > w2->windowPos.y + w2->height)
return;
if (w2->windowPos.x < wLeftProximity || w2->windowPos.x > wRightProximity)
return;
leftMost = std::min<int32_t>(leftMost, w2->windowPos.x);
});
auto screenWidth = ContextGetWidth();
if (screenWidth >= wLeftProximity && screenWidth <= wRightProximity)
leftMost = std::min(leftMost, screenWidth);
if (leftMost != INT32_MAX)
w.windowPos.x = leftMost - w.width;
}
static void window_snap_bottom(WindowBase& w, int32_t proximity)
{
const auto* mainWindow = WindowGetMain();
auto wRight = w.windowPos.x + w.width;
auto wBottom = w.windowPos.y + w.height;
auto wTopProximity = wBottom - (proximity * 2);
auto wBottomProximity = wBottom + (proximity * 2);
auto topMost = INT32_MAX;
WindowVisitEach([&](WindowBase* w2) {
if (w2 == &w || w2 == mainWindow)
return;
if (wRight < w2->windowPos.x || w.windowPos.x > w2->windowPos.x + w2->width)
return;
if (w2->windowPos.y < wTopProximity || w2->windowPos.y > wBottomProximity)
return;
topMost = std::min<int32_t>(topMost, w2->windowPos.y);
});
auto screenHeight = ContextGetHeight();
if (screenHeight >= wTopProximity && screenHeight <= wBottomProximity)
topMost = std::min(topMost, screenHeight);
if (topMost != INT32_MAX)
w.windowPos.y = topMost - w.height;
}
void WindowMoveAndSnap(WindowBase& w, ScreenCoordsXY newWindowCoords, int32_t snapProximity)
{
auto originalPos = w.windowPos;
int32_t minY = (gScreenFlags & SCREEN_FLAGS_TITLE_DEMO) ? 1 : kTopToolbarHeight + 2;
newWindowCoords.y = std::clamp(newWindowCoords.y, minY, ContextGetHeight() - 34);
if (snapProximity > 0)
{
w.windowPos = newWindowCoords;
window_snap_right(w, snapProximity);
window_snap_bottom(w, snapProximity);
window_snap_left(w, snapProximity);
window_snap_top(w, snapProximity);
if (w.windowPos == originalPos)
return;
newWindowCoords = w.windowPos;
w.windowPos = originalPos;
}
WindowSetPosition(w, newWindowCoords);
}
int32_t WindowCanResize(const WindowBase& w)
{
return (w.flags & WF_RESIZABLE) && (w.min_width != w.max_width || w.min_height != w.max_height);
}
/**
*
* rct2: 0x006EE3C3
*/
void TextinputCancel()
{
WindowCloseByClass(WindowClass::Textinput);
}
void WindowStartTextbox(
WindowBase& call_w, WidgetIndex call_widget, StringId existing_text, const char* existing_args, int32_t maxLength)
{
if (gUsingWidgetTextBox)
WindowCancelTextbox();
gUsingWidgetTextBox = true;
gCurrentTextBox.window.classification = call_w.classification;
gCurrentTextBox.window.number = call_w.number;
gCurrentTextBox.widget_index = call_widget;
gTextBoxFrameNo = 0;
WindowCloseByClass(WindowClass::Textinput);
// Clear the text input buffer
gTextBoxInput.clear();
// Enter in the text input buffer any existing
// text.
if (existing_text != STR_NONE)
{
char tempBuf[kTextInputSize]{};
size_t len = FormatStringLegacy(tempBuf, kTextInputSize, existing_text, &existing_args);
gTextBoxInput.assign(tempBuf, len);
}
gTextInput = ContextStartTextInput(gTextBoxInput, maxLength);
}
void WindowCancelTextbox()
{
if (gUsingWidgetTextBox)
{
WindowBase* w = WindowFindByNumber(gCurrentTextBox.window.classification, gCurrentTextBox.window.number);
gCurrentTextBox.window.classification = WindowClass::Null;
gCurrentTextBox.window.number = 0;
ContextStopTextInput();
gUsingWidgetTextBox = false;
if (w != nullptr)
{
WidgetInvalidate(*w, gCurrentTextBox.widget_index);
}
gCurrentTextBox.widget_index = static_cast<uint16_t>(WindowWidgetType::Last);
}
}
void WindowUpdateTextboxCaret()
{
gTextBoxFrameNo++;
if (gTextBoxFrameNo > 30)
gTextBoxFrameNo = 0;
}
void WindowUpdateTextbox()
{
if (gUsingWidgetTextBox)
{
gTextBoxFrameNo = 0;
WindowBase* w = WindowFindByNumber(gCurrentTextBox.window.classification, gCurrentTextBox.window.number);
WidgetInvalidate(*w, gCurrentTextBox.widget_index);
w->OnTextInput(gCurrentTextBox.widget_index, gTextBoxInput);
}
}
bool WindowIsVisible(WindowBase& w)
{
// w->visibility is used to prevent repeat calculations within an iteration by caching the result
if (w.visibility == VisibilityCache::Visible)
return true;
if (w.visibility == VisibilityCache::Covered)
return false;
// only consider viewports, consider the main window always visible
if (w.viewport == nullptr || w.classification == WindowClass::MainWindow)
{
// default to previous behaviour
w.visibility = VisibilityCache::Visible;
return true;
}
// start from the window above the current
auto itPos = WindowGetIterator(&w);
for (auto it = std::next(itPos); it != g_window_list.end(); it++)
{
auto& w_other = *(*it);
if (w_other.flags & WF_DEAD)
continue;
// if covered by a higher window, no rendering needed
if (w_other.windowPos.x <= w.windowPos.x && w_other.windowPos.y <= w.windowPos.y
&& w_other.windowPos.x + w_other.width >= w.windowPos.x + w.width
&& w_other.windowPos.y + w_other.height >= w.windowPos.y + w.height)
{
w.visibility = VisibilityCache::Covered;
w.viewport->visibility = VisibilityCache::Covered;
return false;
}
}
// default to previous behaviour
w.visibility = VisibilityCache::Visible;
w.viewport->visibility = VisibilityCache::Visible;
return true;
}
/**
*
* rct2: 0x006E7499
* left (ax)
* top (bx)
* right (dx)
* bottom (bp)
*/
void WindowDrawAll(DrawPixelInfo& dpi, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
auto windowDPI = dpi.Crop({ left, top }, { right - left, bottom - top });
WindowVisitEach([&windowDPI, left, top, right, bottom](WindowBase* w) {
if (w->flags & WF_TRANSPARENT)
return;
if (right <= w->windowPos.x || bottom <= w->windowPos.y)
return;
if (left >= w->windowPos.x + w->width || top >= w->windowPos.y + w->height)
return;
WindowDraw(windowDPI, *w, left, top, right, bottom);
});
}
Viewport* WindowGetPreviousViewport(Viewport* current)
{
bool foundPrevious = (current == nullptr);
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = **it;
if (w.flags & WF_DEAD)
continue;
if (w.viewport != nullptr)
{
if (foundPrevious)
{
return w.viewport;
}
if (w.viewport == current)
{
foundPrevious = true;
}
}
}
return nullptr;
}
void WindowResetVisibilities()
{
// reset window visibility status to unknown
WindowVisitEach([](WindowBase* w) {
w->visibility = VisibilityCache::Unknown;
if (w->viewport != nullptr)
{
w->viewport->visibility = VisibilityCache::Unknown;
}
});
}
void WindowInitAll()
{
WindowCloseAllExceptFlags(0);
}
void WindowFollowSprite(WindowBase& w, EntityId spriteIndex)
{
if (spriteIndex.ToUnderlying() < MAX_ENTITIES || spriteIndex.IsNull())
{
w.viewport_smart_follow_sprite = spriteIndex;
}
}
void WindowUnfollowSprite(WindowBase& w)
{
w.viewport_smart_follow_sprite = EntityId::GetNull();
w.viewport_target_sprite = EntityId::GetNull();
}
Viewport* WindowGetViewport(WindowBase* w)
{
if (w == nullptr)
{
return nullptr;
}
return w->viewport;
}
/**
*
* rct2: 0x006EAF26
*/
void WidgetScrollUpdateThumbs(WindowBase& w, WidgetIndex widget_index)
{
const auto& widget = w.widgets[widget_index];
auto& scroll = w.scrolls[WindowGetScrollDataIndex(w, widget_index)];
if (scroll.flags & HSCROLLBAR_VISIBLE)
{
int32_t view_size = widget.width() - 21;
if (scroll.flags & VSCROLLBAR_VISIBLE)
view_size -= 11;
int32_t x = scroll.h_left * view_size;
if (scroll.h_right != 0)
x /= scroll.h_right;
scroll.h_thumb_left = x + 11;
x = widget.width() - 2;
if (scroll.flags & VSCROLLBAR_VISIBLE)
x -= 11;
x += scroll.h_left;
if (scroll.h_right != 0)
x = (x * view_size) / scroll.h_right;
x += 11;
view_size += 10;
scroll.h_thumb_right = std::min(x, view_size);
if (scroll.h_thumb_right - scroll.h_thumb_left < 20)
{
double barPosition = (scroll.h_thumb_right * 1.0) / view_size;
scroll.h_thumb_left = static_cast<int32_t>(std::lround(scroll.h_thumb_left - (20 * barPosition)));
scroll.h_thumb_right = static_cast<int32_t>(std::lround(scroll.h_thumb_right + (20 * (1 - barPosition))));
}
}
if (scroll.flags & VSCROLLBAR_VISIBLE)
{
int32_t view_size = widget.height() - 21;
if (scroll.flags & HSCROLLBAR_VISIBLE)
view_size -= 11;
int32_t y = scroll.v_top * view_size;
if (scroll.v_bottom != 0)
y /= scroll.v_bottom;
scroll.v_thumb_top = y + 11;
y = widget.height() - 2;
if (scroll.flags & HSCROLLBAR_VISIBLE)
y -= 11;
y += scroll.v_top;
if (scroll.v_bottom != 0)
y = (y * view_size) / scroll.v_bottom;
y += 11;
view_size += 10;
scroll.v_thumb_bottom = std::min(y, view_size);
if (scroll.v_thumb_bottom - scroll.v_thumb_top < 20)
{
double barPosition = (scroll.v_thumb_bottom * 1.0) / view_size;
scroll.v_thumb_top = static_cast<int32_t>(std::lround(scroll.v_thumb_top - (20 * barPosition)));
scroll.v_thumb_bottom = static_cast<int32_t>(std::lround(scroll.v_thumb_bottom + (20 * (1 - barPosition))));
}
}
}
void WindowBase::ResizeFrame()
{
// Frame
widgets[0].right = width - 1;
widgets[0].bottom = height - 1;
// Title
widgets[1].right = width - 2;
// Close button
if (gConfigInterface.WindowButtonsOnTheLeft)
{
widgets[2].left = 2;
widgets[2].right = 2 + CloseButtonWidth;
}
else
{
widgets[2].left = width - 3 - CloseButtonWidth;
widgets[2].right = width - 3;
}
}
void WindowBase::ResizeFrameWithPage()
{
ResizeFrame();
// Page background
widgets[3].right = width - 1;
widgets[3].bottom = height - 1;
}
void WindowBase::ResizeSpinner(WidgetIndex widgetIndex, const ScreenCoordsXY& origin, const ScreenSize& size)
{
auto right = origin.x + size.width - 1;
auto bottom = origin.y + size.height - 1;
widgets[widgetIndex].left = origin.x;
widgets[widgetIndex].top = origin.y;
widgets[widgetIndex].right = right;
widgets[widgetIndex].bottom = bottom;
widgets[widgetIndex + 1].left = right - size.height; // subtract height to maintain aspect ratio
widgets[widgetIndex + 1].top = origin.y + 1;
widgets[widgetIndex + 1].right = right - 1;
widgets[widgetIndex + 1].bottom = bottom - 1;
widgets[widgetIndex + 2].left = right - size.height * 2;
widgets[widgetIndex + 2].top = origin.y + 1;
widgets[widgetIndex + 2].right = right - size.height - 1;
widgets[widgetIndex + 2].bottom = bottom - 1;
}
void WindowBase::ResizeDropdown(WidgetIndex widgetIndex, const ScreenCoordsXY& origin, const ScreenSize& size)
{
auto right = origin.x + size.width - 1;
auto bottom = origin.y + size.height - 1;
widgets[widgetIndex].left = origin.x;
widgets[widgetIndex].top = origin.y;
widgets[widgetIndex].right = right;
widgets[widgetIndex].bottom = bottom;
widgets[widgetIndex + 1].left = right - size.height + 1; // subtract height to maintain aspect ratio
widgets[widgetIndex + 1].top = origin.y + 1;
widgets[widgetIndex + 1].right = right - 1;
widgets[widgetIndex + 1].bottom = bottom - 1;
}
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