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OpenRCT2/src/openrct2/interface/Window.cpp

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/*****************************************************************************
* Copyright (c) 2014-2019 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 "../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/Localisation.h"
#include "../localisation/StringIds.h"
#include "../platform/platform.h"
#include "../scenario/Scenario.h"
#include "../sprites.h"
#include "../ui/UiContext.h"
#include "../ui/WindowManager.h"
#include "../world/Map.h"
#include "../world/Sprite.h"
#include "Viewport.h"
#include "Widget.h"
#include "Window_internal.h"
#include <algorithm>
#include <cmath>
#include <iterator>
#include <list>
std::list<std::unique_ptr<rct_window>> g_window_list;
rct_window* gWindowAudioExclusive;
uint16_t TextInputDescriptionArgs[4];
widget_identifier gCurrentTextBox = { { 255, 0 }, 0 };
char gTextBoxInput[TEXT_INPUT_SIZE] = { 0 };
int32_t gMaxTextBoxInputLength = 0;
int32_t gTextBoxFrameNo = 0;
bool gUsingWidgetTextBox = false;
TextInputSession* gTextInput;
uint16_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 const 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
static int32_t window_draw_split(
rct_drawpixelinfo* dpi, rct_window* w, int32_t left, int32_t top, int32_t right, int32_t bottom);
static void window_draw_single(rct_drawpixelinfo* dpi, rct_window* w, int32_t left, int32_t top, int32_t right, int32_t bottom);
std::list<std::unique_ptr<rct_window>>::iterator window_get_iterator(const rct_window* w)
{
return std::find_if(g_window_list.begin(), g_window_list.end(), [w](const std::unique_ptr<rct_window>& w2) -> bool {
return w == w2.get();
});
}
/**
*
* rct2: 0x006ED7B0
*/
void window_dispatch_update_all()
{
// gTooltipNotShownTicks++;
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
window_event_update_call((*it).get());
it = itNext;
}
}
void window_update_all_viewports()
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
if ((*it)->viewport != nullptr && window_is_visible((*it).get()))
{
viewport_update_position((*it).get());
}
it = itNext;
}
}
/**
*
* rct2: 0x006E77A1
*/
void window_update_all()
{
// gfx_draw_all_dirty_blocks();
// window_update_all_viewports();
// gfx_draw_all_dirty_blocks();
// 1000 tick update
gWindowUpdateTicks += gCurrentDeltaTime;
if (gWindowUpdateTicks >= 1000)
{
gWindowUpdateTicks = 0;
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = (*it).get();
window_event_periodic_update_call(w);
it = itNext;
}
}
// Border flash invalidation
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->flags & WF_WHITE_BORDER_MASK)
{
w->flags -= WF_WHITE_BORDER_ONE;
if (!(w->flags & WF_WHITE_BORDER_MASK))
{
window_invalidate(w);
}
}
it = itNext;
}
auto windowManager = OpenRCT2::GetContext()->GetUiContext()->GetWindowManager();
windowManager->UpdateMouseWheel();
}
static void window_close_surplus(int32_t cap, int8_t avoid_classification)
{
// find the amount of windows that are currently open
auto count = (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
rct_window* foundW{};
for (auto& w : g_window_list)
{
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 rct_windowclass (as user may be modifying via options)
if (avoid_classification != -1 && foundW != nullptr && foundW->classification == avoid_classification)
{
continue;
}
window_close(foundW);
}
}
/*
* Changes the maximum amount of windows allowed
*/
void window_set_window_limit(int32_t value)
{
int32_t prev = gConfigGeneral.window_limit;
int32_t val = std::clamp(value, WINDOW_LIMIT_MIN, WINDOW_LIMIT_MAX);
gConfigGeneral.window_limit = val;
config_save_default();
// Checks if value decreases and then closes surplus
// windows if one sets a limit lower than the number of windows open
if (val < prev)
{
window_close_surplus(val, WC_OPTIONS);
}
}
/**
* Closes the specified window.
* rct2: 0x006ECD4C
*
* @param window The window to close (esi).
*/
void window_close(rct_window* window)
{
if (window == nullptr)
return;
// Make a copy of the window class and number in case
// the window order is changed by the close event.
rct_windowclass cls = window->classification;
rct_windownumber number = window->number;
window_event_close_call(window);
window = window_find_by_number(cls, number);
if (window == nullptr)
return;
// Remove viewport
if (window->viewport != nullptr)
{
window->viewport->width = 0;
window->viewport = nullptr;
}
// Invalidate the window (area)
window_invalidate(window);
for (auto it = g_window_list.begin(); it != g_window_list.end(); it++)
{
if ((*it).get() == window)
{
g_window_list.erase(it);
break;
}
}
}
/**
* Closes all windows with the specified window class.
* rct2: 0x006ECCF4
* @param cls (cl) with bit 15 set
*/
void window_close_by_class(rct_windowclass cls)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls)
{
window_close(w);
}
it = itNext;
}
}
/**
* Closes all windows with specified window class and number.
* rct2: 0x006ECCF4
* @param cls (cl) without bit 15 set
* @param number (dx)
*/
void window_close_by_number(rct_windowclass cls, rct_windownumber number)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls && w->number == number)
{
window_close(w);
}
it = itNext;
}
}
/**
* 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.
*/
rct_window* window_find_by_class(rct_windowclass cls)
{
for (auto& w : g_window_list)
{
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.
*/
rct_window* window_find_by_number(rct_windowclass cls, rct_windownumber number)
{
for (auto& w : g_window_list)
{
if (w->classification == cls && w->number == number)
{
return w.get();
}
}
return nullptr;
}
/**
* Closes the top-most window
*
* rct2: 0x006E403C
*/
void window_close_top()
{
window_close_by_class(WC_DROPDOWN);
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR)
if (gS6Info.editor_step != EDITOR_STEP_LANDSCAPE_EDITOR)
return;
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = (*it);
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
{
window_close(w.get());
break;
}
}
}
/**
* Closes all open windows
*
* rct2: 0x006EE927
*/
void window_close_all()
{
window_close_by_class(WC_DROPDOWN);
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
window_close(w);
it = itNext;
}
}
void window_close_all_except_class(rct_windowclass cls)
{
window_close_by_class(WC_DROPDOWN);
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification != cls && !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
{
window_close(w);
}
it = itNext;
}
}
/**
* Closes all windows, save for those having any of the passed flags.
*/
void window_close_all_except_flags(uint16_t flags)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (!(w->flags & flags))
{
window_close(w);
}
it = itNext;
}
}
/**
*
* rct2: 0x006EA845
*/
rct_window* window_find_from_point(int32_t x, int32_t y)
{
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = *it;
if (x < w->x || x >= w->x + w->width || y < w->y || y >= w->y + w->height)
continue;
if (w->flags & WF_NO_BACKGROUND)
{
auto widgetIndex = window_find_widget_from_point(w.get(), x, y);
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
*/
rct_widgetindex window_find_widget_from_point(rct_window* w, int32_t x, int32_t y)
{
// Invalidate the window
window_event_invalidate_call(w);
// Find the widget at point x, y
rct_widgetindex widget_index = -1;
for (int32_t i = 0;; i++)
{
rct_widget* widget = &w->widgets[i];
if (widget->type == WWT_LAST)
{
break;
}
else if (widget->type != WWT_EMPTY)
{
if (x >= w->x + widget->left && x <= w->x + widget->right && y >= w->y + widget->top && y <= w->y + widget->bottom)
{
widget_index = i;
}
}
}
// Return next widget if a dropdown
if (widget_index != -1)
if (w->widgets[widget_index].type == WWT_DROPDOWN)
widget_index++;
// Return the widget index
return widget_index;
}
/**
* Invalidates the specified window.
* rct2: 0x006EB13A
*
* @param window The window to invalidate (esi).
*/
void window_invalidate(rct_window* window)
{
if (window != nullptr)
gfx_set_dirty_blocks(window->x, window->y, window->x + window->width, window->y + window->height);
}
/**
* Invalidates all windows with the specified window class.
* rct2: 0x006EC3AC
* @param cls (al) with bit 14 set
*/
void window_invalidate_by_class(rct_windowclass cls)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls)
{
window_invalidate(w);
}
it = itNext;
}
}
/**
* Invalidates all windows with the specified window class and number.
* rct2: 0x006EC3AC
*/
void window_invalidate_by_number(rct_windowclass cls, rct_windownumber number)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls && w->number == number)
{
window_invalidate(w);
}
it = itNext;
}
}
/**
* Invalidates all windows.
*/
void window_invalidate_all()
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
window_invalidate(w);
it = itNext;
}
}
/**
* Invalidates the specified widget of a window.
* rct2: 0x006EC402
*/
void widget_invalidate(rct_window* w, rct_widgetindex widgetIndex)
{
rct_widget* widget;
assert(w != nullptr);
#ifdef DEBUG
for (int32_t i = 0; i <= widgetIndex; i++)
{
assert(w->widgets[i].type != WWT_LAST);
}
#endif
widget = &w->widgets[widgetIndex];
if (widget->left == -2)
return;
gfx_set_dirty_blocks(w->x + widget->left, w->y + widget->top, w->x + widget->right + 1, w->y + widget->bottom + 1);
}
/**
* Invalidates the specified widget of all windows that match the specified window class.
*/
void widget_invalidate_by_class(rct_windowclass cls, rct_widgetindex widgetIndex)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls)
{
widget_invalidate(w, widgetIndex);
}
it = itNext;
}
}
/**
* Invalidates the specified widget of all windows that match the specified window class and number.
* rct2: 0x006EC3AC
*/
void widget_invalidate_by_number(rct_windowclass cls, rct_windownumber number, rct_widgetindex widgetIndex)
{
auto it = g_window_list.begin();
while (it != g_window_list.end())
{
auto itNext = std::next(it);
auto w = it->get();
if (w->classification == cls && w->number == number)
{
widget_invalidate(w, widgetIndex);
}
it = itNext;
}
}
/**
*
* rct2: 0x006EAE4E
*
* @param w The window (esi).
*/
void window_update_scroll_widgets(rct_window* w)
{
int32_t scrollIndex, width, height, scrollPositionChanged;
rct_widgetindex widgetIndex;
rct_scroll* scroll;
rct_widget* widget;
widgetIndex = 0;
scrollIndex = 0;
assert(w != nullptr);
for (widget = w->widgets; widget->type != WWT_LAST; widget++, widgetIndex++)
{
if (widget->type != WWT_SCROLL)
continue;
scroll = &w->scrolls[scrollIndex];
width = 0;
height = 0;
window_get_scroll_size(w, scrollIndex, &width, &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)
{
widget_scroll_update_thumbs(w, widgetIndex);
window_invalidate(w);
}
scrollIndex++;
}
}
int32_t window_get_scroll_data_index(rct_window* w, rct_widgetindex widget_index)
{
int32_t i, result;
result = 0;
assert(w != nullptr);
for (i = 0; i < widget_index; i++)
{
if (w->widgets[i].type == WWT_SCROLL)
result++;
}
return result;
}
/**
*
* rct2: 0x006ECDA4
*/
rct_window* window_bring_to_front(rct_window* w)
{
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
{
auto itSourcePos = window_get_iterator(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);
window_invalidate(w);
if (w->x + w->width < 20)
{
int32_t i = 20 - w->x;
w->x += i;
if (w->viewport != nullptr)
w->viewport->x += i;
window_invalidate(w);
}
}
}
return w;
}
rct_window* window_bring_to_front_by_class_with_flags(rct_windowclass cls, uint16_t flags)
{
rct_window* w;
w = window_find_by_class(cls);
if (w != nullptr)
{
w->flags |= flags;
window_invalidate(w);
w = window_bring_to_front(w);
}
return w;
}
rct_window* window_bring_to_front_by_class(rct_windowclass cls)
{
return window_bring_to_front_by_class_with_flags(cls, WF_WHITE_BORDER_MASK);
}
/**
*
* rct2: 0x006ED78A
* cls (cl)
* number (dx)
*/
rct_window* window_bring_to_front_by_number(rct_windowclass cls, rct_windownumber number)
{
rct_window* w;
w = window_find_by_number(cls, number);
if (w != nullptr)
{
w->flags |= WF_WHITE_BORDER_MASK;
window_invalidate(w);
w = window_bring_to_front(w);
}
return w;
}
/**
*
* rct2: 0x006EE65A
*/
void window_push_others_right(rct_window* window)
{
for (auto& w : g_window_list)
{
if (w.get() == window)
continue;
if (w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
continue;
if (w->x >= window->x + window->width)
continue;
if (w->x + w->width <= window->x)
continue;
if (w->y >= window->y + window->height)
continue;
if (w->y + w->height <= window->y)
continue;
window_invalidate(w.get());
if (window->x + window->width + 13 >= context_get_width())
continue;
uint16_t push_amount = window->x + window->width - w->x + 3;
w->x += push_amount;
window_invalidate(w.get());
if (w->viewport != nullptr)
w->viewport->x += push_amount;
}
}
/**
*
* rct2: 0x006EE6EA
*/
void window_push_others_below(rct_window* w1)
{
int32_t push_amount;
// Enumerate through all other windows
for (auto& w2 : g_window_list)
{
if (w1 == w2.get())
continue;
// ?
if (w2->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
continue;
// Check if w2 intersects with w1
if (w2->x > (w1->x + w1->width) || w2->x + w2->width < w1->x)
continue;
if (w2->y > (w1->y + w1->height) || w2->y + w2->height < w1->y)
continue;
// Check if there is room to push it down
if (w1->y + w1->height + 80 >= context_get_height())
continue;
// Invalidate the window's current area
window_invalidate(w2.get());
push_amount = w1->y + w1->height - w2->y + 3;
w2->y += push_amount;
// Invalidate the window's new area
window_invalidate(w2.get());
// Update viewport position if necessary
if (w2->viewport != nullptr)
w2->viewport->y += push_amount;
}
}
/**
*
* rct2: 0x006EE2E4
*/
rct_window* window_get_main()
{
for (auto& w : g_window_list)
{
if (w->classification == WC_MAIN_WINDOW)
{
return w.get();
}
}
return nullptr;
}
/**
* Based on
* rct2: 0x696ee9, 0x66842F, 0x006AF3B3
*/
void window_scroll_to_viewport(rct_window* w)
{
int32_t x, y, z;
rct_window* mainWindow;
assert(w != nullptr);
// In original checked to make sure x and y were not -1 as well.
if (w->viewport == nullptr || w->viewport_focus_coordinates.y == -1)
return;
if (w->viewport_focus_sprite.type & VIEWPORT_FOCUS_TYPE_SPRITE)
{
rct_sprite* sprite = get_sprite(w->viewport_focus_sprite.sprite_id);
x = sprite->generic.x;
y = sprite->generic.y;
z = sprite->generic.z;
}
else
{
x = w->viewport_focus_coordinates.x;
y = w->viewport_focus_coordinates.y & VIEWPORT_FOCUS_Y_MASK;
z = w->viewport_focus_coordinates.z;
}
mainWindow = window_get_main();
if (mainWindow != nullptr)
window_scroll_to_location(mainWindow, x, y, z);
}
void window_set_location(rct_window* w, int32_t x, int32_t y, int32_t z)
{
window_scroll_to_location(w, x, y, z);
w->flags &= ~WF_SCROLLING_TO_LOCATION;
}
/**
*
* rct2: 0x006E7C9C
* @param w (esi)
* @param x (eax)
* @param y (ecx)
* @param z (edx)
*/
void window_scroll_to_location(rct_window* w, int32_t x, int32_t y, int32_t z)
{
log_info("YEP");
LocationXYZ16 location_3d = { (int16_t)x, (int16_t)y, (int16_t)z };
assert(w != nullptr);
window_unfollow_sprite(w);
if (w->viewport)
{
int16_t height = tile_element_height(x, y);
if (z < height - 16)
{
if (!(w->viewport->flags & 1 << 0))
{
w->viewport->flags |= 1 << 0;
window_invalidate(w);
}
}
else
{
if (w->viewport->flags & 1 << 0)
{
w->viewport->flags &= ~(1 << 0);
window_invalidate(w);
}
}
LocationXY16 map_coordinate = coordinate_3d_to_2d(&location_3d, get_current_rotation());
int32_t i = 0;
if (!(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO))
{
bool found = false;
while (!found)
{
int16_t x2 = w->viewport->x + (int16_t)(w->viewport->width * window_scroll_locations[i][0]);
int16_t y2 = w->viewport->y + (int16_t)(w->viewport->height * window_scroll_locations[i][1]);
auto it = window_get_iterator(w);
for (; it != g_window_list.end(); it++)
{
auto w2 = (*it).get();
int16_t x1 = w2->x - 10;
int16_t y1 = w2->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 >= (int32_t)std::size(window_scroll_locations))
{
i = 0;
found = true;
}
}
}
// rct2: 0x006E7C76
if (w->viewport_target_sprite == SPRITE_INDEX_NULL)
{
if (!(w->flags & WF_NO_SCROLLING))
{
w->saved_view_x = map_coordinate.x - (int16_t)(w->viewport->view_width * window_scroll_locations[i][0]);
w->saved_view_y = map_coordinate.y - (int16_t)(w->viewport->view_height * window_scroll_locations[i][1]);
w->flags |= WF_SCROLLING_TO_LOCATION;
}
}
}
}
/**
*
* rct2: 0x00688956
*/
static void call_event_viewport_rotate_on_all_windows()
{
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto w = it->get();
window_event_viewport_rotate_call(w);
}
}
/**
*
* rct2: 0x0068881A
* direction can be used to alter the camera rotation:
* 1: clockwise
* -1: anti-clockwise
*/
void window_rotate_camera(rct_window* w, int32_t direction)
{
rct_viewport* viewport = w->viewport;
if (viewport == nullptr)
return;
int16_t x = (viewport->width >> 1) + viewport->x;
int16_t y = (viewport->height >> 1) + viewport->y;
int16_t z;
// has something to do with checking if middle of the viewport is obstructed
rct_viewport* other;
screen_get_map_xy(x, y, &x, &y, &other);
// other != viewport probably triggers on viewports in ride or guest window?
// x is LOCATION_NULL if middle of viewport is obstructed by another window?
if (x == LOCATION_NULL || other != viewport)
{
x = (viewport->view_width >> 1) + viewport->view_x;
y = (viewport->view_height >> 1) + viewport->view_y;
viewport_adjust_for_map_height(&x, &y, &z);
}
else
{
z = tile_element_height(x, y);
}
gCurrentRotation = (get_current_rotation() + direction) & 3;
int32_t new_x, new_y;
centre_2d_coordinates(x, y, z, &new_x, &new_y, viewport);
w->saved_view_x = new_x;
w->saved_view_y = new_y;
viewport->view_x = new_x;
viewport->view_y = new_y;
window_invalidate(w);
call_event_viewport_rotate_on_all_windows();
reset_all_sprite_quadrant_placements();
}
void window_viewport_get_map_coords_by_cursor(
rct_window* w, int16_t* map_x, int16_t* map_y, int16_t* offset_x, int16_t* offset_y)
{
// Get mouse position to offset against.
int32_t mouse_x, mouse_y;
context_get_cursor_position_scaled(&mouse_x, &mouse_y);
// Compute map coordinate by mouse position.
get_map_coordinates_from_pos(mouse_x, mouse_y, VIEWPORT_INTERACTION_MASK_NONE, map_x, map_y, nullptr, nullptr, nullptr);
// Get viewport coordinates centring around the tile.
int32_t base_height = tile_element_height(*map_x, *map_y);
int32_t dest_x, dest_y;
centre_2d_coordinates(*map_x, *map_y, base_height, &dest_x, &dest_y, w->viewport);
// Rebase mouse position onto centre of window, and compensate for zoom level.
int32_t rebased_x = ((w->width >> 1) - mouse_x) * (1 << w->viewport->zoom),
rebased_y = ((w->height >> 1) - mouse_y) * (1 << w->viewport->zoom);
// Compute cursor offset relative to tile.
*offset_x = (w->saved_view_x - (dest_x + rebased_x)) * (1 << w->viewport->zoom);
*offset_y = (w->saved_view_y - (dest_y + rebased_y)) * (1 << w->viewport->zoom);
}
void window_viewport_centre_tile_around_cursor(rct_window* w, int16_t map_x, int16_t map_y, int16_t offset_x, int16_t offset_y)
{
// Get viewport coordinates centring around the tile.
int32_t dest_x, dest_y;
int32_t base_height = tile_element_height(map_x, map_y);
centre_2d_coordinates(map_x, map_y, base_height, &dest_x, &dest_y, w->viewport);
// Get mouse position to offset against.
int32_t mouse_x, mouse_y;
context_get_cursor_position_scaled(&mouse_x, &mouse_y);
// Rebase mouse position onto centre of window, and compensate for zoom level.
int32_t rebased_x = ((w->width >> 1) - mouse_x) * (1 << w->viewport->zoom),
rebased_y = ((w->height >> 1) - mouse_y) * (1 << w->viewport->zoom);
// Apply offset to the viewport.
w->saved_view_x = dest_x + rebased_x + (offset_x / (1 << w->viewport->zoom));
w->saved_view_y = dest_y + rebased_y + (offset_y / (1 << w->viewport->zoom));
}
void window_zoom_set(rct_window* w, int32_t zoomLevel, bool atCursor)
{
rct_viewport* v = w->viewport;
zoomLevel = std::clamp(zoomLevel, 0, MAX_ZOOM_LEVEL);
if (v->zoom == zoomLevel)
return;
// Zooming to cursor? Remember where we're pointing at the moment.
int16_t saved_map_x = 0;
int16_t saved_map_y = 0;
int16_t offset_x = 0;
int16_t offset_y = 0;
if (gConfigGeneral.zoom_to_cursor && atCursor)
{
window_viewport_get_map_coords_by_cursor(w, &saved_map_x, &saved_map_y, &offset_x, &offset_y);
}
// Zoom in
while (v->zoom > zoomLevel)
{
v->zoom--;
w->saved_view_x += v->view_width / 4;
w->saved_view_y += v->view_height / 4;
v->view_width /= 2;
v->view_height /= 2;
}
// Zoom out
while (v->zoom < zoomLevel)
{
v->zoom++;
w->saved_view_x -= v->view_width / 2;
w->saved_view_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.zoom_to_cursor && atCursor)
{
window_viewport_centre_tile_around_cursor(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.
window_bring_to_front(w);
window_invalidate(w);
}
/**
*
* rct2: 0x006887A6
*/
void window_zoom_in(rct_window* w, bool atCursor)
{
window_zoom_set(w, w->viewport->zoom - 1, atCursor);
}
/**
*
* rct2: 0x006887E0
*/
void window_zoom_out(rct_window* w, bool atCursor)
{
window_zoom_set(w, w->viewport->zoom + 1, atCursor);
}
void main_window_zoom(bool zoomIn, bool atCursor)
{
if (gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)
return;
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) || gS6Info.editor_step == EDITOR_STEP_LANDSCAPE_EDITOR)
{
if (!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
{
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
window_zoom_set(mainWindow, mainWindow->viewport->zoom + (zoomIn ? -1 : 1), atCursor);
}
}
}
/**
* Draws a window that is in the specified region.
* rct2: 0x006E756C
* left (ax)
* top (bx)
* right (dx)
* bottom (bp)
*/
void window_draw(rct_drawpixelinfo* dpi, rct_window* w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
if (!window_is_visible(w))
return;
// Split window into only the regions that require drawing
if (window_draw_split(dpi, w, left, top, right, bottom))
return;
// Clamp region
left = std::max<int32_t>(left, w->x);
top = std::max<int32_t>(top, w->y);
right = std::min<int32_t>(right, w->x + w->width);
bottom = std::min<int32_t>(bottom, w->y + w->height);
if (left >= right)
return;
if (top >= bottom)
return;
// Draw the window in this region
for (auto it = window_get_iterator(w); it != g_window_list.end(); it++)
{
// Don't draw overlapping opaque windows, they won't have changed
auto v = (*it).get();
if ((w == v || (v->flags & WF_TRANSPARENT)) && window_is_visible(v))
{
window_draw_single(dpi, v, left, top, right, bottom);
}
}
}
/**
* Splits a drawing of a window into regions that can be seen and are not hidden
* by other opaque overlapping windows.
*/
static int32_t window_draw_split(
rct_drawpixelinfo* dpi, rct_window* w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
// Divide the draws up for only the visible regions of the window recursively
auto itPos = window_get_iterator(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->x >= right || topwindow->y >= bottom)
continue;
if (topwindow->x + topwindow->width <= left || topwindow->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->x > left)
{
// Split draw at topwindow.left
window_draw(dpi, w, left, top, topwindow->x, bottom);
window_draw(dpi, w, topwindow->x, top, right, bottom);
}
else if (topwindow->x + topwindow->width < right)
{
// Split draw at topwindow.right
window_draw(dpi, w, left, top, topwindow->x + topwindow->width, bottom);
window_draw(dpi, w, topwindow->x + topwindow->width, top, right, bottom);
}
else if (topwindow->y > top)
{
// Split draw at topwindow.top
window_draw(dpi, w, left, top, right, topwindow->y);
window_draw(dpi, w, left, topwindow->y, right, bottom);
}
else if (topwindow->y + topwindow->height < bottom)
{
// Split draw at topwindow.bottom
window_draw(dpi, w, left, top, right, topwindow->y + topwindow->height);
window_draw(dpi, w, left, topwindow->y + topwindow->height, right, bottom);
}
// Drawing for this region should be done now, exit
return 1;
}
// No windows overlap
return 0;
}
static void window_draw_single(rct_drawpixelinfo* dpi, rct_window* w, int32_t left, int32_t top, int32_t right, int32_t bottom)
{
// Copy dpi so we can crop it
rct_drawpixelinfo copy = *dpi;
dpi = &copy;
// Clamp left to 0
int32_t overflow = left - dpi->x;
if (overflow > 0)
{
dpi->x += overflow;
dpi->width -= overflow;
if (dpi->width <= 0)
return;
dpi->pitch += overflow;
dpi->bits += overflow;
}
// Clamp width to right
overflow = dpi->x + dpi->width - right;
if (overflow > 0)
{
dpi->width -= overflow;
if (dpi->width <= 0)
return;
dpi->pitch += overflow;
}
// Clamp top to 0
overflow = top - dpi->y;
if (overflow > 0)
{
dpi->y += overflow;
dpi->height -= overflow;
if (dpi->height <= 0)
return;
dpi->bits += (dpi->width + dpi->pitch) * overflow;
}
// Clamp height to bottom
overflow = dpi->y + dpi->height - bottom;
if (overflow > 0)
{
dpi->height -= overflow;
if (dpi->height <= 0)
return;
}
// Invalidate modifies the window colours so first get the correct
// colour before setting the global variables for the string painting
window_event_invalidate_call(w);
// 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]);
window_event_paint_call(w, dpi);
}
/**
*
* rct2: 0x00685BE1
*
* @param dpi (edi)
* @param w (esi)
*/
void window_draw_viewport(rct_drawpixelinfo* dpi, rct_window* w)
{
viewport_render(dpi, w->viewport, dpi->x, dpi->y, dpi->x + dpi->width, dpi->y + dpi->height);
}
void window_set_position(rct_window* w, int32_t x, int32_t y)
{
window_move_position(w, x - w->x, y - w->y);
}
void window_move_position(rct_window* w, int32_t dx, int32_t dy)
{
if (dx == 0 && dy == 0)
return;
// Invalidate old region
window_invalidate(w);
// Translate window and viewport
w->x += dx;
w->y += dy;
if (w->viewport != nullptr)
{
w->viewport->x += dx;
w->viewport->y += dy;
}
// Invalidate new region
window_invalidate(w);
}
void window_resize(rct_window* w, int32_t dw, int32_t dh)
{
int32_t i;
if (dw == 0 && dh == 0)
return;
// Invalidate old region
window_invalidate(w);
// Clamp new size to minimum and maximum
w->width = std::clamp<int16_t>(w->width + dw, w->min_width, w->max_width);
w->height = std::clamp<int16_t>(w->height + dh, w->min_height, w->max_height);
window_event_resize_call(w);
window_event_invalidate_call(w);
// Update scroll widgets
for (i = 0; i < 3; i++)
{
w->scrolls[i].h_right = WINDOW_SCROLL_UNDEFINED;
w->scrolls[i].v_bottom = WINDOW_SCROLL_UNDEFINED;
}
window_update_scroll_widgets(w);
// Invalidate new region
window_invalidate(w);
}
void window_set_resize(rct_window* 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, minWidth, maxWidth);
int32_t height = std::clamp<int32_t>(w->height, minHeight, maxHeight);
// Resize window if size has changed
if (w->width != width || w->height != height)
{
window_invalidate(w);
w->width = width;
w->height = height;
window_invalidate(w);
}
}
/**
*
* rct2: 0x006EE212
*
* @param tool (al)
* @param widgetIndex (dx)
* @param w (esi)
*/
bool tool_set(rct_window* w, rct_widgetindex widgetIndex, TOOL_IDX tool)
{
if (input_test_flag(INPUT_FLAG_TOOL_ACTIVE))
{
if (w->classification == gCurrentToolWidget.window_classification && w->number == gCurrentToolWidget.window_number
&& widgetIndex == gCurrentToolWidget.widget_index)
{
tool_cancel();
return true;
}
else
{
tool_cancel();
}
}
input_set_flag(INPUT_FLAG_TOOL_ACTIVE, true);
input_set_flag(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 tool_cancel()
{
if (input_test_flag(INPUT_FLAG_TOOL_ACTIVE))
{
input_set_flag(INPUT_FLAG_TOOL_ACTIVE, false);
map_invalidate_selection_rect();
map_invalidate_map_selection_tiles();
// Reset map selection
gMapSelectFlags = 0;
if (gCurrentToolWidget.widget_index != -1)
{
// Invalidate tool widget
widget_invalidate_by_number(
gCurrentToolWidget.window_classification, gCurrentToolWidget.window_number, gCurrentToolWidget.widget_index);
// Abort tool event
rct_window* w = window_find_by_number(gCurrentToolWidget.window_classification, gCurrentToolWidget.window_number);
if (w != nullptr)
window_event_tool_abort_call(w, gCurrentToolWidget.widget_index);
}
}
}
void window_event_close_call(rct_window* w)
{
if (w->event_handlers->close != nullptr)
w->event_handlers->close(w);
}
void window_event_mouse_up_call(rct_window* w, rct_widgetindex widgetIndex)
{
if (w->event_handlers->mouse_up != nullptr)
w->event_handlers->mouse_up(w, widgetIndex);
}
void window_event_resize_call(rct_window* w)
{
if (w->event_handlers->resize != nullptr)
w->event_handlers->resize(w);
}
void window_event_mouse_down_call(rct_window* w, rct_widgetindex widgetIndex)
{
if (w->event_handlers->mouse_down != nullptr)
w->event_handlers->mouse_down(w, widgetIndex, &w->widgets[widgetIndex]);
}
void window_event_dropdown_call(rct_window* w, rct_widgetindex widgetIndex, int32_t dropdownIndex)
{
if (w->event_handlers->dropdown != nullptr)
w->event_handlers->dropdown(w, widgetIndex, dropdownIndex);
}
void window_event_unknown_05_call(rct_window* w)
{
if (w->event_handlers->unknown_05 != nullptr)
w->event_handlers->unknown_05(w);
}
void window_event_update_call(rct_window* w)
{
if (w->event_handlers->update != nullptr)
w->event_handlers->update(w);
}
void window_event_periodic_update_call(rct_window* w)
{
if (w->event_handlers->periodic_update != nullptr)
w->event_handlers->periodic_update(w);
}
void window_event_unknown_08_call(rct_window* w)
{
if (w->event_handlers->unknown_08 != nullptr)
w->event_handlers->unknown_08(w);
}
void window_event_tool_update_call(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
{
if (w->event_handlers->tool_update != nullptr)
w->event_handlers->tool_update(w, widgetIndex, x, y);
}
void window_event_tool_down_call(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
{
if (w->event_handlers->tool_down != nullptr)
w->event_handlers->tool_down(w, widgetIndex, x, y);
}
void window_event_tool_drag_call(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
{
if (w->event_handlers->tool_drag != nullptr)
w->event_handlers->tool_drag(w, widgetIndex, x, y);
}
void window_event_tool_up_call(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
{
if (w->event_handlers->tool_up != nullptr)
w->event_handlers->tool_up(w, widgetIndex, x, y);
}
void window_event_tool_abort_call(rct_window* w, rct_widgetindex widgetIndex)
{
if (w->event_handlers->tool_abort != nullptr)
w->event_handlers->tool_abort(w, widgetIndex);
}
void window_event_unknown_0E_call(rct_window* w)
{
if (w->event_handlers->unknown_0E != nullptr)
w->event_handlers->unknown_0E(w);
}
void window_get_scroll_size(rct_window* w, int32_t scrollIndex, int32_t* width, int32_t* height)
{
if (w->event_handlers->get_scroll_size != nullptr)
{
w->event_handlers->get_scroll_size(w, scrollIndex, width, height);
}
}
void window_event_scroll_mousedown_call(rct_window* w, int32_t scrollIndex, int32_t x, int32_t y)
{
if (w->event_handlers->scroll_mousedown != nullptr)
w->event_handlers->scroll_mousedown(w, scrollIndex, x, y);
}
void window_event_scroll_mousedrag_call(rct_window* w, int32_t scrollIndex, int32_t x, int32_t y)
{
if (w->event_handlers->scroll_mousedrag != nullptr)
w->event_handlers->scroll_mousedrag(w, scrollIndex, x, y);
}
void window_event_scroll_mouseover_call(rct_window* w, int32_t scrollIndex, int32_t x, int32_t y)
{
if (w->event_handlers->scroll_mouseover != nullptr)
w->event_handlers->scroll_mouseover(w, scrollIndex, x, y);
}
void window_event_textinput_call(rct_window* w, rct_widgetindex widgetIndex, char* text)
{
if (w->event_handlers->text_input != nullptr)
w->event_handlers->text_input(w, widgetIndex, text);
}
void window_event_viewport_rotate_call(rct_window* w)
{
if (w->event_handlers->viewport_rotate != nullptr)
w->event_handlers->viewport_rotate(w);
}
void window_event_unknown_15_call(rct_window* w, int32_t scrollIndex, int32_t scrollAreaType)
{
if (w->event_handlers->unknown_15 != nullptr)
w->event_handlers->unknown_15(w, scrollIndex, scrollAreaType);
}
rct_string_id window_event_tooltip_call(rct_window* w, rct_widgetindex widgetIndex)
{
rct_string_id result = 0;
if (w->event_handlers->tooltip != nullptr)
w->event_handlers->tooltip(w, widgetIndex, &result);
return result;
}
int32_t window_event_cursor_call(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
{
int32_t cursorId = CURSOR_ARROW;
if (w->event_handlers->cursor != nullptr)
w->event_handlers->cursor(w, widgetIndex, x, y, &cursorId);
return cursorId;
}
void window_event_moved_call(rct_window* w, int32_t x, int32_t y)
{
if (w->event_handlers->moved != nullptr)
w->event_handlers->moved(w, x, y);
}
void window_event_invalidate_call(rct_window* w)
{
if (w->event_handlers->invalidate != nullptr)
w->event_handlers->invalidate(w);
}
void window_event_paint_call(rct_window* w, rct_drawpixelinfo* dpi)
{
if (w->event_handlers->paint != nullptr)
w->event_handlers->paint(w, dpi);
}
void window_event_scroll_paint_call(rct_window* w, rct_drawpixelinfo* dpi, int32_t scrollIndex)
{
if (w->event_handlers->scroll_paint != nullptr)
w->event_handlers->scroll_paint(w, dpi, scrollIndex);
}
/**
* Bubbles an item one position up in the window list. This is done by swapping
* the two locations.
* rct2: New function not from rct2
*/
void window_bubble_list_item(rct_window* w, int32_t item_position)
{
char swap = w->list_item_positions[item_position];
w->list_item_positions[item_position] = w->list_item_positions[item_position + 1];
w->list_item_positions[item_position + 1] = swap;
}
/**
*
* rct2: 0x006ED710
* Called after a window resize to move windows if they
* are going to be out of sight.
*/
void window_relocate_windows(int32_t width, int32_t height)
{
int32_t new_location = 8;
for (auto& w : g_window_list)
{
// Work out if the window requires moving
if (w->x + 10 < width)
{
if (w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
{
if (w->y - 22 < height)
{
continue;
}
}
if (w->y + 10 < height)
{
continue;
}
}
// Calculate the new locations
int32_t x = w->x;
int32_t y = w->y;
w->x = new_location;
w->y = new_location + TOP_TOOLBAR_HEIGHT + 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->x -= x - w->x;
w->viewport->y -= y - w->y;
}
}
}
/**
* rct2: 0x0066B905
*/
void window_resize_gui(int32_t width, int32_t height)
{
if (gScreenFlags & SCREEN_FLAGS_EDITOR)
{
window_resize_gui_scenario_editor(width, height);
return;
}
rct_window* mainWind = window_get_main();
if (mainWind != nullptr)
{
rct_viewport* viewport = mainWind->viewport;
mainWind->width = width;
mainWind->height = height;
viewport->width = width;
viewport->height = height;
viewport->view_width = width << viewport->zoom;
viewport->view_height = height << viewport->zoom;
if (mainWind->widgets != nullptr && mainWind->widgets[WC_MAIN_WINDOW__0].type == WWT_VIEWPORT)
{
mainWind->widgets[WC_MAIN_WINDOW__0].right = width;
mainWind->widgets[WC_MAIN_WINDOW__0].bottom = height;
}
}
rct_window* topWind = window_find_by_class(WC_TOP_TOOLBAR);
if (topWind != nullptr)
{
topWind->width = std::max(640, width);
}
rct_window* bottomWind = window_find_by_class(WC_BOTTOM_TOOLBAR);
if (bottomWind != nullptr)
{
bottomWind->y = height - 32;
bottomWind->width = std::max(640, width);
}
rct_window* titleWind = window_find_by_class(WC_TITLE_MENU);
if (titleWind != nullptr)
{
titleWind->x = (width - titleWind->width) / 2;
titleWind->y = height - 154;
}
rct_window* exitWind = window_find_by_class(WC_TITLE_EXIT);
if (exitWind != nullptr)
{
exitWind->x = width - 40;
exitWind->y = height - 64;
}
rct_window* optionsWind = window_find_by_class(WC_TITLE_OPTIONS);
if (optionsWind != nullptr)
{
optionsWind->x = width - 80;
}
gfx_invalidate_screen();
}
/**
* rct2: 0x0066F0DD
*/
void window_resize_gui_scenario_editor(int32_t width, int32_t height)
{
rct_window* mainWind = window_get_main();
if (mainWind != nullptr)
{
rct_viewport* viewport = mainWind->viewport;
mainWind->width = width;
mainWind->height = height;
viewport->width = width;
viewport->height = height;
viewport->view_width = width << viewport->zoom;
viewport->view_height = height << viewport->zoom;
if (mainWind->widgets != nullptr && mainWind->widgets[WC_MAIN_WINDOW__0].type == WWT_VIEWPORT)
{
mainWind->widgets[WC_MAIN_WINDOW__0].right = width;
mainWind->widgets[WC_MAIN_WINDOW__0].bottom = height;
}
}
rct_window* topWind = window_find_by_class(WC_TOP_TOOLBAR);
if (topWind != nullptr)
{
topWind->width = std::max(640, width);
}
rct_window* bottomWind = window_find_by_class(WC_BOTTOM_TOOLBAR);
if (bottomWind != nullptr)
{
bottomWind->y = height - 32;
bottomWind->width = std::max(640, width);
}
}
/* Based on rct2: 0x6987ED and another version from window_park */
void window_align_tabs(rct_window* w, rct_widgetindex start_tab_id, rct_widgetindex end_tab_id)
{
int32_t i, x = w->widgets[start_tab_id].left;
int32_t tab_width = w->widgets[start_tab_id].right - w->widgets[start_tab_id].left;
for (i = start_tab_id; i <= end_tab_id; i++)
{
if (!(w->disabled_widgets & (1LL << i)))
{
w->widgets[i].left = x;
w->widgets[i].right = x + tab_width;
x += tab_width + 1;
}
}
}
/**
*
* rct2: 0x006CBCC3
*/
void window_close_construction_windows()
{
window_close_by_class(WC_RIDE_CONSTRUCTION);
window_close_by_class(WC_FOOTPATH);
window_close_by_class(WC_TRACK_DESIGN_LIST);
window_close_by_class(WC_TRACK_DESIGN_PLACE);
}
/**
* Update zoom based volume attenuation for ride music and clear music list.
* rct2: 0x006BC348
*/
void window_update_viewport_ride_music()
{
gRideMusicParamsListEnd = &gRideMusicParamsList[0];
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;
switch (viewport->zoom)
{
case 0:
gVolumeAdjustZoom = 0;
break;
case 1:
gVolumeAdjustZoom = 30;
break;
default:
gVolumeAdjustZoom = 60;
break;
}
break;
}
}
static void window_snap_left(rct_window* w, int32_t proximity)
{
auto mainWindow = window_get_main();
auto wBottom = w->y + w->height;
auto wLeftProximity = w->x - (proximity * 2);
auto wRightProximity = w->x + (proximity * 2);
auto rightMost = INT32_MIN;
for (auto& w2 : g_window_list)
{
if (w2.get() == w || w2.get() == mainWindow)
continue;
auto right = w2->x + w2->width;
if (wBottom < w2->y || w->y > w2->y + w2->height)
continue;
if (right < wLeftProximity || right > wRightProximity)
continue;
rightMost = std::max(rightMost, right);
}
if (0 >= wLeftProximity && 0 <= wRightProximity)
rightMost = std::max(rightMost, 0);
if (rightMost != INT32_MIN)
w->x = rightMost;
}
static void window_snap_top(rct_window* w, int32_t proximity)
{
auto mainWindow = window_get_main();
auto wRight = w->x + w->width;
auto wTopProximity = w->y - (proximity * 2);
auto wBottomProximity = w->y + (proximity * 2);
auto bottomMost = INT32_MIN;
for (auto& w2 : g_window_list)
{
if (w2.get() == w || w2.get() == mainWindow)
continue;
auto bottom = w2->y + w2->height;
if (wRight < w2->x || w->x > w2->x + w2->width)
continue;
if (bottom < wTopProximity || bottom > wBottomProximity)
continue;
bottomMost = std::max(bottomMost, bottom);
}
if (0 >= wTopProximity && 0 <= wBottomProximity)
bottomMost = std::max(bottomMost, 0);
if (bottomMost != INT32_MIN)
w->y = bottomMost;
}
static void window_snap_right(rct_window* w, int32_t proximity)
{
auto mainWindow = window_get_main();
auto wRight = w->x + w->width;
auto wBottom = w->y + w->height;
auto wLeftProximity = wRight - (proximity * 2);
auto wRightProximity = wRight + (proximity * 2);
auto leftMost = INT32_MAX;
for (auto& w2 : g_window_list)
{
if (w2.get() == w || w2.get() == mainWindow)
continue;
if (wBottom < w2->y || w->y > w2->y + w2->height)
continue;
if (w2->x < wLeftProximity || w2->x > wRightProximity)
continue;
leftMost = std::min<int32_t>(leftMost, w2->x);
}
auto screenWidth = context_get_width();
if (screenWidth >= wLeftProximity && screenWidth <= wRightProximity)
leftMost = std::min(leftMost, screenWidth);
if (leftMost != INT32_MAX)
w->x = leftMost - w->width;
}
static void window_snap_bottom(rct_window* w, int32_t proximity)
{
auto mainWindow = window_get_main();
auto wRight = w->x + w->width;
auto wBottom = w->y + w->height;
auto wTopProximity = wBottom - (proximity * 2);
auto wBottomProximity = wBottom + (proximity * 2);
auto topMost = INT32_MAX;
for (auto& w2 : g_window_list)
{
if (w2.get() == w || w2.get() == mainWindow)
continue;
if (wRight < w2->x || w->x > w2->x + w2->width)
continue;
if (w2->y < wTopProximity || w2->y > wBottomProximity)
continue;
topMost = std::min<int32_t>(topMost, w2->y);
}
auto screenHeight = context_get_height();
if (screenHeight >= wTopProximity && screenHeight <= wBottomProximity)
topMost = std::min(topMost, screenHeight);
if (topMost != INT32_MAX)
w->y = topMost - w->height;
}
void window_move_and_snap(rct_window* w, int32_t newWindowX, int32_t newWindowY, int32_t snapProximity)
{
int32_t originalX = w->x;
int32_t originalY = w->y;
int32_t minY = (gScreenFlags & SCREEN_FLAGS_TITLE_DEMO) ? 1 : TOP_TOOLBAR_HEIGHT + 2;
newWindowY = std::clamp(newWindowY, minY, context_get_height() - 34);
if (snapProximity > 0)
{
w->x = newWindowX;
w->y = newWindowY;
window_snap_right(w, snapProximity);
window_snap_bottom(w, snapProximity);
window_snap_left(w, snapProximity);
window_snap_top(w, snapProximity);
if (w->x == originalX && w->y == originalY)
return;
newWindowX = w->x;
newWindowY = w->y;
w->x = originalX;
w->y = originalY;
}
window_set_position(w, newWindowX, newWindowY);
}
int32_t window_can_resize(rct_window* w)
{
return (w->flags & WF_RESIZABLE) && (w->min_width != w->max_width || w->min_height != w->max_height);
}
/**
*
* rct2: 0x006EE3C3
*/
void textinput_cancel()
{
window_close_by_class(WC_TEXTINPUT);
}
void window_start_textbox(
rct_window* call_w, rct_widgetindex call_widget, rct_string_id existing_text, char* existing_args, int32_t maxLength)
{
if (gUsingWidgetTextBox)
window_cancel_textbox();
gUsingWidgetTextBox = true;
gCurrentTextBox.window.classification = call_w->classification;
gCurrentTextBox.window.number = call_w->number;
gCurrentTextBox.widget_index = call_widget;
gTextBoxFrameNo = 0;
gMaxTextBoxInputLength = maxLength;
window_close_by_class(WC_TEXTINPUT);
// Clear the text input buffer
std::fill_n(gTextBoxInput, maxLength, 0x00);
// Enter in the text input buffer any existing
// text.
if (existing_text != STR_NONE)
format_string(gTextBoxInput, TEXT_INPUT_SIZE, existing_text, &existing_args);
// In order to prevent strings that exceed the maxLength
// from crashing the game.
gTextBoxInput[maxLength - 1] = '\0';
gTextInput = context_start_text_input(gTextBoxInput, maxLength);
}
void window_cancel_textbox()
{
if (gUsingWidgetTextBox)
{
rct_window* w = window_find_by_number(gCurrentTextBox.window.classification, gCurrentTextBox.window.number);
window_event_textinput_call(w, gCurrentTextBox.widget_index, nullptr);
gCurrentTextBox.window.classification = WC_NULL;
gCurrentTextBox.window.number = 0;
context_stop_text_input();
gUsingWidgetTextBox = false;
widget_invalidate(w, gCurrentTextBox.widget_index);
gCurrentTextBox.widget_index = WWT_LAST;
}
}
void window_update_textbox_caret()
{
gTextBoxFrameNo++;
if (gTextBoxFrameNo > 30)
gTextBoxFrameNo = 0;
}
void window_update_textbox()
{
if (gUsingWidgetTextBox)
{
gTextBoxFrameNo = 0;
rct_window* w = window_find_by_number(gCurrentTextBox.window.classification, gCurrentTextBox.window.number);
widget_invalidate(w, gCurrentTextBox.widget_index);
window_event_textinput_call(w, gCurrentTextBox.widget_index, gTextBoxInput);
}
}
bool window_is_visible(rct_window* w)
{
// w->visibility is used to prevent repeat calculations within an iteration by caching the result
if (w == nullptr)
return false;
if (w->visibility == VC_VISIBLE)
return true;
if (w->visibility == VC_COVERED)
return false;
// only consider viewports, consider the main window always visible
if (w->viewport == nullptr || w->classification == WC_MAIN_WINDOW)
{
// default to previous behaviour
w->visibility = VC_VISIBLE;
return true;
}
// start from the window above the current
auto itPos = window_get_iterator(w);
for (auto it = std::next(itPos); it != g_window_list.end(); it++)
{
auto& w_other = *(*it);
// if covered by a higher window, no rendering needed
if (w_other.x <= w->x && w_other.y <= w->y && w_other.x + w_other.width >= w->x + w->width
&& w_other.y + w_other.height >= w->y + w->height)
{
w->visibility = VC_COVERED;
w->viewport->visibility = VC_COVERED;
return false;
}
}
// default to previous behaviour
w->visibility = VC_VISIBLE;
w->viewport->visibility = VC_VISIBLE;
return true;
}
/**
*
* rct2: 0x006E7499
* left (ax)
* top (bx)
* right (dx)
* bottom (bp)
*/
void window_draw_all(rct_drawpixelinfo* dpi, int16_t left, int16_t top, int16_t right, int16_t bottom)
{
rct_drawpixelinfo windowDPI = *dpi;
windowDPI.bits = dpi->bits + left + ((dpi->width + dpi->pitch) * top);
windowDPI.x = left;
windowDPI.y = top;
windowDPI.width = right - left;
windowDPI.height = bottom - top;
windowDPI.pitch = dpi->width + dpi->pitch + left - right;
windowDPI.zoom_level = 0;
for (auto& w : g_window_list)
{
if (w->flags & WF_TRANSPARENT)
continue;
if (right <= w->x || bottom <= w->y)
continue;
if (left >= w->x + w->width || top >= w->y + w->height)
continue;
window_draw(&windowDPI, w.get(), left, top, right, bottom);
}
}
rct_viewport* window_get_previous_viewport(rct_viewport* current)
{
bool foundPrevious = (current == nullptr);
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = **it;
if (w.viewport != nullptr)
{
if (foundPrevious)
{
return w.viewport;
}
if (w.viewport == current)
{
foundPrevious = true;
}
}
}
return nullptr;
}
void window_reset_visibilities()
{
// reset window visibility status to unknown
for (auto& w : g_window_list)
{
w->visibility = VC_UNKNOWN;
if (w->viewport != nullptr)
{
w->viewport->visibility = VC_UNKNOWN;
}
}
}
void window_init_all()
{
window_close_all_except_flags(0);
}
void window_follow_sprite(rct_window* w, size_t spriteIndex)
{
if (spriteIndex < MAX_SPRITES || spriteIndex == SPRITE_INDEX_NULL)
{
w->viewport_smart_follow_sprite = (uint16_t)spriteIndex;
}
}
void window_unfollow_sprite(rct_window* w)
{
w->viewport_smart_follow_sprite = SPRITE_INDEX_NULL;
w->viewport_target_sprite = SPRITE_INDEX_NULL;
}
rct_viewport* window_get_viewport(rct_window* w)
{
if (w == nullptr)
{
return nullptr;
}
return w->viewport;
}
rct_window* window_get_listening()
{
for (auto it = g_window_list.rbegin(); it != g_window_list.rend(); it++)
{
auto& w = **it;
auto viewport = w.viewport;
if (viewport != nullptr)
{
if (viewport->flags & VIEWPORT_FLAG_SOUND_ON)
{
return &w;
}
}
}
return nullptr;
}
rct_windowclass window_get_classification(rct_window* window)
{
return window->classification;
}
/**
*
* rct2: 0x006EAF26
*/
void widget_scroll_update_thumbs(rct_window* w, rct_widgetindex widget_index)
{
rct_widget* widget = &w->widgets[widget_index];
rct_scroll* scroll = &w->scrolls[window_get_scroll_data_index(w, widget_index)];
if (scroll->flags & HSCROLLBAR_VISIBLE)
{
int32_t view_size = widget->right - widget->left - 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->right - widget->left - 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 = (uint16_t)std::lround(scroll->h_thumb_left - (20 * barPosition));
scroll->h_thumb_right = (uint16_t)std::lround(scroll->h_thumb_right + (20 * (1 - barPosition)));
}
}
if (scroll->flags & VSCROLLBAR_VISIBLE)
{
int32_t view_size = widget->bottom - widget->top - 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->bottom - widget->top - 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 = (uint16_t)std::lround(scroll->v_thumb_top - (20 * barPosition));
scroll->v_thumb_bottom = (uint16_t)std::lround(scroll->v_thumb_bottom + (20 * (1 - barPosition)));
}
}
}
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