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OpenRCT2/src/openrct2-ui/windows/ViewClipping.cpp

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/*****************************************************************************
* Copyright (c) 2014-2020 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 <algorithm>
#include <cmath>
#include <openrct2-ui/interface/Viewport.h>
#include <openrct2-ui/interface/Widget.h>
#include <openrct2-ui/windows/Window.h>
#include <openrct2/Input.h>
#include <openrct2/config/Config.h>
#include <openrct2/drawing/Drawing.h>
#include <openrct2/localisation/Localisation.h>
#include <openrct2/paint/Paint.h>
#include <openrct2/sprites.h>
#include <openrct2/world/Location.hpp>
// clang-format off
enum WINDOW_VIEW_CLIPPING_WIDGET_IDX {
WIDX_BACKGROUND,
WIDX_TITLE,
WIDX_CLOSE,
WIDX_CLIP_CHECKBOX_ENABLE,
WIDX_GROUPBOX_VERTICAL,
WIDX_CLIP_HEIGHT_VALUE,
WIDX_CLIP_HEIGHT_INCREASE,
WIDX_CLIP_HEIGHT_DECREASE,
WIDX_CLIP_HEIGHT_SLIDER,
WIDX_GROUPBOX_HORIZONTAL,
WIDX_CLIP_SELECTOR,
WIDX_CLIP_CLEAR,
};
enum class DISPLAY_TYPE {
DISPLAY_RAW,
DISPLAY_UNITS
};
#pragma region Widgets
static constexpr const rct_string_id WINDOW_TITLE = STR_VIEW_CLIPPING_TITLE;
static constexpr const int32_t WW = 180;
static constexpr const int32_t WH = 155;
static rct_widget window_view_clipping_widgets[] = {
WINDOW_SHIM(WINDOW_TITLE, WW, WH),
MakeWidget ({ 11, 19}, { 159, 11}, WindowWidgetType::Checkbox, WindowColour::Primary, STR_VIEW_CLIPPING_HEIGHT_ENABLE, STR_VIEW_CLIPPING_HEIGHT_ENABLE_TIP ), // clip enable/disable check box
MakeWidget ({ 5, 36}, {WW - 10, 48}, WindowWidgetType::Groupbox, WindowColour::Primary, STR_VIEW_CLIPPING_VERTICAL_CLIPPING ),
MakeSpinnerWidgets({ 90, 51}, { 79, 12}, WindowWidgetType::Spinner, WindowColour::Primary, STR_NONE, STR_VIEW_CLIPPING_HEIGHT_VALUE_TOGGLE), // clip height (3 widgets)
MakeWidget ({ 11, 66}, { 158, 13}, WindowWidgetType::Scroll, WindowColour::Primary, SCROLL_HORIZONTAL, STR_VIEW_CLIPPING_HEIGHT_SCROLL_TIP ), // clip height scrollbar
MakeWidget ({ 5, 90}, {WW - 10, 60}, WindowWidgetType::Groupbox, WindowColour::Primary, STR_VIEW_CLIPPING_HORIZONTAL_CLIPPING ),
MakeWidget ({ 11, 105}, { 158, 17}, WindowWidgetType::Button, WindowColour::Primary, STR_VIEW_CLIPPING_SELECT_AREA ), // selector
MakeWidget ({ 11, 126}, { 158, 18}, WindowWidgetType::Button, WindowColour::Primary, STR_VIEW_CLIPPING_CLEAR_SELECTION ), // clear
WIDGETS_END,
};
#pragma endregion
// clang-format on
class ViewClippingWindow final : public Window
{
private:
CoordsXY _selectionStart;
CoordsXY _previousClipSelectionA;
CoordsXY _previousClipSelectionB;
bool _toolActive{ false };
bool _dragging{ false };
static inline DISPLAY_TYPE _clipHeightDisplayType;
public:
void OnCloseButton()
{
OnClose();
}
void OnMouseUp(rct_widgetindex widgetIndex) override
{
// mouseup appears to be used for buttons, checkboxes
switch (widgetIndex)
{
case WIDX_CLOSE:
window_close(this);
break;
case WIDX_CLIP_CHECKBOX_ENABLE:
{
// Toggle height clipping.
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
mainWindow->viewport->flags ^= VIEWPORT_FLAG_CLIP_VIEW;
mainWindow->Invalidate();
}
this->Invalidate();
break;
}
case WIDX_CLIP_HEIGHT_VALUE:
// Toggle display of the cut height value in RAW vs UNITS
if (_clipHeightDisplayType == DISPLAY_TYPE::DISPLAY_RAW)
{
_clipHeightDisplayType = DISPLAY_TYPE::DISPLAY_UNITS;
}
else
{
_clipHeightDisplayType = DISPLAY_TYPE::DISPLAY_RAW;
}
this->Invalidate();
break;
case WIDX_CLIP_SELECTOR:
// Activate the selection tool
tool_set(this, WIDX_BACKGROUND, Tool::Crosshair);
_toolActive = true;
_dragging = false;
// Reset clip selection to show all tiles
_previousClipSelectionA = gClipSelectionA;
_previousClipSelectionB = gClipSelectionB;
gClipSelectionA = { 0, 0 };
gClipSelectionB = { MAXIMUM_MAP_SIZE_BIG - 1, MAXIMUM_MAP_SIZE_BIG - 1 };
gfx_invalidate_screen();
break;
case WIDX_CLIP_CLEAR:
if (IsActive())
{
_toolActive = false;
tool_cancel();
}
gClipSelectionA = { 0, 0 };
gClipSelectionB = { MAXIMUM_MAP_SIZE_BIG - 1, MAXIMUM_MAP_SIZE_BIG - 1 };
gfx_invalidate_screen();
break;
}
}
void OnMouseDown(rct_widgetindex widgetIndex) override
{
rct_window* mainWindow;
switch (widgetIndex)
{
case WIDX_CLIP_HEIGHT_INCREASE:
if (gClipHeight < 255)
SetClipHeight(gClipHeight + 1);
mainWindow = window_get_main();
if (mainWindow != nullptr)
mainWindow->Invalidate();
break;
case WIDX_CLIP_HEIGHT_DECREASE:
if (gClipHeight > 0)
SetClipHeight(gClipHeight - 1);
mainWindow = window_get_main();
if (mainWindow != nullptr)
mainWindow->Invalidate();
break;
}
}
void OnUpdate() override
{
const auto& widget = widgets[WIDX_CLIP_HEIGHT_SLIDER];
const rct_scroll* const scroll = &this->scrolls[0];
const int16_t scroll_width = widget.width() - 1;
const uint8_t clip_height = static_cast<uint8_t>(
(static_cast<float>(scroll->h_left) / (scroll->h_right - scroll_width)) * 255);
if (clip_height != gClipHeight)
{
gClipHeight = clip_height;
// Update the main window accordingly.
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
mainWindow->Invalidate();
}
}
// Restore previous selection if the tool has been interrupted
if (_toolActive && !IsActive())
{
_toolActive = false;
gClipSelectionA = _previousClipSelectionA;
gClipSelectionB = _previousClipSelectionB;
}
widget_invalidate(this, WIDX_CLIP_HEIGHT_SLIDER);
}
void OnToolUpdate(rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords) override
{
if (_dragging)
{
return;
}
int32_t direction;
auto mapCoords = screen_pos_to_map_pos(screenCoords, &direction);
if (mapCoords.has_value())
{
gMapSelectFlags |= MAP_SELECT_FLAG_ENABLE;
map_invalidate_tile_full(gMapSelectPositionA);
gMapSelectPositionA = gMapSelectPositionB = mapCoords.value();
map_invalidate_tile_full(mapCoords.value());
gMapSelectType = MAP_SELECT_TYPE_FULL;
}
}
void OnToolDown(rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords) override
{
int32_t direction;
auto mapCoords = screen_pos_to_map_pos(screenCoords, &direction);
if (mapCoords.has_value())
{
_dragging = true;
_selectionStart = mapCoords.value();
}
}
void OnToolDrag(rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords) override
{
if (!_dragging)
{
return;
}
int32_t direction;
auto mapCoords = screen_pos_to_map_pos(screenCoords, &direction);
if (mapCoords)
{
map_invalidate_selection_rect();
gMapSelectFlags |= MAP_SELECT_FLAG_ENABLE;
gMapSelectPositionA.x = std::min(_selectionStart.x, mapCoords->x);
gMapSelectPositionB.x = std::max(_selectionStart.x, mapCoords->x);
gMapSelectPositionA.y = std::min(_selectionStart.y, mapCoords->y);
gMapSelectPositionB.y = std::max(_selectionStart.y, mapCoords->y);
gMapSelectType = MAP_SELECT_TYPE_FULL;
map_invalidate_selection_rect();
}
}
void OnToolUp(rct_widgetindex, const ScreenCoordsXY&) override
{
gClipSelectionA = gMapSelectPositionA;
gClipSelectionB = gMapSelectPositionB;
_toolActive = false;
tool_cancel();
gfx_invalidate_screen();
}
void OnPrepareDraw() override
{
WidgetScrollUpdateThumbs(this, WIDX_CLIP_HEIGHT_SLIDER);
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
WidgetSetCheckboxValue(this, WIDX_CLIP_CHECKBOX_ENABLE, mainWindow->viewport->flags & VIEWPORT_FLAG_CLIP_VIEW);
}
if (IsActive())
{
this->pressed_widgets |= 1ULL << WIDX_CLIP_SELECTOR;
}
else
{
this->pressed_widgets &= ~(1ULL << WIDX_CLIP_SELECTOR);
}
}
void OnDraw(rct_drawpixelinfo& dpi) override
{
WindowDrawWidgets(this, &dpi);
// Clip height value
auto screenCoords = this->windowPos + ScreenCoordsXY{ 8, this->widgets[WIDX_CLIP_HEIGHT_VALUE].top };
DrawTextBasic(&dpi, screenCoords, STR_VIEW_CLIPPING_HEIGHT_VALUE, {}, { this->colours[0] });
screenCoords = this->windowPos
+ ScreenCoordsXY{ this->widgets[WIDX_CLIP_HEIGHT_VALUE].left + 1, this->widgets[WIDX_CLIP_HEIGHT_VALUE].top };
switch (_clipHeightDisplayType)
{
case DISPLAY_TYPE::DISPLAY_RAW:
default:
{
auto ft = Formatter();
ft.Add<int32_t>(static_cast<int32_t>(gClipHeight));
// Printing the raw value.
DrawTextBasic(&dpi, screenCoords, STR_FORMAT_INTEGER, ft, { this->colours[0] });
break;
}
case DISPLAY_TYPE::DISPLAY_UNITS:
{
// Print the value in the configured height label type:
if (gConfigGeneral.show_height_as_units)
{
// Height label is Units.
auto ft = Formatter();
ft.Add<fixed16_1dp>(static_cast<fixed16_1dp>(FIXED_1DP(gClipHeight, 0) / 2 - FIXED_1DP(7, 0)));
DrawTextBasic(
&dpi, screenCoords, STR_UNIT1DP_NO_SUFFIX, ft,
{ this->colours[0] }); // Printing the value in Height Units.
}
else
{
// Height label is Real Values.
// Print the value in the configured measurement units.
switch (gConfigGeneral.measurement_format)
{
case MeasurementFormat::Metric:
case MeasurementFormat::SI:
{
auto ft = Formatter();
ft.Add<fixed32_2dp>(
static_cast<fixed32_2dp>(FIXED_2DP(gClipHeight, 0) / 2 * 1.5f - FIXED_2DP(10, 50)));
DrawTextBasic(&dpi, screenCoords, STR_UNIT2DP_SUFFIX_METRES, ft, { this->colours[0] });
break;
}
case MeasurementFormat::Imperial:
{
auto ft = Formatter();
ft.Add<fixed16_1dp>(
static_cast<fixed16_1dp>(FIXED_1DP(gClipHeight, 0) / 2.0f * 5 - FIXED_1DP(35, 0)));
DrawTextBasic(&dpi, screenCoords, STR_UNIT1DP_SUFFIX_FEET, ft, { this->colours[0] });
break;
}
}
}
}
}
}
ScreenSize OnScrollGetSize(int32_t scrollIndex) override
{
return { 1000, 0 };
}
void OnOpen() override
{
this->widgets = window_view_clipping_widgets;
this->enabled_widgets = (1ULL << WIDX_CLOSE) | (1ULL << WIDX_CLIP_CHECKBOX_ENABLE) | (1ULL << WIDX_CLIP_HEIGHT_VALUE)
| (1ULL << WIDX_CLIP_HEIGHT_INCREASE) | (1ULL << WIDX_CLIP_HEIGHT_DECREASE) | (1ULL << WIDX_CLIP_HEIGHT_SLIDER)
| (1ULL << WIDX_CLIP_SELECTOR) | (1ULL << WIDX_CLIP_CLEAR);
this->hold_down_widgets = (1ULL << WIDX_CLIP_HEIGHT_INCREASE) | (1UL << WIDX_CLIP_HEIGHT_DECREASE);
WindowInitScrollWidgets(this);
_clipHeightDisplayType = DISPLAY_TYPE::DISPLAY_UNITS;
// Initialise the clip height slider from the current clip height value.
this->SetClipHeight(gClipHeight);
window_push_others_below(this);
// Get the main viewport to set the view clipping flag.
rct_window* mainWindow = window_get_main();
// Turn on view clipping when the window is opened.
if (mainWindow != nullptr)
{
mainWindow->viewport->flags |= VIEWPORT_FLAG_CLIP_VIEW;
mainWindow->Invalidate();
}
}
private:
void OnClose() override
{
// Turn off view clipping when the window is closed.
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
mainWindow->viewport->flags &= ~VIEWPORT_FLAG_CLIP_VIEW;
mainWindow->Invalidate();
}
}
void SetClipHeight(const uint8_t clipHeight)
{
gClipHeight = clipHeight;
const auto& widget = widgets[WIDX_CLIP_HEIGHT_SLIDER];
const float clip_height_ratio = static_cast<float>(gClipHeight) / 255;
this->scrolls[0].h_left = static_cast<int16_t>(
std::ceil(clip_height_ratio * (this->scrolls[0].h_right - (widget.width() - 1))));
}
bool IsActive()
{
if (!(input_test_flag(INPUT_FLAG_TOOL_ACTIVE)))
return false;
if (gCurrentToolWidget.window_classification != WC_VIEW_CLIPPING)
return false;
return _toolActive;
}
};
rct_window* window_view_clipping_open()
{
auto* window = window_bring_to_front_by_class(WC_VIEW_CLIPPING);
if (window == nullptr)
{
window = WindowCreate<ViewClippingWindow>(WC_VIEW_CLIPPING, ScreenCoordsXY(32, 32), WW, WH);
}
return window;
}
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