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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
};
static DISPLAY_TYPE gClipHeightDisplayType = DISPLAY_TYPE::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
#pragma region Members
static CoordsXY _selectionStart;
static CoordsXY _previousClipSelectionA;
static CoordsXY _previousClipSelectionB;
static bool _toolActive;
static bool _dragging;
#pragma endregion
#pragma region Events
static void window_view_clipping_close_button(rct_window* w);
static void window_view_clipping_mouseup(rct_window* w, rct_widgetindex widgetIndex);
static void window_view_clipping_mousedown(rct_window*w, rct_widgetindex widgetIndex, rct_widget *widget);
static void window_view_clipping_update(rct_window* w);
static void window_view_clipping_tool_update(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords);
static void window_view_clipping_tool_down(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords);
static void window_view_clipping_tool_drag(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords);
static void window_view_clipping_tool_up(rct_window* w, rct_widgetindex, const ScreenCoordsXY&);
static void window_view_clipping_invalidate(rct_window* w);
static void window_view_clipping_paint(rct_window* w, rct_drawpixelinfo* dpi);
static void window_view_clipping_scrollgetsize(rct_window* w, int scrollIndex, int* width, int* height);
static void window_view_clipping_close();
static rct_window_event_list window_view_clipping_events([](auto& events)
{
events.close = &window_view_clipping_close_button;
events.mouse_up = &window_view_clipping_mouseup;
events.mouse_down = &window_view_clipping_mousedown;
events.update = &window_view_clipping_update;
events.tool_update = &window_view_clipping_tool_update;
events.tool_down = &window_view_clipping_tool_down;
events.tool_drag = &window_view_clipping_tool_drag;
events.tool_up = &window_view_clipping_tool_up;
events.get_scroll_size = &window_view_clipping_scrollgetsize;
events.invalidate = &window_view_clipping_invalidate;
events.paint = &window_view_clipping_paint;
});
// clang-format on
#pragma endregion
static void window_view_clipping_set_clipheight(rct_window* w, const uint8_t clipheight)
{
gClipHeight = clipheight;
rct_widget* widget = &window_view_clipping_widgets[WIDX_CLIP_HEIGHT_SLIDER];
const float clip_height_ratio = static_cast<float>(gClipHeight) / 255;
w->scrolls[0].h_left = static_cast<int16_t>(std::ceil(clip_height_ratio * (w->scrolls[0].h_right - (widget->width() - 1))));
}
rct_window* window_view_clipping_open()
{
rct_window* window;
// Get the main viewport to set the view clipping flag.
rct_window* mainWindow = window_get_main();
// Check if window is already open
window = window_find_by_class(WC_VIEW_CLIPPING);
if (window != nullptr)
{
return window;
}
// Window is not open - create it.
window = WindowCreate(ScreenCoordsXY(32, 32), WW, WH, &window_view_clipping_events, WC_VIEW_CLIPPING, 0);
window->widgets = window_view_clipping_widgets;
window->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);
window->hold_down_widgets = (1ULL << WIDX_CLIP_HEIGHT_INCREASE) | (1UL << WIDX_CLIP_HEIGHT_DECREASE);
WindowInitScrollWidgets(window);
// Initialise the clip height slider from the current clip height value.
window_view_clipping_set_clipheight(window, gClipHeight);
window_push_others_below(window);
// Turn on view clipping when the window is opened.
if (mainWindow != nullptr)
{
mainWindow->viewport->flags |= VIEWPORT_FLAG_CLIP_VIEW;
mainWindow->Invalidate();
}
_toolActive = false;
_dragging = false;
return window;
}
static void window_view_clipping_close()
{
// 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();
}
}
static void window_view_clipping_close_button(rct_window* w)
{
window_view_clipping_close();
}
// Returns true when the tool is active
static bool window_view_clipping_tool_is_active()
{
if (!(input_test_flag(INPUT_FLAG_TOOL_ACTIVE)))
return false;
if (gCurrentToolWidget.window_classification != WC_VIEW_CLIPPING)
return false;
return _toolActive;
}
static void window_view_clipping_mouseup(rct_window* w, rct_widgetindex widgetIndex)
{
rct_window* mainWindow;
// mouseup appears to be used for buttons, checkboxes
switch (widgetIndex)
{
case WIDX_CLOSE:
window_close(w);
break;
case WIDX_CLIP_CHECKBOX_ENABLE:
// Toggle height clipping.
mainWindow = window_get_main();
if (mainWindow != nullptr)
{
mainWindow->viewport->flags ^= VIEWPORT_FLAG_CLIP_VIEW;
mainWindow->Invalidate();
}
w->Invalidate();
break;
case WIDX_CLIP_HEIGHT_VALUE:
// Toggle display of the cut height value in RAW vs UNITS
if (gClipHeightDisplayType == DISPLAY_TYPE::DISPLAY_RAW)
{
gClipHeightDisplayType = DISPLAY_TYPE::DISPLAY_UNITS;
}
else
{
gClipHeightDisplayType = DISPLAY_TYPE::DISPLAY_RAW;
}
w->Invalidate();
break;
case WIDX_CLIP_SELECTOR:
// Activate the selection tool
tool_set(w, 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 (window_view_clipping_tool_is_active())
{
_toolActive = false;
tool_cancel();
}
gClipSelectionA = { 0, 0 };
gClipSelectionB = { MAXIMUM_MAP_SIZE_BIG - 1, MAXIMUM_MAP_SIZE_BIG - 1 };
gfx_invalidate_screen();
break;
}
}
static void window_view_clipping_mousedown(rct_window* w, rct_widgetindex widgetIndex, rct_widget* widget)
{
rct_window* mainWindow = window_get_main();
switch (widgetIndex)
{
case WIDX_CLIP_HEIGHT_INCREASE:
if (gClipHeight < 255)
window_view_clipping_set_clipheight(w, gClipHeight + 1);
mainWindow = window_get_main();
if (mainWindow != nullptr)
mainWindow->Invalidate();
break;
case WIDX_CLIP_HEIGHT_DECREASE:
if (gClipHeight > 0)
window_view_clipping_set_clipheight(w, gClipHeight - 1);
mainWindow = window_get_main();
if (mainWindow != nullptr)
mainWindow->Invalidate();
break;
}
}
static void window_view_clipping_update(rct_window* w)
{
const rct_widget* const widget = &window_view_clipping_widgets[WIDX_CLIP_HEIGHT_SLIDER];
const rct_scroll* const scroll = &w->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 && !window_view_clipping_tool_is_active())
{
_toolActive = false;
gClipSelectionA = _previousClipSelectionA;
gClipSelectionB = _previousClipSelectionB;
}
widget_invalidate(w, WIDX_CLIP_HEIGHT_SLIDER);
}
static void window_view_clipping_tool_update(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords)
{
if (_dragging)
{
return;
}
int32_t direction;
auto mapCoords = screen_pos_to_map_pos(screenCoords, &direction);
if (mapCoords)
{
gMapSelectFlags |= MAP_SELECT_FLAG_ENABLE;
map_invalidate_tile_full(gMapSelectPositionA);
gMapSelectPositionA = gMapSelectPositionB = *mapCoords;
map_invalidate_tile_full(*mapCoords);
gMapSelectType = MAP_SELECT_TYPE_FULL;
}
}
static void window_view_clipping_tool_down(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords)
{
int32_t direction;
auto mapCoords = screen_pos_to_map_pos(screenCoords, &direction);
if (mapCoords)
{
_dragging = true;
_selectionStart = *mapCoords;
}
}
static void window_view_clipping_tool_drag(rct_window* w, rct_widgetindex widgetIndex, const ScreenCoordsXY& screenCoords)
{
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();
}
}
static void window_view_clipping_tool_up(struct rct_window*, rct_widgetindex, const ScreenCoordsXY&)
{
gClipSelectionA = gMapSelectPositionA;
gClipSelectionB = gMapSelectPositionB;
_toolActive = false;
tool_cancel();
gfx_invalidate_screen();
}
static void window_view_clipping_invalidate(rct_window* w)
{
WidgetScrollUpdateThumbs(w, WIDX_CLIP_HEIGHT_SLIDER);
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
WidgetSetCheckboxValue(w, WIDX_CLIP_CHECKBOX_ENABLE, mainWindow->viewport->flags & VIEWPORT_FLAG_CLIP_VIEW);
}
if (window_view_clipping_tool_is_active())
{
w->pressed_widgets |= 1ULL << WIDX_CLIP_SELECTOR;
}
else
{
w->pressed_widgets &= ~(1ULL << WIDX_CLIP_SELECTOR);
}
}
static void window_view_clipping_paint(rct_window* w, rct_drawpixelinfo* dpi)
{
WindowDrawWidgets(w, dpi);
// Clip height value
auto screenCoords = w->windowPos + ScreenCoordsXY{ 8, w->widgets[WIDX_CLIP_HEIGHT_VALUE].top };
gfx_draw_string_left(dpi, STR_VIEW_CLIPPING_HEIGHT_VALUE, nullptr, w->colours[0], screenCoords);
screenCoords = w->windowPos
+ ScreenCoordsXY{ w->widgets[WIDX_CLIP_HEIGHT_VALUE].left + 1, w->widgets[WIDX_CLIP_HEIGHT_VALUE].top };
fixed16_1dp clipHeightValueInUnits;
fixed32_2dp clipHeightValueInMeters;
fixed16_1dp clipHeightValueInFeet;
int32_t clipHeightRawValue = static_cast<int32_t>(gClipHeight);
switch (gClipHeightDisplayType)
{
case DISPLAY_TYPE::DISPLAY_RAW:
default:
gfx_draw_string_left(
dpi, STR_FORMAT_INTEGER, &clipHeightRawValue, w->colours[0], screenCoords); // Printing the raw value.
break;
case DISPLAY_TYPE::DISPLAY_UNITS:
// Print the value in the configured height label type:
if (gConfigGeneral.show_height_as_units == 1)
{
// Height label is Units.
clipHeightValueInUnits = static_cast<fixed16_1dp>(FIXED_1DP(gClipHeight, 0) / 2 - FIXED_1DP(7, 0));
gfx_draw_string_left(
dpi, STR_UNIT1DP_NO_SUFFIX, &clipHeightValueInUnits, w->colours[0],
screenCoords); // 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:
clipHeightValueInMeters = static_cast<fixed32_2dp>(
FIXED_2DP(gClipHeight, 0) / 2 * 1.5f - FIXED_2DP(10, 50));
gfx_draw_string_left(
dpi, STR_UNIT2DP_SUFFIX_METRES, &clipHeightValueInMeters, w->colours[0], screenCoords);
break;
case MeasurementFormat::Imperial:
clipHeightValueInFeet = static_cast<fixed16_1dp>(
FIXED_1DP(gClipHeight, 0) / 2.0f * 5 - FIXED_1DP(35, 0));
gfx_draw_string_left(dpi, STR_UNIT1DP_SUFFIX_FEET, &clipHeightValueInFeet, w->colours[0], screenCoords);
break;
}
}
}
}
static void window_view_clipping_scrollgetsize(rct_window* w, int scrollIndex, int* width, int* height)
{
*width = 1000;
}
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