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

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/*****************************************************************************
* Copyright (c) 2014-2018 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 <openrct2-ui/interface/Viewport.h>
#include <openrct2-ui/interface/Widget.h>
#include <openrct2-ui/windows/Window.h>
#include <openrct2/Game.h>
#include <openrct2/audio/audio.h>
#include <openrct2/localisation/Localisation.h>
#include <openrct2/sprites.h>
#define INITIAL_WIDTH 500
#define INITIAL_HEIGHT 350
// clang-format off
enum {
WIDX_BACKGROUND,
WIDX_TITLE,
WIDX_CLOSE,
WIDX_PAGE_BACKGROUND,
WIDX_VIEWPORT,
WIDX_ZOOM_IN,
WIDX_ZOOM_OUT,
WIDX_LOCATE
};
static rct_widget window_viewport_widgets[] = {
{ WWT_FRAME, 0, 0, 0, 0, 0, 0xFFFFFFFF, STR_NONE }, // panel / background
{ WWT_CAPTION, 0, 1, 0, 1, 14, STR_VIEWPORT_NO, STR_WINDOW_TITLE_TIP }, // title bar
{ WWT_CLOSEBOX, 0, 0, 0, 2, 13, STR_CLOSE_X, STR_CLOSE_WINDOW_TIP }, // close x button
{ WWT_RESIZE, 1, 0, 0, 14, 0, 0xFFFFFFFF, STR_NONE }, // resize
{ WWT_VIEWPORT, 0, 3, 0, 17, 0, 0xFFFFFFFF, STR_NONE }, // viewport
{ WWT_FLATBTN, 0, 0, 0, 17, 40, SPR_G2_ZOOM_IN, STR_ZOOM_IN_TIP }, // zoom in
{ WWT_FLATBTN, 0, 0, 0, 41, 64, SPR_G2_ZOOM_OUT, STR_ZOOM_OUT_TIP }, // zoom out
{ WWT_FLATBTN, 0, 0, 0, 65, 88, SPR_LOCATE, STR_LOCATE_SUBJECT_TIP }, // locate
{ WIDGETS_END },
};
static void window_viewport_mouseup(rct_window *w, rct_widgetindex widgetIndex);
static void window_viewport_resize(rct_window *w);
static void window_viewport_update(rct_window *w);
static void window_viewport_invalidate(rct_window *w);
static void window_viewport_paint(rct_window *w, rct_drawpixelinfo *dpi);
static rct_window_event_list window_viewport_events = {
nullptr,
window_viewport_mouseup,
window_viewport_resize,
nullptr,
nullptr,
nullptr,
window_viewport_update,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
window_viewport_invalidate,
window_viewport_paint,
nullptr
};
// clang-format on
static int32_t _viewportNumber = 1;
/**
* Creates a custom viewport window.
*/
rct_window* window_viewport_open()
{
rct_window* w = window_create_auto_pos(INITIAL_WIDTH, INITIAL_HEIGHT, &window_viewport_events, WC_VIEWPORT, WF_RESIZABLE);
w->widgets = window_viewport_widgets;
w->enabled_widgets = (1 << WIDX_CLOSE) | (1 << WIDX_ZOOM_IN) | (1 << WIDX_ZOOM_OUT) | (1 << WIDX_LOCATE);
w->number = _viewportNumber++;
// Create viewport
viewport_create(w, w->x, w->y, w->width, w->height, 0, 128 * 32, 128 * 32, 0, 1, -1);
rct_window* mainWindow = window_get_main();
if (mainWindow != nullptr)
{
rct_viewport* mainViewport = mainWindow->viewport;
int32_t x = mainViewport->view_x + (mainViewport->view_width / 2);
int32_t y = mainViewport->view_y + (mainViewport->view_height / 2);
w->saved_view_x = x - (w->viewport->view_width / 2);
w->saved_view_y = y - (w->viewport->view_height / 2);
}
w->viewport->flags |= VIEWPORT_FLAG_SOUND_ON;
return w;
}
static void window_viewport_anchor_border_widgets(rct_window* w)
{
w->widgets[WIDX_BACKGROUND].right = w->width - 1;
w->widgets[WIDX_BACKGROUND].bottom = w->height - 1;
w->widgets[WIDX_PAGE_BACKGROUND].right = w->width - 1;
w->widgets[WIDX_PAGE_BACKGROUND].bottom = w->height - 1;
w->widgets[WIDX_TITLE].right = w->width - 2;
w->widgets[WIDX_CLOSE].left = w->width - 13;
w->widgets[WIDX_CLOSE].right = w->width - 3;
}
static void window_viewport_mouseup(rct_window* w, rct_widgetindex widgetIndex)
{
rct_window* mainWindow;
int16_t x, y;
switch (widgetIndex)
{
case WIDX_CLOSE:
window_close(w);
break;
case WIDX_ZOOM_IN:
if (w->viewport != nullptr && w->viewport->zoom > 0)
{
w->viewport->zoom--;
window_invalidate(w);
}
break;
case WIDX_ZOOM_OUT:
if (w->viewport != nullptr && w->viewport->zoom < 3)
{
w->viewport->zoom++;
window_invalidate(w);
}
break;
case WIDX_LOCATE:
mainWindow = window_get_main();
if (mainWindow != nullptr)
{
get_map_coordinates_from_pos(
w->x + (w->width / 2), w->y + (w->height / 2), VIEWPORT_INTERACTION_MASK_NONE, &x, &y, nullptr, nullptr,
nullptr);
window_scroll_to_location(mainWindow, x, y, tile_element_height(x, y));
}
break;
}
}
static void window_viewport_resize(rct_window* w)
{
w->flags |= WF_RESIZABLE;
window_set_resize(w, 200, 200, 2000, 2000);
}
static void window_viewport_update(rct_window* w)
{
rct_window* mainWindow;
mainWindow = window_get_main();
if (mainWindow == nullptr)
return;
if (w->viewport->flags != mainWindow->viewport->flags)
{
w->viewport->flags = mainWindow->viewport->flags;
window_invalidate(w);
}
// Not sure how to invalidate part of the viewport that has changed, this will have to do for now
// widget_invalidate(w, WIDX_VIEWPORT);
}
static void window_viewport_invalidate(rct_window* w)
{
rct_widget* viewportWidget;
rct_viewport* viewport;
int32_t i;
viewportWidget = &window_viewport_widgets[WIDX_VIEWPORT];
viewport = w->viewport;
// Anchor widgets
window_viewport_anchor_border_widgets(w);
viewportWidget->right = w->width - 26;
viewportWidget->bottom = w->height - 3;
for (i = WIDX_ZOOM_IN; i <= WIDX_LOCATE; i++)
{
window_viewport_widgets[i].left = w->width - 25;
window_viewport_widgets[i].right = w->width - 2;
}
// Set title
set_format_arg(0, uint32_t, w->number);
// Set disabled widgets
w->disabled_widgets = 0;
if (viewport->zoom == 0)
w->disabled_widgets |= 1 << WIDX_ZOOM_IN;
if (viewport->zoom >= 3)
w->disabled_widgets |= 1 << WIDX_ZOOM_OUT;
viewport->x = w->x + viewportWidget->left;
viewport->y = w->y + viewportWidget->top;
viewport->width = viewportWidget->right - viewportWidget->left;
viewport->height = viewportWidget->bottom - viewportWidget->top;
viewport->view_width = viewport->width << viewport->zoom;
viewport->view_height = viewport->height << viewport->zoom;
}
static void window_viewport_paint(rct_window* w, rct_drawpixelinfo* dpi)
{
window_draw_widgets(w, dpi);
// Draw viewport
if (w->viewport != nullptr)
window_draw_viewport(dpi, w);
}
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