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OpenRCT2/src/openrct2/interface/Window.cpp
Ted John c3eab7ead6 Refactor window.c to C++
2018-01-07 12:39:58 +01:00

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#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include <algorithm>
#include "../audio/audio.h"
#include "../config/Config.h"
#include "../Context.h"
#include "../core/Guard.hpp"
#include "../core/Math.hpp"
#include "../core/Util.hpp"
#include "../drawing/Drawing.h"
#include "../Editor.h"
#include "../Game.h"
#include "../Input.h"
#include "../interface/Cursors.h"
#include "../interface/themes.h"
#include "../localisation/Localisation.h"
#include "../localisation/StringIds.h"
#include "../OpenRCT2.h"
#include "../platform/platform.h"
#include "../world/Map.h"
#include "../world/sprite.h"
#include "Viewport.h"
#include "Widget.h"
#include "Window.h"
extern "C"
{
#define RCT2_FIRST_WINDOW (g_window_list)
#define RCT2_LAST_WINDOW (gWindowNextSlot - 1)
#define RCT2_NEW_WINDOW (gWindowNextSlot)
// The amount of pixels to scroll per wheel click
#define WINDOW_SCROLL_PIXELS 17
rct_window g_window_list[WINDOW_LIMIT_MAX + WINDOW_LIMIT_RESERVED];
rct_window * gWindowFirst;
rct_window * gWindowNextSlot = NULL;
rct_window * gWindowAudioExclusive;
uint16 TextInputDescriptionArgs[4];
widget_identifier gCurrentTextBox = { { 255, 0 }, 0 };
char gTextBoxInput[TEXT_INPUT_SIZE] = { 0 };
sint32 gMaxTextBoxInputLength = 0;
sint32 gTextBoxFrameNo = 0;
bool gUsingWidgetTextBox = 0;
TextInputSession * gTextInput;
uint16 gWindowUpdateTicks;
uint8 gToolbarDirtyFlags;
uint16 gWindowMapFlashingFlags;
colour_t gCurrentWindowColours[4];
// converted from uint16 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
static 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},
};
static sint32 _previousAbsoluteWheel = 0;
static bool window_fits_between_others(sint32 x, sint32 y, sint32 width, sint32 height);
static void window_all_wheel_input();
static sint32 window_draw_split(rct_drawpixelinfo *dpi, rct_window *w, sint32 left, sint32 top, sint32 right, sint32 bottom);
static void window_draw_single(rct_drawpixelinfo *dpi, rct_window *w, sint32 left, sint32 top, sint32 right, sint32 bottom);
static sint32 window_get_widget_index(rct_window *w, rct_widget *widget)
{
sint32 i = 0;
for (rct_widget *widget2 = w->widgets; widget2->type != WWT_LAST; widget2++, i++)
if (widget == widget2)
return i;
return -1;
}
static sint32 window_get_scroll_index(rct_window *w, sint32 targetWidgetIndex)
{
if (w->widgets[targetWidgetIndex].type != WWT_SCROLL)
return -1;
sint32 scrollIndex = 0;
rct_widgetindex widgetIndex = 0;
for (rct_widget *widget = w->widgets; widget->type != WWT_LAST; widget++, widgetIndex++) {
if (widgetIndex == targetWidgetIndex)
break;
if (widget->type == WWT_SCROLL)
scrollIndex++;
}
return scrollIndex;
}
static rct_widget *window_get_scroll_widget(rct_window *w, sint32 scrollIndex)
{
for (rct_widget *widget = w->widgets; widget->type != WWT_LAST; widget++) {
if (widget->type != WWT_SCROLL)
continue;
if (scrollIndex == 0)
return widget;
scrollIndex--;
}
return NULL;
}
/**
*
* rct2: 0x006ED7B0
*/
void window_dispatch_update_all()
{
// gTooltipNotShownTicks++;
for (rct_window *w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
window_event_update_call(w);
}
void window_update_all_viewports()
{
for (rct_window *w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->viewport != NULL && window_is_visible(w))
viewport_update_position(w);
}
/**
*
* rct2: 0x006E77A1
*/
void window_update_all()
{
// gfx_draw_all_dirty_blocks();
// window_update_all_viewports();
// gfx_draw_all_dirty_blocks();
// 1000 tick update
gWindowUpdateTicks += gTicksSinceLastUpdate;
if (gWindowUpdateTicks >= 1000) {
gWindowUpdateTicks = 0;
for (rct_window* w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
window_event_unknown_07_call(w);
}
// Border flash invalidation
for (rct_window* w = RCT2_LAST_WINDOW; w >= g_window_list; w--) {
if (w->flags & WF_WHITE_BORDER_MASK) {
w->flags -= WF_WHITE_BORDER_ONE;
if (!(w->flags & WF_WHITE_BORDER_MASK))
window_invalidate(w);
}
}
window_all_wheel_input();
}
/**
*
* rct2: 0x006E78E3
*/
static void window_scroll_wheel_input(rct_window *w, sint32 scrollIndex, sint32 wheel)
{
rct_scroll *scroll = &w->scrolls[scrollIndex];
rct_widget *widget = window_get_scroll_widget(w, scrollIndex);
rct_widgetindex widgetIndex = window_get_widget_index(w, widget);
if (scroll->flags & VSCROLLBAR_VISIBLE) {
sint32 size = widget->bottom - widget->top - 1;
if (scroll->flags & HSCROLLBAR_VISIBLE)
size -= 11;
size = std::max(0, scroll->v_bottom - size);
scroll->v_top = std::min(std::max(0, scroll->v_top + wheel), size);
} else {
sint32 size = widget->right - widget->left - 1;
if (scroll->flags & VSCROLLBAR_VISIBLE)
size -= 11;
size = std::max(0, scroll->h_right - size);
scroll->h_left = std::min(std::max(0, scroll->h_left + wheel), size);
}
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate(w, widgetIndex);
}
/**
*
* rct2: 0x006E793B
*/
static sint32 window_wheel_input(rct_window *w, sint32 wheel)
{
sint32 i = 0;
for (rct_widget *widget = w->widgets; widget->type != WWT_LAST; widget++) {
if (widget->type != WWT_SCROLL)
continue;
// Originally always checked first scroll view, bug maybe?
rct_scroll *scroll = &w->scrolls[i];
if (scroll->flags & (HSCROLLBAR_VISIBLE | VSCROLLBAR_VISIBLE)) {
window_scroll_wheel_input(w, i, wheel);
return 1;
}
i++;
}
return 0;
}
/**
*
* rct2: 0x006E79FB
*/
static void window_viewport_wheel_input(rct_window *w, sint32 wheel)
{
if (gScreenFlags & (SCREEN_FLAGS_TRACK_MANAGER | SCREEN_FLAGS_TITLE_DEMO))
return;
if (wheel < 0)
window_zoom_in(w, true);
else if (wheel > 0)
window_zoom_out(w, true);
}
static bool window_other_wheel_input(rct_window *w, rct_widgetindex widgetIndex, sint32 wheel)
{
// HACK: Until we have a new window system that allows us to add new events like mouse wheel easily,
// this selective approach will have to do.
// Allow mouse wheel scrolling to increment or decrement the land tool size for various windows
sint32 previewWidgetIndex;
switch (w->classification) {
case WC_WATER:
previewWidgetIndex = WC_WATER__WIDX_PREVIEW;
break;
case WC_CLEAR_SCENERY:
previewWidgetIndex = WC_CLEAR_SCENERY__WIDX_PREVIEW;
break;
case WC_LAND_RIGHTS:
previewWidgetIndex = WC_LAND_RIGHTS__WIDX_PREVIEW;
break;
case WC_LAND:
previewWidgetIndex = WC_LAND__WIDX_PREVIEW;
break;
case WC_MAP:
previewWidgetIndex = WC_MAP__WIDX_LAND_TOOL;
break;
default:
return false;
}
// Preview / Increment / Decrement
if (widgetIndex >= previewWidgetIndex && widgetIndex < previewWidgetIndex + 3) {
rct_widgetindex buttonWidgetIndex = wheel < 0 ? previewWidgetIndex + 2 : previewWidgetIndex + 1;
window_event_mouse_down_call(w, buttonWidgetIndex);
return true;
}
return false;
}
/**
*
* rct2: 0x006E7868
*/
static void window_all_wheel_input()
{
// Get wheel value
CursorState * cursorState = (CursorState *)context_get_cursor_state();
sint32 absolute_wheel = cursorState->wheel;
sint32 relative_wheel = absolute_wheel - _previousAbsoluteWheel;
sint32 pixel_scroll = relative_wheel * WINDOW_SCROLL_PIXELS;
_previousAbsoluteWheel = absolute_wheel;
if (relative_wheel == 0)
return;
// Check window cursor is over
if (!(input_test_flag(INPUT_FLAG_5))) {
rct_window *w = window_find_from_point(cursorState->x, cursorState->y);
if (w != NULL) {
// Check if main window
if (w->classification == WC_MAIN_WINDOW || w->classification == WC_VIEWPORT) {
window_viewport_wheel_input(w, relative_wheel);
return;
}
// Check scroll view, cursor is over
rct_widgetindex widgetIndex = window_find_widget_from_point(w, cursorState->x, cursorState->y);
if (widgetIndex != -1) {
rct_widget *widget = &w->widgets[widgetIndex];
if (widget->type == WWT_SCROLL) {
sint32 scrollIndex = window_get_scroll_index(w, widgetIndex);
rct_scroll *scroll = &w->scrolls[scrollIndex];
if (scroll->flags & (HSCROLLBAR_VISIBLE | VSCROLLBAR_VISIBLE)) {
window_scroll_wheel_input(w, window_get_scroll_index(w, widgetIndex), pixel_scroll);
return;
}
} else {
if (window_other_wheel_input(w, widgetIndex, pixel_scroll)) {
return;
}
}
// Check other scroll views on window
if (window_wheel_input(w, pixel_scroll))
return;
}
}
}
}
static void window_close_surplus(sint32 cap, sint8 avoid_classification)
{
sint32 count, i, diff;
//find the amount of windows that are currently open
count = WINDOW_LIMIT_MAX;
for (i = 0; i < WINDOW_LIMIT_MAX; i++) {
if (&g_window_list[i] == RCT2_NEW_WINDOW) {
count = i;
break;
}
}
//difference between amount open and cap = amount to close
diff = count - WINDOW_LIMIT_RESERVED - cap;
for (i = 0; i < diff; i++) {
rct_window *w = NULL;
//iterates through the list until it finds the newest window, or a window that can be closed
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++) {
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT | WF_NO_AUTO_CLOSE)))
break;
}
//skip window if window matches specified rct_windowclass (as user may be modifying via options)
if (avoid_classification != -1 && w != NULL && w->classification == avoid_classification) {
continue;
}
window_close(w);
}
}
/*
* Changes the maximum amount of windows allowed
*/
void window_set_window_limit(sint32 value)
{
sint32 prev = gConfigGeneral.window_limit;
sint32 val = Math::Clamp(WINDOW_LIMIT_MIN, value, 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);
}
}
/**
* Opens a new window.
* rct2: 0x006EACA4
*
* @param x (ax)
* @param y (eax >> 16)
* @param width (bx)
* @param height (ebx >> 16)
* @param events (edx)
* @param flags (ch)
* @param class (cl)
*/
rct_window *window_create(sint32 x, sint32 y, sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
// Check if there are any window slots left
// include WINDOW_LIMIT_RESERVED for items such as the main viewport and toolbars to not appear to be counted.
if (RCT2_NEW_WINDOW >= &(g_window_list[gConfigGeneral.window_limit + WINDOW_LIMIT_RESERVED])) {
rct_window *w = NULL;
// Close least recently used window
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT | WF_NO_AUTO_CLOSE)))
break;
window_close(w);
}
rct_window *w = RCT2_NEW_WINDOW;
// Flags
if (flags & WF_STICK_TO_BACK) {
for (; w >= g_window_list + 1; w--) {
if ((w - 1)->flags & WF_STICK_TO_FRONT)
continue;
if ((w - 1)->flags & WF_STICK_TO_BACK)
break;
}
} else if (!(flags & WF_STICK_TO_FRONT)) {
for (; w >= g_window_list + 1; w--) {
if (!((w - 1)->flags & WF_STICK_TO_FRONT))
break;
}
}
// Move w to new window slot
if (w != RCT2_NEW_WINDOW)
*RCT2_NEW_WINDOW = *w;
// Setup window
w->classification = cls;
w->var_4B8 = -1;
w->var_4B9 = -1;
w->flags = flags;
// Play sounds and flash the window
if (!(flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))){
w->flags |= WF_WHITE_BORDER_MASK;
audio_play_sound(SOUND_WINDOW_OPEN, 0, x + (width / 2));
}
w->number = 0;
w->x = x;
w->y = y;
w->width = width;
w->height = height;
w->viewport = NULL;
w->event_handlers = event_handlers;
w->enabled_widgets = 0;
w->disabled_widgets = 0;
w->pressed_widgets = 0;
w->hold_down_widgets = 0;
w->viewport_focus_coordinates.var_480 = 0;
w->viewport_focus_coordinates.x = 0;
w->viewport_focus_coordinates.y = 0;
w->viewport_focus_coordinates.z = 0;
w->viewport_focus_coordinates.rotation = 0;
w->page = 0;
w->var_48C = 0;
w->frame_no = 0;
w->list_information_type = 0;
w->var_492 = 0;
w->selected_tab = 0;
w->var_4AE = 0;
w->viewport_smart_follow_sprite = SPRITE_INDEX_NULL;
RCT2_NEW_WINDOW++;
colour_scheme_update(w);
window_invalidate(w);
return w;
}
/**
*
* rct2: 0x006EA934
*
* @param x (dx)
* @param y (ax)
* @param width (bx)
* @param height (cx)
*/
static bool window_fits_on_screen(sint32 x, sint32 y, sint32 width, sint32 height)
{
uint16 screenWidth = context_get_width();
uint16 screenHeight = context_get_height();
sint32 unk;
unk = -(width / 4);
if (x < unk) return false;
unk = screenWidth + (unk * 2);
if (x > unk) return false;
if (y <= TOP_TOOLBAR_HEIGHT && !(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)) return false;
unk = screenHeight - (height / 4);
if (y > unk) return false;
return window_fits_between_others(x, y, width, height);
}
/**
*
* rct2: 0x006EA934
*
* @param x (dx)
* @param y (ax)
* @param width (bx)
* @param height (cx)
*/
static bool window_fits_within_space(sint32 x, sint32 y, sint32 width, sint32 height)
{
if (x < 0) return false;
if (y <= TOP_TOOLBAR_HEIGHT && !(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)) return false;
if (x + width > context_get_width()) return false;
if (y + height > context_get_height()) return false;
return window_fits_between_others(x, y, width, height);
}
/**
*
* rct2: 0x006EA934
*
* @param x (dx)
* @param y (ax)
* @param width (bx)
* @param height (cx)
*/
static bool window_fits_between_others(sint32 x, sint32 y, sint32 width, sint32 height)
{
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
if (x + width <= w->x) continue;
if (x >= w->x + w->width) continue;
if (y + height <= w->y) continue;
if (y >= w->y + w->height) continue;
return false;
}
return true;
}
/**
* Opens a new window, supposedly automatically positioned
* rct2: 0x006EA9B1
*
* @param width (bx)
* @param height (ebx >> 16)
* @param events (edx)
* @param flags (ch)
* @param class (cl)
*/
rct_window *window_create_auto_pos(sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
uint16 screenWidth = context_get_width();
uint16 screenHeight = context_get_height();
// TODO dead code, looks like it is cascading the new window offset from an existing window
// we will have to re-implement this in our own way.
//
// if (cls & 0x80) {
// cls &= ~0x80;
// rct_window *w = window_find_by_number(0, 0);
// if (w != NULL) {
// if (w->x > -60 && w->x < screenWidth - 20) {
// if (w->y < screenHeight - 20) {
// sint32 x = w->x;
// if (w->x + width > screenWidth)
// x = screenWidth - 20 - width;
// sint32 y = w->y;
// return window_create(x + 10, y + 10, width, height, event_handlers, cls, flags);
// }
// }
// }
// }
// Place window in an empty corner of the screen
sint32 x = 0;
sint32 y = 30;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = screenWidth - width;
y = 30;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = 0;
y = screenHeight - 34 - height;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = screenWidth - width;
y = screenHeight - 34 - height;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
// Place window next to another
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
x = w->x + w->width + 2;
y = w->y;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x + w->width + 2;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y - w->height - 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x + w->width + 2;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y + w->height + 2;
if (window_fits_within_space(x, y, width, height)) goto foundSpace;
}
// Overlap
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (w->flags & WF_STICK_TO_BACK)
continue;
x = w->x + w->width + 2;
y = w->y;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x - w->width - 2;
y = w->y;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y + w->height + 2;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
x = w->x;
y = w->y - w->height - 2;
if (window_fits_on_screen(x, y, width, height)) goto foundSpace;
}
// Cascade
x = 0;
y = 30;
for (rct_window *w = g_window_list; w < RCT2_LAST_WINDOW; w++) {
if (x != w->x || y != w->y)
continue;
x += 5;
y += 5;
}
// Clamp to inside the screen
foundSpace:
if (x < 0)
x = 0;
if (x + width > screenWidth)
x = screenWidth - width;
return window_create(x, y, width, height, event_handlers, cls, flags);
}
rct_window * window_create_centred(sint32 width, sint32 height, rct_window_event_list *event_handlers, rct_windowclass cls, uint16 flags)
{
sint32 screenWidth = context_get_width();
sint32 screenHeight = context_get_height();
sint32 x = (screenWidth - width) / 2;
sint32 y = std::max(TOP_TOOLBAR_HEIGHT + 1, (screenHeight - height) / 2);
return window_create(x, y, width, height, event_handlers, cls, flags);
}
/**
* Closes the specified window.
* rct2: 0x006ECD4C
*
* @param window The window to close (esi).
*/
void window_close(rct_window* window)
{
sint32 num_windows;
if (window == NULL)
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 == NULL)
return;
// Remove viewport
if (window->viewport != NULL) {
window->viewport->width = 0;
window->viewport = NULL;
}
// Invalidate the window (area)
window_invalidate(window);
// Remove window from list and reshift all windows
RCT2_NEW_WINDOW--;
num_windows = (sint32)(RCT2_NEW_WINDOW - window);
if (num_windows > 0)
memmove(window, window + 1, num_windows * sizeof(rct_window));
viewport_update_pointers();
}
/**
* 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)
{
for (rct_window *w = g_window_list; w < RCT2_NEW_WINDOW;) {
if (w->classification == cls) {
window_close(w);
w = g_window_list;
} else {
w++;
}
}
}
/**
* 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)
{
for (rct_window* w = g_window_list; w < RCT2_NEW_WINDOW;) {
if (w->classification == cls && w->number == number) {
window_close(w);
w = g_window_list;
} else {
w++;
}
}
}
/**
* 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 (rct_window *w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls)
return w;
return NULL;
}
/**
* 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)
{
rct_window *w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls && w->number == number)
return w;
return NULL;
}
/**
* Closes the top-most window
*
* rct2: 0x006E403C
*/
void window_close_top()
{
rct_window* w;
window_close_by_class(WC_DROPDOWN);
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR)
if (gS6Info.editor_step != EDITOR_STEP_LANDSCAPE_EDITOR)
return;
for (w = RCT2_NEW_WINDOW - 1; w >= g_window_list; w--) {
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
window_close(w);
return;
}
}
}
/**
* Closes all open windows
*
* rct2: 0x006EE927
*/
void window_close_all()
{
window_close_by_class(WC_DROPDOWN);
for (rct_window * w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
{
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
{
window_close(w);
}
}
}
void window_close_all_except_class(rct_windowclass cls)
{
rct_window* w;
window_close_by_class(WC_DROPDOWN);
for (w = g_window_list; w <= RCT2_LAST_WINDOW; w++){
if (w->classification != cls && !(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
window_close(w);
w = g_window_list;
}
}
}
/**
* Closes all windows, save for those having any of the passed flags.
*/
void window_close_all_except_flags(uint16 flags)
{
for (rct_window * w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
{
if (!(w->flags & flags))
{
window_close(w);
}
}
}
/**
*
* rct2: 0x006EA845
*/
rct_window *window_find_from_point(sint32 x, sint32 y)
{
rct_window *w;
sint32 widget_index;
for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--) {
if (x < w->x || x >= w->x + w->width || y < w->y || y >= w->y + w->height)
continue;
if (w->flags & WF_NO_BACKGROUND) {
widget_index = window_find_widget_from_point(w, x, y);
if (widget_index == -1)
continue;
}
return w;
}
return NULL;
}
/**
*
* 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, sint32 x, sint32 y)
{
// Invalidate the window
window_event_invalidate_call(w);
// Find the widget at point x, y
rct_widgetindex widget_index = -1;
for (sint32 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 != NULL)
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)
{
rct_window* w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls)
window_invalidate(w);
}
/**
* Invalidates all windows with the specified window class and number.
* rct2: 0x006EC3AC
* @param (ah) widget index
* @param cls (al) without bit 14 set
* @param number (bx)
*/
void window_invalidate_by_number(rct_windowclass cls, rct_windownumber number)
{
rct_window* w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls && w->number == number)
window_invalidate(w);
}
/**
* Invalidates all windows.
*/
void window_invalidate_all()
{
rct_window* w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
window_invalidate(w);
}
/**
* Invalidates the specified widget of a window.
* rct2: 0x006EC402
*/
void widget_invalidate(rct_window *w, rct_widgetindex widgetIndex)
{
rct_widget* widget;
assert(w != NULL);
#ifdef DEBUG
for (sint32 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)
{
rct_window* w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls)
widget_invalidate(w, widgetIndex);
}
/**
* Invalidates the specified widget of all windows that match the specified window class and number.
* rct2: 0x006EC3AC
* @param (ah) widget index
* @param cls (al) with bit 15 set
* @param number (bx)
*/
void widget_invalidate_by_number(rct_windowclass cls, rct_windownumber number, rct_widgetindex widgetIndex)
{
rct_window* w;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls && w->number == number)
widget_invalidate(w, widgetIndex);
}
/**
* Initialises scroll widgets to their virtual size.
* rct2: 0x006EAEB8
*
* @param window The window (esi).
*/
void window_init_scroll_widgets(rct_window *w)
{
rct_widget* widget;
rct_scroll* scroll;
sint32 widget_index, scroll_index;
sint32 width, height;
widget_index = 0;
scroll_index = 0;
for (widget = w->widgets; widget->type != WWT_LAST; widget++) {
if (widget->type != WWT_SCROLL) {
widget_index++;
continue;
}
scroll = &w->scrolls[scroll_index];
scroll->flags = 0;
width = 0;
height = 0;
window_get_scroll_size(w, scroll_index, &width, &height);
scroll->h_left = 0;
scroll->h_right = width + 1;
scroll->v_top = 0;
scroll->v_bottom = height + 1;
if (widget->content & SCROLL_HORIZONTAL)
scroll->flags |= HSCROLLBAR_VISIBLE;
if (widget->content & SCROLL_VERTICAL)
scroll->flags |= VSCROLLBAR_VISIBLE;
widget_scroll_update_thumbs(w, widget_index);
widget_index++;
scroll_index++;
}
}
/**
*
* rct2: 0x006EAE4E
*
* @param w The window (esi).
*/
void window_update_scroll_widgets(rct_window *w)
{
sint32 scrollIndex, width, height, scrollPositionChanged;
rct_widgetindex widgetIndex;
rct_scroll *scroll;
rct_widget *widget;
widgetIndex = 0;
scrollIndex = 0;
assert(w != NULL);
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++;
}
}
sint32 window_get_scroll_data_index(rct_window *w, rct_widgetindex widget_index)
{
sint32 i, result;
result = 0;
assert(w != NULL);
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))
return w;
rct_window *v;
for (v = RCT2_LAST_WINDOW; v >= g_window_list; v--)
if (!(v->flags & WF_STICK_TO_FRONT))
break;
if (v >= g_window_list && w != v) {
do {
rct_window t = *w;
*w = *(w + 1);
*(w + 1) = t;
w++;
} while (w != v);
window_invalidate(w);
}
if (w->x + w->width < 20) {
sint32 i = 20 - w->x;
w->x += i;
if (w->viewport != NULL)
w->viewport->x += i;
window_invalidate(w);
}
return w;
}
rct_window *window_bring_to_front_by_class_with_flags(rct_windowclass cls, uint16 flags)
{
rct_window* w;
w = window_find_by_class(cls);
if (w != NULL) {
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 != NULL) {
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 (rct_window* w = g_window_list; w < gWindowNextSlot; w++) {
if (w == 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);
if (window->x + window->width + 13 >= context_get_width())
continue;
uint16 push_amount = window->x + window->width - w->x + 3;
w->x += push_amount;
window_invalidate(w);
if (w->viewport != NULL)
w->viewport->x += push_amount;
}
}
/**
*
* rct2: 0x006EE6EA
*/
void window_push_others_below(rct_window *w1)
{
sint32 push_amount;
rct_window* w2;
// Enumerate through all other windows
for (w2 = g_window_list; w2 < RCT2_NEW_WINDOW; w2++) {
if (w1 == w2)
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);
push_amount = w1->y + w1->height - w2->y + 3;
w2->y += push_amount;
// Invalidate the window's new area
window_invalidate(w2);
// Update viewport position if necessary
if (w2->viewport != NULL)
w2->viewport->y += push_amount;
}
}
/**
*
* rct2: 0x006EE2E4
*/
rct_window *window_get_main()
{
rct_window* w = NULL;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == WC_MAIN_WINDOW)
return w;
openrct2_assert(w != NULL, "Failed to get main window");
return NULL;
}
/**
* Based on
* rct2: 0x696ee9, 0x66842F, 0x006AF3B3
*/
void window_scroll_to_viewport(rct_window *w)
{
sint32 x, y, z;
rct_window *mainWindow;
assert(w != NULL);
// In original checked to make sure x and y were not -1 as well.
if (w->viewport == NULL || 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->unknown.x;
y = sprite->unknown.y;
z = sprite->unknown.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 != NULL)
window_scroll_to_location(mainWindow, x, y, z);
}
void window_set_location(rct_window *w, sint32 x, sint32 y, sint32 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, sint32 x, sint32 y, sint32 z)
{
LocationXYZ16 location_3d = {
/* .x = */ (sint16)x,
/* .y = */ (sint16)y,
/* .z = */ (sint16)z
};
assert(w != NULL);
window_unfollow_sprite(w);
if (w->viewport) {
sint16 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());
sint32 i = 0;
if (!(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO)) {
sint32 found = 0;
while (!found) {
sint16 x2 = w->viewport->x + (sint16)(w->viewport->width * window_scroll_locations[i][0]);
sint16 y2 = w->viewport->y + (sint16)(w->viewport->height * window_scroll_locations[i][1]);
rct_window* w2 = w;
while (1) {
w2++;
if (w2 >= gWindowNextSlot) {
found = 1;
break;
}
sint16 x1 = w2->x - 10;
sint16 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 = 0;
break;
}
}
}
if (i >= (sint32)Util::CountOf(window_scroll_locations)) {
i = 0;
found = 1;
}
}
}
// rct2: 0x006E7C76
if (w->viewport_target_sprite == SPRITE_INDEX_NULL) {
if (!(w->flags & WF_NO_SCROLLING)) {
w->saved_view_x = map_coordinate.x - (sint16)(w->viewport->view_width * window_scroll_locations[i][0]);
w->saved_view_y = map_coordinate.y - (sint16)(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()
{
rct_window *w;
for (w = RCT2_NEW_WINDOW - 1; w >= g_window_list; w--)
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, sint32 direction)
{
rct_viewport *viewport = w->viewport;
if (viewport == NULL)
return;
sint16 x = (viewport->width >> 1) + viewport->x;
sint16 y = (viewport->height >> 1) + viewport->y;
sint16 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;
sint32 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, sint16 *map_x, sint16 *map_y, sint16 *offset_x, sint16 *offset_y)
{
// Get mouse position to offset against.
sint32 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, NULL, NULL, NULL);
// Get viewport coordinates centring around the tile.
sint32 base_height = tile_element_height(*map_x, *map_y);
sint32 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.
sint32 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, sint16 map_x, sint16 map_y, sint16 offset_x, sint16 offset_y)
{
// Get viewport coordinates centring around the tile.
sint32 dest_x, dest_y;
sint32 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.
sint32 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.
sint32 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, sint32 zoomLevel, bool atCursor)
{
rct_viewport* v = w->viewport;
zoomLevel = Math::Clamp(0, zoomLevel, MAX_ZOOM_LEVEL);
if (v->zoom == zoomLevel)
return;
// Zooming to cursor? Remember where we're pointing at the moment.
sint16 saved_map_x = 0;
sint16 saved_map_y = 0;
sint16 offset_x = 0;
sint16 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 != NULL)
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, sint32 left, sint32 top, sint32 right, sint32 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<sint32>(left, w->x);
top = std::max<sint32>(top, w->y);
right = std::min<sint32>(right, w->x + w->width);
bottom = std::min<sint32>(bottom, w->y + w->height);
if (left >= right) return;
if (top >= bottom) return;
// Draw the window in this region
for (rct_window *v = w; v < RCT2_NEW_WINDOW; v++) {
// Don't draw overlapping opaque windows, they won't have changed
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 sint32 window_draw_split(rct_drawpixelinfo *dpi, rct_window *w, sint32 left, sint32 top, sint32 right, sint32 bottom)
{
rct_window* topwindow;
// Divide the draws up for only the visible regions of the window recursively
for (topwindow = w + 1; topwindow < RCT2_NEW_WINDOW; topwindow++) {
// Check if this window overlaps w
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, sint32 left, sint32 top, sint32 right, sint32 bottom)
{
// Copy dpi so we can crop it
rct_drawpixelinfo copy = *dpi;
dpi = &copy;
// Clamp left to 0
sint32 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: 0x006EB15C
*
* @param window (esi)
* @param dpi (edi)
*/
void window_draw_widgets(rct_window *w, rct_drawpixelinfo *dpi)
{
rct_widget *widget;
rct_widgetindex widgetIndex;
if ((w->flags & WF_TRANSPARENT) && !(w->flags & WF_NO_BACKGROUND))
gfx_filter_rect(dpi, w->x, w->y, w->x + w->width - 1, w->y + w->height - 1, PALETTE_51);
//todo: some code missing here? Between 006EB18C and 006EB260
widgetIndex = 0;
for (widget = w->widgets; widget->type != WWT_LAST; widget++) {
// Check if widget is outside the draw region
if (w->x + widget->left < dpi->x + dpi->width && w->x + widget->right >= dpi->x)
if (w->y + widget->top < dpi->y + dpi->height && w->y + widget->bottom >= dpi->y)
widget_draw(dpi, w, widgetIndex);
widgetIndex++;
}
//todo: something missing here too? Between 006EC32B and 006EC369
if (w->flags & WF_WHITE_BORDER_MASK) {
gfx_fill_rect_inset(dpi, w->x, w->y, w->x + w->width - 1, w->y + w->height - 1, COLOUR_WHITE, INSET_RECT_FLAG_FILL_NONE);
}
}
/**
*
* 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, sint32 x, sint32 y)
{
window_move_position(w, x - w->x, y - w->y);
}
void window_move_position(rct_window *w, sint32 dx, sint32 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 != NULL) {
w->viewport->x += dx;
w->viewport->y += dy;
}
// Invalidate new region
window_invalidate(w);
}
void window_resize(rct_window *w, sint32 dw, sint32 dh)
{
sint32 i;
if (dw == 0 && dh == 0)
return;
// Invalidate old region
window_invalidate(w);
// Clamp new size to minimum and maximum
w->width = Math::Clamp<sint16>(w->min_width, w->width + dw, w->max_width);
w->height = Math::Clamp<sint16>(w->min_height, w->height + dh, 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 = -1;
w->scrolls[i].v_bottom = -1;
}
window_update_scroll_widgets(w);
// Invalidate new region
window_invalidate(w);
}
void window_set_resize(rct_window *w, sint32 minWidth, sint32 minHeight, sint32 maxWidth, sint32 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
sint32 width = Math::Clamp<sint32>(minWidth, w->width, maxWidth);
sint32 height = Math::Clamp<sint32>(minHeight, w->height, 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 != NULL)
window_event_tool_abort_call(w, gCurrentToolWidget.widget_index);
}
}
}
void window_event_close_call(rct_window *w)
{
if (w->event_handlers->close != NULL)
w->event_handlers->close(w);
}
void window_event_mouse_up_call(rct_window *w, rct_widgetindex widgetIndex)
{
if (w->event_handlers->mouse_up != NULL)
w->event_handlers->mouse_up(w, widgetIndex);
}
void window_event_resize_call(rct_window *w)
{
if (w->event_handlers->resize != NULL)
w->event_handlers->resize(w);
}
void window_event_mouse_down_call(rct_window *w, rct_widgetindex widgetIndex)
{
if (w->event_handlers->mouse_down != NULL)
w->event_handlers->mouse_down(w, widgetIndex, &w->widgets[widgetIndex]);
}
void window_event_dropdown_call(rct_window *w, rct_widgetindex widgetIndex, sint32 dropdownIndex)
{
if (w->event_handlers->dropdown != NULL)
w->event_handlers->dropdown(w, widgetIndex, dropdownIndex);
}
void window_event_unknown_05_call(rct_window *w)
{
if (w->event_handlers->unknown_05 != NULL)
w->event_handlers->unknown_05(w);
}
void window_event_update_call(rct_window *w)
{
if (w->event_handlers->update != NULL)
w->event_handlers->update(w);
}
void window_event_unknown_07_call(rct_window *w)
{
if (w->event_handlers->unknown_07 != NULL)
w->event_handlers->unknown_07(w);
}
void window_event_unknown_08_call(rct_window *w)
{
if (w->event_handlers->unknown_08 != NULL)
w->event_handlers->unknown_08(w);
}
void window_event_tool_update_call(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
if (w->event_handlers->tool_update != NULL)
w->event_handlers->tool_update(w, widgetIndex, x, y);
}
void window_event_tool_down_call(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
if (w->event_handlers->tool_down != NULL)
w->event_handlers->tool_down(w, widgetIndex, x, y);
}
void window_event_tool_drag_call(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
if (w->event_handlers->tool_drag != NULL)
w->event_handlers->tool_drag(w, widgetIndex, x, y);
}
void window_event_tool_up_call(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
if (w->event_handlers->tool_up != NULL)
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 != NULL)
w->event_handlers->tool_abort(w, widgetIndex);
}
void window_event_unknown_0E_call(rct_window *w)
{
if (w->event_handlers->unknown_0E != NULL)
w->event_handlers->unknown_0E(w);
}
void window_get_scroll_size(rct_window *w, sint32 scrollIndex, sint32 *width, sint32 *height)
{
if (w->event_handlers->get_scroll_size != NULL) {
w->event_handlers->get_scroll_size(w, scrollIndex, width, height);
}
}
void window_event_scroll_mousedown_call(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y)
{
if (w->event_handlers->scroll_mousedown != NULL)
w->event_handlers->scroll_mousedown(w, scrollIndex, x, y);
}
void window_event_scroll_mousedrag_call(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y)
{
if (w->event_handlers->scroll_mousedrag != NULL)
w->event_handlers->scroll_mousedrag(w, scrollIndex, x, y);
}
void window_event_scroll_mouseover_call(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y)
{
if (w->event_handlers->scroll_mouseover != NULL)
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 != NULL)
w->event_handlers->text_input(w, widgetIndex, text);
}
void window_event_viewport_rotate_call(rct_window *w)
{
if (w->event_handlers->viewport_rotate != NULL)
w->event_handlers->viewport_rotate(w);
}
void window_event_unknown_15_call(rct_window *w, sint32 scrollIndex, sint32 scrollAreaType)
{
if (w->event_handlers->unknown_15 != NULL)
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 != NULL)
w->event_handlers->tooltip(w, widgetIndex, &result);
return result;
}
sint32 window_event_cursor_call(rct_window *w, rct_widgetindex widgetIndex, sint32 x, sint32 y)
{
sint32 cursorId = CURSOR_ARROW;
if (w->event_handlers->cursor != NULL)
w->event_handlers->cursor(w, widgetIndex, x, y, &cursorId);
return cursorId;
}
void window_event_moved_call(rct_window *w, sint32 x, sint32 y)
{
if (w->event_handlers->moved != NULL)
w->event_handlers->moved(w, x, y);
}
void window_event_invalidate_call(rct_window *w)
{
if (w->event_handlers->invalidate != NULL)
w->event_handlers->invalidate(w);
}
void window_event_paint_call(rct_window *w, rct_drawpixelinfo *dpi)
{
if (w->event_handlers->paint != NULL)
w->event_handlers->paint(w, dpi);
}
void window_event_scroll_paint_call(rct_window *w, rct_drawpixelinfo *dpi, sint32 scrollIndex)
{
if (w->event_handlers->scroll_paint != NULL)
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, sint32 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(sint32 width, sint32 height){
sint32 new_location = 8;
for (rct_window* w = g_window_list; w < RCT2_NEW_WINDOW; w++){
// 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
sint32 x = w->x;
sint32 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){
w->viewport->x -= x - w->x;
w->viewport->y -= y - w->y;
}
}
}
/**
* rct2: 0x0066B905
*/
void window_resize_gui(sint32 width, sint32 height)
{
if (gScreenFlags & (SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)){
window_resize_gui_scenario_editor(width, height);
return;
}
rct_window *mainWind = window_get_main();
if (mainWind != NULL) {
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 != NULL && 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 != NULL) {
topWind->width = std::max(640, width);
}
rct_window *bottomWind = window_find_by_class(WC_BOTTOM_TOOLBAR);
if (bottomWind != NULL) {
bottomWind->y = height - 32;
bottomWind->width = std::max(640, width);
}
rct_window *titleWind = window_find_by_class(WC_TITLE_MENU);
if (titleWind != NULL) {
titleWind->x = (width - titleWind->width) / 2;
titleWind->y = height - 142;
}
rct_window *exitWind = window_find_by_class(WC_TITLE_EXIT);
if (exitWind != NULL) {
exitWind->x = width - 40;
exitWind->y = height - 64;
}
rct_window *optionsWind = window_find_by_class(WC_TITLE_OPTIONS);
if (optionsWind != NULL) {
optionsWind->x = width - 80;
}
gfx_invalidate_screen();
}
/**
* rct2: 0x0066F0DD
*/
void window_resize_gui_scenario_editor(sint32 width, sint32 height)
{
rct_window* mainWind = window_get_main();
if (mainWind) {
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 != NULL && 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 != NULL) {
topWind->width = std::max(640, width);
}
rct_window *bottomWind = window_find_by_class(WC_BOTTOM_TOOLBAR);
if (bottomWind != NULL) {
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)
{
sint32 i, x = w->widgets[start_tab_id].left;
sint32 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);
}
/**
*
* rct2: 0x006EA776
*/
static void window_invalidate_pressed_image_buttons(rct_window *w)
{
rct_widgetindex widgetIndex;
rct_widget *widget;
widgetIndex = 0;
for (widget = w->widgets; widget->type != WWT_LAST; widget++, widgetIndex++) {
if (widget->type != WWT_5 && widget->type != WWT_IMGBTN)
continue;
if (widget_is_pressed(w, widgetIndex) || widget_is_active_tool(w, widgetIndex))
gfx_set_dirty_blocks(w->x, w->y, w->x + w->width, w->y + w->height);
}
}
/**
*
* rct2: 0x006EA73F
*/
void invalidate_all_windows_after_input()
{
for (rct_window *w = RCT2_LAST_WINDOW; w >= g_window_list; w--) {
window_update_scroll_widgets(w);
window_invalidate_pressed_image_buttons(w);
window_event_resize_call(w);
}
}
/**
* Update zoom based volume attenuation for ride music and clear music list.
* rct2: 0x006BC348
*/
void window_update_viewport_ride_music()
{
rct_viewport *viewport;
rct_window *w;
gRideMusicParamsListEnd = &gRideMusicParamsList[0];
g_music_tracking_viewport = NULL;
for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--) {
viewport = w->viewport;
if (viewport == NULL || !(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, sint32 proximity)
{
sint32 right, rightMost, wLeftProximity, wRightProximity, wBottom;
rct_window *mainWindow, *w2;
mainWindow = window_get_main();
wBottom = w->y + w->height;
wLeftProximity = w->x - (proximity * 2);
wRightProximity = w->x + (proximity * 2);
rightMost = INT32_MIN;
for (w2 = g_window_list; w2 < RCT2_NEW_WINDOW; w2++) {
if (w2 == w || w2 == mainWindow)
continue;
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, sint32 proximity)
{
sint32 bottom, bottomMost, wTopProximity, wBottomProximity, wRight;
rct_window *mainWindow, *w2;
mainWindow = window_get_main();
wRight = w->x + w->width;
wTopProximity = w->y - (proximity * 2);
wBottomProximity = w->y + (proximity * 2);
bottomMost = INT32_MIN;
for (w2 = g_window_list; w2 < RCT2_NEW_WINDOW; w2++) {
if (w2 == w || w2 == mainWindow)
continue;
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, sint32 proximity)
{
sint32 leftMost, wLeftProximity, wRightProximity, wRight, wBottom, screenWidth;
rct_window *mainWindow, *w2;
mainWindow = window_get_main();
wRight = w->x + w->width;
wBottom = w->y + w->height;
wLeftProximity = wRight - (proximity * 2);
wRightProximity = wRight + (proximity * 2);
leftMost = INT32_MAX;
for (w2 = g_window_list; w2 < RCT2_NEW_WINDOW; w2++) {
if (w2 == w || w2 == mainWindow)
continue;
if (wBottom < w2->y || w->y > w2->y + w2->height)
continue;
if (w2->x < wLeftProximity || w2->x > wRightProximity)
continue;
leftMost = std::min<sint32>(leftMost, w2->x);
}
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, sint32 proximity)
{
sint32 topMost, wTopProximity, wBottomProximity, wRight, wBottom, screenHeight;
rct_window *mainWindow, *w2;
mainWindow = window_get_main();
wRight = w->x + w->width;
wBottom = w->y + w->height;
wTopProximity = wBottom - (proximity * 2);
wBottomProximity = wBottom + (proximity * 2);
topMost = INT32_MAX;
for (w2 = g_window_list; w2 < RCT2_NEW_WINDOW; w2++) {
if (w2 == w || w2 == mainWindow)
continue;
if (wRight < w2->x || w->x > w2->x + w2->width)
continue;
if (w2->y < wTopProximity || w2->y > wBottomProximity)
continue;
topMost = std::min<sint32>(topMost, w2->y);
}
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, sint32 newWindowX, sint32 newWindowY, sint32 snapProximity)
{
sint32 originalX = w->x;
sint32 originalY = w->y;
sint32 minY = (gScreenFlags & SCREEN_FLAGS_TITLE_DEMO) ? 1 : TOP_TOOLBAR_HEIGHT + 2;
newWindowY = Math::Clamp(minY, newWindowY, 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);
}
sint32 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, sint32 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
memset(gTextBoxInput, 0, maxLength);
// 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, NULL);
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 == NULL)
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 == NULL || w->classification == WC_MAIN_WINDOW)
{
// default to previous behaviour
w->visibility = VC_VISIBLE;
return true;
}
// start from the window above the current
for (rct_window *w_other = (w+1); w_other < RCT2_NEW_WINDOW; w_other++)
{
// 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, sint16 left, sint16 top, sint16 right, sint16 bottom)
{
rct_drawpixelinfo windowDPI;
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 (rct_window *w = g_window_list; w < gWindowNextSlot; w++) {
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, left, top, right, bottom);
}
}
rct_viewport * window_get_previous_viewport(rct_viewport * current)
{
bool foundPrevious = (current == NULL);
rct_window * window = gWindowNextSlot;
if (window == NULL)
{
return NULL;
}
while (true)
{
window--;
if (window < g_window_list)
{
break;
}
if (window->viewport == NULL)
{
continue;
}
if (foundPrevious)
{
return window->viewport;
}
if (window->viewport == current)
{
foundPrevious = true;
}
}
return NULL;
}
void window_reset_visibilities()
{
// reset window visibility status to unknown
for (rct_window * w = g_window_list; w < gWindowNextSlot; w++)
{
w->visibility = VC_UNKNOWN;
if (w->viewport != NULL)
{
w->viewport->visibility = VC_UNKNOWN;
}
}
}
void window_init_all()
{
if (gWindowNextSlot != NULL)
{
window_close_all();
}
gWindowNextSlot = g_window_list;
}
void window_follow_sprite(rct_window * w, size_t spriteIndex)
{
if (spriteIndex < MAX_SPRITES || spriteIndex == SPRITE_INDEX_NULL)
{
w->viewport_smart_follow_sprite = (uint16)spriteIndex;
}
}
void window_unfollow_sprite(rct_window * w)
{
w->viewport_smart_follow_sprite = SPRITE_INDEX_NULL;
w->viewport_target_sprite = SPRITE_INDEX_NULL;
}
}
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