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OpenRCT2/src/window.c

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/*****************************************************************************
* Copyright (c) 2014 Ted John, Peter Hill
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include <string.h>
#include "addresses.h"
#include "audio.h"
#include "game.h"
#include "gfx.h"
#include "map.h"
#include "osinterface.h"
#include "rct2.h"
#include "widget.h"
#include "window.h"
#include "viewport.h"
#include "sprite.h"
#define RCT2_FIRST_WINDOW (RCT2_ADDRESS(RCT2_ADDRESS_WINDOW_LIST, rct_window))
#define RCT2_LAST_WINDOW (RCT2_GLOBAL(RCT2_ADDRESS_NEW_WINDOW_PTR, rct_window*) - 1)
#define RCT2_NEW_WINDOW (RCT2_GLOBAL(RCT2_ADDRESS_NEW_WINDOW_PTR, rct_window*))
#define MAX_NUMBER_WINDOWS 11
rct_window* g_window_list = RCT2_ADDRESS(RCT2_ADDRESS_WINDOW_LIST, rct_window);
static void window_all_wheel_input();
static int window_draw_split(rct_window *w, int left, int top, int right, int bottom);
int window_get_widget_index(rct_window *w, rct_widget *widget)
{
rct_widget *widget2;
int i = 0;
for (widget2 = w->widgets; widget2->type != WWT_LAST; widget2++, i++)
if (widget == widget2)
return i;
return -1;
}
int window_get_scroll_index(rct_window *w, int targetWidgetIndex)
{
int widgetIndex, scrollIndex;
rct_widget *widget;
if (w->widgets[targetWidgetIndex].type != WWT_SCROLL)
return -1;
scrollIndex = 0;
widgetIndex = 0;
for (widget = w->widgets; widget->type != WWT_LAST; widget++, widgetIndex++) {
if (widgetIndex == targetWidgetIndex)
break;
if (widget->type == WWT_SCROLL)
scrollIndex++;
}
return scrollIndex;
}
int window_get_scroll_index_from_widget(rct_window *w, rct_widget *widget)
{
int scrollIndex;
rct_widget *widget2;
if (widget->type != WWT_SCROLL)
return -1;
scrollIndex = 0;
for (widget2 = w->widgets; widget2->type != WWT_LAST; widget2++) {
if (widget2 == widget)
break;
if (widget2->type == WWT_SCROLL)
scrollIndex++;
}
return scrollIndex;
}
rct_widget *window_get_scroll_widget(rct_window *w, int scrollIndex)
{
rct_widget *widget;
for (widget = w->widgets; widget->type != WWT_LAST; widget++) {
if (widget->type != WWT_SCROLL)
continue;
if (scrollIndex == 0)
return widget;
scrollIndex--;
}
return NULL;
}
static void RCT2_CALLPROC_WE_UPDATE(int address, rct_window* w)
{
#ifdef _MSC_VER
__asm {
push address
push w
mov esi, w
call[esp + 4]
add esp, 8
}
#else
__asm__ ( "\
push %[address]\n\
mov eax, %[w] \n\
push eax \n\
mov esi, %[w] \n\
call [esp+4] \n\
add esp, 8 \n\
" : [address] "+m" (address), [w] "+m" (w) : : "eax", "esi" );
#endif
}
/**
*
* rct2: 0x006ED7B0
*/
void window_dispatch_update_all()
{
rct_window *w;
RCT2_GLOBAL(0x01423604, sint32)++;
RCT2_GLOBAL(RCT2_ADDRESS_TOOLTIP_NOT_SHOWN_TICKS, sint16)++;
for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
RCT2_CALLPROC_WE_UPDATE(w->event_handlers[WE_UPDATE], w);
RCT2_CALLPROC_EBPSAFE(0x006EE411); // handle_text_input
}
/**
*
* rct2: 0x006E77A1
*/
void window_update_all()
{
rct_window* w;
RCT2_GLOBAL(0x009E3CD8, sint32)++;
// if (RCT2_GLOBAL(0x009E3CD8, sint32) == 224 && RCT2_GLOBAL(0x009ABDF2, sint8) != 0)
// RCT2_CALLPROC(0x004067E3); // ddwindow_move_to_top_corner
if (RCT2_GLOBAL(0x009ABDF2, sint8) == 0)
return;
gfx_draw_all_dirty_blocks();
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->viewport != NULL)
viewport_update_position(w);
// 1000 tick update
RCT2_GLOBAL(0x009DEB7C, sint16) += RCT2_GLOBAL(0x009DE588, sint16);
if (RCT2_GLOBAL(0x009DEB7C, sint16) >= 1000) {
RCT2_GLOBAL(0x009DEB7C, sint16) = 0;
for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
RCT2_CALLPROC_X(w->event_handlers[WE_UNKNOWN_07], 0, 0, 0, 0, (int) w, 0, 0);
}
// Border flash invalidation
for (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);
}
}
// RCT2_CALLPROC_X(0x006E7868, 0, 0, 0, 0, 0, RCT2_ADDRESS(RCT2_ADDRESS_SCREEN_DPI, rct_drawpixelinfo), 0); // process_mouse_wheel_input();
window_all_wheel_input();
}
/**
*
* rct2: 0x006E78E3
*/
static void window_scroll_wheel_input(rct_window *w, int scrollIndex, int wheel)
{
int widgetIndex, size;
rct_scroll *scroll;
rct_widget *widget;
scroll = &w->scrolls[scrollIndex];
widget = window_get_scroll_widget(w, scrollIndex);
widgetIndex = window_get_widget_index(w, widget);
if (scroll->flags & VSCROLLBAR_VISIBLE) {
size = widget->bottom - widget->top - 1;
if (scroll->flags & HSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->v_bottom - size);
scroll->v_top = min(max(0, scroll->v_top + wheel), size);
} else {
size = widget->right - widget->left - 1;
if (scroll->flags & VSCROLLBAR_VISIBLE)
size -= 11;
size = max(0, scroll->h_right - size);
scroll->h_left = min(max(0, scroll->h_left + wheel), size);
}
widget_scroll_update_thumbs(w, widgetIndex);
widget_invalidate(w->classification, w->number, widgetIndex);
}
/**
*
* rct2: 0x006E793B
*/
static int window_wheel_input(rct_window *w, int wheel)
{
int i;
rct_widget *widget;
rct_scroll *scroll;
i = 0;
for (widget = w->widgets; widget->type != WWT_LAST; widget++) {
if (widget->type != WWT_SCROLL)
continue;
// Originally always checked first scroll view, bug maybe?
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, int wheel)
{
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 9)
return;
if (wheel < 0)
window_zoom_in(w);
else if (wheel > 0)
window_zoom_out(w);
}
/**
*
* rct2: 0x006E7868
*/
static void window_all_wheel_input()
{
int raw, wheel, widgetIndex;
rct_window *w;
rct_widget *widget;
rct_scroll *scroll;
// Get wheel value
raw = gCursorState.wheel;
wheel = 0;
while (1) {
raw -= 120;
if (raw < 0)
break;
wheel -= 17;
}
raw += 120;
while (1) {
raw += 120;
if (raw > 0)
break;
wheel += 17;
}
raw -= 120;
gCursorState.wheel = raw;
if (wheel == 0)
return;
// Check window cursor is over
if (!(RCT2_GLOBAL(0x009DE518, uint32) & (1 << 5))) {
w = window_find_from_point(gCursorState.x, gCursorState.y);
if (w != NULL) {
// Check if main window
if (w->classification == WC_MAIN_WINDOW) {
window_viewport_wheel_input(w, wheel);
return;
}
// Check scroll view, cursor is over
widgetIndex = window_find_widget_from_point(w, gCursorState.x, gCursorState.y);
if (widgetIndex != -1) {
widget = &w->widgets[widgetIndex];
if (widget->type == WWT_SCROLL) {
scroll = &w->scrolls[RCT2_GLOBAL(0x01420075, uint8)];
if (scroll->flags & (HSCROLLBAR_VISIBLE | VSCROLLBAR_VISIBLE)) {
window_scroll_wheel_input(w, window_get_scroll_index(w, widgetIndex), wheel);
return;
}
}
// Check other scroll views on window
if (window_wheel_input(w, wheel))
return;
}
}
}
// Check windows, front to back
for (w = RCT2_LAST_WINDOW; w >= g_window_list; w--)
if (window_wheel_input(w, wheel))
return;
}
/**
* 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(int x, int y, int width, int height, uint32 *event_handlers, rct_windowclass cls, uint16 flags)
{
rct_window *w;
// Check if there are any window slots left
if (RCT2_NEW_WINDOW >= &(g_window_list[MAX_NUMBER_WINDOWS])) {
// 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_9)))
break;
window_close(w);
}
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;
sound_play_panned(SOUND_WINDOW_OPEN, 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->var_020 = 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;
RCT2_NEW_WINDOW++;
window_invalidate(w);
return w;
}
/**
* 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(int width, int height, uint32 *event_handlers, rct_windowclass cls, uint16 flags)
{
int eax, ebx, ecx, edx, esi, edi, ebp;
ebx = (height << 16) | width;
ecx = (flags << 8) | cls;
edx = (int)event_handlers;
RCT2_CALLFUNC_X(0x006EA9B1, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
return (rct_window*)esi;
}
/**
* Closes the specified window.
* rct2: 0x006ECD4C
*
* @param window The window to close (esi).
*/
void window_close(rct_window* window)
{
int num_windows;
if (window == NULL)
return;
// Call close event of window
RCT2_CALLPROC_X(window->event_handlers[WE_CLOSE], 0, 0, 0, 0, (int)window, 0, 0);
window = window_find_by_id(window->classification, window->number);
// 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 = (RCT2_NEW_WINDOW - window);
if (num_windows > 0)
memmove(window, window + 1, num_windows * sizeof(rct_window));
viewport_update_pointers();
}
/**
* Closes window with defined windowclass and windownumber.
* If the windowclass has the highest bit set (bit 15) then it only looks
* at the windowclass and not the windownumber
* rct2: 0x006ECCF4
* @param cls (cl)
* @param number (dx)
*/
void window_close_by_id(rct_windowclass cls, rct_windownumber number)
{
rct_window* w;
if (cls & 0x80) {
cls &= ~0x80;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++) {
if (w->classification == cls) {
window_close(w);
w = g_window_list - 1;
}
}
} else {
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++) {
if (w->classification == cls && w->number == number) {
window_close(w);
w = g_window_list - 1;
}
}
}
}
/**
* Returns the first window with defined windowclass and windownumber.
* If the windowclass has the highest bit set (bit 15) then it only looks
* at the windowclass and not the windownumber.
* Returns NULL on failure to find window.
* rct2: 0x006EA8A0
* @param cls (cl)
* @param number (dx)
*/
rct_window *window_find_by_id(rct_windowclass cls, rct_windownumber number)
{
rct_window *w;
if (cls & 0x80) {
cls &= ~0x80;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls)
return w;
} else {
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_id(WC_DROPDOWN, 0);
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 2)
if (RCT2_GLOBAL(0x0141F570, uint8) != 1)
return;
for (w = g_window_list; w < RCT2_LAST_WINDOW; 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() {
rct_window* w;
window_close_by_id(WC_DROPDOWN, 0);
for (w = g_window_list; w < RCT2_LAST_WINDOW; w++){
if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
window_close(w);
w = g_window_list;
}
}
}
/**
*
* rct2: 0x006EA845
*/
rct_window *window_find_from_point(int x, int y)
{
rct_window *w;
rct_widget *widget;
int 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_5) {
widget_index = window_find_widget_from_point(w, x, y);
if (widget_index == -1)
continue;
widget = &w->widgets[widget_index];
}
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
*/
int window_find_widget_from_point(rct_window *w, int x, int y)
{
rct_widget *widget;
int i, widget_index;
// Invalidate the window
RCT2_CALLPROC_X(w->event_handlers[WE_INVALIDATE], 0, 0, 0, 0, (int)w, 0, 0);
// Find the widget at point x, y
widget_index = -1;
RCT2_GLOBAL(0x01420074, uint8) = -1;
for (i = 0;; i++) {
widget = &w->widgets[i];
if (widget->type == WWT_LAST) {
break;
} else if (widget->type != WWT_EMPTY) {
if (widget->type == WWT_SCROLL)
RCT2_GLOBAL(0x01420074, uint8)++;
if (x >= w->x + widget->left && x <= w->x + widget->right &&
y >= w->y + widget->top && y <= w->y + widget->bottom
) {
widget_index = i;
RCT2_GLOBAL(0x01420075, uint8) = RCT2_GLOBAL(0x01420074, uint8);
}
}
}
// 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);
}
/**
*
* rct2: 0x006EC3AC
* See also widget_invalidate that will probably be used
* when cls is > 0x7F.
* @param cls (ax)
* @param number (bx)
*/
void window_invalidate_by_id(uint16 cls, rct_windownumber number)
{
rct_window* w;
rct_widget* widget;
uint8 widgetIndex;
if (cls & 0x80) {
widgetIndex = cls >> 8;
cls &= 0x7F;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++) {
if (w->classification == cls && w->number == number) {
widget = &w->widgets[widgetIndex];
if (widget->left != -2) {
gfx_set_dirty_blocks(w->x + widget->left, w->y + widget->top,
w->x + widget->right + 1, w->y + widget->bottom + 1);
}
}
}
} else if (cls & 0x40) {
cls &= 0xBF;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls)
window_invalidate(w);
} else {
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == cls && w->number == number)
window_invalidate(w);
}
}
void widget_invalidate(rct_windowclass cls, rct_windownumber number, int widgetIndex)
{
window_invalidate_by_id((widgetIndex << 8) | 0x80 | cls, number);
}
/**
* 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;
int widget_index, scroll_index;
int 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];
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->image & 0x01)
scroll->flags |= HSCROLLBAR_VISIBLE;
if (widget->image & 0x02)
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)
{
RCT2_CALLPROC_X(0x006EAE4E, 0, 0, 0, 0, (int)w, 0, 0);
}
int window_get_scroll_size(rct_window *w, int scrollIndex, int *width, int *height)
{
rct_widget *widget = window_get_scroll_widget(w, scrollIndex);
int widgetIndex = window_get_widget_index(w, widget);
int eax = 0, ebx = scrollIndex * sizeof(rct_scroll), ecx = 0, edx = 0, esi = (int)w, edi = widgetIndex * sizeof(rct_widget), ebp = 0;
RCT2_CALLFUNC_X(w->event_handlers[WE_SCROLL_GETSIZE], & eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
*width = ecx;
*height = edx;
return 1;
}
int window_get_scroll_data_index(rct_window *w, int widget_index)
{
int i, result;
result = 0;
for (i = 0; i < widget_index; i++) {
if (w->widgets[i].type == WWT_SCROLL)
result++;
}
return result;
}
/**
*
* rct2: 0x006ED78A
* cls (cl)
* number (dx)
*/
rct_window *window_bring_to_front_by_id(rct_windowclass cls, rct_windownumber number)
{
rct_window* w;
w = window_find_by_id(cls, number);
if (w != NULL) {
w->flags |= WF_WHITE_BORDER_MASK;
window_invalidate(w);
w = window_bring_to_front(w);
}
return w;
}
/**
*
* rct2: 0x006ECDA4
*/
rct_window *window_bring_to_front(rct_window *w)
{
int i;
rct_window* v, t;
if (w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))
return w;
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 {
t = *w;
*w = *(w + 1);
*(w + 1) = t;
w++;
} while (w != v);
window_invalidate(w);
}
if (w->x + w->width < 20) {
i = 20 - w->x;
w->x += i;
if (w->viewport != NULL)
w->viewport->x += i;
window_invalidate(w);
}
return w;
}
/**
*
* rct2: 0x006EE65A
*/
void window_push_others_right(rct_window* window)
{
for (rct_window* w = g_window_list; w < RCT2_GLOBAL(RCT2_ADDRESS_NEW_WINDOW_PTR, rct_window*); 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 >= RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, uint16))
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)
{
int 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 >= RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16))
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;
for (w = g_window_list; w < RCT2_NEW_WINDOW; w++)
if (w->classification == WC_MAIN_WINDOW)
return w;
return NULL;
}
/**
* Based on
* rct2: 0x696ee9 & 0x66842F
*
*/
void window_scroll_to_viewport(rct_window *w)
{
int x, y, z;
rct_window *mainWindow;
// 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 = &(g_sprite_list[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);
}
/**
*
* rct2: 0x006E7C9C
*/
void window_scroll_to_location(rct_window *w, int x, int y, int z)
{
RCT2_CALLPROC_X(0x006E7C9C, x, 0, y, z, (int)w, 0, 0);
}
/**
*
* rct2: 0x0068881A
*/
void window_rotate_camera(rct_window *w)
{
//RCT2_CALLPROC_X(0x0068881A, 0, 0, 0, 0, (int)w, 0, 0);
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;
uint8 rot = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, uint8);
int ecx, edx, esi, edi = (int)viewport, ebp;
//has something to do with checking if middle of the viewport is obstructed
RCT2_CALLFUNC_X(0x00688972, (int*)&x, (int*)&y, &ecx, &edx, &esi, &edi, &ebp);
rct_viewport *other = (rct_viewport*)edi;
// other != viewport probably triggers on viewports in ride or guest window?
// x is 0x8000 if middle of viewport is obstructed by another window?
if (x == (sint16)SPRITE_LOCATION_NULL || other != viewport){
x = (viewport->view_width >> 1) + viewport->view_x;
y = (viewport->view_height >> 1) + viewport->view_y;
sub_689174(&x, &y, &z, rot);
} else {
z = map_element_height(x, y);
}
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, uint32) = (rot + 1) % 4;
int new_x, new_y;
center_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);
RCT2_CALLPROC_EBPSAFE(0x00688956);
sub_0x0069E9A7();
}
/**
*
* rct2: 0x006887A6
*/
void window_zoom_in(rct_window *w)
{
rct_viewport* v = w->viewport;
// Prevent zooming more than possible.
if (v->zoom <= 0) {
return;
}
v->zoom--;
v->view_width /= 2;
v->view_height /= 2;
w->saved_view_x += v->view_width >> 1;
w->saved_view_y += v->view_height >> 1;
window_invalidate(w);
}
/**
*
* rct2: 0x006887E0
*/
void window_zoom_out(rct_window *w)
{
rct_viewport* v = w->viewport;
// Prevent zooming more than possible.
if (v->zoom >= 3) {
return;
}
v->zoom++;
int width = v->view_width;
int height = v->view_height;
v->view_width *= 2;
v->view_height *= 2;
w->saved_view_x -= width / 2;
w->saved_view_y -= height >> 1;
window_invalidate(w);
}
/**
*
* rct2: 0x006EE308
*/
void window_show_textinput(rct_window *w, int widgetIndex, uint16 title, uint16 text, int value)
{
RCT2_CALLPROC_X(0x006EE308, title, text, value, widgetIndex, (int)w, 0, 0);
}
/**
* Draws a window that is in the specified region.
* rct2: 0x006E756C
* left (ax)
* top (bx)
* right (dx)
* bottom (bp)
*/
void window_draw(rct_window *w, int left, int top, int right, int bottom)
{
rct_window* v;
rct_drawpixelinfo *dpi, copy;
int overflow;
// RCT2_CALLPROC_X(0x006E756C, left, top, 0, right, w, 0, bottom);
// return;
// Split window into only the regions that require drawing
if (window_draw_split(w, left, top, right, bottom))
return;
// Clamp region
left = max(left, w->x);
top = max(top, w->y);
right = min(right, w->x + w->width);
bottom = min(bottom, w->y + w->height);
if (left >= right)
return;
if (top >= bottom)
return;
// Draw the window in this region
for (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))
continue;
copy = *RCT2_ADDRESS(RCT2_ADDRESS_WINDOW_DPI, rct_drawpixelinfo);
dpi = &copy;
// Clamp left to 0
overflow = left - dpi->x;
if (overflow > 0) {
dpi->x += overflow;
dpi->width -= overflow;
if (dpi->width <= 0)
continue;
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)
continue;
dpi->pitch += overflow;
}
// Clamp top to 0
overflow = top - dpi->y;
if (overflow > 0) {
dpi->y += overflow;
dpi->height -= overflow;
if (dpi->height <= 0)
continue;
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)
continue;
}
RCT2_GLOBAL(0x01420070, sint32) = v->x;
// Text colouring
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_WINDOW_COLOUR_1, uint8) = v->colours[0] & 0x7F;
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_WINDOW_COLOUR_2, uint8) = v->colours[1] & 0x7F;
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_WINDOW_COLOUR_3, uint8) = v->colours[2] & 0x7F;
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_WINDOW_COLOUR_4, uint8) = v->colours[3] & 0x7F;
// Invalidate the window
RCT2_CALLPROC_X(v->event_handlers[WE_INVALIDATE], 0, 0, 0, 0, (int)v, 0, 0);
// Paint the window
RCT2_CALLPROC_X(v->event_handlers[WE_PAINT], 0, 0, 0, 0, (int)v, (int)dpi, 0);
}
}
/**
* Splits a drawing of a window into regions that can be seen and are not hidden
* by other opaque overlapping windows.
*/
static int window_draw_split(rct_window *w, int left, int top, int right, int 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(w, left, top, topwindow->x, bottom);
window_draw(w, topwindow->x, top, right, bottom);
} else if (topwindow->x + topwindow->width < right) {
// Split draw at topwindow.right
window_draw(w, left, top, topwindow->x + topwindow->width, bottom);
window_draw(w, topwindow->x + topwindow->width, top, right, bottom);
} else if (topwindow->y > top) {
// Split draw at topwindow.top
window_draw(w, left, top, right, topwindow->y);
window_draw(w, left, topwindow->y, right, bottom);
} else if (topwindow->y + topwindow->height < bottom) {
// Split draw at topwindow.bottom
window_draw(w, left, top, right, topwindow->y + topwindow->height);
window_draw(w, left, topwindow->y + topwindow->height, right, bottom);
}
// Drawing for this region should be done now, exit
return 1;
}
// No windows overlap
return 0;
}
/**
*
* rct2: 0x006EB15C
*
* @param window (esi)
* @param dpi (edi)
*/
void window_draw_widgets(rct_window *w, rct_drawpixelinfo *dpi)
{
rct_widget *widget;
int widgetIndex;
// RCT2_CALLPROC_X(0x006EB15C, 0, 0, 0, 0, w, dpi, 0);
// return;
if ((w->flags & WF_TRANSPARENT) && !(w->flags & WF_5))
gfx_fill_rect(dpi, w->x, w->y, w->x + w->width - 1, w->y + w->height - 1, 0x2000000 | 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, 2, 0x10);
}
}
/**
*
* 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_move_position(rct_window *w, int dx, int 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, int dw, int dh)
{
int i;
if (dw == 0 && dh == 0)
return;
// Invalidate old region
window_invalidate(w);
// Clamp new size to minimum and maximum
w->width = clamp(w->min_width, w->width + dw, w->max_width);
w->height = clamp(w->min_height, w->height + dh, w->max_height);
RCT2_CALLPROC_X(w->event_handlers[WE_RESIZE], w->width, w->height, 0, 0, (int)w, 0, 0);
RCT2_CALLPROC_X(w->event_handlers[WE_INVALIDATE], 0, 0, 0, 0, (int)w, 0, 0);
// 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, int minWidth, int minHeight, int maxWidth, int 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
if (w->width < minWidth) {
w->width = minWidth;
window_invalidate(w);
}
if (w->height < minHeight) {
w->height = minHeight;
window_invalidate(w);
}
if (w->width > maxWidth) {
w->width = maxWidth;
window_invalidate(w);
}
if (w->height > maxHeight) {
w->height = maxHeight;
window_invalidate(w);
}
}
/**
*
* rct2: 0x006EE212
*
* @param tool (al)
* @param widgetIndex (dx)
* @param w (esi)
*/
int tool_set(rct_window *w, int widgetIndex, int tool)
{
if (RCT2_GLOBAL(0x009DE518, uint32) & (1 << 3)) {
if (
w->classification == RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWCLASS, rct_windowclass) &&
w->number == RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWNUMBER, rct_windownumber) &&
widgetIndex == RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WIDGETINDEX, uint16)
) {
tool_cancel();
return 1;
}
}
RCT2_GLOBAL(0x009DE518, uint32) |= (1 << 3);
RCT2_GLOBAL(0x009DE518, uint32) &= ~(1 << 6);
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TOOL, uint8) = tool;
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWCLASS, rct_windowclass) = w->classification;
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWNUMBER, rct_windownumber) = w->number;
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WIDGETINDEX, uint16) = widgetIndex;
return 0;
}
/**
*
* rct2: 0x006EE281
*/
void tool_cancel()
{
rct_window *w;
if (RCT2_GLOBAL(0x009DE518, uint32) & (1 << 3)) {
RCT2_GLOBAL(0x009DE518, uint32) &= ~(1 << 3);
//
RCT2_CALLPROC_EBPSAFE(0x0068AAE1);
RCT2_CALLPROC_EBPSAFE(0x0068AB1B);
// Reset map selection
RCT2_GLOBAL(RCT2_ADDRESS_MAP_SELECTION_FLAGS, uint16) = 0;
if (RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WIDGETINDEX, sint16) >= 0) {
// Invalidate tool widget
widget_invalidate(
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWCLASS, rct_windowclass),
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWNUMBER, rct_windownumber),
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WIDGETINDEX, uint16)
);
// Abort tool event
w = window_find_by_id(
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWCLASS, rct_windowclass),
RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWNUMBER, rct_windownumber)
);
if (w != NULL)
RCT2_CALLPROC_X(w->event_handlers[WE_TOOL_ABORT], 0, 0, 0, RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WIDGETINDEX, uint16), (int)w, 0, 0);
}
}
}
/**
*
* rct2: 0x0068F083
*/
void window_guest_list_init_vars_a()
{
RCT2_GLOBAL(0x013B0E6C, uint32) = 1;
RCT2_GLOBAL(0x00F1AF1C, uint32) = 0xFFFFFFFF;
RCT2_GLOBAL(0x00F1EE02, uint32) = 0xFFFFFFFF;
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_GUEST_LIST_SELECTED_FILTER, uint8) = 0xFF;
}
/**
*
* rct2: 0x0068F050
*/
void window_guest_list_init_vars_b()
{
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_GUEST_LIST_SELECTED_TAB, uint8) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_GUEST_LIST_SELECTED_VIEW, uint8) = 0;
RCT2_GLOBAL(0x00F1AF1C, uint32) = 0xFFFFFFFF;
RCT2_GLOBAL(0x00F1EE02, uint32) = 0xFFFFFFFF;
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_GUEST_LIST_SELECTED_FILTER, uint8) = 0xFF;
RCT2_GLOBAL(0x00F1AF20, uint16) = 0;
}
/**
* Wrapper for window events so C functions can call them
*/
void window_event_helper(rct_window* w, short widgetIndex, WINDOW_EVENTS event)
{
RCT2_CALLPROC_X(w->event_handlers[event], 0, 0, 0, widgetIndex, (int)w, 0, 0);
}
/**
* rct2: New function not from rct2
* Bubbles an item one position up in the window list.
* This is done by swapping the two locations.
*/
void window_bubble_list_item(rct_window* w, int 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: 0x0066B905
*/
void window_resize_gui(int width, int height)
{
if (RCT2_GLOBAL(0x9DEA68, uint8) & 0xE){
window_resize_gui_scenario_editor(width, height);
return;
}
rct_window* mainWind = window_get_main();
if (mainWind){
rct_viewport* viewport = mainWind->viewport;
mainWind->width = width;
mainWind->height = height;
RCT2_GLOBAL(0x9A9418, uint16) = width - 1;
RCT2_GLOBAL(0x9A941C, uint16) = height - 1;
viewport->width = width;
viewport->height = height;
viewport->view_width = width << viewport->zoom;
viewport->view_height = height << viewport->zoom;
if (mainWind->widgets != NULL && mainWind->widgets[0].type == WWT_VIEWPORT){
mainWind->widgets[0].right = width;
mainWind->widgets[0].bottom = height;
}
}
rct_window* topWind = window_find_by_id(WC_TOP_TOOLBAR, 0);
if (topWind){
topWind->width = max(640, width);
}
rct_window* bottomWind = window_find_by_id(WC_BOTTOM_TOOLBAR, 0);
if (bottomWind){
bottomWind->y = height - 32;
bottomWind->width = max(640, width);
RCT2_GLOBAL(0x9A95D0, uint16) = width - 1;
RCT2_GLOBAL(0x9A95E0, uint16) = width - 3;
RCT2_GLOBAL(0x9A95DE, uint16) = width - 118;
RCT2_GLOBAL(0x9A95CE, uint16) = width - 120;
RCT2_GLOBAL(0x9A9590, uint16) = width - 121;
RCT2_GLOBAL(0x9A95A0, uint16) = width - 123;
RCT2_GLOBAL(0x9A95C0, uint16) = width - 126;
RCT2_GLOBAL(0x9A95BE, uint16) = width - 149;
RCT2_GLOBAL(0x9A95EE, uint16) = width - 118;
RCT2_GLOBAL(0x9A95F0, uint16) = width - 3;
}
rct_window* titleWind = window_find_by_id(WC_TITLE_MENU, 0);
if (titleWind){
titleWind->x = width / 2 - 164;
titleWind->y = height - 142;
}
rct_window* exitWind = window_find_by_id(WC_TITLE_EXIT, 0);
if (exitWind){
exitWind->x = width - 40;
exitWind->y = height - 64;
}
}
/**
* rct2: 0x0066F0DD
*/
void window_resize_gui_scenario_editor(int width, int height)
{
rct_window* mainWind = window_get_main();
if (mainWind) {
rct_viewport* viewport = mainWind->viewport;
mainWind->width = width;
mainWind->height = height;
RCT2_GLOBAL(0x9A9834, uint16) = width - 1;
RCT2_GLOBAL(0x9A9838, uint16) = height - 1;
viewport->width = width;
viewport->height = height;
viewport->view_width = width << viewport->zoom;
viewport->view_height = height << viewport->zoom;
if (mainWind->widgets != NULL && mainWind->widgets[0].type == WWT_VIEWPORT){
mainWind->widgets[0].right = width;
mainWind->widgets[0].bottom = height;
}
}
rct_window* topWind = window_find_by_id(WC_TOP_TOOLBAR, 0);
if (topWind){
topWind->width = max(640, width);
}
rct_window* bottomWind = window_find_by_id(WC_BOTTOM_TOOLBAR, 0);
if (bottomWind){
bottomWind->y = height - 32;
bottomWind->width = max(640, width);
RCT2_GLOBAL(0x9A997C, uint16) = bottomWind->width - 1;
RCT2_GLOBAL(0x9A997A, uint16) = bottomWind->width - 200;
RCT2_GLOBAL(0x9A998A, uint16) = bottomWind->width - 198;
RCT2_GLOBAL(0x9A998C, uint16) = bottomWind->width - 3;
}
}
void RCT2_CALLPROC_WE_MOUSE_DOWN(int address, int widgetIndex, rct_window*w, rct_widget* widget )
{
#ifdef _MSC_VER
__asm {
push address
push widget
push w
push widgetIndex
mov edi, widget
mov edx, widgetIndex
mov esi, w
call[esp + 12]
add esp, 16
}
#else
__asm__("\
push %[address]\n\
mov edi, %[widget] \n\
mov eax, %[w] \n\
mov edx, %[widgetIndex] \n\
push edi \n\
push eax \n\
push edx \n\
mov esi, %[w] \n\
call [esp+12] \n\
add esp, 16 \n\
" :[address] "+m" (address), [w] "+m" (w), [widget] "+m" (widget), [widgetIndex] "+m" (widgetIndex): : "eax", "esi", "edx", "edi"
);
#endif
}
/* Based on rct2: 0x6987ED and another version from window_park */
void window_align_tabs( rct_window *w, uint8 start_tab_id, uint8 end_tab_id )
{
int x = w->widgets[start_tab_id].left;
int tab_width = w->widgets[start_tab_id].right - w->widgets[start_tab_id].left;
for (int 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;
}
}
}
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