OpenRCT2/src/windows/dropdown.c

439 lines
13 KiB
C

/*****************************************************************************
* Copyright (c) 2014 Ted John
* 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 "../addresses.h"
#include "../input.h"
#include "../interface/widget.h"
#include "../interface/window.h"
#include "../localisation/localisation.h"
#include "../scenario.h"
#include "../sprites.h"
#include "dropdown.h"
int gAppropriateImageDropdownItemsPerRow[] = {
1, 1, 1, 1, 2, 2, 3, 3, 4,
3, 5, 4, 4, 5, 5, 5, 4, 5,
6, 5, 5, 7, 4, 5, 6, 5, 6,
6, 6, 6, 6, 8, 8, 0
};
enum {
WIDX_BACKGROUND,
};
static rct_widget window_dropdown_widgets[] = {
{ WWT_IMGBTN, 0, 0, 0, 0, 0, -1, STR_NONE },
{ WIDGETS_END },
};
int _dropdown_num_columns;
int _dropdown_num_rows;
int _dropdown_item_width;
int _dropdown_item_height;
int _dropdown_highlighted_index;
int gDropdownNumItems;
uint16 gDropdownItemsFormat[64];
sint64 gDropdownItemsArgs[64];
// Replaces 0x009DED38
uint32 gDropdownItemsChecked;
static void window_dropdown_emptysub() { }
static void window_dropdown_paint();
static void* window_dropdown_events[] = {
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_emptysub,
window_dropdown_paint,
window_dropdown_emptysub
};
/**
* Shows a text dropdown menu.
* rct2: 0x006ECFB9
*
* @param x (cx)
* @param y (dx)
* @param extray (di)
* @param flags (bh)
* @param num_items (bx)
* @param colour (al)
*/
void window_dropdown_show_text(int x, int y, int extray, uint8 colour, uint8 flags, int num_items)
{
int i, string_width, max_string_width;
char buffer[256];
// Calculate the longest string width
max_string_width = 0;
for (i = 0; i < num_items; i++) {
format_string(buffer, gDropdownItemsFormat[i], (void*)(&gDropdownItemsArgs[i]));
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, sint16) = 224;
string_width = gfx_get_string_width(buffer);
max_string_width = max(string_width, max_string_width);
}
window_dropdown_show_text_custom_width(x, y, extray, colour, flags, num_items, max_string_width + 3);
}
/**
* Shows a text dropdown menu.
* rct2: 0x006ECFB9, although 0x006ECE50 is real version
*
* @param x (cx)
* @param y (dx)
* @param extray (di)
* @param flags (bh)
* @param num_items (bx)
* @param colour (al)
*/
void window_dropdown_show_text_custom_width(int x, int y, int extray, uint8 colour, uint8 flags, int num_items, int width)
{
rct_window* w;
// Copy the formats and arguments until all use of it is decompiled
memcpy((void*)0x009DEBA4, gDropdownItemsFormat, 40 * 2);
memcpy((void*)0x009DEBF4, gDropdownItemsArgs, 40 * 8);
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~(INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP);
if (flags & DROPDOWN_FLAG_STAY_OPEN)
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= INPUT_FLAG_DROPDOWN_STAY_OPEN;
window_dropdown_close();
_dropdown_num_columns = 1;
_dropdown_item_width = width;
_dropdown_item_height = 10;
if (flags & 0x40)
_dropdown_item_height = flags & 0x3F;
// Set the widgets
gDropdownNumItems = num_items;
_dropdown_num_rows = num_items;
width = _dropdown_item_width * _dropdown_num_columns + 3;
int height = _dropdown_item_height * _dropdown_num_rows + 3;
if (x + width > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16))
x = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) - width);
if (y + height > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16))
y = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) - height);
window_dropdown_widgets[WIDX_BACKGROUND].bottom = _dropdown_item_height * num_items + 3;
window_dropdown_widgets[WIDX_BACKGROUND].right = _dropdown_item_width + 3;
// Create the window
w = window_create(
x, y + extray,
window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
(uint32*)window_dropdown_events,
WC_DROPDOWN,
0x02
);
w->widgets = window_dropdown_widgets;
if (colour & 0x80)
w->flags |= WF_TRANSPARENT;
w->colours[0] = colour;
// Input state
_dropdown_highlighted_index = -1;
RCT2_GLOBAL(0x009DED34, sint32) = 0;
gDropdownItemsChecked = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, sint8) = INPUT_STATE_DROPDOWN_ACTIVE;
// Copy the following properties until all use of it is decompiled
RCT2_GLOBAL(0x009DEBA0, sint16) = gDropdownNumItems;
RCT2_GLOBAL(0x009DED44, sint32) = _dropdown_num_columns;
RCT2_GLOBAL(0x009DED48, sint32) = _dropdown_num_rows;
RCT2_GLOBAL(0x009DED40, sint32) = _dropdown_item_width;
RCT2_GLOBAL(0x009DED3C, sint32) = _dropdown_item_height;
RCT2_GLOBAL(0x009DEBA2, sint16) = _dropdown_highlighted_index;
}
/**
* Shows an image dropdown menu.
* rct2: 0x006ECFB9
*
* @param x (cx)
* @param y (dx)
* @param extray (di)
* @param flags (bh)
* @param numItems (bx)
* @param colour (al)
* @param itemWidth (bp)
* @param itemHeight (ah)
* @param numColumns (bl)
*/
void window_dropdown_show_image(int x, int y, int extray, uint8 colour, uint8 flags, int numItems, int itemWidth, int itemHeight, int numColumns)
{
int width, height;
rct_window* w;
// Copy the formats and arguments until all use of it is decompiled
memcpy((void*)0x009DEBA4, gDropdownItemsFormat, 40 * 2);
memcpy((void*)0x009DEBF4, gDropdownItemsArgs, 40 * 8);
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~(INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP);
if (flags & DROPDOWN_FLAG_STAY_OPEN)
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= INPUT_FLAG_DROPDOWN_STAY_OPEN;
// Close existing dropdown
window_dropdown_close();
// Set and calculate num items, rows and columns
_dropdown_item_width = itemWidth;
_dropdown_item_height = itemHeight;
gDropdownNumItems = numItems;
_dropdown_num_columns = numColumns;
_dropdown_num_rows = gDropdownNumItems / _dropdown_num_columns;
if (gDropdownNumItems % _dropdown_num_columns != 0)
_dropdown_num_rows++;
// Calculate position and size
width = _dropdown_item_width * _dropdown_num_columns + 3;
height = _dropdown_item_height * _dropdown_num_rows + 3;
if (x + width > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16))
x = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) - width);
if (y + height > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16))
y = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) - height);
window_dropdown_widgets[WIDX_BACKGROUND].right = width;
window_dropdown_widgets[WIDX_BACKGROUND].bottom = height;
// Create the window
w = window_create(
x, y + extray,
window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
(uint32*)window_dropdown_events,
WC_DROPDOWN,
WF_STICK_TO_FRONT
);
w->widgets = window_dropdown_widgets;
if (colour & 0x80)
w->flags |= WF_TRANSPARENT;
w->colours[0] = colour;
// Input state
_dropdown_highlighted_index = -1;
RCT2_GLOBAL(0x009DED34, sint32) = 0;
gDropdownItemsChecked = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, sint8) = INPUT_STATE_DROPDOWN_ACTIVE;
// Copy the following properties until all use of it is decompiled
RCT2_GLOBAL(0x009DEBA0, sint16) = gDropdownNumItems;
RCT2_GLOBAL(0x009DED44, sint32) = _dropdown_num_columns;
RCT2_GLOBAL(0x009DED48, sint32) = _dropdown_num_rows;
RCT2_GLOBAL(0x009DED40, sint32) = _dropdown_item_width;
RCT2_GLOBAL(0x009DED3C, sint32) = _dropdown_item_height;
RCT2_GLOBAL(0x009DEBA2, sint16) = _dropdown_highlighted_index;
}
void window_dropdown_close()
{
window_close_by_class(WC_DROPDOWN);
}
static void window_dropdown_paint()
{
rct_window *w;
rct_drawpixelinfo *dpi;
window_paint_get_registers(w, dpi);
window_draw_widgets(w, dpi);
_dropdown_highlighted_index = RCT2_GLOBAL(0x009DEBA2, sint16);
{
int i, cell_x, cell_y, l, t, r, b, item, image, colour;
for (i = 0; i < gDropdownNumItems; i++) {
cell_x = i % _dropdown_num_columns;
cell_y = i / _dropdown_num_columns;
if (gDropdownItemsFormat[i] == DROPDOWN_SEPARATOR) {
l = w->x + 2 + (cell_x * _dropdown_item_width);
t = w->y + 2 + (cell_y * _dropdown_item_height);
r = l + _dropdown_item_width - 1;
t += (_dropdown_item_height / 2);
b = t;
if (w->colours[0] & 0x80) {
gfx_fill_rect(dpi, l, t, r, b, (RCT2_ADDRESS(0x009DEDF4, uint8)[w->colours[0]] | 0x02000000) + 1);
gfx_fill_rect(dpi, l, t + 1, r, b + 1, (RCT2_ADDRESS(0x009DEDF4, uint8)[w->colours[0]] | 0x02000000) + 2);
} else {
gfx_fill_rect(dpi, l, t, r, b,
*((char*)(0x00141FC47 + (w->colours[0] * 8))));
gfx_fill_rect(dpi, l, t + 1, r, b + 1,
*((char*)(0x00141FC4B + (w->colours[0] * 8))));
}
} else {
//
if (i == _dropdown_highlighted_index) {
l = w->x + 2 + (cell_x * _dropdown_item_width);
t = w->y + 2 + (cell_y * _dropdown_item_height);
r = l + _dropdown_item_width - 1;
b = t + _dropdown_item_height - 1;
gfx_fill_rect(dpi, l, t, r, b, 0x2000000 | 0x2F);
}
item = gDropdownItemsFormat[i];
if (item == (uint16)-1 || item == (uint16)-2) {
// Image item
image = *((uint32*)&gDropdownItemsArgs[i]);
if (item == (uint16)-2 && _dropdown_highlighted_index == i)
image++;
gfx_draw_sprite(
dpi,
image,
w->x + 2 + (cell_x * _dropdown_item_width),
w->y + 2 + (cell_y * _dropdown_item_height), 0
);
} else {
// Text item
if (i < 32)
if (gDropdownItemsChecked & (1 << i))
item++;
// Calculate colour
colour = w->colours[0] & 0x7F;
if (i == _dropdown_highlighted_index)
colour = 2;
if (RCT2_GLOBAL(0x009DED34, uint32) & (1 << i))
if (i < 32)
colour = (w->colours[0] & 0x7F) | 0x40;
// Draw item string
gfx_draw_string_left_clipped(
dpi,
item,
(void*)(&gDropdownItemsArgs[i]), colour,
w->x + 2 + (cell_x * _dropdown_item_width),
w->y + 1 + (cell_y * _dropdown_item_height),
w->width - 5
);
}
}
}
}
}
/* New function based on 6e914e
* returns -1 if index is invalid
*/
int dropdown_index_from_point(int x, int y, rct_window* w){
int top = y - w->y - 2;
if (top < 0) return -1;
int left = x - w->x;
if (left >= w->width) return -1;
left -= 2;
if (left < 0) return -1;
// _dropdown_item_width
int column_no = left / RCT2_GLOBAL(0x009DED40, sint32);
// _dropdown_no_columns
if (column_no >= RCT2_GLOBAL(0x009DED44, sint32)) return -1;
// _dropdown_item_height
int row_no = top / RCT2_GLOBAL(0x9DED3C, uint8);
// _dropdown_no_rows
if (row_no >= RCT2_GLOBAL(0x009DED48, sint32)) return -1;
// _dropdown_no_columns
int dropdown_index = row_no * RCT2_GLOBAL(0x009DED44, sint32) + column_no;
// _dropdown_no_items
if (dropdown_index >= RCT2_GLOBAL(0x009DEBA0, sint16)) return -1;
return dropdown_index;
}
void window_dropdown_show_colour(rct_window *w, rct_widget *widget, uint8 dropdownColour, uint8 selectedColour)
{
window_dropdown_show_colour_available(w, widget, dropdownColour, selectedColour, 0xFFFFFFFF);
}
/**
* rct2: 0x006ED43D
* al: dropdown colour
* ah: selected colour
* esi: window
* edi: widget
* ebp: unknown
*/
void window_dropdown_show_colour_available(rct_window *w, rct_widget *widget, uint8 dropdownColour, uint8 selectedColour,
uint32 availableColours)
{
int i, numItems;
// Count number of available colours
numItems = 0;
for (i = 0; i < 32; i++)
if (availableColours & (1 << i))
numItems++;
// Set items
for (i = 0; i < 32; i++) {
if (availableColours & (1 << i)) {
if (selectedColour == i)
RCT2_GLOBAL(0x009DEBA2, sint16) = i;
gDropdownItemsFormat[i] = 0xFFFE;
gDropdownItemsArgs[i] = ((uint64)i << 32) | (0x20000000 | (i << 19) | 5059);
}
}
// Show dropdown
window_dropdown_show_image(
w->x + widget->left,
w->y + widget->top,
widget->bottom - widget->top + 1,
dropdownColour,
DROPDOWN_FLAG_STAY_OPEN,
numItems,
12,
12,
gAppropriateImageDropdownItemsPerRow[numItems]
);
}