mirror of https://github.com/OpenRCT2/OpenRCT2.git
439 lines
13 KiB
C
439 lines
13 KiB
C
/*****************************************************************************
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* Copyright (c) 2014 Ted John
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* This file is part of OpenRCT2.
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*****************************************************************************/
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#include "../addresses.h"
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#include "../input.h"
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#include "../interface/widget.h"
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#include "../interface/window.h"
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#include "../localisation/localisation.h"
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#include "../scenario.h"
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#include "../sprites.h"
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#include "dropdown.h"
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int gAppropriateImageDropdownItemsPerRow[] = {
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1, 1, 1, 1, 2, 2, 3, 3, 4,
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3, 5, 4, 4, 5, 5, 5, 4, 5,
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6, 5, 5, 7, 4, 5, 6, 5, 6,
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6, 6, 6, 6, 8, 8, 0
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};
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enum {
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WIDX_BACKGROUND,
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};
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static rct_widget window_dropdown_widgets[] = {
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{ WWT_IMGBTN, 0, 0, 0, 0, 0, -1, STR_NONE },
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{ WIDGETS_END },
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};
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int _dropdown_num_columns;
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int _dropdown_num_rows;
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int _dropdown_item_width;
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int _dropdown_item_height;
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int _dropdown_highlighted_index;
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int gDropdownNumItems;
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uint16 gDropdownItemsFormat[64];
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sint64 gDropdownItemsArgs[64];
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// Replaces 0x009DED38
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uint32 gDropdownItemsChecked;
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static void window_dropdown_emptysub() { }
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static void window_dropdown_paint();
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static void* window_dropdown_events[] = {
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_emptysub,
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window_dropdown_paint,
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window_dropdown_emptysub
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};
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/**
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* Shows a text dropdown menu.
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* rct2: 0x006ECFB9
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param num_items (bx)
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* @param colour (al)
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*/
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void window_dropdown_show_text(int x, int y, int extray, uint8 colour, uint8 flags, int num_items)
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{
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int i, string_width, max_string_width;
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char buffer[256];
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// Calculate the longest string width
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max_string_width = 0;
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for (i = 0; i < num_items; i++) {
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format_string(buffer, gDropdownItemsFormat[i], (void*)(&gDropdownItemsArgs[i]));
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, sint16) = 224;
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string_width = gfx_get_string_width(buffer);
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max_string_width = max(string_width, max_string_width);
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}
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window_dropdown_show_text_custom_width(x, y, extray, colour, flags, num_items, max_string_width + 3);
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}
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/**
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* Shows a text dropdown menu.
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* rct2: 0x006ECFB9, although 0x006ECE50 is real version
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param num_items (bx)
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* @param colour (al)
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*/
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void window_dropdown_show_text_custom_width(int x, int y, int extray, uint8 colour, uint8 flags, int num_items, int width)
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{
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rct_window* w;
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// Copy the formats and arguments until all use of it is decompiled
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memcpy((void*)0x009DEBA4, gDropdownItemsFormat, 40 * 2);
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memcpy((void*)0x009DEBF4, gDropdownItemsArgs, 40 * 8);
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~(INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP);
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if (flags & DROPDOWN_FLAG_STAY_OPEN)
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= INPUT_FLAG_DROPDOWN_STAY_OPEN;
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window_dropdown_close();
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_dropdown_num_columns = 1;
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_dropdown_item_width = width;
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_dropdown_item_height = 10;
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if (flags & 0x40)
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_dropdown_item_height = flags & 0x3F;
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// Set the widgets
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gDropdownNumItems = num_items;
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_dropdown_num_rows = num_items;
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width = _dropdown_item_width * _dropdown_num_columns + 3;
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int height = _dropdown_item_height * _dropdown_num_rows + 3;
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if (x + width > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16))
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x = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) - width);
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if (y + height > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16))
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y = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) - height);
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window_dropdown_widgets[WIDX_BACKGROUND].bottom = _dropdown_item_height * num_items + 3;
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window_dropdown_widgets[WIDX_BACKGROUND].right = _dropdown_item_width + 3;
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// Create the window
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w = window_create(
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x, y + extray,
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window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
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window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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(uint32*)window_dropdown_events,
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WC_DROPDOWN,
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0x02
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);
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w->widgets = window_dropdown_widgets;
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if (colour & 0x80)
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w->flags |= WF_TRANSPARENT;
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w->colours[0] = colour;
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// Input state
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_dropdown_highlighted_index = -1;
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RCT2_GLOBAL(0x009DED34, sint32) = 0;
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gDropdownItemsChecked = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, sint8) = INPUT_STATE_DROPDOWN_ACTIVE;
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// Copy the following properties until all use of it is decompiled
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RCT2_GLOBAL(0x009DEBA0, sint16) = gDropdownNumItems;
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RCT2_GLOBAL(0x009DED44, sint32) = _dropdown_num_columns;
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RCT2_GLOBAL(0x009DED48, sint32) = _dropdown_num_rows;
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RCT2_GLOBAL(0x009DED40, sint32) = _dropdown_item_width;
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RCT2_GLOBAL(0x009DED3C, sint32) = _dropdown_item_height;
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RCT2_GLOBAL(0x009DEBA2, sint16) = _dropdown_highlighted_index;
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}
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/**
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* Shows an image dropdown menu.
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* rct2: 0x006ECFB9
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param numItems (bx)
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* @param colour (al)
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* @param itemWidth (bp)
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* @param itemHeight (ah)
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* @param numColumns (bl)
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*/
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void window_dropdown_show_image(int x, int y, int extray, uint8 colour, uint8 flags, int numItems, int itemWidth, int itemHeight, int numColumns)
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{
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int width, height;
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rct_window* w;
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// Copy the formats and arguments until all use of it is decompiled
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memcpy((void*)0x009DEBA4, gDropdownItemsFormat, 40 * 2);
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memcpy((void*)0x009DEBF4, gDropdownItemsArgs, 40 * 8);
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~(INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP);
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if (flags & DROPDOWN_FLAG_STAY_OPEN)
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= INPUT_FLAG_DROPDOWN_STAY_OPEN;
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// Close existing dropdown
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window_dropdown_close();
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// Set and calculate num items, rows and columns
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_dropdown_item_width = itemWidth;
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_dropdown_item_height = itemHeight;
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gDropdownNumItems = numItems;
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_dropdown_num_columns = numColumns;
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_dropdown_num_rows = gDropdownNumItems / _dropdown_num_columns;
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if (gDropdownNumItems % _dropdown_num_columns != 0)
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_dropdown_num_rows++;
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// Calculate position and size
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width = _dropdown_item_width * _dropdown_num_columns + 3;
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height = _dropdown_item_height * _dropdown_num_rows + 3;
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if (x + width > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16))
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x = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) - width);
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if (y + height > RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16))
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y = max(0, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) - height);
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window_dropdown_widgets[WIDX_BACKGROUND].right = width;
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window_dropdown_widgets[WIDX_BACKGROUND].bottom = height;
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// Create the window
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w = window_create(
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x, y + extray,
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window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
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window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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(uint32*)window_dropdown_events,
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WC_DROPDOWN,
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WF_STICK_TO_FRONT
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);
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w->widgets = window_dropdown_widgets;
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if (colour & 0x80)
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w->flags |= WF_TRANSPARENT;
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w->colours[0] = colour;
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// Input state
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_dropdown_highlighted_index = -1;
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RCT2_GLOBAL(0x009DED34, sint32) = 0;
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gDropdownItemsChecked = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, sint8) = INPUT_STATE_DROPDOWN_ACTIVE;
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// Copy the following properties until all use of it is decompiled
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RCT2_GLOBAL(0x009DEBA0, sint16) = gDropdownNumItems;
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RCT2_GLOBAL(0x009DED44, sint32) = _dropdown_num_columns;
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RCT2_GLOBAL(0x009DED48, sint32) = _dropdown_num_rows;
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RCT2_GLOBAL(0x009DED40, sint32) = _dropdown_item_width;
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RCT2_GLOBAL(0x009DED3C, sint32) = _dropdown_item_height;
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RCT2_GLOBAL(0x009DEBA2, sint16) = _dropdown_highlighted_index;
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}
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void window_dropdown_close()
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{
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window_close_by_class(WC_DROPDOWN);
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}
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static void window_dropdown_paint()
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{
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rct_window *w;
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rct_drawpixelinfo *dpi;
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window_paint_get_registers(w, dpi);
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window_draw_widgets(w, dpi);
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_dropdown_highlighted_index = RCT2_GLOBAL(0x009DEBA2, sint16);
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{
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int i, cell_x, cell_y, l, t, r, b, item, image, colour;
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for (i = 0; i < gDropdownNumItems; i++) {
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cell_x = i % _dropdown_num_columns;
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cell_y = i / _dropdown_num_columns;
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if (gDropdownItemsFormat[i] == DROPDOWN_SEPARATOR) {
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l = w->x + 2 + (cell_x * _dropdown_item_width);
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t = w->y + 2 + (cell_y * _dropdown_item_height);
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r = l + _dropdown_item_width - 1;
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t += (_dropdown_item_height / 2);
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b = t;
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if (w->colours[0] & 0x80) {
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gfx_fill_rect(dpi, l, t, r, b, (RCT2_ADDRESS(0x009DEDF4, uint8)[w->colours[0]] | 0x02000000) + 1);
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gfx_fill_rect(dpi, l, t + 1, r, b + 1, (RCT2_ADDRESS(0x009DEDF4, uint8)[w->colours[0]] | 0x02000000) + 2);
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} else {
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gfx_fill_rect(dpi, l, t, r, b,
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*((char*)(0x00141FC47 + (w->colours[0] * 8))));
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gfx_fill_rect(dpi, l, t + 1, r, b + 1,
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*((char*)(0x00141FC4B + (w->colours[0] * 8))));
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}
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} else {
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//
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if (i == _dropdown_highlighted_index) {
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l = w->x + 2 + (cell_x * _dropdown_item_width);
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t = w->y + 2 + (cell_y * _dropdown_item_height);
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r = l + _dropdown_item_width - 1;
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b = t + _dropdown_item_height - 1;
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gfx_fill_rect(dpi, l, t, r, b, 0x2000000 | 0x2F);
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}
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item = gDropdownItemsFormat[i];
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if (item == (uint16)-1 || item == (uint16)-2) {
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// Image item
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image = *((uint32*)&gDropdownItemsArgs[i]);
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if (item == (uint16)-2 && _dropdown_highlighted_index == i)
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image++;
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gfx_draw_sprite(
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dpi,
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image,
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w->x + 2 + (cell_x * _dropdown_item_width),
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w->y + 2 + (cell_y * _dropdown_item_height), 0
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);
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} else {
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// Text item
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if (i < 32)
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if (gDropdownItemsChecked & (1 << i))
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item++;
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// Calculate colour
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colour = w->colours[0] & 0x7F;
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if (i == _dropdown_highlighted_index)
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colour = 2;
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if (RCT2_GLOBAL(0x009DED34, uint32) & (1 << i))
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if (i < 32)
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colour = (w->colours[0] & 0x7F) | 0x40;
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// Draw item string
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gfx_draw_string_left_clipped(
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dpi,
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item,
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(void*)(&gDropdownItemsArgs[i]), colour,
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w->x + 2 + (cell_x * _dropdown_item_width),
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w->y + 1 + (cell_y * _dropdown_item_height),
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w->width - 5
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);
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}
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}
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}
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}
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}
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/* New function based on 6e914e
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* returns -1 if index is invalid
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*/
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int dropdown_index_from_point(int x, int y, rct_window* w){
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int top = y - w->y - 2;
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if (top < 0) return -1;
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int left = x - w->x;
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if (left >= w->width) return -1;
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left -= 2;
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if (left < 0) return -1;
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// _dropdown_item_width
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int column_no = left / RCT2_GLOBAL(0x009DED40, sint32);
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// _dropdown_no_columns
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if (column_no >= RCT2_GLOBAL(0x009DED44, sint32)) return -1;
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// _dropdown_item_height
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int row_no = top / RCT2_GLOBAL(0x9DED3C, uint8);
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// _dropdown_no_rows
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if (row_no >= RCT2_GLOBAL(0x009DED48, sint32)) return -1;
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// _dropdown_no_columns
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int dropdown_index = row_no * RCT2_GLOBAL(0x009DED44, sint32) + column_no;
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// _dropdown_no_items
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if (dropdown_index >= RCT2_GLOBAL(0x009DEBA0, sint16)) return -1;
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return dropdown_index;
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}
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void window_dropdown_show_colour(rct_window *w, rct_widget *widget, uint8 dropdownColour, uint8 selectedColour)
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{
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window_dropdown_show_colour_available(w, widget, dropdownColour, selectedColour, 0xFFFFFFFF);
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}
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/**
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* rct2: 0x006ED43D
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* al: dropdown colour
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* ah: selected colour
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* esi: window
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* edi: widget
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* ebp: unknown
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*/
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void window_dropdown_show_colour_available(rct_window *w, rct_widget *widget, uint8 dropdownColour, uint8 selectedColour,
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uint32 availableColours)
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{
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int i, numItems;
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// Count number of available colours
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numItems = 0;
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for (i = 0; i < 32; i++)
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if (availableColours & (1 << i))
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numItems++;
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// Set items
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for (i = 0; i < 32; i++) {
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if (availableColours & (1 << i)) {
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if (selectedColour == i)
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RCT2_GLOBAL(0x009DEBA2, sint16) = i;
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gDropdownItemsFormat[i] = 0xFFFE;
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gDropdownItemsArgs[i] = ((uint64)i << 32) | (0x20000000 | (i << 19) | 5059);
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}
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}
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// Show dropdown
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window_dropdown_show_image(
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w->x + widget->left,
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w->y + widget->top,
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widget->bottom - widget->top + 1,
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dropdownColour,
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DROPDOWN_FLAG_STAY_OPEN,
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numItems,
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12,
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12,
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gAppropriateImageDropdownItemsPerRow[numItems]
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);
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}
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