mirror of https://github.com/OpenRCT2/OpenRCT2.git
246 lines
6.5 KiB
C
246 lines
6.5 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 "audio.h"
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#include "news_item.h"
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#include "rct2.h"
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#include "ride.h"
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#include "sprite.h"
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#include "window.h"
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void window_game_bottom_toolbar_invalidate_news_item();
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static int news_item_get_new_history_slot();
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/**
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*
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* rct2: 0x0066DF32
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*/
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void news_item_init_queue()
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{
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int i;
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rct_news_item *newsItems = RCT2_ADDRESS(RCT2_ADDRESS_NEWS_ITEM_LIST, rct_news_item);
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newsItems[0].type = NEWS_ITEM_NULL;
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newsItems[11].type = NEWS_ITEM_NULL;
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for (i = 0; i < 16; i++)
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RCT2_ADDRESS(0x01358750, uint8)[i] = 0;
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window_game_bottom_toolbar_invalidate_news_item();
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}
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/**
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*
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* rct2: 0x0066E252
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*/
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void news_item_update_current()
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{
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short ax, bx, remove_time;
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rct_news_item *newsItems = RCT2_ADDRESS(RCT2_ADDRESS_NEWS_ITEM_LIST, rct_news_item);
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get_system_time();
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ax = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_DAY, sint16);
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bx = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_MONTH, sint16);
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if (bx != RCT2_GLOBAL(0x009DEA6B, sint16)) {
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bx--;
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if (bx == 0)
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bx = 12;
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if (bx != RCT2_GLOBAL(0x009DEA6B, sint16) || ax == 1) {
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// loc_66E2AE
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RCT2_GLOBAL(0x013573DC, sint32) = 10000;
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if (RCT2_GLOBAL(0x013573DC, sint32) >= 0)
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RCT2_GLOBAL(0x013573DC, sint32) = -RCT2_GLOBAL(0x013573DC, sint32);
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}
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} else {
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if (ax != RCT2_GLOBAL(0x009DEA69, sint16)) {
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ax--;
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if (ax != RCT2_GLOBAL(0x009DEA69, sint16)) {
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// loc_66E2AE
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RCT2_GLOBAL(0x013573DC, sint32) = 10000;
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if (RCT2_GLOBAL(0x013573DC, sint32) >= 0)
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RCT2_GLOBAL(0x013573DC, sint32) = -RCT2_GLOBAL(0x013573DC, sint32);
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}
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}
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}
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RCT2_GLOBAL(0x009DEA69, sint16) = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_DAY, sint16);
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RCT2_GLOBAL(0x009DEA6B, sint16) = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_MONTH, sint16);
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// Check if there is a current news item
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if (newsItems[0].type == 0)
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return;
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window_game_bottom_toolbar_invalidate_news_item();
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// Update the current news item
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newsItems[0].ticks++;
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if (newsItems[0].ticks == 1 && !(RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 1)) {
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// Play sound
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sound_play_panned(39, RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) / 2);
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}
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// Removal of current news item
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remove_time = 320;
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if (newsItems[2].type != 0 &&
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newsItems[3].type != 0 &&
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newsItems[4].type != 0 &&
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newsItems[5].type != 0)
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remove_time = 256;
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if (newsItems[0].ticks >= remove_time)
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news_item_close_current();
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}
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/**
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*
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* rct2: 0x0066E377
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*/
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void news_item_close_current()
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{
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int i;
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rct_news_item *newsItems = RCT2_ADDRESS(RCT2_ADDRESS_NEWS_ITEM_LIST, rct_news_item);
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// Check if there is a current message
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if (newsItems[0].type == NEWS_ITEM_NULL)
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return;
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// Find an available history news item slot for current message
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i = news_item_get_new_history_slot();
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// Set the history news item slot to the current news item
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newsItems[i] = newsItems[0];
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// Set the end of the end of the history list
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if (i < 60)
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newsItems[i + 1].type = NEWS_ITEM_NULL;
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// Invalidate the news window
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window_invalidate_by_id(WC_RECENT_NEWS, 0);
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// Dequeue the current news item, shift news up
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for (i = 0; i < 10; i++)
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newsItems[i] = newsItems[i + 1];
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newsItems[10].type = NEWS_ITEM_NULL;
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// Invalidate current news item bar
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window_game_bottom_toolbar_invalidate_news_item();
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}
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/**
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* Finds a spare history slot or replaces an existing one if there are no spare
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* slots available.
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*/
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static int news_item_get_new_history_slot()
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{
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int i;
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rct_news_item *newsItems = RCT2_ADDRESS(RCT2_ADDRESS_NEWS_ITEM_LIST, rct_news_item);
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// Find an available history news item slot
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for (i = 11; i < 61; i++)
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if (newsItems[i].type == NEWS_ITEM_NULL)
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return i;
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// Dequeue the first history news item, shift history up
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for (i = 11; i < 60; i++)
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newsItems[i] = newsItems[i + 1];
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return 60;
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}
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/**
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* Get the (x,y,z) coordinates of the subject of a news item.
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* If the new item is no longer valid, return 0x8000 in the x-coordinate
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*
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* rct2: 0x0066BA74
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*/
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void news_item_get_subject_location(int type, int subject, int *x, int *y, int *z)
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{
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int i;
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rct_ride *ride;
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rct_sprite *sprite, *sprite_2;
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switch (type) {
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case NEWS_ITEM_RIDE:
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ride = &(RCT2_ADDRESS(RCT2_ADDRESS_RIDE_LIST, rct_ride)[subject]);
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if (ride->var_050 == 0xFFFF) {
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*x = 0x8000;
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break;
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}
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{
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uint32 eax, ebx, ecx, edx, esi, edi, ebp;
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eax = (ride->var_050 & 0xFF) * 32 + 16;
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ecx = (ride->var_050 >> 8) * 32 + 16;
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RCT2_CALLFUNC_X(0x00662783, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
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if (edx & 0xFFFF0000)
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edx >>= 16;
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*x = eax;
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*y = ecx;
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*z = edx;
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}
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break;
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case NEWS_ITEM_PEEP_1:
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sprite = &(RCT2_ADDRESS(RCT2_ADDRESS_SPRITE_LIST, rct_sprite)[subject]);
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*x = sprite->unknown.x;
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*y = sprite->unknown.y;
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*z = sprite->unknown.z;
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if (*x != 0x8000)
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break;
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if (sprite->peep.state != 3 && sprite->peep.state != 7) {
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*x = 0x8000;
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break;
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}
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ride = &(RCT2_ADDRESS(RCT2_ADDRESS_RIDE_LIST, rct_ride)[sprite->peep.current_ride]);
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if (ride->var_1D0 & 1) {
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*x = 0x8000;
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break;
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}
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sprite_2 = &(RCT2_ADDRESS(RCT2_ADDRESS_SPRITE_LIST, rct_sprite)[ride->var_086[sprite->peep.var_6A]]);
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for (i = 0; i < sprite->peep.var_6B; i++)
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sprite_2 = &(RCT2_ADDRESS(RCT2_ADDRESS_SPRITE_LIST, rct_sprite)[*((uint16*)&sprite_2->pad_00[0x3E])]);
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*x = sprite_2->unknown.x;
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*y = sprite_2->unknown.y;
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*z = sprite_2->unknown.z;
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break;
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case NEWS_ITEM_PEEP_2:
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sprite = &(RCT2_ADDRESS(RCT2_ADDRESS_SPRITE_LIST, rct_sprite)[subject]);
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*x = sprite->unknown.x;
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*y = sprite->unknown.y;
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*z = sprite->unknown.z;
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break;
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case NEWS_ITEM_BLANK:
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{
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uint32 eax, ebx, ecx, edx, esi, edi, ebp;
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eax = subject;
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ecx = subject >> 16;
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RCT2_CALLFUNC_X(0x00662783, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
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*x = eax;
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*y = ecx;
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*z = edx;
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}
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break;
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default:
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*x = 0x8000;
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break;
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}
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}
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