mirror of https://github.com/OpenRCT2/OpenRCT2.git
620 lines
17 KiB
C
620 lines
17 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 <windows.h>
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#include "addresses.h"
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#include "award.h"
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#include "finance.h"
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#include "map.h"
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#include "marketing.h"
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#include "news_item.h"
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#include "park.h"
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#include "peep.h"
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#include "ride.h"
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#include "scenario.h"
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#include "sprite.h"
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#include "string_ids.h"
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#include "window.h"
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/**
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* In a difficult guest generation scenario, no guests will be generated if over this value.
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*/
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int _suggestedGuestMaximum;
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/**
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* Probability out of 65535, of gaining a new guest per game tick.
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* new guests per second = 40 * (probability / 65535)
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* With a full park rating, non-overpriced entrance fee, less guests than the suggested maximum and four positive awards,
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* approximately 1 guest per second can be generated (+60 guests in one minute).
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*/
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int _guestGenerationProbability;
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int park_is_open()
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{
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return (RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & PARK_FLAGS_PARK_OPEN) != 0;
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}
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/**
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*
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* rct2: 0x00667132
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*/
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void park_init()
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{
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int i;
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RCT2_GLOBAL(0x013CA740, uint8) = 0;
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RCT2_GLOBAL(0x013573D4, uint16) = 777;
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RCT2_GLOBAL(RCT2_ADDRESS_HANDYMAN_COLOUR, uint8) = 28;
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RCT2_GLOBAL(RCT2_ADDRESS_MECHANIC_COLOUR, uint8) = 28;
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RCT2_GLOBAL(RCT2_ADDRESS_SECURITY_COLOUR, uint8) = 28;
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RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16) = 0;
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RCT2_GLOBAL(0x01357BC8, uint16) = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_HEADING_FOR_PARK, uint16) = 0;
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RCT2_GLOBAL(0x013573FE, uint16) = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PARK_RATING, uint16) = 0;
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_guestGenerationProbability = 0;
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RCT2_GLOBAL(RCT2_TOTAL_RIDE_VALUE, uint16) = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_LAST_RESEARCHED_ITEM_SUBJECT, sint32) = -1;
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for (i = 0; i < 20; i++)
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RCT2_ADDRESS(0x01358102, uint8)[i] = 0;
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RCT2_GLOBAL(0x01358844, uint32) = 0xFFFFFFFF;
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RCT2_GLOBAL(0x01358849, uint32) = 0xFFFFFFFE;
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RCT2_GLOBAL(0x0135884E, uint32) = 0xFFFFFFFD;
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finance_init();
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for (i = 0; i < 2; i++)
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RCT2_ADDRESS(0x01357404, uint32)[i] = 0;
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for (i = 0; i < 56; i++)
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RCT2_ADDRESS(0x01357BD0, sint32)[i] = -1;
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RCT2_GLOBAL(RCT2_ADDRESS_PARK_ENTRANCE_FEE, money16) = MONEY(10, 00);
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RCT2_GLOBAL(RCT2_ADDRESS_PEEP_SPAWNS, sint16) = -1;
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RCT2_GLOBAL(0x013573F8, sint16) = -1;
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RCT2_GLOBAL(RCT2_ADDRESS_ACTIVE_RESEARCH_TYPES, uint16) = 127;
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_RESEARCH_LEVEL, uint8) = 2;
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RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_CASH, uint16) = MONEY(50,00); // Cash per guest (average)
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RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_HAPPINESS, uint8) = calculate_guest_initial_happiness(50); // 50%
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RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_HUNGER, uint8) = 200;
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RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_THIRST, uint8) = 200;
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RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_TYPE, uint8) = 1;
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RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_YEAR, uint8) = 4;
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RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_NUM_GUESTS, uint16) = 1000;
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RCT2_GLOBAL(RCT2_ADDRESS_LAND_COST, uint16) = MONEY(90, 00);
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RCT2_GLOBAL(RCT2_ADDRESS_CONSTRUCTION_RIGHTS_COST, uint16) = MONEY(40,00);
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RCT2_GLOBAL(0x01358774, uint16) = 0;
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RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) = PARK_FLAGS_NO_MONEY | PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
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park_reset_history();
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finance_reset_history();
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award_reset();
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rct_s6_info *info = (rct_s6_info*)0x0141F570;
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info->name[0] = '\0';
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format_string(info->details, STR_NO_DETAILS_YET, NULL);
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}
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/**
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*
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* rct2: 0x0066729F
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*/
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void park_reset_history()
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{
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int i;
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for (i = 0; i < 32; i++) {
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RCT2_ADDRESS(RCT2_ADDRESS_PARK_RATING_HISTORY, uint8)[i] = 255;
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RCT2_ADDRESS(RCT2_ADDRESS_GUESTS_IN_PARK_HISTORY, uint8)[i] = 255;
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}
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}
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/**
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*
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* rct2: 0x0066A348
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*/
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int park_calculate_size()
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{
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int tiles, x, y;
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rct_map_element *mapElement;
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tiles = 0;
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for (y = 0; y < 256; y++) {
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for (x = 0; x < 256; x++) {
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mapElement = RCT2_ADDRESS(RCT2_ADDRESS_TILE_MAP_ELEMENT_POINTERS, rct_map_element*)[y * 256 + x];
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while (mapElement->type & MAP_ELEMENT_TYPE_MASK) {
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mapElement++;
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}
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if (mapElement->properties.surface.ownership & 0x30)
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tiles++;
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}
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}
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if (tiles != RCT2_GLOBAL(RCT2_ADDRESS_PARK_SIZE, sint16)) {
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RCT2_GLOBAL(RCT2_ADDRESS_PARK_SIZE, sint16) = tiles;
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window_invalidate_by_id(WC_PARK_INFORMATION, 0);
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}
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return tiles;
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}
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/**
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*
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* rct2: 0x00669EAA
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*/
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int calculate_park_rating()
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{
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int result;
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result = 1150;
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if (RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & 0x4000)
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result = 1050;
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// Guests
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{
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rct_peep* peep;
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uint16 spriteIndex;
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int num_happy_peeps;
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short _bp;
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// -150 to +3 based on a range of guests from 0 to 2000
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result -= 150 - (min(2000, RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16)) / 13);
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// Guests, happiness, ?
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num_happy_peeps = 0;
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_bp = 0;
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FOR_ALL_GUESTS(spriteIndex, peep) {
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if (peep->var_2A != 0)
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continue;
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if (peep->happiness > 128)
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num_happy_peeps++;
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if (!(peep->flags & PEEP_FLAGS_LEAVING_PARK))
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continue;
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if (peep->var_C6 <= 89)
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_bp++;
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}
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// Peep happiness -500 to +0
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result -= 500;
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if (RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16) > 0)
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result += 2 * min(250, (num_happy_peeps * 300) / RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16));
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// ?
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_bp -= 25;
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if (_bp >= 0)
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result -= _bp * 7;
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}
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// Rides
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{
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int i;
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short _ax, total_ride_intensity = 0, total_ride_excitement = 0, average_intensity, average_excitement;
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int num_rides, num_exciting_rides = 0;
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rct_ride* ride;
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//
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_ax = 0;
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num_rides = 0;
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FOR_ALL_RIDES(i, ride) {
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_ax += 100 - ride->var_199;
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if (ride->excitement != -1){
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total_ride_excitement += ride->excitement / 8;
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total_ride_intensity += ride->intensity / 8;
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num_exciting_rides++;
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}
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num_rides++;
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}
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result -= 200;
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if (num_rides > 0)
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result += (_ax / num_rides) * 2;
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result -= 100;
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if (num_exciting_rides>0){
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average_excitement = total_ride_excitement / num_exciting_rides;
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average_intensity = total_ride_intensity / num_exciting_rides;
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average_excitement -= 46;
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if (average_excitement < 0){
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average_excitement = -average_excitement;
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}
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average_intensity -= 65;
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if (average_intensity < 0){
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average_intensity = -average_intensity;
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}
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average_excitement = min(average_excitement / 2, 50);
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average_intensity = min(average_intensity / 2, 50);
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result += 100 - average_excitement - average_intensity;
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}
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total_ride_excitement = min(1000, total_ride_excitement);
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total_ride_intensity = min(1000, total_ride_intensity);
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result -= 200 - ((total_ride_excitement + total_ride_intensity) / 10);
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}
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// Litter
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{
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rct_litter* litter;
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uint16 sprite_idx;
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short num_litter;
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num_litter = 0;
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for (sprite_idx = RCT2_GLOBAL(RCT2_ADDRESS_SPRITES_START_LITTER, uint16); sprite_idx != SPRITE_INDEX_NULL; sprite_idx = litter->next) {
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litter = &(g_sprite_list[sprite_idx].litter);
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// Guessing this eliminates recently dropped litter
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if (litter->var_24 - RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32) >= 7680)
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num_litter++;
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}
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result -= 600 - (4 * (150 - min(150, num_litter)));
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}
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result -= RCT2_GLOBAL(0x0135882E, sint16);
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result = clamp(0, result, 999);
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return result;
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}
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money32 calculate_ride_value(rct_ride *ride)
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{
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if (ride->type == RIDE_TYPE_NULL)
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return 0;
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if (ride->reliability == 0xFFFF)
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return 0;
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// Reliability * (...)
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return (ride->reliability * 10) * (
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ride->var_124 + ride->var_126 + ride->var_128 + ride->var_12A +
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ride->var_12C + ride->var_12E + ride->age + ride->running_cost +
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ride->var_134 + ride->var_136 +
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*((uint8*)(0x0097D21E + (ride->type * 8))) * 4
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);
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}
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/**
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*
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* rct2: 0x0066A3F6
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*/
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money32 calculate_park_value()
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{
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int i;
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money32 result;
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rct_ride* ride;
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// Sum ride values
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result = 0;
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for (i = 0; i < 255; i++) {
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ride = &g_ride_list[i];
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result += calculate_ride_value(ride);
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}
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// +7.00 per guest
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result += RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16) * MONEY(7, 00);
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return result;
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}
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/**
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* Calculate the company value.
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* Cash + Park Value - Loan
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*
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* rct2: 0x0066A498
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*/
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money32 calculate_company_value()
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{
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return
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DECRYPT_MONEY(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONEY_ENCRYPTED, sint32)) +
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PARK_VALUE, money32) -
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RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_LOAN, money32);
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}
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/**
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*
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* rct2: 0x00667104
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*/
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void reset_park_entrances()
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{
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RCT2_GLOBAL(0x013573D4, uint16) = 0;
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for (short i = 0; i < 4; i++) {
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RCT2_ADDRESS(RCT2_ADDRESS_PARK_ENTRANCE_X, uint16)[i] = 0x8000;
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}
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RCT2_GLOBAL(RCT2_ADDRESS_PEEP_SPAWNS, uint16) = 0xFFFF;
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RCT2_GLOBAL(0x013573F8, uint16) = 0xFFFF;
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}
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/**
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* Calculates the probability of a new guest. Also sets total ride value and suggested guest maximum.
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* Total ride value should probably be set else where, as its not just used for guest generation.
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* Suggested guest maximum should probably be an output result, not a global.
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* @returns A probability out of 65535
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* rct2: 0x0066730A
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*/
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static int park_calculate_guest_generation_probability()
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{
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unsigned int probability;
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int i, suggestedMaxGuests, totalRideValue;
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rct_ride *ride;
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// Calculate suggested guest maximum (based on ride type) and total ride value
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suggestedMaxGuests = 0;
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totalRideValue = 0;
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FOR_ALL_RIDES(i, ride) {
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if (ride->status != RIDE_STATUS_OPEN)
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continue;
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if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
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continue;
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if (ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
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continue;
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// Add guest score for ride type
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suggestedMaxGuests += RCT2_GLOBAL(0x0097D21E + (ride->type * 8), uint8);
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// Add ride value
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if (ride->reliability != RIDE_RELIABILITY_UNDEFINED) {
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int rideValue = ride->reliability - ride->price;
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if (rideValue > 0)
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totalRideValue += rideValue * 2;
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}
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}
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// If difficult guest generation, extra guests are available for good rides
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if (RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & PARK_FLAGS_DIFFICULT_GUEST_GENERATION) {
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suggestedMaxGuests = min(suggestedMaxGuests, 1000);
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FOR_ALL_RIDES(i, ride) {
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if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
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continue;
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if (ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
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continue;
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if (!(RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + (ride->type * 8), uint32) & 0x10000000))
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continue;
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if (!(RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + (ride->type * 8), uint32) & 0x200))
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continue;
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if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED))
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continue;
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if (ride->var_0E4 < 0x2580000)
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continue;
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if (ride->excitement < RIDE_RATING(6,00))
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continue;
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// Bonus guests for good ride
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suggestedMaxGuests += RCT2_GLOBAL(0x0097D21E + (ride->type * 8), uint8) * 2;
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}
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}
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suggestedMaxGuests = min(suggestedMaxGuests, 65535);
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RCT2_GLOBAL(RCT2_TOTAL_RIDE_VALUE, uint16) = totalRideValue;
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_suggestedGuestMaximum = suggestedMaxGuests;
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// Begin with 50 + park rating
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probability = 50 + clamp(0, RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PARK_RATING, uint16) - 200, 650);
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// The more guests, the lower the chance of a new one
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int numGuests = RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16) + RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_HEADING_FOR_PARK, uint16);
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if (numGuests > suggestedMaxGuests) {
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probability /= 4;
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// Even lower for difficult guest generation
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if (RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & PARK_FLAGS_DIFFICULT_GUEST_GENERATION)
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probability /= 4;
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}
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// Reduces chance for any more than 7000 guests
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if (numGuests > 7000)
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probability /= 4;
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// Check if money is enabled
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if (!(RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & PARK_FLAGS_NO_MONEY)) {
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// Penalty for overpriced entrance fee relative to total ride value
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money16 entranceFee = RCT2_GLOBAL(RCT2_ADDRESS_PARK_ENTRANCE_FEE, money16);
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if (entranceFee > totalRideValue) {
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probability /= 4;
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// Extra penalty for very overpriced entrance fee
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if (entranceFee / 2 > totalRideValue)
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probability /= 4;
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}
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}
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// Reward or penalties for park awards
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for (i = 0; i < MAX_AWARDS; i++) {
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rct_award *award = &RCT2_ADDRESS(RCT2_ADDRESS_AWARD_LIST, rct_award)[i];
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if (award->time == 0)
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continue;
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// +/- 0.25% of the probability
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if (award_is_positive(award->type))
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probability += probability / 4;
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else
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probability -= probability / 4;
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}
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return probability;
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}
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static void get_random_peep_spawn(rct2_peep_spawn *spawn)
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{
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rct2_peep_spawn *peepSpawns = RCT2_ADDRESS(RCT2_ADDRESS_PEEP_SPAWNS, rct2_peep_spawn);
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*spawn = peepSpawns[0];
|
|
if (peepSpawns[1].x != 0xFFFF)
|
|
if (scenario_rand() & 0x80000)
|
|
*spawn = peepSpawns[1];
|
|
}
|
|
|
|
static rct_peep *park_generate_new_guest()
|
|
{
|
|
rct_peep *peep;
|
|
rct2_peep_spawn spawn;
|
|
get_random_peep_spawn(&spawn);
|
|
|
|
if (spawn.x != 0xFFFF) {
|
|
spawn.direction ^= 2;
|
|
peep = peep_generate(spawn.x, spawn.y, spawn.z * 16);
|
|
if (peep != NULL) {
|
|
peep->sprite_direction = spawn.direction << 3;
|
|
|
|
// Get the centre point of the tile the peep is on
|
|
peep->var_32 = (peep->x & 0xFFE0) + 16;
|
|
peep->var_34 = (peep->y & 0xFFE0) + 16;
|
|
|
|
peep->var_36 = 5;
|
|
peep->var_76 = 0;
|
|
peep->var_78 = spawn.direction;
|
|
peep->var_37 = 0;
|
|
peep->state = PEEP_STATE_ENTERING_PARK;
|
|
}
|
|
}
|
|
|
|
return peep;
|
|
}
|
|
|
|
//This is called via the cheat window.
|
|
void generate_new_guest()
|
|
{
|
|
park_generate_new_guest();
|
|
}
|
|
|
|
static rct_peep *park_generate_new_guest_due_to_campaign(int campaign)
|
|
{
|
|
rct_peep *peep = park_generate_new_guest();
|
|
if (peep != NULL)
|
|
marketing_set_guest_campaign(peep, campaign);
|
|
return peep;
|
|
}
|
|
|
|
static void park_generate_new_guests()
|
|
{
|
|
// Generate a new guest for some probability
|
|
if ((scenario_rand() & 0xFFFF) < _guestGenerationProbability) {
|
|
int difficultGeneration = (RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32) & PARK_FLAGS_DIFFICULT_GUEST_GENERATION) != 0;
|
|
if (!difficultGeneration || _suggestedGuestMaximum + 150 >= RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16))
|
|
park_generate_new_guest();
|
|
}
|
|
|
|
// Extra guests generated by advertising campaigns
|
|
int campaign;
|
|
for (campaign = 0; campaign < ADVERTISING_CAMPAIGN_COUNT; campaign++) {
|
|
if (RCT2_ADDRESS(0x01358102, uint8)[campaign] != 0) {
|
|
// Random chance of guest generation
|
|
if ((scenario_rand() & 0xFFFF) < marketing_get_campaign_guest_generation_probability(campaign))
|
|
park_generate_new_guest_due_to_campaign(campaign);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* rct2: 0x006674F7
|
|
*/
|
|
void park_update()
|
|
{
|
|
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 0x0E)
|
|
return;
|
|
|
|
// Every 5 seconds approximately
|
|
if (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint8) % 512 == 0) {
|
|
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PARK_RATING, uint16) = calculate_park_rating();
|
|
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_PARK_VALUE, money32) = calculate_park_value();
|
|
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_COMPANY_VALUE, money32) = calculate_company_value();
|
|
window_invalidate_by_id(WC_FINANCES, 0);
|
|
_guestGenerationProbability = park_calculate_guest_generation_probability();
|
|
RCT2_GLOBAL(0x009A9804, uint16) |= 0x10;
|
|
window_invalidate_by_id(WC_PARK_INFORMATION, 0);
|
|
}
|
|
|
|
// Generate new guests
|
|
park_generate_new_guests();
|
|
}
|
|
|
|
uint8 calculate_guest_initial_happiness(uint8 percentage) {
|
|
if (percentage < 15) {
|
|
// There is a minimum of 15% happiness
|
|
percentage = 15;
|
|
}
|
|
else if (percentage > 98) {
|
|
// There is a maximum of 98% happiness
|
|
percentage = 98;
|
|
}
|
|
|
|
/* The percentages follow this sequence:
|
|
15 17 18 20 21 23 25 26 28 29 31 32 34 36 37 39 40 42 43 45 47 48 50 51 53...
|
|
|
|
This sequence can be defined as PI*(9+n)/2 (the value is floored)
|
|
*/
|
|
uint8 n;
|
|
for (n = 1; n < 55; n++) {
|
|
if ((3.14159*(9 + n)) / 2 >= percentage) {
|
|
return (9 + n) * 4;
|
|
}
|
|
}
|
|
return 40; // This is the lowest possible value
|
|
}
|
|
|
|
/**
|
|
*
|
|
* rct2: 0x0066A231
|
|
*/
|
|
void park_update_histories()
|
|
{
|
|
RCT2_CALLPROC_EBPSAFE(0x0066A231);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* rct2: 0x00669E30
|
|
*/
|
|
void game_command_set_park_entrance_fee()
|
|
{
|
|
uint8 _bl;
|
|
uint16 new_fee;
|
|
|
|
#ifdef _MSC_VER
|
|
__asm mov _bl, bl
|
|
#else
|
|
__asm__("mov %[_bl], bl " : [_bl] "+m" (_bl));
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
__asm mov new_fee, di
|
|
#else
|
|
__asm__("mov %[new_fee], di " : [new_fee] "+m" (new_fee));
|
|
#endif
|
|
|
|
RCT2_GLOBAL(0x0141F56C, uint8) = 0x10;
|
|
|
|
if (_bl & 1){
|
|
RCT2_GLOBAL(RCT2_ADDRESS_PARK_ENTRANCE_FEE, uint16) = new_fee;
|
|
|
|
window_invalidate_by_id(WC_PARK_INFORMATION, 0);
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
__asm mov ebx, 0
|
|
#else
|
|
__asm__("mov ebx, 0 ");
|
|
#endif
|
|
} |