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OpenRCT2/src/rct2.h

252 lines
6.9 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/>.
*****************************************************************************/
#ifndef _RCT2_H_
#define _RCT2_H_
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES
#endif
#undef M_PI
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef _MSC_VER
#include <time.h>
#endif
typedef int8_t sint8;
typedef int16_t sint16;
typedef int32_t sint32;
typedef int64_t sint64;
typedef uint8_t uint8;
typedef uint16_t uint16;
typedef uint32_t uint32;
typedef uint64_t uint64;
typedef char utf8;
typedef utf8* utf8string;
typedef const utf8* const_utf8string;
typedef wchar_t utf16;
typedef utf16* utf16string;
#define rol8(x, shift) (((uint8)(x) << (shift)) | ((uint8)(x) >> (8 - (shift))))
#define ror8(x, shift) (((uint8)(x) >> (shift)) | ((uint8)(x) << (8 - (shift))))
#define rol16(x, shift) (((uint16)(x) << (shift)) | ((uint16)(x) >> (16 - (shift))))
#define ror16(x, shift) (((uint16)(x) >> (shift)) | ((uint16)(x) << (16 - (shift))))
#define rol32(x, shift) (((uint32)(x) << (shift)) | ((uint32)(x) >> (32 - (shift))))
#define ror32(x, shift) (((uint32)(x) >> (shift)) | ((uint32)(x) << (32 - (shift))))
#define rol64(x, shift) (((uint64)(x) << (shift)) | ((uint32)(x) >> (64 - (shift))))
#define ror64(x, shift) (((uint64)(x) >> (shift)) | ((uint32)(x) << (64 - (shift))))
#ifndef __cplusplus
// in C++ you should be using Math::Min and Math::Max
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#endif // __cplusplus
#define sgn(x) ((x > 0) ? 1 : ((x < 0) ? -1 : 0))
#define clamp(l, x, h) (min(h, max(l, x)))
// Rounds an integer down to the given power of 2. y must be a power of 2.
#define floor2(x, y) ((x) & (~((y) - 1)))
#ifndef __cplusplus
// in C++ you should be using Util::CountOf
#ifdef __GNUC__
/**
* Force a compilation error if condition is true, but also produce a
* result (of value 0 and type size_t), so the expression can be used
* e.g. in a structure initializer (or where-ever else comma expressions
* aren't permitted).
*/
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
/* &a[0] degrades to a pointer: a different type from an array */
#define __must_be_array(a) \
BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
// based on http://lxr.free-electrons.com/source/include/linux/kernel.h#L54
#define countof(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
#elif defined (_MSC_VER)
#define countof(arr) _countof(arr)
#else
#define countof(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif // __GNUC__
#endif // __cplusplus
#ifndef _MSC_VER
// use similar struct packing as MSVC for our structs
#pragma pack(1)
#endif
#include "version.h"
#define OPENRCT2_MASTER_SERVER_URL "https://servers.openrct2.website"
// Time (represented as number of 100-nanosecond intervals since 0001-01-01T00:00:00Z)
typedef uint64 datetime64;
#define DATETIME64_MIN ((datetime64)0)
// Represent fixed point numbers. dp = decimal point
typedef uint8 fixed8_1dp;
typedef uint8 fixed8_2dp;
typedef sint16 fixed16_1dp;
typedef sint16 fixed16_2dp;
typedef sint32 fixed32_1dp;
typedef sint32 fixed32_2dp;
// Money is stored as a multiple of 0.10.
typedef fixed8_1dp money8;
typedef fixed16_1dp money16;
typedef fixed32_1dp money32;
// Construct a fixed point number. For example, to create the value 3.65 you
// would write FIXED_2DP(3,65)
#define FIXED_XDP(x, whole, fraction) ((whole) * (10 * x) + (fraction))
#define FIXED_1DP(whole, fraction) FIXED_XDP(1, whole, fraction)
#define FIXED_2DP(whole, fraction) FIXED_XDP(10, whole, fraction)
// Construct a money value in the format MONEY(10,70) to represent 10.70. Fractional part must be two digits.
#define MONEY(whole, fraction) ((whole) * 10 + ((fraction) / 10))
#define MONEY_FREE MONEY(0,00)
#define MONEY32_UNDEFINED ((money32)0x80000000)
typedef void (EMPTY_ARGS_VOID_POINTER)();
typedef unsigned short rct_string_id;
typedef struct {
uint32 installLevel;
char title[260];
char path[260];
uint32 var_20C;
uint8 pad_210[256];
char expansionPackNames[16][128];
uint32 activeExpansionPacks; //0xB10
} rct2_install_info;
enum {
// Although this is labeled a flag it actually means when
// zero the screen is in playing mode.
SCREEN_FLAGS_PLAYING = 0,
SCREEN_FLAGS_TITLE_DEMO = 1,
SCREEN_FLAGS_SCENARIO_EDITOR = 2,
SCREEN_FLAGS_TRACK_DESIGNER = 4,
SCREEN_FLAGS_TRACK_MANAGER = 8,
};
#define SCREEN_FLAGS_EDITOR (SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)
enum {
PATH_ID_G1,
PATH_ID_PLUGIN,
PATH_ID_CSS1,
PATH_ID_CSS2,
PATH_ID_CSS4,
PATH_ID_CSS5,
PATH_ID_CSS6,
PATH_ID_CSS7,
PATH_ID_CSS8,
PATH_ID_CSS9,
PATH_ID_CSS11,
PATH_ID_CSS12,
PATH_ID_CSS13,
PATH_ID_CSS14,
PATH_ID_CSS15,
PATH_ID_CSS3,
PATH_ID_CSS17,
PATH_ID_CSS18,
PATH_ID_CSS19,
PATH_ID_CSS20,
PATH_ID_CSS21,
PATH_ID_CSS22,
PATH_ID_SCORES,
PATH_ID_CSS23,
PATH_ID_CSS24,
PATH_ID_CSS25,
PATH_ID_CSS26,
PATH_ID_CSS27,
PATH_ID_CSS28,
PATH_ID_CSS29,
PATH_ID_CSS30,
PATH_ID_CSS31,
PATH_ID_CSS32,
PATH_ID_CSS33,
PATH_ID_CSS34,
PATH_ID_CSS35,
PATH_ID_CSS36,
PATH_ID_CSS37,
PATH_ID_CSS38,
PATH_ID_CUSTOM1,
PATH_ID_CUSTOM2,
PATH_ID_CSS39,
PATH_ID_CSS40,
PATH_ID_CSS41,
PATH_ID_SIXFLAGS_MAGICMOUNTAIN,
PATH_ID_CSS42,
PATH_ID_CSS43,
PATH_ID_CSS44,
PATH_ID_CSS45,
PATH_ID_CSS46,
PATH_ID_CSS50,
PATH_ID_END
};
extern const char * const RCT2FilePaths[PATH_ID_END];
extern uint32 gCurrentDrawCount;
int rct2_init();
void rct2_update();
void rct2_draw();
void substitute_path(char *dest, const char *path, const char *filename);
int check_mutex();
int check_file_paths();
int check_file_path(int pathId);
int check_files_integrity();
const char *get_file_path(int pathId);
void get_system_info();
void get_system_time();
void get_local_time();
void *rct2_malloc(size_t numBytes);
void *rct2_realloc(void *block, size_t numBytes);
void rct2_free(void *block);
void rct2_quit();
int rct2_open_file(const char *path);
#endif