2019-11-20 14:40:34 -07:00

441 lines
13 KiB
C

#ifndef RCHEEVOS_H
#define RCHEEVOS_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct lua_State lua_State;
/*****************************************************************************\
| Return values |
\*****************************************************************************/
enum {
RC_OK = 0,
RC_INVALID_LUA_OPERAND = -1,
RC_INVALID_MEMORY_OPERAND = -2,
RC_INVALID_CONST_OPERAND = -3,
RC_INVALID_FP_OPERAND = -4,
RC_INVALID_CONDITION_TYPE = -5,
RC_INVALID_OPERATOR = -6,
RC_INVALID_REQUIRED_HITS = -7,
RC_DUPLICATED_START = -8,
RC_DUPLICATED_CANCEL = -9,
RC_DUPLICATED_SUBMIT = -10,
RC_DUPLICATED_VALUE = -11,
RC_DUPLICATED_PROGRESS = -12,
RC_MISSING_START = -13,
RC_MISSING_CANCEL = -14,
RC_MISSING_SUBMIT = -15,
RC_MISSING_VALUE = -16,
RC_INVALID_LBOARD_FIELD = -17,
RC_MISSING_DISPLAY_STRING = -18,
RC_OUT_OF_MEMORY = -19,
RC_INVALID_VALUE_FLAG = -20,
RC_MISSING_VALUE_MEASURED = -21,
RC_MULTIPLE_MEASURED = -22,
RC_INVALID_MEASURED_TARGET = -23
};
/*****************************************************************************\
| Console identifiers |
\*****************************************************************************/
enum {
RC_CONSOLE_MEGA_DRIVE = 1,
RC_CONSOLE_NINTENDO_64 = 2,
RC_CONSOLE_SUPER_NINTENDO = 3,
RC_CONSOLE_GAMEBOY = 4,
RC_CONSOLE_GAMEBOY_ADVANCE = 5,
RC_CONSOLE_GAMEBOY_COLOR = 6,
RC_CONSOLE_NINTENDO = 7,
RC_CONSOLE_PC_ENGINE = 8,
RC_CONSOLE_SEGA_CD = 9,
RC_CONSOLE_SEGA_32X = 10,
RC_CONSOLE_MASTER_SYSTEM = 11,
RC_CONSOLE_PLAYSTATION = 12,
RC_CONSOLE_ATARI_LYNX = 13,
RC_CONSOLE_NEOGEO_POCKET = 14,
RC_CONSOLE_GAME_GEAR = 15,
RC_CONSOLE_GAMECUBE = 16,
RC_CONSOLE_ATARI_JAGUAR = 17,
RC_CONSOLE_NINTENDO_DS = 18,
RC_CONSOLE_WII = 19,
RC_CONSOLE_WII_U = 20,
RC_CONSOLE_PLAYSTATION_2 = 21,
RC_CONSOLE_XBOX = 22,
RC_CONSOLE_SKYNET = 23,
RC_CONSOLE_XBOX_ONE = 24,
RC_CONSOLE_ATARI_2600 = 25,
RC_CONSOLE_MS_DOS = 26,
RC_CONSOLE_ARCADE = 27,
RC_CONSOLE_VIRTUAL_BOY = 28,
RC_CONSOLE_MSX = 29,
RC_CONSOLE_COMMODORE_64 = 30,
RC_CONSOLE_ZX81 = 31
};
/*****************************************************************************\
| Callbacks |
\*****************************************************************************/
/**
* Callback used to read num_bytes bytes from memory starting at address. If
* num_bytes is greater than 1, the value is read in little-endian from
* memory.
*/
typedef unsigned (*rc_peek_t)(unsigned address, unsigned num_bytes, void* ud);
/*****************************************************************************\
| Memory References |
\*****************************************************************************/
/* Sizes. */
enum {
RC_MEMSIZE_BIT_0,
RC_MEMSIZE_BIT_1,
RC_MEMSIZE_BIT_2,
RC_MEMSIZE_BIT_3,
RC_MEMSIZE_BIT_4,
RC_MEMSIZE_BIT_5,
RC_MEMSIZE_BIT_6,
RC_MEMSIZE_BIT_7,
RC_MEMSIZE_LOW,
RC_MEMSIZE_HIGH,
RC_MEMSIZE_8_BITS,
RC_MEMSIZE_16_BITS,
RC_MEMSIZE_24_BITS,
RC_MEMSIZE_32_BITS
};
typedef struct {
/* The memory address of this variable. */
unsigned address;
/* The size of the variable. */
char size;
/* True if the value is in BCD. */
char is_bcd;
/* True if the reference will be used in indirection */
char is_indirect;
} rc_memref_t;
typedef struct rc_memref_value_t rc_memref_value_t;
struct rc_memref_value_t {
/* The value of this memory reference. */
unsigned value;
/* The previous value of this memory reference. */
unsigned previous;
/* The last differing value of this memory reference. */
unsigned prior;
/* The referenced memory */
rc_memref_t memref;
/* The next memory reference in the chain */
rc_memref_value_t* next;
};
/*****************************************************************************\
| Operands |
\*****************************************************************************/
/* types */
enum {
RC_OPERAND_ADDRESS, /* Compare to the value of a live address in RAM. */
RC_OPERAND_DELTA, /* The value last known at this address. */
RC_OPERAND_CONST, /* A 32-bit unsigned integer. */
RC_OPERAND_FP, /* A floating point value. */
RC_OPERAND_LUA, /* A Lua function that provides the value. */
RC_OPERAND_PRIOR /* The last differing value at this address. */
};
typedef struct {
union {
/* A value read from memory. */
rc_memref_value_t* memref;
/* An integer value. */
unsigned num;
/* A floating point value. */
double dbl;
/* A reference to the Lua function that provides the value. */
int luafunc;
} value;
char type;
}
rc_operand_t;
/*****************************************************************************\
| Conditions |
\*****************************************************************************/
/* types */
enum {
RC_CONDITION_STANDARD,
RC_CONDITION_PAUSE_IF,
RC_CONDITION_RESET_IF,
RC_CONDITION_ADD_SOURCE,
RC_CONDITION_SUB_SOURCE,
RC_CONDITION_ADD_HITS,
RC_CONDITION_AND_NEXT,
RC_CONDITION_MEASURED,
RC_CONDITION_ADD_ADDRESS
};
/* operators */
enum {
RC_CONDITION_EQ,
RC_CONDITION_LT,
RC_CONDITION_LE,
RC_CONDITION_GT,
RC_CONDITION_GE,
RC_CONDITION_NE,
RC_CONDITION_NONE
};
typedef struct rc_condition_t rc_condition_t;
struct rc_condition_t {
/* The condition's operands. */
rc_operand_t operand1;
rc_operand_t operand2;
/* Required hits to fire this condition. */
unsigned required_hits;
/* Number of hits so far. */
unsigned current_hits;
/* The next condition in the chain. */
rc_condition_t* next;
/* The type of the condition. */
char type;
/* The comparison operator to use. */
char oper; /* operator is a reserved word in C++. */
/* Set if the condition needs to processed as part of the "check if paused" pass. */
char pause;
/* Whether or not the condition evaluated true on the last check */
char is_true;
};
/*****************************************************************************\
| Condition sets |
\*****************************************************************************/
typedef struct rc_condset_t rc_condset_t;
struct rc_condset_t {
/* The next condition set in the chain. */
rc_condset_t* next;
/* The list of conditions in this condition set. */
rc_condition_t* conditions;
/* True if any condition in the set is a pause condition. */
char has_pause;
/* True if the set is currently paused. */
char is_paused;
};
/*****************************************************************************\
| Trigger |
\*****************************************************************************/
enum {
RC_TRIGGER_STATE_INACTIVE, /* achievement is not being processed */
RC_TRIGGER_STATE_WAITING, /* achievement cannot trigger until it has been false for at least one frame */
RC_TRIGGER_STATE_ACTIVE, /* achievement is active and may trigger */
RC_TRIGGER_STATE_PAUSED, /* achievement is currently paused and will not trigger */
RC_TRIGGER_STATE_RESET, /* achievement hit counts were reset */
RC_TRIGGER_STATE_TRIGGERED /* achievement has triggered */
};
typedef struct {
/* The main condition set. */
rc_condset_t* requirement;
/* The list of sub condition sets in this test. */
rc_condset_t* alternative;
/* The memory references required by the trigger. */
rc_memref_value_t* memrefs;
/* The current state of the MEASURED condition. */
unsigned measured_value;
/* The target state of the MEASURED condition */
unsigned measured_target;
/* The current state of the trigger */
char state;
/* True if at least one condition has a non-zero hit count */
char has_hits;
}
rc_trigger_t;
int rc_trigger_size(const char* memaddr);
rc_trigger_t* rc_parse_trigger(void* buffer, const char* memaddr, lua_State* L, int funcs_ndx);
int rc_evaluate_trigger(rc_trigger_t* trigger, rc_peek_t peek, void* ud, lua_State* L);
int rc_test_trigger(rc_trigger_t* trigger, rc_peek_t peek, void* ud, lua_State* L);
void rc_reset_trigger(rc_trigger_t* self);
/*****************************************************************************\
| Expressions and values |
\*****************************************************************************/
typedef struct rc_term_t rc_term_t;
struct rc_term_t {
/* The next term in this chain. */
rc_term_t* next;
/* The first operand. */
rc_operand_t operand1;
/* The second operand. */
rc_operand_t operand2;
/* A value that is applied to the second variable to invert its bits. */
unsigned invert;
};
typedef struct rc_expression_t rc_expression_t;
struct rc_expression_t {
/* The next expression in this chain. */
rc_expression_t* next;
/* The list of terms in this expression. */
rc_term_t* terms;
};
typedef struct {
/* The list of expression to evaluate. */
rc_expression_t* expressions;
/* The list of conditions to evaluate. */
rc_condset_t* conditions;
/* The memory references required by the value. */
rc_memref_value_t* memrefs;
}
rc_value_t;
int rc_value_size(const char* memaddr);
rc_value_t* rc_parse_value(void* buffer, const char* memaddr, lua_State* L, int funcs_ndx);
int rc_evaluate_value(rc_value_t* value, rc_peek_t peek, void* ud, lua_State* L);
/*****************************************************************************\
| Leaderboards |
\*****************************************************************************/
/* Return values for rc_evaluate_lboard. */
enum {
RC_LBOARD_INACTIVE,
RC_LBOARD_ACTIVE,
RC_LBOARD_STARTED,
RC_LBOARD_CANCELED,
RC_LBOARD_TRIGGERED
};
typedef struct {
rc_trigger_t start;
rc_trigger_t submit;
rc_trigger_t cancel;
rc_value_t value;
rc_value_t* progress;
rc_memref_value_t* memrefs;
char started;
char submitted;
}
rc_lboard_t;
int rc_lboard_size(const char* memaddr);
rc_lboard_t* rc_parse_lboard(void* buffer, const char* memaddr, lua_State* L, int funcs_ndx);
int rc_evaluate_lboard(rc_lboard_t* lboard, int* value, rc_peek_t peek, void* peek_ud, lua_State* L);
void rc_reset_lboard(rc_lboard_t* lboard);
/*****************************************************************************\
| Value formatting |
\*****************************************************************************/
/* Supported formats. */
enum {
RC_FORMAT_FRAMES,
RC_FORMAT_SECONDS,
RC_FORMAT_CENTISECS,
RC_FORMAT_SCORE,
RC_FORMAT_VALUE,
RC_FORMAT_MINUTES,
RC_FORMAT_SECONDS_AS_MINUTES
};
int rc_parse_format(const char* format_str);
int rc_format_value(char* buffer, int size, int value, int format);
/*****************************************************************************\
| Rich Presence |
\*****************************************************************************/
typedef struct rc_richpresence_lookup_item_t rc_richpresence_lookup_item_t;
struct rc_richpresence_lookup_item_t {
unsigned value;
rc_richpresence_lookup_item_t* next_item;
const char* label;
};
typedef struct rc_richpresence_lookup_t rc_richpresence_lookup_t;
struct rc_richpresence_lookup_t {
rc_richpresence_lookup_item_t* first_item;
rc_richpresence_lookup_t* next;
const char* name;
unsigned short format;
};
typedef struct rc_richpresence_display_part_t rc_richpresence_display_part_t;
struct rc_richpresence_display_part_t {
rc_richpresence_display_part_t* next;
const char* text;
rc_richpresence_lookup_item_t* first_lookup_item;
rc_value_t value;
unsigned short display_type;
};
typedef struct rc_richpresence_display_t rc_richpresence_display_t;
struct rc_richpresence_display_t {
rc_trigger_t trigger;
rc_richpresence_display_t* next;
rc_richpresence_display_part_t* display;
};
typedef struct {
rc_richpresence_display_t* first_display;
rc_richpresence_lookup_t* first_lookup;
rc_memref_value_t* memrefs;
}
rc_richpresence_t;
int rc_richpresence_size(const char* script);
rc_richpresence_t* rc_parse_richpresence(void* buffer, const char* script, lua_State* L, int funcs_ndx);
int rc_evaluate_richpresence(rc_richpresence_t* richpresence, char* buffer, unsigned buffersize, rc_peek_t peek, void* peek_ud, lua_State* L);
#ifdef __cplusplus
}
#endif
#endif /* RCHEEVOS_H */