Duckstation/dep/rcheevos/include/rcheevos.h

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C
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2021-02-21 06:58:40 +00:00
#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,
RC_INVALID_COMPARISON = -24,
RC_INVALID_STATE = -25
};
const char* rc_error_str(int ret);
/*****************************************************************************\
| 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_8_BITS,
RC_MEMSIZE_16_BITS,
RC_MEMSIZE_24_BITS,
RC_MEMSIZE_32_BITS,
RC_MEMSIZE_LOW,
RC_MEMSIZE_HIGH,
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_BITCOUNT,
RC_MEMSIZE_VARIABLE
};
typedef struct rc_memref_value_t {
/* The current value of this memory reference. */
unsigned value;
/* The last differing value of this memory reference. */
unsigned prior;
/* The size of the value. */
char size;
/* True if the value changed this frame. */
char changed;
/* True if the reference will be used in indirection.
* NOTE: This is actually a property of the rc_memref_t, but we put it here to save space */
char is_indirect;
} rc_memref_value_t;
typedef struct rc_memref_t rc_memref_t;
struct rc_memref_t {
/* The current value at the specified memory address. */
rc_memref_value_t value;
/* The memory address of this variable. */
unsigned address;
/* The next memory reference in the chain. */
rc_memref_t* next;
};
/*****************************************************************************\
| Operands |
\*****************************************************************************/
/* types */
enum {
RC_OPERAND_ADDRESS, /* 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. */
RC_OPERAND_BCD, /* The BCD-decoded value of a live address in RAM. */
RC_OPERAND_INVERTED /* The twos-complement value of a live address in RAM. */
};
typedef struct {
union {
/* A value read from memory. */
rc_memref_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;
/* specifies which member of the value union is being used */
char type;
/* the actual RC_MEMSIZE of the operand - memref.size may differ */
char size;
}
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,
RC_CONDITION_OR_NEXT,
RC_CONDITION_TRIGGER,
RC_CONDITION_MEASURED_IF,
RC_CONDITION_RESET_NEXT_IF,
RC_CONDITION_SUB_HITS
};
/* operators */
enum {
RC_OPERATOR_EQ,
RC_OPERATOR_LT,
RC_OPERATOR_LE,
RC_OPERATOR_GT,
RC_OPERATOR_GE,
RC_OPERATOR_NE,
RC_OPERATOR_NONE,
RC_OPERATOR_MULT,
RC_OPERATOR_DIV,
RC_OPERATOR_AND
};
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 */
RC_TRIGGER_STATE_PRIMED, /* all non-Trigger conditions are true */
RC_TRIGGER_STATE_DISABLED /* achievement cannot be processed at this time */
};
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_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;
/* True if at least one condition has a non-zero required hit count */
char has_required_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);
/*****************************************************************************\
| Values |
\*****************************************************************************/
typedef struct rc_value_t rc_value_t;
struct rc_value_t {
/* The current value of the variable. */
rc_memref_value_t value;
/* The list of conditions to evaluate. */
rc_condset_t* conditions;
/* The memory references required by the value. */
rc_memref_t* memrefs;
/* The name of the variable. */
const char* name;
/* The next variable in the chain. */
rc_value_t* next;
};
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_STATE_INACTIVE, /* leaderboard is not being processed */
RC_LBOARD_STATE_WAITING, /* leaderboard cannot activate until the start condition has been false for at least one frame */
RC_LBOARD_STATE_ACTIVE, /* leaderboard is active and may start */
RC_LBOARD_STATE_STARTED, /* leaderboard attempt in progress */
RC_LBOARD_STATE_CANCELED, /* leaderboard attempt canceled */
RC_LBOARD_STATE_TRIGGERED, /* leaderboard attempt complete, value should be submitted */
RC_LBOARD_STATE_DISABLED /* leaderboard cannot be processed at this time */
};
typedef struct {
rc_trigger_t start;
rc_trigger_t submit;
rc_trigger_t cancel;
rc_value_t value;
rc_value_t* progress;
rc_memref_t* memrefs;
char state;
}
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 first;
unsigned last;
rc_richpresence_lookup_item_t* left;
rc_richpresence_lookup_item_t* right;
const char* label;
};
typedef struct rc_richpresence_lookup_t rc_richpresence_lookup_t;
struct rc_richpresence_lookup_t {
rc_richpresence_lookup_item_t* root;
rc_richpresence_lookup_t* next;
const char* name;
const char* default_label;
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_t* lookup;
rc_memref_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_t* memrefs;
rc_value_t* variables;
}
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);
void rc_update_richpresence(rc_richpresence_t* richpresence, rc_peek_t peek, void* peek_ud, lua_State* L);
int rc_get_richpresence_display_string(rc_richpresence_t* richpresence, char* buffer, unsigned buffersize, rc_peek_t peek, void* peek_ud, lua_State* L);
/*****************************************************************************\
| Runtime |
\*****************************************************************************/
typedef struct rc_runtime_trigger_t {
unsigned id;
rc_trigger_t* trigger;
void* buffer;
rc_memref_t* invalid_memref;
unsigned char md5[16];
int serialized_size;
char owns_memrefs;
}
rc_runtime_trigger_t;
typedef struct rc_runtime_lboard_t {
unsigned id;
int value;
rc_lboard_t* lboard;
void* buffer;
rc_memref_t* invalid_memref;
unsigned char md5[16];
char owns_memrefs;
}
rc_runtime_lboard_t;
typedef struct rc_runtime_richpresence_t {
rc_richpresence_t* richpresence;
void* buffer;
struct rc_runtime_richpresence_t* previous;
char owns_memrefs;
}
rc_runtime_richpresence_t;
typedef struct rc_runtime_t {
rc_runtime_trigger_t* triggers;
unsigned trigger_count;
unsigned trigger_capacity;
rc_runtime_lboard_t* lboards;
unsigned lboard_count;
unsigned lboard_capacity;
rc_runtime_richpresence_t* richpresence;
rc_memref_t* memrefs;
rc_memref_t** next_memref;
rc_value_t* variables;
rc_value_t** next_variable;
}
rc_runtime_t;
void rc_runtime_init(rc_runtime_t* runtime);
void rc_runtime_destroy(rc_runtime_t* runtime);
int rc_runtime_activate_achievement(rc_runtime_t* runtime, unsigned id, const char* memaddr, lua_State* L, int funcs_idx);
void rc_runtime_deactivate_achievement(rc_runtime_t* runtime, unsigned id);
rc_trigger_t* rc_runtime_get_achievement(const rc_runtime_t* runtime, unsigned id);
int rc_runtime_activate_lboard(rc_runtime_t* runtime, unsigned id, const char* memaddr, lua_State* L, int funcs_idx);
void rc_runtime_deactivate_lboard(rc_runtime_t* runtime, unsigned id);
rc_lboard_t* rc_runtime_get_lboard(const rc_runtime_t* runtime, unsigned id);
int rc_runtime_activate_richpresence(rc_runtime_t* runtime, const char* script, lua_State* L, int funcs_idx);
int rc_runtime_get_richpresence(const rc_runtime_t* self, char* buffer, unsigned buffersize, rc_peek_t peek, void* peek_ud, lua_State* L);
enum {
RC_RUNTIME_EVENT_ACHIEVEMENT_ACTIVATED, /* from WAITING, PAUSED, or PRIMED to ACTIVE */
RC_RUNTIME_EVENT_ACHIEVEMENT_PAUSED,
RC_RUNTIME_EVENT_ACHIEVEMENT_RESET,
RC_RUNTIME_EVENT_ACHIEVEMENT_TRIGGERED,
RC_RUNTIME_EVENT_ACHIEVEMENT_PRIMED,
RC_RUNTIME_EVENT_LBOARD_STARTED,
RC_RUNTIME_EVENT_LBOARD_CANCELED,
RC_RUNTIME_EVENT_LBOARD_UPDATED,
RC_RUNTIME_EVENT_LBOARD_TRIGGERED,
RC_RUNTIME_EVENT_ACHIEVEMENT_DISABLED,
RC_RUNTIME_EVENT_LBOARD_DISABLED
};
typedef struct rc_runtime_event_t {
unsigned id;
int value;
char type;
}
rc_runtime_event_t;
typedef void (*rc_runtime_event_handler_t)(const rc_runtime_event_t* runtime_event);
void rc_runtime_do_frame(rc_runtime_t* runtime, rc_runtime_event_handler_t event_handler, rc_peek_t peek, void* ud, lua_State* L);
void rc_runtime_reset(rc_runtime_t* runtime);
void rc_runtime_invalidate_address(rc_runtime_t* runtime, unsigned address);
int rc_runtime_progress_size(const rc_runtime_t* runtime, lua_State* L);
int rc_runtime_serialize_progress(void* buffer, const rc_runtime_t* runtime, lua_State* L);
int rc_runtime_deserialize_progress(rc_runtime_t* runtime, const unsigned char* serialized, lua_State* L);
/*****************************************************************************\
| Memory mapping |
\*****************************************************************************/
enum {
RC_MEMORY_TYPE_SYSTEM_RAM, /* normal system memory */
RC_MEMORY_TYPE_SAVE_RAM, /* memory that persists between sessions */
RC_MEMORY_TYPE_VIDEO_RAM, /* memory reserved for graphical processing */
RC_MEMORY_TYPE_READONLY, /* memory that maps to read only data */
RC_MEMORY_TYPE_HARDWARE_CONTROLLER, /* memory for interacting with system components */
RC_MEMORY_TYPE_VIRTUAL_RAM, /* secondary address space that maps to real memory in system RAM */
RC_MEMORY_TYPE_UNUSED /* these addresses don't really exist */
};
typedef struct rc_memory_region_t {
unsigned start_address; /* first address of block as queried by RetroAchievements */
unsigned end_address; /* last address of block as queried by RetroAchievements */
unsigned real_address; /* real address for first address of block */
char type; /* RC_MEMORY_TYPE_ for block */
const char* description; /* short description of block */
}
rc_memory_region_t;
typedef struct rc_memory_regions_t {
const rc_memory_region_t* region;
unsigned num_regions;
}
rc_memory_regions_t;
const rc_memory_regions_t* rc_console_memory_regions(int console_id);
#ifdef __cplusplus
}
#endif
#endif /* RCHEEVOS_H */