libac: First Commit

6 files changed, 275 insertions, 0 deletions

diff --git a/client/libacron/include/common.h b/client/libacron/include/common.h
new file mode 100644
index 0000000..89738c4
--- /dev/null
+++ b/client/libacron/include/common.h
@@ -0,0 +1,64 @@
+/*
+ * Created by yuuta on 7/13/22.
+ */
+
+#ifndef LIBAC_COMMON_H
+#define LIBAC_COMMON_H
+
+/* Library errors */
+/* OK */
+#define AC_E_OK  0
+/* The library is not initialized on that thread. */
+#define AC_E_NOT_INITIALIZED    1
+/* ac_init(): The library is already initialized on that thread. */
+#define AC_E_ALREADY_INITIALIZED    2
+/* Cannot allocate memory. */
+#define AC_E_MEMORY_ALLOCATION  3
+/* Library internal error. */
+#define AC_E_INTERNAL           4
+/* The server returns an invalid response. */
+#define AC_E_INVALID_RESPONSE    5
+/* The request is invalid. */
+#define AC_E_INVALID_REQUEST    6
+/* Network error */
+#define AC_E_NET                7
+
+/* Remote errors */
+#define AC_ER_BAD_REQUEST       400
+#define AC_ER_NOT_AUTHORIZED    401
+#define AC_ER_FORBIDDEN         403
+#define AC_ER_INTERNAL_ERROR    500
+
+/* General Structs */
+enum ac_world {
+    overworld,
+    nether,
+    end
+};
+
+typedef struct ac_vec3d {
+    double x;
+    double y;
+    double z;
+} ac_vec3d_t;
+
+typedef struct ac_vec2f {
+    double x;
+    double y;
+} ac_vec2f_t;
+
+typedef struct ac_entity {
+    char *name;
+    char *uuid;
+    ac_vec3d_t pos;
+    enum ac_world world;
+} ac_entity_t;
+
+typedef struct ac_config {
+    enum ac_world *world;
+    ac_vec3d_t *pos;
+    ac_vec2f_t *rot;
+    char *name;
+} ac_config_t;
+
+#endif /* LIBAC_COMMON_H */
diff --git a/client/libacron/include/events.h b/client/libacron/include/events.h
new file mode 100644
index 0000000..93a5184
--- /dev/null
+++ b/client/libacron/include/events.h
@@ -0,0 +1,51 @@
+/*
+ * Created by yuuta on 7/13/22.
+ */
+
+#ifndef LIBAC_EVENTS_H
+#define LIBAC_EVENTS_H
+
+#include "common.h"
+#include "ids.h"
+#include <stdint.h>
+
+/* Events */
+typedef struct ac_event {
+    uint8_t type;
+} ac_event_t;
+
+#define AC_EVENT_PLAYER_JOIN AC_ID(AC_TYPE_EVENT, 1 /* 0b0000001 */) /* 0b00000001 */
+typedef struct ac_event_player_join {
+    uint8_t type;
+    ac_entity_t player;
+} ac_event_player_join_t;
+
+#define AC_EVENT_PLAYER_DISCONNECT AC_ID(AC_TYPE_EVENT, 2 /* 0b0000010 */) /* 0b00000010 */
+typedef struct ac_event_player_disconnect {
+    uint8_t type;
+    ac_entity_t player;
+    char *reason;
+} ac_event_player_disconnect_t;
+
+#define AC_EVENT_ENTITY_DEATH AC_ID(AC_TYPE_EVENT, 3 /* 0b00000011 */) /* 0b00000011 */
+typedef struct ac_event_entity_death {
+    uint8_t type;
+    ac_entity_t entity;
+    char *message;
+} ac_event_entity_death_t;
+
+#define AC_EVENT_PLAYER_MESSAGE AC_ID(AC_TYPE_EVENT, 4 /* 0b00000100 */) /* 0b00000100 */
+typedef struct ac_event_player_message {
+    uint8_t type;
+    ac_entity_t player;
+    char *text;
+} ac_event_player_message_t;
+
+#define AC_EVENT_LAGGING AC_ID(AC_TYPE_EVENT, 5 /* 0b00000101 */) /* 0b00000101 */
+typedef struct ac_event_lagging {
+    uint8_t type;
+    int64_t ms;
+    int64_t ticks;
+} ac_event_lagging_t;
+
+#endif /* LIBAC_EVENTS_H */
diff --git a/client/libacron/include/ids.h b/client/libacron/include/ids.h
new file mode 100644
index 0000000..86fde47
--- /dev/null
+++ b/client/libacron/include/ids.h
@@ -0,0 +1,26 @@
+/*
+ * Created by yuuta on 7/19/22.
+ */
+
+#ifndef LIBAC_IDS_H
+#define LIBAC_IDS_H
+
+#define AC_TYPE_EVENT       0   /* 0b00000000 */
+#define AC_TYPE_REQUEST     64  /* 0b01000000 */
+#define AC_TYPE_RESPONSE    128 /* 0b10000000 */
+
+#define AC_ID(type, num) type + num
+
+#define AC_IS_EVENT(type) (type & 192) == AC_TYPE_EVENT
+#define AC_IS_REQUEST(type) (type & 192) == AC_TYPE_REQUEST
+#define AC_IS_RESPONSE(type) (type & 192) == AC_TYPE_RESPONSE
+
+#include <stdint.h>
+
+typedef struct ac_obj {
+    uint8_t type;
+} ac_obj_t;
+
+int ac_object_free(ac_obj_t *obj);
+
+#endif /* LIBAC_IDS_H */
diff --git a/client/libacron/include/libac.h b/client/libacron/include/libac.h
new file mode 100644
index 0000000..80734dc
--- /dev/null
+++ b/client/libacron/include/libac.h
@@ -0,0 +1,34 @@
+/*
+ * Created by yuuta on 7/13/22.
+ */
+
+#ifndef LIBAC_LIBAC_H
+#define LIBAC_LIBAC_H
+
+#include "common.h"
+#include "events.h"
+#include "net.h"
+#include "requests.h"
+#include "ids.h"
+
+#include <json-c/json_tokener.h>
+#include <stdio.h>
+
+typedef struct libac_config {
+    FILE *out;
+    json_tokener *tok;
+} libac_config_t;
+
+/**
+ * Initialize libac for the calling thread.
+ * @return 0 on success.
+ */
+int ac_init(const libac_config_t *config);
+
+/**
+ * Destroy libac configuration for the calling thread.
+ * @return 0 on success.
+ */
+int ac_free(void);
+
+#endif /* LIBAC_LIBAC_H */
diff --git a/client/libacron/include/net.h b/client/libacron/include/net.h
new file mode 100644
index 0000000..5b10470
--- /dev/null
+++ b/client/libacron/include/net.h
@@ -0,0 +1,29 @@
+/*
+ * Created by yuuta on 7/13/22.
+ */
+
+#ifndef LIBAC_NET_H
+#define LIBAC_NET_H
+
+#include "common.h"
+#include "events.h"
+#include "requests.h"
+
+/* Connection */
+
+typedef struct ac_connection_parameters {
+    /**
+     * ws://host:port/ws?id=id&token=token
+     * Currently wss is not supported.
+     * Port must be supplied, or libac will connect to port zero.
+     */
+    char *url;
+} ac_connection_parameters_t;
+
+int ac_connect(ac_connection_parameters_t parameters, void **out);
+
+int ac_disconnect(void *connection);
+
+int ac_receive(void *connection, ac_obj_t **response);
+
+#endif /* LIBAC_NET_H */
diff --git a/client/libacron/include/requests.h b/client/libacron/include/requests.h
new file mode 100644
index 0000000..40742e0
--- /dev/null
+++ b/client/libacron/include/requests.h
@@ -0,0 +1,71 @@
+/*
+ * Created by yuuta on 7/13/22.
+ */
+
+#ifndef LIBAC_REQUESTS_H
+#define LIBAC_REQUESTS_H
+
+#include "common.h"
+#include "ids.h"
+#include <stdbool.h>
+
+/* Responses */
+typedef struct ac_response {
+    uint8_t type;
+    int id;
+} ac_response_t;
+
+#define AC_RESPONSE_ERROR    AC_ID(AC_TYPE_RESPONSE, 1 /* 0b00000001 */) /* 0b10000001 */
+typedef struct ac_response_error {
+    uint8_t type;
+    int id;
+    int code;
+    char *message;
+} ac_response_error_t;
+
+#define AC_RESPONSE_OK   AC_ID(AC_TYPE_RESPONSE, 2 /* 0b00000010 */) /* 0b10000010 */
+typedef struct ac_response_ok {
+    uint8_t type;
+    int id;
+} ac_response_ok_t;
+
+#define AC_RESPONSE_CMD_OUT  AC_ID(AC_TYPE_RESPONSE, 3 /* 0b00000011 */) /* 0b10000011 */
+typedef struct ac_response_cmd_out {
+    uint8_t type;
+    int id;
+    char *sender;
+    char *out;
+} ac_response_cmd_out_t;
+
+#define AC_RESPONSE_CMD_RESULT   AC_ID(AC_TYPE_RESPONSE, 4 /* 0b00000100 */) /* 0b10000100 */
+typedef struct ac_response_cmd_result {
+    uint8_t type;
+    int id;
+    int result;
+    bool success;
+} ac_response_cmd_result_t;
+
+/* Requests */
+typedef struct ac_request {
+    uint8_t type;
+    int id;
+} ac_request_t;
+
+#define AC_REQUEST_CMD   AC_ID(AC_TYPE_REQUEST, 1 /* 0b00000001 */) /* 0b01000001 */
+typedef struct ac_request_cmd {
+    uint8_t type;
+    int id;
+    ac_config_t  *config;
+    char *cmd;
+} ac_request_cmd_t;
+
+#define AC_REQUEST_SET_CONFIG    AC_ID(AC_TYPE_REQUEST, 2 /* 0b00000010 */) /* 0b01000010 */
+typedef struct ac_request_set_config {
+    uint8_t type;
+    int id;
+    ac_config_t config;
+} ac_request_set_config_t;
+
+int ac_request(void *connection, const ac_request_t *request);
+
+#endif /* LIBAC_REQUESTS_H */