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api_player_controller.c
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#include <stdio.h>
#include <string.h>
#include "api.h"
#include "api_cJSON.h"
#include "d_player.h"
#include "m_menu.h"
#include "../d_event.h"
#include "../doomkeys.h"
#include "p_local.h"
#include "../net_server.h"
// externally-defined game variables
extern player_t players[MAXPLAYERS];
extern void P_FireWeapon (player_t* player);
extern void P_KillMobj( mobj_t* source, mobj_t* target );
extern int key_right;
extern int key_left;
extern int key_up;
extern int key_down;
extern int key_strafeleft;
extern int key_straferight;
extern int consoleplayer;
extern int *weapon_keys[];
extern char *player_names[];
extern net_client_t *sv_players[];
api_response_t API_PostMessage(cJSON *req)
{
cJSON *message;
message = cJSON_GetObjectItem(req, "text");
if (message && cJSON_IsString(message))
API_SetHUDMessage(cJSON_GetObjectItem(req, "text")->valuestring);
else
return (api_response_t){ 400, NULL };
return (api_response_t){ 201, NULL };
}
// e.g. to turn right to a target of 90 degrees {"type": "right", "target_angle": 90}
api_response_t API_PostTurnDegrees(cJSON *req)
{
cJSON *type_obj;
cJSON *amount_obj;
char *type;
int degrees;
amount_obj = cJSON_GetObjectItem(req, "target_angle");
if (!cJSON_IsNumber(amount_obj))
{
return API_CreateErrorResponse(400, "target_angle must be a number");
}
degrees = amount_obj->valueint;
if (degrees < 0 || degrees > 359)
return API_CreateErrorResponse(400, "target_angle must be between 0 and 359");
target_angle = degrees;
turnPlayer();
return (api_response_t) {201, NULL};
}
api_response_t API_PostPlayerAction(cJSON *req)
{
int amount;
char *type;
cJSON *amount_obj;
cJSON *type_obj;
int *weapon_key;
event_t event;
type_obj = cJSON_GetObjectItem(req, "type");
if (type_obj == NULL || !cJSON_IsString(type_obj))
return API_CreateErrorResponse(400, "Action type not specified or specified incorrectly");
type = type_obj->valuestring;
amount_obj = cJSON_GetObjectItem(req, "amount");
// Optional amount field, default to 10 if not set or set incorrectly
if (amount_obj == NULL)
{
amount = 10;
}
else
{
if (!cJSON_IsNumber(amount_obj))
{
return API_CreateErrorResponse(400, "amount must be a number");
}
amount = amount_obj->valueint;
if (amount < 1)
{
return API_CreateErrorResponse(400, "amount must be positive and non-zero");
}
}
if (strcmp(type, "forward") == 0)
{
keys_down[key_up] = amount;
event.type = ev_keydown;
event.data1 = key_up;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "backward") == 0)
{
keys_down[key_down] = amount;
event.type = ev_keydown;
event.data1 = key_down;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "turn-left") == 0)
{
keys_down[key_left] = amount;
event.type = ev_keydown;
event.data1 = key_left;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "turn-right") == 0)
{
keys_down[key_right] = amount;
event.type = ev_keydown;
event.data1 = key_right;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "strafe-left") == 0)
{
keys_down[key_strafeleft] = amount;
event.type = ev_keydown;
event.data1 = key_strafeleft;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "strafe-right") == 0)
{
keys_down[key_straferight] = amount;
event.type = ev_keydown;
event.data1 = key_straferight;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "switch-weapon") == 0)
{
if (amount < 1 || amount > 8)
return API_CreateErrorResponse(400, "invalid weapon selected");
weapon_key = weapon_keys[amount - 1];
keys_down[*weapon_key] = 10;
event.type = ev_keydown;
event.data1 = *weapon_key;
event.data2 = 0;
D_PostEvent(&event);
}
else if (strcmp(type, "use") == 0)
{
P_UseLines(&players[consoleplayer]);
}
else if (strcmp(type, "shoot") == 0)
{
P_FireWeapon(&players[consoleplayer]);
}
else
{
return API_CreateErrorResponse(400, "invalid action type");
}
return (api_response_t) {201, NULL};
}
cJSON* getPlayer(int playernum)
{
player_t *player;
cJSON *root;
cJSON *key_cards;
cJSON *cheats;
cJSON *weapons;
cJSON *ammo;
player = &players[playernum];
root = DescribeMObj(player->mo);
cJSON_AddStringToObject(root, "colour", player_names[playernum]);
cJSON_AddNumberToObject(root, "armor", player->armorpoints);
cJSON_AddNumberToObject(root, "kills", player->killcount);
cJSON_AddNumberToObject(root, "items", player->itemcount);
cJSON_AddNumberToObject(root, "secrets", players->secretcount);
cJSON_AddNumberToObject(root, "weapon", player->readyweapon);
weapons = cJSON_CreateObject();
cJSON_AddBoolToObject(weapons, "Handgun", player->weaponowned[1]);
cJSON_AddBoolToObject(weapons, "Shotgun", player->weaponowned[2]);
cJSON_AddBoolToObject(weapons, "Chaingun", player->weaponowned[3]);
cJSON_AddBoolToObject(weapons, "Rocket Launcher", player->weaponowned[4]);
cJSON_AddBoolToObject(weapons, "Plasma Rifle", player->weaponowned[5]);
cJSON_AddBoolToObject(weapons, "BFG?", player->weaponowned[6]);
cJSON_AddBoolToObject(weapons, "Chainsaw", player->weaponowned[7]);
cJSON_AddItemToObject(root, "weapons", weapons);
ammo = cJSON_CreateObject();
cJSON_AddNumberToObject(ammo, "Bullets", player->ammo[0]);
cJSON_AddNumberToObject(ammo, "Shells", player->ammo[1]);
cJSON_AddNumberToObject(ammo, "Cells", player->ammo[2]);
cJSON_AddNumberToObject(ammo, "Rockets", player->ammo[3]);
cJSON_AddItemToObject(root, "ammo", ammo);
key_cards = cJSON_CreateObject();
cJSON_AddBoolToObject(key_cards, "blue", player->cards[it_bluecard]);
cJSON_AddBoolToObject(key_cards, "red", player->cards[it_redcard]);
cJSON_AddBoolToObject(key_cards, "yellow", player->cards[it_yellowcard]);
cJSON_AddItemToObject(root, "keyCards", key_cards);
cheats = cJSON_CreateObject();
if (player->cheats & CF_NOCLIP) cJSON_AddTrueToObject(cheats, "CF_NOCLIP");
if (player->cheats & CF_GODMODE) cJSON_AddTrueToObject(cheats, "CF_GODMODE");
cJSON_AddItemToObject(root, "cheatFlags", cheats);
return root;
}
api_response_t API_GetPlayer()
{
cJSON *root = getPlayer(consoleplayer);
return (api_response_t) {200, root};
}
int getPlayerNumForId(int id)
{
for (int playernum=0; playernum<=MAXPLAYERS; playernum++)
{
if (playernum == MAXPLAYERS)
return -1;
if ((&players[playernum])->mo != 0x0 && (&players[playernum])->mo->id == id)
return playernum;
}
return -1;
}
api_response_t API_GetPlayerById(int id)
{
int playernum;
if ((playernum = getPlayerNumForId(id)) == -1)
return API_CreateErrorResponse(400, "Unknown player ID");
else
return (api_response_t) {200, getPlayer(playernum)};
}
// Player stats specific to multiplayer
api_response_t API_GetPlayers()
{
cJSON *root;
cJSON *player;
player_t *player_obj;
mobj_t *attacker;
root = cJSON_CreateArray();
for (int i = 0; i < MAXPLAYERS; i++)
{
if ((&players[i])->mo != 0x0)
{
player_obj = &players[i];
attacker = player_obj->attacker;
player = getPlayer(i);
cJSON_AddBoolToObject(player, "isConsolePlayer", i == consoleplayer);
if (M_CheckParm("-server") > 0 || M_CheckParm("-privateserver") > 0)
cJSON_AddStringToObject(player, "name", sv_players[i]->name);
if (attacker != NULL)
cJSON_AddNumberToObject(player, "last_attacked_by", attacker->id);
else
cJSON_AddNumberToObject(player, "last_attacked_by", 0);
cJSON_AddItemToArray(root, player);
}
}
return (api_response_t) {200, root};
}
api_response_t patchPlayer(cJSON *req, int playernum)
{
player_t *player;
cJSON *val;
cJSON *amount;
cJSON *flags;
cJSON *root;
if (M_CheckParm("-connect") > 0)
return API_CreateErrorResponse(403, "clients may not patch the player");
player = &players[playernum];
val = cJSON_GetObjectItem(req, "weapon");
if (val)
{
if (cJSON_IsNumber(val))
player->weaponowned[val->valueint - 1] = true;
else
return API_CreateErrorResponse(400, "Weapon value must be integer");
}
val = cJSON_GetObjectItem(req, "ammo");
if (val)
{
amount = cJSON_GetObjectItem(req, "amount");
if (amount && cJSON_IsNumber(amount))
{
if (cJSON_IsNumber(val))
player->ammo[val->valueint] = amount->valueint;
else
return API_CreateErrorResponse(400, "Ammo value must be integer");
}
else
{
return API_CreateErrorResponse(400, "Must provide ammo amount (integer)");
}
}
val = cJSON_GetObjectItem(req, "armor");
if (val)
{
if (cJSON_IsNumber(val))
player->armorpoints = val->valueint;
else
return API_CreateErrorResponse(400, "Armor value must be integer");
}
val = cJSON_GetObjectItem(req, "health");
if (val)
{
if (cJSON_IsNumber(val))
{
// we have to set both of these at the same time
player->health = val->valueint;
player->mo->health = val->valueint;
}
else
{
return API_CreateErrorResponse(400, "Health value must be integer");
}
}
flags = cJSON_GetObjectItem(req, "cheatFlags");
if (flags)
{
val = cJSON_GetObjectItem(flags, "CF_GODMODE");
if (val)
{
if (cJSON_IsNumber(val))
API_FlipFlag(&player->cheats, CF_GODMODE, val->valueint == 1);
else
return API_CreateErrorResponse(400, "GODMODE value must be integer");
}
val = cJSON_GetObjectItem(flags, "CF_NOCLIP");
if (val)
{
if (cJSON_IsNumber(val))
API_FlipFlag(&player->cheats, CF_NOCLIP, val->valueint == 1);
else
return API_CreateErrorResponse(400, "NOCLIP value must be integer");
}
}
root = getPlayer(playernum);
return (api_response_t) {200, root};
}
api_response_t API_PatchPlayer(cJSON *req)
{
return patchPlayer(req, consoleplayer);
}
api_response_t API_PatchPlayerById(cJSON *req, int id)
{
int playernum;
if ((playernum = getPlayerNumForId(id)) == -1)
return API_CreateErrorResponse(400, "Unknown player ID");
else
return patchPlayer(req, playernum);
}
api_response_t deletePlayer(int playernum)
{
player_t *player;
cJSON *player_obj;
if (M_CheckParm("-connect") > 0)
return API_CreateErrorResponse(403, "Clients may not kill players");
player = &players[playernum];
P_KillMobj(NULL, player->mo);
player_obj = getPlayer(playernum);
return (api_response_t) {200, player_obj};
}
api_response_t API_DeletePlayer()
{
return deletePlayer(consoleplayer);
}
api_response_t API_DeletePlayerById(int id)
{
int playernum;
if ((playernum = getPlayerNumForId(id)) == -1)
return API_CreateErrorResponse(400, "Unknown player ID");
else
return deletePlayer(playernum);
}