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#ifndef AI_H
#define AI_H
#include "../functions.h"
#include "../network.h"
#include "../player.h"
/* How DoCommands look like for an AI */
typedef struct AICommand {
uint32 tile;
uint32 p1;
uint32 p2;
uint32 procc;
char *text;
uint uid;
struct AICommand *next;
} AICommand;
/* The struct for an AIScript Player */
typedef struct AIPlayer {
bool active; ///< Is this AI active?
AICommand *queue; ///< The commands that he has in his queue
AICommand *queue_tail; ///< The tail of this queue
} AIPlayer;
/* The struct to keep some data about the AI in general */
typedef struct AIStruct {
/* General */
bool enabled; ///< Is AI enabled?
uint tick; ///< The current tick (something like _frame_counter, only for AIs)
/* For network-clients (a OpenTTD client who acts as an AI connected to a server) */
bool network_client; ///< Are we a network_client?
uint8 network_playas; ///< The current network player we are connected as
} AIStruct;
VARDEF AIStruct _ai;
VARDEF AIPlayer _ai_player[MAX_PLAYERS];
// ai.c
void AI_StartNewAI(PlayerID player);
void AI_PlayerDied(PlayerID player);
void AI_RunGameLoop(void);
void AI_Initialize(void);
void AI_Uninitialize(void);
int32 AI_DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc);
/** Is it allowed to start a new AI.
* This function checks some boundries to see if we should launch a new AI.
* @return True if we can start a new AI.
*/
static inline bool AI_AllowNewAI(void)
{
/* If disabled, no AI */
if (!_ai.enabled)
return false;
/* If in network, but no server, no AI */
if (_networking && !_network_server)
return false;
/* If in network, and server, possible AI */
if (_networking && _network_server) {
/* Do we want AIs in multiplayer? */
if (!_patches.ai_in_multiplayer)
return false;
/* Only the NewAI is allowed... sadly enough the old AI just doesn't support this
* system, because all commands are delayed by at least 1 tick, which causes
* a big problem, because it uses variables that are only set AFTER the command
* is really executed... */
if (!_patches.ainew_active)
return false;
}
return true;
}
#define AI_CHANCE16(a,b) ((uint16) AI_Random() <= (uint16)((65536 * a) / b))
#define AI_CHANCE16R(a,b,r) ((uint16)(r = AI_Random()) <= (uint16)((65536 * a) / b))
/**
* The random-function that should be used by ALL AIs.
*/
static inline uint AI_RandomRange(uint max)
{
/* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
* but we pick InteractiveRandomRange if we are a network_server or network-client.
*/
if (_networking)
return InteractiveRandomRange(max);
else
return RandomRange(max);
}
/**
* The random-function that should be used by ALL AIs.
*/
static inline uint32 AI_Random(void)
{
/* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
* but we pick InteractiveRandomRange if we are a network_server or network-client.
*/
if (_networking)
return InteractiveRandom();
else
return Random();
}
#endif /* AI_H */
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