warzone2100/src/ai.h

97 lines
3.8 KiB
C

/*
This file is part of Warzone 2100.
Copyright (C) 1999-2004 Eidos Interactive
Copyright (C) 2005-2013 Warzone 2100 Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** @file
* Definitions for the AI system structures
*/
#ifndef __INCLUDED_SRC_AI_H__
#define __INCLUDED_SRC_AI_H__
#include "droiddef.h"
#define ALLIANCE_BROKEN 0 // states of alliance between players
#define ALLIANCE_REQUESTED 1
#define ALLIANCE_INVITATION 2
#define ALLIANCE_FORMED 3
#define ALLIANCE_NULL 4 // for setting values only.
enum AllianceType
{
NO_ALLIANCES, // FFA
ALLIANCES, // Players can make and break alliances during the game.
ALLIANCES_TEAMS, // Alliances are set before the game.
ALLIANCES_UNSHARED, // Alliances are set before the game. No shared research.
};
/// Amount of time to rage at the world when frustrated (10 seconds)
#define FRUSTRATED_TIME (1000 * 10)
// alliances
extern uint8_t alliances[MAX_PLAYER_SLOTS][MAX_PLAYER_SLOTS];
extern PlayerMask alliancebits[MAX_PLAYER_SLOTS];
extern PlayerMask satuplinkbits;
/** Check no alliance has formed. This is a define to make sure we inline it. */
#define aiCheckAlliances(_s1, _s2) (alliances[_s1][_s2] == ALLIANCE_FORMED)
/* Initialise the AI system */
bool aiInitialise(void);
/* Shutdown the AI system */
bool aiShutdown(void);
/* Initialise a droid structure for AI */
//extern bool aiInitDroid(DROID *psDroid);
/* Do the AI for a droid */
void aiUpdateDroid(DROID *psDroid);
// Find the nearest best target for a droid
// returns integer representing quality of choice, -1 if failed
int aiBestNearestTarget(DROID *psDroid, BASE_OBJECT **ppsObj, int weapon_slot, int extraRange = 0);
// Are there a lot of bullets heading towards the structure?
bool aiObjectIsProbablyDoomed(BASE_OBJECT *psObject);
// Update the expected damage of the object.
void aiObjectAddExpectedDamage(BASE_OBJECT *psObject, SDWORD damage);
/* See if there is a target in range added int weapon_slot*/
bool aiChooseTarget(BASE_OBJECT *psObj,
BASE_OBJECT **ppsTarget, int weapon_slot, bool bUpdateTarget, UWORD *targetOrigin);
/** See if there is a target in range for Sensor objects. */
bool aiChooseSensorTarget(BASE_OBJECT *psObj, BASE_OBJECT **ppsTarget);
/*set of rules which determine whether the weapon associated with the object
can fire on the propulsion type of the target*/
bool validTarget(BASE_OBJECT *psObject, BASE_OBJECT *psTarget, int weapon_slot);
// Check if any of the weapons can target the target
bool checkAnyWeaponsTarget(BASE_OBJECT *psObject, BASE_OBJECT *psTarget);
// Check properties of the AllianceType enum.
static inline bool alliancesFixed(int t) { return t != ALLIANCES; }
static inline bool alliancesSharedVision(int t) { return t == ALLIANCES_TEAMS || t == ALLIANCES_UNSHARED; }
static inline bool alliancesSharedResearch(int t) { return t == ALLIANCES || t == ALLIANCES_TEAMS; }
static inline bool alliancesSetTeamsBeforeGame(int t) { return t == ALLIANCES_TEAMS || t == ALLIANCES_UNSHARED; }
static inline bool alliancesCanGiveResearchAndRadar(int t) { return t == ALLIANCES; }
static inline bool alliancesCanGiveAnything(int t) { return t != NO_ALLIANCES; }
#endif // __INCLUDED_SRC_AI_H__