be_ai_weap.c

quakeIII源码这个不用我多说吧

				FreeMemory(wc);
				FreeSource(source);
				return NULL;
			} //end if
			wc->numprojectiles++;
		} //end if
		else
		{
			botimport.Print(PRT_ERROR, "unknown definition %s in %s\n", token.string, path);
			FreeMemory(wc);
			FreeSource(source);
			return NULL;
		} //end else
	} //end while
	FreeSource(source);
	//fix up weapons
	for (i = 0; i < wc->numweapons; i++)
	{
		if (!wc->weaponinfo[i].valid) continue;
		if (!wc->weaponinfo[i].name[0])
		{
			botimport.Print(PRT_ERROR, "weapon %d has no name in %s\n", i, path);
			FreeMemory(wc);
			return NULL;
		} //end if
		if (!wc->weaponinfo[i].projectile[0])
		{
			botimport.Print(PRT_ERROR, "weapon %s has no projectile in %s\n", wc->weaponinfo[i].name, path);
			FreeMemory(wc);
			return NULL;
		} //end if
		//find the projectile info and copy it to the weapon info
		for (j = 0; j < wc->numprojectiles; j++)
		{
			if (!strcmp(wc->projectileinfo[j].name, wc->weaponinfo[i].projectile))
			{
				Com_Memcpy(&wc->weaponinfo[i].proj, &wc->projectileinfo[j], sizeof(projectileinfo_t));
				break;
			} //end if
		} //end for
		if (j == wc->numprojectiles)
		{
			botimport.Print(PRT_ERROR, "weapon %s uses undefined projectile in %s\n", wc->weaponinfo[i].name, path);
			FreeMemory(wc);
			return NULL;
		} //end if
	} //end for
	if (!wc->numweapons) botimport.Print(PRT_WARNING, "no weapon info loaded\n");
	botimport.Print(PRT_MESSAGE, "loaded %s\n", path);
	return wc;
} //end of the function LoadWeaponConfig
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
int *WeaponWeightIndex(weightconfig_t *wwc, weaponconfig_t *wc)
{
	int *index, i;

	//initialize item weight index
	index = (int *) GetClearedMemory(sizeof(int) * wc->numweapons);

	for (i = 0; i < wc->numweapons; i++)
	{
		index[i] = FindFuzzyWeight(wwc, wc->weaponinfo[i].name);
	} //end for
	return index;
} //end of the function WeaponWeightIndex
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void BotFreeWeaponWeights(int weaponstate)
{
	bot_weaponstate_t *ws;

	ws = BotWeaponStateFromHandle(weaponstate);
	if (!ws) return;
	if (ws->weaponweightconfig) FreeWeightConfig(ws->weaponweightconfig);
	if (ws->weaponweightindex) FreeMemory(ws->weaponweightindex);
} //end of the function BotFreeWeaponWeights
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
int BotLoadWeaponWeights(int weaponstate, char *filename)
{
	bot_weaponstate_t *ws;

	ws = BotWeaponStateFromHandle(weaponstate);
	if (!ws) return BLERR_CANNOTLOADWEAPONWEIGHTS;
	BotFreeWeaponWeights(weaponstate);
	//
	ws->weaponweightconfig = ReadWeightConfig(filename);
	if (!ws->weaponweightconfig)
	{
		botimport.Print(PRT_FATAL, "couldn't load weapon config %s\n", filename);
		return BLERR_CANNOTLOADWEAPONWEIGHTS;
	} //end if
	if (!weaponconfig) return BLERR_CANNOTLOADWEAPONCONFIG;
	ws->weaponweightindex = WeaponWeightIndex(ws->weaponweightconfig, weaponconfig);
	return BLERR_NOERROR;
} //end of the function BotLoadWeaponWeights
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void BotGetWeaponInfo(int weaponstate, int weapon, weaponinfo_t *weaponinfo)
{
	bot_weaponstate_t *ws;

	if (!BotValidWeaponNumber(weapon)) return;
	ws = BotWeaponStateFromHandle(weaponstate);
	if (!ws) return;
	if (!weaponconfig) return;
	Com_Memcpy(weaponinfo, &weaponconfig->weaponinfo[weapon], sizeof(weaponinfo_t));
} //end of the function BotGetWeaponInfo
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
int BotChooseBestFightWeapon(int weaponstate, int *inventory)
{
	int i, index, bestweapon;
	float weight, bestweight;
	weaponconfig_t *wc;
	bot_weaponstate_t *ws;

	ws = BotWeaponStateFromHandle(weaponstate);
	if (!ws) return 0;
	wc = weaponconfig;
	if (!weaponconfig) return 0;

	//if the bot has no weapon weight configuration
	if (!ws->weaponweightconfig) return 0;

	bestweight = 0;
	bestweapon = 0;
	for (i = 0; i < wc->numweapons; i++)
	{
		if (!wc->weaponinfo[i].valid) continue;
		index = ws->weaponweightindex[i];
		if (index < 0) continue;
		weight = FuzzyWeight(inventory, ws->weaponweightconfig, index);
		if (weight > bestweight)
		{
			bestweight = weight;
			bestweapon = i;
		} //end if
	} //end for
	return bestweapon;
} //end of the function BotChooseBestFightWeapon
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void BotResetWeaponState(int weaponstate)
{
	struct weightconfig_s *weaponweightconfig;
	int *weaponweightindex;
	bot_weaponstate_t *ws;

	ws = BotWeaponStateFromHandle(weaponstate);
	if (!ws) return;
	weaponweightconfig = ws->weaponweightconfig;
	weaponweightindex = ws->weaponweightindex;

	//Com_Memset(ws, 0, sizeof(bot_weaponstate_t));
	ws->weaponweightconfig = weaponweightconfig;
	ws->weaponweightindex = weaponweightindex;
} //end of the function BotResetWeaponState
//========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//========================================================================
int BotAllocWeaponState(void)
{
	int i;

	for (i = 1; i <= MAX_CLIENTS; i++)
	{
		if (!botweaponstates[i])
		{
			botweaponstates[i] = GetClearedMemory(sizeof(bot_weaponstate_t));
			return i;
		} //end if
	} //end for
	return 0;
} //end of the function BotAllocWeaponState
//========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//========================================================================
void BotFreeWeaponState(int handle)
{
	if (handle <= 0 || handle > MAX_CLIENTS)
	{
		botimport.Print(PRT_FATAL, "move state handle %d out of range\n", handle);
		return;
	} //end if
	if (!botweaponstates[handle])
	{
		botimport.Print(PRT_FATAL, "invalid move state %d\n", handle);
		return;
	} //end if
	BotFreeWeaponWeights(handle);
	FreeMemory(botweaponstates[handle]);
	botweaponstates[handle] = NULL;
} //end of the function BotFreeWeaponState
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
int BotSetupWeaponAI(void)
{
	char *file;

	file = LibVarString("weaponconfig", "weapons.c");
	weaponconfig = LoadWeaponConfig(file);
	if (!weaponconfig)
	{
		botimport.Print(PRT_FATAL, "couldn't load the weapon config\n");
		return BLERR_CANNOTLOADWEAPONCONFIG;
	} //end if

#ifdef DEBUG_AI_WEAP
	DumpWeaponConfig(weaponconfig);
#endif //DEBUG_AI_WEAP
	//
	return BLERR_NOERROR;
} //end of the function BotSetupWeaponAI
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void BotShutdownWeaponAI(void)
{
	int i;

	if (weaponconfig) FreeMemory(weaponconfig);
	weaponconfig = NULL;

	for (i = 1; i <= MAX_CLIENTS; i++)
	{
		if (botweaponstates[i])
		{
			BotFreeWeaponState(i);
		} //end if
	} //end for
} //end of the function BotShutdownWeaponAI