ai.cpp

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/*
 * Copyright (C) Volition, Inc. 1999.  All rights reserved.
 *
 * All source code herein is the property of Volition, Inc. You may not sell 
 * or otherwise commercially exploit the source or things you created based on the 
 * source.
 *
*/

#include "ai/ai.h"
#include "object/object.h"
#include "ship/ship.h"


int Total_goal_target_names = 0;
char Goal_target_names[MAX_GOAL_TARGET_NAMES][NAME_LENGTH];
ai_info Ai_info[MAX_AI_INFO];
ai_info *Player_ai;

int ai_get_slot(int shipnum)
{
        int     i;

        for (i=0; i<MAX_AI_INFO ; i++)
                if (Ai_info[i].shipnum == -1)   {
                        Ai_info[i].shipnum = shipnum;
                        return i;
                }

        Warning( LOCATION, "Couldn't get AI slot" );
        Int3();

        return -1;
}

void ai_free_slot(int ai_index)
{
        Assert( (ai_index >= 0) && (ai_index < MAX_AI_INFO) );

        Ai_info[ai_index].shipnum = -1;
}

int get_wingnum(int objnum)
{
        int     shipnum, ai_index;

        shipnum = Objects[objnum].instance;

        ai_index = Ships[shipnum].ai_index;

        return Ai_info[ai_index].wing;
}

void set_wingnum(int objnum, int wingnum)
{
        int     shipnum, ai_index;

        Assert(Objects[objnum].type == OBJ_SHIP);

        shipnum = Objects[objnum].instance;

        Assert((shipnum >= 0) && (shipnum < MAX_SHIPS));

        ai_index = Ships[shipnum].ai_index;

        Assert( (ai_index >= 0) && (ai_index < MAX_AI_INFO) );

        Ai_info[ai_index].wing = wingnum;
}

char *ai_get_goal_target_name(const char *name, int *index)
{
        Assert(name != NULL);
        Assert(index != NULL);
        int i;

        for (i=0; i < Total_goal_target_names; i++)
                if (!stricmp(name, Goal_target_names[i])) {
                        *index = i;
                        return Goal_target_names[i];
                }

        Assert(Total_goal_target_names < MAX_GOAL_TARGET_NAMES);
        Assertion(strlen(name) <= NAME_LENGTH - 1, "Goal target name %s is too long. Needs to be 31 characters or less.", name);
        i = Total_goal_target_names++;
        strcpy_s(Goal_target_names[i], name);
        *index = i;
        return Goal_target_names[i];
}