Checking Encumberance

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Papaya Pete
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9 months 3 weeks ago - 9 months 3 weeks ago #6928 by Papaya Pete

Checking Encumberance was created by Papaya Pete

So sometimes, instead of having a flag that just says, "You cannot use this, Rogue," you want to have a way to stack a fat penalty onto a rogue wearing plate mail armor.

As I was starting to get back into building for my mud, I realized I forgot to put this in. I decided to write a function in the act.item.c file, called check_encumbrance.

int check_encumbrance(struct char_data *ch) {
    int encumbrance = 0;

    if (GET_EQ(ch, WEAR_BODYARM)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_BODYARM), ITEM_ISLIGHT))
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_BODYARM), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_BODYARM), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_ARMARM)) {
        send_to_char(ch, "Ok, you're wearing arm armor.\r\n");
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_ARMARM), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY) {
            send_to_char(ch, "And it is light.\r\n");
            encumbrance = ENC_LIGHT;
        }
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_ARMARM), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY) {
            send_to_char(ch, "And it is moderate.\r\n");
            encumbrance = ENC_MEDIUM;
        }
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_ARMARM), ITEM_ISHEAVY)) {
            send_to_char(ch, "And it is heavy.\r\n");
            encumbrance = ENC_HEAVY;
        }
    }
    if (GET_EQ(ch, WEAR_LEGARM)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_LEGARM), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_LEGARM), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_LEGARM), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_HEAD)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_HEAD), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_HEAD), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_HEAD), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_FEET)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_FEET), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_FEET), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_FEET), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_WAIST)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WAIST), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WAIST), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WAIST), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_NECK_1)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_1), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_1), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_1), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_NECK_2)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_2), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_2), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_2), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_WRIST_L)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_L), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_L), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_L), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_WRIST_R)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_R), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_R), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_WRIST_R), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }
    if (GET_EQ(ch, WEAR_SHIELD)) {
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_SHIELD), ITEM_ISLIGHT) && encumbrance != ENC_MEDIUM && encumbrance != ENC_HEAVY)
            encumbrance = ENC_LIGHT;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_SHIELD), ITEM_ISMEDIUM) && encumbrance != ENC_HEAVY)
            encumbrance = ENC_MEDIUM;
        if (OBJ_FLAGGED(GET_EQ(ch, WEAR_SHIELD), ITEM_ISHEAVY))
            encumbrance = ENC_HEAVY;
    }

    send_to_char(ch, "Your encumbrance value is %d.\r\n", encumbrance);
    switch (encumbrance) {
        case ENC_LIGHT:
            send_to_char(ch, "\tgSome of the armor you're wearing is slightly restricting you, making some skills a little harder to perform.\tn\t\n");
            break;
        case ENC_MEDIUM:
            send_to_char(ch, "\tySome of your armor is making it pretty hard to perform some skills...\tn\r\n");
            break;
        case ENC_HEAVY:
            send_to_char(ch, "\tRSome of your armor is really heavy, making some skills VERY difficult to do!\tn\r\n");
            break;
        default:
            /* You're not encumbered and are Ok. */
            send_to_char(ch, "You're not encumbered at all.  This message is for testing purposes only.\r\n");
            break;
    }

    return (encumbrance);
}

I've added wear slots for wearing arm, leg, and body armor over the arm, leg, and body wear slots (you can wear clothes under that plate mail, PLEASE WEAR CLOTHES UNDER THE PLATE MAIL). So, WEAR_ARMARM is referencing Arm Armor. I threw in the send_to_char statements in there for testing purposes (my admin character has a pair of sleeves so that's why I put it in there).

Here's the problem I'm having so far: the function is called just fine (check_encumbrance(ch) at the very end of the perform_wear function in the same file). However, it fails any check to see if--
....
....
....
And I just realized the problem. Those sleeves were set to be worn on the arms as clothing, not armor. Nevermind!

Uhhh.... so... have a new snippet? Thanksbye!

Edit: Thank you, Thomas, for the idea of adding values to struct like #define ENC_LIGHT 2, helps me out a whole lot!

Last edit: 9 months 3 weeks ago by Papaya Pete.

The following user(s) said Thank You: thomas, zusuk

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zusuk
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9 months 3 weeks ago #6929 by zusuk

Replied by zusuk on topic Checking Encumberance

Very interesting way of set this up!

It got me thinking how complicated it would be to set up a full encumbrance system, including items worn and items carried. I remember a MUD having a system like that, it made "weightless" bags (bags that would reduce the weight of its contents) extremely valuable.

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www.luminariMUD.com

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luminariMUD.com:4100

The following user(s) said Thank You: Papaya Pete

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Papaya Pete
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9 months 2 weeks ago - 9 months 2 weeks ago #6933 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

Thinking about it, it wouldn't be that difficult. Let's say you want to have your encumbrance have an effect on combat and on movement.

I'm not really going to write the code itself (just pseudo-code?), but now that you've given me the idea, this is kind of how I would go about doing it. (Note, in this example, I'd replace my check_encumbrance's name with check_armor)

int check_encumbrance (struct char_data *ch, int situation)
{
    int maxcarry = *insert max carry of ch*;
    int current = *insert current weight of ch*;
    int condition = 0, penalty = 0;
    float percent = (float)current / (float)maxcarry;

    if (percent <= .25) condition = ENC_NONE;
    else if (percent <= .50) condition = ENC_LIGHT;
    else if (percent <= .75) condition = ENC_MOD;
    else if (percent <= 1) condition = ENC_HEAVY;

/* If the situation is combat, penalty of 1, 2, or 4 is applied to attacks.
    However, if the situation is movement, penalty is a multiplier to the
    movement cost.  Light encumbrance would offer no penalty. */
    switch (situation) {
         case SIT_COMBAT:
                switch (condition) {
                     case ENC_LIGHT:
                          penalty = 1;
                          break;
                     case ENC_MOD:
                          penalty = 2;
                          break;
                     case ENC_HEAVY:
                          penalty = 4;
                          break;
                     case default:
                          penalty = 0;
                          break;
                }
                break;
          case SIT_MOVEMENT:
                switch (condition) {
                     case ENC_LIGHT:
                          penalty = 1;
                          break;
                     case ENC_LIGHT:
                          penalty = 2;
                          break;
                     case ENC_HEAVY:
                          penalty = 3;
                          break;
                     case default:
                          penalty = 1;
                          break;
                }
                break;
          case default:
                send_to_char(ch, "Not supposed to see this.\r\n");
                break;
       }

    return (penalty);

It would be easy enough to add a skill penalty as well to encumbrance. Add another case statement to the switch (situation). It depends on how detailed you want to get.

People will probably want to hang me high and dry if I put this into my mud (if I ever open it... getting out of one area involves going through mountains and fighting the elements/illnesses that could be fatal). Still a very cool idea.

Edit:
You could add more info into the inventory screen, saying not only how much a player can carry but also how many items they can hold in inventory and current encumbrance level. I'd want something that would tell the player easy enough why it's costing him 10 movement points to go down the street in town, but not in a way that spams him too much.

Last edit: 9 months 2 weeks ago by Papaya Pete. Reason: Forgot an idea. And how to format properly.

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zusuk
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9 months 2 weeks ago #6940 by zusuk

Replied by zusuk on topic Checking Encumberance

Yeah we have been erring on the side of player-convenience over realism :) People can carry insane amounts of stuff and weight until we sharpen up and make sure the house system works reliably.

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luminariMUD.com:4100

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JTP
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9 months 2 weeks ago - 9 months 2 weeks ago #6943 by JTP

Replied by JTP on topic Checking Encumberance

Isnt the weight of items vs a players strength limitten How much they Can carry?

So If they cant carry anymore just make do_move Or is it perform_move prevent them from moving. Where is it checked if they cant carry anymore ?

Last edit: 9 months 2 weeks ago by JTP.

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Papaya Pete
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9 months 2 weeks ago #6944 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

@Jan it is located in act.item.c, can't remember the exact name but just search for the message, "You can't carry that much!" There might be a movement check too, that would be in act.movement.c.

@Mosheh reliable player housing? What improvements are you going to make?
Side note, you would have to make a list of checks to see if a player has something worn in slot x, y, z, etc. And add that to the total encumbrance.

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JTP
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9 months 2 weeks ago #6945 by JTP

Replied by JTP on topic Checking Encumberance

On tbamud it seems when i cant carry more, auto loot still picks up.

Is that intended ?

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Papaya Pete
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9 months 2 weeks ago #6946 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

Not sure, there is no check for weight under simple_move, so I have the feeling it will refuse to pick things up.

I am planning on writing this up into a snippet (armor skill penalties and encumbrance, along with a slightly different output for "inventory" command) and posting it as well.

Not sure who uses these snippets, but at least if something happens to my copy it will be posted on here.

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JTP
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9 months 2 weeks ago #6948 by JTP

Replied by JTP on topic Checking Encumberance

Look forward to see what you have done

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zusuk
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9 months 2 weeks ago #6949 by zusuk

Replied by zusuk on topic Checking Encumberance

Morgan, players report that sometimes they return to their house and there is nothing there. I think there is a stock issue with losing house contents during certain crashes, but I am not 100% sure. It is on our todo list, but because we are slowly moving more and more of the saved data to databases instead of files, it may be a while until we get to it ;p

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zusuk
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9 months 2 weeks ago #6950 by zusuk

Replied by zusuk on topic Checking Encumberance

Wait I think Ripley did fix houses on our MUD ;p I guess we just haven't gotten to implementing an encumbrance system yet :)

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Papaya Pete
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9 months 2 weeks ago #6951 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

Ah glad to hear that issue was resolved! I think that problem is likely something very beyond my very meager programming skills; I likely wouldn't have player housing (but it would be very awesome).

So I reworked the inventory display a little bit, and also got the above rough draft of the check_encumbrance function up and running. Not only does it count the weight in a player's inventory, it also includes the equipment worn as well!

Over in act.informative, here's do_inventory redone.

ACMD(do_inventory)
{
  send_to_char(ch, "Current Weight: %d      Max Weight: %d\r\n\r\n", check_encumbrance(ch, SIT_INV_WNUMBER), CAN_CARRY_W(ch));
  send_to_char(ch, "         Items: %d      Max Items: %d\r\n", IS_CARRYING_N(ch), CAN_CARRY_N(ch));
  send_to_char(ch, "          Encumbrance Rating: ");
  check_encumbrance(ch, SIT_INV_MESSAGE);
  send_to_char(ch, "\r\nInventory:\r\n");
  list_obj_to_char(ch->carrying, ch, SHOW_OBJ_SHORT, TRUE);
}

Over in structs.h, added in these.

/* How much weight is a character carrying?  Light, moderate, or heavy load? */
#define ENC_LIGHT          1
#define ENC_MOD            2
#define ENC_HEAVY          3
#define ENC_NONE           4

/* Used for determining situations that come up when inquiring about encumbrance. */
#define SIT_MOVEMENT       1
#define SIT_INV_MESSAGE    2
#define SIT_INV_WNUMBER    3

Over in act.items, here's the check_encumbrance function.

int check_encumbrance(struct char_data *ch, int situation) {
    int maxcarry = CAN_CARRY_W(ch);
    int current = IS_CARRYING_N(ch);
    int condition = 0, penalty = 0;
    float percent = 0;

    /* So we've got the max carry and current weight carried. Time to check EQ slots and tally that weight up! */
     if (GET_EQ(ch, WEAR_LIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_LIGHT));
     if (GET_EQ(ch, WEAR_FINGER_R)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_FINGER_R));
     if (GET_EQ(ch, WEAR_FINGER_L)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_FINGER_L));
     if (GET_EQ(ch, WEAR_NECK_1)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_NECK_1));
     if (GET_EQ(ch, WEAR_NECK_2)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_NECK_2));
     if (GET_EQ(ch, WEAR_BODY)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_BODY));
     if (GET_EQ(ch, WEAR_HEAD)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_HEAD));
     if (GET_EQ(ch, WEAR_LEGS)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_LEGS));
     if (GET_EQ(ch, WEAR_FEET)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_FEET));
     if (GET_EQ(ch, WEAR_HANDS)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_HANDS));
     if (GET_EQ(ch, WEAR_ARMS)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_ARMS));
     if (GET_EQ(ch, WEAR_SHIELD)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_SHIELD));
     if (GET_EQ(ch, WEAR_ABOUT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_ABOUT));
     if (GET_EQ(ch, WEAR_WAIST)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_WAIST));
     if (GET_EQ(ch, WEAR_WRIST_R)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_WRIST_R));
     if (GET_EQ(ch, WEAR_WRIST_L)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_WRIST_L));
     if (GET_EQ(ch, WEAR_WIELD)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_WIELD));
     if (GET_EQ(ch, WEAR_HOLD)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_HOLD));
     if (GET_EQ(ch, WEAR_BACKPACK)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_BACKPACK));
     if (GET_EQ(ch, WEAR_DWIELD)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_DWIELD));
     if (GET_EQ(ch, WEAR_BODYARM)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_BODYARM));
     if (GET_EQ(ch, WEAR_ARMARM)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_ARMARM));
     if (GET_EQ(ch, WEAR_LEGARM)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_LEGARM));

    percent = (float)current / (float)maxcarry;
    if (percent <= .25) condition = ENC_NONE;
    else if (percent <= .50) condition = ENC_LIGHT;
    else if (percent <= .75) condition = ENC_MOD;
    else if (percent <= 1) condition = ENC_HEAVY;

/* If the situation is combat, penalty of 1, 2, or 4 is applied to attacks.
    However, if the situation is movement, penalty is a multiplier to the
    movement cost.  Light encumbrance would offer no penalty. */
    switch (situation) {
          case SIT_MOVEMENT:
                switch (condition) {
                     case ENC_LIGHT:
                          penalty = 1;
                          break;
                     case ENC_MOD:
                          penalty = 2;
                          break;
                     case ENC_HEAVY:
                          penalty = 3;
                          break;
                     default:
                          penalty = 1;
                          break;
                }
                break;
          case SIT_INV_MESSAGE:
                switch (condition) {
                    case ENC_LIGHT:
                        send_to_char(ch, "\tGLight\tn");
                        break;
                    case ENC_MOD:
                        send_to_char(ch, "\tYModerate\tn");
                        break;
                    case ENC_HEAVY:
                        send_to_char(ch, "\tRHeavy\tn");
                        break;
                    default:
                        send_to_char(ch, "\tWNone\tn");
                        break;
                }
                return (0);
                break;
          case SIT_INV_WNUMBER:
              return (current);
              break;
    }

    return (penalty);
}

I removed the combat penalty portion, though that could be very easily added once again. So far, it doesn't have any added effect other than "Oh no I'm close to carrying my limit!" Oh wait... forgot one last bit of code. Still in act.item.

if (!IS_NPC(ch) && !PRF_FLAGGED(ch, PRF_NOHASSLE)) {
  if (IS_CARRYING_N(ch) >= CAN_CARRY_N(ch)) {
    act("$p: you can't carry that many items.", FALSE, ch, obj, 0, TO_CHAR);
    return (0);
  } else if ((check_encumbrance(ch, SIT_INV_WNUMBER) + GET_OBJ_WEIGHT(obj)) > CAN_CARRY_W(ch)) { // <----- This is the only line that is changed.
    act("$p: you can't carry that much weight.", FALSE, ch, obj, 0, TO_CHAR);
    return (0);
  }
}

Now the player's total carried weight (inventory + eq) is considered instead of just their inventory weight.

Will do more tomorrow.

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zusuk
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9 months 2 weeks ago #6952 by zusuk

Replied by zusuk on topic Checking Encumberance

Yeah houses are part of stock TBA, you would have to check with other folks with regular players that actually use the house code to dispute/verify the crash issue with saving items in a house though :) It very well could be something we messed up along the way.

Thanks for your encumbrance contribution! If we decide to add that mechanic I will definitely stop back at this thread :)

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JTP
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9 months 2 weeks ago #6953 by JTP

Replied by JTP on topic Checking Encumberance

I added a backpack slot, so items in a container like a bag also needs to be alculated. Or just a container from People's inventory.

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Papaya Pete
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9 months 2 weeks ago #6954 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

@Mosheh You're welcome! I enjoy building on a mud, but it is just as satisfying (if not more) to code something in. I want to say I remember reading about an issue with crashes and housing, but that was a while back.

@Jan Ah ha, they already are calculated. :) The character I tested with had a backpack full of miscellaneous items and a pair of old scale mail sleeves. The backpack normally weighed 2, but with all the items in it total was 32. Sleeves weighed 6. All of it showed up in the inventory screen's "Current Weight" readout. :)

Just at a glance, I was worried too that I would have to figure out how to calculate the total weight of all items in a container. Thankfully, the code is already there, for which I am very grateful.

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9 months 2 weeks ago #6955 by JTP

Replied by JTP on topic Checking Encumberance

Good that you already tested containers. Was just a thought :)

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Papaya Pete
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9 months 2 weeks ago #6962 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

Sorry about not posting this sooner. I was working on adding in items for crafting skills.

So using these functions, check_armor and check_encumbrance, is pretty easy. For encumbrance increasing movement cost, you just do the following:

/* All checks passed, nothing will prevent movement now other than lack of
   * move points. */
  /* move points needed is avg. move loss for src and destination sect type */
  need_movement = (movement_loss[SECT(was_in)] +
		   movement_loss[SECT(going_to)]) / 2;

  need_movement *= check_encumbrance(ch, SIT_MOVEMENT); // <----- Add me!

  /* Move Point Requirement Check */
  if (GET_MOVE(ch) < need_movement && !IS_NPC(ch))
  {
    if (need_specials_check && ch->master)
      send_to_char(ch, "You are too exhausted to follow.\r\n");
    else
      send_to_char(ch, "You are too exhausted.\r\n");

    return (0);
  }

Very simple, just a single line needs to be added. It's almost just as easy for doing armor penalties. Let's say you want to make it so that guy in full plate can't sneak and hide so easily. Add this...

int armorpenalty = check_armor(ch);

/* Insert whatever skill code here */

percent = rand_number(1, 101) + armorpenalty;

The armorpenalty variable will just add onto the die roll. Just keep in mind that in structs.h... well... let me just show you an example.

#define ARM_HEAVY            70
#define ARM_MEDIUM         30
#define ARM_LIGHT             10
#define ARM_NONE              0

So whenever check_armor(ch) is called, ch's penalty to select skills when wearing heavy armor will be 70, 30 for medium armor, 10 for light. If he's wearing VERY light armor then no penalty is applied.

I haven't tested this much at all; still working on adding in crafting items. When I find any bugs I'll fix as best as I can and post them here. Or, if you find something, lemme know and I'll get to work on it. Thanks for reading!

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Papaya Pete
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9 months 2 weeks ago - 9 months 2 weeks ago #6963 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

So right after I posted that, I found one little bug: shops also checked to see if you could carry an item before selling it to you! So, I found that every time it made a reference to IS_CARRYING_W(ch), you replaced it with check_encumbrance(ch, SIT_INV_WNUMBER); compiles just fine but still working on other things before testing.

Also, it was mentioned that items with no weight in one mud being very powerful. Now, such items can be created by adding the flag ITEM_NOWEIGHT in the same #define list as ARM_HEAVY, ARM_LIGHT, etc. In check_encumbrance I added another condition it checks for when counting the weight of your worn gear. Here's a line to show an example. Well, a few lines.

if (GET_EQ(ch, WEAR_LIGHT) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_LIGHT), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_LIGHT));
     if (GET_EQ(ch, WEAR_FINGER_R) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_FINGER_R), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_FINGER_R));
     if (GET_EQ(ch, WEAR_FINGER_L) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_FINGER_L), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_FINGER_L));
     if (GET_EQ(ch, WEAR_NECK_1) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_1), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_NECK_1));
     if (GET_EQ(ch, WEAR_NECK_2) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_NECK_2), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_NECK_2));
     if (GET_EQ(ch, WEAR_BODY) && !OBJ_FLAGGED(GET_EQ(ch, WEAR_BODY), ITEM_NOWEIGHT)) current += GET_OBJ_WEIGHT(GET_EQ(ch, WEAR_BODY));

Not that this is all of the wear positions, but you get the idea. :)

What about items laying about in your inventory? The code adds and subtracts weight from IS_CARRYING_W when items are picked up and dropped/given away in handler.c. So, made the following small changes, which compile fine but still haven't tested yet.

In obj_to_char function...

ch->carrying = object;
    object->carried_by = ch;
    IN_ROOM(object) = NOWHERE;
    if (!OBJ_FLAGGED(object, ITEM_NOWEIGHT)) IS_CARRYING_W(ch) += GET_OBJ_WEIGHT(object); // <--- Changed by adding that if statement to the front.
    IS_CARRYING_N(ch)++;

And obj_from_char function...

if (!IS_NPC(object->carried_by))
    SET_BIT_AR(PLR_FLAGS(object->carried_by), PLR_CRASH);

  if (!OBJ_FLAGGED(object, ITEM_NOWEIGHT)) IS_CARRYING_W(object->carried_by) -= GET_OBJ_WEIGHT(object); // <---- Same thing. New if statement.
  IS_CARRYING_N(object->carried_by)--;
  object->carried_by = NULL;

I'm still working on some other stuff but when I finish with that I'll undoubtedly test all of this out and fix any OTHER mistakes I have made. Durp.

Edit:
You know, like forgetting that weight check when pick-pocketing an item? Did this small change to fix.

if (check_encumbrance(ch, SIT_INV_WNUMBER) + GET_OBJ_WEIGHT(obj) < CAN_CARRY_W(ch)) { // changed IS_CARRYING_W(ch) with check_encumbrance

that was found in do_steal in act.other.c.

Last edit: 9 months 2 weeks ago by Papaya Pete.

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Papaya Pete
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9 months 1 week ago #6966 by Papaya Pete

Replied by Papaya Pete on topic Checking Encumberance

I've done some testing with encumbrance; the movement cost increase does indeed work. I had a ranger running around adventuring in some woods, and once he became moderately encumbered it was more slow going. I did catch a small bug.

int check_encumbrance(struct char_data *ch, int situation) {
    int maxcarry = CAN_CARRY_W(ch);
    int current = IS_CARRYING_W(ch); // <---------------- W instead of N, was messing everything up.
    int condition = 0, penalty = 0;
    float percent = 0;

Seems to be fixed after that. I noticed it when I took of my goods-laden backpack.

On a side note, I also found another couple bugs and a crash with object durability; I was redoing how item damage is done, making a new function that is called. I added in some code, too, reusing some of the OVALs so that object material is more easily stored. Better than using flags. My plan is to add in fire, steam, electrical, etc. damage that will deal different amounts of damage to gear based on the material of the piece of equipment. Not going to have damage dealt to bags and clothes just to be convenient (and a little kinder) to players. Also, doing item damage this way means I can differentiate between, say, copper and iron other than giving one higher durability than the other.

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