| 1 | /* |
1 | /* |
| 2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
| 3 | |
3 | * |
| 4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
| 5 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
| 6 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
| 7 | |
7 | * |
| 8 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
11 | * (at your option) any later version. |
| 12 | |
12 | * |
| 13 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 17 | |
17 | * |
| 18 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | |
21 | * |
| 22 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
| 23 | */ |
23 | */ |
| 24 | |
24 | |
| 25 | #include <global.h> |
25 | #include <global.h> |
| 26 | #include <funcpoint.h> |
26 | #include <funcpoint.h> |
| 27 | |
27 | |
| 28 | /* Handy little macro that adds exp and keeps it within bounds. Since |
28 | /* Handy little macro that adds exp and keeps it within bounds. Since |
| … | |
… | |
| 677 | */ |
677 | */ |
| 678 | |
678 | |
| 679 | void |
679 | void |
| 680 | object::drain_stat () |
680 | object::drain_stat () |
| 681 | { |
681 | { |
| 682 | drain_specific_stat (RANDOM () % NUM_STATS); |
682 | drain_specific_stat (rndm (NUM_STATS)); |
| 683 | } |
683 | } |
| 684 | |
684 | |
| 685 | void |
685 | void |
| 686 | object::drain_specific_stat (int deplete_stats) |
686 | object::drain_specific_stat (int deplete_stats) |
| 687 | { |
687 | { |
| … | |
… | |
| 755 | return; |
755 | return; |
| 756 | |
756 | |
| 757 | /* Randomly change the players luck. Basically, we move it |
757 | /* Randomly change the players luck. Basically, we move it |
| 758 | * back neutral (if greater>0, subtract, otherwise add) |
758 | * back neutral (if greater>0, subtract, otherwise add) |
| 759 | */ |
759 | */ |
| 760 | if (RANDOM () % (FABS (tmp->stats.luck)) >= RANDOM () % 30) |
760 | if (rndm (abs (tmp->stats.luck)) >= rndm (30)) |
| 761 | { |
761 | { |
| 762 | int diff = tmp->stats.luck > 0 ? -1 : 1; |
762 | int diff = tmp->stats.luck > 0 ? -1 : 1; |
| 763 | |
763 | |
| 764 | stats.luck += diff; |
764 | stats.luck += diff; |
| 765 | tmp->stats.luck += diff; |
765 | tmp->stats.luck += diff; |
| … | |
… | |
| 926 | speed = arch->clone.speed; |
926 | speed = arch->clone.speed; |
| 927 | |
927 | |
| 928 | /* OK - we've reset most all the objects attributes to sane values. |
928 | /* OK - we've reset most all the objects attributes to sane values. |
| 929 | * now go through and make adjustments for what the player has equipped. |
929 | * now go through and make adjustments for what the player has equipped. |
| 930 | */ |
930 | */ |
| 931 | |
|
|
| 932 | for (tmp = inv; tmp; tmp = tmp->below) |
931 | for (tmp = inv; tmp; tmp = tmp->below) |
| 933 | { |
932 | { |
| 934 | /* See note in map.c:update_position about making this additive |
933 | /* See note in map.c:update_position about making this additive |
| 935 | * since light sources are never applied, need to put check here. |
934 | * since light sources are never applied, need to put check here. |
| 936 | */ |
935 | */ |
| … | |
… | |
| 1021 | if (speed_reduce_from_disease == 0) |
1020 | if (speed_reduce_from_disease == 0) |
| 1022 | speed_reduce_from_disease = 1; |
1021 | speed_reduce_from_disease = 1; |
| 1023 | } |
1022 | } |
| 1024 | |
1023 | |
| 1025 | /* Pos. and neg. protections are counted seperate (-> pro/vuln). |
1024 | /* Pos. and neg. protections are counted seperate (-> pro/vuln). |
| 1026 | * (Negative protections are calculated extactly like positive.) |
1025 | * (Negative protections are calculated exactly like positive.) |
| 1027 | * Resistance from potions are treated special as well. If there's |
1026 | * Resistance from potions are treated special as well. If there's |
| 1028 | * more than one potion-effect, the bigger prot.-value is taken. |
1027 | * more than one potion-effect, the bigger prot.-value is taken. |
| 1029 | */ |
1028 | */ |
| 1030 | if (tmp->type != POTION) |
1029 | if (tmp->type != POTION) |
| 1031 | { |
1030 | { |
| … | |
… | |
| 1040 | potion_resist[i] = MAX (potion_resist[i], tmp->resist[i]); |
1039 | potion_resist[i] = MAX (potion_resist[i], tmp->resist[i]); |
| 1041 | else |
1040 | else |
| 1042 | potion_resist[i] = tmp->resist[i]; |
1041 | potion_resist[i] = tmp->resist[i]; |
| 1043 | } |
1042 | } |
| 1044 | else if (tmp->resist[i] > 0) |
1043 | else if (tmp->resist[i] > 0) |
| 1045 | prot[i] += ((100 - prot[i]) * tmp->resist[i]) / 100; |
1044 | prot[i] += ((100 - prot[i]) * tmp->resist[i]) / 100; |
| 1046 | else if (tmp->resist[i] < 0) |
1045 | else if (tmp->resist[i] < 0) |
| 1047 | vuln[i] += ((100 - vuln[i]) * (-tmp->resist[i])) / 100; |
1046 | vuln[i] += ((100 - vuln[i]) * -tmp->resist[i]) / 100; |
| 1048 | } |
1047 | } |
| 1049 | } |
1048 | } |
| 1050 | |
1049 | |
| 1051 | /* There may be other things that should not adjust the attacktype */ |
1050 | /* There may be other things that should not adjust the attacktype */ |
| 1052 | if (tmp->type != BOW && tmp->type != SYMPTOM) |
1051 | if (tmp->type != BOW && tmp->type != SYMPTOM) |
| … | |
… | |
| 1515 | if (type == PLAYER) |
1514 | if (type == PLAYER) |
| 1516 | { |
1515 | { |
| 1517 | esrv_update_stats (contr); |
1516 | esrv_update_stats (contr); |
| 1518 | esrv_update_spells (contr); |
1517 | esrv_update_spells (contr); |
| 1519 | } |
1518 | } |
|
|
1519 | |
|
|
1520 | // update the mapspace, if we are on a map |
|
|
1521 | if (!flag [FLAG_REMOVED] && map) |
|
|
1522 | map->at (x, y).flags_ = 0; |
| 1520 | } |
1523 | } |
| 1521 | |
1524 | |
| 1522 | /* |
1525 | /* |
| 1523 | * Returns true if the given player is a legal class. |
1526 | * Returns true if the given player is a legal class. |
| 1524 | * The function to add and remove class-bonuses to the stats doesn't |
1527 | * The function to add and remove class-bonuses to the stats doesn't |
| … | |
… | |
| 1609 | object *skin = NULL; /* pointer to dragon skin force */ |
1612 | object *skin = NULL; /* pointer to dragon skin force */ |
| 1610 | object *tmp = NULL; /* tmp. object */ |
1613 | object *tmp = NULL; /* tmp. object */ |
| 1611 | char buf[MAX_BUF]; /* tmp. string buffer */ |
1614 | char buf[MAX_BUF]; /* tmp. string buffer */ |
| 1612 | |
1615 | |
| 1613 | /* now grab the 'dragon_ability'-forces from the player's inventory */ |
1616 | /* now grab the 'dragon_ability'-forces from the player's inventory */ |
|
|
1617 | shstr_cmp dragon_ability_force ("dragon_ability_force"); |
|
|
1618 | shstr_cmp dragon_skin_force ("dragon_skin_force"); |
|
|
1619 | |
| 1614 | for (tmp = who->inv; tmp != NULL; tmp = tmp->below) |
1620 | for (tmp = who->inv; tmp; tmp = tmp->below) |
| 1615 | { |
|
|
| 1616 | if (tmp->type == FORCE) |
1621 | if (tmp->type == FORCE) |
| 1617 | { |
|
|
| 1618 | if (strcmp (tmp->arch->name, "dragon_ability_force") == 0) |
1622 | if (tmp->arch->name == dragon_ability_force) |
| 1619 | abil = tmp; |
1623 | abil = tmp; |
| 1620 | if (strcmp (tmp->arch->name, "dragon_skin_force") == 0) |
1624 | else if (tmp->arch->name == dragon_skin_force) |
| 1621 | skin = tmp; |
1625 | skin = tmp; |
| 1622 | } |
1626 | |
| 1623 | } |
|
|
| 1624 | /* if the force is missing -> bail out */ |
1627 | /* if the force is missing -> bail out */ |
| 1625 | if (abil == NULL) |
1628 | if (abil == NULL) |
| 1626 | return; |
1629 | return; |
| 1627 | |
1630 | |
| 1628 | /* The ability_force keeps track of maximum level ever achieved. |
1631 | /* The ability_force keeps track of maximum level ever achieved. |
| … | |
… | |
| 1951 | del_exp = check_exp_loss (tmp, (sint64) (tmp->stats.exp * fraction)); |
1954 | del_exp = check_exp_loss (tmp, (sint64) (tmp->stats.exp * fraction)); |
| 1952 | tmp->stats.exp -= del_exp; |
1955 | tmp->stats.exp -= del_exp; |
| 1953 | player_lvl_adj (op, tmp); |
1956 | player_lvl_adj (op, tmp); |
| 1954 | } |
1957 | } |
| 1955 | } |
1958 | } |
|
|
1959 | |
| 1956 | if (flag != SK_SUBTRACT_SKILL_EXP) |
1960 | if (flag != SK_SUBTRACT_SKILL_EXP) |
| 1957 | { |
1961 | { |
| 1958 | del_exp = check_exp_loss (op, exp); |
1962 | del_exp = check_exp_loss (op, exp); |
| 1959 | op->stats.exp -= del_exp; |
1963 | op->stats.exp -= del_exp; |
| 1960 | player_lvl_adj (op, NULL); |
1964 | player_lvl_adj (op, NULL); |
| 1961 | } |
1965 | } |
| 1962 | } |
1966 | } |
| 1963 | |
|
|
| 1964 | |
|
|
| 1965 | |
1967 | |
| 1966 | /* change_exp() - changes experience to a player/monster. This |
1968 | /* change_exp() - changes experience to a player/monster. This |
| 1967 | * does bounds checking to make sure we don't overflow the max exp. |
1969 | * does bounds checking to make sure we don't overflow the max exp. |
| 1968 | * |
1970 | * |
| 1969 | * The exp passed is typically not modified much by this function - |
1971 | * The exp passed is typically not modified much by this function - |
| 1970 | * it is assumed the caller has modified the exp as needed. |
1972 | * it is assumed the caller has modified the exp as needed. |
| 1971 | * skill_name is the skill that should get the exp added. |
1973 | * skill_name is the skill that should get the exp added. |
| 1972 | * flag is what to do if player doesn't have the skill. |
1974 | * flag is what to do if player doesn't have the skill. |
| 1973 | * these last two values are only used for players. |
1975 | * these last two values are only used for players. |
| 1974 | */ |
1976 | */ |
| 1975 | |
|
|
| 1976 | void |
1977 | void |
| 1977 | change_exp (object *op, sint64 exp, const char *skill_name, int flag) |
1978 | change_exp (object *op, sint64 exp, const char *skill_name, int flag) |
| 1978 | { |
1979 | { |
| 1979 | |
1980 | |
| 1980 | #ifdef EXP_DEBUG |
1981 | #ifdef EXP_DEBUG |
| … | |
… | |
| 2025 | else |
2026 | else |
| 2026 | /* note that when you lose exp, it doesn't go against |
2027 | /* note that when you lose exp, it doesn't go against |
| 2027 | * a particular skill, so we don't need to pass that |
2028 | * a particular skill, so we don't need to pass that |
| 2028 | * along. |
2029 | * along. |
| 2029 | */ |
2030 | */ |
| 2030 | subtract_player_exp (op, FABS (exp), skill_name, flag); |
2031 | subtract_player_exp (op, abs (exp), skill_name, flag); |
| 2031 | |
|
|
| 2032 | } |
2032 | } |
| 2033 | } |
2033 | } |
| 2034 | |
2034 | |
| 2035 | /* Applies a death penalty experience, the size of this is defined by the |
2035 | /* Applies a death penalty experience, the size of this is defined by the |
| 2036 | * settings death_penalty_percentage and death_penalty_levels, and by the |
2036 | * settings death_penalty_percentage and death_penalty_levels, and by the |
