1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * |
7 | * |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * the terms of the Affero GNU General Public License as published by the |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * option) any later version. |
11 | * 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 Affero GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * and the GNU General Public License along with this program. If not, see |
19 | * and the GNU General Public License along with this program. If not, see |
20 | * <http://www.gnu.org/licenses/>. |
20 | * <http://www.gnu.org/licenses/>. |
21 | * |
21 | * |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | #include <global.h> |
25 | #include <global.h> |
26 | #include <spells.h> |
26 | #include <spells.h> |
… | |
… | |
158 | sp *= (int) PATH_SP_MULT (caster, spell); |
158 | sp *= (int) PATH_SP_MULT (caster, spell); |
159 | if (!sp && spell->stats.sp) |
159 | if (!sp && spell->stats.sp) |
160 | sp = 1; |
160 | sp = 1; |
161 | |
161 | |
162 | if (spell->stats.grace && spell->stats.maxgrace) |
162 | if (spell->stats.grace && spell->stats.maxgrace) |
163 | grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace)); |
163 | grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace)); |
164 | else |
164 | else |
165 | grace = spell->stats.grace; |
165 | grace = spell->stats.grace; |
166 | |
166 | |
167 | grace *= PATH_SP_MULT (caster, spell); |
167 | grace *= PATH_SP_MULT (caster, spell); |
168 | if (spell->stats.grace && !grace) |
168 | if (spell->stats.grace && !grace) |
… | |
… | |
338 | |
338 | |
339 | /* cast_create_object: creates object new_op in direction dir |
339 | /* cast_create_object: creates object new_op in direction dir |
340 | * or if that is blocked, beneath the player (op). |
340 | * or if that is blocked, beneath the player (op). |
341 | * we pass 'caster', but don't use it for anything. |
341 | * we pass 'caster', but don't use it for anything. |
342 | * This is really just a simple wrapper function . |
342 | * This is really just a simple wrapper function . |
343 | * returns the direction that the object was actually placed |
343 | * returns true to indicate whether the operation was successful. |
344 | * in. |
344 | * destroys the object is unsuccessful. |
345 | */ |
345 | */ |
346 | int |
346 | bool |
347 | cast_create_obj (object *op, object *caster, object *new_op, int dir) |
347 | cast_create_obj (object *op, object *caster, object *new_op, int dir) |
348 | { |
348 | { |
349 | maptile *m; |
349 | mapxy pos (op); |
350 | sint16 sx, sy; |
350 | pos.move (dir); |
351 | |
351 | |
352 | if (dir && |
352 | if (!pos.normalise () |
353 | ((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) || |
353 | || pos->blocks (op) // perversely enough, we check if the palyer can reach that space |
354 | OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy)))) |
354 | || !new_op->can_drop_at (pos.m, pos.x, pos.y) |
|
|
355 | ) |
355 | { |
356 | { |
356 | new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way."); |
357 | op->failmsg ("Your spell fizzles! H<Something is in the way.>"); |
357 | new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet."); |
358 | new_op->destroy (); |
358 | dir = 0; |
359 | return 0; |
359 | } |
360 | } |
360 | |
361 | |
361 | new_op->set_flag (FLAG_IDENTIFIED); |
362 | new_op->set_flag (FLAG_IDENTIFIED); |
362 | op->map->insert (new_op, |
|
|
363 | op->x + freearr_x[dir], op->y + freearr_y[dir], |
|
|
364 | op, |
|
|
365 | dir ? 0 : INS_BELOW_ORIGINATOR); |
|
|
366 | |
363 | |
|
|
364 | pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR); |
|
|
365 | |
367 | return dir; |
366 | return 1; |
368 | } |
367 | } |
369 | |
368 | |
370 | static bool |
369 | static bool |
371 | mergable_owner (object *o1, object *o2) |
370 | mergable_owner (object *o1, object *o2) |
372 | { |
371 | { |
… | |
… | |
404 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
403 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
405 | return 0; |
404 | return 0; |
406 | |
405 | |
407 | int max_effects = 5; // max. number of similar spells per mapspace |
406 | int max_effects = 5; // max. number of similar spells per mapspace |
408 | |
407 | |
409 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
408 | for (object *tmp = ms.top; tmp; tmp = tmp->below) |
410 | { |
409 | { |
411 | /* If there is a counterspell on the space, and this |
410 | /* If there is a counterspell on the space, and this |
412 | * object is using magic, don't progress. I believe we could |
411 | * object is using magic, don't progress. I believe we could |
413 | * leave this out and let in progress, and other areas of the code |
412 | * leave this out and let in progress, and other areas of the code |
414 | * will then remove it, but that would seem to to use more |
413 | * will then remove it, but that would seem to to use more |
… | |
… | |
780 | * at casting a prayer. |
779 | * at casting a prayer. |
781 | * op is the player. |
780 | * op is the player. |
782 | * failure is basically how much grace they had. |
781 | * failure is basically how much grace they had. |
783 | * power is how much grace the spell would normally take to cast. |
782 | * power is how much grace the spell would normally take to cast. |
784 | */ |
783 | */ |
|
|
784 | |
|
|
785 | #define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>" |
|
|
786 | |
785 | static void |
787 | static void |
786 | prayer_failure (object *op, int failure, int power) |
788 | prayer_failure (object *op, int failure, int power) |
787 | { |
789 | { |
788 | const char *godname; |
790 | const char *godname; |
789 | object *tmp; |
791 | object *tmp; |
… | |
… | |
791 | if (!strcmp ((godname = determine_god (op)), "none")) |
793 | if (!strcmp ((godname = determine_god (op)), "none")) |
792 | godname = "Your spirit"; |
794 | godname = "Your spirit"; |
793 | |
795 | |
794 | if (failure <= -20 && failure > -40) /* wonder */ |
796 | if (failure <= -20 && failure > -40) /* wonder */ |
795 | { |
797 | { |
796 | new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname); |
798 | op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname); |
797 | tmp = get_archetype (SPELL_WONDER); |
799 | tmp = archetype::get (SPELL_WONDER); |
798 | cast_cone (op, op, 0, tmp); |
800 | cast_cone (op, op, 0, tmp); |
799 | tmp->destroy (); |
801 | tmp->destroy (); |
800 | } |
802 | } |
801 | |
803 | |
802 | else if (failure <= -40 && failure > -60) /* confusion */ |
804 | else if (failure <= -40 && failure > -60) /* confusion */ |
803 | { |
805 | { |
804 | new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!"); |
806 | op->failmsg ("Your diety touches your mind!" HINT_GRACE); |
805 | confuse_player (op, op, 99); |
807 | confuse_player (op, op, 99); |
806 | } |
808 | } |
807 | else if (failure <= -60 && failure > -150) /* paralysis */ |
809 | else if (failure <= -60 && failure > -150) /* paralysis */ |
808 | { |
810 | { |
809 | new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname); |
811 | op->failmsgf ("%s requires you to pray NOW. " |
810 | new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else."); |
812 | "You comply, ignoring all else." HINT_GRACE, |
|
|
813 | godname); |
811 | paralyze_player (op, op, 99); |
814 | paralyze_player (op, op, 99); |
812 | } |
815 | } |
813 | else if (failure <= -150) /* blast the immediate area */ |
816 | else if (failure <= -150) /* blast the immediate area */ |
814 | { |
817 | { |
815 | tmp = get_archetype (GOD_POWER); |
818 | tmp = archetype::get (GOD_POWER); |
816 | new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname); |
819 | op->failmsgf ("%s smites you!" HINT_GRACE, godname); |
817 | cast_magic_storm (op, tmp, power); |
820 | cast_magic_storm (op, tmp, power); |
818 | } |
821 | } |
819 | } |
822 | } |
820 | |
823 | |
821 | /* |
824 | /* |
822 | * spell_failure() handles the various effects for differing degrees |
825 | * spell_failure() handles the various effects for differing degrees |
823 | * of failure badness. |
826 | * of failure badness. |
824 | * op is the player that failed. |
827 | * op is the player that failed. |
825 | * failure is a random value of how badly you failed. |
828 | * failure is a random value of how badly you failed. |
826 | * power is how many spellpoints you'd normally need for the spell. |
829 | * power is how many spellpoints you'd normally need for the spell. |
827 | * skill is the skill you'd need to cast the spell. |
830 | * skill is the skill you'd need to cast the spell. |
828 | */ |
831 | */ |
829 | |
|
|
830 | void |
832 | void |
831 | spell_failure (object *op, int failure, int power, object *skill) |
833 | spell_failure (object *op, int failure, int power, object *skill) |
832 | { |
834 | { |
833 | object *tmp; |
835 | object *tmp; |
834 | |
836 | |
835 | if (settings.spell_failure_effects == FALSE) |
837 | if (settings.spell_failure_effects == FALSE) |
836 | return; |
838 | return; |
837 | |
839 | |
838 | if (failure <= -20 && failure > -40) /* wonder */ |
840 | if (failure <= -20 && failure > -40) /* wonder */ |
839 | { |
841 | { |
840 | new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect."); |
842 | op->failmsg ("Your spell causes an unexpected effect."); |
841 | tmp = get_archetype (SPELL_WONDER); |
843 | tmp = archetype::get (SPELL_WONDER); |
842 | cast_cone (op, op, 0, tmp); |
844 | cast_cone (op, op, 0, tmp); |
843 | tmp->destroy (); |
845 | tmp->destroy (); |
844 | } |
846 | } |
845 | |
847 | |
846 | else if (failure <= -40 && failure > -60) /* confusion */ |
848 | else if (failure <= -40 && failure > -60) /* confusion */ |
847 | { |
849 | { |
848 | new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!"); |
850 | op->failmsg ("Your magic recoils on you, making you confused!"); |
849 | confuse_player (op, op, 99); |
851 | confuse_player (op, op, 99); |
850 | } |
852 | } |
851 | else if (failure <= -60 && failure > -80) /* paralysis */ |
853 | else if (failure <= -60 && failure > -80) /* paralysis */ |
852 | { |
854 | { |
853 | new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!"); |
855 | op->failmsg ("Your magic stuns you!"); |
854 | paralyze_player (op, op, 99); |
856 | paralyze_player (op, op, 99); |
855 | } |
857 | } |
856 | else if (failure <= -80) /* blast the immediate area */ |
858 | else if (failure <= -80) /* blast the immediate area */ |
857 | { |
859 | { |
858 | object *tmp; |
860 | object *tmp; |
859 | |
861 | |
860 | /* Safety check to make sure we don't get any mana storms in scorn */ |
862 | /* Safety check to make sure we don't get any mana storms in scorn */ |
861 | if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC) |
863 | if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC) |
862 | { |
864 | { |
863 | new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!"); |
865 | op->failmsg ("The magic warps and you are turned inside out!"); |
864 | hit_player (op, 9998, op, AT_INTERNAL, 1); |
866 | hit_player (op, 9998, op, AT_INTERNAL, 1); |
865 | |
867 | |
866 | } |
868 | } |
867 | else |
869 | else |
868 | { |
870 | { |
869 | new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!"); |
871 | op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!"); |
870 | tmp = get_archetype (LOOSE_MANA); |
872 | tmp = archetype::get (LOOSE_MANA); |
871 | tmp->level = skill->level; |
873 | tmp->level = skill->level; |
872 | |
874 | |
873 | /* increase the area of destruction a little for more powerful spells */ |
875 | /* increase the area of destruction a little for more powerful spells */ |
874 | tmp->range += isqrt (power); |
876 | tmp->range += isqrt (power); |
875 | |
877 | |
… | |
… | |
946 | cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam) |
948 | cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam) |
947 | { |
949 | { |
948 | const char *godname; |
950 | const char *godname; |
949 | int success = 0; |
951 | int success = 0; |
950 | |
952 | |
|
|
953 | // make sure spells always take a while, so a) we don't flood the |
|
|
954 | // user with messages and b) too many failures can be harmful (smiting). |
|
|
955 | op->speed_left -= 4 * op->speed; // ~0.5s on failure |
|
|
956 | |
951 | if (!spell_ob) |
957 | if (!spell_ob) |
952 | { |
958 | { |
953 | LOG (llevError, "cast_spell: null spell object passed\n"); |
959 | LOG (llevError, "cast_spell: null spell object passed\n"); |
954 | return 0; |
960 | return 0; |
955 | } |
961 | } |
… | |
… | |
967 | /* if caster is a spell casting object, this normally shouldn't be |
973 | /* if caster is a spell casting object, this normally shouldn't be |
968 | * an issue, because they don't have any spellpaths set up. |
974 | * an issue, because they don't have any spellpaths set up. |
969 | */ |
975 | */ |
970 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
976 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
971 | { |
977 | { |
972 | new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you."); |
978 | op->failmsg ("That spell path is denied to you."); |
973 | return 0; |
979 | return 0; |
974 | } |
980 | } |
975 | |
981 | |
976 | object *skill = 0; |
982 | object *skill = 0; |
977 | |
983 | |
… | |
… | |
1118 | op->failmsg ("Something blocks the spell!"); |
1124 | op->failmsg ("Something blocks the spell!"); |
1119 | |
1125 | |
1120 | return 0; |
1126 | return 0; |
1121 | } |
1127 | } |
1122 | |
1128 | |
|
|
1129 | // undo the flood protection from earlier |
|
|
1130 | op->speed_left += 4 * op->speed; // ~0.5s on failure |
|
|
1131 | |
1123 | /* Take into account how long it takes to cast the spell. |
1132 | /* Take into account how long it takes to cast the spell. |
1124 | * if the player is casting it, then we use the time in |
1133 | * if the player is casting it, then we use the time in |
1125 | * the spell object. If it is a spell object, have it |
1134 | * the spell object. If it is a spell object, have it |
1126 | * take two ticks. Things that cast spells on the players |
1135 | * take two ticks. Things that cast spells on the players |
1127 | * behalf (eg, altars, and whatever else) shouldn't cost |
1136 | * behalf (eg, altars, and whatever else) shouldn't cost |
… | |
… | |
1493 | * the victim with a specific maximum level. |
1502 | * the victim with a specific maximum level. |
1494 | */ |
1503 | */ |
1495 | void |
1504 | void |
1496 | create_exploding_ball_at (object *victim, int level) |
1505 | create_exploding_ball_at (object *victim, int level) |
1497 | { |
1506 | { |
1498 | object *ball = get_archetype (EXPLODING_FIREBALL); |
1507 | object *ball = archetype::get (EXPLODING_FIREBALL); |
1499 | ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1; |
1508 | ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1; |
1500 | ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2; |
1509 | ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2; |
1501 | ball->insert_at (victim); |
1510 | ball->insert_at (victim); |
1502 | } |
1511 | } |