From 41974ae5265fbc23a06f276f9e008d5dad020e0b Mon Sep 17 00:00:00 2001 From: Ben Longbons Date: Thu, 30 Aug 2012 16:16:25 -0700 Subject: Rename files for C++ conversion. Does not compile. After updating, you can remove these files, as shown in 'git status': Untracked files: (use "git add ..." to include in what will be committed) src/map/magic-interpreter-lexer.c src/map/magic-interpreter-parser.c src/map/magic-interpreter-parser.h --- src/map/magic.cpp | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 src/map/magic.cpp (limited to 'src/map/magic.cpp') diff --git a/src/map/magic.cpp b/src/map/magic.cpp new file mode 100644 index 0000000..03b18a4 --- /dev/null +++ b/src/map/magic.cpp @@ -0,0 +1,130 @@ +#include +#include +#include +#include + +#include "magic-interpreter.hpp" + +#undef DEBUG + +static char *magic_preprocess_message (character_t * character, char *start, + char *end) +{ + if (character->state.shroud_active + && character->state.shroud_disappears_on_talk) + magic_unshroud (character); + + if (character->state.shroud_active + && character->state.shroud_hides_name_talking) + { + int len = strlen (end); + strcpy (start, "? "); + memmove (start + 2, end, len + 1); + return start + 4; + } + else + return end + 2; /* step past blank */ +} + +#define ISBLANK(c) ((c) == ' ') + +/* Returns a dynamically allocated copy of `src'. + * `*parameter' may point within that copy or be NULL. */ +static char *magic_tokenise (char *src, char **parameter) +{ + char *retval = strdup (src); + char *seeker = retval; + + while (*seeker && !ISBLANK (*seeker)) + ++seeker; + + if (!*seeker) + *parameter = NULL; + else + { + *seeker = 0; /* Terminate invocation */ + ++seeker; + + while (ISBLANK (*seeker)) + ++seeker; + + *parameter = seeker; + } + + return retval; +} + +int magic_message (character_t * caster, char *spell_, size_t spell_len) +{ + if (pc_isdead (caster)) + return 0; + + int power = caster->matk1; + char *invocation_base = spell_ + 8; + char *source_invocation = + 1 + invocation_base + strlen (caster->status.name); + spell_t *spell; + char *parameter; + char *spell_invocation; + + if (!source_invocation) + return 0; + + /* Pre-message filter in case some spell alters output */ + source_invocation = + magic_preprocess_message (caster, invocation_base, source_invocation); + + spell_invocation = magic_tokenise (source_invocation, ¶meter); + parameter = parameter ? strdup (parameter) : strdup (""); + + spell = magic_find_spell (spell_invocation); + free (spell_invocation); + + if (spell) + { + int near_miss; + env_t *env = + spell_create_env (&magic_conf, spell, caster, power, parameter); + effect_set_t *effects; + + if ((spell->flags & SPELL_FLAG_NONMAGIC) || (power >= 1)) + effects = spell_trigger (spell, caster, env, &near_miss); + else + effects = NULL; + +#ifdef DEBUG + fprintf (stderr, "Found spell `%s', triggered = %d\n", spell_, + effects != NULL); +#endif + if (caster->status.option & OPTION_HIDE) + return 0; // No spellcasting while hidden + + MAP_LOG_PC (caster, "CAST %s %s", + spell->name, effects ? "SUCCESS" : "FAILURE"); + + if (effects) + { + invocation_t *invocation = spell_instantiate (effects, env); + + spell_bind (caster, invocation); + spell_execute (invocation); + + return (spell->flags & SPELL_FLAG_SILENT) ? -1 : 1; + } + else + magic_free_env (env); + + return 1; + } + else + free (parameter); + + return 0; /* Not a spell */ +} + +int magic_init (char *conffile); // must be called after itemdb initialisation + +void do_init_magic (void) +{ + magic_init (MAGIC_CONFIG_FILE); +} -- cgit v1.2.3-70-g09d2