viewing paste topic/11575- charms | C

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//===== Hercules Plugin ======================================
//= Charms
//===== By: ==================================================
//= AnnieRuru
//= original by digitalhamster
//===== Current Version: =====================================
//= 1.0
//===== Compatible With: ===================================== 
//= Hercules 2015-12-27
//===== Description: =========================================
//= Give item bonus like the game DiabloII
//===== Topic ================================================
//= http://herc.ws/board/topic/11575-charms/
//===== Additional Comments: =================================  
//= no, please, this plugin DOES NOT DUP ITEM ! TESTED ! TRUST ME !!! XD
//============================================================
 
#include "common/hercules.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "map/pc.h"
#include "map/itemdb.h"
#include "common/memmgr.h"
#include "common/nullpo.h"
#include "common/HPMDataCheck.h"
 
HPExport struct hplugin_info pinfo = {
    "charms",
    SERVER_TYPE_MAP,
    "1.0",
    HPM_VERSION,
};
 
struct charm_item_data {
    bool charm;
};
 
struct player_data { // this stupid player variable is needed to prevent item dup
    bool recalculate;
};
 
void itemdb_readdb_additional_fields_pre( int *itemid, config_setting_t *it, int *n_, const char *source ) {
    struct item_data *idata = itemdb->load( *itemid );
    config_setting_t *tt = libconfig->setting_get_member( it, "Charm" );
    struct charm_item_data *cidata = getFromITEMDATA( idata, 0 );
    if ( idata->type != IT_ETC )
        return;
    if ( !cidata ) {
        CREATE( cidata, struct charm_item_data, 1 );
        addToITEMDATA( idata, cidata, 0, true );
    }
    if ( tt )
        if ( libconfig->setting_get_bool(tt) )
            cidata->charm = true;
    return;
}
 
int itemdb_isstackable_pre( int *nameid ) {
    struct item_data *idata = itemdb->search( *nameid );
    struct charm_item_data *cidata;
    nullpo_ret(idata);
    if ( idata->type != IT_ETC )
        return 1;
    cidata = getFromITEMDATA( idata, 0 );
    if ( !cidata )
        return 1;
    if ( cidata->charm == true ) {
        hookStop();
        return 0;
    }
    return 1;
}
 
int itemdb_isstackable2_pre( struct item_data *data ) {
    struct charm_item_data *cidata = NULL;
    nullpo_ret(data);
    if ( data->type != IT_ETC )
        return 1;
    cidata = getFromITEMDATA( data, 0 );
    if( !cidata )
        return 1;
    if ( cidata->charm == true ) {
        hookStop();
        return 0;
    }
    return 1;
}
 
// TODO: Maybe should add those job/level/upper flag restriction like I did on eathena ? hmm ... but hercules omit those fields ... using default
void status_calc_pc_additional_pre( struct map_session_data *sd, enum e_status_calc_opt *opt ) {
    int i = 0;
    struct charm_item_data *cidata = NULL;
    for ( i = 0; i < MAX_INVENTORY; ++i ) {
        if ( !sd->inventory_data[i] )
            continue;
        if ( sd->inventory_data[i]->type != IT_ETC )
            continue;
        cidata = getFromITEMDATA( sd->inventory_data[i], 0 );
        if ( !cidata )
            continue;
        if ( cidata->charm == false )
            continue;
        if ( sd->inventory_data[i]->script ) {
            script->run( sd->inventory_data[i]->script, 0, sd->bl.id, 0 );
        }
    }
    return;
}
 
int pc_additem_post( int retVal, struct map_session_data *sd, struct item *item_data ,int *amount, e_log_pick_type *log_type ) {
    struct item_data *idata = itemdb->search( item_data->nameid );
    struct charm_item_data *cidata = NULL;
    if ( retVal != 0 )
        return retVal;
    if ( idata->type != IT_ETC )
        return retVal;
    cidata = getFromITEMDATA( idata, 0 );
    if ( !cidata )
        return retVal;
    if ( cidata->charm == true )
        status_calc_pc( sd, SCO_NONE );
    return retVal;
}
 
int pc_delitem_pre( struct map_session_data *sd, int *n, int *amount, int *type, short *reason, e_log_pick_type *log_type ) {
    struct charm_item_data *cidata = NULL;
    struct player_data *ssd = NULL;
    nullpo_retr( 1, sd );
    if ( sd->status.inventory[*n].nameid == 0 || *amount <= 0 || sd->status.inventory[*n].amount < *amount || sd->inventory_data[*n] == NULL ) {
        hookStop();
        return 1;
    }
    if ( sd->inventory_data[*n]->type != IT_ETC )
        return 0;
    cidata = getFromITEMDATA( sd->inventory_data[*n], 0 );
    if ( !cidata )
        return 0;
    if ( cidata->charm == true ) {
        ssd = getFromMSD( sd, 0 );
        if ( !ssd ) {
            CREATE( ssd, struct player_data, 1 );
            ssd->recalculate = 1;
            addToMSD( sd, ssd, 0, true );
        }
        else
            ssd->recalculate = 1;
    }
    return 0;
}
// maybe I should've just overload this function ...
int pc_delitem_post( int retVal, struct map_session_data *sd, int *n, int *amount, int *type, short *reason, e_log_pick_type *log_type ) {
    struct player_data *ssd = getFromMSD( sd, 0 );
    if ( ssd && ssd->recalculate == 1 ) {
//      ShowDebug( "run recalculation" );
        status_calc_pc( sd, SCO_NONE );
        ssd->recalculate = 0;
    }
    return retVal;
}
 
HPExport void plugin_init (void) {
    addHookPre( "itemdb->readdb_additional_fields", itemdb_readdb_additional_fields_pre );
    addHookPre( "itemdb->isstackable", itemdb_isstackable_pre );
    addHookPre( "itemdb->isstackable2", itemdb_isstackable2_pre );
    addHookPre( "status->calc_pc_additional", status_calc_pc_additional_pre );
    addHookPost( "pc->additem", pc_additem_post );
    addHookPre( "pc->delitem", pc_delitem_pre );
    addHookPost( "pc->delitem", pc_delitem_post );
}
 
Viewed 1443 times, submitted by AnnieRuru.