foundryvtt-reve-de-dragon/module/rdd-possession.js

/* -------------------------------------------- */
import { RdDCombat } from "./rdd-combat.js";
import { RdDResolutionTable } from "./rdd-resolution-table.js";
import { RdDRoll } from "./rdd-roll.js";
import { RdDItemCompetenceCreature } from "./item-competencecreature.js";

/* -------------------------------------------- */
/* On part du principe qu'une entité démarre tjs 
une possession via le MJ (ie un joueur ne controle pas une entité)
Donc la compétence Possession ne peut être démarrée que par le MJ.
*/

/* -------------------------------------------- */
export class RdDPossession {

  /* -------------------------------------------- */
  static init() {
  }

  /* -------------------------------------------- */
  static searchPossessionFromEntite(attacker, defender) {
    let poss = attacker.items.find(poss => poss.type == 'possession' && poss.system.possedeid == defender.id);
    if (!poss) {
      poss = defender.items.find(poss => poss.type == 'possession' && poss.system.possedeid == defender.id);
    }
    return poss && duplicate(poss) || undefined;
  }

  /* -------------------------------------------- */
  static updateEtatPossession(possession) {
    possession.ptsConjuration = 0
    possession.ptsPossession = 0
    console.log("Possession", possession)
    if (possession.system.compteur > 0) {
      possession.ptsPossession = possession.system.compteur
    }
    if (possession.system.compteur < 0) {
      possession.ptsConjuration = Math.abs(possession.system.compteur)
    }
    possession.isPosseder = false
    possession.isConjurer = false
    if (possession.ptsPossession >= 2) {
      possession.isPosseder = true
    }
    if (possession.ptsConjuration >= 2) {
      possession.isConjurer = true
    }
  }

  /* -------------------------------------------- */
  static async resultConjuration(rollData) {
    let actor = game.actors.get(rollData.possession.system.possedeid)
    if (!rollData.rolled.isSuccess) {
      if (rollData.isECNIDefender) {
        rollData.possession.system.compteur--
      } else {
        rollData.possession.system.compteur++
      }
      let update = { _id: rollData.possession._id, "system.compteur": rollData.possession.system.compteur }
      await actor.updateEmbeddedDocuments('Item', [update])
    }

    this.updateEtatPossession(rollData.possession)
    await RdDResolutionTable.displayRollData(rollData, this, 'chat-resultat-possession.html')
    if (rollData.possession.isPosseder || rollData.possession.isConjurer) {
      actor.deleteEmbeddedDocuments("Item", [rollData.possession._id])
    }
  }

  /* -------------------------------------------- */
  static async onDefensePossession(attackerId, defenderId, possessionId) {
    let attacker = game.actors.get(attackerId)
    let defender = game.actors.get(defenderId)
    let possession = attacker.getPossession(possessionId) ?? defender.getPossession(possessionId) ;
    if (!possession) {
      ui.notifications.warn("Une erreur s'est produite : Aucune possession trouvée !!")
      return
    }
    // Update for draconic roll
    let rollData = {
      mode: "conjuration",
      isECNIDefender: defender.type == "entite",
      possession: duplicate(possession),
      attacker: attacker,
      defender: defender,
      competence: defender.getDraconicOuPossession(),
      selectedCarac: defender.system.carac.reve,
      forceCarac: { 'reve-actuel': { label: "Rêve Actuel", value: defender.getReveActuel() } }
    }
    rollData.competence.system.defaut_carac = 'reve-actuel'


    const dialog = await RdDRoll.create(defender, rollData,
      {
        html: 'systems/foundryvtt-reve-de-dragon/templates/dialog-roll-defense-possession.html'
      },
      {
        name: 'conjurer',
        label: 'Conjurer une Possession',
        callbacks: [
          { action: async r => await this.resultConjuration(r) }
        ]
      }
    );
    dialog.render(true)
  }

  /* -------------------------------------------- */
  static async onAttaquePossession(attacker, competence, possession = undefined) {
    const target = RdDCombat.getTarget()
    if (target == undefined) {
      ui.notifications.warn((game.user.targets?.size ?? 0) > 1
        ? "Vous devez choisir <strong>une seule</strong> cible à posséder!"
        : "Vous devez choisir une cible à posséder!");
      return;
    }

    const defender = target.actor;
    possession = duplicate(possession ?? this.searchPossessionFromEntite(attacker, defender) ??(await this.createPossession(attacker, defender)));
    
    this.updateEtatPossession(possession)
    let rollData = {
      mode: "possession",
      isECNIDefender: defender.type == "entite",
      competence: competence,
      possession: possession,
      attacker: attacker,
      defender: defender
    };
    if (attacker.isCreature()) {
      RdDItemCompetenceCreature.setRollDataCreature(rollData)
    }

    const dialog = await RdDRoll.create(attacker, rollData,
      {
        html: 'systems/foundryvtt-reve-de-dragon/templates/dialog-roll-competence.html'
      }, {
      name: 'jet-possession',
      label: rollData.isECNIDefender ? 'Conjurer la possession' : 'Possession',
      callbacks: [
        { condition: r => (r.rolled.isSuccess), action: async r => await this._onRollPossession(r, true) },
        { condition: r => (r.rolled.isEchec), action: async r => await this._onRollPossession(r, false) },
      ]
    });
    dialog.render(true)
  }

  /* -------------------------------------------- */
  static async _onRollPossession(rollData, isSuccess) {
    rollData.possession.isSuccess = isSuccess;
    this.updateEtatPossession(rollData.possession);
    await RdDResolutionTable.displayRollData(rollData, this, 'chat-resultat-possession.html');
  }

  /* -------------------------------------------- */
  static async createPossession(attacker, defender) {
    let possessionData = {
      name: "Possession en cours de " + attacker.name, type: 'possession',
      img: "systems/foundryvtt-reve-de-dragon/icons/entites/possession2.webp",
      system: { description: "", typepossession: attacker.name, possede: false, possessionid: randomID(16), possesseurid: attacker.id, possedeid: defender.id, date: 0, compteur: 0 }
    }
    // Creates only the possession on the personnage side
    let poss = await defender.createEmbeddedDocuments('Item', [possessionData])
    return duplicate(poss[0])
  }

}