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 async onAttaquePossession(target, attacker, competence, possession = undefined) {
    const defender = target.actor;
    possession = duplicate(possession ?? this.searchPossessionFromEntite(attacker, defender) ?? (await this.createPossession(attacker, defender)));
    
    this.$updateEtatPossession(possession)
    let rollData = {
      mode: "possession",
      isECNIDefender: false,
      competence: competence,
      possession: possession,
      attacker: attacker,
      defender: defender
    };
    if (attacker.isCreature()) {
      RdDItemCompetenceCreature.setRollDataCreature(rollData)
    }
    
    await RdDPossession.$rollAttaquePossession(attacker, rollData);
  }
  
  /* -------------------------------------------- */
  static async onConjurerPossession(attacker, competence, possession) {
    possession = duplicate(possession);
    this.$updateEtatPossession(possession)
    let rollData = {
      mode: "possession",
      isECNIDefender: true,
      competence: competence,
      possession: possession,
      attacker: attacker,
      defender: game.actors.get(possession.system.possesseurid)
    };
    await RdDPossession.$rollAttaquePossession(attacker, rollData);
  }

  /* -------------------------------------------- */
  static async onDefensePossession(attackerId, defenderId, possessionId) {
    let attacker = game.actors.get(attackerId)
    let possession = attacker?.getPossession(possessionId)
    defenderId = defenderId ?? possession?.system.possesseurid ?? undefined
    let defender = game.actors.get(defenderId)
    possession = possession ?? defender?.getPossession(possessionId) ?? undefined;

    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'

    await RdDPossession.$rollDefensePossesion(defender, rollData);
  }

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

  /* -------------------------------------------- */
  static async $rollDefensePossesion(defender, rollData) {
    const dialog = await RdDRoll.create(defender, rollData,
      {
        html: 'systems/foundryvtt-reve-de-dragon/templates/dialog-roll-defense-possession.html'
      },
      {
        name: 'conjurer',
        label: 'Conjurer une Possession',
        callbacks: [
          { action: async (r) => await this.$onRollConjuration(r) }
        ]
      }
    );
    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 $onRollConjuration(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) {
      // conjuration
      actor.deleteEmbeddedDocuments("Item", [rollData.possession._id])
    }
  }

  /* -------------------------------------------- */
  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 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])
  }

}