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//=============================================================================
// Maliki's Random Encounter Step Options
// MalEncounterRateOptions.js
// version 1.7
//=============================================================================
/*:  
* @plugindesc ver1.6a - Allows players to set a general random encounter rate in the Options Menu.  
 * @author Maliki79
 * 
 * @param RateUpperLimit
 * @desc The highest percentage the Encounter Rate can reach.  This number MUST be at or above 100.
 * Default: 100
 * @default 100
 *
 * @param RateLowerLimit
 * @desc The lowest percentage the Encounter Rate can reach.  This number MUST be at or below 100.
 * Default: 0
 * @default 0
 * 
 * @param EncounterOffset
 * @desc The value that the Encounter Rate will change when a direction or ok is pressed.
 * Default: 50
 * @default 50
 * 
 * @param EncounterRateShow
 * @desc Forces Encounter rate to be shown in Options even when locked. 0 = true 1 = false
 * Default: 0
 * @default 0
 * 
 * @param EncounterSpeed
 * @desc Enter an Interger higher than 0 to allow encounters to occur even when standing still.
 * Default: 0
 * @default 0
 *
 * @help Allows players to set a general random encounter rate in the Options Menu.  
 * This rate can be reduced to 0 to eliminate ALL random encounters.
 * Also allows developers to lock/unlock the encounter rate directly and set 
 * values to whatever they want.
 *
 * Once installed, run your game and go to Options to find the 
 * Encounter Rate setting. (If EncounterRateShow is NOT set to 0, the encounter rate will NOT appear 
 * on the Title Screen's Option Menu as the rate is considered locked when on the Title Screen.)
 *
 * Optional: You can set the Upper limit of the Encounter rate to any number over 100.
 * If set below, or to a non-number, it will default to 100.
 *
 * Optional: You can set the amount the Encounter Rate rises or falls via the Encounter Offset Param.
 *
 * You can set a timer to allow encounters while standing still.
 * If the param EncounterSpeed is set to a number higher than 0, encounters will be able to occur
 * even while players are not moving!
 * Increasing the number will speed up the enocounter rate.
 * Leaving it at 0 will disable this option.
 * (Other encounter rate option will still be in effect)
 * 
 * This plugin now also allows you to adjust the "weight" of random encounters by enemy troop Id.
 * In map notes, you can add the notetag:
 * 
 * <malEncAdj: troopId, amount, condition >>>
 * with troopId being the troop Id number in the database,
 * amount being the amount the weight will be adjusted (this can be negative, but it must be an integer.)
 * and condition can be a javascript eval that returns true or false.
 * (And note the 3 >>> at the end of the tag.)
 * 
 * For example, the tag <malEncAdj: 1, 10, $gameSwitches.value(1)>>>
 * will increase the weight of all instances of troop one on that map by 10 if switch 1 is turned ON.
 * 
 * <malEncAdj: 4, -25, $gameVariables.value(1) > 10>>> 
 * will decrease the weight of all instances of troop 4 on that map by 25 if variable 1 is greater than 10.
 *
 * <malEncAdj: 7, $gameVariables.value(2) * 5, $gameVariables.value(2) > 0>>> 
 * will increase the weight of all instances of troop 7 on that map by 5 * variable 2 if variable 2 is greater than 0.
 *
 * If you set the troop ID to -1, it will affect ALL troops on that map if the conditions are met.
 *
 * weights are cumulative, meaning you could potentially have a troop affected by multiple tages.
 * Note that any weight values that change to a value below 0 will NOT be encountered at all.
 * Conversely, any troops initially set to 0 in the database but brought above 1 or higher CAN be encountered.
 * (You can eval weight to an integer)
 * 
 * <malNulRegionEnc: regionID, condition >>>
 * with region ID being the region ID of the tile the player is standing on.  
 * (Using -1 will effect ALL regions AND regionless areas (basically the entire map)
 *
 * This note tag will REMOVE ALL encounters on the specified region ID on that map if the conditions are true.
 * 
 * Note that this tag supersides the malEncAdj tag meaning if you negate all encounters, their weight will hot matter.
 *
 *  SCRIPT CALLS
 *
 * $gameSystem.lockEncounterRate();
 * This call will LOCK the Encounter Rate setting at whatever number it was when called.
 * You can add a number in the () to set the rate while locking it.
 * Note: Unless EncounterRateShow is set to 0, the Encounter Rate will not show on the Option
 * Menu while locked.
 *
 * $gameSystem.unlockEncounterRate();
 * This call will allow players to change the Encounter Rate again after it hs been locked.
 * You can add a number in the () to set the rate while unlocking it.
 *
 * $gameSystem.setEncounterRate(x);
 * This call will change the Encounter Rate to any positive integer.
 * Note that the player can change the number if the Encounter Rate is not locked.
 *
 * $gameSystem.getEncounterRate();
 * This call will return the current Encounter Rate.
 */

ConfigManager.commandEncounter = 100;

var MalEncounterTitle = Scene_Title.prototype.create;
Scene_Title.prototype.create = function() {
MalEncounterTitle.call(this);
$gameSystem._encountersLocked = true;
}

var MalEncounterInitialize = Game_System.prototype.initialize;
Game_System.prototype.initialize = function() {
MalEncounterInitialize.call(this);
this._encountersLocked = false;
}

Game_System.prototype.lockEncounterRate = function(setting) {
$gameSystem._encountersLocked = true;
if (setting) this.setEncounterRate(setting);
}

Game_System.prototype.unlockEncounterRate = function(setting) {
$gameSystem._encountersLocked = false;
if (setting) this.setEncounterRate(setting);
}

Game_System.prototype.getEncounterRate = function() {
return $gameSystem._encounterRate;
}

Game_System.prototype.setEncounterRate = function(setting) {
var numb = Number(eval(setting)) || 100;
if (numb < 0) numb = 0;
ConfigManager['commandEncounterVolume'] = numb;
$gameSystem._encounterRate = numb;
}

Object.defineProperty(ConfigManager, 'encounterRate', {
    get: function() {
        return ConfigManager.commandEncounterVolume;
    },
    set: function(value) {
        ConfigManager.commandEncounterVolume = value;
    },
    configurable: true
});

var Mal_Config_MakeData = ConfigManager.makeData;
ConfigManager.makeData = function() {
    var config = Mal_Config_MakeData.call(this);
	config.encounterRate = this.encounterRate;	
    return config;
};

var Mal_Config_applyData = ConfigManager.applyData;
ConfigManager.applyData = function(config) {
	Mal_Config_applyData.call(this, config);
	this.encounterRate = this.readEncounter(config, 'encounterRate');
};

ConfigManager.readEncounter = function(config, name) {
    var value = config[name];
    if (value !== undefined) {
        return Number(value);
    } else {
        return 100;
    }
};

Window_Options.prototype.encounterOffset = function() {
	var num = Number(PluginManager.parameters('MalEncounterRateOptions')['EncounterOffset']) || 50;
	if (num !== undefined) {
	return Math.floor(num);
    } else {
	return 50;
}	
};

var Mal_Window_addGeneralOptions = Window_Options.prototype.addGeneralOptions;
Window_Options.prototype.addGeneralOptions = function() {
    Mal_Window_addGeneralOptions.call(this);
	if (PluginManager.parameters('MalEncounterRateOptions')['EncounterRateShow'] == 0 || $gameSystem._encountersLocked == false ) this.addCommand("Encounter Rate", 'commandEncounterVolume');
	};
	
Game_Player.prototype.encounterProgressValue = function() {
    var value = $gameMap.isBush(this.x, this.y) ? 2 : 1;
    var val2 = ConfigManager.encounterRate;
	if ($gameParty.hasEncounterHalf()) {
        value *= 0.5;
    }
    if (this.isInShip()) {
        value *= 0.5;
    }
    return value * (val2 / 100.0);
};

ConfigManager.readEncounter = function(config, name) {
    var value = config[name];
	var limit = Number(PluginManager.parameters('MalEncounterRateOptions')['RateUpperLimit']);
	var lowLimit = Number(PluginManager.parameters('MalEncounterRateOptions')['RateLowerLimit']);
	if (limit < 100) limit = 100;
	if (lowLimit < 0) lowLimit = 0;
    if (value !== undefined) {
        return Number(value).clamp(lowLimit, limit);
    } else {
        return 100;
    }
};

Window_Options.prototype.isEncounterSymbol = function(symbol) {
    return symbol.contains('Encounter');
};

var Mal_Win_Options_processOk = Window_Options.prototype.processOk
Window_Options.prototype.processOk = function() {
    var index = this.index();
    var symbol = this.commandSymbol(index);
	if (this.isEncounterSymbol(symbol) ) {
		var value = this.getConfigValue(symbol);
		var offset = this.encounterOffset();
		var limit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateUpperLimit'])) || 100;
		var lowLimit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateLowerLimit'])) || 0;
		if (limit < 100) limit = 100;
		if ($gameSystem._encountersLocked == false){
		if (value + offset > limit && value != limit) {
		value = limit;
		} else {
		value += offset;
		}
		if (value > limit) value = lowLimit;
		this.changeValue(symbol, value);
		$gameSystem._encounterRate = value;
		} else {
		SoundManager.playBuzzer(); 
		}
		} else {
			Mal_Win_Options_processOk.call(this);
		}
};

var Mal_Win_Options_cursorRight = Window_Options.prototype.cursorRight
Window_Options.prototype.cursorRight = function(wrap) {
    var index = this.index();
    var symbol = this.commandSymbol(index);
	if (this.isEncounterSymbol(symbol)) {
		var value = this.getConfigValue(symbol);
		var offset = this.encounterOffset();
		var limit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateUpperLimit'])) || 100;
		var lowLimit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateLowerLimit'])) || 0;
		if (limit < 100) limit = 100;
		if ($gameSystem._encountersLocked == false){
		if (value + offset > limit && value != limit) {
		value = limit;
		} else {
		value += offset;
		}
		if (value > limit) value = lowLimit;
		this.changeValue(symbol, value);
		$gameSystem._encounterRate = value;
		} else {
		SoundManager.playBuzzer(); 
		}
		} else {
			Mal_Win_Options_cursorRight.call(this, wrap);
		}
};

var Mal_Win_Options_cursorLeft = Window_Options.prototype.cursorLeft
Window_Options.prototype.cursorLeft = function(wrap) {
    var index = this.index();
    var symbol = this.commandSymbol(index);
	if (this.isEncounterSymbol(symbol)) {
		var value = this.getConfigValue(symbol);
		var offset = this.encounterOffset();
		var limit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateUpperLimit'])) || 100;
		var lowLimit = Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['RateLowerLimit'])) || 0;
		if (limit < 100) limit = 100;
		if ($gameSystem._encountersLocked == false){
		if (value - offset < lowLimit && value != lowLimit) {
		value = lowLimit;
		} else {
		value -= offset;
		}
		if (value < lowLimit) value = limit;
		this.changeValue(symbol, value);
		$gameSystem._encounterRate = value;
		} else {
		SoundManager.playBuzzer(); 
		}
		} else {
			Mal_Win_Options_cursorLeft.call(this, wrap);
		}
};

var MalEncounter_onLoadSuccess = Scene_Load.prototype.onLoadSuccess;
Scene_Load.prototype.onLoadSuccess = function() {
MalEncounter_onLoadSuccess.call(this);
ConfigManager['commandEncounterVolume'] = $gameSystem._encounterRate || 100;
//$gamePlayer.encounterTick = 0;
}

//var MalEncounter_updateNonmoving = Game_Player.prototype.updateNonmoving;
Game_Player.prototype.updateNonmoving = function(wasMoving) {
	if (!$gamePlayer.encounterTick) $gamePlayer.encounterTick = 0;
    if (!$gameMap.isEventRunning()) {
        if (wasMoving) {
            $gameParty.onPlayerWalk();
			this._firstStep = false;
            this.checkEventTriggerHere([1,2]);
            if ($gameMap.setupStartingEvent()) {
                return;
            }
        }
        if (this.triggerAction()) {
            return;
        }
		if ($gamePlayer.encounterTick >= 1000) {
			this.updateEncounterCount();
			$gamePlayer.encounterTick = 0;
		} else {
			if(!this._firstStep) $gamePlayer.encounterTick += 1 * Math.floor(Number(PluginManager.parameters('MalEncounterRateOptions')['EncounterSpeed']));
			//console.log($gamePlayer.encounterTick);
		}
        if (wasMoving) {
            this.updateEncounterCount();
        } else {
            $gameTemp.clearDestination();
        }
    }
};

var MalEncounterCount = Game_Player.prototype.makeEncounterCount;
Game_Player.prototype.makeEncounterCount = function() {
    MalEncounterCount.call(this);
    if(PluginManager.parameters('MalEncounterRateOptions')['EncounterSpeed'] != 0) this._encounterCount += 3;
	this._firstStep = true;
};

var malEncounterGMSetup = Game_Map.prototype.setup;
Game_Map.prototype.setup = function(mapId) {
    if (!$dataMap) {
        throw new Error('The map data is not available');
    }
	malEncounterGMSetup.call(this, mapId);
    this.setupEncounterAdjusts();
};

Game_Map.prototype.setupEncounterAdjusts = function() {
	this._encounterAdjusts = [];
	this._regionCond = [];   
var noteread = $dataMap.note;
while(noteread.indexOf("malEncAdj") > -1)
{ 
	var notereg = noteread.split("<malEncAdj: ");
	var match = notereg[1].split(">>>");
	match = match[0].split(", ");
	match[0] = parseInt(match[0]);
	//match[1] = parseInt(match[1]);
	this._encounterAdjusts.push(match);
	noteread = noteread.replace("<malEncAdj: ", " ");
}

     
    var noteread = $dataMap.note;   
    while(noteread.indexOf("malNulRegionEnc") > -1)  
    {   
        var notereg = noteread.split("<malNulRegionEnc: ");  
        var match = notereg[1].split(">>>");    
        var match2 = match[0].split(",");   
        match2[0] = Number(match2[0]);
        this._regionCond.push(match2);    
        noteread = noteread.replace("<malNulRegionEnc: ", " ");  
    }  
};

Game_Player.prototype.makeEncounterTroopId = function() {
    var encounterList = [];
    var weightSum = 0;
    $gameMap.encounterList().forEach(function(encounter) {
        if (this.meetsEncounterConditions(encounter)) {
			var encounterCopy = encounter;
			encounterCopy = this.malEncounterAdjust(encounterCopy);
            if (encounterCopy.weight > 0) {
				encounterList.push(encounterCopy);
				weightSum += encounterCopy.weight;
			}
        }
    }, this);
    if (weightSum > 0) {
        var value = Math.randomInt(weightSum);
        for (var i = 0; i < encounterList.length; i++) {
            value -= encounterList[i].weight;
            if (value < 0) {
                return encounterList[i].troopId;
            }
        }
    }
    return 0;
};

Game_Player.prototype.malEncounterAdjust = function (encounter) {
	var ec = encounter;
	var id = ec.troopId;
	var ea = $gameMap._encounterAdjusts;
	for (var i = 0; i < ea.length; i++) {
		var line = ea[i];
		var value = Number(eval(line[1])) || 0;
		var check = eval(line[2]);
		if ((line[0] == id || line[0] == -1) && check) ec.weight += value;
	}
	return ec;
}

var MalGPMeetsEncCond = Game_Player.prototype.meetsEncounterConditions
Game_Player.prototype.meetsEncounterConditions = function(encounter) {
    if ($gameMap.nulRegion(this.regionId())) return false;
	return MalGPMeetsEncCond.call(this, encounter);
};

Game_Map.prototype.nulRegion = function(region) {
	if (this._regionCond.length < 1) return false;
	var region = Number(region);
	 for (var i = 0; i < this._regionCond.length; i++) {
        if ((this._regionCond[i][0] == region || this._regionCond[i][0] == -1) && eval(this._regionCond[i][1])) return true;
    }
	return false;
};