mysecretsummervacation2/www/js/plugins/enemybars.js

//=============================================================================
// EnemyBars.js
//=============================================================================
//v1.1
/*:
 * @plugindesc Makes enemy hp bar appear in battle. 
 * @author Jeremy Cannady
 *
 * @param High HP Color
 * @desc Insert the color code.
 * @default #009900
 *
 * @param Medium HP Color
 * @desc Insert the color code.
 * @default #ffcc00
 *
 * @param Low HP Color
 * @desc Insert the color code.
 * @default #ff6600
 *
 * @param Critical HP Color
 * @desc Insert the color code.
 * @default #ff3300
 *
 * @help
 * Put <hpBar> in the enemy note tag to activate the hp bar for that enemy
 during battle.
 *Put <hpBarSelectionOnly> to actiavte the hp bar only during selection.
 *Put<hpBarTurnASelection> to actiavet he bar during selection and attack.
 *Put <hpBarTurnOnly> to only show the bar during the attack phase.
 *PLEASE PUT ONLY ONE NOTETAG.
 * For the paramters use any html hex color codes.
 * A few color codes are:
 Green: #009900
 Yellow: #ffcc00
 Orange: #ff6600
 Red: #ff3300
 White: #ffffff
 Blue: #33ffff
 Purple: #660099
 *
*/

(function () {
	//=============================================================================
	// Create some variables and define the colors
	//=============================================================================
	Game_Enemy.prototype.battlerHeight = null;
	Game_Enemy.prototype.battlerWidth = null;
	var parameters = PluginManager.parameters('EnemyBars');
	var high = parameters['High HP Color'] || '#009900';
	var medium = parameters['Medium HP Color'] || '#ffcc00';
	var low = parameters['Low HP Color'] || '#ff6600';
	var critical = parameters['Critical HP Color'] || '#ff3300';

	//=============================================================================
	// Create the enemy hp window that displays all the hp bars
	//=============================================================================
	function Enemy_Bars() {
		this.initialize.apply(this, arguments);
	};

	Enemy_Bars.prototype = Object.create(Window_Base.prototype);
	Enemy_Bars.prototype.constructor = Enemy_Bars;

	Enemy_Bars.prototype.initialize = function (x, y, width, height) {
		Window_Base.prototype.initialize.call(this, x, y, width, height);
		this.deactivate();
		//Make the window transparent
		this.opacity = 0;
	};

	Enemy_Bars.prototype.update = function () {
		Window_Base.prototype.update.call(this);
		//Clear the window and re-draw the hp bars
		this.contents.clear();
		this.drawBar();
	};

	//FUNCTION: return the color the hp bar should be based on current hp
	Enemy_Bars.prototype.guageColor = function (rate) {
		if (rate > 0.75) {
			return high;//High hp color
		} else if (rate > 0.50) {
			return medium;//Medium hp color
		} else if (rate > 0.25) {
			return low;//Low hp color
		} else {
			return critical;//Critical hp color
		};
	};

	//FUNCTION: draw the hp guage
	Enemy_Bars.prototype.drawBar = function () {
		//Go through the enemies and draw the bars
		for (var i = 0; i < $gameTroop._enemies.length; i++) {
			var enemyId = $gameTroop._enemies[i]._enemyId;
			var selected = $gameTroop._enemies[i]._selected;
			if (BattleManager._phase === "action" || BattleManager._phase === "turn") {
				var turn = true
			} else {
				var turn = false
				console.log(BattleManager._phase)
			};

			var enabled = false;
			var meta = new Array(4);
			meta[0] = $dataEnemies[enemyId].meta.hpBar
			meta[1] = $dataEnemies[enemyId].meta.hpBarSelectionOnly
			meta[2] = $dataEnemies[enemyId].meta.hpBarTurnASelection
			meta[3] = $dataEnemies[enemyId].meta.hpBarTurnOnly

			if (meta[0]) {
				enabled = true;
			} else if (meta[1] && selected) {
				enabled = true;
			} else if (meta[2] && (selected || turn)) {
				enabled = true;
			} else if (meta[3] && turn) {
				enabled = true;
			} else {
				enabled = false;
			}

			//Current hp	
			var currentHp = $gameTroop._enemies[i]._hp;
			//If the enemy hp is not zero then draw the hp bar
			if (currentHp > 0 && enabled) {
				//Max hp defined from the enemies parameters.
				var maxHp = $dataEnemies[enemyId].params[0];
				//Rate is the currnet hp compared to the max hp
				var rate = currentHp / maxHp;
				//Width of the bar
				var width = $dataEnemies[enemyId].battlerWidth;
				var xOffset = $dataEnemies[enemyId].battlerWidth / 2 + 16;
				var x = $gameTroop._enemies[i]._screenX - xOffset;
				var y = $gameTroop._enemies[i]._screenY - 32;
				//Draw the guage
				this.drawGauge(x, y, width, rate, this.guageColor(rate), this.guageColor(rate));
			};
		};
	};

	//=============================================================================
	// Alias the Scene_Battle createAllWindows to add the hp window
	//=============================================================================
	var battleWindows = Scene_Battle.prototype.createAllWindows;
	Scene_Battle.prototype.createAllWindows = function () {
		battleWindows.call(this)
		//Add the hp window to the battle scene
		this.Bar = new Enemy_Bars(0, 0, Graphics.width, Graphics.height);
		this.addChild(this.Bar);
	};

	//=============================================================================
	// Alias the Sprite_Enemy.updateFrame to return information back to the hp window.
	//=============================================================================
	var copyOfSprite_EnemyupdateFrame = Sprite_Enemy.prototype.updateFrame;
	Sprite_Enemy.prototype.updateFrame = function () {
		Sprite_Battler.prototype.updateFrame.call(this);
		copyOfSprite_EnemyupdateFrame.call(this);
		//As we are updating the enemy sprites return the bitmaps height and width
		$dataEnemies[this._enemy._enemyId].battlerHeight = this.bitmap.height;
		$dataEnemies[this._enemy._enemyId].battlerWidth = this.bitmap.width;
	};
})();