getDamageInfo+getEnemyInfo

_saves/Eustia_autoSave

@@ -1 +1 @@
-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=
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

project/enemys.js

@@ -1,7 +1,7 @@
 var enemys_fcae963b_31c9_42b4_b48c_bb48d09f3f80 = 
 {
-	"greenSlime": {"name":"绿头怪","hp":0,"atk":0,"def":0,"money":0,"exp":0,"point":0,"special":0},
+	"greenSlime": {"name":"绿头怪","hp":0,"atk":0,"def":0,"money":0,"exp":0,"point":0,"special":0,"magic":false},
-	"redSlime": {"name":"红头怪","hp":0,"atk":0,"def":0,"money":0,"exp":0,"point":0,"special":[],"value":10},
+	"redSlime": {"name":"红头怪","hp":0,"atk":0,"def":0,"money":0,"exp":0,"point":0,"special":[],"value":10,"magic":false},
 	"blackSlime": {"name":"青头怪","hp":0,"atk":0,"def":0,"money":0,"exp":0,"point":0,"special":0},
 	"slimelord": {"name":"怪王","hp":100,"atk":120,"def":0,"money":10,"exp":0,"point":0,"special":[1,9]},
 	"bat": {"name":"小蝙蝠","hp":100,"atk":120,"def":0,"money":2,"exp":0,"point":0,"special":[1]},

project/functions.js

@@ -531,15 +531,21 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 	var hero_hp = core.getRealStatusOrDefault(hero, 'hp'),
 		hero_atk = core.getRealStatusOrDefault(hero, 'atk'),
 		hero_def = core.getRealStatusOrDefault(hero, 'def'),
-		hero_mdef = core.getRealStatusOrDefault(hero, 'mdef');
+		hero_mdef = core.getRealStatusOrDefault(hero, 'mdef'),
+		hero_speed = core.getRealStatusOrDefault(hero, 'speed');
 
 	var mon_hp = core.getEnemyValue(enemy, 'hp', x, y, floorId),
 		mon_atk = core.getEnemyValue(enemy, 'atk', x, y, floorId),
 		mon_def = core.getEnemyValue(enemy, 'def', x, y, floorId),
+		mon_mdef = core.getEnemyValue(enemy, 'mdef', x, y, floorId),
+		mon_speed = core.getEnemyValue(enemy, 'speed', x, y, floorId),
 		mon_special = core.getEnemyValue(enemy, 'special', x, y, floorId);
 	var mon_money = core.getEnemyValue(enemy, 'money', x, y, floorId),
 		mon_exp = core.getEnemyValue(enemy, 'exp', x, y, floorId),
 		mon_point = core.getEnemyValue(enemy, 'point', x, y, floorId);
+	var mon_barrier = 0,
+		mon_absorb_damage = 0,
+		mon_magic = core.getEnemyValue(enemy, 'magic', x, y, floorId);
 	// 模仿
 	if (core.hasSpecial(mon_special, 10)) {
 		mon_atk = hero_atk;
@@ -633,10 +639,15 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 		"hp": Math.floor(mon_hp),
 		"atk": Math.floor(mon_atk),
 		"def": Math.floor(mon_def),
+		"mdef": Math.floor(mon_mdef),
+		"speed": Math.floor(mon_speed),
+		"barrier": Math.floor(mon_barrier),
+		"absorb": Math.floor(mon_absorb_damage),
 		"money": Math.floor(mon_money),
 		"exp": Math.floor(mon_exp),
 		"point": Math.floor(mon_point),
 		"special": mon_special,
+		"magic": mon_magic,
 		"guards": guards, // 返回支援情况
 	};
 },
@@ -655,15 +666,13 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 		hero_atk = core.getRealStatusOrDefault(hero, 'atk'),
 		hero_def = core.getRealStatusOrDefault(hero, 'def'),
 		hero_mdef = core.getRealStatusOrDefault(hero, 'mdef'),
+		hero_speed = core.getRealStatusOrDefault(hero, 'speed'),
+		hero_magic = core.getRealStatusOrDefault(hero, 'magic'),
 		origin_hero_hp = core.getStatusOrDefault(hero, 'hp'),
 		origin_hero_atk = core.getStatusOrDefault(hero, 'atk'),
 		origin_hero_def = core.getStatusOrDefault(hero, 'def');
 
-	// 勇士的负属性都按0计算
+
-	hero_hp = Math.max(0, hero_hp);
-	hero_atk = Math.max(0, hero_atk);
-	hero_def = Math.max(0, hero_def);
-	hero_mdef = Math.max(0, hero_mdef);
 
 	// 怪物的各项数据
 	// 对坚固模仿等处理扔到了脚本编辑-getEnemyInfo之中
@@ -671,23 +680,34 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 	var mon_hp = enemyInfo.hp,
 		mon_atk = enemyInfo.atk,
 		mon_def = enemyInfo.def,
-		mon_special = enemyInfo.special;
+		mon_mdef = enemyInfo.mdef,
+		mon_speed = enemyInfo.speed,
+		mon_special = enemyInfo.special,
+		mon_absorb_damage = enemyInfo.absorb,
+		mon_barrier = enemyInfo.barrier;
 
+	//---第一部分：静态属性修正---
+	//此处写入静态影响勇士属性的勇士或怪物技能（静态影响怪物属性的技能于getEnemyInfo中写入）
 	// 技能的处理
 	if (core.getFlag('skill', 0) == 1) { // 开启了技能1：二倍斩
 		hero_atk *= 2; // 计算时攻击力翻倍	
 	}
+	//勇士属性取整
+	hero_atk = Math.max(0, Math.floor(hero_atk));
+	hero_def = Math.max(0, Math.floor(hero_def));
+	hero_mdef = Math.max(0, Math.floor(hero_mdef));
+	hero_speed = Math.max(0, Math.floor(hero_speed));
 
 	// 如果是无敌属性，且勇士未持有十字架
 	if (core.hasSpecial(mon_special, 20) && !core.hasItem("cross"))
 		return null; // 不可战斗
 
 	// 战前造成的额外伤害（可被护盾抵消）
-	var init_damage = 0;
+	let init_damage = 0;
 
 	// 吸血
 	if (core.hasSpecial(mon_special, 11)) {
-		var vampire_damage = hero_hp * enemy.vampire;
+		let vampire_damage = hero_hp * enemy.vampire;
 
 		// 如果有神圣盾免疫吸血等可以在这里写
 		// 也可以用hasItem和hasEquip来判定装备
@@ -701,17 +721,60 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 		init_damage += vampire_damage;
 	}
 
+	//——第二部分：变量定义和初始赋值——
 	// 每回合怪物对勇士造成的战斗伤害
-	var per_damage = mon_atk - hero_def;
+	let per_damage = Math.max(mon_atk - hero_def, 0);
+	if (enemyInfo.magic) per_damage = Math.max(mon_atk - hero_mdef, 0);
 
-	// 战斗伤害不能为负值
+	//
-	if (per_damage < 0) per_damage = 0;
+	let hero_per_damage = Math.max(hero_atk - mon_def, 0);
+	if (hero_magic) hero_per_damage = Math.max(hero_atk - mon_mdef, 0);
 
+	let damage = 0,
+		hero_turn = 0,
+		mon_turn = 0;
+	//---第三部分：递归开始---
+	let length = hero_speed * mon_speed;
+
+	for (let now_mon_hp = mon_hp, last_mon_hp = mon_hp, mon_length = length, hero_length = length, mon_time = 0, hero_time = 0; now_mon_hp > 0;) { //勇士和怪物的长度
+		mon_time = mon_length / mon_speed;
+		hero_time = hero_length / hero_speed;
+		if ((mon_time < hero_time) || ((mon_time = hero_time) && (mon_speed > hero_speed))) { //怪物攻击的回合
+			//这里计算怪物攻击时发生的各种变化
+
+			//伤害与回合增加
+			damage += per_damage;
+			if (core.hasSpecial(mon_special, 6)) {
+				mon_turn += enemy.n;
+			} else {
+				mon_turn += 1;
+			}
+			//重新为长度赋值
+			mon_length = length;
+			hero_length = hero_length - mon_time * hero_speed;
+		} else { //勇士攻击的回合
+			// 这里计算勇士攻击时发生的各种变化
+
+			// 伤害与回合数增加
+			now_mon_hp -= hero_per_damage;
+			hero_turn += 1; //勇士回合+1，如果有勇士每回合多次攻击的情况，在这里写判断
+			// 无法战斗计算
+			if (hero_turn % 50 == 0) {
+				if (now_mon_hp >= last_mon_hp) return null;
+				last_mon_hp = now_mon_hp;
+			}
+			//重新为长度赋值
+			hero_length = length;
+			mon_length = mon_length - hero_time * mon_speed;
+		}
+	}
+
+	//下面这些还没修改
 	// 连击
 	if (core.hasSpecial(mon_special, 6)) per_damage *= (enemy.n || 2);
 
 	// 每回合的反击伤害；反击是按照勇士的攻击次数来计算回合
-	var counterDamage = 0;
+	let counterDamage = 0;
 	if (core.hasSpecial(mon_special, 8))
 		counterDamage += Math.floor((enemy.counterAttack || core.values.counterAttack) * hero_atk);
 
@@ -725,19 +788,14 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 	// 净化
 	if (core.hasSpecial(mon_special, 9))
 		init_damage += Math.floor((enemy.purify || core.values.purify) * hero_mdef);
-
+	//上面这些还没修改
-	// 勇士每回合对怪物造成的伤害
+	//勇士护盾计算
-	var hero_per_damage = Math.max(hero_atk - mon_def, 0);
+	let barrier = hero_mdef;
-
+	if (enemyInfo.magic) barrier = hero_def;
-	// 如果没有破防，则不可战斗
-	if (hero_per_damage <= 0) return null;
-
-	// 勇士的攻击回合数；为怪物生命除以每回合伤害向上取整
-	var turn = Math.ceil(mon_hp / hero_per_damage);
 
 	// ------ 支援 ----- //
 	// 这个递归最好想明白为什么，flag:__extraTurn__是怎么用的
-	var guards = core.getFlag("__guards__" + x + "_" + y, enemyInfo.guards);
+	/*var guards = core.getFlag("__guards__" + x + "_" + y, enemyInfo.guards);
 	var guard_before_current_enemy = false; // ------ 支援怪是先打(true)还是后打(false)？
 	turn += core.getFlag("__extraTurn__", 0);
 	if (guards.length > 0) {
@@ -764,13 +822,13 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 			turn += core.getFlag("__extraTurn__", 0);
 		}
 	}
-	core.removeFlag("__extraTurn__");
+	core.removeFlag("__extraTurn__");*/
 	// ------ 支援END ------ //
 
 	// 最终伤害：初始伤害 + 怪物对勇士造成的伤害 + 反击伤害
-	var damage = init_damage + (turn - 1) * per_damage + turn * counterDamage;
+	damage += init_damage + hero_turn * counterDamage;
 	// 再扣去护盾
-	damage -= hero_mdef;
+	damage -= barrier;
 
 	// 检查是否允许负伤
 	if (!core.flags.enableNegativeDamage)
@@ -788,12 +846,18 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 		"mon_hp": Math.floor(mon_hp),
 		"mon_atk": Math.floor(mon_atk),
 		"mon_def": Math.floor(mon_def),
+		"mon_mdef": Math.floor(mon_mdef),
 		"init_damage": Math.floor(init_damage),
 		"per_damage": Math.floor(per_damage),
 		"hero_per_damage": Math.floor(hero_per_damage),
-		"turn": Math.floor(turn),
+		"turn": Math.floor(hero_turn),
+		"mon_turn": Math.floor(mon_turn),
 		"damage": Math.floor(damage)
 	};
+	/*TODO:怪物手册的修改（需要修改这里return的内容以及一些战后判断）
+	1. 显示怪物是魔攻还是物攻（在怪物名字上做颜色变化，物攻是黄色，魔攻是蓝色）
+	2. 一防减伤是物防还是魔防（由怪物是物攻还是魔攻来转换）
+	3. 特殊战斗的怪物，在怪物手册里“伤害”写为“特殊战”*/
 }
     },
     "actions": {

project/plugins.js

@@ -13741,71 +13741,71 @@ var plugins_bb40132b_638b_4a9f_b028_d3fe47acc8d1 =
     };
   },
     "属性映射": function () {
-    // 在此增加新插件
+	// 在此增加新插件
-    this.statusEquip = function () {
+	this.statusEquip = function () {
-      const hero = core.status.hero;
+		const hero = core.status.hero;
-      //装备具体效果在这里写，道具填写道具类型为equip并选择装备类型，道具的装备属性中装备类型遵循以下填写方式：
+		//装备具体效果在这里写，道具填写道具类型为equip并选择装备类型，道具的装备属性中装备类型遵循以下填写方式：
-      //固定装备孔的填写0/1/2/3，分别对应主手、副手、防具、饰品
+		//固定装备孔的填写0/1/2/3，分别对应主手、副手、防具、饰品
-      //主副手同时可使用的，填写 武器
+		//主副手同时可使用的，填写 武器
-      //具体的换装时装备切换操作写在新道具栏/物品栏插件
+		//具体的换装时装备切换操作写在新道具栏/物品栏插件
-      //当前仅完善法杖、单手剑、双手剑、匕首、盾牌的多孔切换操作
+		//当前仅完善法杖、单手剑、双手剑、匕首、盾牌的多孔切换操作
-      //主武器效果
+		//主武器效果
-      if (core.getEquip[0]) {
+		if (core.getEquip[0]) {
-        switch (core.getEquip[0]) {
+			switch (core.getEquip[0]) {
-          case "sword1":
+			case "sword1":
-            hero.atk = hero.str + hero.agi;
+				hero.atk = hero.str + hero.agi;
-            hero.magic = false;
+				hero.magic = false;
-            break;
+				break;
-        }
+			}
-      }
+		}
-      //副手效果
+		//副手效果
-      if (core.getEquip[1]) {
+		if (core.getEquip[1]) {
-        switch (core.getEquip[1]) {
+			switch (core.getEquip[1]) {
-          case "sword1":
+			case "sword1":
-            hero.atk += hero.agi;
+				hero.atk += hero.agi;
-            break;
+				break;
-        }
+			}
-      }
+		}
-      //防具效果
+		//防具效果
-      if (core.getEquip[2]) {
+		if (core.getEquip[2]) {
-        switch (core.getEquip[2]) {
+			switch (core.getEquip[2]) {
-          case "sword1":
+			case "sword1":
-            hero.def = hero.con + hero.agi;
+				hero.def = hero.con + hero.agi;
-            hero.hpmax = 2.5 * hero.con;
+				hero.hpmax = 2.5 * hero.con;
-            break;
+				break;
-        }
+			}
-      }
+		}
-      //饰品效果
+		//饰品效果
-      if (core.getEquip[3]) {
+		if (core.getEquip[3]) {
-        switch (core.getEquip[3]) {
+			switch (core.getEquip[3]) {
-          case "sword1":
+			case "sword1":
-            hero.speed += 0.4 * hero.int + 0.6 * hero.agi;
+				hero.speed += 0.4 * hero.int + 0.6 * hero.agi;
-            break;
+				break;
-        }
+			}
-      }
+		}
-    };
+	};
-    this.updateStatus = function () {
+	this.updateStatus = function () {
-      const hero = core.status.hero;
+		const hero = core.status.hero;
-      //默认映射关系
+		//默认映射关系
-      hero.hpmax = hero.str * 50 + hero.con * 50;
+		hero.hpmax = hero.str * 50 + hero.con * 50;
-      hero.atk = hero.str * 0.5 + hero.int * 0.5;
+		hero.atk = hero.str * 0.5 + hero.int * 0.5;
-      hero.manamax = hero.agi * 0.5 + hero.int * 0.5;
+		hero.manamax = hero.agi * 0.5 + hero.int * 0.5;
-      hero.def = hero.con * 0.5 + hero.agi * 0.5;
+		hero.def = hero.con * 0.5 + hero.agi * 0.5;
-      hero.mdef = hero.con * 0.5 + hero.int * 0.5;
+		hero.mdef = hero.con * 0.5 + hero.int * 0.5;
-      hero.speed = hero.str * 0.5 + hero.agi * 0.5;
+		hero.speed = hero.str * 0.5 + hero.agi * 0.5;
-      hero.magic = false;
+		hero.magic = false;
-      this.statusEquip(); //处理装备效果
+		this.statusEquip(); //处理装备效果
-      for (let v in hero) {
+		for (let v in hero) {
-        //归整
+			//归整
-        if (typeof hero[v] === "number") {
+			if (typeof hero[v] === "number") {
-          hero[v] = Math.floor(hero[v]);
+				hero[v] = Math.floor(hero[v]);
-        }
+			}
-      }
+		}
-      hero.hp = Math.min(hero.hp, hero.hpmax);
+		hero.hp = Math.min(hero.hp, hero.hpmax);
-      hero.mana = Math.min(hero.mana, hero.manamax);
+		hero.mana = Math.min(hero.mana, hero.manamax);
-      core.status.hero = hero;
+		core.status.hero = hero;
-    };
+	};
-  },
+},
     "回合制boss战": function () {
     // 在此增加新插件
     const boss = document.createElement("canvas"); //boss战画布设置