求一个行走图叠加插件 - Project1

//=============================================================================
// Zeros_RidingSystem.js
//=============================================================================
/*:
* @plugindesc
* @author 零殇
*
* @param v
* @desc 版本
* @default 1.0
*
* @help
*
* 上坐骑图片叫做Vehicle.png，放在img/characters下面，目前只适配角色大小和坐骑图大小一样的（标准）图片，否则会出现问题
* 坐骑图片编号：图片第一行0 1 2 3，第二行4 5 6 7
*
* 使用方法：
* 事件.setRidingCharacter('Vehicle',坐骑图片编号,玩家x偏移,玩家y偏移,玩家在坐骑上的高度);
*
* setRidingCharacterFront('Vehicle') //设置坐骑前景(如果有的话可以设置这张覆盖在角色上面的图片)
*
* 比如：
* 上坐骑
* $gamePlayer.setRidingCharacter('Vehicle',0,5,5,20);
* 设置坐骑前景
* $gamePlayer.setRidingCharacterFront('VehicleFrontz')
* 下坐骑
* $gamePlayer.clearRidingCharacter()
*/
(function () {
Game_CharacterBase.prototype.setRidingCharacter = function (characterName, idx, charaHeigh, charadx, charady) {
this._ridingCharacterName = characterName;
this._ridingCharacterIndex = idx | 0;
this._charadx = charadx | 5;
this._charady = charady | 5;
this._charaHeight = charaHeigh | 20;
SceneManager.goto(Scene_Map)
};
Game_CharacterBase.prototype.setRidingCharacterFront = function (characterName) {
this._ridingCharacterNameFront = characterName;
}
// 检查角色是否骑坐骑
Game_CharacterBase.prototype.isRiding = function () {
return !!this._ridingCharacterName;
};
// 清除角色的坐骑行走图
Game_CharacterBase.prototype.clearRidingCharacter = function () {
this._ridingCharacterName = '';
this._ridingCharacterNameFront = '';
this._ridingCharacterIndex = 0;
SceneManager.goto(Scene_Map)
};
// 覆盖Sprite_Character的_updateBitmap方法
const _Sprite_Character_updateBitmap = Sprite_Character.prototype.updateBitmap;
Sprite_Character.prototype.updateBitmap = function () {
_Sprite_Character_updateBitmap.call(this);
// 检查角色是否骑坐骑，如果是，则拼接角色和坐骑的行走图
if (this._character.isRiding()) {
const characterName = this._character.characterName();
const ridingCharacterName = this._character._ridingCharacterName;
const ridingCharacterNameFront = this._character._ridingCharacterNameFront;
const characterIndex = this._character.characterIndex();
const index = this._character._ridingCharacterIndex;
const characterBitmap = ImageManager.loadCharacter(characterName);
const ridingCharacterBitmap = ImageManager.loadCharacter(ridingCharacterName);
const bitmapSize = characterBitmap.width / 12;
let chax=this._character._charadx;
let chay=this._character._charady;
console.log(chax,chay)
const combinedBitmap = new Bitmap(bitmapSize + chax * 2, bitmapSize * 2);
let drx = (index % 4 * bitmapSize * 3 + this.characterPatternX() * bitmapSize)
let dry = (Math.floor(index / 4) * bitmapSize * 4 + (this._character.direction() - 2) / 2 * bitmapSize)
let dx = (characterIndex % 4 * bitmapSize * 3)
let dy = (Math.floor(characterIndex / 4) * bitmapSize * 4 + (this._character.direction() - 2) / 2 * bitmapSize)
let dirX = (this._character.direction() == 4 ? chax : 0) + (this._character.direction() == 6 ? -chax : 0);
let dirY = (this._character.direction() == 8 ? chay : 0) + (this._character.direction() == 2 ? -chay : 0);
combinedBitmap.blt(ridingCharacterBitmap, drx, dry, bitmapSize, bitmapSize, chax, bitmapSize);
combinedBitmap.blt(characterBitmap, dx, dy, bitmapSize, bitmapSize, dirX + chax, dirY + bitmapSize - this._character._charaHeight);
if(ridingCharacterNameFront){
const ridingCharacterBitmapFront = ImageManager.loadCharacter(ridingCharacterNameFront);
combinedBitmap.blt(ridingCharacterBitmapFront, drx, dry, bitmapSize, bitmapSize, chax, bitmapSize);
}
this.bitmap = combinedBitmap;
}
};
Sprite_Character.prototype.updateCharacterFrame = function () {
const pw = this.patternWidth();
const ph = this.patternHeight();
const sx = (this.characterBlockX() + this.characterPatternX()) * pw;
const sy = (this.characterBlockY() + this.characterPatternY()) * ph;
if (this._character.isRiding()) return;
else this.setFrame(sx, sy, pw, ph);
};
})();

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