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[engine] cc.TiledLayer 增加复用 culling 数据特性

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This commit is contained in:
SmallMain 2022-07-29 15:34:56 +08:00
parent 02c09a2425
commit 4e62c1e085
1 changed files with 53 additions and 15 deletions
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40
engine/cocos2d/tilemap/CCTiledLayer.js
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@ -62,7 +62,29 @@ let TiledLayer = cc.Class({
extends: RenderComponent,
editor: {
inspector: 'packages://inspector/inspectors/comps/tiled-layer.js',
inspector: 'packages://enhance-kit/inspectors/comps/tiled-layer.js',
},
properties: {
/**
* !#en Use the culling data of the specified layer, this reduces the performance consumption of culling but has limitations, please read the documentation for details.
* !#zh 使用指定 TiledLayer 的裁剪数据，这能降低裁剪的性能消耗，但该功能有所限制，详情请阅读文档。
* @property {TiledLayer} cullingLayer
*/
cullingLayer: {
default: null,
type: cc.Node,
tooltip: CC_DEV && '使用指定 TiledLayer 的裁剪数据，这能降低裁剪的性能消耗，但该功能有所限制，详情请阅读文档',
animatable: false,
notify(oldValue) {
if (this.cullingLayer) {
if (!this.cullingLayer.getComponent(cc.TiledLayer)) {
cc.warn("no cc.TiledLayer component on the cullingLayer node");
this.cullingLayer = undefined;
}
}
},
}
},
ctor () {
@ -86,6 +108,7 @@ let TiledLayer = cc.Class({
rightTop:{row:-1, col:-1}
};
this._cullingDirty = true;
this._cullingDirtyForReuse = true;
this._rightTop = {row:-1, col:-1};
this._layerInfo = null;
@ -821,6 +844,18 @@ let TiledLayer = cc.Class({
if (CC_EDITOR) {
this.enableCulling(false);
} else if (this._enableCulling) {
if (this.cullingLayer) {
const _cullingRect = this._cullingRect;
const layerComp = this.cullingLayer.getComponent(cc.TiledLayer);
if (layerComp) {
const __cullingRect = layerComp._cullingRect;
_cullingRect.leftDown.row = __cullingRect.leftDown.row;
_cullingRect.leftDown.col = __cullingRect.leftDown.col;
_cullingRect.rightTop.row = __cullingRect.rightTop.row;
_cullingRect.rightTop.col = __cullingRect.rightTop.col;
this._cullingDirty = this._cullingDirtyForReuse;
}
} else {
this.node._updateWorldMatrix();
Mat4.invert(_mat4_temp, this.node._worldMatrix);
let rect = cc.visibleRect;
@ -835,6 +870,9 @@ let TiledLayer = cc.Class({
Vec2.transformMat4(_vec2_temp, _vec2_temp, _mat4_temp);
Vec2.transformMat4(_vec2_temp2, _vec2_temp2, _mat4_temp);
this._updateViewPort(_vec2_temp.x, _vec2_temp.y, _vec2_temp2.x - _vec2_temp.x, _vec2_temp2.y - _vec2_temp.y);
// fillBuffers 之后会修改 _cullingDirty 导致无法复用裁剪数据
this._cullingDirtyForReuse = this._cullingDirty;
}
}
}
},