molstar
Version:
A comprehensive macromolecular library.
126 lines (125 loc) • 5.71 kB
JavaScript
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/**
* Copyright (c) 2018-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.sizeDataFactor = void 0;
exports.createSizes = createSizes;
exports.getMaxSize = getMaxSize;
exports.createValueSize = createValueSize;
exports.createUniformSize = createUniformSize;
exports.createTextureSize = createTextureSize;
exports.createInstanceSize = createInstanceSize;
exports.createGroupSize = createGroupSize;
exports.createGroupInstanceSize = createGroupInstanceSize;
const mol_util_1 = require("../../mol-util");
const linear_algebra_1 = require("../../mol-math/linear-algebra");
const util_1 = require("../../mol-gl/renderable/util");
const location_1 = require("../../mol-model/location");
const geometry_1 = require("./geometry");
const number_packing_1 = require("../../mol-util/number-packing");
function createSizes(locationIt, sizeTheme, sizeData) {
switch (geometry_1.Geometry.getGranularity(locationIt, sizeTheme.granularity)) {
case 'uniform': return createUniformSize(locationIt, sizeTheme.size, sizeData);
case 'group': return createGroupSize(locationIt, sizeTheme.size, sizeData);
case 'groupInstance': return createGroupInstanceSize(locationIt, sizeTheme.size, sizeData);
case 'instance': return createInstanceSize(locationIt, sizeTheme.size, sizeData);
}
}
exports.sizeDataFactor = 100; // NOTE same factor is set in shaders
function getMaxSize(sizeData) {
const type = sizeData.dSizeType.ref.value;
switch (type) {
case 'uniform':
return sizeData.uSize.ref.value;
case 'instance':
case 'group':
case 'groupInstance':
let maxSize = 0;
const array = sizeData.tSize.ref.value.array;
for (let i = 0, il = array.length; i < il; i += 3) {
const value = (0, number_packing_1.unpackRGBToInt)(array[i], array[i + 1], array[i + 2]);
if (maxSize < value)
maxSize = value;
}
return maxSize / exports.sizeDataFactor;
}
}
const emptySizeTexture = { array: new Uint8Array(3), width: 1, height: 1 };
function createEmptySizeTexture() {
return {
tSize: mol_util_1.ValueCell.create(emptySizeTexture),
uSizeTexDim: mol_util_1.ValueCell.create(linear_algebra_1.Vec2.create(1, 1))
};
}
function createValueSize(value, sizeData) {
if (sizeData) {
mol_util_1.ValueCell.update(sizeData.uSize, value);
mol_util_1.ValueCell.updateIfChanged(sizeData.dSizeType, 'uniform');
return sizeData;
}
else {
return {
uSize: mol_util_1.ValueCell.create(value),
...createEmptySizeTexture(),
dSizeType: mol_util_1.ValueCell.create('uniform'),
};
}
}
/** Creates size uniform */
function createUniformSize(locationIt, sizeFn, sizeData) {
return createValueSize(sizeFn(location_1.NullLocation), sizeData);
}
function createTextureSize(sizes, type, sizeData) {
if (sizeData) {
mol_util_1.ValueCell.update(sizeData.tSize, sizes);
mol_util_1.ValueCell.update(sizeData.uSizeTexDim, linear_algebra_1.Vec2.create(sizes.width, sizes.height));
mol_util_1.ValueCell.updateIfChanged(sizeData.dSizeType, type);
return sizeData;
}
else {
return {
uSize: mol_util_1.ValueCell.create(0),
tSize: mol_util_1.ValueCell.create(sizes),
uSizeTexDim: mol_util_1.ValueCell.create(linear_algebra_1.Vec2.create(sizes.width, sizes.height)),
dSizeType: mol_util_1.ValueCell.create(type),
};
}
}
/** Creates size texture with size for each instance/unit */
function createInstanceSize(locationIt, sizeFn, sizeData) {
const { instanceCount } = locationIt;
const sizes = (0, util_1.createTextureImage)(Math.max(1, instanceCount), 3, Uint8Array, sizeData && sizeData.tSize.ref.value.array);
locationIt.reset();
while (locationIt.hasNext && !locationIt.isNextNewInstance) {
const v = locationIt.move();
(0, number_packing_1.packIntToRGBArray)(sizeFn(v.location) * exports.sizeDataFactor, sizes.array, v.instanceIndex * 3);
locationIt.skipInstance();
}
return createTextureSize(sizes, 'instance', sizeData);
}
/** Creates size texture with size for each group (i.e. shared across instances/units) */
function createGroupSize(locationIt, sizeFn, sizeData) {
const { groupCount } = locationIt;
const sizes = (0, util_1.createTextureImage)(Math.max(1, groupCount), 3, Uint8Array, sizeData && sizeData.tSize.ref.value.array);
locationIt.reset();
while (locationIt.hasNext && !locationIt.isNextNewInstance) {
const v = locationIt.move();
(0, number_packing_1.packIntToRGBArray)(sizeFn(v.location) * exports.sizeDataFactor, sizes.array, v.groupIndex * 3);
}
return createTextureSize(sizes, 'group', sizeData);
}
/** Creates size texture with size for each group in each instance (i.e. for each unit) */
function createGroupInstanceSize(locationIt, sizeFn, sizeData) {
const { groupCount, instanceCount } = locationIt;
const count = instanceCount * groupCount;
const sizes = (0, util_1.createTextureImage)(Math.max(1, count), 3, Uint8Array, sizeData && sizeData.tSize.ref.value.array);
locationIt.reset();
while (locationIt.hasNext) {
const v = locationIt.move();
(0, number_packing_1.packIntToRGBArray)(sizeFn(v.location) * exports.sizeDataFactor, sizes.array, v.index * 3);
}
return createTextureSize(sizes, 'groupInstance', sizeData);
}