122 lines
3.9 KiB
Java
122 lines
3.9 KiB
Java
package com.mojang.blaze3d.vertex;
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import com.mojang.blaze3d.DontObfuscate;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Stream;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import org.jetbrains.annotations.Nullable;
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@Environment(EnvType.CLIENT)
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@DontObfuscate
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public record VertexFormatElement(int id, int index, VertexFormatElement.Type type, VertexFormatElement.Usage usage, int count) {
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public static final int MAX_COUNT = 32;
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private static final VertexFormatElement[] BY_ID = new VertexFormatElement[32];
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private static final List<VertexFormatElement> ELEMENTS = new ArrayList(32);
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public static final VertexFormatElement POSITION = register(0, 0, VertexFormatElement.Type.FLOAT, VertexFormatElement.Usage.POSITION, 3);
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public static final VertexFormatElement COLOR = register(1, 0, VertexFormatElement.Type.UBYTE, VertexFormatElement.Usage.COLOR, 4);
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public static final VertexFormatElement UV0 = register(2, 0, VertexFormatElement.Type.FLOAT, VertexFormatElement.Usage.UV, 2);
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public static final VertexFormatElement UV = UV0;
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public static final VertexFormatElement UV1 = register(3, 1, VertexFormatElement.Type.SHORT, VertexFormatElement.Usage.UV, 2);
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public static final VertexFormatElement UV2 = register(4, 2, VertexFormatElement.Type.SHORT, VertexFormatElement.Usage.UV, 2);
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public static final VertexFormatElement NORMAL = register(5, 0, VertexFormatElement.Type.BYTE, VertexFormatElement.Usage.NORMAL, 3);
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public VertexFormatElement(int id, int index, VertexFormatElement.Type type, VertexFormatElement.Usage usage, int count) {
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if (id < 0 || id >= BY_ID.length) {
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throw new IllegalArgumentException("Element ID must be in range [0; " + BY_ID.length + ")");
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} else if (!this.supportsUsage(index, usage)) {
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throw new IllegalStateException("Multiple vertex elements of the same type other than UVs are not supported");
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} else {
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this.id = id;
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this.index = index;
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this.type = type;
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this.usage = usage;
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this.count = count;
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}
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}
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public static VertexFormatElement register(int i, int j, VertexFormatElement.Type type, VertexFormatElement.Usage usage, int k) {
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VertexFormatElement vertexFormatElement = new VertexFormatElement(i, j, type, usage, k);
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if (BY_ID[i] != null) {
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throw new IllegalArgumentException("Duplicate element registration for: " + i);
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} else {
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BY_ID[i] = vertexFormatElement;
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ELEMENTS.add(vertexFormatElement);
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return vertexFormatElement;
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}
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}
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private boolean supportsUsage(int i, VertexFormatElement.Usage usage) {
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return i == 0 || usage == VertexFormatElement.Usage.UV;
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}
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public String toString() {
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return this.count + "," + this.usage + "," + this.type + " (" + this.id + ")";
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}
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public int mask() {
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return 1 << this.id;
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}
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public int byteSize() {
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return this.type.size() * this.count;
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}
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@Nullable
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public static VertexFormatElement byId(int i) {
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return BY_ID[i];
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}
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public static Stream<VertexFormatElement> elementsFromMask(int i) {
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return ELEMENTS.stream().filter(vertexFormatElement -> vertexFormatElement != null && (i & vertexFormatElement.mask()) != 0);
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}
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@Environment(EnvType.CLIENT)
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@DontObfuscate
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public static enum Type {
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FLOAT(4, "Float"),
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UBYTE(1, "Unsigned Byte"),
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BYTE(1, "Byte"),
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USHORT(2, "Unsigned Short"),
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SHORT(2, "Short"),
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UINT(4, "Unsigned Int"),
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INT(4, "Int");
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private final int size;
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private final String name;
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private Type(final int j, final String string2) {
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this.size = j;
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this.name = string2;
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}
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public int size() {
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return this.size;
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}
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public String toString() {
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return this.name;
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}
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}
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@Environment(EnvType.CLIENT)
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@DontObfuscate
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public static enum Usage {
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POSITION("Position"),
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NORMAL("Normal"),
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COLOR("Vertex Color"),
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UV("UV"),
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GENERIC("Generic");
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private final String name;
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private Usage(final String string2) {
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this.name = string2;
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}
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public String toString() {
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return this.name;
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}
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}
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}
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