243 lines
9.6 KiB
Java
243 lines
9.6 KiB
Java
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package net.minecraft.client.gui.font.providers;
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import com.mojang.blaze3d.font.GlyphInfo;
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import com.mojang.blaze3d.font.GlyphProvider;
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import com.mojang.blaze3d.font.SheetGlyphInfo;
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import com.mojang.blaze3d.platform.NativeImage;
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import com.mojang.blaze3d.systems.RenderSystem;
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import com.mojang.blaze3d.textures.GpuTexture;
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import com.mojang.datafixers.util.Either;
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import com.mojang.logging.LogUtils;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DataResult;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import it.unimi.dsi.fastutil.ints.IntSet;
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import it.unimi.dsi.fastutil.ints.IntSets;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Function;
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import javax.annotation.Nullable;
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import net.minecraft.client.gui.font.CodepointMap;
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import net.minecraft.client.gui.font.glyphs.BakedGlyph;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.server.packs.resources.ResourceManager;
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import net.minecraftforge.api.distmarker.Dist;
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import net.minecraftforge.api.distmarker.OnlyIn;
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import org.slf4j.Logger;
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@OnlyIn(Dist.CLIENT)
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public class BitmapProvider implements GlyphProvider {
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static final Logger LOGGER = LogUtils.getLogger();
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private final NativeImage image;
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private final CodepointMap<BitmapProvider.Glyph> glyphs;
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BitmapProvider(NativeImage p_285380_, CodepointMap<BitmapProvider.Glyph> p_285445_) {
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this.image = p_285380_;
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this.glyphs = p_285445_;
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}
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@Override
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public void close() {
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this.image.close();
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}
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@Nullable
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@Override
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public GlyphInfo getGlyph(int p_232638_) {
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return this.glyphs.get(p_232638_);
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}
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@Override
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public IntSet getSupportedGlyphs() {
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return IntSets.unmodifiable(this.glyphs.keySet());
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}
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@OnlyIn(Dist.CLIENT)
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public record Definition(ResourceLocation file, int height, int ascent, int[][] codepointGrid) implements GlyphProviderDefinition {
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private static final Codec<int[][]> CODEPOINT_GRID_CODEC = Codec.STRING.listOf().xmap(p_286900_ -> {
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int i = p_286900_.size();
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int[][] aint = new int[i][];
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for (int j = 0; j < i; j++) {
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aint[j] = p_286900_.get(j).codePoints().toArray();
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}
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return aint;
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}, p_286828_ -> {
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List<String> list = new ArrayList<>(p_286828_.length);
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for (int[] aint : p_286828_) {
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list.add(new String(aint, 0, aint.length));
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}
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return list;
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}).validate(BitmapProvider.Definition::validateDimensions);
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public static final MapCodec<BitmapProvider.Definition> CODEC = RecordCodecBuilder.<BitmapProvider.Definition>mapCodec(
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p_286905_ -> p_286905_.group(
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ResourceLocation.CODEC.fieldOf("file").forGetter(BitmapProvider.Definition::file),
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Codec.INT.optionalFieldOf("height", 8).forGetter(BitmapProvider.Definition::height),
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Codec.INT.fieldOf("ascent").forGetter(BitmapProvider.Definition::ascent),
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CODEPOINT_GRID_CODEC.fieldOf("chars").forGetter(BitmapProvider.Definition::codepointGrid)
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)
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.apply(p_286905_, BitmapProvider.Definition::new)
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)
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.validate(BitmapProvider.Definition::validate);
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private static DataResult<int[][]> validateDimensions(int[][] p_286348_) {
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int i = p_286348_.length;
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if (i == 0) {
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return DataResult.error(() -> "Expected to find data in codepoint grid");
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} else {
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int[] aint = p_286348_[0];
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int j = aint.length;
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if (j == 0) {
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return DataResult.error(() -> "Expected to find data in codepoint grid");
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} else {
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for (int k = 1; k < i; k++) {
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int[] aint1 = p_286348_[k];
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if (aint1.length != j) {
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return DataResult.error(
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() -> "Lines in codepoint grid have to be the same length (found: "
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+ aint1.length
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+ " codepoints, expected: "
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+ j
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+ "), pad with \\u0000"
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);
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}
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}
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return DataResult.success(p_286348_);
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}
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}
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}
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private static DataResult<BitmapProvider.Definition> validate(BitmapProvider.Definition p_286662_) {
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return p_286662_.ascent > p_286662_.height
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? DataResult.error(() -> "Ascent " + p_286662_.ascent + " higher than height " + p_286662_.height)
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: DataResult.success(p_286662_);
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}
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@Override
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public GlyphProviderType type() {
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return GlyphProviderType.BITMAP;
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}
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@Override
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public Either<GlyphProviderDefinition.Loader, GlyphProviderDefinition.Reference> unpack() {
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return Either.left(this::load);
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}
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private GlyphProvider load(ResourceManager p_286694_) throws IOException {
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ResourceLocation resourcelocation = this.file.withPrefix("textures/");
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BitmapProvider bitmapprovider;
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try (InputStream inputstream = p_286694_.open(resourcelocation)) {
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NativeImage nativeimage = NativeImage.read(NativeImage.Format.RGBA, inputstream);
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int i = nativeimage.getWidth();
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int j = nativeimage.getHeight();
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int k = i / this.codepointGrid[0].length;
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int l = j / this.codepointGrid.length;
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float f = (float)this.height / l;
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CodepointMap<BitmapProvider.Glyph> codepointmap = new CodepointMap<>(BitmapProvider.Glyph[]::new, BitmapProvider.Glyph[][]::new);
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for (int i1 = 0; i1 < this.codepointGrid.length; i1++) {
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int j1 = 0;
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for (int k1 : this.codepointGrid[i1]) {
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int l1 = j1++;
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if (k1 != 0) {
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int i2 = this.getActualGlyphWidth(nativeimage, k, l, l1, i1);
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BitmapProvider.Glyph bitmapprovider$glyph = codepointmap.put(
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k1, new BitmapProvider.Glyph(f, nativeimage, l1 * k, i1 * l, k, l, (int)(0.5 + i2 * f) + 1, this.ascent)
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);
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if (bitmapprovider$glyph != null) {
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BitmapProvider.LOGGER.warn("Codepoint '{}' declared multiple times in {}", Integer.toHexString(k1), resourcelocation);
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}
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}
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}
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}
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bitmapprovider = new BitmapProvider(nativeimage, codepointmap);
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}
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return bitmapprovider;
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}
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private int getActualGlyphWidth(NativeImage p_286449_, int p_286656_, int p_286554_, int p_286657_, int p_286307_) {
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int i;
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for (i = p_286656_ - 1; i >= 0; i--) {
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int j = p_286657_ * p_286656_ + i;
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for (int k = 0; k < p_286554_; k++) {
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int l = p_286307_ * p_286554_ + k;
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if (p_286449_.getLuminanceOrAlpha(j, l) != 0) {
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return i + 1;
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}
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}
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}
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return i + 1;
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}
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}
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@OnlyIn(Dist.CLIENT)
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record Glyph(float scale, NativeImage image, int offsetX, int offsetY, int width, int height, int advance, int ascent) implements GlyphInfo {
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@Override
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public float getAdvance() {
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return this.advance;
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}
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@Override
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public BakedGlyph bake(Function<SheetGlyphInfo, BakedGlyph> p_232640_) {
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return p_232640_.apply(
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new SheetGlyphInfo() {
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@Override
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public float getOversample() {
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return 1.0F / Glyph.this.scale;
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}
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@Override
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public int getPixelWidth() {
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return Glyph.this.width;
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}
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@Override
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public int getPixelHeight() {
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return Glyph.this.height;
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}
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@Override
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public float getBearingTop() {
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return Glyph.this.ascent;
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}
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@Override
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public void upload(int p_232658_, int p_232659_, GpuTexture p_392194_) {
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RenderSystem.getDevice()
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.createCommandEncoder()
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.writeToTexture(
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p_392194_,
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Glyph.this.image,
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0,
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p_232658_,
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p_232659_,
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Glyph.this.width,
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Glyph.this.height,
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Glyph.this.offsetX,
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Glyph.this.offsetY
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);
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}
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@Override
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public boolean isColored() {
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return Glyph.this.image.format().components() > 1;
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}
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}
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);
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}
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}
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}
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