minecraft-src/net/minecraft/client/renderer/entity/DisplayRenderer.java
2025-07-04 01:41:11 +03:00

252 lines
8.9 KiB
Java

package net.minecraft.client.renderer.entity;
import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
import com.mojang.math.Axis;
import com.mojang.math.Transformation;
import java.util.ArrayList;
import java.util.List;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.Camera;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.Font;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.block.BlockRenderDispatcher;
import net.minecraft.client.renderer.texture.OverlayTexture;
import net.minecraft.client.renderer.texture.TextureAtlas;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.FormattedCharSequence;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.Display;
import org.jetbrains.annotations.Nullable;
import org.joml.Matrix4f;
import org.joml.Quaternionf;
@Environment(EnvType.CLIENT)
public abstract class DisplayRenderer<T extends Display, S> extends EntityRenderer<T> {
private final EntityRenderDispatcher entityRenderDispatcher;
protected DisplayRenderer(EntityRendererProvider.Context context) {
super(context);
this.entityRenderDispatcher = context.getEntityRenderDispatcher();
}
/**
* Returns the location of an entity's texture.
*/
public ResourceLocation getTextureLocation(T entity) {
return TextureAtlas.LOCATION_BLOCKS;
}
public void render(T entity, float entityYaw, float partialTick, PoseStack poseStack, MultiBufferSource buffer, int packedLight) {
Display.RenderState renderState = entity.renderState();
if (renderState != null) {
S object = this.getSubState(entity);
if (object != null) {
float f = entity.calculateInterpolationProgress(partialTick);
this.shadowRadius = renderState.shadowRadius().get(f);
this.shadowStrength = renderState.shadowStrength().get(f);
int i = renderState.brightnessOverride();
int j = i != -1 ? i : packedLight;
super.render(entity, entityYaw, partialTick, poseStack, buffer, j);
poseStack.pushPose();
poseStack.mulPose(this.calculateOrientation(renderState, entity, partialTick, new Quaternionf()));
Transformation transformation = renderState.transformation().get(f);
poseStack.mulPose(transformation.getMatrix());
this.renderInner(entity, object, poseStack, buffer, j, f);
poseStack.popPose();
}
}
}
private Quaternionf calculateOrientation(Display.RenderState renderState, T entity, float partialTick, Quaternionf quaternion) {
Camera camera = this.entityRenderDispatcher.camera;
return switch (renderState.billboardConstraints()) {
case FIXED -> quaternion.rotationYXZ(
(float) (-Math.PI / 180.0) * entityYRot(entity, partialTick), (float) (Math.PI / 180.0) * entityXRot(entity, partialTick), 0.0F
);
case HORIZONTAL -> quaternion.rotationYXZ((float) (-Math.PI / 180.0) * entityYRot(entity, partialTick), (float) (Math.PI / 180.0) * cameraXRot(camera), 0.0F);
case VERTICAL -> quaternion.rotationYXZ((float) (-Math.PI / 180.0) * cameraYrot(camera), (float) (Math.PI / 180.0) * entityXRot(entity, partialTick), 0.0F);
case CENTER -> quaternion.rotationYXZ((float) (-Math.PI / 180.0) * cameraYrot(camera), (float) (Math.PI / 180.0) * cameraXRot(camera), 0.0F);
};
}
private static float cameraYrot(Camera camera) {
return camera.getYRot() - 180.0F;
}
private static float cameraXRot(Camera camera) {
return -camera.getXRot();
}
private static <T extends Display> float entityYRot(T entity, float partialTick) {
return Mth.rotLerp(partialTick, entity.yRotO, entity.getYRot());
}
private static <T extends Display> float entityXRot(T entity, float partialTick) {
return Mth.lerp(partialTick, entity.xRotO, entity.getXRot());
}
@Nullable
protected abstract S getSubState(T textDisplay);
protected abstract void renderInner(T textDisplay, S renderState, PoseStack poseStack, MultiBufferSource buffer, int lightmapUV, float partialTick);
@Environment(EnvType.CLIENT)
public static class BlockDisplayRenderer extends DisplayRenderer<Display.BlockDisplay, Display.BlockDisplay.BlockRenderState> {
private final BlockRenderDispatcher blockRenderer;
protected BlockDisplayRenderer(EntityRendererProvider.Context context) {
super(context);
this.blockRenderer = context.getBlockRenderDispatcher();
}
@Nullable
protected Display.BlockDisplay.BlockRenderState getSubState(Display.BlockDisplay blockDisplay) {
return blockDisplay.blockRenderState();
}
public void renderInner(
Display.BlockDisplay blockDisplay,
Display.BlockDisplay.BlockRenderState blockRenderState,
PoseStack poseStack,
MultiBufferSource multiBufferSource,
int i,
float f
) {
this.blockRenderer.renderSingleBlock(blockRenderState.blockState(), poseStack, multiBufferSource, i, OverlayTexture.NO_OVERLAY);
}
}
@Environment(EnvType.CLIENT)
public static class ItemDisplayRenderer extends DisplayRenderer<Display.ItemDisplay, Display.ItemDisplay.ItemRenderState> {
private final ItemRenderer itemRenderer;
protected ItemDisplayRenderer(EntityRendererProvider.Context context) {
super(context);
this.itemRenderer = context.getItemRenderer();
}
@Nullable
protected Display.ItemDisplay.ItemRenderState getSubState(Display.ItemDisplay itemDisplay) {
return itemDisplay.itemRenderState();
}
public void renderInner(
Display.ItemDisplay itemDisplay,
Display.ItemDisplay.ItemRenderState itemRenderState,
PoseStack poseStack,
MultiBufferSource multiBufferSource,
int i,
float f
) {
poseStack.mulPose(Axis.YP.rotation((float) Math.PI));
this.itemRenderer
.renderStatic(
itemRenderState.itemStack(),
itemRenderState.itemTransform(),
i,
OverlayTexture.NO_OVERLAY,
poseStack,
multiBufferSource,
itemDisplay.level(),
itemDisplay.getId()
);
}
}
@Environment(EnvType.CLIENT)
public static class TextDisplayRenderer extends DisplayRenderer<Display.TextDisplay, Display.TextDisplay.TextRenderState> {
private final Font font;
protected TextDisplayRenderer(EntityRendererProvider.Context context) {
super(context);
this.font = context.getFont();
}
private Display.TextDisplay.CachedInfo splitLines(Component text, int maxWidth) {
List<FormattedCharSequence> list = this.font.split(text, maxWidth);
List<Display.TextDisplay.CachedLine> list2 = new ArrayList(list.size());
int i = 0;
for (FormattedCharSequence formattedCharSequence : list) {
int j = this.font.width(formattedCharSequence);
i = Math.max(i, j);
list2.add(new Display.TextDisplay.CachedLine(formattedCharSequence, j));
}
return new Display.TextDisplay.CachedInfo(list2, i);
}
@Nullable
protected Display.TextDisplay.TextRenderState getSubState(Display.TextDisplay textDisplay) {
return textDisplay.textRenderState();
}
public void renderInner(
Display.TextDisplay textDisplay,
Display.TextDisplay.TextRenderState renderState,
PoseStack poseStack,
MultiBufferSource buffer,
int lightmapUV,
float partialTick
) {
byte b = renderState.flags();
boolean bl = (b & 2) != 0;
boolean bl2 = (b & 4) != 0;
boolean bl3 = (b & 1) != 0;
Display.TextDisplay.Align align = Display.TextDisplay.getAlign(b);
byte c = (byte)renderState.textOpacity().get(partialTick);
int i;
if (bl2) {
float f = Minecraft.getInstance().options.getBackgroundOpacity(0.25F);
i = (int)(f * 255.0F) << 24;
} else {
i = renderState.backgroundColor().get(partialTick);
}
float f = 0.0F;
Matrix4f matrix4f = poseStack.last().pose();
matrix4f.rotate((float) Math.PI, 0.0F, 1.0F, 0.0F);
matrix4f.scale(-0.025F, -0.025F, -0.025F);
Display.TextDisplay.CachedInfo cachedInfo = textDisplay.cacheDisplay(this::splitLines);
int j = 9 + 1;
int k = cachedInfo.width();
int l = cachedInfo.lines().size() * j;
matrix4f.translate(1.0F - k / 2.0F, -l, 0.0F);
if (i != 0) {
VertexConsumer vertexConsumer = buffer.getBuffer(bl ? RenderType.textBackgroundSeeThrough() : RenderType.textBackground());
vertexConsumer.addVertex(matrix4f, -1.0F, -1.0F, 0.0F).setColor(i).setLight(lightmapUV);
vertexConsumer.addVertex(matrix4f, -1.0F, (float)l, 0.0F).setColor(i).setLight(lightmapUV);
vertexConsumer.addVertex(matrix4f, (float)k, (float)l, 0.0F).setColor(i).setLight(lightmapUV);
vertexConsumer.addVertex(matrix4f, (float)k, -1.0F, 0.0F).setColor(i).setLight(lightmapUV);
}
for (Display.TextDisplay.CachedLine cachedLine : cachedInfo.lines()) {
float g = switch (align) {
case LEFT -> 0.0F;
case RIGHT -> k - cachedLine.width();
case CENTER -> k / 2.0F - cachedLine.width() / 2.0F;
};
this.font
.drawInBatch(
cachedLine.contents(),
g,
f,
c << 24 | 16777215,
bl3,
matrix4f,
buffer,
bl ? Font.DisplayMode.SEE_THROUGH : Font.DisplayMode.POLYGON_OFFSET,
0,
lightmapUV
);
f += j;
}
}
}
}