minecraft-src/net/minecraft/client/renderer/entity/PaintingRenderer.java
2025-07-04 02:00:41 +03:00

168 lines
6.9 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 net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.LevelRenderer;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.entity.state.PaintingRenderState;
import net.minecraft.client.renderer.texture.OverlayTexture;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.client.resources.PaintingTextureManager;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.decoration.Painting;
import net.minecraft.world.entity.decoration.PaintingVariant;
import net.minecraft.world.level.Level;
@Environment(EnvType.CLIENT)
public class PaintingRenderer extends EntityRenderer<Painting, PaintingRenderState> {
public PaintingRenderer(EntityRendererProvider.Context context) {
super(context);
}
public void render(PaintingRenderState paintingRenderState, PoseStack poseStack, MultiBufferSource multiBufferSource, int i) {
PaintingVariant paintingVariant = paintingRenderState.variant;
if (paintingVariant != null) {
poseStack.pushPose();
poseStack.mulPose(Axis.YP.rotationDegrees(180 - paintingRenderState.direction.get2DDataValue() * 90));
PaintingTextureManager paintingTextureManager = Minecraft.getInstance().getPaintingTextures();
TextureAtlasSprite textureAtlasSprite = paintingTextureManager.getBackSprite();
VertexConsumer vertexConsumer = multiBufferSource.getBuffer(RenderType.entitySolidZOffsetForward(textureAtlasSprite.atlasLocation()));
this.renderPainting(
poseStack,
vertexConsumer,
paintingRenderState.lightCoords,
paintingVariant.width(),
paintingVariant.height(),
paintingTextureManager.get(paintingVariant),
textureAtlasSprite
);
poseStack.popPose();
super.render(paintingRenderState, poseStack, multiBufferSource, i);
}
}
public PaintingRenderState createRenderState() {
return new PaintingRenderState();
}
public void extractRenderState(Painting painting, PaintingRenderState paintingRenderState, float f) {
super.extractRenderState(painting, paintingRenderState, f);
Direction direction = painting.getDirection();
PaintingVariant paintingVariant = painting.getVariant().value();
paintingRenderState.direction = direction;
paintingRenderState.variant = paintingVariant;
int i = paintingVariant.width();
int j = paintingVariant.height();
if (paintingRenderState.lightCoords.length != i * j) {
paintingRenderState.lightCoords = new int[i * j];
}
float g = -i / 2.0F;
float h = -j / 2.0F;
Level level = painting.level();
for (int k = 0; k < j; k++) {
for (int l = 0; l < i; l++) {
float m = l + g + 0.5F;
float n = k + h + 0.5F;
int o = painting.getBlockX();
int p = Mth.floor(painting.getY() + n);
int q = painting.getBlockZ();
switch (direction) {
case NORTH:
o = Mth.floor(painting.getX() + m);
break;
case WEST:
q = Mth.floor(painting.getZ() - m);
break;
case SOUTH:
o = Mth.floor(painting.getX() - m);
break;
case EAST:
q = Mth.floor(painting.getZ() + m);
}
paintingRenderState.lightCoords[l + k * i] = LevelRenderer.getLightColor(level, new BlockPos(o, p, q));
}
}
}
private void renderPainting(
PoseStack poseStack, VertexConsumer vertexConsumer, int[] is, int i, int j, TextureAtlasSprite textureAtlasSprite, TextureAtlasSprite textureAtlasSprite2
) {
PoseStack.Pose pose = poseStack.last();
float f = -i / 2.0F;
float g = -j / 2.0F;
float h = 0.03125F;
float k = textureAtlasSprite2.getU0();
float l = textureAtlasSprite2.getU1();
float m = textureAtlasSprite2.getV0();
float n = textureAtlasSprite2.getV1();
float o = textureAtlasSprite2.getU0();
float p = textureAtlasSprite2.getU1();
float q = textureAtlasSprite2.getV0();
float r = textureAtlasSprite2.getV(0.0625F);
float s = textureAtlasSprite2.getU0();
float t = textureAtlasSprite2.getU(0.0625F);
float u = textureAtlasSprite2.getV0();
float v = textureAtlasSprite2.getV1();
double d = 1.0 / i;
double e = 1.0 / j;
for (int w = 0; w < i; w++) {
for (int x = 0; x < j; x++) {
float y = f + (w + 1);
float z = f + w;
float aa = g + (x + 1);
float ab = g + x;
int ac = is[w + x * i];
float ad = textureAtlasSprite.getU((float)(d * (i - w)));
float ae = textureAtlasSprite.getU((float)(d * (i - (w + 1))));
float af = textureAtlasSprite.getV((float)(e * (j - x)));
float ag = textureAtlasSprite.getV((float)(e * (j - (x + 1))));
this.vertex(pose, vertexConsumer, y, ab, ae, af, -0.03125F, 0, 0, -1, ac);
this.vertex(pose, vertexConsumer, z, ab, ad, af, -0.03125F, 0, 0, -1, ac);
this.vertex(pose, vertexConsumer, z, aa, ad, ag, -0.03125F, 0, 0, -1, ac);
this.vertex(pose, vertexConsumer, y, aa, ae, ag, -0.03125F, 0, 0, -1, ac);
this.vertex(pose, vertexConsumer, y, aa, l, m, 0.03125F, 0, 0, 1, ac);
this.vertex(pose, vertexConsumer, z, aa, k, m, 0.03125F, 0, 0, 1, ac);
this.vertex(pose, vertexConsumer, z, ab, k, n, 0.03125F, 0, 0, 1, ac);
this.vertex(pose, vertexConsumer, y, ab, l, n, 0.03125F, 0, 0, 1, ac);
this.vertex(pose, vertexConsumer, y, aa, o, q, -0.03125F, 0, 1, 0, ac);
this.vertex(pose, vertexConsumer, z, aa, p, q, -0.03125F, 0, 1, 0, ac);
this.vertex(pose, vertexConsumer, z, aa, p, r, 0.03125F, 0, 1, 0, ac);
this.vertex(pose, vertexConsumer, y, aa, o, r, 0.03125F, 0, 1, 0, ac);
this.vertex(pose, vertexConsumer, y, ab, o, q, 0.03125F, 0, -1, 0, ac);
this.vertex(pose, vertexConsumer, z, ab, p, q, 0.03125F, 0, -1, 0, ac);
this.vertex(pose, vertexConsumer, z, ab, p, r, -0.03125F, 0, -1, 0, ac);
this.vertex(pose, vertexConsumer, y, ab, o, r, -0.03125F, 0, -1, 0, ac);
this.vertex(pose, vertexConsumer, y, aa, t, u, 0.03125F, -1, 0, 0, ac);
this.vertex(pose, vertexConsumer, y, ab, t, v, 0.03125F, -1, 0, 0, ac);
this.vertex(pose, vertexConsumer, y, ab, s, v, -0.03125F, -1, 0, 0, ac);
this.vertex(pose, vertexConsumer, y, aa, s, u, -0.03125F, -1, 0, 0, ac);
this.vertex(pose, vertexConsumer, z, aa, t, u, -0.03125F, 1, 0, 0, ac);
this.vertex(pose, vertexConsumer, z, ab, t, v, -0.03125F, 1, 0, 0, ac);
this.vertex(pose, vertexConsumer, z, ab, s, v, 0.03125F, 1, 0, 0, ac);
this.vertex(pose, vertexConsumer, z, aa, s, u, 0.03125F, 1, 0, 0, ac);
}
}
}
private void vertex(
PoseStack.Pose pose, VertexConsumer consumer, float x, float y, float u, float v, float z, int normalX, int normalY, int normalZ, int packedLight
) {
consumer.addVertex(pose, x, y, z)
.setColor(-1)
.setUv(u, v)
.setOverlay(OverlayTexture.NO_OVERLAY)
.setLight(packedLight)
.setNormal(pose, normalX, normalY, normalZ);
}
}