168 lines
6.5 KiB
Java
168 lines
6.5 KiB
Java
package net.minecraft.client.renderer.entity;
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import com.mojang.blaze3d.vertex.PoseStack;
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import com.mojang.blaze3d.vertex.VertexConsumer;
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import com.mojang.math.Axis;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.renderer.LevelRenderer;
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import net.minecraft.client.renderer.MultiBufferSource;
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import net.minecraft.client.renderer.RenderType;
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import net.minecraft.client.renderer.entity.state.PaintingRenderState;
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import net.minecraft.client.renderer.texture.OverlayTexture;
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import net.minecraft.client.renderer.texture.TextureAtlasSprite;
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import net.minecraft.client.resources.PaintingTextureManager;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.decoration.Painting;
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import net.minecraft.world.entity.decoration.PaintingVariant;
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import net.minecraft.world.level.Level;
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@Environment(EnvType.CLIENT)
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public class PaintingRenderer extends EntityRenderer<Painting, PaintingRenderState> {
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public PaintingRenderer(EntityRendererProvider.Context context) {
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super(context);
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}
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public void render(PaintingRenderState renderState, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight) {
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PaintingVariant paintingVariant = renderState.variant;
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if (paintingVariant != null) {
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poseStack.pushPose();
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poseStack.mulPose(Axis.YP.rotationDegrees(180 - renderState.direction.get2DDataValue() * 90));
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PaintingTextureManager paintingTextureManager = Minecraft.getInstance().getPaintingTextures();
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TextureAtlasSprite textureAtlasSprite = paintingTextureManager.getBackSprite();
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VertexConsumer vertexConsumer = bufferSource.getBuffer(RenderType.entitySolidZOffsetForward(textureAtlasSprite.atlasLocation()));
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this.renderPainting(
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poseStack,
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vertexConsumer,
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renderState.lightCoords,
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paintingVariant.width(),
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paintingVariant.height(),
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paintingTextureManager.get(paintingVariant),
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textureAtlasSprite
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);
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poseStack.popPose();
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super.render(renderState, poseStack, bufferSource, packedLight);
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}
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}
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public PaintingRenderState createRenderState() {
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return new PaintingRenderState();
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}
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public void extractRenderState(Painting entity, PaintingRenderState reusedState, float partialTick) {
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super.extractRenderState(entity, reusedState, partialTick);
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Direction direction = entity.getDirection();
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PaintingVariant paintingVariant = entity.getVariant().value();
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reusedState.direction = direction;
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reusedState.variant = paintingVariant;
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int i = paintingVariant.width();
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int j = paintingVariant.height();
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if (reusedState.lightCoords.length != i * j) {
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reusedState.lightCoords = new int[i * j];
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}
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float f = -i / 2.0F;
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float g = -j / 2.0F;
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Level level = entity.level();
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for (int k = 0; k < j; k++) {
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for (int l = 0; l < i; l++) {
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float h = l + f + 0.5F;
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float m = k + g + 0.5F;
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int n = entity.getBlockX();
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int o = Mth.floor(entity.getY() + m);
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int p = entity.getBlockZ();
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switch (direction) {
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case NORTH:
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n = Mth.floor(entity.getX() + h);
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break;
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case WEST:
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p = Mth.floor(entity.getZ() - h);
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break;
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case SOUTH:
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n = Mth.floor(entity.getX() - h);
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break;
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case EAST:
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p = Mth.floor(entity.getZ() + h);
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}
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reusedState.lightCoords[l + k * i] = LevelRenderer.getLightColor(level, new BlockPos(n, o, p));
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}
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}
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}
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private void renderPainting(
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PoseStack poseStack, VertexConsumer buffer, int[] lightCoords, int width, int height, TextureAtlasSprite frontSprite, TextureAtlasSprite backSprite
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) {
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PoseStack.Pose pose = poseStack.last();
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float f = -width / 2.0F;
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float g = -height / 2.0F;
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float h = 0.03125F;
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float i = backSprite.getU0();
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float j = backSprite.getU1();
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float k = backSprite.getV0();
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float l = backSprite.getV1();
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float m = backSprite.getU0();
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float n = backSprite.getU1();
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float o = backSprite.getV0();
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float p = backSprite.getV(0.0625F);
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float q = backSprite.getU0();
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float r = backSprite.getU(0.0625F);
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float s = backSprite.getV0();
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float t = backSprite.getV1();
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double d = 1.0 / width;
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double e = 1.0 / height;
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for (int u = 0; u < width; u++) {
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for (int v = 0; v < height; v++) {
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float w = f + (u + 1);
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float x = f + u;
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float y = g + (v + 1);
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float z = g + v;
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int aa = lightCoords[u + v * width];
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float ab = frontSprite.getU((float)(d * (width - u)));
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float ac = frontSprite.getU((float)(d * (width - (u + 1))));
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float ad = frontSprite.getV((float)(e * (height - v)));
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float ae = frontSprite.getV((float)(e * (height - (v + 1))));
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this.vertex(pose, buffer, w, z, ac, ad, -0.03125F, 0, 0, -1, aa);
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this.vertex(pose, buffer, x, z, ab, ad, -0.03125F, 0, 0, -1, aa);
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this.vertex(pose, buffer, x, y, ab, ae, -0.03125F, 0, 0, -1, aa);
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this.vertex(pose, buffer, w, y, ac, ae, -0.03125F, 0, 0, -1, aa);
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this.vertex(pose, buffer, w, y, j, k, 0.03125F, 0, 0, 1, aa);
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this.vertex(pose, buffer, x, y, i, k, 0.03125F, 0, 0, 1, aa);
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this.vertex(pose, buffer, x, z, i, l, 0.03125F, 0, 0, 1, aa);
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this.vertex(pose, buffer, w, z, j, l, 0.03125F, 0, 0, 1, aa);
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this.vertex(pose, buffer, w, y, m, o, -0.03125F, 0, 1, 0, aa);
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this.vertex(pose, buffer, x, y, n, o, -0.03125F, 0, 1, 0, aa);
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this.vertex(pose, buffer, x, y, n, p, 0.03125F, 0, 1, 0, aa);
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this.vertex(pose, buffer, w, y, m, p, 0.03125F, 0, 1, 0, aa);
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this.vertex(pose, buffer, w, z, m, o, 0.03125F, 0, -1, 0, aa);
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this.vertex(pose, buffer, x, z, n, o, 0.03125F, 0, -1, 0, aa);
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this.vertex(pose, buffer, x, z, n, p, -0.03125F, 0, -1, 0, aa);
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this.vertex(pose, buffer, w, z, m, p, -0.03125F, 0, -1, 0, aa);
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this.vertex(pose, buffer, w, y, r, s, 0.03125F, -1, 0, 0, aa);
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this.vertex(pose, buffer, w, z, r, t, 0.03125F, -1, 0, 0, aa);
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this.vertex(pose, buffer, w, z, q, t, -0.03125F, -1, 0, 0, aa);
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this.vertex(pose, buffer, w, y, q, s, -0.03125F, -1, 0, 0, aa);
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this.vertex(pose, buffer, x, y, r, s, -0.03125F, 1, 0, 0, aa);
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this.vertex(pose, buffer, x, z, r, t, -0.03125F, 1, 0, 0, aa);
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this.vertex(pose, buffer, x, z, q, t, 0.03125F, 1, 0, 0, aa);
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this.vertex(pose, buffer, x, y, q, s, 0.03125F, 1, 0, 0, aa);
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}
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}
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}
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private void vertex(
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PoseStack.Pose pose, VertexConsumer consumer, float x, float y, float u, float v, float z, int normalX, int normalY, int normalZ, int packedLight
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) {
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consumer.addVertex(pose, x, y, z)
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.setColor(-1)
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.setUv(u, v)
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.setOverlay(OverlayTexture.NO_OVERLAY)
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.setLight(packedLight)
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.setNormal(pose, normalX, normalY, normalZ);
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}
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}
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