159 lines
6.7 KiB
Java
159 lines
6.7 KiB
Java
package net.minecraft.client.renderer;
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import com.mojang.blaze3d.systems.RenderSystem;
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import com.mojang.blaze3d.vertex.BufferBuilder;
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import com.mojang.blaze3d.vertex.BufferUploader;
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import com.mojang.blaze3d.vertex.DefaultVertexFormat;
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import com.mojang.blaze3d.vertex.PoseStack;
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import com.mojang.blaze3d.vertex.Tesselator;
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import com.mojang.blaze3d.vertex.VertexFormat;
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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.texture.TextureAtlasSprite;
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import net.minecraft.client.resources.model.ModelBakery;
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import net.minecraft.core.BlockPos;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.tags.FluidTags;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.level.block.RenderShape;
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import net.minecraft.world.level.block.state.BlockState;
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import org.jetbrains.annotations.Nullable;
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import org.joml.Matrix4f;
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@Environment(EnvType.CLIENT)
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public class ScreenEffectRenderer {
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private static final ResourceLocation UNDERWATER_LOCATION = ResourceLocation.withDefaultNamespace("textures/misc/underwater.png");
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public static void renderScreenEffect(Minecraft minecraft, PoseStack poseStack) {
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Player player = minecraft.player;
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if (!player.noPhysics) {
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BlockState blockState = getViewBlockingState(player);
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if (blockState != null) {
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renderTex(minecraft.getBlockRenderer().getBlockModelShaper().getParticleIcon(blockState), poseStack);
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}
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}
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if (!minecraft.player.isSpectator()) {
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if (minecraft.player.isEyeInFluid(FluidTags.WATER)) {
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renderWater(minecraft, poseStack);
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}
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if (minecraft.player.isOnFire()) {
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renderFire(minecraft, poseStack);
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}
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}
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}
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@Nullable
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private static BlockState getViewBlockingState(Player player) {
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BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
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for (int i = 0; i < 8; i++) {
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double d = player.getX() + ((i >> 0) % 2 - 0.5F) * player.getBbWidth() * 0.8F;
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double e = player.getEyeY() + ((i >> 1) % 2 - 0.5F) * 0.1F * player.getScale();
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double f = player.getZ() + ((i >> 2) % 2 - 0.5F) * player.getBbWidth() * 0.8F;
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mutableBlockPos.set(d, e, f);
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BlockState blockState = player.level().getBlockState(mutableBlockPos);
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if (blockState.getRenderShape() != RenderShape.INVISIBLE && blockState.isViewBlocking(player.level(), mutableBlockPos)) {
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return blockState;
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}
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}
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return null;
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}
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private static void renderTex(TextureAtlasSprite texture, PoseStack poseStack) {
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RenderSystem.setShaderTexture(0, texture.atlasLocation());
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RenderSystem.setShader(CoreShaders.POSITION_TEX_COLOR);
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float f = 0.1F;
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float g = -1.0F;
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float h = 1.0F;
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float i = -1.0F;
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float j = 1.0F;
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float k = -0.5F;
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float l = texture.getU0();
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float m = texture.getU1();
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float n = texture.getV0();
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float o = texture.getV1();
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Matrix4f matrix4f = poseStack.last().pose();
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BufferBuilder bufferBuilder = Tesselator.getInstance().begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_TEX_COLOR);
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bufferBuilder.addVertex(matrix4f, -1.0F, -1.0F, -0.5F).setUv(m, o).setColor(0.1F, 0.1F, 0.1F, 1.0F);
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bufferBuilder.addVertex(matrix4f, 1.0F, -1.0F, -0.5F).setUv(l, o).setColor(0.1F, 0.1F, 0.1F, 1.0F);
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bufferBuilder.addVertex(matrix4f, 1.0F, 1.0F, -0.5F).setUv(l, n).setColor(0.1F, 0.1F, 0.1F, 1.0F);
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bufferBuilder.addVertex(matrix4f, -1.0F, 1.0F, -0.5F).setUv(m, n).setColor(0.1F, 0.1F, 0.1F, 1.0F);
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BufferUploader.drawWithShader(bufferBuilder.buildOrThrow());
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}
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private static void renderWater(Minecraft minecraft, PoseStack poseStack) {
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RenderSystem.setShader(CoreShaders.POSITION_TEX);
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RenderSystem.setShaderTexture(0, UNDERWATER_LOCATION);
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BlockPos blockPos = BlockPos.containing(minecraft.player.getX(), minecraft.player.getEyeY(), minecraft.player.getZ());
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float f = LightTexture.getBrightness(minecraft.player.level().dimensionType(), minecraft.player.level().getMaxLocalRawBrightness(blockPos));
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RenderSystem.enableBlend();
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RenderSystem.setShaderColor(f, f, f, 0.1F);
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float g = 4.0F;
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float h = -1.0F;
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float i = 1.0F;
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float j = -1.0F;
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float k = 1.0F;
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float l = -0.5F;
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float m = -minecraft.player.getYRot() / 64.0F;
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float n = minecraft.player.getXRot() / 64.0F;
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Matrix4f matrix4f = poseStack.last().pose();
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BufferBuilder bufferBuilder = Tesselator.getInstance().begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_TEX);
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bufferBuilder.addVertex(matrix4f, -1.0F, -1.0F, -0.5F).setUv(4.0F + m, 4.0F + n);
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bufferBuilder.addVertex(matrix4f, 1.0F, -1.0F, -0.5F).setUv(0.0F + m, 4.0F + n);
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bufferBuilder.addVertex(matrix4f, 1.0F, 1.0F, -0.5F).setUv(0.0F + m, 0.0F + n);
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bufferBuilder.addVertex(matrix4f, -1.0F, 1.0F, -0.5F).setUv(4.0F + m, 0.0F + n);
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BufferUploader.drawWithShader(bufferBuilder.buildOrThrow());
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RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
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RenderSystem.disableBlend();
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}
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private static void renderFire(Minecraft minecraft, PoseStack poseStack) {
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RenderSystem.setShader(CoreShaders.POSITION_TEX_COLOR);
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RenderSystem.depthFunc(519);
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RenderSystem.depthMask(false);
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RenderSystem.enableBlend();
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TextureAtlasSprite textureAtlasSprite = ModelBakery.FIRE_1.sprite();
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RenderSystem.setShaderTexture(0, textureAtlasSprite.atlasLocation());
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float f = textureAtlasSprite.getU0();
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float g = textureAtlasSprite.getU1();
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float h = (f + g) / 2.0F;
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float i = textureAtlasSprite.getV0();
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float j = textureAtlasSprite.getV1();
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float k = (i + j) / 2.0F;
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float l = textureAtlasSprite.uvShrinkRatio();
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float m = Mth.lerp(l, f, h);
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float n = Mth.lerp(l, g, h);
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float o = Mth.lerp(l, i, k);
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float p = Mth.lerp(l, j, k);
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float q = 1.0F;
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for (int r = 0; r < 2; r++) {
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poseStack.pushPose();
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float s = -0.5F;
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float t = 0.5F;
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float u = -0.5F;
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float v = 0.5F;
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float w = -0.5F;
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poseStack.translate(-(r * 2 - 1) * 0.24F, -0.3F, 0.0F);
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poseStack.mulPose(Axis.YP.rotationDegrees((r * 2 - 1) * 10.0F));
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Matrix4f matrix4f = poseStack.last().pose();
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BufferBuilder bufferBuilder = Tesselator.getInstance().begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_TEX_COLOR);
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bufferBuilder.addVertex(matrix4f, -0.5F, -0.5F, -0.5F).setUv(n, p).setColor(1.0F, 1.0F, 1.0F, 0.9F);
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bufferBuilder.addVertex(matrix4f, 0.5F, -0.5F, -0.5F).setUv(m, p).setColor(1.0F, 1.0F, 1.0F, 0.9F);
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bufferBuilder.addVertex(matrix4f, 0.5F, 0.5F, -0.5F).setUv(m, o).setColor(1.0F, 1.0F, 1.0F, 0.9F);
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bufferBuilder.addVertex(matrix4f, -0.5F, 0.5F, -0.5F).setUv(n, o).setColor(1.0F, 1.0F, 1.0F, 0.9F);
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BufferUploader.drawWithShader(bufferBuilder.buildOrThrow());
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poseStack.popPose();
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}
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RenderSystem.disableBlend();
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RenderSystem.depthMask(true);
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RenderSystem.depthFunc(515);
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}
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}
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