1 files changed, 247 insertions, 0 deletions
diff --git a/src/main/java/me/xmrvizzy/skyblocker/utils/render/RenderHelper.java b/src/main/java/me/xmrvizzy/skyblocker/utils/render/RenderHelper.java
new file mode 100644
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+++ b/src/main/java/me/xmrvizzy/skyblocker/utils/render/RenderHelper.java
@@ -0,0 +1,247 @@
+package me.xmrvizzy.skyblocker.utils.render;
+
+import com.mojang.blaze3d.platform.GlStateManager.DstFactor;
+import com.mojang.blaze3d.platform.GlStateManager.SrcFactor;
+import com.mojang.blaze3d.systems.RenderSystem;
+import me.x150.renderer.render.Renderer3d;
+import me.xmrvizzy.skyblocker.mixin.accessor.BeaconBlockEntityRendererInvoker;
+import me.xmrvizzy.skyblocker.utils.render.culling.OcclusionCulling;
+import me.xmrvizzy.skyblocker.utils.render.title.Title;
+import me.xmrvizzy.skyblocker.utils.render.title.TitleContainer;
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderContext;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.render.*;
+import net.minecraft.client.render.VertexFormat.DrawMode;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.text.OrderedText;
+import net.minecraft.text.Text;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Vec3d;
+import org.joml.Matrix3f;
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+import org.lwjgl.opengl.GL11;
+
+import java.awt.*;
+
+public class RenderHelper {
+    private static final Vec3d ONE = new Vec3d(1, 1, 1);
+    private static final int MAX_OVERWORLD_BUILD_HEIGHT = 319;
+    private static final MinecraftClient client = MinecraftClient.getInstance();
+
+    public static void renderFilledThroughWallsWithBeaconBeam(WorldRenderContext context, BlockPos pos, float[] colorComponents, float alpha) {
+        renderFilledThroughWalls(context, pos, colorComponents, alpha);
+        renderBeaconBeam(context, pos, colorComponents);
+    }
+
+    public static void renderFilledThroughWalls(WorldRenderContext context, BlockPos pos, float[] colorComponents, float alpha) {
+        if (FrustumUtils.isVisible(pos.getX(), pos.getY(), pos.getZ(), pos.getX() + 1, pos.getY() + 1, pos.getZ() + 1)) {
+            Renderer3d.renderThroughWalls();
+            renderFilled(context, pos, colorComponents, alpha);
+            Renderer3d.stopRenderThroughWalls();
+        }
+    }
+
+    public static void renderFilledIfVisible(WorldRenderContext context, BlockPos pos, float[] colorComponents, float alpha) {
+        if (OcclusionCulling.isVisible(pos.getX(), pos.getY(), pos.getZ(), pos.getX() + 1, pos.getY() + 1, pos.getZ() + 1)) {
+            renderFilled(context, pos, colorComponents, alpha);
+        }
+    }
+
+    private static void renderFilled(WorldRenderContext context, BlockPos pos, float[] colorComponents, float alpha) {
+        Renderer3d.renderFilled(context.matrixStack(), new Color(colorComponents[0], colorComponents[1], colorComponents[2], alpha), Vec3d.of(pos), ONE);
+    }
+
+    private static void renderBeaconBeam(WorldRenderContext context, BlockPos pos, float[] colorComponents) {
+        if (FrustumUtils.isVisible(pos.getX(), pos.getY(), pos.getZ(), pos.getX() + 1, MAX_OVERWORLD_BUILD_HEIGHT, pos.getZ() + 1)) {
+            MatrixStack matrices = context.matrixStack();
+            Vec3d camera = context.camera().getPos();
+
+            matrices.push();
+            matrices.translate(pos.getX() - camera.getX(), pos.getY() - camera.getY(), pos.getZ() - camera.getZ());
+
+            Tessellator tessellator = RenderSystem.renderThreadTesselator();
+            BufferBuilder buffer = tessellator.getBuffer();
+            VertexConsumerProvider.Immediate consumer = VertexConsumerProvider.immediate(buffer);
+
+            BeaconBlockEntityRendererInvoker.renderBeam(matrices, consumer, context.tickDelta(), context.world().getTime(), 0, MAX_OVERWORLD_BUILD_HEIGHT, colorComponents);
+
+            consumer.draw();
+            matrices.pop();
+        }
+    }
+
+    /**
+     * Renders the outline of a box with the specified color components and line width.
+     * This does not use renderer since renderer draws outline using debug lines with a fixed width.
+     */
+    public static void renderOutline(WorldRenderContext context, Box box, float[] colorComponents, float lineWidth) {
+        if (FrustumUtils.isVisible(box)) {
+            MatrixStack matrices = context.matrixStack();
+            Vec3d camera = context.camera().getPos();
+            Tessellator tessellator = RenderSystem.renderThreadTesselator();
+            BufferBuilder buffer = tessellator.getBuffer();
+
+            RenderSystem.setShader(GameRenderer::getRenderTypeLinesProgram);
+            RenderSystem.setShaderColor(1f, 1f, 1f, 1f);
+            RenderSystem.lineWidth(lineWidth);
+            RenderSystem.disableCull();
+            RenderSystem.enableDepthTest();
+
+            matrices.push();
+            matrices.translate(-camera.getX(), -camera.getY(), -camera.getZ());
+
+            buffer.begin(DrawMode.LINES, VertexFormats.LINES);
+            WorldRenderer.drawBox(matrices, buffer, box, colorComponents[0] * 255f, colorComponents[1] * 255f, colorComponents[2] * 255f, 1f);
+            tessellator.draw();
+
+            matrices.pop();
+            RenderSystem.lineWidth(1f);
+            RenderSystem.enableCull();
+            RenderSystem.disableDepthTest();
+        }
+    }
+
+    /**
+     * Draws lines from point to point.<br><br>
+     * <p>
+     * Tip: To draw lines from the center of a block, offset the X, Y and Z each by 0.5
+     *
+     * @param context         The WorldRenderContext which supplies the matrices and tick delta
+     * @param points          The points from which to draw lines between
+     * @param colorComponents An array of R, G and B color components
+     * @param alpha           The alpha of the lines
+     * @param lineWidth       The width of the lines
+     */
+    public static void renderLinesFromPoints(WorldRenderContext context, Vec3d[] points, float[] colorComponents, float alpha, float lineWidth) {
+        Vec3d camera = context.camera().getPos();
+        MatrixStack matrices = context.matrixStack();
+
+        matrices.push();
+        matrices.translate(-camera.x, -camera.y, -camera.z);
+
+        Tessellator tessellator = RenderSystem.renderThreadTesselator();
+        BufferBuilder buffer = tessellator.getBuffer();
+        Matrix4f projectionMatrix = matrices.peek().getPositionMatrix();
+        Matrix3f normalMatrix = matrices.peek().getNormalMatrix();
+
+        GL11.glEnable(GL11.GL_LINE_SMOOTH);
+        GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);
+
+        RenderSystem.setShader(GameRenderer::getRenderTypeLinesProgram);
+        RenderSystem.setShaderColor(1f, 1f, 1f, 1f);
+        RenderSystem.lineWidth(lineWidth);
+        RenderSystem.enableBlend();
+        RenderSystem.blendFunc(SrcFactor.SRC_ALPHA, DstFactor.ONE_MINUS_SRC_ALPHA);
+        RenderSystem.disableCull();
+        RenderSystem.enableDepthTest();
+
+        buffer.begin(DrawMode.LINE_STRIP, VertexFormats.LINES);
+
+        for (int i = 0; i < points.length; i++) {
+            Vec3d point = points[i];
+            Vec3d nextPoint = (i + 1 == points.length) ? points[i - 1] : points[i + 1];
+            Vector3f normalVec = new Vector3f((float) nextPoint.getX(), (float) nextPoint.getY(), (float) nextPoint.getZ()).sub((float) point.getX(), (float) point.getY(), (float) point.getZ()).normalize();
+
+            buffer
+                    .vertex(projectionMatrix, (float) point.getX(), (float) point.getY(), (float) point.getZ())
+                    .color(colorComponents[0], colorComponents[1], colorComponents[2], alpha)
+                    .normal(normalMatrix, normalVec.x, normalVec.y, normalVec.z)
+                    .next();
+        }
+
+        tessellator.draw();
+
+        matrices.pop();
+        GL11.glDisable(GL11.GL_LINE_SMOOTH);
+        RenderSystem.lineWidth(1f);
+        RenderSystem.disableBlend();
+        RenderSystem.defaultBlendFunc();
+        RenderSystem.enableCull();
+        RenderSystem.disableDepthTest();
+    }
+
+    public static void renderText(WorldRenderContext context, Text text, Vec3d pos, boolean seeThrough) {
+        renderText(context, text, pos, 1, seeThrough);
+    }
+
+    public static void renderText(WorldRenderContext context, Text text, Vec3d pos, float scale, boolean seeThrough) {
+        renderText(context, text, pos, scale, 0, seeThrough);
+    }
+
+    public static void renderText(WorldRenderContext context, Text text, Vec3d pos, float scale, float yOffset, boolean seeThrough) {
+        renderText(context, text.asOrderedText(), pos, scale, yOffset, seeThrough);
+    }
+
+    /**
+     * Renders text in the world space.
+     *
+     * @param seeThrough Whether the text should be able to be seen through walls or not.
+     */
+    public static void renderText(WorldRenderContext context, OrderedText text, Vec3d pos, float scale, float yOffset, boolean seeThrough) {
+        MatrixStack matrices = context.matrixStack();
+        Vec3d camera = context.camera().getPos();
+        TextRenderer textRenderer = client.textRenderer;
+
+        scale *= 0.025f;
+
+        matrices.push();
+        matrices.translate(pos.getX() - camera.getX(), pos.getY() - camera.getY(), pos.getZ() - camera.getZ());
+        matrices.peek().getPositionMatrix().mul(RenderSystem.getModelViewMatrix());
+        matrices.multiply(context.camera().getRotation());
+        matrices.scale(-scale, -scale, scale);
+
+        Matrix4f positionMatrix = matrices.peek().getPositionMatrix();
+        float xOffset = -textRenderer.getWidth(text) / 2f;
+
+        Tessellator tessellator = RenderSystem.renderThreadTesselator();
+        BufferBuilder buffer = tessellator.getBuffer();
+        VertexConsumerProvider.Immediate consumers = VertexConsumerProvider.immediate(buffer);
+
+        RenderSystem.depthFunc(seeThrough ? GL11.GL_ALWAYS : GL11.GL_LEQUAL);
+
+        textRenderer.draw(text, xOffset, yOffset, 0xFFFFFFFF, false, positionMatrix, consumers, TextRenderer.TextLayerType.SEE_THROUGH, 0, LightmapTextureManager.MAX_LIGHT_COORDINATE);
+        consumers.draw();
+
+        RenderSystem.depthFunc(GL11.GL_LEQUAL);
+        matrices.pop();
+    }
+
+    /**
+     * Adds the title to {@link TitleContainer} and {@link #playNotificationSound() plays the notification sound} if the title is not in the {@link TitleContainer} already.
+     * No checking needs to be done on whether the title is in the {@link TitleContainer} already by the caller.
+     *
+     * @param title the title
+     */
+    public static void displayInTitleContainerAndPlaySound(Title title) {
+        if (TitleContainer.addTitle(title)) {
+            playNotificationSound();
+        }
+    }
+
+    /**
+     * Adds the title to {@link TitleContainer} for a set number of ticks and {@link #playNotificationSound() plays the notification sound} if the title is not in the {@link TitleContainer} already.
+     * No checking needs to be done on whether the title is in the {@link TitleContainer} already by the caller.
+     *
+     * @param title the title
+     * @param ticks the number of ticks the title will remain
+     */
+    public static void displayInTitleContainerAndPlaySound(Title title, int ticks) {
+        if (TitleContainer.addTitle(title, ticks)) {
+            playNotificationSound();
+        }
+    }
+
+    private static void playNotificationSound() {
+        if (MinecraftClient.getInstance().player != null) {
+            MinecraftClient.getInstance().player.playSound(SoundEvents.ENTITY_EXPERIENCE_ORB_PICKUP, 100f, 0.1f);
+        }
+    }
+
+    public static boolean pointIsInArea(double x, double y, double x1, double y1, double x2, double y2) {
+        return x >= x1 && x <= x2 && y >= y1 && y <= y2;
+    }
+}