1 package com.irtimaled.bbor.client.renderers;
3 import com.irtimaled.bbor.client.Camera;
4 import com.irtimaled.bbor.client.RenderCulling;
5 import com.irtimaled.bbor.client.config.ConfigManager;
6 import com.irtimaled.bbor.client.models.Point;
7 import com.irtimaled.bbor.common.MathHelper;
8 import com.irtimaled.bbor.common.models.AbstractBoundingBox;
9 import com.mojang.blaze3d.systems.RenderSystem;
10 import net.minecraft.client.MinecraftClient;
11 import net.minecraft.client.font.TextRenderer;
12 import net.minecraft.client.gl.VertexBuffer;
13 import net.minecraft.client.render.BufferBuilder;
14 import net.minecraft.client.render.BufferRenderer;
15 import net.minecraft.client.render.GameRenderer;
16 import net.minecraft.client.render.Shader;
17 import net.minecraft.client.render.Tessellator;
18 import net.minecraft.client.render.VertexFormat;
19 import net.minecraft.client.render.VertexFormats;
20 import net.minecraft.client.util.math.MatrixStack;
21 import net.minecraft.util.math.BlockPos;
22 import net.minecraft.util.math.Box;
23 import net.minecraft.util.math.Matrix4f;
24 import org.lwjgl.opengl.GL11;
28 public abstract class AbstractRenderer<T extends AbstractBoundingBox> {
29 private static final double TAU = 6.283185307179586D;
30 public static final double PHI_SEGMENT = TAU / 90D;
31 private static final double PI = TAU / 2D;
32 public static final double THETA_SEGMENT = PHI_SEGMENT / 2D;
34 private final VertexBuffer solidBox = new VertexBuffer();
35 private final VertexBuffer outlinedBox = new VertexBuffer();
38 final Box box = new Box(BlockPos.ORIGIN);
39 RenderHelper.drawSolidBox(box, solidBox);
40 RenderHelper.drawOutlinedBox(box, outlinedBox);
43 public abstract void render(MatrixStack matrixStack, T boundingBox);
45 void renderCuboid(MatrixStack matrixStack, OffsetBox bb, Color color, boolean fillOnly) {
46 OffsetBox nudge = bb.nudge();
48 GL11.glEnable(GL11.GL_LINE_SMOOTH);
49 GL11.glEnable(GL11.GL_CULL_FACE);
50 RenderHelper.polygonModeFill();
53 RenderHelper.applyRegionalRenderOffset(matrixStack);
54 renderCuboid0(matrixStack, nudge, color, fillOnly);
57 GL11.glDisable(GL11.GL_LINE_SMOOTH);
58 RenderSystem.setShaderColor(1, 1, 1, 1);
61 private void renderCuboid0(MatrixStack stack, OffsetBox nudge, Color color, boolean fillOnly) {
62 if (!RenderCulling.isVisibleCulling(nudge.toBox())) return;
63 if (ConfigManager.invertBoxColorPlayerInside.get() &&
64 playerInsideBoundingBox(nudge)) {
65 color = new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue());
68 int regionX = (((int) Camera.getX()) >> 9) << 9;
69 int regionZ = (((int) Camera.getZ()) >> 9) << 9;
70 RenderSystem.setShader(GameRenderer::getPositionShader);
71 stack.translate(nudge.getMin().getX() - regionX, nudge.getMin().getY(), nudge.getMin().getZ() - regionZ);
72 stack.scale((float) (nudge.getMax().getX() - nudge.getMin().getX()),
73 (float) (nudge.getMax().getY() - nudge.getMin().getY()),
74 (float) (nudge.getMax().getZ() - nudge.getMin().getZ()));
76 Matrix4f viewMatrix = stack.peek().getModel();
77 Matrix4f projMatrix = RenderSystem.getProjectionMatrix();
78 Shader shader = RenderSystem.getShader();
79 if (fillOnly || ConfigManager.fill.get()) {
80 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 30 / 255F);
81 solidBox.setShader(viewMatrix, projMatrix, shader);
84 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 1F);
85 outlinedBox.setShader(viewMatrix, projMatrix, shader);
91 private boolean playerInsideBoundingBox(OffsetBox nudge) {
92 return nudge.getMin().getX() < 0 && nudge.getMax().getX() > 0 &&
93 nudge.getMin().getY() < 0 && nudge.getMax().getY() > 0 &&
94 nudge.getMin().getZ() < 0 && nudge.getMax().getZ() > 0;
97 void renderLine(MatrixStack matrixStack, OffsetPoint startPoint, OffsetPoint endPoint, Color color) {
98 if (!RenderCulling.isVisibleCulling(new OffsetBox(startPoint, endPoint).toBox())) return; // TODO better culling
101 RenderHelper.applyRegionalRenderOffset(matrixStack);
102 RenderSystem.setShader(GameRenderer::getPositionShader);
103 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 0.55f);
104 int regionX = (((int) Camera.getX()) >> 9) * 512;
105 int regionZ = (((int) Camera.getZ()) >> 9) * 512;
107 BufferBuilder bufferBuilder = Tessellator.getInstance().getBuffer();
108 bufferBuilder.begin(VertexFormat.DrawMode.DEBUG_LINES,
109 VertexFormats.POSITION);
111 .vertex(matrixStack.peek().getModel(),
112 (float) startPoint.getX() - regionX,
113 (float) startPoint.getY(),
114 (float) startPoint.getZ() - regionZ)
117 .vertex(matrixStack.peek().getModel(),
118 (float) endPoint.getX() - regionX,
119 (float) endPoint.getY(),
120 (float) endPoint.getZ() - regionZ)
123 BufferRenderer.draw(bufferBuilder);
128 void renderText(MatrixStack matrixStack, OffsetPoint offsetPoint, String... texts) {
129 TextRenderer fontRenderer = MinecraftClient.getInstance().textRenderer;
130 RenderHelper.beforeRenderFont(matrixStack, offsetPoint);
131 float top = -(fontRenderer.fontHeight * texts.length) / 2f;
132 for (String text : texts) {
133 float left = fontRenderer.getWidth(text) / 2f;
134 fontRenderer.draw(new MatrixStack(), text, -left, top, -1);
135 top += fontRenderer.fontHeight;
137 RenderHelper.afterRenderFont(matrixStack);
140 void renderSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
141 if (ConfigManager.renderSphereAsDots.get()) {
142 renderDotSphere(matrixStack, center, radius, color);
144 renderLineSphere(matrixStack, center, radius, color);
148 private void renderLineSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
149 if (!RenderCulling.isVisibleCulling(new Box(new BlockPos(center.getX(), center.getY(), center.getZ())).expand(radius))) return;
150 RenderHelper.lineWidth2();
152 double offset = ((radius - (int) radius) == 0) ? center.getY() - (int) center.getY() : 0;
153 int dyStep = radius < 64 ? 1 : MathHelper.floor(radius / 32);
154 for (double dy = offset - radius; dy <= radius + 1; dy += dyStep) {
155 double circleRadius = Math.sqrt((radius * radius) - (dy * dy));
156 if (circleRadius == 0) circleRadius = Math.sqrt(2) / 2;
157 renderCircle(matrixStack, center, circleRadius, color, dy + 0.001F);
161 private void renderCircle(MatrixStack matrixStack, Point center, double radius, Color color, double dy) {
164 RenderHelper.applyRegionalRenderOffset(matrixStack);
165 RenderSystem.setShader(GameRenderer::getPositionShader);
166 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 0.55f);
167 int regionX = (((int) Camera.getX()) >> 9) * 512;
168 int regionZ = (((int) Camera.getZ()) >> 9) * 512;
170 BufferBuilder bufferBuilder = Tessellator.getInstance().getBuffer();
171 bufferBuilder.begin(VertexFormat.DrawMode.DEBUG_LINE_STRIP,
172 VertexFormats.POSITION);
174 Point firstPoint = null;
176 for (double phi = 0.0D; phi < TAU; phi += PHI_SEGMENT) {
177 final Point point = center.offset(Math.cos(phi) * radius, dy, Math.sin(phi) * radius);
178 if (firstPoint == null) firstPoint = point;
179 bufferBuilder.vertex(matrixStack.peek().getModel(),
180 (float) point.getX() - regionX,
181 (float) point.getY(),
182 (float) point.getZ() - regionZ)
186 bufferBuilder.vertex(matrixStack.peek().getModel(),
187 (float) firstPoint.getX() - regionX,
188 (float) firstPoint.getY(),
189 (float) firstPoint.getZ() - regionZ)
193 BufferRenderer.draw(bufferBuilder);
197 private void renderDotSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
198 if (!RenderCulling.isVisibleCulling(new Box(new BlockPos(center.getX(), center.getY(), center.getZ())).expand(radius))) return;
200 RenderHelper.applyRegionalRenderOffset(matrixStack);
201 RenderSystem.setShader(GameRenderer::getPositionShader);
202 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 0.55f);
203 int regionX = (((int) Camera.getX()) >> 9) * 512;
204 int regionZ = (((int) Camera.getZ()) >> 9) * 512;
206 BufferBuilder bufferBuilder = Tessellator.getInstance().getBuffer();
207 bufferBuilder.begin(VertexFormat.DrawMode.QUADS,
208 VertexFormats.POSITION);
210 for (double phi = 0.0D; phi < TAU; phi += PHI_SEGMENT) {
211 double dy = radius * Math.cos(phi);
212 double radiusBySinPhi = radius * Math.sin(phi);
213 for (double theta = 0.0D; theta < PI; theta += THETA_SEGMENT) {
214 double dx = radiusBySinPhi * Math.cos(theta);
215 double dz = radiusBySinPhi * Math.sin(theta);
217 final Point point = center.offset(dx, dy, dz);
219 .vertex(matrixStack.peek().getModel(),
220 (float) point.getX() - regionX,
221 (float) point.getY(),
222 (float) point.getZ() - regionZ)
227 BufferRenderer.draw(bufferBuilder);