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;
33 private static final float LINE_RADIUS = 0.0025f;
35 private final VertexBuffer solidBox = new VertexBuffer();
36 private final VertexBuffer outlinedBox = new VertexBuffer();
39 final Box box = new Box(BlockPos.ORIGIN);
40 RenderHelper.drawSolidBox(box, solidBox);
41 RenderHelper.drawOutlinedBox(box, outlinedBox);
44 public abstract void render(MatrixStack matrixStack, T boundingBox);
46 void renderCuboid(MatrixStack matrixStack, OffsetBox bb, Color color, boolean fillOnly, int fillAlpha) {
47 OffsetBox nudge = bb.nudge();
49 GL11.glEnable(GL11.GL_CULL_FACE);
50 RenderHelper.polygonModeFill();
53 renderCuboid0(matrixStack, nudge, color, fillOnly, fillAlpha);
56 RenderSystem.setShaderColor(1, 1, 1, 1);
59 private void renderCuboid0(MatrixStack stack, OffsetBox nudge, Color color, boolean fillOnly, int fillAlpha) {
60 if (!RenderCulling.isVisibleCulling(nudge.toBox())) return;
61 if (ConfigManager.invertBoxColorPlayerInside.get() &&
62 playerInsideBoundingBox(nudge)) {
63 color = new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue());
65 final MatrixStack.Entry lastStack = stack.peek();
67 int regionX = (((int) Camera.getX()) >> 9) << 9;
68 int regionZ = (((int) Camera.getZ()) >> 9) << 9;
69 RenderHelper.applyRegionalRenderOffset(stack);
70 RenderSystem.setShader(GameRenderer::getPositionShader);
71 final double minX = nudge.getMin().getX();
72 final double minY = nudge.getMin().getY();
73 final double minZ = nudge.getMin().getZ();
74 final double maxX = nudge.getMax().getX();
75 final double maxY = nudge.getMax().getY();
76 final double maxZ = nudge.getMax().getZ();
77 stack.translate(minX - regionX, minY, minZ - regionZ);
78 stack.scale((float) (maxX - minX),
79 (float) (maxY - minY),
80 (float) (maxZ - minZ));
82 Matrix4f viewMatrix = stack.peek().getModel();
83 Matrix4f projMatrix = RenderSystem.getProjectionMatrix();
84 Shader shader = RenderSystem.getShader();
85 if (fillOnly || ConfigManager.fill.get()) {
86 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, fillAlpha / 255F);
87 solidBox.setShader(viewMatrix, projMatrix, shader);
90 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 1F);
91 // outlinedBox.setShader(viewMatrix, projMatrix, shader);
92 final double minXL = minX - LINE_RADIUS;
93 final double minYL = minY - LINE_RADIUS;
94 final double minZL = minZ - LINE_RADIUS;
95 final double maxXL = maxX + LINE_RADIUS;
96 final double maxYL = maxY + LINE_RADIUS;
97 final double maxZL = maxZ + LINE_RADIUS;
99 stack.peek().getModel().load(lastStack.getModel());
100 stack.peek().getNormal().load(lastStack.getNormal());
101 renderLine(stack, new OffsetPoint(minXL, minYL, minZL), new OffsetPoint(maxXL, minYL, minZL), color);
102 renderLine(stack, new OffsetPoint(maxXL, minYL, minZL), new OffsetPoint(maxXL, minYL, maxZL), color);
103 renderLine(stack, new OffsetPoint(maxXL, minYL, maxZL), new OffsetPoint(minXL, minYL, maxZL), color);
104 renderLine(stack, new OffsetPoint(minXL, minYL, maxZL), new OffsetPoint(minXL, minYL, minZL), color);
105 renderLine(stack, new OffsetPoint(minXL, minYL, minZL), new OffsetPoint(minXL, maxYL, minZL), color);
106 renderLine(stack, new OffsetPoint(maxXL, minYL, minZL), new OffsetPoint(maxXL, maxYL, minZL), color);
107 renderLine(stack, new OffsetPoint(maxXL, minYL, maxZL), new OffsetPoint(maxXL, maxYL, maxZL), color);
108 renderLine(stack, new OffsetPoint(minXL, minYL, maxZL), new OffsetPoint(minXL, maxYL, maxZL), color);
109 renderLine(stack, new OffsetPoint(minXL, maxYL, minZL), new OffsetPoint(maxXL, maxYL, minZL), color);
110 renderLine(stack, new OffsetPoint(maxXL, maxYL, minZL), new OffsetPoint(maxXL, maxYL, maxZL), color);
111 renderLine(stack, new OffsetPoint(maxXL, maxYL, maxZL), new OffsetPoint(minXL, maxYL, maxZL), color);
112 renderLine(stack, new OffsetPoint(minXL, maxYL, maxZL), new OffsetPoint(minXL, maxYL, minZL), color);
119 private boolean playerInsideBoundingBox(OffsetBox nudge) {
120 return nudge.getMin().getX() < 0 && nudge.getMax().getX() > 0 &&
121 nudge.getMin().getY() < 0 && nudge.getMax().getY() > 0 &&
122 nudge.getMin().getZ() < 0 && nudge.getMax().getZ() > 0;
125 void renderLine(MatrixStack matrixStack, OffsetPoint startPoint, OffsetPoint endPoint, Color color) {
126 if ((startPoint.getY() == endPoint.getY() && startPoint.getZ() == endPoint.getZ()) ||
127 (startPoint.getX() == endPoint.getX() && startPoint.getZ() == endPoint.getZ()) ||
128 (startPoint.getX() == endPoint.getX() && startPoint.getY() == endPoint.getY())) {
129 renderCuboid(matrixStack, new OffsetBox(startPoint.offset(-LINE_RADIUS, -LINE_RADIUS, -LINE_RADIUS), endPoint.offset(LINE_RADIUS, LINE_RADIUS, LINE_RADIUS)), color, true, 255);
133 if (!RenderCulling.isVisibleCulling(new OffsetBox(startPoint, endPoint).toBox())) return; // TODO better culling
137 RenderHelper.applyRegionalRenderOffset(matrixStack);
138 RenderSystem.setShader(GameRenderer::getPositionShader);
139 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 1F);
140 int regionX = (((int) Camera.getX()) >> 9) * 512;
141 int regionZ = (((int) Camera.getZ()) >> 9) * 512;
143 BufferBuilder bufferBuilder = Tessellator.getInstance().getBuffer();
144 bufferBuilder.begin(VertexFormat.DrawMode.DEBUG_LINES,
145 VertexFormats.POSITION);
147 .vertex(matrixStack.peek().getModel(),
148 (float) startPoint.getX() - regionX,
149 (float) startPoint.getY(),
150 (float) startPoint.getZ() - regionZ)
153 .vertex(matrixStack.peek().getModel(),
154 (float) endPoint.getX() - regionX,
155 (float) endPoint.getY(),
156 (float) endPoint.getZ() - regionZ)
159 BufferRenderer.draw(bufferBuilder);
164 void renderText(MatrixStack matrixStack, OffsetPoint offsetPoint, String... texts) {
165 TextRenderer fontRenderer = MinecraftClient.getInstance().textRenderer;
166 RenderHelper.beforeRenderFont(matrixStack, offsetPoint);
167 float top = -(fontRenderer.fontHeight * texts.length) / 2f;
168 for (String text : texts) {
169 float left = fontRenderer.getWidth(text) / 2f;
170 fontRenderer.draw(new MatrixStack(), text, -left, top, -1);
171 top += fontRenderer.fontHeight;
173 RenderHelper.afterRenderFont(matrixStack);
176 void renderSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
177 if (ConfigManager.renderSphereAsDots.get()) {
178 renderDotSphere(matrixStack, center, radius, color);
180 renderLineSphere(matrixStack, center, radius, color);
184 private void renderLineSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
185 if (!RenderCulling.isVisibleCulling(new Box(new BlockPos(center.getX(), center.getY(), center.getZ())).expand(radius))) return;
186 RenderHelper.lineWidth2();
188 double offset = ((radius - (int) radius) == 0) ? center.getY() - (int) center.getY() : 0;
189 int dyStep = radius < 64 ? 1 : MathHelper.floor(radius / 32);
190 for (double dy = offset - radius; dy <= radius + 1; dy += dyStep) {
191 double circleRadius = Math.sqrt((radius * radius) - (dy * dy));
192 if (circleRadius == 0) circleRadius = Math.sqrt(2) / 2;
193 renderCircle(matrixStack, center, circleRadius, color, dy + 0.001F);
197 private void renderCircle(MatrixStack matrixStack, Point center, double radius, Color color, double dy) {
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.DEBUG_LINE_STRIP,
208 VertexFormats.POSITION);
210 Point firstPoint = null;
212 for (double phi = 0.0D; phi < TAU; phi += PHI_SEGMENT) {
213 final Point point = center.offset(Math.cos(phi) * radius, dy, Math.sin(phi) * radius);
214 if (firstPoint == null) firstPoint = point;
215 bufferBuilder.vertex(matrixStack.peek().getModel(),
216 (float) point.getX() - regionX,
217 (float) point.getY(),
218 (float) point.getZ() - regionZ)
222 bufferBuilder.vertex(matrixStack.peek().getModel(),
223 (float) firstPoint.getX() - regionX,
224 (float) firstPoint.getY(),
225 (float) firstPoint.getZ() - regionZ)
229 BufferRenderer.draw(bufferBuilder);
233 private void renderDotSphere(MatrixStack matrixStack, Point center, double radius, Color color) {
234 if (!RenderCulling.isVisibleCulling(new Box(new BlockPos(center.getX(), center.getY(), center.getZ())).expand(radius))) return;
236 RenderHelper.applyRegionalRenderOffset(matrixStack);
237 RenderSystem.setShader(GameRenderer::getPositionShader);
238 RenderSystem.setShaderColor(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F, 0.55f);
239 int regionX = (((int) Camera.getX()) >> 9) * 512;
240 int regionZ = (((int) Camera.getZ()) >> 9) * 512;
242 BufferBuilder bufferBuilder = Tessellator.getInstance().getBuffer();
243 bufferBuilder.begin(VertexFormat.DrawMode.QUADS,
244 VertexFormats.POSITION);
246 for (double phi = 0.0D; phi < TAU; phi += PHI_SEGMENT) {
247 double dy = radius * Math.cos(phi);
248 double radiusBySinPhi = radius * Math.sin(phi);
249 for (double theta = 0.0D; theta < PI; theta += THETA_SEGMENT) {
250 double dx = radiusBySinPhi * Math.cos(theta);
251 double dz = radiusBySinPhi * Math.sin(theta);
253 final Point point = center.offset(dx, dy, dz);
255 .vertex(matrixStack.peek().getModel(),
256 (float) point.getX() - regionX,
257 (float) point.getY(),
258 (float) point.getZ() - regionZ)
263 BufferRenderer.draw(bufferBuilder);