61 lines
2.9 KiB
Java
61 lines
2.9 KiB
Java
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package online.bobtony.gui.render;
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import com.mojang.blaze3d.systems.RenderSystem;
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import net.minecraft.client.gl.ShaderProgramKeys;
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import net.minecraft.client.render.*;
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import org.lwjgl.opengl.GL11;
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import org.joml.Matrix4f;
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import java.awt.Color;
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public class RoundedBoxRenderer {
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public static void drawRoundedBox(Matrix4f matrix4f, float x, float y, float width, float height, float radius, Color color) {
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int colorInt = color.getRGB();
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RenderSystem.enableBlend();
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RenderSystem.disableDepthTest();
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GL11.glEnable(GL11.GL_LINE_SMOOTH);
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Tessellator tessellator = RenderSystem.renderThreadTesselator();
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RenderSystem.setShader(ShaderProgramKeys.POSITION_COLOR);
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BufferBuilder bufferBuilder = tessellator.begin(VertexFormat.DrawMode.LINES, VertexFormats.POSITION_COLOR);
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drawFilledArc(bufferBuilder, matrix4f, x + radius, y + radius, radius, 180.0f, 90.0f, colorInt);
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drawFilledArc(bufferBuilder, matrix4f, x + width - radius, y + radius, radius, 270.0f, 90.0f, colorInt);
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drawFilledArc(bufferBuilder, matrix4f, x + width - radius, y + height - radius, radius, 0.0f, 90.0f, colorInt);
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drawFilledArc(bufferBuilder, matrix4f, x + radius, y + height - radius, radius, 90.0f, 90.0f, colorInt);
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drawRect(bufferBuilder, matrix4f, x + radius, y, width - 2 * radius, height, colorInt);
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drawRect(bufferBuilder, matrix4f, x, y + radius, width, height - 2 * radius, colorInt);
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BufferRenderer.drawWithGlobalProgram(bufferBuilder.end());
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GL11.glDisable(GL11.GL_LINE_SMOOTH);
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RenderSystem.disableBlend();
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RenderSystem.enableDepthTest();
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}
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private static void drawRect(BufferBuilder buffer, Matrix4f matrix, float x, float y, float width, float height, int color) {
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buffer.vertex(matrix, x, y, 0).color(color);
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buffer.vertex(matrix, x + width, y, 0).color(color);
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buffer.vertex(matrix, x + width, y + height, 0).color(color);
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buffer.vertex(matrix, x, y + height, 0).color(color);
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}
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private static void drawFilledArc(BufferBuilder buffer, Matrix4f matrix, float cx, float cy, float radius, float startAngle, float arcAngle, int color) {
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int segments = 20;
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float angleStep = arcAngle / segments;
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for (int i = 0; i < segments; i++) {
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float theta1 = (float) Math.toRadians(startAngle + i * angleStep);
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float theta2 = (float) Math.toRadians(startAngle + (i + 1) * angleStep);
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float x1 = cx + (float) Math.cos(theta1) * radius;
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float y1 = cy + (float) Math.sin(theta1) * radius;
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float x2 = cx + (float) Math.cos(theta2) * radius;
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float y2 = cy + (float) Math.sin(theta2) * radius;
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buffer.vertex(matrix, cx, cy, 0).color(color);
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buffer.vertex(matrix, x1, y1, 0).color(color);
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buffer.vertex(matrix, x2, y2, 0).color(color);
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}
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}
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}
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