first commit

2026-05-01 19:12:47 +02:00
commit d44985347f
46 changed files with 2950 additions and 0 deletions
@@ -0,0 +1,61 @@
+package online.bobtony.gui.render;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import net.minecraft.client.gl.ShaderProgramKeys;
+import net.minecraft.client.render.*;
+import org.lwjgl.opengl.GL11;
+import org.joml.Matrix4f;
+
+import java.awt.Color;
+
+public class RoundedBoxRenderer {
+    public static void drawRoundedBox(Matrix4f matrix4f, float x, float y, float width, float height, float radius, Color color) {
+        int colorInt = color.getRGB();
+
+        RenderSystem.enableBlend();
+        RenderSystem.disableDepthTest();
+        GL11.glEnable(GL11.GL_LINE_SMOOTH);
+        Tessellator tessellator = RenderSystem.renderThreadTesselator();
+        RenderSystem.setShader(ShaderProgramKeys.POSITION_COLOR);
+
+        BufferBuilder bufferBuilder = tessellator.begin(VertexFormat.DrawMode.LINES, VertexFormats.POSITION_COLOR);
+
+        drawFilledArc(bufferBuilder, matrix4f, x + radius, y + radius, radius, 180.0f, 90.0f, colorInt);
+        drawFilledArc(bufferBuilder, matrix4f, x + width - radius, y + radius, radius, 270.0f, 90.0f, colorInt);
+        drawFilledArc(bufferBuilder, matrix4f, x + width - radius, y + height - radius, radius, 0.0f, 90.0f, colorInt);
+        drawFilledArc(bufferBuilder, matrix4f, x + radius, y + height - radius, radius, 90.0f, 90.0f, colorInt);
+
+        drawRect(bufferBuilder, matrix4f, x + radius, y, width - 2 * radius, height, colorInt);
+        drawRect(bufferBuilder, matrix4f, x, y + radius, width, height - 2 * radius, colorInt);
+
+        BufferRenderer.drawWithGlobalProgram(bufferBuilder.end());
+        GL11.glDisable(GL11.GL_LINE_SMOOTH);
+        RenderSystem.disableBlend();
+        RenderSystem.enableDepthTest();
+    }
+
+    private static void drawRect(BufferBuilder buffer, Matrix4f matrix, float x, float y, float width, float height, int color) {
+        buffer.vertex(matrix, x, y, 0).color(color);
+        buffer.vertex(matrix, x + width, y, 0).color(color);
+        buffer.vertex(matrix, x + width, y + height, 0).color(color);
+        buffer.vertex(matrix, x, y + height, 0).color(color);
+    }
+
+    private static void drawFilledArc(BufferBuilder buffer, Matrix4f matrix, float cx, float cy, float radius, float startAngle, float arcAngle, int color) {
+        int segments = 20;
+        float angleStep = arcAngle / segments;
+        for (int i = 0; i < segments; i++) {
+            float theta1 = (float) Math.toRadians(startAngle + i * angleStep);
+            float theta2 = (float) Math.toRadians(startAngle + (i + 1) * angleStep);
+
+            float x1 = cx + (float) Math.cos(theta1) * radius;
+            float y1 = cy + (float) Math.sin(theta1) * radius;
+            float x2 = cx + (float) Math.cos(theta2) * radius;
+            float y2 = cy + (float) Math.sin(theta2) * radius;
+
+            buffer.vertex(matrix, cx, cy, 0).color(color);
+            buffer.vertex(matrix, x1, y1, 0).color(color);
+            buffer.vertex(matrix, x2, y2, 0).color(color);
+        }
+    }
+}