diff options
Diffstat (limited to 'src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java')
| -rw-r--r-- | src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java index b87c057..73800cb 100644 --- a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java +++ b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java @@ -4,12 +4,48 @@ import com.mojang.blaze3d.systems.RenderSystem; import net.minecraft.client.renderer.GameRenderer; import com.mojang.blaze3d.vertex.Tesselator; import com.mojang.blaze3d.vertex.BufferBuilder; +import com.mojang.blaze3d.vertex.BufferUploader; import com.mojang.blaze3d.vertex.DefaultVertexFormat; import com.mojang.blaze3d.vertex.VertexFormat; import com.mojang.math.Matrix4f; public class GuiHelper { + public static void drawGradientRect(Matrix4f mat, int zLevel, int left, int top, int right, int bottom, int startColor, int endColor) + { + RenderSystem.enableDepthTest(); + RenderSystem.disableTexture(); + RenderSystem.enableBlend(); + RenderSystem.defaultBlendFunc(); + RenderSystem.setShader(GameRenderer::getPositionColorShader); + + Tesselator tessellator = Tesselator.getInstance(); + BufferBuilder bufferBuilder = tessellator.getBuilder(); + bufferBuilder.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_COLOR); + drawGradientRect(mat, bufferBuilder, left, top, right, bottom, zLevel, startColor, endColor); + BufferUploader.drawWithShader(bufferBuilder.end()); + + RenderSystem.disableBlend(); + RenderSystem.enableTexture(); + } + + public static void drawGradientRect(Matrix4f mat, BufferBuilder bufferBuilder, int left, int top, int right, int bottom, int zLevel, int startColor, int endColor) + { + float startAlpha = (float)(startColor >> 24 & 255) / 255.0F; + float startRed = (float)(startColor >> 16 & 255) / 255.0F; + float startGreen = (float)(startColor >> 8 & 255) / 255.0F; + float startBlue = (float)(startColor & 255) / 255.0F; + float endAlpha = (float)(endColor >> 24 & 255) / 255.0F; + float endRed = (float)(endColor >> 16 & 255) / 255.0F; + float endGreen = (float)(endColor >> 8 & 255) / 255.0F; + float endBlue = (float)(endColor & 255) / 255.0F; + + bufferBuilder.vertex(mat, right, top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex(); + bufferBuilder.vertex(mat, left, top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex(); + bufferBuilder.vertex(mat, left, bottom, zLevel).color( endRed, endGreen, endBlue, endAlpha).endVertex(); + bufferBuilder.vertex(mat, right, bottom, zLevel).color( endRed, endGreen, endBlue, endAlpha).endVertex(); + } + public static void drawGradientRectHorizontal(Matrix4f mat, int zLevel, int left, int top, int right, int bottom, int startColor, int endColor) { float startAlpha = (float)(startColor >> 24 & 255) / 255.0F; |