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Marshall7

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  1. Hi. I am drawing a series of lines in the world and everything is going well except the lines are not visible when they intersect water (as with solid blocks) I have the following code: @SubscribeEvent public static void drawLast(RenderWorldLastEvent event) { renderMyLines(event.getMatrixStack()); // Draws lines perfectly except when they are underwater (and I'm not) } @SubscribeEvent public static void drawSelection(DrawSelectionEvent event) { renderMyLines(event.getMatrix()); // Draws lines perfectly, even going underwater - BUT! ONLY when I'm looking at a block! } Is there an event I can use to render my lines such that they will be drawn correctly, even underwater and regardless of what I'm looking at? I've searched through the code for forge hooks/events (especially LevelRenderer.renderLevel() where these events are triggered) but can't seem to find anything close to the above. Many thanks.
  2. Thanks I will look at that. I am working on a sort of breadcrumb trail overlay that shows where I've been recently.
  3. Thank you! I was able to make something appear using LevelRenderer and now I have determined the key thing that was wrong with my original code: My custom render type needed to include .setShaderState(RENDERTYPE_LINES_SHADER) and for some reason I need one or both of RenderSystem.disableDepthTest(); RenderSystem.disableCull(); ...if I want to see the line through other blocks.
  4. I am trying to find the class you mentioned but StructureBlockEntityRenderer doesn't appear to exist in the vanilla code that I can see. I also cannot find any results on google for either class. I can see LevelRenderer but so far haven't been able to figure out how to use it or what is wrong with my existing code.
  5. Do you have a link to some sample code or guide? I cannot seem to find any information about those. Is my existing code completely wrong? I'd like to understand why my existing code is not working and why it is not right for the job.
  6. Hi all. New to modding so this is probably a silly question but I've searched and searched but cannot find any guides or sample code that works for 1.17.1 I have successfully created a client-side only mod that displays the player's coordinates on the screen and am now trying to draw a simple line in the world. Unfortunately, everything I have tried results in nothing displaying or a crash. My latest crash is Cannot invoke "net.minecraft.client.renderer.ShaderInstance.setSampler(String, Object)" because "shaderinstance" is null Here is the code I have so far public class MyRenderType extends RenderType { public MyRenderType(String p_173178_, VertexFormat p_173179_, VertexFormat.Mode p_173180_, int p_173181_, boolean p_173182_, boolean p_173183_, Runnable p_173184_, Runnable p_173185_) { super(p_173178_, p_173179_, p_173180_, p_173181_, p_173182_, p_173183_, p_173184_, p_173185_); } private static final LineStateShard THICK_LINES = new LineStateShard(OptionalDouble.of(3.0)); public static final RenderType OVERLAY_LINES = create("overlay_lines", DefaultVertexFormat.POSITION_COLOR, VertexFormat.Mode.LINES, 256, true, true, CompositeState.builder() .setLineState(THICK_LINES) .setLayeringState(VIEW_OFFSET_Z_LAYERING) .setTransparencyState(TRANSLUCENT_TRANSPARENCY) .setTextureState(NO_TEXTURE) .setDepthTestState(NO_DEPTH_TEST) .setCullState(NO_CULL) .setLightmapState(NO_LIGHTMAP) .setWriteMaskState(COLOR_WRITE) .createCompositeState(false) ); } /////////////// @SubscribeEvent public static void drawLast(RenderWorldLastEvent event) { MultiBufferSource.BufferSource buffer = MultiBufferSource.immediate(Tesselator.getInstance().getBuilder()); VertexConsumer builder = buffer.getBuffer(MyRenderType.OVERLAY_LINES); PoseStack matrixStack = event.getMatrixStack(); Vec3 pos = minecraft.player.position(); matrixStack.pushPose(); matrixStack.translate(-pos.x, -pos.y, -pos.z); Matrix4f matrix = matrixStack.last().pose(); // There's also a version of the vertex method that doesn't take matrixStack, I tried that too but it made no difference. builder.vertex(matrixStack, (float)-5 + 0.5f, (float)0 + 0.5f, (float)5 + 0.5f) .color(1,0,0,1f) .endVertex(); builder.vertex(matrixStack, (float)5 + 0.5f, (float)0 + 0.5f, (float)5 + 0.5f) .color(1, 0, 0, 1f) .endVertex(); // I tried adding these lines but it made no difference. //RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F); //RenderSystem.setShader(GameRenderer::getPositionColorShader); buffer.endBatch(); // crashes here matrixStack.popPose(); } Any help is much appreciated
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