Fix #246

1 files changed, 201 insertions, 0 deletions

diff --git a/src/main/java/me/shedaniel/rei/gui/RecipeDisplayExporter.java b/src/main/java/me/shedaniel/rei/gui/RecipeDisplayExporter.java
new file mode 100644
index 000000000..4852f01c8
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/gui/RecipeDisplayExporter.java
@@ -0,0 +1,201 @@
+/*
+ * Roughly Enough Items by Danielshe.
+ * Licensed under the MIT License.
+ */
+
+package me.shedaniel.rei.gui;
+
+import com.mojang.blaze3d.platform.GlStateManager;
+import com.mojang.blaze3d.systems.RenderSystem;
+import me.shedaniel.math.api.Rectangle;
+import me.shedaniel.rei.gui.widget.Widget;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gl.Framebuffer;
+import net.minecraft.client.gui.Element;
+import net.minecraft.client.render.DiffuseLighting;
+import net.minecraft.client.render.OverlayTexture;
+import net.minecraft.client.render.VertexConsumerProvider;
+import net.minecraft.client.render.model.BakedModel;
+import net.minecraft.client.render.model.json.ModelTransformation;
+import net.minecraft.client.texture.NativeImage;
+import net.minecraft.client.texture.SpriteAtlasTexture;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.resource.ResourceImpl;
+import org.jetbrains.annotations.ApiStatus;
+import org.lwjgl.opengl.GL11;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+
+@ApiStatus.Internal
+@ApiStatus.Experimental
+public final class RecipeDisplayExporter extends Widget {
+    private static final RecipeDisplayExporter INSTANCE = new RecipeDisplayExporter();
+    
+    private RecipeDisplayExporter() {}
+    
+    public static void exportRecipeDisplay(Rectangle rectangle, List<Widget> widgets) {
+        INSTANCE.exportRecipe(rectangle, widgets);
+    }
+    
+    private void exportRecipe(Rectangle rectangle, List<Widget> widgets) {
+        Framebuffer framebuffer = new Framebuffer(rectangle.width * 8, rectangle.height * 8, true, MinecraftClient.IS_SYSTEM_MAC);
+        framebuffer.setClearColor(0, 0, 0, 0);
+        //        int color = ScreenHelper.isDarkModeEnabled() ? -13750738 : -3750202;
+        //        framebuffer.setClearColor(((color >> 16) & 0xFF) / 255f, ((color >> 8) & 0xFF) / 255f, (color & 0xFF) / 255f, ((color >> 24) & 0xFF) / 255f);
+        framebuffer.clear(MinecraftClient.IS_SYSTEM_MAC);
+        RenderSystem.pushMatrix();
+        //        RenderSystem.clear(16640, MinecraftClient.IS_SYSTEM_MAC);
+        framebuffer.beginWrite(true);
+        
+        // Fresh matrices
+        //        RenderSystem.clear(256, MinecraftClient.IS_SYSTEM_MAC);
+        RenderSystem.matrixMode(GL11.GL_PROJECTION);
+        RenderSystem.pushMatrix();
+        RenderSystem.loadIdentity();
+        //        RenderSystem.ortho(0.0D, rectangle.width * 8, rectangle.height * 8, 0.0D, -1, 1);
+        //        RenderSystem.scalef(1, -1,0);
+        //        RenderSystem.ortho(-1, 1, 1, -1, -1, 1);
+        //        RenderSystem.ortho(-1, 1, 1, -1, -1, 1);
+        RenderSystem.matrixMode(GL11.GL_MODELVIEW);
+        RenderSystem.pushMatrix();
+        RenderSystem.loadIdentity();
+        //        RenderSystem.translatef(0.0F, 0.0F, -2000.0F);
+        //        RenderSystem.rotatef(180, 1, 0, 0);
+        RenderSystem.scalef(2f / rectangle.width, -2f / rectangle.height, 0);
+        //        RenderSystem.scalef(1f / rectangle.width, -1f / rectangle.height, 0);
+        //        RenderSystem.translatef(10,10,0);
+        RenderSystem.translatef(-rectangle.x, -rectangle.y, 0);
+        //        RenderSystem.translatef(rectangle.x, rectangle.y, 0);
+        RenderSystem.translatef(-rectangle.width / 2f, -rectangle.height / 2f, 0);
+        
+        //        RenderSystem.enableAlphaTest();
+        //        RenderSystem.alphaFunc(516, 0.1F);
+        //        RenderSystem.enableBlend();
+        //        RenderSystem.blendFuncSeparate(GlStateManager.SrcFactor.ONE_MINUS_DST_ALPHA, GlStateManager.DstFactor.DST_ALPHA, GlStateManager.SrcFactor.ONE, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA);
+        RenderSystem.enableAlphaTest();
+        RenderSystem.defaultAlphaFunc();
+        RenderSystem.enableBlend();
+        RenderSystem.enableDepthTest();
+        RenderSystem.blendFunc(GlStateManager.SrcFactor.SRC_ALPHA, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA);
+        RenderSystem.depthMask(false);
+        RenderSystem.disableCull();
+        RenderSystem.pushLightingAttributes();
+        for (Widget widget : widgets) {
+            widget.render(-1, -1, minecraft.getTickDelta());
+        }
+        {
+            ItemStack stack = new ItemStack(Items.OAK_STAIRS);
+            final BakedModel model = minecraft.getItemRenderer().getHeldItemModel(stack, minecraft.world, minecraft.player);
+            minecraft.getTextureManager().bindTexture(SpriteAtlasTexture.BLOCK_ATLAS_TEX);
+            minecraft.getTextureManager().getTexture(SpriteAtlasTexture.BLOCK_ATLAS_TEX).setFilter(false, false);
+            
+            RenderSystem.enableRescaleNormal();
+            RenderSystem.enableAlphaTest();
+            RenderSystem.defaultAlphaFunc();
+            RenderSystem.enableBlend();
+            RenderSystem.enableDepthTest();
+            RenderSystem.blendFunc(GlStateManager.SrcFactor.SRC_ALPHA, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA);
+            
+            RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F);
+            MatrixStack matrixStack = new MatrixStack();
+            
+            matrixStack.translate(rectangle.x + 8, rectangle.y + 8, 0);
+            matrixStack.scale(16, -16, 1F);
+            
+            boolean disableGuiLight = !model.hasDepthInGui();
+            if (disableGuiLight) {
+                DiffuseLighting.disableGuiDepthLighting();
+            }
+            
+            VertexConsumerProvider.Immediate immediate = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers();
+            minecraft.getItemRenderer().renderItem(stack, ModelTransformation.Type.GUI, false, matrixStack, immediate, 15728880, OverlayTexture.DEFAULT_UV, model);
+            immediate.draw();
+            
+            RenderSystem.enableDepthTest();
+            
+            if (disableGuiLight) {
+                DiffuseLighting.enableGuiDepthLighting();
+            }
+            
+            RenderSystem.disableAlphaTest();
+            RenderSystem.disableRescaleNormal();
+        }
+        //        fillGradient(0, 0, 10, 10, -1, -1);
+        //        fillGradient(rectangle.x, rectangle.y, rectangle.x + 10, rectangle.y + 10, -16777216, -16777216);
+        RenderSystem.depthMask(true);
+        RenderSystem.disableAlphaTest();
+        RenderSystem.disableRescaleNormal();
+        RenderSystem.disableDepthTest();
+        //        RenderSystem.disableAlphaTest();
+        //        RenderSystem.disableBlend();
+        
+        // Reset matrices
+        RenderSystem.matrixMode(GL11.GL_PROJECTION);
+        RenderSystem.popMatrix();
+        RenderSystem.matrixMode(GL11.GL_MODELVIEW);
+        RenderSystem.popMatrix();
+        
+        framebuffer.endWrite();
+        RenderSystem.popMatrix();
+        RenderSystem.viewport(0, 0, minecraft.getWindow().getFramebufferWidth(), minecraft.getWindow().getFramebufferHeight());
+        
+        NativeImage nativeImage = new NativeImage(rectangle.width * 8, rectangle.height * 8, false);
+        RenderSystem.bindTexture(framebuffer.colorAttachment);
+        nativeImage.loadFromTextureImage(0, false);
+        {
+            int width = rectangle.width * 8;
+            int height = rectangle.height * 8;
+            for (int y = 0; y < height; ++y) {
+                for (int x = 0; x < width; ++x) {
+                    if (x > 24 && x < width - 24 && y > 24 && y < height - 24)
+                        nativeImage.setPixelRgba(x, y, nativeImage.getPixelRgba(x, y) | 255 << NativeImage.Format.RGBA.getAlphaChannelOffset());
+                }
+            }
+        }
+        
+        nativeImage.mirrorVertically();
+        ResourceImpl.RESOURCE_IO_EXECUTOR.execute(() -> {
+            try {
+                File export = new File(minecraft.runDirectory, "export");
+                //noinspection ResultOfMethodCallIgnored
+                export.mkdirs();
+                nativeImage.writeFile(getExportFilename(export));
+            } catch (IOException e) {
+                e.printStackTrace();
+            } finally {
+                nativeImage.close();
+                RenderSystem.recordRenderCall(framebuffer::delete);
+            }
+        });
+    }
+    
+    private static File getExportFilename(File directory) {
+        String string = new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss").format(new Date());
+        int i = 1;
+        
+        while (true) {
+            File file = new File(directory, "REI_" + string + (i == 1 ? "" : "_" + i) + ".png");
+            if (!file.exists()) {
+                return file;
+            }
+            
+            ++i;
+        }
+    }
+    
+    @Override
+    public void render(int mouseX, int mouseY, float delta) {
+    
+    }
+    
+    @Override
+    public List<? extends Element> children() {
+        return null;
+    }
+}