BlockPreview now can be scaled to whatever size given. Solves issue #4.

Author: CodingPupper3033

src/main/java/com/codingpupper3033/codebtekml/gui/screens/GuiDrawKML.java

@@ -54,7 +54,8 @@ public class GuiDrawKML extends GuiScreen {
     private String errorFileText = "";
 
     // Block Preview
-    private static final int[] BLOCK_PREVIEW_POS = {-154, 36};
+    private static final int[] BLOCK_PREVIEW_POS = {-155, 35};
+    public static final int[] BLOCK_PREVIEW_SIZE = {50,50};
     private BlockPreview blockPreview;
 
     // Block Name Text Box
@@ -125,7 +126,7 @@ public void initGui() {
         addButton(selectFileButton);
 
         // Block Preview
-        blockPreview = new BlockPreview(guiMiddleX+BLOCK_PREVIEW_POS[0], guiStartY+BLOCK_PREVIEW_POS[1],50,50, blockName);
+        blockPreview = new BlockPreview(guiMiddleX+BLOCK_PREVIEW_POS[0], guiStartY+BLOCK_PREVIEW_POS[1],BLOCK_PREVIEW_SIZE[0],BLOCK_PREVIEW_SIZE[1], blockName);
 
         // Block Name Text Box
         blockNameTextBox = new GuiTextField(BLOCK_NAME_TEXT_BOX_ID, mc.fontRenderer, guiMiddleX+BLOCK_NAME_TEXT_BOX_POS[0], guiStartY+BLOCK_NAME_TEXT_BOX_POS[1], BLOCK_NAME_TEXT_BOX_SIZE[0], BLOCK_NAME_TEXT_BOX_SIZE[1]);

src/main/java/com/codingpupper3033/codebtekml/gui/widgets/BlockPreview.java

@@ -65,8 +65,20 @@ public void drawPreview(Minecraft mc) {
             ItemStack itemStack = new ItemStack(block,1,nameMetaPair.getValue()); // Get item (+meta)
 
             RenderHelper.enableGUIStandardItemLighting(); // Bright boi
-            GlStateManager.translate(x, y, 0);
-            GlStateManager.scale(3,3,1); //x3
+
+            //Scale Block Size
+            int scale = Math.min(width/itemSize[0], height/itemSize[1]);
+            int blockWidth = itemSize[0]*scale;
+            int blockHeight = itemSize[1]*scale;
+
+            // Get Icon position
+            int blockRelativeX = (width-blockWidth)/2;
+            int blockRelativeY = (height-blockHeight)/2;
+
+            // Move to icon position
+            GlStateManager.translate(x+blockRelativeX, y+blockRelativeY, 0);
+
+            GlStateManager.scale(scale,scale,1); //x3
 
             mc.getRenderItem().renderItemAndEffectIntoGUI(itemStack,0,0);
         }