Huge ScriptType extends/implements back-end

src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java

@@ -4,6 +4,7 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.ScaledResolution;
 import net.minecraft.util.ChatAllowedCharacters;
+import net.minecraft.util.ResourceLocation;
 import noppes.npcs.NoppesStringUtils;
 import noppes.npcs.client.ClientProxy;
 import noppes.npcs.client.gui.script.GuiScriptInterface;
@@ -13,6 +14,7 @@ import noppes.npcs.client.gui.util.script.JavaTextContainer.LineData;
 // New interpreter system imports
 import noppes.npcs.client.gui.util.script.interpreter.ScriptLine;
 import noppes.npcs.client.gui.util.script.interpreter.ScriptTextContainer;
+import noppes.npcs.client.gui.util.script.interpreter.method.MethodInfo;
 import noppes.npcs.client.gui.util.script.interpreter.token.Token;
 import noppes.npcs.client.gui.util.script.interpreter.token.TokenType;
 import noppes.npcs.client.gui.util.script.interpreter.hover.HoverState;
@@ -95,6 +97,17 @@ public class GuiScriptTextArea extends GuiNpcTextField {
     private ITextChangeListener listener;
     private static int LINE_NUMBER_GUTTER_WIDTH = 25;
     
+    // ==================== GUTTER ICONS ====================
+    /** Icon width for override/implements icons in the gutter (scaled from 32x32 to fit line height) */
+    private static final int GUTTER_ICON_SIZE = 10;
+    /** Extra gutter width to accommodate inheritance icons */
+    private static final int ICON_GUTTER_WIDTH = 12;
+    /** Texture resource for script icons (64x32: first 32x32 = override, second 32x32 = implements) */
+    private static final ResourceLocation SCRIPT_ICONS = new ResourceLocation("customnpcs", "textures/gui/script/icons.png");
+    /** Hover state for gutter icons - tracks which icon the mouse is over */
+    private MethodInfo hoveredGutterMethod = null;
+    private int hoveredGutterLine = -1;
+    
     // ==================== UNDO/REDO ====================
     public List<UndoData> undoList = new ArrayList<>();
     public List<UndoData> redoList = new ArrayList<>();
@@ -465,12 +478,12 @@ public class GuiScriptTextArea extends GuiNpcTextField {
             return;
         clampSelectionBounds();
         
-        // Dynamically calculate gutter width based on line count digits
+        // Dynamically calculate gutter width based on line count digits + icon space
         if (container != null && container.linesCount > 0) {
             int maxLineNum = container.linesCount;
             String maxLineStr = String.valueOf(maxLineNum);
             int digitWidth = ClientProxy.Font.width(maxLineStr);
-            LINE_NUMBER_GUTTER_WIDTH = digitWidth + 10; // 10px total padding (5px left + 5px right)
+            LINE_NUMBER_GUTTER_WIDTH = digitWidth + 10 + ICON_GUTTER_WIDTH; // 10px padding + icon space
         }
         // Draw outer border around entire area
         int offset = fullscreen() ? 2 : 1;
@@ -638,7 +651,7 @@ public class GuiScriptTextArea extends GuiNpcTextField {
             int posY = y + (i - scroll.getScrolledLine()) * container.lineHeight + stringYOffset;
             String lineNum = String.valueOf(i + 1);
             int lineNumWidth = ClientProxy.Font.width(lineNum);
-            int lineNumX = x + LINE_NUMBER_GUTTER_WIDTH - lineNumWidth - 5; // right-align with 5px padding
+            int lineNumX = x + LINE_NUMBER_GUTTER_WIDTH - lineNumWidth - 5 - ICON_GUTTER_WIDTH; // right-align before icon space
             int lineNumY = posY + 1;
             // Highlight current line number
             int lineNumColor = 0xFF606366;
@@ -655,7 +668,7 @@ public class GuiScriptTextArea extends GuiNpcTextField {
             }
             ClientProxy.Font.drawString(lineNum, lineNumX, lineNumY, lineNumColor);
         }
-
+        
         // Render Viewport
         for (int i = renderStart; i <= renderEnd; i++) {
             LineData data = list.get(i);
@@ -864,6 +877,12 @@ public class GuiScriptTextArea extends GuiNpcTextField {
                 }
             }
         }
+
+        // Render GUTTER ICONS for method override/implements
+        hoveredGutterMethod = null;
+        hoveredGutterLine = -1;
+        renderGutterIcons(renderStart, renderEnd, stringYOffset, xMouse, yMouse, fracPixels);
+        
         GL11.glPopMatrix();
         GL11.glDisable(GL11.GL_SCISSOR_TEST);
 
@@ -907,6 +926,128 @@ public class GuiScriptTextArea extends GuiNpcTextField {
         int scissorH = this.height * scaleFactor;
         GL11.glScissor(scissorX, scissorY, scissorW, scissorH);
     }
+    
+    // ==================== GUTTER ICON RENDERING ====================
+    
+    /**
+     * Render override/implements icons in the gutter for methods with inheritance markers.
+     * Icons are rendered at the start of lines where method declarations with inheritance exist.
+     */
+    private void renderGutterIcons(int renderStart, int renderEnd, int stringYOffset, int xMouse, int yMouse, float fracPixels) {
+        if (container == null || container.getDocument() == null) return;
+        
+        // Icon position in the gutter (right side of gutter, before line numbers)
+        int iconX = x + LINE_NUMBER_GUTTER_WIDTH - ICON_GUTTER_WIDTH + 1;
+        
+        // Adjust mouse Y for fractional scroll
+        float adjustedMouseY = yMouse + fracPixels;
+        
+        for (int lineIndex = renderStart; lineIndex <= renderEnd; lineIndex++) {
+            // Get method info for this line if it has an inheritance marker
+            MethodInfo method = getMethodWithInheritanceMarkerAtLine(lineIndex);
+            if (method == null) continue;
+            
+            int posY = y + (lineIndex - scroll.getScrolledLine()) * container.lineHeight + stringYOffset;
+            int iconY = posY + (container.lineHeight - GUTTER_ICON_SIZE) / 2 - 1;
+            
+            // Determine which icon to draw (override = 0, implements = 1)
+            boolean isOverride = method.isOverride();
+            int iconU = isOverride ? 0 : 32; // U offset in texture (0 for override, 32 for implements)
+            
+            // Bind the icons texture
+            Minecraft.getMinecraft().renderEngine.bindTexture(SCRIPT_ICONS);
+            
+            // Draw the icon scaled from 32x32 to GUTTER_ICON_SIZE
+            GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
+            GL11.glPushMatrix(); 
+            float scale = 2;
+            GL11.glScalef(scale,scale,scale);
+            GL11.glTranslatef(-4,-3.25F,0);
+            GuiUtil.drawScaledTexturedRect((int) (iconX/scale), (int) (iconY/scale), iconU, 0, 32, 32, GUTTER_ICON_SIZE, GUTTER_ICON_SIZE, 64, 32);
+            GL11.glPopMatrix();
+            // Check if mouse is hovering over this icon (for tooltip)
+            int screenPosY = y + (lineIndex - scroll.getScrolledLine()) * container.lineHeight;
+            if (xMouse >= iconX && xMouse < iconX + GUTTER_ICON_SIZE &&
+                adjustedMouseY >= screenPosY && adjustedMouseY < screenPosY + container.lineHeight) {
+                hoveredGutterMethod = method;
+                hoveredGutterLine = lineIndex;
+            }
+        }
+        
+        // Render gutter icon tooltip if hovering
+        renderGutterIconTooltip(xMouse, yMouse);
+    }
+    
+    /**
+     * Get a method with an inheritance marker (override or implements) that starts on the given line.
+     */
+    private MethodInfo getMethodWithInheritanceMarkerAtLine(int lineIndex) {
+        if (container == null || container.getDocument() == null) return null;
+        if (lineIndex < 0 || lineIndex >= container.lines.size()) return null;
+        
+        LineData lineData = container.lines.get(lineIndex);
+        int lineStart = lineData.start;
+        int lineEnd = lineData.end;
+        
+        // Check all methods in the document
+        for (MethodInfo method : container.getDocument().getAllMethods()) {
+            if (!method.hasInheritanceMarker()) continue;
+            
+            // Check if the method's name offset is on this line
+            int nameOffset = method.getNameOffset();
+            if (nameOffset >= lineStart && nameOffset < lineEnd) {
+                return method;
+            }
+        }
+        
+        return null;
+    }
+    
+    /**
+     * Render tooltip for the currently hovered gutter icon.
+     */
+    private void renderGutterIconTooltip(int xMouse, int yMouse) {
+        if (hoveredGutterMethod == null) return;
+        
+        // Build tooltip text
+        String tooltipText;
+        if (hoveredGutterMethod.isOverride()) {
+            String parentName = hoveredGutterMethod.getOverridesFrom() != null 
+                ? hoveredGutterMethod.getOverridesFrom().getSimpleName() 
+                : "parent class";
+            tooltipText = "Overrides method in " + parentName;
+        } else {
+            String ifaceName = hoveredGutterMethod.getImplementsFrom() != null 
+                ? hoveredGutterMethod.getImplementsFrom().getSimpleName() 
+                : "interface";
+            tooltipText = "Implements method from " + ifaceName;
+        }
+        
+        // Calculate tooltip position (to the right of the icon)
+        int tooltipX = xMouse + 10;
+        int tooltipY = yMouse - 5;
+        
+        // Measure text width
+        int textWidth = ClientProxy.Font.width(tooltipText);
+        int padding = 4;
+        
+        // Draw tooltip background
+        drawRect(tooltipX - padding, tooltipY - padding, 
+                 tooltipX + textWidth + padding, tooltipY + ClientProxy.Font.height() + padding, 
+                 0xE0000000);
+        
+        // Draw tooltip border
+        drawRect(tooltipX - padding, tooltipY - padding, 
+                 tooltipX + textWidth + padding, tooltipY - padding + 1, 
+                 0xFF505050);
+        drawRect(tooltipX - padding, tooltipY + ClientProxy.Font.height() + padding - 1, 
+                 tooltipX + textWidth + padding, tooltipY + ClientProxy.Font.height() + padding, 
+                 0xFF505050);
+        
+        // Draw tooltip text
+        ClientProxy.Font.drawString(tooltipText, tooltipX, tooltipY, 0xFFFFFFFF);
+    }
+    
     // ==================== SELECTION & CURSOR POSITION ====================
 
     // Get cursor position from mouse coordinates