Fix internal document link handling (#410)

Co-authored-by: Hugo Locurcio <hugo.locurcio@hugo.pro>

src/document_link_provider.ts

@@ -0,0 +1,47 @@
+import * as vscode from "vscode";
+import { Uri, Position, Range, TextDocument } from "vscode";
+
+export class GDDocumentLinkProvider implements vscode.DocumentLinkProvider {
+	private context: vscode.ExtensionContext;
+
+	constructor(context: vscode.ExtensionContext) {
+		this.context = context;
+
+		const disp = vscode.languages.registerDocumentLinkProvider(
+			["gdresource"],
+			this
+		);
+
+		context.subscriptions.push(disp);
+	}
+
+	async provideDocumentLinks(
+		document: vscode.TextDocument,
+		token: vscode.CancellationToken
+	): Promise<vscode.DocumentLink[]> {
+		let links = [];
+		let lines = document.getText().split("\n");
+		for (let i = 0; i < lines.length; i++) {
+			const match = lines[i].match(/res:\/\/[^"^']*/);
+			if (match) {
+				const start = new Position(i, match.index);
+				const end = new Position(i, match.index + match[0].length);
+				const r = new Range(start, end);
+				const uri = await resourcePathToUri(match[0]);
+				if (uri instanceof Uri) {
+					links.push(new vscode.DocumentLink(r, uri));
+				}
+			}
+		}
+		return links;
+	}
+}
+
+async function resourcePathToUri(resPath: string) {
+	const files = await vscode.workspace.findFiles("**/project.godot");
+	if (!files) {
+		return resPath;
+	}
+	const project_dir = files[0].fsPath.replace("project.godot", "");
+	return Uri.joinPath(Uri.file(project_dir), resPath.substring(6));
+}

src/godot-tools.ts

@@ -1,6 +1,7 @@
 import * as vscode from "vscode";
 import * as path from 'path';
 import * as fs from 'fs';
+import { GDDocumentLinkProvider } from "./document_link_provider";
 import GDScriptLanguageClient, { ClientStatus } from "./lsp/GDScriptLanguageClient";
 import { get_configuration, set_configuration } from "./utils";
 
@@ -11,6 +12,8 @@ export class GodotTools {
 	private reconnection_attempts = 0;
 	private context: vscode.ExtensionContext;
 	private client: GDScriptLanguageClient = null;
+	private linkProvider: GDDocumentLinkProvider = null;
+
 	// deprecated, need to replace with "vscode.workspace.workspaceFolders", but
 	// that's an array and not a single value
 	private workspace_dir = vscode.workspace.rootPath;
@@ -25,6 +28,8 @@ export class GodotTools {
 		this.client.watch_status(this.on_client_status_changed.bind(this));
 		this.connection_status = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right);
 
+		this.linkProvider = new GDDocumentLinkProvider(p_context);
+                
 		setInterval(() => {
 			this.retry_callback();
 		}, get_configuration("reconnect_cooldown", 3000));

src/lsp/GDScriptLanguageClient.ts

@@ -97,6 +97,19 @@ export default class GDScriptLanguageClient extends LanguageClient {
 		if (is_debug_mode()) {
 			logger.log("[server]", JSON.stringify(message));
 		}
+
+		// This is a dirty hack to fix the language server sending us
+		// invalid file URIs
+		// This should be forward-compatible, meaning that it will work
+		// with the current broken version, AND the fixed future version.
+		const match = JSON.stringify(message).match(/"target":"file:\/\/[^\/][^"]*"/);
+		if (match) {
+			for (let i = 0; i < message["result"].length; i++) {
+				const x = message["result"][i]["target"];
+				message["result"][i]["target"] = x.replace('file://', 'file:///');
+			}
+		}
+		
 		this.message_handler.on_message(message);
 	}
 

syntaxes/examples/Example.gd

@@ -0,0 +1,4 @@
+extends Node
+
+func _ready():
+	pass

syntaxes/examples/Example.tscn

@@ -0,0 +1,93 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://Example.gd" type="Script" id=1]
+
+[sub_resource type="Environment" id=1]
+background_mode = 4
+tonemap_mode = 3
+glow_enabled = true
+glow_blend_mode = 0
+
+[sub_resource type="Animation" id=2]
+resource_name = "RESET"
+tracks/0/type = "value"
+tracks/0/path = NodePath("CanvasLayer/Panel:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0 ),
+"transitions": PoolRealArray( 1 ),
+"update": 0,
+"values": [ Color( 0, 0, 0, 0 ) ]
+}
+
+[sub_resource type="Animation" id=3]
+resource_name = "dim"
+tracks/0/type = "value"
+tracks/0/path = NodePath("CanvasLayer/Panel:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ Color( 0, 0, 0, 0 ), Color( 0, 0, 0, 0.501961 ) ]
+}
+
+[sub_resource type="Animation" id=4]
+tracks/0/type = "value"
+tracks/0/path = NodePath("CanvasLayer/Panel:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ Color( 0, 0, 0, 1 ), Color( 0, 0, 0, 0 ) ]
+}
+
+[sub_resource type="Animation" id=5]
+tracks/0/type = "value"
+tracks/0/path = NodePath("CanvasLayer/Panel:modulate")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ Color( 0, 0, 0, 0 ), Color( 0, 0, 0, 1 ) ]
+}
+
+[node name="Main" type="Node"]
+script = ExtResource( 1 )
+
+[node name="World" type="Node2D" parent="."]
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+environment = SubResource( 1 )
+
+[node name="CanvasLayer" type="CanvasLayer" parent="."]
+layer = 128
+
+[node name="Panel" type="Panel" parent="CanvasLayer"]
+modulate = Color( 0, 0, 0, 0 )
+anchor_right = 1.0
+anchor_bottom = 1.0
+mouse_filter = 2
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="FadePlayer" type="AnimationPlayer" parent="."]
+anims/RESET = SubResource( 2 )
+anims/dim = SubResource( 3 )
+anims/fade_in = SubResource( 4 )
+anims/fade_out = SubResource( 5 )

syntaxes/examples/rainbow_gradient_shader.tres

@@ -0,0 +1,41 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=2]
+
+[sub_resource type="Shader" id=63]
+code = "// HSV to RBG from https://www.rapidtables.com/convert/color/hsv-to-rgb.html
+// Rotation matrix from https://en.wikipedia.org/wiki/Rotation_matrix
+
+shader_type canvas_item;
+
+const float PI = 3.1415926535;
+
+uniform float strength: hint_range(0., 1.) = 0.5;
+uniform float speed: hint_range(0., 10.) = 0.5;
+uniform float angle: hint_range(0., 360.) = 0.;
+
+void fragment() {
+	float hue = UV.x * cos(radians(angle)) - UV.y * sin(radians(angle));
+	hue = fract(hue + fract(TIME  * speed));
+	float x = 1. - abs(mod(hue / (1./ 6.), 2.) - 1.);
+	vec3 rainbow;
+	if(hue < 1./6.){
+		rainbow = vec3(1., x, 0.);
+	} else if (hue < 1./3.) {
+		rainbow = vec3(x, 1., 0);
+	} else if (hue < 0.5) {
+		rainbow = vec3(0, 1., x);
+	} else if (hue < 2./3.) {
+		rainbow = vec3(0., x, 1.);
+	} else if (hue < 5./6.) {
+		rainbow = vec3(x, 0., 1.);
+	} else {
+		rainbow = vec3(1., 0., x);
+	}
+	vec4 color = texture(TEXTURE, UV);
+	COLOR = mix(color, vec4(rainbow, color.a), strength);
+}"
+
+[resource]
+shader = SubResource( 63 )
+shader_param/strength = 0.5
+shader_param/speed = 0.5
+shader_param/angle = 0.0