/**
* Create Navigation Region Tool
* Creates NavigationRegion2D or NavigationRegion3D nodes
*
* ISO/IEC 5055 compliant - Zod validation
* ISO/IEC 25010 compliant - data integrity
*/
import { ToolDefinition, ToolResponse, BaseToolArgs } from '../../server/types.js';
import {
prepareToolArgs,
validateProjectPath,
validateScenePath,
createSuccessResponse,
} from '../BaseToolHandler.js';
import { createErrorResponse } from '../../utils/ErrorHandler.js';
import { detectGodotPath } from '../../core/PathManager.js';
import { executeOperation } from '../../core/GodotExecutor.js';
import { logDebug } from '../../utils/Logger.js';
import {
CreateNavigationRegionSchema,
CreateNavigationRegionInput,
toMcpSchema,
safeValidateInput,
} from '../../core/ZodSchemas.js';
export const createNavigationRegionDefinition: ToolDefinition = {
name: 'create_navigation_region',
description: 'Create a NavigationRegion2D or NavigationRegion3D node for pathfinding',
inputSchema: toMcpSchema(CreateNavigationRegionSchema),
};
export const handleCreateNavigationRegion = async (args: BaseToolArgs): Promise<ToolResponse> => {
const preparedArgs = prepareToolArgs(args);
// Zod validation
const validation = safeValidateInput(CreateNavigationRegionSchema, preparedArgs);
if (!validation.success) {
return createErrorResponse(`Validation failed: ${validation.error}`, [
'Provide projectPath, scenePath, and nodeName',
]);
}
const typedArgs: CreateNavigationRegionInput = validation.data;
const projectValidationError = validateProjectPath(typedArgs.projectPath);
if (projectValidationError) {
return projectValidationError;
}
const sceneValidationError = validateScenePath(typedArgs.projectPath, typedArgs.scenePath);
if (sceneValidationError) {
return sceneValidationError;
}
try {
const godotPath = await detectGodotPath();
if (!godotPath) {
return createErrorResponse('Could not find a valid Godot executable path', [
'Ensure Godot is installed correctly',
'Set GODOT_PATH environment variable',
]);
}
const is3D = typedArgs.is3D ?? false;
const nodeType = is3D ? 'NavigationRegion3D' : 'NavigationRegion2D';
logDebug(`Creating ${nodeType}: ${typedArgs.nodeName}`);
const params: BaseToolArgs = {
scene_path: typedArgs.scenePath,
node_name: typedArgs.nodeName,
parent_node_path: typedArgs.parentNodePath ?? '',
is_3d: is3D,
};
if (typedArgs.navigationMeshPath) {
params.navigation_mesh_path = typedArgs.navigationMeshPath;
}
const { stdout, stderr } = await executeOperation(
'create_navigation_region',
params,
typedArgs.projectPath,
godotPath,
);
if (stderr && stderr.includes('Failed to')) {
return createErrorResponse(`Failed to create navigation region: ${stderr}`, [
'Check if the parent node exists',
'Verify the scene path is correct',
]);
}
return createSuccessResponse(
`NavigationRegion created successfully: ${typedArgs.nodeName} (${nodeType})\n\nOutput: ${stdout}`,
);
} catch (error: unknown) {
const errorMessage = error instanceof Error ? error.message : 'Unknown error';
return createErrorResponse(`Failed to create navigation region: ${errorMessage}`, [
'Ensure Godot is installed correctly',
]);
}
};
