/**
* Create Light Tool
* Creates Light2D or Light3D nodes (DirectionalLight, OmniLight, SpotLight, PointLight)
*
* 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 {
CreateLightSchema,
CreateLightInput,
toMcpSchema,
safeValidateInput,
} from '../../core/ZodSchemas.js';
export const createLightDefinition: ToolDefinition = {
name: 'create_light',
description: 'Create a Light2D or Light3D node for scene lighting',
inputSchema: toMcpSchema(CreateLightSchema),
};
// Map light type to Godot class name
const lightTypeToClass: Record<string, string> = {
directional_3d: 'DirectionalLight3D',
omni_3d: 'OmniLight3D',
spot_3d: 'SpotLight3D',
point_2d: 'PointLight2D',
directional_2d: 'DirectionalLight2D',
};
export const handleCreateLight = async (args: BaseToolArgs): Promise<ToolResponse> => {
const preparedArgs = prepareToolArgs(args);
// Zod validation
const validation = safeValidateInput(CreateLightSchema, preparedArgs);
if (!validation.success) {
return createErrorResponse(`Validation failed: ${validation.error}`, [
'Provide projectPath, scenePath, nodeName, and lightType',
]);
}
const typedArgs: CreateLightInput = validation.data;
// Validate light type
if (!lightTypeToClass[typedArgs.lightType]) {
return createErrorResponse(`Invalid light type: ${typedArgs.lightType}`, [
'Valid types: directional_3d, omni_3d, spot_3d, point_2d, directional_2d',
]);
}
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 nodeType = lightTypeToClass[typedArgs.lightType];
logDebug(`Creating ${nodeType}: ${typedArgs.nodeName}`);
const params: BaseToolArgs = {
scene_path: typedArgs.scenePath,
node_type: nodeType,
node_name: typedArgs.nodeName,
parent_node_path: typedArgs.parentNodePath ?? '',
};
if (typedArgs.color) {
params.color = typedArgs.color;
}
if (typedArgs.energy !== undefined) {
params.energy = typedArgs.energy;
}
if (typedArgs.range !== undefined) {
params.range = typedArgs.range;
}
if (typedArgs.spotAngle !== undefined) {
params.spot_angle = typedArgs.spotAngle;
}
if (typedArgs.shadowEnabled !== undefined) {
params.shadow_enabled = typedArgs.shadowEnabled;
}
if (typedArgs.texturePath) {
params.texture_path = typedArgs.texturePath;
}
const { stdout, stderr } = await executeOperation(
'create_light',
params,
typedArgs.projectPath,
godotPath,
);
if (stderr && stderr.includes('Failed to')) {
return createErrorResponse(`Failed to create light: ${stderr}`, [
'Check if the parent node exists',
'Verify the scene path is correct',
]);
}
return createSuccessResponse(
`Light created successfully: ${typedArgs.nodeName} (${nodeType})\nEnergy: ${typedArgs.energy ?? 1.0}\n\nOutput: ${stdout}`,
);
} catch (error: unknown) {
const errorMessage = error instanceof Error ? error.message : 'Unknown error';
return createErrorResponse(`Failed to create light: ${errorMessage}`, [
'Ensure Godot is installed correctly',
]);
}
};
