McRogueFace/tests/simple_interactive_visibility.py
John McCardle d13153ddb4 feat(engine): implement perspective FOV, pathfinding, and GUI text widgets
Major Engine Enhancements:
- Complete FOV (Field of View) system with perspective rendering
  - UIGrid.perspective property for entity-based visibility
  - Three-layer overlay colors (unexplored, explored, visible)
  - Per-entity visibility state tracking
  - Perfect knowledge updates only for explored areas

- Advanced Pathfinding Integration
  - A* pathfinding implementation in UIGrid
  - Entity.path_to() method for direct pathfinding
  - Dijkstra maps for multi-target pathfinding
  - Path caching for performance optimization

- GUI Text Input Widgets
  - TextInputWidget class with cursor, selection, scrolling
  - Improved widget with proper text rendering and input handling
  - Example showcase of multiple text input fields
  - Foundation for in-game console and chat systems

- Performance & Architecture Improvements
  - PyTexture copy operations optimized
  - GameEngine update cycle refined
  - UIEntity property handling enhanced
  - UITestScene modernized

Test Suite:
- Interactive visibility demos showing FOV in action
- Pathfinding comparison (A* vs Dijkstra)
- Debug utilities for visibility and empty path handling
- Sizzle reel demo combining pathfinding and vision
- Multiple text input test scenarios

This commit brings McRogueFace closer to a complete roguelike engine
with essential features like line-of-sight, intelligent pathfinding,
and interactive text input capabilities.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-07-09 22:18:29 -04:00

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Python

#!/usr/bin/env python3
"""Simple interactive visibility test"""
import mcrfpy
import sys
# Create scene and grid
print("Creating scene...")
mcrfpy.createScene("vis_test")
print("Creating grid...")
grid = mcrfpy.Grid(grid_x=10, grid_y=10)
# Initialize grid
print("Initializing grid...")
for y in range(10):
for x in range(10):
cell = grid.at(x, y)
cell.walkable = True
cell.transparent = True
cell.color = mcrfpy.Color(100, 100, 120)
# Create entity
print("Creating entity...")
entity = mcrfpy.Entity(5, 5, grid=grid)
entity.sprite_index = 64
print("Updating visibility...")
entity.update_visibility()
# Set up UI
print("Setting up UI...")
ui = mcrfpy.sceneUI("vis_test")
ui.append(grid)
grid.position = (50, 50)
grid.size = (300, 300)
# Test perspective
print("Testing perspective...")
grid.perspective = -1 # Omniscient
print(f"Perspective set to: {grid.perspective}")
print("Setting scene...")
mcrfpy.setScene("vis_test")
print("Ready!")