McRogueFace/tests/dijkstra_test.py

146 lines
4.3 KiB
Python

#!/usr/bin/env python3
"""
Dijkstra Pathfinding Test - Headless
====================================
Tests all Dijkstra functionality and generates a screenshot.
"""
import mcrfpy
from mcrfpy import automation
import sys
def create_test_map():
"""Create a test map with obstacles"""
mcrfpy.createScene("dijkstra_test")
# Create grid
grid = mcrfpy.Grid(grid_x=20, grid_y=12)
grid.fill_color = mcrfpy.Color(0, 0, 0)
# Initialize all cells as walkable floor
for y in range(12):
for x in range(20):
grid.at(x, y).walkable = True
grid.at(x, y).transparent = True
grid.at(x, y).color = mcrfpy.Color(200, 200, 220)
# Add walls to create interesting paths
walls = [
# Vertical wall in the middle
(10, 1), (10, 2), (10, 3), (10, 4), (10, 5), (10, 6), (10, 7), (10, 8),
# Horizontal walls
(2, 6), (3, 6), (4, 6), (5, 6), (6, 6),
(14, 6), (15, 6), (16, 6), (17, 6),
# Some scattered obstacles
(5, 2), (15, 2), (5, 9), (15, 9)
]
for x, y in walls:
grid.at(x, y).walkable = False
grid.at(x, y).color = mcrfpy.Color(60, 30, 30)
# Place test entities
entities = []
positions = [(2, 2), (17, 2), (9, 10)]
colors = [
mcrfpy.Color(255, 100, 100), # Red
mcrfpy.Color(100, 255, 100), # Green
mcrfpy.Color(100, 100, 255) # Blue
]
for i, (x, y) in enumerate(positions):
entity = mcrfpy.Entity(x, y)
entity.sprite_index = 49 + i # '1', '2', '3'
grid.entities.append(entity)
entities.append(entity)
# Mark entity positions
grid.at(x, y).color = colors[i]
return grid, entities
def test_dijkstra(grid, entities):
"""Test Dijkstra pathfinding between all entity pairs"""
results = []
for i in range(len(entities)):
for j in range(len(entities)):
if i != j:
# Compute Dijkstra from entity i
e1 = entities[i]
e2 = entities[j]
grid.compute_dijkstra(int(e1.x), int(e1.y))
# Get distance and path to entity j
distance = grid.get_dijkstra_distance(int(e2.x), int(e2.y))
path = grid.get_dijkstra_path(int(e2.x), int(e2.y))
if path:
results.append(f"Path {i+1}{j+1}: {len(path)} steps, {distance:.1f} units")
# Color one interesting path
if i == 0 and j == 2: # Path from 1 to 3
for x, y in path[1:-1]: # Skip endpoints
if grid.at(x, y).walkable:
grid.at(x, y).color = mcrfpy.Color(200, 250, 220)
else:
results.append(f"Path {i+1}{j+1}: No path found!")
return results
def run_test(runtime):
"""Timer callback to run tests and take screenshot"""
# Run pathfinding tests
results = test_dijkstra(grid, entities)
# Update display with results
y_pos = 380
for result in results:
caption = mcrfpy.Caption(result, 50, y_pos)
caption.fill_color = mcrfpy.Color(200, 200, 200)
ui.append(caption)
y_pos += 20
# Take screenshot
mcrfpy.setTimer("screenshot", lambda rt: take_screenshot(), 500)
def take_screenshot():
"""Take screenshot and exit"""
try:
automation.screenshot("dijkstra_test.png")
print("Screenshot saved: dijkstra_test.png")
except Exception as e:
print(f"Screenshot failed: {e}")
# Exit
sys.exit(0)
# Create test map
print("Creating Dijkstra pathfinding test...")
grid, entities = create_test_map()
# Set up UI
ui = mcrfpy.sceneUI("dijkstra_test")
ui.append(grid)
# Position and scale grid
grid.position = (50, 50)
grid.size = (500, 300)
# Add title
title = mcrfpy.Caption("Dijkstra Pathfinding Test", 200, 10)
title.fill_color = mcrfpy.Color(255, 255, 255)
ui.append(title)
# Add legend
legend = mcrfpy.Caption("Red=Entity1 Green=Entity2 Blue=Entity3 Cyan=Path 1→3", 50, 360)
legend.fill_color = mcrfpy.Color(180, 180, 180)
ui.append(legend)
# Set scene
mcrfpy.setScene("dijkstra_test")
# Run test after scene loads
mcrfpy.setTimer("test", run_test, 100)
print("Running Dijkstra tests...")