import os from math import floor from typing import Optional import platformdirs import pygame from src.image_handler import ImageHandler class Editor: WIDTH: int = 800 HEIGHT: int = 600 MAP_SIZE: int = 1024 MAPS_DIR: str = os.path.join(platformdirs.user_cache_dir(appname="lycacraft-paths", appauthor="Lycacraft"), "maps") ZOOMS: tuple[float] = (0.25, 0.5, 1, 2, 4) CROSSHAIR_SIZE: int = 10 def __init__(self): pygame.init() self.width: int = self.WIDTH self.height: int = self.HEIGHT self.win: pygame.Surface = pygame.display.set_mode([self.width, self.height], pygame.RESIZABLE) pygame.display.set_caption("Lycacraft Map Editor") self.center: list[int] = [0, 0] self.zoom_i: int = 2 self.zoom: float = self.ZOOMS[self.zoom_i] self.running: bool = False self.image_handler: ImageHandler = ImageHandler(self.MAPS_DIR, self.MAP_SIZE) self.clock: pygame.time.Clock = pygame.time.Clock() self.drag_pos: Optional[tuple[int, int]] = None self.font: pygame.font.Font = pygame.font.SysFont("Ubuntu", 20) self.zooms_texts: list[pygame.Surface] = list(map( lambda z: self.font.render(str(z), True, (255, 255, 255)), self.ZOOMS )) def mainloop(self) -> None: self.running = True while self.running: pygame.display.set_caption(f"Lycacraft Map Editor - {self.clock.get_fps():.2f}fps") self.process_events() self.render() self.clock.tick(30) def process_events(self) -> None: events = pygame.event.get() for event in events: if event.type == pygame.QUIT: self.running = False elif event.type == pygame.WINDOWRESIZED: self.width = event.x self.height = event.y elif event.type == pygame.KEYDOWN: if event.key == pygame.K_ESCAPE: self.running = False elif event.key == pygame.K_PAGEUP: self.zoom_in() elif event.key == pygame.K_PAGEDOWN: self.zoom_out() elif event.type == pygame.MOUSEBUTTONDOWN: if event.button == 2: self.drag_pos = event.pos elif event.type == pygame.MOUSEBUTTONUP: if event.button == 2: self.drag_pos = None keys = pygame.key.get_pressed() if keys[pygame.K_LEFT]: self.center[0] -= 4 / self.zoom if keys[pygame.K_RIGHT]: self.center[0] += 4 / self.zoom if keys[pygame.K_UP]: self.center[1] -= 4 / self.zoom if keys[pygame.K_DOWN]: self.center[1] += 4 / self.zoom mbtns = pygame.mouse.get_pressed() mpos = pygame.mouse.get_pos() if mbtns[1]: dx = mpos[0] - self.drag_pos[0] dy = mpos[1] - self.drag_pos[1] self.center[0] -= dx / self.zoom self.center[1] -= dy / self.zoom self.drag_pos = mpos def render(self) -> None: self.win.fill((0, 0, 0)) off_x = (self.center[0] * self.zoom) % self.MAP_SIZE off_y = (self.center[1] * self.zoom) % self.MAP_SIZE w2 = self.width / 2 h2 = self.height / 2 # In game top-left / bottom-right corners x0 = floor(self.center[0] - w2 / self.zoom) y0 = floor(self.center[1] - h2 / self.zoom) x1 = floor(self.center[0] + w2 / self.zoom) y1 = floor(self.center[1] + h2 / self.zoom) # Top-left / bottom-right maps mx0 = floor(x0 * self.zoom / self.MAP_SIZE) my0 = floor(y0 * self.zoom / self.MAP_SIZE) mx1 = floor(x1 * self.zoom / self.MAP_SIZE) my1 = floor(y1 * self.zoom / self.MAP_SIZE) h_maps = mx1 - mx0 + 1 v_maps = my1 - my0 + 1 cx = floor(self.center[0] * self.zoom / self.MAP_SIZE) cy = floor(self.center[1] * self.zoom / self.MAP_SIZE) ox = w2 + (mx0 - cx) * self.MAP_SIZE - off_x oy = h2 + (my0 - cy) * self.MAP_SIZE - off_y for y in range(v_maps): for x in range(h_maps): map_image = self.image_handler.get_for_pos(mx0 + x, my0 + y, self.zoom) if map_image is None: continue self.win.blit(map_image, [ ox + x * self.MAP_SIZE, oy + y * self.MAP_SIZE ]) pygame.draw.line(self.win, (150, 150, 150), [w2 - self.CROSSHAIR_SIZE, h2], [w2 + self.CROSSHAIR_SIZE, h2]) pygame.draw.line(self.win, (150, 150, 150), [w2, h2 - self.CROSSHAIR_SIZE], [w2, h2 + self.CROSSHAIR_SIZE]) self.render_zoom_slider() mpos = pygame.mouse.get_pos() world_x, world_z = self.screen_to_world(*mpos) mouse_txt = self.font.render(f"x: {world_x} / z: {world_z}", True, (255, 255, 255)) pygame.draw.rect(self.win, (80, 80, 80), [0, 0, mouse_txt.get_width() + 10, mouse_txt.get_height() + 10]) self.win.blit(mouse_txt, [5, 5]) pygame.display.flip() def render_zoom_slider(self) -> None: zoom_height = self.height * 0.2 zoom_h_margin = self.width * 0.02 zoom_v_margin = self.height * 0.05 zoom_x = self.width - zoom_h_margin zoom_y = self.height - zoom_v_margin - zoom_height zoom_space = zoom_height / 4 zoom_r = zoom_space / 4 zoom_width = max(s.get_width() for s in self.zooms_texts) + 2 * zoom_r + 5 pygame.draw.rect(self.win, (80, 80, 80), [ zoom_x + zoom_r - zoom_width - 5, zoom_y - zoom_r - 5, zoom_width + 10, zoom_height + 2 * zoom_r + 10 ]) pygame.draw.line(self.win, (255, 255, 255), [zoom_x, zoom_y], [zoom_x, zoom_y + zoom_height]) for i, txt in enumerate(self.zooms_texts): y = zoom_y + zoom_height - i * zoom_space col = (255, 0, 0) if i == self.zoom_i else (255, 255, 255) pygame.draw.circle(self.win, col, [zoom_x, y], zoom_r) self.win.blit(txt, [zoom_x - txt.get_width() - zoom_r - 5, y - txt.get_height() / 2]) def set_zoom(self, zoom_i: int) -> None: self.zoom_i = max(0, min(len(self.ZOOMS) - 1, zoom_i)) self.zoom = self.ZOOMS[self.zoom_i] def zoom_in(self) -> None: self.set_zoom(self.zoom_i + 1) def zoom_out(self) -> None: self.set_zoom(self.zoom_i - 1) def screen_to_world(self, x: int, y: int) -> tuple[int, int]: w2 = self.width / 2 h2 = self.height / 2 world_x = floor((x - w2) / self.zoom + self.center[0]) world_z = floor((y - h2) / self.zoom + self.center[1]) return int(world_x), int(world_z)