From: Christian Heller Date: Tue, 17 Nov 2020 21:08:31 +0000 (+0100) Subject: Shrink FOV map to radius. X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/blog?a=commitdiff_plain;h=3795deac19be4816d54829ed2e728e78f57f86de;p=plomrogue2 Shrink FOV map to radius. --- diff --git a/plomrogue/commands.py b/plomrogue/commands.py index 643988e..c52dd4f 100644 --- a/plomrogue/commands.py +++ b/plomrogue/commands.py @@ -39,35 +39,42 @@ def cmd_ALL(game, msg, connection_id): lowered_msg += c return lowered_msg + def dijkstra(speaker): + n_max = 255 + + map_size = game.map.size_i + dijkstra_map = [n_max for i in range(game.map.size_i)] + dijkstra_map[game.map.get_position_index(speaker.position)] = 0 + + shrunk = True + while shrunk: + shrunk = False + for i in range(map_size): + if game.map.terrain[i] == 'X': + continue + neighbors = game.map_geometry.get_neighbors_i(i) + for direction in [d for d in neighbors if neighbors[d]]: + j = neighbors[direction] + if dijkstra_map[j] < dijkstra_map[i] - 1: + dijkstra_map[i] = dijkstra_map[j] + 1 + shrunk = True + #print('DEBUG') + #line_to_print = [] + #x = 0 + #for n in dijkstra_map: + # line_to_print += ['%3s' % n] + # x += 1 + # if x >= game.map.size.x: + # x = 0 + # print(' '.join(line_to_print)) + # line_to_print = [] + return dijkstra_map + import random if not connection_id in game.sessions: raise GameError('need to be logged in for this') speaker = game.get_thing(game.sessions[connection_id]) - n_max = 255 - map_size = game.map.size_i - dijkstra_map = [n_max for i in range(game.map.size_i)] - dijkstra_map[game.map.get_position_index(speaker.position)] = 0 - shrunk = True - while shrunk: - shrunk = False - for i in range(map_size): - if game.map.terrain[i] == 'X': - continue - neighbors = game.map_geometry.get_neighbors_i(i) - for direction in [d for d in neighbors if neighbors[d]]: - j = neighbors[direction] - if dijkstra_map[j] < dijkstra_map[i] - 1: - dijkstra_map[i] = dijkstra_map[j] + 1 - shrunk = True - #print('DEBUG') - #line_to_print = [] - #x = 0 - #for n in dijkstra_map: - # line_to_print += ['%3s' % n] - # x += 1 - # if x >= game.map.size.x: - # x = 0 - # print(' '.join(line_to_print)) + dijkstra_map = dijkstra(speaker) for c_id in game.sessions: listener = game.get_thing(game.sessions[c_id]) listener_vol = dijkstra_map[game.map.get_position_index(listener.position)] @@ -139,29 +146,31 @@ cmd_TURN.argtypes = 'int:nonneg' def cmd_ANNOTATE(game, yx, msg, pw, connection_id): player = game.get_thing(game.sessions[connection_id]) - if player.fov_stencil[yx] != '.': + corrected_yx = yx + player.fov_stencil.offset + if not player.fov_test(corrected_yx): raise GameError('cannot annotate tile outside field of view') - if not game.can_do_tile_with_pw(yx, pw): + if not game.can_do_tile_with_pw(corrected_yx, pw): raise GameError('wrong password for tile') if msg == ' ': - if yx in game.annotations: - del game.annotations[yx] + if corrected_yx in game.annotations: + del game.annotations[corrected_yx] else: - game.annotations[yx] = msg + game.annotations[corrected_yx] = msg game.changed = True cmd_ANNOTATE.argtypes = 'yx_tuple:nonneg string string' def cmd_PORTAL(game, yx, msg, pw, connection_id): player = game.get_thing(game.sessions[connection_id]) - if player.fov_stencil[yx] != '.': + corrected_yx = yx + player.fov_stencil.offset + if not player.fov_test(corrected_yx): raise GameError('cannot edit portal on tile outside field of view') - if not game.can_do_tile_with_pw(yx, pw): + if not game.can_do_tile_with_pw(corrected_yx, pw): raise GameError('wrong password for tile') if msg == ' ': - if yx in game.portals: - del game.portals[yx] + if corrected_yx in game.portals: + del game.portals[corrected_yx] else: - game.portals[yx] = msg + game.portals[corrected_yx] = msg game.changed = True cmd_PORTAL.argtypes = 'yx_tuple:nonneg string string' @@ -177,11 +186,12 @@ cmd_GOD_PORTAL.argtypes = 'yx_tuple:nonneg string' def cmd_GET_ANNOTATION(game, yx, connection_id): player = game.get_thing(game.sessions[connection_id]) + corrected_yx = yx + player.fov_stencil.offset annotation = '(unknown)'; - if player.fov_stencil[yx] == '.': + if player.fov_test(corrected_yx): annotation = '(none)'; - if yx in game.annotations: - annotation = game.annotations[yx] + if corrected_yx in game.annotations: + annotation = game.annotations[corrected_yx] game.io.send('ANNOTATION %s %s' % (yx, quote(annotation))) cmd_GET_ANNOTATION.argtypes = 'yx_tuple:nonneg' diff --git a/plomrogue/game.py b/plomrogue/game.py index 7eaa28b..38a607e 100755 --- a/plomrogue/game.py +++ b/plomrogue/game.py @@ -113,21 +113,23 @@ class Game(GameBase): visible_terrain = player.fov_stencil_map(self.map) self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id) self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(), - self.map_geometry.size, + player.fov_stencil.size, quote(visible_terrain)), c_id) visible_control = player.fov_stencil_map(self.map_control) self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id) - for t in [t for t in self.things - if player.fov_stencil[t.position] == '.']: - self.io.send('THING %s %s %s' % (t.position, t.type_, t.id_), c_id) + for t in [t for t in self.things if player.fov_test(t.position)]: + corrected_yx = t.position - player.fov_stencil.offset + self.io.send('THING %s %s %s' % (corrected_yx, t.type_, t.id_), + c_id) if hasattr(t, 'name'): self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id) if hasattr(t, 'player_char'): self.io.send('THING_CHAR %s %s' % (t.id_, quote(t.player_char)), c_id) - for yx in [yx for yx in self.portals - if player.fov_stencil[yx] == '.']: - self.io.send('PORTAL %s %s' % (yx, quote(self.portals[yx])), c_id) + for yx in [yx for yx in self.portals if player.fov_test(yx)]: + corrected_yx = yx - player.fov_stencil.offset + self.io.send('PORTAL %s %s' % (corrected_yx, + quote(self.portals[yx])), c_id) self.io.send('GAME_STATE_COMPLETE') def run_tick(self): diff --git a/plomrogue/mapping.py b/plomrogue/mapping.py index 01c10e8..9fecffb 100644 --- a/plomrogue/mapping.py +++ b/plomrogue/mapping.py @@ -141,6 +141,12 @@ class Map(): for x in range(self.size.x): yield YX(y, x) + # TODO: use this for more refactoring + def inside(self, yx): + if yx.y < 0 or yx.x < 0 or yx.y >= self.size.y or yx.x >= self.size.x: + return False + return True + @property def size_i(self): return self.size.y * self.size.x @@ -167,21 +173,30 @@ class Map(): class FovMap(Map): - # FIXME: player visibility asymmetrical (A can see B when B can't see A) + # TODO: player visibility asymmetrical (A can see B when B can't see A): + # does this make sense, or not? - def __init__(self, source_map, center): + def __init__(self, source_map, source_center): self.source_map = source_map - self.size = self.source_map.size - self.fov_radius = 12 # (self.size.y / 2) - 0.5 - self.start_indented = True #source_map.start_indented - self.terrain = '?' * self.size_i - self.center = center + self.fov_radius = 12 + self.set_size_offset_center(source_center) + self.terrain = '?' * self.size.y * self.size.x self[self.center] = '.' - self.shadow_cones = [] self.geometry = self.geometry_class(self.size) + self[self.center] = '.' + self.shadow_cones = [] self.circle_out(self.center, self.shadow_process) - def shadow_process(self, yx, distance_to_center, dir_i, dir_progress): + def throws_shadow(self, source_yx): + return self.source_map[source_yx] == 'X' + + def source_yx(self, yx): + source_yx = yx + self.offset + if not self.source_map.inside(source_yx): + return False + return source_yx + + def shadow_process(self, yx, source_yx, distance_to_center, dir_i, dir_progress): # Possible optimization: If no shadow_cones yet and self[yx] == '.', # skip all. CIRCLE = 360 # Since we'll float anyways, number is actually arbitrary. @@ -221,7 +236,7 @@ class FovMap(Map): if in_shadow_cone(cone): return self[yx] = '.' - if self.source_map[yx] == 'X': + if self.throws_shadow(source_yx): unmerged = True while merge_cone(cone): unmerged = False @@ -242,13 +257,9 @@ class FovMap(Map): eval_cone([left_arm, right_arm]) def basic_circle_out_move(self, pos, direction): - """Move position pos into direction. Return whether still in map.""" + #"""Move position pos into direction. Return whether still in map.""" mover = getattr(self.geometry, 'move_' + direction) - pos = mover(pos) #, self.start_indented) - if pos.y < 0 or pos.x < 0 or \ - pos.y >= self.size.y or pos.x >= self.size.x: - return pos, False - return pos, True + return mover(pos) def circle_out(self, yx, f): # Optimization potential: Precalculate movement positions. (How to check @@ -260,18 +271,15 @@ class FovMap(Map): circle_in_map = True distance = 1 yx = YX(yx.y, yx.x) - while circle_in_map: - if distance > self.fov_radius: - break - circle_in_map = False - yx, _ = self.basic_circle_out_move(yx, 'RIGHT') + while distance <= self.fov_radius: + yx = self.basic_circle_out_move(yx, 'RIGHT') for dir_i in range(len(self.circle_out_directions)): for dir_progress in range(distance): direction = self.circle_out_directions[dir_i] - yx, test = self.circle_out_move(yx, direction) - if test: - f(yx, distance, dir_i, dir_progress) - circle_in_map = True + yx = self.circle_out_move(yx, direction) + source_yx = self.source_yx(yx) + if source_yx: + f(yx, source_yx, distance, dir_i, dir_progress) distance += 1 @@ -281,6 +289,14 @@ class FovMapHex(FovMap): 'UPRIGHT', 'RIGHT', 'DOWNRIGHT') geometry_class = MapGeometryHex + def set_size_offset_center(self, source_center): + indent = 1 if (source_center.y % 2) else 0 + self.size = YX(2 * self.fov_radius + 1 + indent, + 2 * self.fov_radius + 1) + self.offset = YX(source_center.y - self.fov_radius - indent, + source_center.x - self.fov_radius) + self.center = YX(self.fov_radius + indent, self.fov_radius) + def circle_out_move(self, yx, direction): return self.basic_circle_out_move(yx, direction) @@ -291,6 +307,12 @@ class FovMapSquare(FovMap): ('UP', 'RIGHT'), ('RIGHT', 'DOWN')) geometry_class = MapGeometrySquare + def set_size_offset_center(self, source_center): + self.size = YX(2 * self.fov_radius + 1, 2 * self.fov_radius + 1) + self.offset = YX(source_center.y - self.fov_radius, + source_center.x - self.fov_radius) + self.center = YX(self.fov_radius, self.fov_radius) + def circle_out_move(self, yx, direction): - yx, _ = self.basic_circle_out_move(yx, direction[0]) + yx = self.basic_circle_out_move(yx, direction[0]) return self.basic_circle_out_move(yx, direction[1]) diff --git a/plomrogue/things.py b/plomrogue/things.py index 0a06601..da5cf77 100644 --- a/plomrogue/things.py +++ b/plomrogue/things.py @@ -97,11 +97,19 @@ class ThingAnimate(Thing): self._fov = fov_map_class(self.game.map, self.position) return self._fov + def fov_test(self, yx): + test_position = yx - self.fov_stencil.offset + if self.fov_stencil.inside(test_position): + if self.fov_stencil[test_position] == '.': + return True + return False + def fov_stencil_map(self, map): visible_terrain = '' - for i in range(self.fov_stencil.size_i): - if self.fov_stencil.terrain[i] == '.': - visible_terrain += map.terrain[i] + for yx in self.fov_stencil: + if self.fov_stencil[yx] == '.': + corrected_yx = yx + self.fov_stencil.offset + visible_terrain += map[corrected_yx] else: visible_terrain += ' ' return visible_terrain