Mercurial > nagslang
annotate tools/area_editor.py @ 57:1261c0731385
Use resource get_file
| author | Neil Muller <drnlmuller@gmail.com> |
|---|---|
| date | Sun, 01 Sep 2013 18:55:19 +0200 |
| parents | 26d7bb8c09c8 |
| children | c449a3507a6b |
| rev | line source |
|---|---|
| 51 | 1 # The basic area editor |
| 2 # | |
| 3 # To edit an existing level, use | |
| 4 # editor levelname | |
| 5 # | |
| 6 # To create a new level: | |
| 7 # | |
| 8 # editor levelname <xsize> <ysiz> | |
| 9 # (size specified in pixels | |
| 10 # | |
| 11 | |
| 12 import pygame | |
| 13 import pygame.locals as pgl | |
| 14 | |
| 15 from nagslang.resources import resources | |
| 16 from nagslang.constants import SCREEN, FPS | |
| 17 from nagslang.level import Level, POLY_COLORS | |
| 18 | |
| 19 import sys | |
| 20 | |
| 21 | |
| 22 class EditorLevel(Level): | |
| 23 | |
| 24 def __init__(self, name, x=800, y=600): | |
| 25 super(EditorLevel, self).__init__(name) | |
| 26 self.x = x | |
| 27 self.y = y | |
| 28 | |
| 29 def round_point(self, pos): | |
| 30 return (10 * (pos[0] // 10), 10 * (pos[1] // 10)) | |
| 31 | |
| 32 def point_to_pymunk(self, pos): | |
| 33 # inverse of point_to_pygame | |
| 34 # (this is also the same as point_to_pygame, but a additional | |
| 35 # function for sanity later in pyweek). | |
| 36 return (pos[0], self.y - pos[1]) | |
| 37 | |
| 38 def add_point(self, poly_index, pos): | |
| 39 self.polygons.setdefault(poly_index, []) | |
| 40 if not self.polygons[poly_index]: | |
| 41 self.polygons[poly_index].append( | |
| 42 self.point_to_pymunk(self.round_point(pos))) | |
| 43 else: | |
| 44 add_pos = self.fix_angle(poly_index, pos) | |
| 45 self.polygons[poly_index].append(add_pos) | |
| 46 | |
| 47 def fix_angle(self, index, pos): | |
| 48 # Last point | |
| 49 point1 = self.point_to_pygame(self.polygons[index][-1]) | |
| 50 pos = self.round_point(pos) | |
| 51 # We want the line (point1 to pos) to be an angle of | |
| 52 # 0, 45, 90, 135, 180, 225, 270, 305 | |
| 53 # However, we only need to consider half the circle | |
| 54 # This is a hack to approximate the right thing | |
| 55 pos0 = (pos[0], point1[1]) | |
| 56 pos90 = (point1[0], pos[1]) | |
| 57 dist = max(abs(point1[0] - pos[0]), abs(point1[1] - pos[1])) | |
| 58 pos45 = (point1[0] + dist, point1[1] + dist) | |
| 59 pos135 = (point1[0] + dist, point1[1] - dist) | |
| 60 pos225 = (point1[0] - dist, point1[1] - dist) | |
| 61 pos305 = (point1[0] - dist, point1[1] + dist) | |
| 62 min_dist = 9999999 | |
| 63 new_pos = point1 | |
| 64 for cand in [pos0, pos90, pos45, pos135, pos225, pos305]: | |
| 65 dist = (pos[0] - cand[0]) ** 2 + (pos[1] - cand[1]) ** 2 | |
| 66 if dist < min_dist: | |
| 67 new_pos = cand | |
| 68 min_dist = dist | |
| 69 return self.point_to_pymunk(new_pos) | |
| 70 | |
| 71 def delete_point(self, index): | |
| 72 if index in self.polygons and len(self.polygons[index]) > 0: | |
| 73 self.polygons[index].pop() | |
| 74 | |
| 75 def draw(self, surface, topleft, mouse_pos, mouse_poly): | |
| 76 self._draw_background(True) | |
| 77 # Draw polygons as needed for the editor | |
| 78 for index, polygon in self.polygons.items(): | |
| 79 color = POLY_COLORS[index] | |
| 80 if len(polygon) > 1: | |
| 81 pointlist = [self.point_to_pygame(p) for p in polygon] | |
| 82 pygame.draw.lines(self._surface, color, False, pointlist, 2) | |
| 83 if index == mouse_poly and mouse_pos: | |
| 84 endpoint = self.fix_angle(index, mouse_pos) | |
| 85 pygame.draw.line(self._surface, color, | |
| 86 self.point_to_pygame(polygon[-1]), | |
| 87 self.point_to_pygame(endpoint)) | |
| 88 surface_area = pygame.rect.Rect(topleft, SCREEN) | |
| 89 surface.blit(self._surface, (0, 0), surface_area) | |
| 90 | |
| 91 def save(self): | |
|
55
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
92 closed = True |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
93 for poly in self.polygons.values(): |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
94 if len(poly) == 0: |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
95 # We ignore empty polygons |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
96 continue |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
97 elif len(poly) == 1: |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
98 closed = False |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
99 print "\033[31mError: polygon too small\033[0m" |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
100 elif poly[-1] != poly[0]: |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
101 closed = False |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
102 print "\033[31mError: polygon not closed\033[0m" |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
103 if not closed: |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
104 print 'Not saving the level' |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
105 return |
| 57 | 106 with resources.get_file(self.name, mode='w') as f: |
| 51 | 107 f.write('X-Size: %s\n' % self.x) |
| 108 f.write('Y-Size: %s\n' % self.y) | |
| 109 f.write('Base tile: %s\n' % self.basetile) | |
| 110 for i, poly in self.polygons.items(): | |
|
55
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
111 if len(poly) == 0: |
|
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
112 continue |
| 51 | 113 f.write('Polygon %d : %d\n' % (i, len(poly))) |
| 114 for point in poly: | |
| 115 f.write('Point: %d %d\n' % point) | |
|
55
26d7bb8c09c8
Only save levels if the loops are closed
Neil Muller <drnlmuller@gmail.com>
parents:
51
diff
changeset
|
116 print 'level %s saved' % self.name |
| 51 | 117 |
| 118 | |
| 119 class Editor(object): | |
| 120 | |
| 121 def __init__(self, level, surface): | |
| 122 self.level = level | |
| 123 self.surface = surface | |
| 124 self.pos = (0, 0) | |
| 125 self.cur_poly = None | |
| 126 self.mouse_pos = None | |
| 127 | |
| 128 def move_view(self, offset): | |
| 129 new_pos = [self.pos[0] + offset[0], self.pos[1] + offset[1]] | |
| 130 if new_pos[0] < 0: | |
| 131 new_pos[0] = self.pos[0] | |
| 132 elif new_pos[0] > self.level.x - SCREEN[0]: | |
| 133 new_pos[0] = self.pos[0] | |
| 134 if new_pos[1] < 0: | |
| 135 new_pos[1] = self.pos[1] | |
| 136 elif new_pos[1] > self.level.y - SCREEN[1]: | |
| 137 new_pos[1] = self.pos[1] | |
| 138 self.pos = tuple(new_pos) | |
| 139 | |
| 140 def draw(self): | |
| 141 if (self.cur_poly is not None and self.cur_poly in self.level.polygons | |
| 142 and len(self.level.polygons[self.cur_poly])): | |
| 143 # We have an active polygon | |
| 144 mouse_pos = self._level_coordinates(self.mouse_pos) | |
| 145 else: | |
| 146 mouse_pos = None | |
| 147 self.level.draw(self.surface, self.pos, mouse_pos, | |
| 148 self.cur_poly) | |
| 149 | |
| 150 def _level_coordinates(self, pos): | |
| 151 # Move positions to level values | |
| 152 if not pos: | |
| 153 return (0, 0) | |
| 154 return pos[0] + self.pos[0], pos[1] + self.pos[1] | |
| 155 | |
| 156 def run(self): | |
| 157 pygame.key.set_repeat(100, 50) | |
| 158 running = True | |
| 159 clock = pygame.time.Clock() | |
| 160 while running: | |
| 161 for ev in pygame.event.get(): | |
| 162 if ev.type == pgl.QUIT: | |
| 163 running = False | |
| 164 elif ev.type == pgl.KEYDOWN: | |
| 165 if ev.key == pgl.K_ESCAPE: | |
| 166 running = False | |
| 167 elif ev.key == pgl.K_LEFT: | |
| 168 self.move_view((-10, 0)) | |
| 169 elif ev.key == pgl.K_RIGHT: | |
| 170 self.move_view((10, 0)) | |
| 171 elif ev.key == pgl.K_UP: | |
| 172 self.move_view((0, -10)) | |
| 173 elif ev.key == pgl.K_DOWN: | |
| 174 self.move_view((0, 10)) | |
| 175 if ev.key == pgl.K_1: | |
| 176 self.cur_poly = 1 | |
| 177 if ev.key == pgl.K_2: | |
| 178 self.cur_poly = 2 | |
| 179 if ev.key == pgl.K_3: | |
| 180 self.cur_poly = 3 | |
| 181 if ev.key == pgl.K_4: | |
| 182 self.cur_poly = 4 | |
| 183 if ev.key == pgl.K_5: | |
| 184 self.cur_poly = 5 | |
| 185 if ev.key == pgl.K_6: | |
| 186 self.cur_poly = 6 | |
| 187 if ev.key == pgl.K_0: | |
| 188 self.cur_poly = None | |
| 189 if ev.key == pgl.K_d and self.cur_poly: | |
| 190 self.level.delete_point(self.cur_poly) | |
| 191 if ev.key == pgl.K_s: | |
| 192 level.save() | |
| 193 elif ev.type == pgl.MOUSEBUTTONDOWN and self.cur_poly: | |
| 194 # Add a point | |
| 195 self.level.add_point(self.cur_poly, | |
| 196 self._level_coordinates(ev.pos)) | |
| 197 elif ev.type == pgl.MOUSEMOTION: | |
| 198 self.mouse_pos = ev.pos | |
| 199 self.draw() | |
| 200 pygame.display.flip() | |
| 201 clock.tick(FPS) | |
| 202 | |
| 203 | |
| 204 if __name__ == "__main__": | |
| 205 if len(sys.argv) == 2: | |
| 206 level = EditorLevel(sys.argv[1]) | |
| 207 level.load() | |
| 208 elif len(sys.argv) == 4: | |
| 209 level = EditorLevel(sys.argv[1], int(sys.argv[2]), int(sys.argv[3])) | |
| 210 else: | |
| 211 print 'Please supply a levelname or levelname and level size' | |
| 212 sys.exit() | |
| 213 pygame.display.init() | |
| 214 pygame.font.init() | |
| 215 pygame.display.set_mode(SCREEN, pgl.SWSURFACE) | |
| 216 pygame.display.set_caption('Nagslang Area Editor') | |
| 217 editor = Editor(level, pygame.display.get_surface()) | |
| 218 editor.run() |