Mercurial > nagslang
annotate tools/area_editor.py @ 220:06c52529e2ed
Add placeholder object mode menu
author | Neil Muller <drnlmuller@gmail.com> |
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date | Wed, 04 Sep 2013 16:37:10 +0200 |
parents | 42c565c5ce76 |
children | 4197350b9897 |
rev | line source |
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71
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1 #!/usr/bin/env python |
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2 |
51 | 3 # The basic area editor |
4 # | |
5 # To edit an existing level, use | |
6 # editor levelname | |
7 # | |
8 # To create a new level: | |
9 # | |
10 # editor levelname <xsize> <ysiz> | |
11 # (size specified in pixels | |
12 # | |
13 | |
71
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14 import os |
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15 import sys |
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16 |
51 | 17 import pygame |
18 import pygame.locals as pgl | |
19 | |
152
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20 sys.path.append(os.path.join(os.path.dirname(__file__), '..')) |
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21 |
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22 import pymunk |
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23 |
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24 from albow.root import RootWidget |
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25 from albow.widget import Widget |
198 | 26 from albow.controls import Button, Label, CheckBox |
122
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27 from albow.dialogs import alert |
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28 |
199
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29 from nagslang.options import parse_args |
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30 from nagslang.constants import SCREEN |
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31 from nagslang.level import Level, POLY_COLORS, LINE_COLOR |
199
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32 from nagslang.enemies import Enemy |
51 | 33 |
34 | |
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35 # layout constants |
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36 MENU_BUTTON_HEIGHT = 35 |
115 | 37 MENU_PAD = 6 |
38 MENU_HALF_PAD = MENU_PAD // 2 | |
39 MENU_LEFT = SCREEN[0] + MENU_HALF_PAD | |
40 MENU_WIDTH = 200 - MENU_PAD | |
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41 |
220
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42 BUTTON_RECT = pygame.rect.Rect(0, 0, MENU_WIDTH, MENU_BUTTON_HEIGHT) |
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43 CHECK_RECT = pygame.rect.Rect(0, 0, MENU_BUTTON_HEIGHT // 2, |
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44 MENU_BUTTON_HEIGHT // 2) |
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45 |
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46 |
51 | 47 class EditorLevel(Level): |
48 | |
49 def __init__(self, name, x=800, y=600): | |
50 super(EditorLevel, self).__init__(name) | |
51 self.x = x | |
52 self.y = y | |
53 | |
54 def round_point(self, pos): | |
55 return (10 * (pos[0] // 10), 10 * (pos[1] // 10)) | |
56 | |
57 def point_to_pymunk(self, pos): | |
58 # inverse of point_to_pygame | |
59 # (this is also the same as point_to_pygame, but a additional | |
60 # function for sanity later in pyweek). | |
61 return (pos[0], self.y - pos[1]) | |
62 | |
63 def add_point(self, poly_index, pos): | |
64 self.polygons.setdefault(poly_index, []) | |
65 if not self.polygons[poly_index]: | |
99 | 66 point = self.point_to_pymunk(self.round_point(pos)) |
67 self.polygons[poly_index].append(point) | |
51 | 68 else: |
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69 add_pos = self.fix_poly_angle(poly_index, pos) |
51 | 70 self.polygons[poly_index].append(add_pos) |
71 | |
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72 def _fix_angle(self, point1, pos): |
51 | 73 # We want the line (point1 to pos) to be an angle of |
74 # 0, 45, 90, 135, 180, 225, 270, 305 | |
75 # However, we only need to consider half the circle | |
76 # This is a hack to approximate the right thing | |
77 pos0 = (pos[0], point1[1]) | |
78 pos90 = (point1[0], pos[1]) | |
79 dist = max(abs(point1[0] - pos[0]), abs(point1[1] - pos[1])) | |
80 pos45 = (point1[0] + dist, point1[1] + dist) | |
81 pos135 = (point1[0] + dist, point1[1] - dist) | |
82 pos225 = (point1[0] - dist, point1[1] - dist) | |
83 pos305 = (point1[0] - dist, point1[1] + dist) | |
84 min_dist = 9999999 | |
85 new_pos = point1 | |
86 for cand in [pos0, pos90, pos45, pos135, pos225, pos305]: | |
87 dist = (pos[0] - cand[0]) ** 2 + (pos[1] - cand[1]) ** 2 | |
88 if dist < min_dist: | |
89 new_pos = cand | |
90 min_dist = dist | |
91 return self.point_to_pymunk(new_pos) | |
92 | |
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93 def fix_line_angle(self, start_pos, pos): |
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94 start_pos = self.round_point(start_pos) |
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95 pos = self.round_point(pos) |
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96 return self._fix_angle(start_pos, pos) |
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97 |
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98 def fix_poly_angle(self, index, pos): |
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99 # Last point |
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100 point1 = self.point_to_pygame(self.polygons[index][-1]) |
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101 pos = self.round_point(pos) |
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102 return self._fix_angle(point1, pos) |
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103 |
51 | 104 def delete_point(self, index): |
105 if index in self.polygons and len(self.polygons[index]) > 0: | |
106 self.polygons[index].pop() | |
107 | |
135
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108 def close_poly(self, index): |
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109 """Attempts to close the current polygon. |
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110 |
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111 We allow a small additional step to close the polygon, but |
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112 it's limited as it's a magic point addition""" |
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113 if len(self.polygons[index]) < 2: |
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114 # Too small |
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115 return False |
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116 first = self.polygons[index][0] |
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117 if self.fix_poly_angle(index, self.point_to_pygame(first)) == first: |
135
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118 self.add_point(index, self.point_to_pygame(first)) |
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119 return True |
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120 candidates = [(first[0] + 10 * i, first[1]) for |
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121 i in (-3, -2, -1, 1, 2, 3)] |
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122 candidates.extend([(first[0], first[1] + 10 * i) for |
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123 i in (-3, -2, -1, 1, 2, 3)]) |
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124 candidates.extend([(first[0] + 10 * i, first[1] + 10 * i) for |
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125 i in (-3, -2, -1, 1, 2, 3)]) |
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126 candidates.extend([(first[0] + 10 * i, first[1] - 10 * i) for |
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127 i in (-3, -2, -1, 1, 2, 3)]) |
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128 min_dist = 99999 |
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129 poss = None |
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130 for cand in candidates: |
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131 if self.fix_poly_angle(index, self.point_to_pygame(cand)) == cand: |
135
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132 dist = (first[0] - cand[0]) ** 2 + (first[1] - cand[1]) ** 2 |
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133 if dist < min_dist: |
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134 poss = cand |
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135 if poss is not None: |
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136 self.add_point(index, self.point_to_pygame(poss)) |
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137 self.add_point(index, self.point_to_pygame(first)) |
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138 return True |
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139 return False |
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140 |
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141 def add_line(self, start_pos, end_pos): |
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142 endpoint = self.fix_line_angle(start_pos, end_pos) |
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143 startpoint = self.point_to_pymunk(self.round_point(start_pos)) |
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144 self.lines.append([startpoint, endpoint]) |
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145 |
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146 def draw(self, mouse_pos, mouse_poly, filled, draw_cand_line, start_pos): |
51 | 147 self._draw_background(True) |
148 # Draw polygons as needed for the editor | |
96
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149 if filled: |
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150 self._draw_exterior(True) |
51 | 151 for index, polygon in self.polygons.items(): |
152 color = POLY_COLORS[index] | |
153 if len(polygon) > 1: | |
154 pointlist = [self.point_to_pygame(p) for p in polygon] | |
155 pygame.draw.lines(self._surface, color, False, pointlist, 2) | |
156 if index == mouse_poly and mouse_pos: | |
205
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157 endpoint = self.fix_poly_angle(index, mouse_pos) |
51 | 158 pygame.draw.line(self._surface, color, |
99 | 159 self.point_to_pygame(polygon[-1]), |
160 self.point_to_pygame(endpoint)) | |
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161 for line in self.lines: |
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162 pointlist = [self.point_to_pygame(p) for p in line] |
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163 pygame.draw.lines(self._surface, LINE_COLOR, False, pointlist, 2) |
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164 if draw_cand_line and start_pos and mouse_pos: |
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165 endpoint = self.fix_line_angle(start_pos, mouse_pos) |
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166 pointlist = [self.round_point(start_pos), |
206 | 167 self.point_to_pygame(endpoint)] |
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168 pygame.draw.lines(self._surface, LINE_COLOR, False, pointlist, 1) |
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169 return self._surface.copy() |
51 | 170 |
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171 |
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172 class LevelWidget(Widget): |
51 | 173 |
108
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174 def __init__(self, level): |
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175 super(LevelWidget, self).__init__(pygame.rect.Rect(0, 0, |
109
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176 SCREEN[0], SCREEN[1])) |
51 | 177 self.level = level |
178 self.pos = (0, 0) | |
108
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179 self.filled_mode = False |
51 | 180 self.mouse_pos = None |
108
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181 self.cur_poly = None |
167
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182 self._mouse_drag = False |
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183 self._draw_objects = False |
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184 self._draw_enemies = False |
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185 self._draw_lines = False |
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186 self._start_pos = None |
51 | 187 |
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188 def _level_coordinates(self, pos): |
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189 # Move positions to level values |
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190 if not pos: |
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191 return (0, 0) |
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192 return pos[0] + self.pos[0], pos[1] + self.pos[1] |
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193 |
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194 def _move_view(self, offset): |
51 | 195 new_pos = [self.pos[0] + offset[0], self.pos[1] + offset[1]] |
196 if new_pos[0] < 0: | |
197 new_pos[0] = self.pos[0] | |
198 elif new_pos[0] > self.level.x - SCREEN[0]: | |
199 new_pos[0] = self.pos[0] | |
200 if new_pos[1] < 0: | |
201 new_pos[1] = self.pos[1] | |
202 elif new_pos[1] > self.level.y - SCREEN[1]: | |
203 new_pos[1] = self.pos[1] | |
204 self.pos = tuple(new_pos) | |
205 | |
199
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206 def set_objects(self, value): |
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207 if self._draw_objects != value: |
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208 self._draw_objects = value |
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209 self.invalidate() |
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210 |
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211 def set_enemies(self, value): |
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212 if self._draw_enemies != value: |
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213 self._draw_enemies = value |
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214 self.invalidate() |
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215 |
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216 def draw(self, surface): |
51 | 217 if (self.cur_poly is not None and self.cur_poly in self.level.polygons |
218 and len(self.level.polygons[self.cur_poly])): | |
219 # We have an active polygon | |
220 mouse_pos = self._level_coordinates(self.mouse_pos) | |
205
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221 elif self._draw_lines: |
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222 # Interior wall mode |
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223 mouse_pos = self._level_coordinates(self.mouse_pos) |
51 | 224 else: |
225 mouse_pos = None | |
205
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226 level_surface = level.draw(mouse_pos, self.cur_poly, self.filled_mode, |
206 | 227 self._draw_lines, self._start_pos) |
199
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228 if self._draw_objects: |
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229 for thing in self.level.drawables: |
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230 if not isinstance(thing, Enemy): |
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231 thing.render(level_surface) |
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232 if self._draw_enemies: |
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233 for thing in self.level.drawables: |
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234 if isinstance(thing, Enemy): |
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235 thing.render(level_surface) |
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236 surface_area = pygame.rect.Rect(self.pos, SCREEN) |
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237 surface.blit(level_surface, (0, 0), surface_area) |
51 | 238 |
115 | 239 def change_poly(self, new_poly): |
240 self.cur_poly = new_poly | |
204
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241 self._draw_lines = False |
115 | 242 if self.cur_poly is not None: |
243 self.filled_mode = False | |
244 | |
204
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245 def line_mode(self): |
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246 self.cur_poly = None |
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247 self._draw_lines = True |
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248 self.filled_mode = False |
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249 self._start_pos = None |
204
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250 |
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251 def key_down(self, ev): |
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252 if ev.key == pgl.K_LEFT: |
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253 self._move_view((-10, 0)) |
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254 elif ev.key == pgl.K_RIGHT: |
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255 self._move_view((10, 0)) |
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256 elif ev.key == pgl.K_UP: |
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257 self._move_view((0, -10)) |
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258 elif ev.key == pgl.K_DOWN: |
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259 self._move_view((0, 10)) |
115 | 260 elif ev.key in (pgl.K_1, pgl.K_2, pgl.K_3, pgl.K_4, pgl.K_5, pgl.K_6): |
261 self.change_poly(ev.key - pgl.K_0) | |
108
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262 elif ev.key == pgl.K_0: |
115 | 263 self.change_poly(None) |
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264 elif ev.key == pgl.K_d and self.cur_poly: |
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265 self.level.delete_point(self.cur_poly) |
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266 elif ev.key == pgl.K_f: |
117 | 267 self.set_filled() |
135
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268 elif ev.key == pgl.K_c: |
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269 self.close_poly() |
117 | 270 |
271 def set_filled(self): | |
165
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272 closed, _ = self.level.all_closed() |
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273 if closed: |
117 | 274 self.cur_poly = None |
275 self.filled_mode = True | |
204
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276 self._draw_lines = False |
117 | 277 else: |
165
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278 alert('Not all polygons closed, so not filling') |
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279 |
109
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280 def mouse_move(self, ev): |
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281 old_pos = self.mouse_pos |
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282 self.mouse_pos = ev.pos |
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283 if old_pos != self.mouse_pos and (self.cur_poly or self._draw_lines): |
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284 self.invalidate() |
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285 |
167
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286 def mouse_drag(self, ev): |
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287 if self._mouse_drag: |
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288 old_pos = self.mouse_pos |
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289 self.mouse_pos = ev.pos |
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290 diff = (-self.mouse_pos[0] + old_pos[0], |
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291 -self.mouse_pos[1] + old_pos[1]) |
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292 self._move_view(diff) |
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293 self.invalidate() |
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294 |
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295 def mouse_down(self, ev): |
184
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296 if ev.button == 1: |
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297 if self._draw_lines: |
205
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298 if self._start_pos is None: |
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299 self._start_pos = ev.pos |
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300 else: |
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301 self.level.add_line(self._start_pos, ev.pos) |
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302 self._start_pos = None |
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303 else: |
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304 print "Click: %r" % ( |
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305 self.level.point_to_pymunk( |
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306 self._level_coordinates(ev.pos)),) |
157 | 307 if ev.button == 4: # Scroll up |
308 self._move_view((0, -10)) | |
309 elif ev.button == 5: # Scroll down | |
310 self._move_view((0, 10)) | |
311 elif ev.button == 6: # Scroll left | |
312 self._move_view((-10, 0)) | |
313 elif ev.button == 7: # Scroll right | |
314 self._move_view((10, 0)) | |
167
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315 elif self.cur_poly and ev.button == 1: |
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316 # Add a point |
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317 self.level.add_point(self.cur_poly, |
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318 self._level_coordinates(ev.pos)) |
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319 elif ev.button == 3: |
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320 self._mouse_drag = True |
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321 |
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322 def mouse_up(self, ev): |
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323 if ev.button == 3: |
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324 self._mouse_drag = False |
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325 |
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326 def close_poly(self): |
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327 if self.cur_poly is None: |
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328 return |
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329 if self.level.close_poly(self.cur_poly): |
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330 alert("Successfully closed the polygon") |
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331 self.change_poly(None) |
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332 else: |
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333 alert("Failed to close the polygon") |
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334 |
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335 |
115 | 336 class PolyButton(Button): |
337 """Button for coosing the correct polygon""" | |
338 | |
339 def __init__(self, index, level_widget): | |
340 if index is not None: | |
341 text = "Draw: %s" % index | |
342 else: | |
343 text = 'Exit Draw Mode' | |
344 super(PolyButton, self).__init__(text) | |
345 self.index = index | |
346 self.level_widget = level_widget | |
347 | |
348 def action(self): | |
349 self.level_widget.change_poly(self.index) | |
350 | |
351 | |
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352 class EditorApp(RootWidget): |
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353 |
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354 def __init__(self, level, surface): |
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355 super(EditorApp, self).__init__(surface) |
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356 self.level = level |
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357 self.level_widget = LevelWidget(self.level) |
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358 self.add(self.level_widget) |
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359 |
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360 self._dMenus = {} |
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361 |
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362 self._make_draw_menu() |
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363 self._make_objects_menu() |
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364 |
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365 self._menu_mode = 'drawing' |
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366 self._populate_menu() |
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367 |
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368 def _make_draw_menu(self): |
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369 widgets = [] |
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370 |
115 | 371 # Add poly buttons |
372 y = 15 | |
373 for poly in range(1, 7): | |
374 but = PolyButton(poly, self.level_widget) | |
375 but.rect = pygame.rect.Rect(0, 0, MENU_WIDTH // 2 - MENU_PAD, | |
376 MENU_BUTTON_HEIGHT) | |
377 if poly % 2: | |
378 but.rect.move_ip(MENU_LEFT, y) | |
379 else: | |
380 but.rect.move_ip(MENU_LEFT + MENU_WIDTH // 2 - MENU_HALF_PAD, | |
381 y) | |
382 y += MENU_BUTTON_HEIGHT + MENU_PAD | |
220
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383 widgets.append(but) |
198 | 384 |
115 | 385 end_poly_but = PolyButton(None, self.level_widget) |
220
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386 end_poly_but.rect = BUTTON_RECT.copy() |
115 | 387 end_poly_but.rect.move_ip(MENU_LEFT, y) |
220
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388 widgets.append(end_poly_but) |
115 | 389 y += MENU_BUTTON_HEIGHT + MENU_PAD |
390 | |
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391 draw_line = Button("Draw interior wall", self.level_widget.line_mode) |
220
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392 draw_line.rect = BUTTON_RECT.copy() |
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393 draw_line.rect.move_ip(MENU_LEFT, y) |
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394 widgets.append(draw_line) |
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395 y += MENU_BUTTON_HEIGHT + MENU_PAD |
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396 |
117 | 397 fill_but = Button('Fill exterior', action=self.level_widget.set_filled) |
220
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398 fill_but.rect = BUTTON_RECT.copy() |
117 | 399 fill_but.rect.move_ip(MENU_LEFT, y) |
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400 widgets.append(fill_but) |
117 | 401 y += MENU_BUTTON_HEIGHT + MENU_PAD |
402 | |
116 | 403 save_but = Button('Save Level', action=self.save) |
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404 save_but.rect = BUTTON_RECT.copy() |
116 | 405 save_but.rect.move_ip(MENU_LEFT, y) |
220
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406 widgets.append(save_but) |
116 | 407 y += MENU_BUTTON_HEIGHT + MENU_PAD |
408 | |
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409 close_poly_but = Button('Close Polygon', |
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410 action=self.level_widget.close_poly) |
220
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411 close_poly_but.rect = BUTTON_RECT.copy() |
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412 close_poly_but.rect.move_ip(MENU_LEFT, y) |
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413 widgets.append(close_poly_but) |
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414 y += MENU_BUTTON_HEIGHT + MENU_PAD |
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415 |
198 | 416 white = pygame.color.Color("white") |
417 self.show_objs = CheckBox(fg_color=white) | |
220
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418 self.show_objs.rect = CHECK_RECT.copy() |
198 | 419 self.show_objs.rect.move_ip(MENU_LEFT, y) |
420 label = Label("Show Objects", fg_color=white) | |
421 label.rect.move_ip(MENU_LEFT + MENU_BUTTON_HEIGHT // 2 + MENU_PAD, y) | |
220
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422 widgets.append(self.show_objs) |
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423 widgets.append(label) |
198 | 424 y += label.rect.height + MENU_PAD |
425 | |
426 self.show_enemies = CheckBox(fg_color=white) | |
220
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427 self.show_enemies.rect = CHECK_RECT.copy() |
198 | 428 self.show_enemies.rect.move_ip(MENU_LEFT, y) |
429 label = Label("Show enemy start pos", fg_color=white) | |
430 label.rect.move_ip(MENU_LEFT + MENU_BUTTON_HEIGHT // 2 + MENU_PAD, y) | |
220
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431 widgets.append(self.show_enemies) |
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432 widgets.append(label) |
198 | 433 y += label.rect.height + MENU_PAD |
434 | |
220
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435 switch_but = Button('Switch to Objects', action=self.switch_to_objects) |
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436 switch_but.rect = BUTTON_RECT.copy() |
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437 switch_but.rect.move_ip(MENU_LEFT, y) |
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438 widgets.append(switch_but) |
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439 y += switch_but.rect.height + MENU_PAD |
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440 |
108
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441 quit_but = Button('Quit', action=self.quit) |
220
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442 quit_but.rect = BUTTON_RECT.copy() |
115 | 443 quit_but.rect.move_ip(MENU_LEFT, y) |
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444 widgets.append(quit_but) |
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445 |
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446 self._dMenus['drawing'] = widgets |
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447 |
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448 def _make_objects_menu(self): |
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449 widgets = [] |
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450 |
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451 # Add poly buttons |
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452 y = 15 |
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453 |
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454 save_but = Button('Save Level', action=self.save) |
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455 save_but.rect = BUTTON_RECT.copy() |
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456 save_but.rect.move_ip(MENU_LEFT, y) |
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457 widgets.append(save_but) |
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458 y += MENU_BUTTON_HEIGHT + MENU_PAD |
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459 |
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460 switch_but = Button('Switch to Drawing', action=self.switch_to_draw) |
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461 switch_but.rect = BUTTON_RECT.copy() |
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462 switch_but.rect.move_ip(MENU_LEFT, y) |
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463 widgets.append(switch_but) |
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464 y += switch_but.rect.height + MENU_PAD |
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465 |
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466 quit_but = Button('Quit', action=self.quit) |
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467 quit_but.rect = BUTTON_RECT.copy() |
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468 quit_but.rect.move_ip(MENU_LEFT, y) |
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469 widgets.append(quit_but) |
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470 |
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471 self._dMenus['objects'] = widgets |
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472 |
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473 def key_down(self, ev): |
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474 if ev.key == pgl.K_ESCAPE: |
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475 self.quit() |
116 | 476 elif ev.key == pgl.K_s: |
477 self.save() | |
108
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478 else: |
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479 self.level_widget.key_down(ev) |
51 | 480 |
116 | 481 def save(self): |
122
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482 closed, messages = self.level.all_closed() |
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483 if closed: |
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484 self.level.save() |
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485 # display success |
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486 alert("Level %s saved successfully." % self.level.name) |
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487 else: |
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488 # display errors |
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489 alert("Failed to save level.\n\n%s" % '\n'.join(messages)) |
116 | 490 |
220
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491 def switch_to_draw(self): |
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492 if self._menu_mode != 'drawing': |
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493 self._clear_menu() |
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494 self._menu_mode = 'drawing' |
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495 self._populate_menu() |
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496 |
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497 def switch_to_objects(self): |
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498 if self._menu_mode != 'objects': |
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499 self._clear_menu() |
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500 self._menu_mode = 'objects' |
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501 self._populate_menu() |
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502 |
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503 def _clear_menu(self): |
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504 for widget in self._dMenus[self._menu_mode]: |
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505 self.remove(widget) |
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506 |
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507 def _populate_menu(self): |
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508 self.level_widget.change_poly(None) |
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509 for widget in self._dMenus[self._menu_mode]: |
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510 self.add(widget) |
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511 self.invalidate() |
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512 |
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513 def mouse_move(self, ev): |
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514 self.level_widget.mouse_move(ev) |
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515 |
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516 def draw(self, surface): |
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517 # Update checkbox state |
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518 self.level_widget.set_objects(self.show_objs.value) |
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519 self.level_widget.set_enemies(self.show_enemies.value) |
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520 super(EditorApp, self).draw(surface) |
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521 |
51 | 522 |
523 if __name__ == "__main__": | |
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524 if len(sys.argv) not in [2, 4]: |
51 | 525 print 'Please supply a levelname or levelname and level size' |
526 sys.exit() | |
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527 # Need to ensure we have defaults for rendering |
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528 parse_args([]) |
51 | 529 pygame.display.init() |
530 pygame.font.init() | |
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531 pygame.display.set_mode((SCREEN[0] + MENU_WIDTH, SCREEN[1]), |
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532 pgl.SWSURFACE) |
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533 if len(sys.argv) == 2: |
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534 level = EditorLevel(sys.argv[1]) |
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535 level.load(pymunk.Space()) |
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536 elif len(sys.argv) == 4: |
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537 level = EditorLevel(sys.argv[1], int(sys.argv[2]), int(sys.argv[3])) |
51 | 538 pygame.display.set_caption('Nagslang Area Editor') |
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539 pygame.key.set_repeat(200, 100) |
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540 app = EditorApp(level, pygame.display.get_surface()) |
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541 app.run() |