Mercurial > nagslang

annotate tools/area_editor.py @ 204:687459429550

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Display interior walls and start working towards drawing them
author Neil Muller <drnlmuller@gmail.com>
date Tue, 03 Sep 2013 23:14:48 +0200
parents c291fd4b49bf
children 51f979ddddbb
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rev   line source
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1 #!/usr/bin/env python
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2
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3 # The basic area editor
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4 #
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5 # To edit an existing level, use
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6 # editor levelname
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7 #
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8 # To create a new level:
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9 #
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10 # editor levelname <xsize> <ysiz>
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11 # (size specified in pixels
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12 #
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13
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14 import os
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15 import sys
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16
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17 import pygame
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18 import pygame.locals as pgl
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19
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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
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26 from albow.controls import Button, Label, CheckBox
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27 from albow.dialogs import alert
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28
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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
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32 from nagslang.enemies import Enemy
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34
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35 # layout constants
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36 MENU_BUTTON_HEIGHT = 35
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37 MENU_PAD = 6
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38 MENU_HALF_PAD = MENU_PAD // 2
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39 MENU_LEFT = SCREEN[0] + MENU_HALF_PAD
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40 MENU_WIDTH = 200 - MENU_PAD
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42
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43 class EditorLevel(Level):
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44
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45 def __init__(self, name, x=800, y=600):
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46 super(EditorLevel, self).__init__(name)
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47 self.x = x
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48 self.y = y
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49
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50 def round_point(self, pos):
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51 return (10 * (pos[0] // 10), 10 * (pos[1] // 10))
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52
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53 def point_to_pymunk(self, pos):
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54 # inverse of point_to_pygame
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55 # (this is also the same as point_to_pygame, but a additional
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56 # function for sanity later in pyweek).
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57 return (pos[0], self.y - pos[1])
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58
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59 def add_point(self, poly_index, pos):
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60 self.polygons.setdefault(poly_index, [])
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61 if not self.polygons[poly_index]:
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62 point = self.point_to_pymunk(self.round_point(pos))
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63 self.polygons[poly_index].append(point)
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64 else:
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65 add_pos = self.fix_angle(poly_index, pos)
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66 self.polygons[poly_index].append(add_pos)
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67
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68 def fix_angle(self, index, pos):
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69 # Last point
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70 point1 = self.point_to_pygame(self.polygons[index][-1])
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71 pos = self.round_point(pos)
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72 # We want the line (point1 to pos) to be an angle of
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73 # 0, 45, 90, 135, 180, 225, 270, 305
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74 # However, we only need to consider half the circle
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75 # This is a hack to approximate the right thing
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76 pos0 = (pos[0], point1[1])
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77 pos90 = (point1[0], pos[1])
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78 dist = max(abs(point1[0] - pos[0]), abs(point1[1] - pos[1]))
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79 pos45 = (point1[0] + dist, point1[1] + dist)
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80 pos135 = (point1[0] + dist, point1[1] - dist)
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81 pos225 = (point1[0] - dist, point1[1] - dist)
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82 pos305 = (point1[0] - dist, point1[1] + dist)
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83 min_dist = 9999999
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84 new_pos = point1
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85 for cand in [pos0, pos90, pos45, pos135, pos225, pos305]:
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86 dist = (pos[0] - cand[0]) ** 2 + (pos[1] - cand[1]) ** 2
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87 if dist < min_dist:
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88 new_pos = cand
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89 min_dist = dist
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90 return self.point_to_pymunk(new_pos)
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91
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92 def delete_point(self, index):
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93 if index in self.polygons and len(self.polygons[index]) > 0:
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94 self.polygons[index].pop()
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95
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96 def close_poly(self, index):
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97 """Attempts to close the current polygon.
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98
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99 We allow a small additional step to close the polygon, but
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100 it's limited as it's a magic point addition"""
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101 if len(self.polygons[index]) < 2:
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102 # Too small
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103 return False
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104 first = self.polygons[index][0]
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105 if self.fix_angle(index, self.point_to_pygame(first)) == first:
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106 self.add_point(index, self.point_to_pygame(first))
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107 return True
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108 candidates = [(first[0] + 10 * i, first[1]) for
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109 i in (-3, -2, -1, 1, 2, 3)]
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110 candidates.extend([(first[0], first[1] + 10 * i) for
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111 i in (-3, -2, -1, 1, 2, 3)])
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112 candidates.extend([(first[0] + 10 * i, first[1] + 10 * i) for
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113 i in (-3, -2, -1, 1, 2, 3)])
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114 candidates.extend([(first[0] + 10 * i, first[1] - 10 * i) for
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115 i in (-3, -2, -1, 1, 2, 3)])
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116 min_dist = 99999
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117 poss = None
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118 for cand in candidates:
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119 if self.fix_angle(index, self.point_to_pygame(cand)) == cand:
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120 dist = (first[0] - cand[0]) ** 2 + (first[1] - cand[1]) ** 2
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121 if dist < min_dist:
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122 poss = cand
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123 if poss is not None:
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124 self.add_point(index, self.point_to_pygame(poss))
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125 self.add_point(index, self.point_to_pygame(first))
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126 return True
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127 return False
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128
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129 def draw(self, mouse_pos, mouse_poly, filled):
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130 self._draw_background(True)
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131 # Draw polygons as needed for the editor
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132 if filled:
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133 self._draw_exterior(True)
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134 for index, polygon in self.polygons.items():
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135 color = POLY_COLORS[index]
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136 if len(polygon) > 1:
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137 pointlist = [self.point_to_pygame(p) for p in polygon]
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138 pygame.draw.lines(self._surface, color, False, pointlist, 2)
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139 if index == mouse_poly and mouse_pos:
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140 endpoint = self.fix_angle(index, mouse_pos)
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141 pygame.draw.line(self._surface, color,
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142 self.point_to_pygame(polygon[-1]),
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143 self.point_to_pygame(endpoint))
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144 for line in self.lines:
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145 pointlist = [self.point_to_pygame(p) for p in line]
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146 pygame.draw.lines(self._surface, LINE_COLOR, False, pointlist, 2)
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147 return self._surface.copy()
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148
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149
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150 class LevelWidget(Widget):
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151
108
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152 def __init__(self, level):
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153 super(LevelWidget, self).__init__(pygame.rect.Rect(0, 0,
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154 SCREEN[0], SCREEN[1]))
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155 self.level = level
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156 self.pos = (0, 0)
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157 self.filled_mode = False
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158 self.mouse_pos = None
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159 self.cur_poly = None
167
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160 self._mouse_drag = False
199
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161 self._draw_objects = False
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162 self._draw_enemies = False
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163 self._draw_lines = False
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164
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165 def _level_coordinates(self, pos):
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166 # Move positions to level values
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167 if not pos:
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168 return (0, 0)
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169 return pos[0] + self.pos[0], pos[1] + self.pos[1]
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170
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171 def _move_view(self, offset):
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172 new_pos = [self.pos[0] + offset[0], self.pos[1] + offset[1]]
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173 if new_pos[0] < 0:
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174 new_pos[0] = self.pos[0]
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175 elif new_pos[0] > self.level.x - SCREEN[0]:
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176 new_pos[0] = self.pos[0]
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177 if new_pos[1] < 0:
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178 new_pos[1] = self.pos[1]
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179 elif new_pos[1] > self.level.y - SCREEN[1]:
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180 new_pos[1] = self.pos[1]
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181 self.pos = tuple(new_pos)
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182
199
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183 def set_objects(self, value):
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184 if self._draw_objects != value:
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185 self._draw_objects = value
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186 self.invalidate()
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187
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188 def set_enemies(self, value):
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189 if self._draw_enemies != value:
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190 self._draw_enemies = value
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191 self.invalidate()
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192
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193 def draw(self, surface):
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194 if (self.cur_poly is not None and self.cur_poly in self.level.polygons
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195 and len(self.level.polygons[self.cur_poly])):
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196 # We have an active polygon
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197 mouse_pos = self._level_coordinates(self.mouse_pos)
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198 else:
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199 mouse_pos = None
199
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200 level_surface = level.draw(mouse_pos, self.cur_poly, self.filled_mode)
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201 if self._draw_objects:
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202 for thing in self.level.drawables:
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203 if not isinstance(thing, Enemy):
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204 thing.render(level_surface)
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205 if self._draw_enemies:
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206 for thing in self.level.drawables:
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207 if isinstance(thing, Enemy):
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208 thing.render(level_surface)
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209 surface_area = pygame.rect.Rect(self.pos, SCREEN)
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210 surface.blit(level_surface, (0, 0), surface_area)
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211
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212 def change_poly(self, new_poly):
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213 self.cur_poly = new_poly
204
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214 self._draw_lines = False
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215 if self.cur_poly is not None:
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216 self.filled_mode = False
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217
204
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218 def line_mode(self):
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219 self.cur_poly = None
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220 self._draw_lines = True
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221 self.filled_mode = False
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222
108
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223 def key_down(self, ev):
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224 if ev.key == pgl.K_LEFT:
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225 self._move_view((-10, 0))
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226 elif ev.key == pgl.K_RIGHT:
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227 self._move_view((10, 0))
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228 elif ev.key == pgl.K_UP:
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229 self._move_view((0, -10))
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230 elif ev.key == pgl.K_DOWN:
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231 self._move_view((0, 10))
115
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232 elif ev.key in (pgl.K_1, pgl.K_2, pgl.K_3, pgl.K_4, pgl.K_5, pgl.K_6):
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diff changeset
233 self.change_poly(ev.key - pgl.K_0)
108
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diff changeset
234 elif ev.key == pgl.K_0:
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235 self.change_poly(None)
108
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diff changeset
236 elif ev.key == pgl.K_d and self.cur_poly:
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diff changeset
237 self.level.delete_point(self.cur_poly)
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238 elif ev.key == pgl.K_f:
117
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diff changeset
239 self.set_filled()
135
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diff changeset
240 elif ev.key == pgl.K_c:
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241 self.close_poly()
117
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242
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diff changeset
243 def set_filled(self):
165
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diff changeset
244 closed, _ = self.level.all_closed()
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diff changeset
245 if closed:
117
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246 self.cur_poly = None
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diff changeset
247 self.filled_mode = True
204
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248 self._draw_lines = False
117
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249 else:
165
dba8bc454a43 Fix 'fill exterior' button
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parents: 157
diff changeset
250 alert('Not all polygons closed, so not filling')
108
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diff changeset
251
109
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diff changeset
252 def mouse_move(self, ev):
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diff changeset
253 old_pos = self.mouse_pos
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diff changeset
254 self.mouse_pos = ev.pos
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diff changeset
255 if self.cur_poly and old_pos != self.mouse_pos:
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diff changeset
256 self.invalidate()
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diff changeset
257
167
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diff changeset
258 def mouse_drag(self, ev):
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diff changeset
259 if self._mouse_drag:
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diff changeset
260 old_pos = self.mouse_pos
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diff changeset
261 self.mouse_pos = ev.pos
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diff changeset
262 diff = (-self.mouse_pos[0] + old_pos[0],
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diff changeset
263 -self.mouse_pos[1] + old_pos[1])
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parents: 166
diff changeset
264 self._move_view(diff)
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diff changeset
265 self.invalidate()
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diff changeset
266
109
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diff changeset
267 def mouse_down(self, ev):
184
e003b994c48b Output coordinates from the level editor, to help place things
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parents: 167
diff changeset
268 if ev.button == 1:
204
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diff changeset
269 if self._draw_lines:
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diff changeset
270 pass
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diff changeset
271 else:
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diff changeset
272 print "Click: %r" % (
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diff changeset
273 self.level.point_to_pymunk(
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parents: 199
diff changeset
274 self._level_coordinates(ev.pos)),)
157
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parents: 153
diff changeset
275 if ev.button == 4: # Scroll up
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parents: 153
diff changeset
276 self._move_view((0, -10))
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parents: 153
diff changeset
277 elif ev.button == 5: # Scroll down
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parents: 153
diff changeset
278 self._move_view((0, 10))
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parents: 153
diff changeset
279 elif ev.button == 6: # Scroll left
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parents: 153
diff changeset
280 self._move_view((-10, 0))
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parents: 153
diff changeset
281 elif ev.button == 7: # Scroll right
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parents: 153
diff changeset
282 self._move_view((10, 0))
167
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parents: 166
diff changeset
283 elif self.cur_poly and ev.button == 1:
109
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diff changeset
284 # Add a point
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diff changeset
285 self.level.add_point(self.cur_poly,
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diff changeset
286 self._level_coordinates(ev.pos))
167
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diff changeset
287 elif ev.button == 3:
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diff changeset
288 self._mouse_drag = True
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diff changeset
289
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diff changeset
290 def mouse_up(self, ev):
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parents: 166
diff changeset
291 if ev.button == 3:
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diff changeset
292 self._mouse_drag = False
108
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diff changeset
293
135
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parents: 134
diff changeset
294 def close_poly(self):
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parents: 134
diff changeset
295 if self.cur_poly is None:
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diff changeset
296 return
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diff changeset
297 if self.level.close_poly(self.cur_poly):
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diff changeset
298 alert("Successfully closed the polygon")
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diff changeset
299 self.change_poly(None)
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diff changeset
300 else:
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diff changeset
301 alert("Failed to close the polygon")
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302
108
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303
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304 class PolyButton(Button):
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305 """Button for coosing the correct polygon"""
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306
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307 def __init__(self, index, level_widget):
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308 if index is not None:
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309 text = "Draw: %s" % index
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310 else:
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311 text = 'Exit Draw Mode'
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312 super(PolyButton, self).__init__(text)
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313 self.index = index
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314 self.level_widget = level_widget
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315
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316 def action(self):
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317 self.level_widget.change_poly(self.index)
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318
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319
108
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320 class EditorApp(RootWidget):
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321
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322 def __init__(self, level, surface):
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323 super(EditorApp, self).__init__(surface)
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324 self.level = level
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325 self.level_widget = LevelWidget(self.level)
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326 self.add(self.level_widget)
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327
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328 # Add poly buttons
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329 y = 15
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330 for poly in range(1, 7):
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331 but = PolyButton(poly, self.level_widget)
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332 but.rect = pygame.rect.Rect(0, 0, MENU_WIDTH // 2 - MENU_PAD,
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333 MENU_BUTTON_HEIGHT)
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334 if poly % 2:
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335 but.rect.move_ip(MENU_LEFT, y)
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336 else:
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337 but.rect.move_ip(MENU_LEFT + MENU_WIDTH // 2 - MENU_HALF_PAD,
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338 y)
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339 y += MENU_BUTTON_HEIGHT + MENU_PAD
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340 self.add(but)
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341
134
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342 button_rect = pygame.rect.Rect(0, 0, MENU_WIDTH, MENU_BUTTON_HEIGHT)
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343
198
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344 check_rect = pygame.rect.Rect(0, 0, MENU_BUTTON_HEIGHT // 2,
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345 MENU_BUTTON_HEIGHT // 2)
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346
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347 end_poly_but = PolyButton(None, self.level_widget)
134
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348 end_poly_but.rect = button_rect.copy()
115
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349 end_poly_but.rect.move_ip(MENU_LEFT, y)
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350 self.add(end_poly_but)
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351 y += MENU_BUTTON_HEIGHT + MENU_PAD
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352
204
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353 draw_line = Button("Draw interior wall", self.level_widget.line_mode)
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354 draw_line.rect = button_rect.copy()
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355 draw_line.rect.move_ip(MENU_LEFT, y)
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356 self.add(draw_line)
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357 y += MENU_BUTTON_HEIGHT + MENU_PAD
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358
117
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359 fill_but = Button('Fill exterior', action=self.level_widget.set_filled)
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360 fill_but.rect = button_rect.copy()
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361 fill_but.rect.move_ip(MENU_LEFT, y)
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362 self.add(fill_but)
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363 y += MENU_BUTTON_HEIGHT + MENU_PAD
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364
116
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365 save_but = Button('Save Level', action=self.save)
134
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366 save_but.rect = button_rect.copy()
116
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367 save_but.rect.move_ip(MENU_LEFT, y)
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368 self.add(save_but)
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369 y += MENU_BUTTON_HEIGHT + MENU_PAD
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370
135
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371 close_poly_but = Button('Close Polygon',
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372 action=self.level_widget.close_poly)
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373 close_poly_but.rect = button_rect.copy()
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374 close_poly_but.rect.move_ip(MENU_LEFT, y)
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375 self.add(close_poly_but)
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376 y += MENU_BUTTON_HEIGHT + MENU_PAD
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377
198
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378 white = pygame.color.Color("white")
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379 self.show_objs = CheckBox(fg_color=white)
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380 self.show_objs.rect = check_rect.copy()
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381 self.show_objs.rect.move_ip(MENU_LEFT, y)
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382 label = Label("Show Objects", fg_color=white)
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383 label.rect.move_ip(MENU_LEFT + MENU_BUTTON_HEIGHT // 2 + MENU_PAD, y)
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384 self.add(self.show_objs)
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385 self.add(label)
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386 y += label.rect.height + MENU_PAD
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387
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388 self.show_enemies = CheckBox(fg_color=white)
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389 self.show_enemies.rect = check_rect.copy()
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390 self.show_enemies.rect.move_ip(MENU_LEFT, y)
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391 label = Label("Show enemy start pos", fg_color=white)
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392 label.rect.move_ip(MENU_LEFT + MENU_BUTTON_HEIGHT // 2 + MENU_PAD, y)
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393 self.add(self.show_enemies)
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394 self.add(label)
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395 y += label.rect.height + MENU_PAD
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396
108
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397 quit_but = Button('Quit', action=self.quit)
134
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398 quit_but.rect = button_rect.copy()
115
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399 quit_but.rect.move_ip(MENU_LEFT, y)
108
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400 self.add(quit_but)
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401
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402 def key_down(self, ev):
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403 if ev.key == pgl.K_ESCAPE:
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404 self.quit()
116
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405 elif ev.key == pgl.K_s:
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406 self.save()
108
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407 else:
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408 self.level_widget.key_down(ev)
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409
116
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410 def save(self):
122
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411 closed, messages = self.level.all_closed()
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412 if closed:
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413 self.level.save()
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414 # display success
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415 alert("Level %s saved successfully." % self.level.name)
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416 else:
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417 # display errors
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418 alert("Failed to save level.\n\n%s" % '\n'.join(messages))
116
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diff changeset
419
109
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420 def mouse_move(self, ev):
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421 self.level_widget.mouse_move(ev)
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422
199
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423 def draw(self, surface):
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424 # Update checkbox state
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425 self.level_widget.set_objects(self.show_objs.value)
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426 self.level_widget.set_enemies(self.show_enemies.value)
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427 super(EditorApp, self).draw(surface)
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428
51
9c4681f35866 The level editor
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429
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430 if __name__ == "__main__":
195
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431 if len(sys.argv) not in [2, 4]:
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9c4681f35866 The level editor
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432 print 'Please supply a levelname or levelname and level size'
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433 sys.exit()
199
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434 # Need to ensure we have defaults for rendering
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435 parse_args([])
51
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436 pygame.display.init()
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437 pygame.font.init()
108
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diff changeset
438 pygame.display.set_mode((SCREEN[0] + MENU_WIDTH, SCREEN[1]),
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diff changeset
439 pgl.SWSURFACE)
195
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diff changeset
440 if len(sys.argv) == 2:
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441 level = EditorLevel(sys.argv[1])
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442 level.load(pymunk.Space())
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443 elif len(sys.argv) == 4:
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444 level = EditorLevel(sys.argv[1], int(sys.argv[2]), int(sys.argv[3]))
51
9c4681f35866 The level editor
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445 pygame.display.set_caption('Nagslang Area Editor')
108
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diff changeset
446 pygame.key.set_repeat(200, 100)
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diff changeset
447 app = EditorApp(level, pygame.display.get_surface())
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diff changeset
448 app.run()