Mercurial > skaapsteker
annotate skaapsteker/sprites/player.py @ 244:5bbf90e6a94b
Add minimal support for player death
| author | Neil Muller <drnlmuller@gmail.com> |
|---|---|
| date | Thu, 07 Apr 2011 18:13:51 +0200 |
| parents | d5a1471a38a7 |
| children | 129afb4417cf |
| rev | line source |
|---|---|
| 90 | 1 """Class for dealing with the player""" |
| 2 | |
| 3 import pygame.transform | |
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4 import time |
| 90 | 5 |
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6 from skaapsteker.sprites.base import TILE_SIZE, PC_LAYER, MONSTER_LAYER |
| 90 | 7 from skaapsteker.physics import Sprite |
| 8 from skaapsteker.constants import Layers | |
| 9 from skaapsteker.data import get_files, load_image | |
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10 from skaapsteker.engine import PlayerDied |
| 90 | 11 |
| 12 | |
| 13 class Player(Sprite): | |
| 14 | |
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15 collision_layer = PC_LAYER |
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16 collides_with = set([MONSTER_LAYER]) |
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17 wants_updates = True |
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18 |
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19 def __init__(self, the_world): |
| 90 | 20 Sprite.__init__(self) |
| 21 self.image = None | |
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22 self.rect = None |
| 90 | 23 self._image_dict = {} |
| 120 | 24 self._animation_frame = 0.0 |
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25 self._last_time = time.time() |
| 90 | 26 # State flags and such |
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27 self.attacking = 0 |
| 90 | 28 self.running = False |
| 29 self.jumping = False | |
| 30 self.flying = False | |
| 31 self._load_images() | |
| 32 # We muck with these in load for convience, so ensure they're right | |
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33 self.the_world = the_world |
| 90 | 34 self.set_facing('left') |
| 35 self.set_image() | |
| 36 self.set_pos((0, 0)) | |
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37 self._collisions_seen = 0 |
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38 self._last_collide = [] |
| 90 | 39 self._layer = Layers.PLAYER |
| 40 | |
| 41 def set_image(self): | |
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42 key = self._make_key(len(self.the_world.fox.tails)) |
| 120 | 43 images = self._image_dict[key] |
| 44 if self._animation_frame >= len(images): | |
| 45 self._animation_frame = 0.0 | |
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46 if self.rect: |
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47 cur_pos = self.collide_rect.midbottom |
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48 else: |
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49 cur_pos = (0, 0) |
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50 # TODO: can save a lot of calculation here by caching collision rects |
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51 cand_image = images[int(self._animation_frame)] |
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52 cand_collide_rect = cand_image.get_bounding_rect(1).inflate(-2,-2) |
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53 cand_rect = cand_image.get_rect() |
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54 cand_rect_offset = cand_rect.centerx - cand_collide_rect.centerx, cand_rect.bottom - cand_collide_rect.bottom |
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55 cand_rect.midbottom = cur_pos[0] + cand_rect_offset[0], cur_pos[1] + cand_rect_offset[1] |
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56 cand_collide_rect.midbottom = cur_pos |
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57 # We always allow the attacking animation frames |
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58 if not self.check_collide_rect(cand_collide_rect, cand_rect, cand_image) and not self.attacking: |
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59 return |
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60 self.image = cand_image |
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61 self.collide_rect = cand_collide_rect |
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62 self.rect = cand_rect |
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63 self.rect_offset = cand_rect_offset |
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64 self.init_pos() |
| 90 | 65 |
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66 def update(self): |
| 120 | 67 v_x, v_y = self.velocity |
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68 # Never animate slower than !7 fps, never faster than ~15 fps |
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69 if self.attacking > 0: |
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70 if self._last_time: |
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71 if time.time() - self._last_time > 0.15: |
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72 self._animation_frame += 1 |
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73 self.attacking -= 1 |
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74 self._last_time = time.time() |
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75 else: |
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76 self._last_time = time.time() |
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77 else: |
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78 old_frame = self._animation_frame |
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79 self._animation_frame += abs(v_x) / 300 |
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80 time_diff = time.time() - self._last_time |
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81 if int(self._animation_frame) - int(old_frame) > 0: |
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82 # Check time diff |
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83 if time_diff < 0.10: |
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84 # Delay animation frame jump |
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85 self._animation_frame -= abs(v_x) / 300 |
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86 else: |
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87 self._last_time = time.time() |
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88 elif time_diff > 0.20: |
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89 # Force animation frame jump |
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90 self._animation_frame = old_frame + 1 |
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91 self._last_time = time.time() |
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92 if abs(v_x) < 80: |
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93 # Clamp when we're not moving at least 5 pixel / s |
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94 self.velocity = (0, v_y) |
| 160 | 95 self.running = not self.on_solid # if you're not on something you can't stand |
| 120 | 96 else: |
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97 self.velocity = (0, v_y) # Standard platformer physics |
| 120 | 98 self.running = True |
| 99 self.set_image() | |
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100 if self._collisions_seen > 2 * len(self._last_collide): |
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101 # Can we find a position "nearby" that reduces the collision |
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102 # surface |
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103 best_move = (0, 0) |
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104 clip_area = 0 |
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105 for obj in self._last_collide[:]: |
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106 if not obj.collide_rect.colliderect(self.collide_rect): |
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107 # Prune stale objects from the list |
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108 self._last_collide.remove(obj) |
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109 continue |
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110 clip = obj.collide_rect.clip(self.collide_rect) |
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111 clip_area += clip.width * clip.height |
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112 if (obj.floor or obj.block) and \ |
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113 clip.width > TILE_SIZE[0] / 2 and \ |
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114 self.collide_rect.bottom < obj.collide_rect.top + TILE_SIZE[1] / 3: |
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115 delta = self.rect.bottom - self.collide_rect.bottom |
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116 self.collide_rect.bottom = obj.collide_rect.top - 1 |
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117 self.rect.bottom = self.collide_rect.bottom + delta |
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118 self.init_pos() |
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119 return # Jump out of this case |
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120 min_area = clip_area |
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121 for attempt in [(0, 2), (2, 0), (-2, 0), (2, 2), (-2, 2)]: |
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122 clip_area = 0 |
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123 for obj in self._last_collide: |
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124 cand_rect = self.collide_rect.move(attempt) |
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125 clip = obj.collide_rect.clip(cand_rect) |
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126 clip_area += clip.width * clip.height |
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127 if clip_area < min_area: |
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128 min_area = clip_area |
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129 best_move = attempt |
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130 self.collide_rect.move_ip(best_move) |
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131 self.rect.move_ip(best_move) |
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132 self.init_pos() |
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133 self._last_collide = [] |
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134 self._collisions_seen = 0 |
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135 |
| 90 | 136 def set_facing(self, new_facing): |
| 137 self.facing = new_facing | |
| 138 | |
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139 def collided(self, other): |
| 210 | 140 if self.attacking and hasattr(other, 'damage'): |
| 141 # FIXME: Check if we're facing the right way | |
| 142 other.damage(5) | |
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143 if other not in self._last_collide: |
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144 self._last_collide.append(other) |
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145 self._collide_pos = self.collide_rect.midbottom |
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146 self._collisions_seen = 0 |
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147 else: |
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148 self._collisions_seen += 1 |
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149 if hasattr(other, 'collided_player'): |
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208
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150 other.collided_player(self) |
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151 print 'Health', self.the_world.fox.cur_health |
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152 |
| 209 | 153 |
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154 def damage(self, damage): |
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155 self.the_world.fox.cur_health -= damage |
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156 if self.the_world.fox.cur_health <= 0: |
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157 PlayerDied.post() |
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187
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158 |
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159 def restore(self): |
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160 """Restore player to max health (for restarting levels, etc.)""" |
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161 self.the_world.fox.cur_health = self.the_world.fox.max_health |
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122
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162 |
| 90 | 163 def set_pos(self, pos): |
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164 self.rect.midbottom = pos[0] * TILE_SIZE[0] + self.rect_offset[0], (pos[1] + 1) * TILE_SIZE[1] + self.rect_offset[1] |
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165 self.collide_rect.midbottom = pos[0] * TILE_SIZE[0], pos[1] * TILE_SIZE[1] |
| 90 | 166 |
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102
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167 def action_left(self): |
| 115 | 168 if self.facing != 'left': |
| 169 self.facing = 'left' | |
| 170 self.set_image() | |
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171 self.deltav((-450.0, 0.0)) |
| 90 | 172 |
|
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173 def action_right(self): |
| 115 | 174 if self.facing != 'right': |
| 175 self.facing = 'right' | |
| 176 self.set_image() | |
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177 self.deltav((450.0, 0.0)) |
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178 |
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179 def action_up(self): |
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180 if self.on_solid: |
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181 self.deltav((0.0, -self.terminal_velocity[1])) |
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182 self.on_solid = False |
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183 |
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184 def action_down(self): |
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103
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185 self.deltav((0.0, 100.0)) |
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186 |
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187 def action_fire1(self): |
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188 # FIXME: Use the correct tail properties for this |
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189 if len(self.the_world.fox.tails) < 2: |
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190 # Only have a bite attack |
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191 print 'attacking' |
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192 self.attacking = 2 |
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193 print "F1" |
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194 |
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195 def action_fire2(self): |
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196 print "F2" |
| 90 | 197 |
| 198 def _get_action(self): | |
|
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199 if self.attacking: |
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200 return 'attacking' |
| 90 | 201 if self.running: |
| 202 return 'running' | |
| 203 if self.jumping: | |
| 204 return 'jumpin' | |
| 205 return 'standing' | |
| 206 | |
|
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207 def _make_key(self, tails, action=None): |
| 90 | 208 if action is None: |
| 209 action = self._get_action() | |
|
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210 if tails >= 4: |
| 90 | 211 tails = 4 |
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212 elif tails >= 2: |
| 90 | 213 tails = 2 |
| 214 return '%s %s %d' % (action, self.facing, tails) | |
| 215 | |
| 216 def _load_images(self): | |
| 158 | 217 for action in ['standing', 'running', 'jumping', 'attacking']: |
| 90 | 218 for tails in [0, 1, 2, 4]: |
|
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219 directory = 'sprites/kitsune_%s/kitsune_%s_%dtail' % (action, action, tails) |
| 90 | 220 for facing in ['left', 'right']: |
| 221 self.facing = facing | |
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222 key = self._make_key(tails, action) |
| 90 | 223 self._image_dict[key] = [] |
| 224 for image_file in get_files(directory): | |
| 225 if image_file.startswith('.'): | |
| 226 # Skip extra junk for now | |
| 227 continue | |
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228 image = load_image('%s/%s' % (directory, image_file)) |
| 90 | 229 if facing == 'right': |
| 230 image = pygame.transform.flip(image, True, False) | |
| 231 self._image_dict[key].append(image) | |
| 209 | 232 |
| 233 | |
| 234 def take_item(self, item): | |
| 235 my_item = self.the_world.fox.item | |
| 236 if my_item is not None: | |
| 237 print "I already have", my_item | |
| 238 return | |
| 239 getattr(self.the_world.items, item.name).level = "gone" | |
| 240 self.the_world.fox.item = item.name | |
| 241 item.kill() | |
| 242 print "took", item |