X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=tabakrolletjie%2Fenemies.py;h=02491aa5138fabd40c12e89dda350e98822e45ef;hb=c0b5c084a33732310c3eac21ecf358ddd62c9d52;hp=f668f1afe0f50fbf19a6655fd7a2bf3754af6816;hpb=3ce7cd00032bacb036af49f3c7f453cdfd63ca31;p=tabakrolletjie.git diff --git a/tabakrolletjie/enemies.py b/tabakrolletjie/enemies.py index f668f1a..02491aa 100644 --- a/tabakrolletjie/enemies.py +++ b/tabakrolletjie/enemies.py @@ -8,15 +8,31 @@ import pygame.draw import pygame.surface import pygame.display -import pygame.locals as pgl - -from .constants import SCREEN_SIZE, MOULD_CATEGORY, OBSTACLE_CATEGORY +from .constants import (SCREEN_SIZE, MOULD_CATEGORY, OBSTACLE_CATEGORY, + TURNIP_CATEGORY) from .loader import loader +from .sound import sound MOULD_FILTER = pymunk.ShapeFilter( mask=MOULD_CATEGORY | OBSTACLE_CATEGORY, categories=MOULD_CATEGORY) +EAT_TURNIP_FILTER = pymunk.ShapeFilter(mask=TURNIP_CATEGORY) + + +# Boyd parameters +SPAWN_RATE = 10 +MAX_AGE = 60 +MAX_ELEMENTS = 400 +MAX_HEALTH = 100 + +# Increase in health per day +DAY_HEALTH = 10 + +HEAL_FACTOR = 1 + +MOULD_STAGES = [15, 25] + class Mould(pymunk.Body): """A segment of Boyd""" @@ -30,6 +46,9 @@ class Mould(pymunk.Body): self._resistances = {} self._age = 0 self._img = None + self._health = 500 + self.has_eyeball = False + self._eyeball = None def pygame_pos(self, surface): """Convert to pygame coordinates and offset position so @@ -42,19 +61,35 @@ class Mould(pymunk.Body): if not self._img: name = random.choice( ('mouldA.png', 'mouldB.png', 'mouldC.png')) - self._img = loader.load_image("32", name) + size = "16" if self._age < MOULD_STAGES[0] else "32" if self._age < MOULD_STAGES[1] else "64" + self._img = loader.load_image(size, name) return self._img + def get_eyeball(self): + if not self._eyeball: + name = random.choice( + ('eyeballA.png', 'eyeballB.png', 'eyeballC.png')) + self._eyeball = loader.load_image("32", name) + return self._eyeball + + def set_health(self, new_health): + self._health = new_health + def tick(self, gamestate, space, moulds): """Grow and / or Die""" + self._age += 1 + # we regain a health every tick, so we heal in the dark + if self._health < MAX_HEALTH: + self._health += HEAL_FACTOR + refresh = False - if (self._age % 15) == 0 and len(moulds) < 1000: + if (self._age % SPAWN_RATE) == 0 and len(moulds) < MAX_ELEMENTS: # Spawn a new child, if we can spawn = True - choice = random.randint(0, 4) + choice = random.randint(0, 3) if choice == 0: pos = self.position + (0, 24) elif choice == 1: @@ -78,42 +113,88 @@ class Mould(pymunk.Body): spawn = False if spawn: child = Mould(gamestate, space, pos) + child._health = self._health moulds.append(child) refresh = True + if random.randint(0, 10) < 2: + sound.play_sound("mouth_pop_2a.ogg") + + if self._age in MOULD_STAGES: + # We grow in size + refresh = True + self._img = None # invalidate cached image - if self._age > 120: + if self._age > MOULD_STAGES[1] and random.randint(0, 500) < 1: + # Maybe we grow an eyeball + self.has_eyeball = True + + if self._age > MAX_AGE: # We die of old age space.remove(self, self._shape) moulds.remove(self) refresh = True + else: + # Check for turnips we can eat + # Note that we can only eat a tick after we spawn + query = space.point_query(self.position, 16, EAT_TURNIP_FILTER) + if query: + query[0].shape.body.turnip.eaten = True return refresh - def damage(self, light_color, intensity): + def damage(self, light, space, moulds): """Take damage for light, adjusted for resistances.""" + self._health -= light.base_damage() + if self._health <= 0 and self._age <= MAX_AGE: + # We die of damage + space.remove(self, self._shape) + moulds.remove(self) + return True + return False class Boyd(object): def __init__(self, gamestate, space): - seed = Mould(gamestate, space, (350, 350)) - self._moulds = [seed] + self._moulds = [] + for position in gamestate.get_spawn_positions(): + seed = Mould(gamestate, space, position) + seed.set_health(MAX_HEALTH + gamestate.days * DAY_HEALTH) + self._moulds.append(seed) self._image = pygame.surface.Surface(SCREEN_SIZE) - self._image.convert_alpha(pygame.display.get_surface()) - self._image.fill((0, 0, 0, 0)) - self._image.blit(seed.get_image(), - seed.pygame_pos(self._image), None, pgl.BLEND_RGBA_ADD) + self._image = self._image.convert_alpha(pygame.display.get_surface()) + self._draw_moulds() - def tick(self, gamestate, space): + def _draw_moulds(self): + self._image.fill((0, 0, 0, 0)) + for m in self._moulds: + self._image.blit(m.get_image(), + m.pygame_pos(self._image), None, + 0) + for m in self._moulds: + if m.has_eyeball: + self._image.blit(m.get_eyeball(), m.pygame_pos(self._image), + None, 0) + + def tick(self, gamestate, space, lights): redraw = False + # Handle spawn events for mould in self._moulds[:]: + # Handle updates if mould.tick(gamestate, space, self._moulds): redraw = True + # Check for damage + lit_by = lights.light_query(mould._shape) + for light in lit_by: + # Todo: extract colour and intensity from light + if mould.damage(light, space, self._moulds): + redraw = True + break # we only die once if redraw: - self._image.fill((0, 0, 0, 0)) - for mould in self._moulds: - self._image.blit(mould.get_image(), - mould.pygame_pos(self._image), None, pgl.BLEND_RGBA_ADD) + self._draw_moulds() def render(self, surface): """Draw ourselves""" - surface.blit(self._image, (0, 0), None, pgl.BLEND_RGBA_ADD) + surface.blit(self._image, (0, 0), None, 0) + + def alive(self): + return len(self._moulds) > 0