import os, pygame, random, perlin from pygame.locals import * if not pygame.font: print 'Warning, fonts disabled' if not pygame.mixer: print 'Warning, sound disabled' def load_image(name): fullname = os.path.join('data', name) try: image = pygame.image.load(fullname) except pygame.error, message: print 'Cannot load image:', fullname raise SystemExit, message image = image.convert() return image def debugMessage(string): print string class TILE(): images=[] #Image for 4xnormal, cracked, damaged and broken tile strength=[] #How easy it is to break the tile from normal->cracked, cracked->damaged, damaged->broken and broken->destroyed lemit=[] #Light emmision and color name="" #Tile name def __init__(self): self.images=[Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32),Rect(0,0,32,32)] #Image for 4xnormal, cracked, damaged and broken tile self.strength=[100,100,100,100] #How easy it is to break the tile from normal->cracked, cracked->damaged, damaged->broken and broken->destroyed self.lemit=[0,0,0] #Light emmision and color self.name="tile" class GENERATOR(): big_feature=perlin.PerlinNoise((1,1),perlin.ease_interpolation) small_feature=perlin.PerlinNoise((1,1),perlin.ease_interpolation) climate=perlin.PerlinNoise((1,1),perlin.ease_interpolation) lake=perlin.PerlinNoise((1,1),perlin.ease_interpolation) def __init__(self,big,small,climate,lake): debugMessage("Initializing generator...") self.big_feature =perlin.PerlinNoise((big,big),perlin.ease_interpolation) self.small_feature =perlin.PerlinNoise((small,small),perlin.ease_interpolation) self.climate =perlin.PerlinNoise((climate,climate),perlin.ease_interpolation) self.lake =perlin.PerlinNoise((lake,lake),perlin.ease_interpolation) debugMessage("Generator initialized!") class TILESET(): tileset=[] tileDefinition=[] def __init__(self): debugMessage("Creating tileset...") self.tileDefinition+=[TILE()] for i in range(0,8): self.tileDefinition[0].images[i]=Rect(0,0,32,32) self.tileset=tileset=load_image("dngn.png") self.tileDefinition+=[TILE()] self.tileDefinition[1].strength=[] for i in range(1,8): self.tileDefinition[1].images[i-1]=Rect(i*32,0,32,32) self.tileDefinition+=[TILE()] self.tileDefinition[2].strength=[] for i in range(1,8): self.tileDefinition[2].images[i-1]=Rect(i*32+256,0,32,32) debugMessage("Tileset created!") def fromFile(self,filename): f=open(filename,"r") class LOCALMAP(): mapChunk=[[]] tileVariation=[[]] cachedimage="NULL" def generate(self,generator,positionX,positionY): debugMessage("Generating chunk...") for x in range(0,32): self.mapChunk+=[[]] self.tileVariation+=[[]] for y in range(0,32): nx = (x+positionX*32) / float(8) ny = (y+positionY*32) / float(8) if( (generator.small_feature.value_at((nx,ny))*30) < 0 ): self.mapChunk[x]+=[0] else: self.mapChunk[x]+=[1] self.tileVariation[x]+=[random.randint(0,4)] debugMessage("Chunk generated("+str(positionX)+","+str(positionY)+")") def __init__(self,generator,positionX,positionY): self.mapChunk=[[]] self.tileVariation=[[]] self.generate(generator,positionX,positionY) def requestChunk(self,tileset): if self.cachedimage == "NULL": self.cachedimage=pygame.Surface((1024,1024)) for x in range(0,32): for y in range(0,32): pos=(x*32,y*32) clip=tileset.tileDefinition[self.mapChunk[x][y]].images[self.tileVariation[x][y]] self.cachedimage.blit(tileset.tileset,pos,clip) debugMessage("Drawn a new chunk!") return self.cachedimage class GLOBALMAP(): def __init__(self,big,small,climate,lake): debugMessage("Initializing world map...") self.chunkCollection={} self.generator=GENERATOR(big,small,climate,lake) debugMessage("World map initialized") def requestChunk(self, x, y): if not self.chunkCollection.has_key((x,y)): self.chunkCollection[(x,y)]=LOCALMAP(self.generator,x,y) return self.chunkCollection[(x,y)] def drawMap(self, screen, tileset, xx, yy): screen.fill((0,0,0)) for x in range(-1,2): for y in range(-1,2): chunk_x = (xx // 32) + x chunk_y = (yy // 32) + y chunk = self.requestChunk(chunk_x, chunk_y) pos = (32 * (32 * chunk_x - xx), 32 * (32 * chunk_y - yy)) if x == 0 and y == 0: print "blit: ", (xx, yy), (chunk_x, chunk_y), pos screen.blit(chunk.requestChunk(tileset), pos) class GAME(): camPositionX=0 camPositionY=0 camMovementX=0 camMovementY=0 run=0 def __init__(self): debugMessage("Starting the game") pygame.init() pygame.display.set_caption('My game') pygame.mouse.set_visible(0) self.run=1 debugMessage("Game started") screen = pygame.display.set_mode((640, 480)) clock = pygame.time.Clock() tileset=TILESET() gamemap=GLOBALMAP(32,8,64,16) def main(self): debugMessage("Running main loop...") while(self.run): self.clock.tick(1000) self.camPositionX+=self.camMovementX self.camPositionY+=self.camMovementY self.checkEvents() self.gamemap.drawMap(self.screen,self.tileset,self.camPositionX,self.camPositionY) pygame.display.flip() pygame.time.wait(10) debugMessage("Main loop off.") def checkEvents(self): for event in pygame.event.get(): if event.type == QUIT: return elif event.type == KEYDOWN: if event.key == K_ESCAPE: self.run=0 debugMessage("Disabling main loop...") elif event.key == K_RETURN: self.gamemap=GLOBALMAP(32,8,64,16) elif event.key == K_KP1: self.camMovementX=-1 self.camMovementY=1 elif event.key == K_KP2: self.camMovementY=1 elif event.key == K_KP3: self.camMovementY=1 self.camMovementX=1 elif event.key == K_KP4: self.camMovementX=-1 elif event.key == K_KP6: self.camMovementX=1 elif event.key == K_KP7: self.camMovementX=-1 self.camMovementY=-1 elif event.key == K_KP8: self.camMovementY=-1 elif event.key == K_KP9: self.camMovementY=-1 self.camMovementX=1 elif event.type == KEYUP: if event.key == K_KP1: self.camMovementX=0 self.camMovementY=0 elif event.key == K_KP2: self.camMovementY=0 elif event.key == K_KP3: self.camMovementY=0 self.camMovementX=0 elif event.key == K_KP4: self.camMovementX=0 elif event.key == K_KP6: self.camMovementX=0 elif event.key == K_KP7: self.camMovementX=0 self.camMovementY=0 elif event.key == K_KP8: self.camMovementY=0 elif event.key == K_KP9: self.camMovementY=0 self.camMovementX=0 elif event.type == MOUSEBUTTONDOWN: continue elif event.type is MOUSEBUTTONUP: continue if __name__ == '__main__': game=GAME() game.main() debugMessage("Game ended")