tangledmind/models.py

# -*- coding: UTF-8 -*-

### Tangled Mind
### Author: Arthur 'Grizzly' Grisel-Davy

import pygame
from time import time
from math import atan, degrees,radians, cos, sin

img_path = 'asset/'

cap_speed = 10
acceleration = 2
deceleration = 1.1


class Game():
    def __init__(self,carte,perso):
        self.carte = carte
        self.perso = perso

    def draw(self,surface):
        # draw the map
        self.carte.draw(surface,self.perso.get_draw_offset())

        # draw the projectiles and remove them if needed
        to_remove = []
        for k,proj in enumerate(self.perso.projectiles):
            if not proj.is_out(self.carte):
                proj.move()
                proj.draw(surface, self.perso.get_draw_offset())
            else:
                to_remove.append(k)
        if to_remove != []:
            for k in to_remove[::-1]:
                del self.perso.projectiles[k]

        self.perso.draw(surface)


class Carte():
    def __init__(self,texture):
        self.img = pygame.image.load('maps/'+texture).convert_alpha()
        self.rect = self.img.get_rect()
        self.mask = pygame.mask.from_surface(self.img)

    def draw(self,surface,offset):
        surface.blit(self.img,offset)


class Perso():

    def __init__(self,name,posx,posy,center_screen,key_up,key_down,key_left,key_right,key_fire,texture,texture_canon,texture_proj):
        self.name = name
        self.posx = posx
        self.posy = posy
        self.posx_screen = center_screen[0]
        self.posy_screen = center_screen[1]
        self.speed = [0,0]

        self.key_up = key_up
        self.key_down = key_down
        self.key_left = key_left
        self.key_right = key_right
        self.key_fire = key_fire

        self.img_perso = pygame.image.load(img_path+texture).convert_alpha()
        self.perso = self.img_perso
        self.perso_rect = self.perso.get_rect()
        self.mask = pygame.mask.from_surface(self.img_perso)

        self.img_canon = pygame.image.load(img_path+texture_canon).convert_alpha()
        self.canon = self.img_canon
        self.canon_rect = self.canon.get_rect()
        self.degres_perso = 0
        self.degres_canon = 0
        self.texture_proj = texture_proj

        self.projectiles = []
        self.last_fire = time()

    def check_keys(self,keystate,screen_width,screen_height,carte):

        # If an interresting key is pressed
        if keystate[self.key_left] or keystate[self.key_right] or keystate[self.key_up] or keystate[self.key_down]:

            if keystate[self.key_left]:
                self.speed[0] -= acceleration
                if self.speed[0] < -cap_speed: self.speed[0] = -cap_speed

            if keystate[self.key_right]:
                self.speed[0] += acceleration
                if self.speed[0] > cap_speed: self.speed[0] = cap_speed

            if keystate[self.key_up]:
                self.speed[1] -= acceleration
                if self.speed[1] < -cap_speed: self.speed[1] = -cap_speed

            if keystate[self.key_down]:
                self.speed[1] += acceleration
                if self.speed[1] > cap_speed: self.speed[1] = cap_speed

        # Begin the deceleration
        if not (keystate[self.key_left] or keystate[self.key_right]):
            self.speed[0] = int(self.speed[0]/deceleration)
        if not (keystate[self.key_up] or keystate[self.key_down]):
            self.speed[1] = int(self.speed[1]/deceleration)

        # Update the position on x axis
        self.posx = self.posx+self.speed[0]
        # If new position cause to enter a wall, rollback to last position (i.e. don't move)
        if carte.mask.overlap(self.mask, (self.posx-self.perso_rect.center[0],self.posy-self.perso_rect.center[1])):
            self.posx = self.posx-self.speed[0]
            self.speed[0] = 0

        # Update the position on y axis
        self.posy = self.posy+self.speed[1]
        if carte.mask.overlap(self.mask, (self.posx-self.perso_rect.center[0],self.posy-self.perso_rect.center[1])):
            self.posy = self.posy-self.speed[1]
            self.speed[1] = 0


        if keystate[self.key_fire]:
            self.fire('bullet','asset/projectile')


    def draw(self,surface):
        #Calculate player rotation:
        # if self.speed != [0,0]:
        #     if self.speed[0]!=0:
        #         self.degres_perso = -1*degrees(atan(self.speed[1]/self.speed[0]))
        #         if self.speed[0] < 0:
        #             self.degres_perso = 180+self.degres_perso
        #     else:
        #         self.degres_perso = ((self.speed[1]>0)*2-1)*-90
        #     self.perso = pygame.transform.rotate(self.img_perso,self.degres_perso)

        #Calculate canon rotation:
        x_mouse, y_mouse = pygame.mouse.get_pos()
        if x_mouse==self.posx_screen:
                x_mouse+=0.1
        self.degres_canon = -1*degrees(atan((y_mouse-self.posy_screen)/(x_mouse-self.posx_screen)))
        if x_mouse < self.posx_screen:
            self.degres_canon = 180+self.degres_canon
        self.canon = pygame.transform.rotate(self.img_canon,self.degres_canon)

        # Get rects
        self.perso_rect = self.perso.get_rect()
        self.canon_rect = self.canon.get_rect()

        # Blits
        surface.blit(self.perso,(self.posx_screen-self.perso_rect.center[0],self.posy_screen-self.perso_rect.center[1]))
        #hitbox = pygame.Rect(self.posx_screen-self.perso_rect.center[0],self.posy_screen-self.perso_rect.center[1],self.perso_rect[2],self.perso_rect[3])
        #print(hitbox)
        surface.blit(self.canon,(self.posx_screen-self.canon_rect.center[0],self.posy_screen-self.canon_rect.center[1]))
        #pygame.draw.rect(surface, (255,0,0), hitbox, 2)

    def fire(self,name,texture):
        if (time()-self.last_fire> 0.2):
            new_proj = Projectile(name,self.texture_proj,(self.posx,self.posy),20,self.degres_canon)
            self.projectiles.append(new_proj)
            self.last_fire = time()

    def get_draw_offset(self):
        return((self.posx_screen-self.posx,self.posy_screen-self.posy))


class Projectile(pygame.sprite.Sprite):

    def __init__(self,name,texture,position,speed,angle):
        self.name = name
        self.speed = speed
        self.pos_init = position
        self.deplacement = [0,0]
        self.direction = direction = [cos(radians(angle)),-sin(radians(angle))]
        self.img = pygame.transform.rotate(pygame.image.load(img_path+texture).convert_alpha(),angle)
        self.rect = self.img.get_rect()
        self.mask = pygame.mask.from_surface(self.img)

    def move(self):
        self.deplacement = (round(self.deplacement[0]+self.speed*self.direction[0]),round(self.deplacement[1]+self.speed*self.direction[1]))
    
    def draw(self,surface,offset):
        surface.blit(self.img,(offset[0]+self.pos_init[0]+self.deplacement[0]-self.rect[0],offset[1]+self.pos_init[1]+self.deplacement[1]-self.rect[1]))

    def is_out(self,carte):
        abs_pos = (self.pos_init[0]+self.deplacement[0],self.pos_init[1]+self.deplacement[1])
        if carte.mask.overlap(self.mask, (abs_pos[0]-self.rect.center[0],abs_pos[1]-self.rect.center[1])):
        # if (self.deplacement[0]+surface.get_width()/2<0-self.img.get_width() or 
        # self.deplacement[1]+surface.get_height()/2<0-self.img.get_height() or 
        # self.deplacement[0]+surface.get_width()/2>surface.get_width()+self.img.get_width() or 
        # self.deplacement[1]+surface.get_height()/2>surface.get_height()+self.img.get_height()):
            return True
        else:
            return False