PlayerWindow.py

import helpers
from helpers import *
from Model import Model
from Inventory import Inventory


class PlayerWindow (pyglet.window.Window):

    def __init__ (self, *args, **kwargs):
        super (PlayerWindow, self).__init__ (*args, **kwargs)

        # Whether or not the window exclusively captures the mouse.
        self.exclusive = False

        # When flying gravity has no effect and speed is increased.
        self.flying = False


        self.MOVE_SPEED = WALKING_SPEED


        # Strafing is moving lateral to the direction you are facing,
        # e.g. moving to the left or right while continuing to face forward.
        #
        # First element is -1 when moving forward, 1 when moving back, and 0
        # otherwise. The second element is -1 when moving left, 1 when moving
        # right, and 0 otherwise.
        self.strafe = [0, 0]

        # Current (x, y, z) position in the world, specified with floats. Note
        # that, perhaps unlike in math class, the y-axis is the vertical axis.
        self.position = (0, 0, 0)

        # First element is rotation of the player in the x-z plane (ground
        # plane) measured from the z-axis down. The second is the rotation
        # angle from the ground plane up. Rotation is in degrees.
        #
        # The vertical plane rotation ranges from -90 (looking straight down) to
        # 90 (looking straight up). The horizontal rotation range is unbounded.
        self.rotation = (0, 0)

        # Which sector the player is currently in.
        self.sector = None

        # The crosshairs at the center of the screen.
        self.reticle = None

        # Velocity in the y (upward) direction.
        self.dy = 0

        self.health = 100

        # Convenience list of num keys.
        self.num_keys = [
            key._1, key._2, key._3, key._4, key._5,
            key._6, key._7, key._8, key._9, key._0]

        # Instance of the model that handles the world.
        self.model = Model()

        #Instance of the Inventory that handles held items
        self.inventory = Inventory (self.model.batch, self.model.group)

        # The current block the user can place. Hit num keys to cycle.
        ##If the inventory is empty, don't set block
        if (self.inventory.getSize() == 0):
            self.block = None
        else:
            self.block = self.inventory.getCurrentlyIndexedItem()

        # The label that is displayed in the top left of the canvas.
        self.label = pyglet.text.Label('', font_name='Arial', font_size=18,
            x=10, y=self.height - 10, anchor_x='left', anchor_y='top',
            color=(0, 0, 0, 255))

        # This call schedules the `update()` method to be called
        # TICKS_PER_SEC. This is the main game event loop.
        pyglet.clock.schedule_interval(self.update, 1.0 / TICKS_PER_SEC)

    def set_exclusive_mouse(self, exclusive):
        """ If `exclusive` is True, the game will capture the mouse, if False
        the game will ignore the mouse.

        """
        super(PlayerWindow, self).set_exclusive_mouse(exclusive)
        self.exclusive = exclusive

    def update (self, dt):
        """ This method is scheduled to be called repeatedly by the pyglet
        clock.

        Parameters
        ----------
        dt : float
            The change in time since the last call.

        """
        self.model.process_queue()
        sector = sectorize (self.position)
        if sector != self.sector:
            self.model.change_sectors (self.sector, sector)
            if self.sector is None:
                self.model.process_entire_queue()
            self.sector = sector
        m = 8
        dt = min(dt, 0.2)
        for _ in xrange(m):
            self._update(dt / m)

    def _update(self, dt):
        """ Private implementation of the `update()` method. This is where most
        of the motion logic lives, along with gravity and collision detection.

        Parameters
        ----------
        dt : float
            The change in time since the last call.

        """
        # walking
        speed = FLYING_SPEED if self.flying else self.MOVE_SPEED
        d = dt * speed # distance covered this tick.
        dx, dy, dz = get_motion_vector(self)

        # New position in space, before accounting for gravity.
        dx, dy, dz = dx * d, dy * d, dz * d
        # gravity
        if not self.flying:
            # Update your vertical speed: if you are falling, speed up until you
            # hit terminal velocity; if you are jumping, slow down until you
            # start falling.
            self.dy -= dt * GRAVITY
            self.dy = max(self.dy, -TERMINAL_VELOCITY)
            dy += self.dy * dt
        # collisions
        x, y, z = self.position
        x, y, z = self.collide((x + dx, y + dy, z + dz), PLAYER_HEIGHT)
        self.position = (x, y, z)



######IMPLEMENT PLAYER COLLISION##############################################
    def collide(self, position, height):
        """ Checks to see if the player at the given `position` and `height`
        is colliding with any blocks in the world.

        Parameters
        ----------
        position : tuple of len 3
            The (x, y, z) position to check for collisions at.
        height : int or float
            The height of the player.

        Returns
        -------
        position : tuple of len 3
            The new position of the player taking into account collisions.

        """
        # How much overlap with a dimension of a surrounding block you need to
        # have to count as a collision. If 0, touching terrain at all counts as
        # a collision. If .49, you sink into the ground, as if walking through
        # tall grass. If >= .5, you'll fall through the ground.
        pad = 0.25
        p = list(position)
        np = normalize(position)
        for face in FACES:  # check all surrounding blocks
            for i in xrange(3):  # check each dimension independently
                if not face[i]:
                    continue
                # How much overlap you have with this dimension.
                d = (p[i] - np[i]) * face[i]
                if d < pad:
                    continue
                for dy in xrange(height):  # check each height
                    op = list(np)
                    op[1] -= dy
                    op[i] += face[i]
                    if tuple(op) not in self.model.world:
                        continue
                    p[i] -= (d - pad) * face[i]
                    if face == (0, -1, 0) or face == (0, 1, 0):
                        # You are colliding with the ground or ceiling, so stop
                        # falling / rising.
                        if(self.dy < -3): #Will need to change '3' PRT to max jump height before injury
                            self.health = 0
                        self.dy = 0
                    break
        return tuple(p)


#PLAYER CONTROLS#########################################################

    def on_mouse_drag (self, x, y, dx, dy, buttons, modifiers):
        """ Called when the player moves the mouse.

        Parameters
        ----------
        x, y : int
            The coordinates of the mouse click. Always center of the screen if
            the mouse is captured.
        dx, dy : float
            The movement of the mouse.

        """
        self.dX = dx
        self.dY = dy
    #    if self.exclusive:
        m = 0.15
        x, y = self.rotation
        x, y = x + dx * m, y + dy * m
        y = max(-90, min(90, y))
        self.rotation = (x, y)

    def on_mouse_motion (self, x, y, dx, dy):
        """ Called when the player moves the mouse.

        Parameters
        ----------
        x, y : int
            The coordinates of the mouse click. Always center of the screen if
            the mouse is captured.
        dx, dy : float
            The movement of the mouse.

        """
        self.dX = dx
        self.dY = dy
    #    if self.exclusive:
        m = 0.15
        x, y = self.rotation
        x, y = x + dx * m, y + dy * m
        y = max(-90, min(90, y))
        self.rotation = (x, y)


    def on_mouse_press (self, x, y, button, modifiers):
        """ Called when a mouse button is pressed. See pyglet docs for button
        amd modifier mappings.

        Parameters
        ----------
        x, y : int
            The coordinates of the mouse click. Always center of the screen if
            the mouse is captured.
        button : int
            Number representing mouse button that was clicked. 1 = left button,
            4 = right button.
        modifiers : int
            Number representing any modifying keys that were pressed when the
            mouse button was clicked.

        """
#        if self.exclusive:


        vector = get_sight_vector (self)
        hit_pos, previous = self.model.hit_test (self.position, vector)
        if (button == mouse.RIGHT) or \
                ((button == mouse.LEFT) and (modifiers & key.MOD_CTRL)):
            # ON OSX, control + left click = right click.
            if previous:
                self.block = self.inventory.getCurrentlyIndexedItem()
                if (self.block != None):
                    self.model.add_block (previous, self.block)
                    self.inventory.removeItem (self.block)
        elif button == pyglet.window.mouse.LEFT and hit_pos:
            block = self.model.world [hit_pos]
            if block != STONE:
                self.model.remove_block (hit_pos)
                self.inventory.addItem (block)

    #    else:
    #        self.set_exclusive_mouse(True)

    def on_mouse_scroll(self, x, y, scroll_x, scroll_y):
        self.inventory.scrollIndex (scroll_y)

    def on_key_press (self, symbol, modifiers):
        """ Called when the player presses a key. See pyglet docs for key
        mappings.

        Parameters
        ----------
        symbol : int
            Number representing the key that was pressed.
        modifiers : int
            Number representing any modifying keys that were pressed.

        """
        if symbol == key.W:
            self.strafe[0] -= 1
        elif symbol == key.S:
            self.strafe[0] += 1
        elif symbol == key.A:
            self.strafe[1] -= 1
        elif symbol == key.D:
            self.strafe[1] += 1
        elif symbol == key.SPACE:
            if self.dy == 0:
                self.dy = Settings.JUMP_SPEED
        elif symbol == key.LSHIFT:
            self.MOVE_SPEED = Settings.RUNNING_SPEED
#            print(self.MOVE_SPEED)
        elif symbol == key.ESCAPE:
            self.set_exclusive_mouse(False)
        elif symbol == key.TAB:
            self.flying = not self.flying
        elif symbol in self.num_keys:
            index = (symbol - self.num_keys[0])
            self.inventory.setIndex (index)
            self.block = self.inventory.getCurrentlyIndexedItem()

    def on_key_release (self, symbol, modifiers):
        """ Called when the player releases a key. See pyglet docs for key
        mappings.

        Parameters
        ----------
        symbol : int
            Number representing the key that was pressed.
        modifiers : int
            Number representing any modifying keys that were pressed.

        """
        if symbol == key.W:
            self.strafe[0] += 1
        elif symbol == key.S:
            self.strafe[0] -= 1
        elif symbol == key.A:
            self.strafe[1] += 1
        elif symbol == key.D:
            self.strafe[1] -= 1
        elif symbol == key.LSHIFT:
            self.MOVE_SPEED = WALKING_SPEED

##################################################################################

    def on_resize(self, width, height):
        """ Called when the window is resized to a new `width` and `height`.

        """
        # label
        self.label.y = height - 10
        # reticle
        if self.reticle:
            self.reticle.delete()
        x, y = self.width // 2, self.height // 2
        n = 10
        self.reticle = pyglet.graphics.vertex_list(4,
            ('v2i', (x - n, y, x + n, y, x, y - n, x, y + n))
        )

    def set_2d(self):
        """ Configure OpenGL to draw in 2d.

        """
        width, height = self.get_size()
        glDisable(GL_DEPTH_TEST)
        viewport = self.get_viewport_size()
        glViewport(0, 0, max(1, viewport[0]), max(1, viewport[1]))
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        glOrtho(0, max(1, width), 0, max(1, height), -1, 1)
        glMatrixMode(GL_MODELVIEW)
        glLoadIdentity()

    def set_3d(self):
        """ Configure OpenGL to draw in 3d.

        """
        width, height = self.get_size()
        glEnable (GL_DEPTH_TEST)
        viewport = self.get_viewport_size()
        glViewport(0, 0, max(1, viewport[0]), max(1, viewport[1]))
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        gluPerspective(65.0, width / float(height), 0.1, 60.0)
        glMatrixMode (GL_MODELVIEW)
        glLoadIdentity()
        x, y = self.rotation
        glRotatef(x, 0, 1, 0)
        glRotatef(-y, math.cos(math.radians(x)), 0, math.sin(math.radians(x)))
        x, y, z = self.position
        glTranslatef (-x, -y, -z)

    def on_draw(self):
        """ Called by pyglet to draw the canvas.

        """
        self.clear()
        self.set_3d()
        glColor3d (1, 1, 1)

        self.model.batch.draw()
        self.draw_focused_block()
        glColor3d (1, 1, 1)
        glDisable(GL_DEPTH_TEST)
        self.inventory.drawItems (self.model.batch, self.model.group, self.position, self.rotation)
        self.inventory.draw()
        glEnable(GL_DEPTH_TEST)

        self.set_2d()
        self.draw_label()
        self.draw_reticle()
        self.inventory.drawHUD (self.health)




#####SELECTION
    def draw_focused_block(self):
        """ Draw black edges around the block that is currently under the
        crosshairs.

        """
        vector = get_sight_vector (self)
        block = self.model.hit_test (self.position, vector)[0]
        if block:
            x, y, z = block
            vertex_data = cube_vertices (x, y, z, 0.51)
            glColor3d (0, 0, 0)
            glPolygonMode (GL_FRONT_AND_BACK, GL_LINE)
            pyglet.graphics.draw (24, GL_QUADS, ('v3f/static', vertex_data))
            glPolygonMode (GL_FRONT_AND_BACK, GL_FILL)


######HUD####################################



    def draw_label(self):
        """ Draw the label in the top left of the screen.

        """
        x, y, z = self.position
        self.label.text = '%02d (%.2f, %.2f, %.2f) %d / %d' % (
            pyglet.clock.get_fps(), x, y, z,
            len(self.model._shown), len(self.model.world))
        self.label.draw()

    def draw_reticle(self):
        """ Draw the crosshairs in the center of the screen.

        """
        glColor3d(0, 0, 0)
        self.reticle.draw(GL_LINES)