# python version of e_tutorial.cpp



from a7 import *

lesson = 3



###############################################################################
if lesson == 1:
    e = Engine("earth.mdl -nwnd -nc")
    while e.frame():
        pass
    e.close()



###############################################################################
if lesson == 2:
    e = Engine("-nwnd -nc")
    e.fps_max = 50
    camera = e.camera
    add_folder("C:\Program Files (x86)\GStudio7\samples")
    level_load("small.hmp")
    while e.frame():
        camera.pan += -3 * e.key_force.x
        camera.tilt += 3 * e.key_force.y
        move = Vector()
        move.x = 6 * (e.key_w - e.key_s)
        move.y = 6 * (e.key_a - e.key_d)
        camera.position += move.rotate(camera.orientation)
    e.close()



###############################################################################
if lesson == 3:
    
    def plop():
        ball.playsound(pong, 100)
    
    def kick():
        speed = Vector(150, 0, 0)
        speed = speed.rotate(camera.orientation)
        speed.z = 75
        ball.ph_addvelcentral(speed)
        plop()
    
    e = Engine("-nwnd -nc")
    e.shadow_stencil = 4
    e.sound_vol = 100
    camera = e.camera
    
    add_folder("C:\Program Files (x86)\GStudio7\samples")
    
    pong = Sound("tap.wav")
    
    splash = Panel()
    splash.bmap = Bitmap("digital.pcx")
    splash.scale_x = float(e.screen_size.x) / splash.bmap.width()
    splash.scale_y = float(e.screen_size.y) / splash.bmap.height()
    splash.flags |= VISIBLE
    
    for i in range(3): e.frame()
    level_load("small.hmp")
    
    ticks = 0
    while ticks < 16:
        ticks += e.time_step
        e.frame()
    splash.remove()
    
    Entity("blood_gsmall+6.tga", flags2=SKY|CUBE, layer=0)
    
    ball = Entity("earth.mdl", (0, 0, 100), None)
    ball.ph_settype(PH_RIGID, PH_SPHERE)
    ball.ph_setmass(1, PH_SPHERE)
    ball.ph_setfriction(90)
    ball.ph_setelasticity(75, 100)
    ball.ph_setdamping(30, 5)
    ball.ph_addvelcentral((2, 2, 0))
    ball.flags |= SHADOW|CAST
    ball.event = plop
    ball.emask |= ENABLE_FRICTION
    
    ph_setgravity((0, 0, -500))
    e.on_space = kick
    
    speed = Vector()
    angular_speed = Vector()
    
    while e.frame():
        
        force = Vector()
        
        force.x = -5 * (e.key_force.x + e.mouse_force.x)
        force.y = 5 * (e.key_force.y + e.mouse_force.y)
        move = vec_accelerate(angular_speed, force, 0.8)
        camera.orientation += move
        
        force.x = 6 * (e.key_w - e.key_s)	
        force.y = 6 * (e.key_a - e.key_d)
        force.z = 6 * (e.key_home - e.key_end)
        move = vec_accelerate(speed, force, 0.5)
        camera.position += move.rotate(camera.orientation)
        
    e.close()

from a7_scheduler import *



@schedule
def rotate_entity():
    while 1:
        e.my.pan += 5 * e.time_step
        yield(1) # wait 1 frame



@schedule
def move_camera():
    camera = e.camera
    speed = Vector()
    angular_speed = Vector()
    while 1:
        force = Vector()
        
        force.x = -5 * (e.key_force.x + e.mouse_force.x)
        force.y = 5 * (e.key_force.y + e.mouse_force.y)
        move = vec_accelerate(angular_speed, force, 0.8)
        camera.orientation += move
        
        force.x = 6 * (e.key_w - e.key_s)	
        force.y = 6 * (e.key_a - e.key_d)
        force.z = 6 * (e.key_home - e.key_end)
        move = vec_accelerate(speed, force, 0.5)
        camera.position += move.rotate(camera.orientation)
        
        yield(1) # wait 1 frame



@schedule
def main():
    add_folder("C:\Program Files (x86)\GStudio7\samples")
    e.video_mode = 8

    yield(3) # wait 3 frames
    level_load("small.hmp")
    Entity("blood_gsmall+6.tga", flags2=SKY|CUBE, layer=0)

    Entity("earth.mdl", (0, 0, 100), rotate_entity)

    move_camera()



main()
scheduler()