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rem |=-------------=|
rem |=-Still-Dying-=|
rem |=-------------=|
rem
rem |=---Coders:---=|
rem
rem |=-Darkzombies-=|
rem
rem |=---Artists:--=|
rem
rem |=----NONE-----=|
rem
rem |=----Index:---=|
rem
rem 1: char (img = 1, spr = 1)
rem 2: bullet (img = 2, spr = 17-23)
rem 3: GameOver (img = 3, spr = 3)
rem 4: enemy (img = 11, spr = 4-10)
rem 5: wall (img = 5, spr = 11) (Ignore this one.)
rem 6: MM (img = 6-10, spr = 12-16)
rem 7: enemyimg (img = 11, spr = 4-10)

rem Init
`disable escapekey
#constant false 0
#constant true 1
scrhgt = screen height()
scrwid = screen width()
global paused = false
sync on : sync rate 100
backdrop off
color backdrop rgb(0,0,0)
set window title "  Some Name - Some Company  "
randomize timer()

rem Types
type entity
    x, y, id, shots, lives, amount, delay, health, status as integer
endtype

type shot
    x, y, id, state, amount as integer
endtype


rem Globals

player as entity
player.id = 1
    
dim enemy(7) as entity


dim bullets(5) as shot
for b = 1 to 5
    for y = 17 to 23
        bullets(b).state = false
        bullets(b).id = y
        bullets(b).amount = 0
    next y
next b

global gamestate = 1
global enemydelay = 20000
global time = timer()
global desttime = time
desttime = desttime + enemydelay
global currbullet = 1
global currenemy = 1

global char=1
global bullet=2
global GameOver=3
global enemyimg=11

dim MM(4)

for mm = 1 to 4
    MM(mm) = mm + 5
next mm

dim MMS(4)

for n = 1 to 4
    MMS(n) = n + 8
next n

gosub LoadImages


game:
gosub SetupPlayer
gosub SetupEnemies
mainloop:
rem Main loop
do
    select gamestate
        case 0
            gosub mainmenu
        endcase
        case 1
        rem Init area
            if player.status = 0
                fadeIn(player.id, 500, 0)
                player.status = 1
            else
                playerinput()
                if enemymovedelay => 6
                    MoveEnemies()
                    enemymovedelay = 0
                else
                    inc enemymovedelay, 1
                endif
                movebullet()
                enemytimer()
                check()
                for b = 1 to 5
                if sprite collision(enemy(b).id, player.id) = true
                    if enemy(b).delay < timer()
                        dec player.health, 1
                        enemy(b).delay = timer() + 1000
                    else
                        inc enemy(b).delay
                    endif
                endif
                next b
            endif
            ink rgb(255,255,255)
            text 50, 50, "Health: "+str$(player.health)
            text 50, 60, "Lives: "+str$(player.lives)
            text 50, 75, "FPS: "+str$(screen fps())
            sync
         endcase
         case 4
              gosub options `(?)
         endcase
    endselect
loop
end

rem Main Menu

mainmenu:
alpha2 = 255 : alpha3 = 255 : alpha4 = 255
sprite MMS(1), 0, 0, MM(1)
set sprite priority MMS(1), 0 
sprite MMS(2), 284, 320, MM(2): // exit
set sprite priority MMS(2), 1 
sprite MMS(3), 266, 221, MM(3): // load
set sprite priority MMS(3), 1 
sprite MMS(4), 283, 138, MM(4): // new
set sprite priority MMS(4), 1
ink rgb(255,255,0),0
do
    mx = mousex() : my = mousey() : mc = mouseclick()
    text 700,10,"mx: " + str$(mx)
    text 700,30,"my: " + str$(my)
    if mx => 276 and mx =< 353 and my => 314 and my =< 353
        if mc = 1
            for mmss = 1 to 4
                hide sprite MMS(mmss)
            next mmss
            end : // exit
        else
            dec alpha2,5 
            if alpha2 < 0 then alpha2 = 255
            set sprite alpha MMS(2), alpha2
        endif
    else
        alpha2 = 255
        set sprite alpha MMS(2), alpha2
    endif
    
    if mx => 264 and mx =< 362 and my => 219 and my =< 282
        if mc = 1
            for mmss = 1 to 4
                hide sprite MMS(mmss)
            next mmss
            `gosub LoadGame
            gamestate = 1
        else
            dec alpha3,5 
            if alpha3 < 0 then alpha3 = 255
            set sprite alpha MMS(3), alpha3
        endif
    else
        alpha3 = 255
        set sprite alpha MMS(3), alpha3
    endif
    
    if mx => 271 and mx =< 381 and my => 134 and my =< 191
        if mc = 1
            gamestate = 1
            for mmss = 1 to 4
                hide sprite MMS(mmss)
            next mmss
            gosub mainloop
        else
            dec alpha4, 5 
            if alpha4 < 0 then alpha4 = 255
            set sprite alpha MMS(4), alpha4
        endif
    else
        alpha4 = 255
        set sprite alpha MMS(4), alpha4
    endif
    sync
loop
return

rem Options (Maybe)
options:
print "Heavy is options!"

return


LoadImages:
rem Make images/Load images
circle 10,10,10
get image char, 0, 0, 22, 22
cls
ink rgb(25,250,10)
circle 10,10,10
get image enemyimg, 0, 0, 22, 22
ink rgb(255,255,255)
cls
set text font "Impact"
set text size 50
center text screen width()/2, screen height()/2, "Game Over!"
center text screen width()/2, screen height()/3, "Press 'escape' to exit!"
get image GameOver,0,0,640,480
cls
set text font "Ariel"
set text size 15

load bitmap "media\Main_Menu.png", 1 `Main Menu
get image MM(2), 284, 354, 348, 383 `Exit Button
get image MM(3), 266, 274, 356, 333 `Load Game Button
get image MM(4), 283, 208, 380, 258 `New Game Button
delete bitmap 1
load image "media\Main_Menu_Blank.png", MM(1)
load image "media\Bullet.png", bullet
return

SetupPlayer:
sprite player.id, screen width()/2, 400, char
player.health = 100
player.lives = 3
player.x = sprite x(player.id)
player.y = sprite y(player.id)
player.status = 0
return

SetupEnemies:
px = player.x : py = player.y
for s = 1 to 5
   enemy(s).id = s + 3
   okay = false
    repeat
        x = rnd(scrwid - 10) : y = rnd(scrhgt - 500)
        if abs(px - x) > 30 and abs(py - y) > 30 then okay = true : // be sure it is a ways away from player
    until okay = true
    enemy(s).x = x-10 : enemy(s).y = y-25
    enemy(s).status = 1 : // active
    sprite enemy(s).id, enemy(s).x, enemy(s).y, enemyimg
next s

return


rem Functions
function playerinput()
        
    ` Check for right arrow
    if rightkey() = 1
        player.x = sprite x(player.id)
        if player.x => 617
            player.x = sprite x(player.id)
            else
            player.x = player.x + 2
        endif
    endif
    
    ` Check for left arrow
    if leftkey() = 1
        player.x = sprite x(player.id)
        if player.x =< 3
            player.x = sprite x(player.id)
            else
            player.x = player.x - 2
        endif
    endif
    
    remstart `For if I ever decide to implement it :P
    if upkey() = 1
        player.y = sprite y(player.id)
        if player.y =< 3
            player.y = sprite y(player.id)
            else
            player.y = player.y - 2
        endif
    endif
    
    if downkey() = 1
        player.y = sprite y(player.id)
        if player.y => 470
            player.y = sprite y(player.id)
            else
            player.y = player.y + 2
        endif
    endif
    remend
    
    if spacekey() = 1
        for b = 1 to 5
            if bullets(b).amount < 5
                inc bullets(b).amount
                bullets(b).state = true
                bullets(b).x = sprite x(player.id)
                bullets(b).y = sprite y(player.id)
                sprite bullets(bullets(b).amount).id, bullets(bullets(b).amount).x, bullets(bullets(b).amount).y, bullet
            endif
        next b
    endif

    ` Show the player (after the x and y may have changed)
    sprite player.id, player.x, player.y, char

endfunction

function check() `Checks a whole load of things.

    if player.health =< 0
        dec player.lives
        if player.lives < 0
            fadeOut(player.id, 500, 255)
            hide all sprites
            sprite GameOver, 0, 0, GameOver
            fadeIn(GameOver, 500, 0)
            do
                cls
                sprite GameOver, 0, 0, GameOver
                if escapekey() = 1 then end
                sync
            loop
        endif
        fadeOut(player.id, 0, 255)
        sprite player.id, screen width()/2, 400, char
        player.health = 100
        player.x = screen width()/2
        player.y = 400
        fadeIn(player.id, 500, 0)
    endif
    
    if escapekey() = 1
        wait 0500
        if paused = false
            paused = true
            repeat
                cls
                center text screen width()/2, screen height()/2, "Paused!"
                sync
                if escapekey() = 1
                    paused = false
                    wait 0500
                endif
             until paused = false
        endif
    endif
        
endfunction

rem Decides when an enemy should enter play

function enemytimer()
    if timer() > desttime
        wait 0200
        for b = 1 to 1
            if enemy(b).amount < 5
                enemy(currenemy).x = rnd(600)+20
                enemy(currenemy).y = 0 - 16
                sprite enemy(currenemy).id, enemy(currenemy).x, 0 - 16, char
                show sprite enemy(currenemy).id
                inc enemy(b).amount, 1
                inc currenemy, 1
                desttime = timer() + enemydelay
            endif
        next b
    endif
endfunction


rem Handles bullets.

function movebullet()
        for b = 1 to 5
        if bullets(b).state = true
           
           x = sprite x(bullets(b).id) : y = sprite y(bullets(b).id)
           if x < 0 or x > ScrWid then bullets(b).state = false : hide sprite bullets(b).id : exit
           if y < 0 or y > ScrHgt then bullets(b).state = false : hide sprite bullets(b).id : exit

        sprite bullets(b).id,bullets(b).x,bullets(b).y + 2, bullet
        endif
        next b
endfunction

function MoveEnemies()
    for b = 1 to 5
        if enemy(b).status = 1
           sprite enemy(b).id, enemy(b).x, enemy(b).y, enemyimg
           if abs(enemy(b).y - player.y) > 4
               if enemy(b).y => player.y
                  dec enemy(b).y
               else
                  inc enemy(b).y 
               endif
           endif
           if abs(enemy(b).x - player.x) > 4   
               if enemy(b).x => player.x
                  dec enemy(b).x, 1
               else
                   inc enemy(b).x, 1
               endif
           endif
        endif
    next b
endfunction

function fadeIn(spr, tmp, alpha_value) `Sprite number, offset, and starting alpha value.
    set sprite alpha spr, alpha_value
    offset = tmp / 255
    tmr = timer() + offset
    repeat
        if timer() > tmr then inc alpha_value : tmr = timer() + offset : set sprite alpha spr, alpha_value
        sync
    until alpha_value = 255
endfunction

function fadeOut(spr, tmp, alpha_value)
    set sprite alpha spr, 255
    offset = tmp / 255
    tmr = timer() + offset
    repeat
        if timer() > tmr then dec alpha_value : tmr = timer() + offset : set sprite alpha spr, alpha_value
        sync
    until alpha_value = 0
endfunction