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robots.pas
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robots.pas
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// !!! wczytywane bitmapy XBMP muszą miec szerokość podzielną przez 4
// dlaczego dla makra $define nie mozna wstawic kodu asm
// nie moze byc dostepu do tablicy 'enemy[] of ^record' jako enemy.x itd.
(*
Robots Rumble (2024-07-29)
https://www.file-hunter.com/MSXdev/index.php?id=roborumble
- kazdy level sklada się z 80 tilesow (80 znakow)
- 'cmap1', 'cmap2' to mapa kolorów dla tilesow
- 'id' to identyfikator tilesow
kazda lokacja przegladana jest w poszukiwaniu tilesow reprezentujacych
prawy/lewy magnes, baterie etc.
*)
uses crt, graph, atari, joystick, control, ctm, vsprite, vbxe, saplzss, misc, pokey;
{$define romoff}
//{$r robots.rc}
{$r lzss.rc}
type
TPos = record
x,y: byte;
end;
TEnemy = record
x,y: byte;
blit: byte;
adx: byte;
kind: byte;
frm: byte;
src: cardinal;
end;
PTEnemy = ^TEnemy;
const
sapr_modul1 = $f000; // ingame1 1712
sapr_modul2 = $f6e0; // rrumble 1056
sapr_modul3 = $fb00; // gameover 294
sapr_modul4 = $fc80; // endlevel 264
sapr_modul5 = $fe00; // ending 482
sapr_player = $c000;
cmap_width = 160; // color map width 40 * 4 = 160
brick_tile = 9;
left_magnet_code = 1; // wspolne kody tilesow
right_magnet_code = 24;
robot_code = 5;
battery_code = 11;
box_corner = 45;
box_top = 46;
box_left = 47;
box_right = 48;
box_bottom = 49;
// teleport_in_code = 70;
teleport_out_code = 15;
enemyrobot_code = 19;
enemyeel_code = 13;
enemyfire_code = 17;
bomb_code = 21;
explode_code = $ff;
lmag_tile_code = 1; // 1,2,3,4
rmag_tile_code = 24; // 24,25,26,27
cmap_adr: array of pointer = [ {$eval 24,"VBXE_WINDOW+:1*cmap_width"} ];
// mul_40: array of word = [ {$eval 24,":1*40"} ];
// mul_320: array of word = [ {$eval 256,":1*320"} ];
sfx_: array of word = [0,$ffff];
sfx0: array of byte = [ {$i sfx/sfx0.inc} ]; // death
sfx1: array of byte = [ {$i sfx/sfx1.inc} ]; // flying up
sfx2: array of byte = [ {$i sfx/sfx2.inc} ]; // bomb explode
sfx3: array of byte = [ {$i sfx/sfx3.inc} ]; // robot move
sfx4: array of byte = [ {$i sfx/sfx4.inc} ]; // time tick tock
sfx5: array of byte = [ {$i sfx/sfx5.inc} ]; // battery
{$i id.inc} // kody identyfikacji tilesow niezalezne od levelu
// id_empty= 1;
// id_downbar = 2;
// id_death = 3;
// id_lava = 4;
// id_elevator = 5;
// id_battery = 6;
var
vram: TVBXEMemoryStream;
msx: TLZSSPlay;
oldSFX: pointer;
pSFX: PByte absolute $e0; // playSFX on VBL, BP2 not allowed on interrupt
robot, battery, teleport: TPos;
room, lvl, lives, power, enemy_cnt: byte;
next_room, next_level, msx_play, msx_status, play_sfx0, play_sfx2, play_sfx4, play_sfx5: Boolean;
death_robot: Boolean;
elevator: Boolean;
ntsc, tick: byte;
txt: TString;
enemy0, enemy1, enemy2, enemy3, enemy4, enemy5, enemy6: TEnemy;
clock: word;
[striped] mul40: array [0..30] of word absolute $0b00; // dpeek(88) + i*40 -> [0..29]
[striped] mul320: array [0..255] of cardinal absolute $0c00; // dst0 + i*320 -> i = [0..255]
enemy: array [0..6] of PTEnemy;
(*-----------------------------------------------------------*)
(*-----------------------------------------------------------*)
procedure InitMsx(modul: pointer); forward;
procedure addSFX(a: pointer);
begin
if (play_sfx2 or play_sfx4) = false then // (bomb explode) or (time tick tock)
if a <> oldSFX then begin
pSFX := a;
oldSFX := a;
end;
end;
(*-----------------------------------------------------------*)
procedure tile_panel(t: byte; x,y: byte);
var p: PByte register;
begin
asm
fxs FX_MEMS #$00
end;
p:=pointer(mul40[y] + x);
p[0] := t ;//+ panel_ofset;
asm
fxs FX_MEMS #$81
end;
p:=cmap_adr[y] + x shl 2 + 1;
p[0]:=color1;
p[1]:=color2;
end;
(*-----------------------------------------------------------*)
procedure tile(t: byte; x,y: byte);
var p: PByte register;
begin
asm
fxs FX_MEMS #$00
end;
p:=pointer(mul40[y] + x);
p[0] := t;
asm
fxs FX_MEMS #$81
end;
p:=cmap_adr[y] + x shl 2 + 1;
p[0]:=cmap1[t];
p[1]:=cmap2[t];
end;
(*-----------------------------------------------------------*)
function charCode(v: byte): byte;
begin
case v of
ord(' '): v:=0;
ord('0')..ord('9'): dec(v, 21);
ord('A')..ord('Z'): dec(v, 64);
end;
inc(v, panel_ofset);
Result:=v;
end;
procedure doText(x,y: byte);
var i: byte;
v: byte;
begin
for i:=1 to length(txt) do begin
v:=CharCode(byte(txt[i]));
tile_panel(v, x, y);
inc(x);
end;
end;
(*-----------------------------------------------------------*)
procedure restoreBlit;
begin
SrcBlit(0, src_robot);
enemy0.kind:=0;
enemy1.kind:=0;
enemy2.kind:=0;
enemy3.kind:=0;
enemy4.kind:=0;
enemy5.kind:=0;
enemy6.kind:=0;
end;
(*-----------------------------------------------------------*)
procedure wellDoneMessage;
var i, j: byte;
begin
restoreBlit;
txt:=' ';
for j:=0 to 4 do
for i:=left_magnet_px to 26 do doText(i, 8+j);
TextColor($ca);
txt:='WELL DONE';
doText(11, 9);
txt:='READY FOR NEXT PLANET';
doText(left_magnet_px+1, 11);
end;
(*-----------------------------------------------------------*)
procedure endGameMessage;
begin
restoreBlit;
if power = 0 then begin
play_sfx2:=false;
play_sfx4:=false;
txt:=' ';
doText(11,10);
doText(11,12);
txt:=' POWER OFF ';
end else
if lives=1 then begin
initMsx( pointer(sapr_modul3) );
txt:=' ';
doText(11,10);
doText(11,12);
txt:=' GAME OVER '
end else begin
txt:=' ';
doText(11,10);
doText(11,12);
txt:=' BAD LUCK ';
end;
TextColor($ca);
doText(11,11);
end;
(*-----------------------------------------------------------*)
procedure doPowerFull;
begin
txt:=#42#43; // energy status bar
TextColor($ba);
doText(31, 16);
doText(31, 17);
TextColor($fc);
doText(31, 18);
doText(31, 19);
TextColor($28);
doText(31, 20);
doText(31, 21);
power:=6;
clock:=0;
end;
(*-----------------------------------------------------------*)
procedure doStatusPower;
begin
txt:=' ';
doText(31, 16+5-power);
end;
(*-----------------------------------------------------------*)
procedure doStatus;
var v: byte;
begin
txt:='';
TextColor($0e);
v:=6 - room;
if lvl < 5 then str(v, txt);
doText(32, 10); // room
if lvl < 5 then str(lives, txt);
doText(34, 10); // lives
case lvl of
0: txt:='EARTH2';
1: txt:='NEBULA';
2: txt:='ALTAIR';
3: txt:='BOWIER';
end;
doText(29,8);
if power = 6 then doPowerFull;
end;
(*-----------------------------------------------------------*)
procedure robotLifeIcons;
var p: Pbyte;
x, y: byte;
begin
asm
fxs FX_MEMS #$00
end;
x:=byte(robot.x-8) shr 3;
y:=robot.y shr 3;
p:=pointer(mul40[y] + x + 4 + 40);
p[0]:=empty_tile;
p[1]:=empty_tile;
p[40]:=empty_tile;
p[41]:=empty_tile;
if lives < 3 then begin
p[4]:=empty_tile;
p[5]:=empty_tile;
p[44]:=empty_tile;
p[45]:=empty_tile;
end;
if lives < 2 then begin
p[2]:=empty_tile;
p[3]:=empty_tile;
p[42]:=empty_tile;
p[43]:=empty_tile;
end;
end;
(*-----------------------------------------------------------*)
procedure brightMagnet(t, x,y: byte; cl: byte);
var p: PByte register;
begin
if y > py_limit then exit;
asm
fxs FX_MEMS #$81
end;
p:=cmap_adr[y] + x shl 2 + 1;
p[0]:=cmap1[t] + cl;
p[4]:=cmap1[t+1] + cl;
p[cmap_width]:=cmap1[t+2] + cl;
p[cmap_width + 4]:=cmap1[t+3] + cl;
end;
(*-----------------------------------------------------------*)
procedure setMagnet(a: byte);
begin
if a = 0 then begin
if l_magnet.y > py_limit then exit;
if l_magnet.y <> l_magnet.old then begin
if l_magnet.old < py_limit then begin // clr left magnet
tile(empty_tile, 5, l_magnet.old);
tile(empty_tile, 6, l_magnet.old);
tile(empty_tile, 5, l_magnet.old+1);
tile(empty_tile, 6, l_magnet.old+1);
end;
tile(lmag_tile_code, left_magnet_px, l_magnet.y); // set left magnet
tile(lmag_tile_code+1, left_magnet_px+1, l_magnet.y);
tile(lmag_tile_code+2, left_magnet_px, l_magnet.y+1);
tile(lmag_tile_code+3, left_magnet_px+1, l_magnet.y+1);
brightMagnet(lmag_tile_code, left_magnet_px, l_magnet.y, 4);
brightMagnet(rmag_tile_code, right_magnet_px, r_magnet.y, 0);
l_magnet.old := l_magnet.y;
end;
end else begin
if r_magnet.y > py_limit then exit;
if r_magnet.y <> r_magnet.old then begin
if r_magnet.old < py_limit then begin // clr right magnet
tile(empty_tile, 25, r_magnet.old);
tile(empty_tile, 26, r_magnet.old);
tile(empty_tile, 25, r_magnet.old+1);
tile(empty_tile, 26, r_magnet.old+1);
end;
tile(rmag_tile_code, right_magnet_px, r_magnet.y); // set right magnet
tile(rmag_tile_code+1, right_magnet_px+1, r_magnet.y);
tile(rmag_tile_code+2, right_magnet_px, r_magnet.y+1);
tile(rmag_tile_code+3, right_magnet_px+1, r_magnet.y+1);
brightMagnet(rmag_tile_code, right_magnet_px, r_magnet.y, 4);
brightMagnet(lmag_tile_code, left_magnet_px, l_magnet.y, 0);
r_magnet.old := r_magnet.y;
end;
end;
end;
(*-----------------------------------------------------------*)
procedure newRoom;
var j, py, adx: byte;
ofs: word;
m: Pbyte ;
p: PByte register;
scr: PByte register;
procedure row;
var v, i, x: byte;
e: PTEnemy;
yes: Boolean;
begin
for i:=0 to 23 do begin
asm
fxs FX_MEMS #$00
end;
v:=p[0];
if v = left_magnet_code then l_magnet.y := py;
if (room > 0) and (v = right_magnet_code) then r_magnet.y := py;
if room = 0 then
if v = robot_code then begin
robot.x := i shl 3 + 8;
robot.y := j shl 3;
end;
case v of
battery_code:
begin
battery.x := i+4;
battery.y := j+1;
end;
teleport_out_code:
begin
teleport.x := i shl 3 + 8;
teleport.y := j shl 3 - 8;
end;
end;
if (v = enemyrobot_code) or (v = enemyeel_code) or (v = enemyfire_code) or (v = bomb_code) then
if enemy_cnt < length(enemy) then begin
e:=enemy[enemy_cnt];
e.x := i shl 3 + 8;
e.y := j shl 3;
case v of
enemyeel_code: begin
e.src := src_enemyeel;
e.adx := adx;
if (lvl = 2) and (j > 12) then
adx := 0
else
adx := -adx;
end;
enemyfire_code: begin e.src := src_enemyfire; e.adx := adx end;
enemyrobot_code: begin e.src := src_enemyrobot; e.adx := adx; adx := -adx end;
bomb_code: begin e.src := src_bomb; e.adx:=0 end;
end;
e.frm:=0;
e.kind := v;
inc(enemy_cnt);
end;
yes:=false;
case v of
5..6, 28..29: if lvl < 5 then yes:=true; // robot
19..20, 41..42: yes:=true; // enemyrobot
21..22, 43..44: yes:=true; // bomb
17..18, 39..40: yes:=true; // enemyfire
13: yes:=true; // enemyeel
end;
if yes then v:=empty_tile;
scr[i] := v;
asm
fxs FX_MEMS #$81
end;
x:=i*4;
m[1+x]:=cmap1[v];
m[2+x]:=cmap2[v];
inc(p);
end;
end;
begin
pause;
sdmctl:=0;
dmactl:=0;
vram.position:=VBXE_OVRADR; // CLEAR VBXE MEM
vram.size:=320*256; // VBXE_OVRADR .. VBXE_OVRADR + 320*256
vram.clear;
SetPaletteEntry(1, 255,255,255);
next_level:=false;
death_Robot:=false;
l_magnet.y := $ff;
r_magnet.y := $ff;
l_magnet.old := $ff;
r_magnet.old := $ff;
keyboard:=false;
battery.x:=0;
teleport.x:=0;
enemy_cnt := 0;
enemy0.kind:=0;
enemy1.kind:=0;
enemy2.kind:=0;
enemy3.kind:=0;
enemy4.kind:=0;
enemy5.kind:=0;
enemy6.kind:=0;
atract:=0; // disable attract mode
adx:=1; // adx default value
doStatus;
ofs:=22*24* room + 24;
if (lvl = 0) and (room=2) then inc(robot.x, 16);
if (lvl = 0) and (room=6) then inc(robot.x, 8);
if (lvl = 1) and (room=2) then dec(robot.x, 8);
if (lvl = 1) and (room=3) then inc(robot.x, 8);
m:=pointer(VBXE_WINDOW+4*4); // color_map pointer, skip row #0
scr:=pointer(dpeek(88) + 4); // screen pointer
// okno VBXE $B000..$BFFF jest w tym samym obszarze co pamięć obrazu, oddzielny dostęp CPU/ANTIC
// CPU nie ma jednoczesnego dostępu do mapy kolorów i pamięci obrazu (ANTIC)
//
// musimy włączyć bank VBXE aby zapisać mapę kolorów
// musimy wyłączyć bank VBXE aby zapisać znak w pamięci obrazu
p:=@map; // row #0
row;
inc(scr, 40);
inc(m, cmap_width);
p:=@map + ofs; // actual level map
py:=1;
for j:=0 to 21 do begin // rows #1..22
row;
inc(scr, 40);
inc(m, cmap_width);
inc(py);
end;
if lvl < 5 then
p:=@map + 155*24; // end of map -> row #23
row;
if (room = 0) and (lvl < 5) then robotLifeIcons;
next_room:=false;
sdmctl:=(normal or enable);
end;
(*-----------------------------------------------------------*)
function empty(a: byte): Boolean;
begin
case a of
id_empty, id_death, id_elevator..id_teleport_out: Result := true;
else
Result := false
end;
end;
(*-----------------------------------------------------------*)
function locate(x,y: byte): byte;
var p: PByte register;
begin
asm
fxs FX_MEMS #$00
end;
p:=pointer(mul40[y] + x);
Result:=id[ p[0] ];
end;
(*-----------------------------------------------------------*)
procedure floor_fall(x,y: byte);
var a, b: byte;
begin
tile(empty_tile, x, y);
tile(empty_tile, x+1, y);
end;
(*-----------------------------------------------------------*)
procedure move_brick(x,y: byte; adx: shortint);
var a, b: byte;
begin
if adx < 0 then begin // move left
tile(brick_tile, x-1, y);
tile(brick_tile+1, x, y);
tile(empty_tile, x+1, y);
dec(x);
end else begin // move right
tile(empty_tile, x, y);
tile(brick_tile, x+1, y);
tile(brick_tile+1, x+2, y);
inc(x);
end;
a:=locate(x, y+1);
b:=locate(x+1, y+1);
if empty(a) and empty(b) then begin
tile(empty_tile, x, y);
tile(empty_tile, x+1, y);
tile(brick_tile, x, y+1);
tile(brick_tile+1, x+1, y+1);
end;
end;
(*-----------------------------------------------------------*)
procedure colorRobot;
var a,x,y: byte;
begin
if death_Robot then begin SetPaletteEntry(1, 70,255,70); play_sfx2:=false; play_sfx4:=false; play_sfx0:=true; exit; end;
if next_level then begin SetPaletteEntry(1, 200,30,10); exit; end;
if robot.x and 7 = 0 then begin
y:=robot.y shr 3;
x:=robot.x shr 3 + left_magnet_px - 2;
a:=locate(x, y+1);
if (a = id_elevator) or (a = id_elevator2) then
SetPaletteEntry(1, 40,40,40)
else
SetPaletteEntry(1, 255,255,255);
end;
end;
(*-----------------------------------------------------------*)
procedure powerUP;
begin
play_sfx5:=true;
tile(empty_tile, battery.x, battery.y);
tile(empty_tile, battery.x+1, battery.y);
tile(empty_tile, battery.x, battery.y+1);
tile(empty_tile, battery.x+1, battery.y+1);
doPowerFull;
end;
(*-----------------------------------------------------------*)
function hitBox(x,y: byte): Boolean;
begin
Result:=true;
if ( byte(robot.x+1 - x+1 + 14-1 ) >= byte(14 + 14 - 1) ) then exit(false);
if ( byte(robot.y+1 - y+1 + 14-1 ) >= byte(14 + 14 - 1) ) then exit(false);
end;
(*-----------------------------------------------------------*)
function testBomb(x,y: byte): shortint;
var i: byte;
e: PTEnemy;
function hitEnemy: Boolean;
begin
Result:=true;
if ( byte(e.x+1 - x+1 + 14-1 ) >= byte(14 + 14 - 1) ) then exit(false);
if ( byte(e.y+1 - y+1 + 14-1 ) >= byte(14 + 14 - 1) ) then exit(false);
end;
begin
Result:=-1;
for i:=High(enemy) downto 0 do begin
e:=enemy[i];
if e.kind <> 0 then
if (e.kind <> bomb_code) and (e.kind <> explode_code) then
if hitEnemy then exit(i);
end;
end;
(*-----------------------------------------------------------*)
procedure testEnemy;
var tc: byte;
procedure update(var spr: TEnemy);
var a,b, x,y: byte;
h: shortint;
yes: Boolean;
begin
if spr.kind <> 0 then begin
if spr.x and 7 = 0 then begin
x:=byte(spr.x - 8) shr 3 + 4;
y:=spr.y shr 3 + 1;
case spr.kind of
enemyrobot_code, enemyfire_code:
begin
if spr.adx = 1 then begin
a := locate(x+2, y);
b := locate(x+2, y+1);
end else begin
a := locate(x-1, y);
b := locate(x-1, y+1);
end;
if (empty(a) = false) or (empty(b) = false) then
spr.adx := -spr.adx
else
if (spr.x = 19*8) or (spr.x = 5*8) then spr.adx := -spr.adx;
end;
enemyeel_code:
begin
if spr.adx = 1 then
a := locate(x+2, y)
else
a := locate(x-1, y);
if not empty(a) then
spr.adx := -spr.adx
else
if (spr.x = 19*8) or (spr.x = 5*8) then spr.adx := -spr.adx;
end;
bomb_code:
begin
a := locate(x, y+2);
b := locate(x+1, y+2);
if empty(a) and empty(b) then begin
inc(spr.y, 4);
inc(spr.adx); // bomb falling down
if spr.y and 7 = 0 then begin
h := testBomb(spr.x, spr.y);
if h >=0 then begin // bomb hit enemy
addSFX(@sfx2); play_sfx2:=true;
spr.kind := explode_code;
spr.frm:=0;
inc(spr.x, 3);
inc(spr.y, 3);
SizeBlit(spr.blit, 360, 21);
enemy[h].kind:=0;
end;
end;
end else begin
if spr.adx > 0 then begin
addSFX(@sfx2); play_sfx2:=true;
spr.kind := explode_code;
spr.frm:=0;
inc(spr.x, 3);
inc(spr.y, 3);
SizeBlit(spr.blit, 360, 21);
end;
spr.adx := 0; // bomb stand
end;
end;
end;