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- sprites in alpine racer 2 and cyber cycles

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- trying to figure out sprite deltax/y
This commit is contained in:
Michaël Banaan Ananas 2011-10-03 20:33:00 +00:00
parent a2f9a37099
commit f4d9f9dbff
1 changed files with 96 additions and 37 deletions
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133
src/mame/video/namcos22.c
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@ -11,8 +11,11 @@
* *
* - spritelayer: * - spritelayer:
* + xy offset * + xy offset
* + clipping to window * + clipping to window (eg. timecris)
* + eliminate garbage (airco22b) * + 1-pixel gaps on left side of aquajet/alpinr2b
* + eliminate garbage in airco22b
* + some wrong snow sprites in alpinr2b
* + some missing sprites in cycbrcycc (most easy to spot is the missing city picture at titlescreen)
* *
* - lots of smaller issues * - lots of smaller issues
* *
@ -1269,8 +1272,7 @@ DrawSpritesHelper(
{ {
/* attrs: /* attrs:
xxxx.x---.----.----.----.----.----.---- always 0? xxxx.x---.----.----.----.----.----.---- always 0?
----.-x--.----.----.----.----.----.---- hidden? ----.-xxx.----.----.----.----.----.---- enable mask?
----.--xx.----.----.----.----.----.---- ?
----.----.xxxx.xxxx.----.----.----.---- linktype? ----.----.xxxx.xxxx.----.----.----.---- linktype?
----.----.----.----.xxxx.xx--.----.---- always 0? ----.----.----.----.xxxx.xx--.----.---- always 0?
----.----.----.----.----.--x-.----.---- right justify ----.----.----.----.----.--x-.----.---- right justify
@ -1282,10 +1284,12 @@ DrawSpritesHelper(
*/ */
UINT32 attrs = pSource[2]; UINT32 attrs = pSource[2];
if( (attrs&0x04000000)==0 ) if( (attrs&0x04000000)==0 )
{ /* sprite is not hidden */ {
/* sprite is not hidden */
INT32 zcoord = pPal[0]; INT32 zcoord = pPal[0];
int color = pPal[1]>>16; int color = pPal[1]>>16;
int cz = pPal[1]&0xffff; int cz = pPal[1]&0xffff;
int pri = ((pPal[1] & 0xffff) == 0x00fe); // ? priority over textlayer, trusted by testmode and timecris (not cz&0x80 or color&0x80 or in attrs)
UINT32 xypos = pSource[0]; UINT32 xypos = pSource[0];
UINT32 size = pSource[1]; UINT32 size = pSource[1];
UINT32 code = pSource[3]; UINT32 code = pSource[3];
@ -1293,8 +1297,8 @@ DrawSpritesHelper(
int ypos = (xypos&0xffff)-deltay; int ypos = (xypos&0xffff)-deltay;
int sizex = size>>16; int sizex = size>>16;
int sizey = size&0xffff; int sizey = size&0xffff;
int zoomx = (1<<16)*sizex/0x20; int zoomx = (1<<(16-5))*sizex;
int zoomy = (1<<16)*sizey/0x20; int zoomy = (1<<(16-5))*sizey;
int flipy = attrs&0x8; int flipy = attrs&0x8;
int numrows = attrs&0x7; int numrows = attrs&0x7;
int linkType = (attrs&0x00ff0000)>>16; int linkType = (attrs&0x00ff0000)>>16;
@ -1303,31 +1307,30 @@ DrawSpritesHelper(
int tile = code>>16; int tile = code>>16;
int translucency = (code&0xff00)>>8; int translucency = (code&0xff00)>>8;
if( numrows==0 ) if (numrows == 0) numrows = 8;
numrows = 8; if (numcols == 0) numcols = 8;
if( flipy )
if (flipy)
{ {
ypos += sizey*(numrows-1); ypos += sizey*(numrows-1);
sizey = -sizey; sizey = -sizey;
} }
if( numcols==0 ) if (flipx)
numcols = 8;
if( flipx )
{ {
xpos += sizex*(numcols-1); xpos += sizex*(numcols-1);
sizex = -sizex; sizex = -sizex;
} }
if( attrs & 0x0200 ) /* right justify */
{ /* right justify */ if (attrs & 0x0200)
xpos -= ((zoomx*numcols*0x20)>>16)-1; xpos -= ((zoomx*numcols)>>(16-5))-1;
}
if( attrs & 0x0100 )
{ /* bottom justify */
ypos -= ((zoomy*numrows*0x20)>>16)-1;
}
/* bottom justify */
if (attrs & 0x0100)
ypos -= ((zoomy*numrows)>>(16-5))-1;
if (sizex && sizey)
{ {
struct SceneNode *node = NewSceneNode(machine, zcoord, eSCENENODE_SPRITE); struct SceneNode *node = NewSceneNode(machine, zcoord, eSCENENODE_SPRITE);
@ -1344,7 +1347,7 @@ DrawSpritesHelper(
node->data.sprite.translucency = translucency; node->data.sprite.translucency = translucency;
node->data.sprite.color = color; node->data.sprite.color = color;
node->data.sprite.cz = cz; node->data.sprite.cz = cz;
node->data.sprite.pri = ((cz & 0xffff) == 0x00fe); // ? priority over textlayer, trusted by testmode and timecris (not cz&0x80 or color&0x80 or in attrs) node->data.sprite.pri = pri;
} }
} /* visible sprite */ } /* visible sprite */
pSource -= 4; pSource -= 4;
@ -1356,6 +1359,32 @@ static void
DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect ) DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect )
{ {
namcos22_state *state = machine.driver_data<namcos22_state>(); namcos22_state *state = machine.driver_data<namcos22_state>();
UINT32 *spriteram32 = state->m_spriteram;
const UINT32 *pSource;
const UINT32 *pPal;
#if 0 // show reg contents
int i;
char msg1[0x1000]={0}, msg2[0x1000]={0};
// 980000-98023f (spriteram header)
for (i=0x00;i<0x02;i++) {
sprintf(msg2,"98%04X %08X %08X %08X %08X\n",i*16,spriteram32[i*4+0],spriteram32[i*4+1],spriteram32[i*4+2],spriteram32[i*4+3]);
strcat(msg1,msg2);
}
for (i=0x20;i<0x24;i++) {
sprintf(msg2,"98%04X %08X %08X %08X %08X\n",i*16,spriteram32[i*4+0],spriteram32[i*4+1],spriteram32[i*4+2],spriteram32[i*4+3]);
strcat(msg1,msg2);
}
strcat(msg1,"\n");
// 940000-94007c (vics control)
for (i=0x00;i<0x08;i++) {
sprintf(msg2,"94%04X %08X %08X %08X %08X\n",i*16,state->m_vics_control[i*4+0],state->m_vics_control[i*4+1],state->m_vics_control[i*4+2],state->m_vics_control[i*4+3]);
strcat(msg1,msg2);
}
if (machine.input().code_pressed(KEYCODE_S))
popmessage("%s",msg1);
else popmessage("[S] shows spite/vics regs");
#endif
/* /*
// time crisis: // time crisis:
00980000: 00060000 000b0053 03000200 03000000 00980000: 00060000 000b0053 03000200 03000000
@ -1385,6 +1414,8 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
0x980000: 00060000 00010000 02ff0000 000007ff 0x980000: 00060000 00010000 02ff0000 000007ff
^^^^ 7 = disable ^^^^ 7 = disable
^^^^ num sprites ^^^^ num sprites
^^^^ probably deltax related
^^^^ definitely deltay related!
0x980010: 00200020 000002ff 000007ff 00000000 0x980010: 00200020 000002ff 000007ff 00000000
^^^^^^^^ character size? ^^^^^^^^ character size?
@ -1424,15 +1455,42 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
0x9a0004: palette, C381 ZC (depth cueing) 0x9a0004: palette, C381 ZC (depth cueing)
... ...
*/ */
UINT32 *spriteram32 = state->m_spriteram;
int num_sprites;
const UINT32 *pSource;
const UINT32 *pPal;
int deltax = spriteram32[0x14/4]>>16; // xy offs, prelim!
int deltay = spriteram32[0x18/4]>>16; int deltax=spriteram32[5]>>16; // usually 0x280
int deltay=spriteram32[6]>>16; // usually 0x32a
#if 1 if (deltax == 0 || deltay == 0)
switch (state->m_gametype)
{
case NAMCOS22_AQUA_JET:
deltax = 0x07f;
deltay = 0x0fe; // spriteram32[3]>>16(0x0d6) + default(0x02a) is 0x100, close to 0x0fe
break;
case NAMCOS22_CYBER_CYCLES:
// approx (not enough testdata)
deltax = 0x280;
deltay = 0x400; // is spriteram32[3]>>16
break;
case NAMCOS22_TOKYO_WARS:
// approx (not enough testdata)
deltax = 190;
deltay = 0x10e; // spriteram32[3]>>16(0x0e6) is 0x10 more than aquajet
break;
default:
// accurate in testmode
deltax = 0x02e;
deltay = 0x02a;
break;
}
// previous xy implementation
#if 0
deltax=spriteram32[5]>>16;
deltay=spriteram32[6]>>16;
/* HACK for Tokyo Wars */ /* HACK for Tokyo Wars */
if (deltax == 0 && deltay == 0) if (deltax == 0 && deltay == 0)
{ {
@ -1448,18 +1506,19 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
} }
#endif #endif
int enable = spriteram32[0]>>16; int enable = spriteram32[0]>>16&7;
num_sprites = spriteram32[0x04/4]>>16 & 0x3ff; int base = spriteram32[0] & 0xffff;
num_sprites++; // alpinerd, propcycl, .. but garbage in airco22b int num_sprites = (spriteram32[1]>>16) - base;
if( num_sprites > 0 && enable == 6 ) num_sprites += (~enable & 1); // alpinr2b! (+1 in all other games, though airco22b expects +0?)
if( num_sprites > 0 && enable != 7 )
{ {
pSource = &spriteram32[0x04000/4]; pSource = &spriteram32[0x04000/4 + base*4];
pPal = &spriteram32[0x20000/4]; pPal = &spriteram32[0x20000/4 + base*2];
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, deltax, deltay ); DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, deltax, deltay );
} }
/* VICS RAM provides two additional banks */ /* VICS RAM provides two additional banks (also many unknown regs here) */
/* (still many unknowns here) /*
0x940000 -x------ sprite chip busy 0x940000 -x------ sprite chip busy
0x940018 xxxx---- clr.w $940018.l 0x940018 xxxx---- clr.w $940018.l