mirror of
https://github.com/holub/mame
synced 2025-10-04 16:34:53 +03:00
move some code around for later (nw)
This commit is contained in:
David Haywood
parent
5a58c72779
commit
e4bbf24a5e
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -7103,6 +7103,8 @@ src/mame/video/deco16ic.c svneol=native#text/plain
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src/mame/video/deco16ic.h svneol=native#text/plain
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src/mame/video/deco16ic.h svneol=native#text/plain
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src/mame/video/deco32.c svneol=native#text/plain
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src/mame/video/deco32.c svneol=native#text/plain
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src/mame/video/deco_mlc.c svneol=native#text/plain
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src/mame/video/deco_mlc.c svneol=native#text/plain
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src/mame/video/deco_zoomspr.c svneol=native#text/plain
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src/mame/video/deco_zoomspr.h svneol=native#text/plain
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src/mame/video/decocass.c svneol=native#text/plain
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src/mame/video/decocass.c svneol=native#text/plain
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src/mame/video/decocomn.c svneol=native#text/plain
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src/mame/video/decocomn.c svneol=native#text/plain
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src/mame/video/decocomn.h svneol=native#text/plain
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src/mame/video/decocomn.h svneol=native#text/plain
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@ -2024,6 +2024,10 @@ static MACHINE_CONFIG_START( dragngun, dragngun_state )
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MCFG_DECO16IC_GFXDECODE("gfxdecode")
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MCFG_DECO16IC_GFXDECODE("gfxdecode")
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MCFG_DECO16IC_PALETTE("palette")
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MCFG_DECO16IC_PALETTE("palette")
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MCFG_DEVICE_ADD("spritegen_zoom", DECO_ZOOMSPR, 0)
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MCFG_DECO_ZOOMSPR_GFXDECODE("gfxdecode")
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MCFG_DECO_ZOOMSPR_PALETTE("palette")
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", dragngun)
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", dragngun)
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MCFG_PALETTE_ADD("palette", 2048)
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MCFG_PALETTE_ADD("palette", 2048)
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@ -2139,6 +2143,10 @@ static MACHINE_CONFIG_START( lockload, dragngun_state )
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MCFG_DECO16IC_GFXDECODE("gfxdecode")
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MCFG_DECO16IC_GFXDECODE("gfxdecode")
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MCFG_DECO16IC_PALETTE("palette")
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MCFG_DECO16IC_PALETTE("palette")
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MCFG_DEVICE_ADD("spritegen_zoom", DECO_ZOOMSPR, 0)
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MCFG_DECO_ZOOMSPR_GFXDECODE("gfxdecode")
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MCFG_DECO_ZOOMSPR_PALETTE("palette")
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MCFG_DECO146_ADD("ioprot")
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MCFG_DECO146_ADD("ioprot")
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MCFG_DECO146_SET_SOUNDLATCH_CALLBACK(deco32_state, deco32_sound_cb)
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MCFG_DECO146_SET_SOUNDLATCH_CALLBACK(deco32_state, deco32_sound_cb)
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MCFG_DECO146_SET_INTERFACE_SCRAMBLE_REVERSE
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MCFG_DECO146_SET_INTERFACE_SCRAMBLE_REVERSE
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@ -6,6 +6,7 @@
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#include "sound/okim6295.h"
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#include "sound/okim6295.h"
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#include "machine/deco146.h"
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#include "machine/deco146.h"
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#include "machine/deco104.h"
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#include "machine/deco104.h"
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#include "video/deco_zoomspr.h"
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class deco32_state : public driver_device
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class deco32_state : public driver_device
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{
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{
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@ -27,6 +28,7 @@ public:
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m_sprgen(*this, "spritegen"),
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m_sprgen(*this, "spritegen"),
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m_sprgen1(*this, "spritegen1"),
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m_sprgen1(*this, "spritegen1"),
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m_sprgen2(*this, "spritegen2"),
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m_sprgen2(*this, "spritegen2"),
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m_sprgenzoom(*this, "spritegen_zoom"),
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m_eeprom(*this, "eeprom"),
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m_eeprom(*this, "eeprom"),
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m_oki1(*this, "oki1"),
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m_oki1(*this, "oki1"),
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m_oki2(*this, "oki2"),
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m_oki2(*this, "oki2"),
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@ -55,6 +57,7 @@ public:
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optional_device<decospr_device> m_sprgen;
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optional_device<decospr_device> m_sprgen;
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optional_device<decospr_device> m_sprgen1;
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optional_device<decospr_device> m_sprgen1;
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optional_device<decospr_device> m_sprgen2;
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optional_device<decospr_device> m_sprgen2;
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optional_device<deco_zoomspr_device> m_sprgenzoom;
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optional_device<eeprom_serial_93cxx_device> m_eeprom;
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optional_device<eeprom_serial_93cxx_device> m_eeprom;
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optional_device<okim6295_device> m_oki1;
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optional_device<okim6295_device> m_oki1;
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@ -1027,6 +1027,7 @@ $(MAMEOBJ)/dataeast.a: \
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$(DRIVERS)/deco_mlc.o $(VIDEO)/deco_mlc.o \
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$(DRIVERS)/deco_mlc.o $(VIDEO)/deco_mlc.o \
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$(DRIVERS)/deco156.o $(MACHINE)/deco156.o \
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$(DRIVERS)/deco156.o $(MACHINE)/deco156.o \
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$(DRIVERS)/deco32.o $(VIDEO)/deco32.o $(VIDEO)/dvi.o \
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$(DRIVERS)/deco32.o $(VIDEO)/deco32.o $(VIDEO)/dvi.o \
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$(VIDEO)/deco_zoomspr.o \
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$(DRIVERS)/decocass.o $(MACHINE)/decocass.o $(MACHINE)/decocass_tape.o $(VIDEO)/decocass.o \
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$(DRIVERS)/decocass.o $(MACHINE)/decocass.o $(MACHINE)/decocass_tape.o $(VIDEO)/decocass.o \
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$(DRIVERS)/deshoros.o \
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$(DRIVERS)/deshoros.o \
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$(DRIVERS)/dietgo.o $(VIDEO)/dietgo.o \
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$(DRIVERS)/dietgo.o $(VIDEO)/dietgo.o \
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@ -140,369 +140,6 @@ WRITE32_MEMBER(deco32_state::deco32_palette_dma_w)
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}
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}
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}
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}
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/******************************************************************************/
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INLINE void dragngun_drawgfxzoom(dragngun_state *state,
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bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx,
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UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy,
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int transparent_color,
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int scalex, int scaley,bitmap_ind8 *pri_buffer,UINT32 pri_mask, int sprite_screen_width, int sprite_screen_height, UINT8 alpha )
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{
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rectangle myclip;
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if (!scalex || !scaley) return;
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/*
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scalex and scaley are 16.16 fixed point numbers
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1<<15 : shrink to 50%
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1<<16 : uniform scale
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1<<17 : double to 200%
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*/
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/* KW 991012 -- Added code to force clip to bitmap boundary */
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myclip = clip;
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myclip &= dest_bmp.cliprect();
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{
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if( gfx )
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{
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const pen_t *pal = &state->m_palette->pen(gfx->colorbase() + gfx->granularity() * (color % gfx->colors()));
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const UINT8 *code_base = gfx->get_data(code % gfx->elements());
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if (sprite_screen_width && sprite_screen_height)
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{
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/* compute sprite increment per screen pixel */
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int dx = (gfx->width()<<16)/sprite_screen_width;
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int dy = (gfx->height()<<16)/sprite_screen_height;
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int ex = sx+sprite_screen_width;
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int ey = sy+sprite_screen_height;
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int x_index_base;
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int y_index;
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if( flipx )
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{
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x_index_base = (sprite_screen_width-1)*dx;
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dx = -dx;
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}
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else
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{
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x_index_base = 0;
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}
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if( flipy )
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{
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y_index = (sprite_screen_height-1)*dy;
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dy = -dy;
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}
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else
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{
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y_index = 0;
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}
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if( sx < clip.min_x)
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{ /* clip left */
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int pixels = clip.min_x-sx;
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sx += pixels;
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x_index_base += pixels*dx;
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}
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if( sy < clip.min_y )
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{ /* clip top */
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int pixels = clip.min_y-sy;
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sy += pixels;
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y_index += pixels*dy;
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}
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/* NS 980211 - fixed incorrect clipping */
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if( ex > clip.max_x+1 )
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{ /* clip right */
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int pixels = ex-clip.max_x-1;
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ex -= pixels;
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}
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if( ey > clip.max_y+1 )
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{ /* clip bottom */
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int pixels = ey-clip.max_y-1;
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ey -= pixels;
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}
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if( ex>sx )
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{ /* skip if inner loop doesn't draw anything */
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int y;
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/* case 1: no alpha */
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if (alpha == 0xff)
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{
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if (pri_buffer)
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{
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for( y=sy; y<ey; y++ )
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{
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const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
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UINT32 *dest = &dest_bmp.pix32(y);
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UINT8 *pri = &pri_buffer->pix8(y);
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int x, x_index = x_index_base;
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for( x=sx; x<ex; x++ )
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{
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int c = source[x_index>>16];
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if( c != transparent_color )
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{
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if (((1 << pri[x]) & pri_mask) == 0)
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dest[x] = pal[c];
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pri[x] = 31;
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}
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x_index += dx;
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}
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y_index += dy;
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}
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}
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else
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{
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for( y=sy; y<ey; y++ )
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{
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const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
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UINT32 *dest = &dest_bmp.pix32(y);
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int x, x_index = x_index_base;
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for( x=sx; x<ex; x++ )
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{
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int c = source[x_index>>16];
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if( c != transparent_color ) dest[x] = pal[c];
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x_index += dx;
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}
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y_index += dy;
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}
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}
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}
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/* alpha-blended */
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else
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{
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if (pri_buffer)
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{
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for( y=sy; y<ey; y++ )
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{
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const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
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UINT32 *dest = &dest_bmp.pix32(y);
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UINT8 *pri = &pri_buffer->pix8(y);
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int x, x_index = x_index_base;
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for( x=sx; x<ex; x++ )
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{
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int c = source[x_index>>16];
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if( c != transparent_color )
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{
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if (((1 << pri[x]) & pri_mask) == 0)
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dest[x] = alpha_blend_r32(dest[x], pal[c], alpha);
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pri[x] = 31;
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}
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x_index += dx;
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}
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y_index += dy;
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}
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}
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else
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{
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for( y=sy; y<ey; y++ )
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{
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const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
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UINT32 *dest = &dest_bmp.pix32(y);
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int x, x_index = x_index_base;
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for( x=sx; x<ex; x++ )
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{
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int c = source[x_index>>16];
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if( c != transparent_color ) dest[x] = alpha_blend_r32(dest[x], pal[c], alpha);
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x_index += dx;
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}
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y_index += dy;
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}
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}
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}
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}
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}
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}
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}
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}
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void dragngun_state::dragngun_draw_sprites( bitmap_rgb32 &bitmap, const rectangle &cliprect, const UINT32 *spritedata)
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{
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const UINT32 *layout_ram;
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const UINT32 *lookup_ram;
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int offs;
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/*
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Sprites are built from main control ram, which references tile
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layout ram, which finally references tile lookup ram which holds
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the actual tile indices to draw and index into the banking
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control. Tile lookup and tile layout ram are double buffered.
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Main sprite control ram, 8 * 32 bit words per sprite, so
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Word 0:
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0x0400 - Banking control for tile layout RAM + tile lookup ram
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0x0200 - ?
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0x01ff - Index into tile layout RAM
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Word 1 :
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Word 2 : X base position
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Word 3 : Y base position
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Word 4 :
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0x8000: X flip
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0x03ff: X size of block in pixels (for scaling)
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Word 5 :
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0x8000: Y flip
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0x03ff: Y size of block in pixels (for scaling)
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Word 6 :
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0x1f - colour.
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0x20 - ? Used for background at 'frog' boss and title screen dragon.
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0x40 - ? priority?
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0x80 - Alpha blending enable
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Word 7 :
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Tile layout ram, 4 * 32 bit words per sprite, so
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Word 0:
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0x2000 - Selector for tile lookup bank!?!?!?!?!?!?
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0x1fff - Index into tile lookup ram (16 bit word based, NOT 32)
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Word 1:
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0xff00 - ?
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0x00f0 - Width
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0x000f - Height
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Word 2:
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0x01ff - X block offset
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Word 3:
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0x01ff - Y block offset
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*/
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/* Sprite global disable bit */
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if (m_dragngun_sprite_ctrl&0x40000000)
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return;
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for (offs = 0;offs < 0x800;offs += 8)
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{
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int sx,sy,colour,fx,fy,w,h,x,y,bx,by,alpha,scalex,scaley;
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int zoomx,zoomy;
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int xpos,ypos;
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scalex=spritedata[offs+4]&0x3ff;
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scaley=spritedata[offs+5]&0x3ff;
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if (!scalex || !scaley) /* Zero pixel size in X or Y - skip block */
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continue;
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if (spritedata[offs+0]&0x400)
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layout_ram = m_dragngun_sprite_layout_1_ram + ((spritedata[offs+0]&0x1ff)*4); //CHECK!
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else
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layout_ram = m_dragngun_sprite_layout_0_ram + ((spritedata[offs+0]&0x1ff)*4); //1ff in drag gun code??
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h = (layout_ram[1]>>0)&0xf;
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w = (layout_ram[1]>>4)&0xf;
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if (!h || !w)
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continue;
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sx = spritedata[offs+2] & 0x3ff;
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sy = spritedata[offs+3] & 0x3ff;
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bx = layout_ram[2] & 0x1ff;
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by = layout_ram[3] & 0x1ff;
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|
||||||
if (bx&0x100) bx=1-(bx&0xff);
|
|
||||||
if (by&0x100) by=1-(by&0xff); /* '1 - ' is strange, but correct for Dragongun 'Winners' screen. */
|
|
||||||
if (sx >= 512) sx -= 1024;
|
|
||||||
if (sy >= 512) sy -= 1024;
|
|
||||||
|
|
||||||
colour = spritedata[offs+6]&0x1f;
|
|
||||||
|
|
||||||
if (spritedata[offs+6]&0x80)
|
|
||||||
alpha=0x80;
|
|
||||||
else
|
|
||||||
alpha=0xff;
|
|
||||||
|
|
||||||
fx = spritedata[offs+4]&0x8000;
|
|
||||||
fy = spritedata[offs+5]&0x8000;
|
|
||||||
|
|
||||||
// if (spritedata[offs+0]&0x400)
|
|
||||||
if (layout_ram[0]&0x2000)
|
|
||||||
lookup_ram = m_dragngun_sprite_lookup_1_ram + (layout_ram[0]&0x1fff);
|
|
||||||
else
|
|
||||||
lookup_ram = m_dragngun_sprite_lookup_0_ram + (layout_ram[0]&0x1fff);
|
|
||||||
|
|
||||||
zoomx=scalex * 0x10000 / (w*16);
|
|
||||||
zoomy=scaley * 0x10000 / (h*16);
|
|
||||||
|
|
||||||
if (!fy)
|
|
||||||
ypos=(sy<<16) - (by*zoomy); /* The block offset scales with zoom, the base position does not */
|
|
||||||
else
|
|
||||||
ypos=(sy<<16) + (by*zoomy) - (16*zoomy);
|
|
||||||
|
|
||||||
for (y=0; y<h; y++) {
|
|
||||||
if (!fx)
|
|
||||||
xpos=(sx<<16) - (bx*zoomx); /* The block offset scales with zoom, the base position does not */
|
|
||||||
else
|
|
||||||
xpos=(sx<<16) + (bx*zoomx) - (16*zoomx);
|
|
||||||
|
|
||||||
for (x=0; x<w; x++) {
|
|
||||||
int bank,sprite;
|
|
||||||
|
|
||||||
sprite = ((*(lookup_ram++))&0x3fff);
|
|
||||||
|
|
||||||
/* High bits of the sprite reference into the sprite control bits for banking */
|
|
||||||
switch (sprite&0x3000) {
|
|
||||||
default:
|
|
||||||
case 0x0000: sprite=(sprite&0xfff) | ((m_dragngun_sprite_ctrl&0x000f)<<12); break;
|
|
||||||
case 0x1000: sprite=(sprite&0xfff) | ((m_dragngun_sprite_ctrl&0x00f0)<< 8); break;
|
|
||||||
case 0x2000: sprite=(sprite&0xfff) | ((m_dragngun_sprite_ctrl&0x0f00)<< 4); break;
|
|
||||||
case 0x3000: sprite=(sprite&0xfff) | ((m_dragngun_sprite_ctrl&0xf000)<< 0); break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Because of the unusual interleaved rom layout, we have to mangle the bank bits
|
|
||||||
even further to suit our gfx decode */
|
|
||||||
switch (sprite&0xf000) {
|
|
||||||
case 0x0000: sprite=0xc000 | (sprite&0xfff); break;
|
|
||||||
case 0x1000: sprite=0xd000 | (sprite&0xfff); break;
|
|
||||||
case 0x2000: sprite=0xe000 | (sprite&0xfff); break;
|
|
||||||
case 0x3000: sprite=0xf000 | (sprite&0xfff); break;
|
|
||||||
|
|
||||||
case 0xc000: sprite=0x0000 | (sprite&0xfff); break;
|
|
||||||
case 0xd000: sprite=0x1000 | (sprite&0xfff); break;
|
|
||||||
case 0xe000: sprite=0x2000 | (sprite&0xfff); break;
|
|
||||||
case 0xf000: sprite=0x3000 | (sprite&0xfff); break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (sprite&0x8000) bank=4; else bank=3;
|
|
||||||
sprite&=0x7fff;
|
|
||||||
|
|
||||||
if (zoomx!=0x10000 || zoomy!=0x10000)
|
|
||||||
dragngun_drawgfxzoom(this,
|
|
||||||
bitmap,cliprect,m_gfxdecode->gfx(bank),
|
|
||||||
sprite,
|
|
||||||
colour,
|
|
||||||
fx,fy,
|
|
||||||
xpos>>16,ypos>>16,
|
|
||||||
15,zoomx,zoomy,NULL,0,
|
|
||||||
((xpos+(zoomx<<4))>>16) - (xpos>>16), ((ypos+(zoomy<<4))>>16) - (ypos>>16), alpha );
|
|
||||||
else
|
|
||||||
m_gfxdecode->gfx(bank)->alpha(bitmap,cliprect,
|
|
||||||
sprite,
|
|
||||||
colour,
|
|
||||||
fx,fy,
|
|
||||||
xpos>>16,ypos>>16,
|
|
||||||
15,alpha);
|
|
||||||
|
|
||||||
if (fx)
|
|
||||||
xpos-=zoomx<<4;
|
|
||||||
else
|
|
||||||
xpos+=zoomx<<4;
|
|
||||||
}
|
|
||||||
if (fy)
|
|
||||||
ypos-=zoomy<<4;
|
|
||||||
else
|
|
||||||
ypos+=zoomy<<4;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************************/
|
/******************************************************************************/
|
||||||
|
|
||||||
@ -616,16 +253,13 @@ UINT32 dragngun_state::screen_update_dragngun(screen_device &screen, bitmap_rgb3
|
|||||||
// multiple layers of alpha, so rendering to a buffer for layer isn't easy (maybe there are multiple sprite
|
// multiple layers of alpha, so rendering to a buffer for layer isn't easy (maybe there are multiple sprite
|
||||||
// chips at work?)
|
// chips at work?)
|
||||||
//
|
//
|
||||||
// really, it needs optimizing .. the raster effects also need fixing properly, they're not correct using
|
// really, it needs optimizing ..
|
||||||
// partial updates right now but the old buffering of scroll values was a hack and doesn't work properly
|
// so for now we only draw these 2 layers on the last update call
|
||||||
// with the concept of generic tilemap code.
|
|
||||||
//
|
|
||||||
// for now we only draw these 2 layers on the last update call
|
|
||||||
if (cliprect.max_y == 247)
|
if (cliprect.max_y == 247)
|
||||||
{
|
{
|
||||||
rectangle clip(cliprect.min_x, cliprect.max_x, 8, 247);
|
rectangle clip(cliprect.min_x, cliprect.max_x, 8, 247);
|
||||||
|
|
||||||
dragngun_draw_sprites(bitmap,clip,m_spriteram->buffer());
|
m_sprgenzoom->dragngun_draw_sprites(bitmap,clip,m_spriteram->buffer(), m_dragngun_sprite_layout_0_ram, m_dragngun_sprite_layout_1_ram, m_dragngun_sprite_lookup_0_ram, m_dragngun_sprite_lookup_1_ram, m_dragngun_sprite_ctrl );
|
||||||
m_deco_tilegen1->tilemap_1_draw(screen, bitmap, clip, 0, 0);
|
m_deco_tilegen1->tilemap_1_draw(screen, bitmap, clip, 0, 0);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|||||||
410
src/mame/video/deco_zoomspr.c
Normal file
410
src/mame/video/deco_zoomspr.c
Normal file
@ -0,0 +1,410 @@
|
|||||||
|
|
||||||
|
/* the sprites used by DragonGun + Lock 'n' Loaded */
|
||||||
|
|
||||||
|
/* probably 186 + 187 custom chips, although there is a 145 too? */
|
||||||
|
|
||||||
|
#include "emu.h"
|
||||||
|
#include "deco_zoomspr.h"
|
||||||
|
|
||||||
|
const device_type DECO_ZOOMSPR = &device_creator<deco_zoomspr_device>;
|
||||||
|
|
||||||
|
deco_zoomspr_device::deco_zoomspr_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
|
||||||
|
: device_t(mconfig, DECO_ZOOMSPR, "Data East Zooming Sprites", tag, owner, clock, "deco_zoomspr", __FILE__),
|
||||||
|
m_palette(*this),
|
||||||
|
m_gfxdecode(*this)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
//-------------------------------------------------
|
||||||
|
// static_set_palette_tag: Set the tag of the
|
||||||
|
// palette device
|
||||||
|
//-------------------------------------------------
|
||||||
|
|
||||||
|
void deco_zoomspr_device::static_set_palette_tag(device_t &device, const char *tag)
|
||||||
|
{
|
||||||
|
downcast<deco_zoomspr_device &>(device).m_palette.set_tag(tag);
|
||||||
|
}
|
||||||
|
|
||||||
|
//-------------------------------------------------
|
||||||
|
// static_set_gfxdecode_tag: Set the tag of the
|
||||||
|
// gfx decoder
|
||||||
|
//-------------------------------------------------
|
||||||
|
|
||||||
|
void deco_zoomspr_device::static_set_gfxdecode_tag(device_t &device, const char *tag)
|
||||||
|
{
|
||||||
|
downcast<deco_zoomspr_device &>(device).m_gfxdecode.set_tag(tag);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void deco_zoomspr_device::device_start()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
void deco_zoomspr_device::device_reset()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
|
||||||
|
inline void deco_zoomspr_device::deco_zoomspr_device::dragngun_drawgfxzoom(
|
||||||
|
bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx,
|
||||||
|
UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy,
|
||||||
|
int transparent_color,
|
||||||
|
int scalex, int scaley,bitmap_ind8 *pri_buffer,UINT32 pri_mask, int sprite_screen_width, int sprite_screen_height, UINT8 alpha )
|
||||||
|
{
|
||||||
|
rectangle myclip;
|
||||||
|
|
||||||
|
if (!scalex || !scaley) return;
|
||||||
|
|
||||||
|
/*
|
||||||
|
scalex and scaley are 16.16 fixed point numbers
|
||||||
|
1<<15 : shrink to 50%
|
||||||
|
1<<16 : uniform scale
|
||||||
|
1<<17 : double to 200%
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* KW 991012 -- Added code to force clip to bitmap boundary */
|
||||||
|
myclip = clip;
|
||||||
|
myclip &= dest_bmp.cliprect();
|
||||||
|
|
||||||
|
{
|
||||||
|
if( gfx )
|
||||||
|
{
|
||||||
|
const pen_t *pal = &m_palette->pen(gfx->colorbase() + gfx->granularity() * (color % gfx->colors()));
|
||||||
|
const UINT8 *code_base = gfx->get_data(code % gfx->elements());
|
||||||
|
|
||||||
|
if (sprite_screen_width && sprite_screen_height)
|
||||||
|
{
|
||||||
|
/* compute sprite increment per screen pixel */
|
||||||
|
int dx = (gfx->width()<<16)/sprite_screen_width;
|
||||||
|
int dy = (gfx->height()<<16)/sprite_screen_height;
|
||||||
|
|
||||||
|
int ex = sx+sprite_screen_width;
|
||||||
|
int ey = sy+sprite_screen_height;
|
||||||
|
|
||||||
|
int x_index_base;
|
||||||
|
int y_index;
|
||||||
|
|
||||||
|
if( flipx )
|
||||||
|
{
|
||||||
|
x_index_base = (sprite_screen_width-1)*dx;
|
||||||
|
dx = -dx;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
x_index_base = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if( flipy )
|
||||||
|
{
|
||||||
|
y_index = (sprite_screen_height-1)*dy;
|
||||||
|
dy = -dy;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
y_index = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if( sx < clip.min_x)
|
||||||
|
{ /* clip left */
|
||||||
|
int pixels = clip.min_x-sx;
|
||||||
|
sx += pixels;
|
||||||
|
x_index_base += pixels*dx;
|
||||||
|
}
|
||||||
|
if( sy < clip.min_y )
|
||||||
|
{ /* clip top */
|
||||||
|
int pixels = clip.min_y-sy;
|
||||||
|
sy += pixels;
|
||||||
|
y_index += pixels*dy;
|
||||||
|
}
|
||||||
|
/* NS 980211 - fixed incorrect clipping */
|
||||||
|
if( ex > clip.max_x+1 )
|
||||||
|
{ /* clip right */
|
||||||
|
int pixels = ex-clip.max_x-1;
|
||||||
|
ex -= pixels;
|
||||||
|
}
|
||||||
|
if( ey > clip.max_y+1 )
|
||||||
|
{ /* clip bottom */
|
||||||
|
int pixels = ey-clip.max_y-1;
|
||||||
|
ey -= pixels;
|
||||||
|
}
|
||||||
|
|
||||||
|
if( ex>sx )
|
||||||
|
{ /* skip if inner loop doesn't draw anything */
|
||||||
|
int y;
|
||||||
|
|
||||||
|
/* case 1: no alpha */
|
||||||
|
if (alpha == 0xff)
|
||||||
|
{
|
||||||
|
if (pri_buffer)
|
||||||
|
{
|
||||||
|
for( y=sy; y<ey; y++ )
|
||||||
|
{
|
||||||
|
const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
|
||||||
|
UINT32 *dest = &dest_bmp.pix32(y);
|
||||||
|
UINT8 *pri = &pri_buffer->pix8(y);
|
||||||
|
|
||||||
|
int x, x_index = x_index_base;
|
||||||
|
for( x=sx; x<ex; x++ )
|
||||||
|
{
|
||||||
|
int c = source[x_index>>16];
|
||||||
|
if( c != transparent_color )
|
||||||
|
{
|
||||||
|
if (((1 << pri[x]) & pri_mask) == 0)
|
||||||
|
dest[x] = pal[c];
|
||||||
|
pri[x] = 31;
|
||||||
|
}
|
||||||
|
x_index += dx;
|
||||||
|
}
|
||||||
|
|
||||||
|
y_index += dy;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
for( y=sy; y<ey; y++ )
|
||||||
|
{
|
||||||
|
const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
|
||||||
|
UINT32 *dest = &dest_bmp.pix32(y);
|
||||||
|
|
||||||
|
int x, x_index = x_index_base;
|
||||||
|
for( x=sx; x<ex; x++ )
|
||||||
|
{
|
||||||
|
int c = source[x_index>>16];
|
||||||
|
if( c != transparent_color ) dest[x] = pal[c];
|
||||||
|
x_index += dx;
|
||||||
|
}
|
||||||
|
|
||||||
|
y_index += dy;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* alpha-blended */
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if (pri_buffer)
|
||||||
|
{
|
||||||
|
for( y=sy; y<ey; y++ )
|
||||||
|
{
|
||||||
|
const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
|
||||||
|
UINT32 *dest = &dest_bmp.pix32(y);
|
||||||
|
UINT8 *pri = &pri_buffer->pix8(y);
|
||||||
|
|
||||||
|
int x, x_index = x_index_base;
|
||||||
|
for( x=sx; x<ex; x++ )
|
||||||
|
{
|
||||||
|
int c = source[x_index>>16];
|
||||||
|
if( c != transparent_color )
|
||||||
|
{
|
||||||
|
if (((1 << pri[x]) & pri_mask) == 0)
|
||||||
|
dest[x] = alpha_blend_r32(dest[x], pal[c], alpha);
|
||||||
|
pri[x] = 31;
|
||||||
|
}
|
||||||
|
x_index += dx;
|
||||||
|
}
|
||||||
|
|
||||||
|
y_index += dy;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
for( y=sy; y<ey; y++ )
|
||||||
|
{
|
||||||
|
const UINT8 *source = code_base + (y_index>>16) * gfx->rowbytes();
|
||||||
|
UINT32 *dest = &dest_bmp.pix32(y);
|
||||||
|
|
||||||
|
int x, x_index = x_index_base;
|
||||||
|
for( x=sx; x<ex; x++ )
|
||||||
|
{
|
||||||
|
int c = source[x_index>>16];
|
||||||
|
if( c != transparent_color ) dest[x] = alpha_blend_r32(dest[x], pal[c], alpha);
|
||||||
|
x_index += dx;
|
||||||
|
}
|
||||||
|
|
||||||
|
y_index += dy;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void deco_zoomspr_device::dragngun_draw_sprites( bitmap_rgb32 &bitmap, const rectangle &cliprect, const UINT32 *spritedata, UINT32* dragngun_sprite_layout_0_ram, UINT32* dragngun_sprite_layout_1_ram, UINT32* dragngun_sprite_lookup_0_ram, UINT32* dragngun_sprite_lookup_1_ram, UINT32 dragngun_sprite_ctrl )
|
||||||
|
{
|
||||||
|
const UINT32 *layout_ram;
|
||||||
|
const UINT32 *lookup_ram;
|
||||||
|
int offs;
|
||||||
|
|
||||||
|
/*
|
||||||
|
Sprites are built from main control ram, which references tile
|
||||||
|
layout ram, which finally references tile lookup ram which holds
|
||||||
|
the actual tile indices to draw and index into the banking
|
||||||
|
control. Tile lookup and tile layout ram are double buffered.
|
||||||
|
|
||||||
|
|
||||||
|
Main sprite control ram, 8 * 32 bit words per sprite, so
|
||||||
|
|
||||||
|
Word 0:
|
||||||
|
0x0400 - Banking control for tile layout RAM + tile lookup ram
|
||||||
|
0x0200 - ?
|
||||||
|
0x01ff - Index into tile layout RAM
|
||||||
|
Word 1 :
|
||||||
|
Word 2 : X base position
|
||||||
|
Word 3 : Y base position
|
||||||
|
Word 4 :
|
||||||
|
0x8000: X flip
|
||||||
|
0x03ff: X size of block in pixels (for scaling)
|
||||||
|
Word 5 :
|
||||||
|
0x8000: Y flip
|
||||||
|
0x03ff: Y size of block in pixels (for scaling)
|
||||||
|
Word 6 :
|
||||||
|
0x1f - colour.
|
||||||
|
0x20 - ? Used for background at 'frog' boss and title screen dragon.
|
||||||
|
0x40 - ? priority?
|
||||||
|
0x80 - Alpha blending enable
|
||||||
|
Word 7 :
|
||||||
|
|
||||||
|
|
||||||
|
Tile layout ram, 4 * 32 bit words per sprite, so
|
||||||
|
|
||||||
|
Word 0:
|
||||||
|
0x2000 - Selector for tile lookup bank!?!?!?!?!?!?
|
||||||
|
0x1fff - Index into tile lookup ram (16 bit word based, NOT 32)
|
||||||
|
Word 1:
|
||||||
|
0xff00 - ?
|
||||||
|
0x00f0 - Width
|
||||||
|
0x000f - Height
|
||||||
|
Word 2:
|
||||||
|
0x01ff - X block offset
|
||||||
|
Word 3:
|
||||||
|
0x01ff - Y block offset
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Sprite global disable bit */
|
||||||
|
if (dragngun_sprite_ctrl&0x40000000)
|
||||||
|
return;
|
||||||
|
|
||||||
|
for (offs = 0;offs < 0x800;offs += 8)
|
||||||
|
{
|
||||||
|
int sx,sy,colour,fx,fy,w,h,x,y,bx,by,alpha,scalex,scaley;
|
||||||
|
int zoomx,zoomy;
|
||||||
|
int xpos,ypos;
|
||||||
|
|
||||||
|
scalex=spritedata[offs+4]&0x3ff;
|
||||||
|
scaley=spritedata[offs+5]&0x3ff;
|
||||||
|
if (!scalex || !scaley) /* Zero pixel size in X or Y - skip block */
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (spritedata[offs+0]&0x400)
|
||||||
|
layout_ram = dragngun_sprite_layout_1_ram + ((spritedata[offs+0]&0x1ff)*4); //CHECK!
|
||||||
|
else
|
||||||
|
layout_ram = dragngun_sprite_layout_0_ram + ((spritedata[offs+0]&0x1ff)*4); //1ff in drag gun code??
|
||||||
|
h = (layout_ram[1]>>0)&0xf;
|
||||||
|
w = (layout_ram[1]>>4)&0xf;
|
||||||
|
if (!h || !w)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
sx = spritedata[offs+2] & 0x3ff;
|
||||||
|
sy = spritedata[offs+3] & 0x3ff;
|
||||||
|
bx = layout_ram[2] & 0x1ff;
|
||||||
|
by = layout_ram[3] & 0x1ff;
|
||||||
|
if (bx&0x100) bx=1-(bx&0xff);
|
||||||
|
if (by&0x100) by=1-(by&0xff); /* '1 - ' is strange, but correct for Dragongun 'Winners' screen. */
|
||||||
|
if (sx >= 512) sx -= 1024;
|
||||||
|
if (sy >= 512) sy -= 1024;
|
||||||
|
|
||||||
|
colour = spritedata[offs+6]&0x1f;
|
||||||
|
|
||||||
|
if (spritedata[offs+6]&0x80)
|
||||||
|
alpha=0x80;
|
||||||
|
else
|
||||||
|
alpha=0xff;
|
||||||
|
|
||||||
|
fx = spritedata[offs+4]&0x8000;
|
||||||
|
fy = spritedata[offs+5]&0x8000;
|
||||||
|
|
||||||
|
// if (spritedata[offs+0]&0x400)
|
||||||
|
if (layout_ram[0]&0x2000)
|
||||||
|
lookup_ram = dragngun_sprite_lookup_1_ram + (layout_ram[0]&0x1fff);
|
||||||
|
else
|
||||||
|
lookup_ram = dragngun_sprite_lookup_0_ram + (layout_ram[0]&0x1fff);
|
||||||
|
|
||||||
|
zoomx=scalex * 0x10000 / (w*16);
|
||||||
|
zoomy=scaley * 0x10000 / (h*16);
|
||||||
|
|
||||||
|
if (!fy)
|
||||||
|
ypos=(sy<<16) - (by*zoomy); /* The block offset scales with zoom, the base position does not */
|
||||||
|
else
|
||||||
|
ypos=(sy<<16) + (by*zoomy) - (16*zoomy);
|
||||||
|
|
||||||
|
for (y=0; y<h; y++) {
|
||||||
|
if (!fx)
|
||||||
|
xpos=(sx<<16) - (bx*zoomx); /* The block offset scales with zoom, the base position does not */
|
||||||
|
else
|
||||||
|
xpos=(sx<<16) + (bx*zoomx) - (16*zoomx);
|
||||||
|
|
||||||
|
for (x=0; x<w; x++) {
|
||||||
|
int bank,sprite;
|
||||||
|
|
||||||
|
sprite = ((*(lookup_ram++))&0x3fff);
|
||||||
|
|
||||||
|
/* High bits of the sprite reference into the sprite control bits for banking */
|
||||||
|
switch (sprite&0x3000) {
|
||||||
|
default:
|
||||||
|
case 0x0000: sprite=(sprite&0xfff) | ((dragngun_sprite_ctrl&0x000f)<<12); break;
|
||||||
|
case 0x1000: sprite=(sprite&0xfff) | ((dragngun_sprite_ctrl&0x00f0)<< 8); break;
|
||||||
|
case 0x2000: sprite=(sprite&0xfff) | ((dragngun_sprite_ctrl&0x0f00)<< 4); break;
|
||||||
|
case 0x3000: sprite=(sprite&0xfff) | ((dragngun_sprite_ctrl&0xf000)<< 0); break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Because of the unusual interleaved rom layout, we have to mangle the bank bits
|
||||||
|
even further to suit our gfx decode */
|
||||||
|
switch (sprite&0xf000) {
|
||||||
|
case 0x0000: sprite=0xc000 | (sprite&0xfff); break;
|
||||||
|
case 0x1000: sprite=0xd000 | (sprite&0xfff); break;
|
||||||
|
case 0x2000: sprite=0xe000 | (sprite&0xfff); break;
|
||||||
|
case 0x3000: sprite=0xf000 | (sprite&0xfff); break;
|
||||||
|
|
||||||
|
case 0xc000: sprite=0x0000 | (sprite&0xfff); break;
|
||||||
|
case 0xd000: sprite=0x1000 | (sprite&0xfff); break;
|
||||||
|
case 0xe000: sprite=0x2000 | (sprite&0xfff); break;
|
||||||
|
case 0xf000: sprite=0x3000 | (sprite&0xfff); break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (sprite&0x8000) bank=4; else bank=3;
|
||||||
|
sprite&=0x7fff;
|
||||||
|
|
||||||
|
if (zoomx!=0x10000 || zoomy!=0x10000)
|
||||||
|
dragngun_drawgfxzoom(
|
||||||
|
bitmap,cliprect,m_gfxdecode->gfx(bank),
|
||||||
|
sprite,
|
||||||
|
colour,
|
||||||
|
fx,fy,
|
||||||
|
xpos>>16,ypos>>16,
|
||||||
|
15,zoomx,zoomy,NULL,0,
|
||||||
|
((xpos+(zoomx<<4))>>16) - (xpos>>16), ((ypos+(zoomy<<4))>>16) - (ypos>>16), alpha );
|
||||||
|
else
|
||||||
|
m_gfxdecode->gfx(bank)->alpha(bitmap,cliprect,
|
||||||
|
sprite,
|
||||||
|
colour,
|
||||||
|
fx,fy,
|
||||||
|
xpos>>16,ypos>>16,
|
||||||
|
15,alpha);
|
||||||
|
|
||||||
|
if (fx)
|
||||||
|
xpos-=zoomx<<4;
|
||||||
|
else
|
||||||
|
xpos+=zoomx<<4;
|
||||||
|
}
|
||||||
|
if (fy)
|
||||||
|
ypos-=zoomy<<4;
|
||||||
|
else
|
||||||
|
ypos+=zoomy<<4;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
38
src/mame/video/deco_zoomspr.h
Normal file
38
src/mame/video/deco_zoomspr.h
Normal file
@ -0,0 +1,38 @@
|
|||||||
|
|
||||||
|
|
||||||
|
class deco_zoomspr_device : public device_t
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
deco_zoomspr_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||||
|
|
||||||
|
static void static_set_palette_tag(device_t &device, const char *tag);
|
||||||
|
static void static_set_gfxdecode_tag(device_t &device, const char *tag);
|
||||||
|
|
||||||
|
void dragngun_draw_sprites(bitmap_rgb32 &bitmap, const rectangle &cliprect, const UINT32 *spritedata, UINT32* dragngun_sprite_layout_0_ram, UINT32* dragngun_sprite_layout_1_ram, UINT32* dragngun_sprite_lookup_0_ram, UINT32* dragngun_sprite_lookup_1_ram, UINT32 dragngun_sprite_ctrl);
|
||||||
|
|
||||||
|
|
||||||
|
protected:
|
||||||
|
virtual void device_start();
|
||||||
|
virtual void device_reset();
|
||||||
|
|
||||||
|
private:
|
||||||
|
required_device<palette_device> m_palette;
|
||||||
|
required_device<gfxdecode_device> m_gfxdecode;
|
||||||
|
|
||||||
|
void dragngun_drawgfxzoom(
|
||||||
|
bitmap_rgb32 &dest_bmp, const rectangle &clip, gfx_element *gfx,
|
||||||
|
UINT32 code, UINT32 color, int flipx, int flipy, int sx, int sy,
|
||||||
|
int transparent_color,
|
||||||
|
int scalex, int scaley, bitmap_ind8 *pri_buffer, UINT32 pri_mask, int sprite_screen_width, int sprite_screen_height, UINT8 alpha);
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
extern const device_type DECO_ZOOMSPR;
|
||||||
|
|
||||||
|
#define MCFG_DECO_ZOOMSPR_PALETTE(_palette_tag) \
|
||||||
|
deco_zoomspr_device::static_set_palette_tag(*device, "^" _palette_tag);
|
||||||
|
|
||||||
|
#define MCFG_DECO_ZOOMSPR_GFXDECODE(_gfxtag) \
|
||||||
|
deco_zoomspr_device::static_set_gfxdecode_tag(*device, "^" _gfxtag);
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user