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thepit.c - change sprite handling a bit.

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This commit is contained in:
David Haywood 2013-07-22 12:30:03 +00:00
parent 34847974eb
commit babb6dea4d
2 changed files with 24 additions and 12 deletions
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6
src/mame/drivers/thepit.c
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@ -322,9 +322,9 @@ static INPUT_PORTS_START( desertdn )
PORT_DIPSETTING( 0x04, "4" )
PORT_DIPSETTING( 0x08, "5" )
PORT_DIPSETTING( 0x0c, "6" )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) /* Cabinet Type or Bonus ?? */
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x10, DEF_STR( Cocktail ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) /* Cabinet Type or Bonus ?? */
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )

30
src/mame/video/thepit.c
View File

@ -4,6 +4,9 @@
Functions to emulate the video hardware of the machine.
I have a feeling sprite area masking should be done based on tile
attributes, not a custom cliprect.
***************************************************************************/
#include "emu.h"
@ -228,8 +231,6 @@ static void draw_sprites(running_machine &machine,
const rectangle &cliprect,
int priority_to_draw)
{
const rectangle spritevisiblearea(2*8+1, 32*8-1, 2*8, 30*8-1);
const rectangle spritevisibleareaflipx(0*8, 30*8-2, 2*8, 30*8-1);
thepit_state *state = machine.driver_data<thepit_state>();
int offs;
@ -266,11 +267,18 @@ static void draw_sprites(running_machine &machine,
/* sprites 0-3 are drawn one pixel down */
if (offs < 16) y++;
drawgfx_transpen(bitmap, state->m_flip_screen_x ? spritevisibleareaflipx : spritevisiblearea,
drawgfx_transpen(bitmap, cliprect,
machine.gfx[2 * state->m_graphics_bank + 1],
state->m_spriteram[offs + 1] & 0x3f,
state->m_spriteram[offs + 2],
flipx, flipy, x, y, 0);
drawgfx_transpen(bitmap, cliprect,
machine.gfx[2 * state->m_graphics_bank + 1],
state->m_spriteram[offs + 1] & 0x3f,
state->m_spriteram[offs + 2],
flipx, flipy, x-256, y, 0);
}
}
}
@ -278,6 +286,9 @@ static void draw_sprites(running_machine &machine,
UINT32 thepit_state::screen_update_thepit(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
const rectangle spritevisiblearea(2*8+1, 32*8-1, 2*8, 30*8-1);
const rectangle spritevisibleareaflipx(0*8, 30*8-2, 2*8, 30*8-1);
offs_t offs;
for (offs = 0; offs < 32; offs++)
@ -297,13 +308,13 @@ UINT32 thepit_state::screen_update_thepit(screen_device &screen, bitmap_ind16 &b
m_tilemap->draw(bitmap, cliprect, 0, 0);
/* low priority sprites */
draw_sprites(machine(), bitmap, cliprect, 0);
draw_sprites(machine(), bitmap, m_flip_screen_x ? spritevisibleareaflipx : spritevisiblearea, 0);
/* high priority tiles */
m_solid_tilemap->draw(bitmap, cliprect, 1, 1);
/* high priority sprites */
draw_sprites(machine(), bitmap, cliprect, 1);
draw_sprites(machine(), bitmap, m_flip_screen_x ? spritevisibleareaflipx : spritevisiblearea, 1);
return 0;
}
@ -311,7 +322,8 @@ UINT32 thepit_state::screen_update_thepit(screen_device &screen, bitmap_ind16 &b
UINT32 thepit_state::screen_update_desertdan(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
offs_t offs;
const rectangle spritevisiblearea(0*8+1, 24*8-1, 2*8, 30*8-1);
const rectangle spritevisibleareaflipx(8*8, 32*8-2, 2*8, 30*8-1);
for (offs = 0; offs < 32; offs++)
{
@ -332,15 +344,15 @@ UINT32 thepit_state::screen_update_desertdan(screen_device &screen, bitmap_ind16
/* low priority sprites */
m_graphics_bank = 1;
draw_sprites(machine(), bitmap, cliprect, 0);
draw_sprites(machine(), bitmap, m_flip_screen_y ? spritevisibleareaflipx : spritevisiblearea, 0);
/* high priority tiles */
/* high priority tiles */ // not sure about this, draws a white block over the title logo sprite, looks like it should be behind?
m_graphics_bank = 0;
m_solid_tilemap->draw(bitmap, cliprect, 1, 1);
/* high priority sprites */
m_graphics_bank = 1;
draw_sprites(machine(), bitmap, cliprect, 1);
draw_sprites(machine(), bitmap, m_flip_screen_y ? spritevisibleareaflipx : spritevisiblearea, 1);
return 0;
}