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marinedt.cpp: preload sea bitmap (nw)

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This commit is contained in:
angelosa 2017-11-01 19:54:44 +01:00
parent 5ad509e4b2
commit 7b18144637
1 changed files with 33 additions and 15 deletions
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48
src/mame/drivers/marinedt.cpp
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@ -137,6 +137,8 @@ private:
required_device<gfxdecode_device> m_gfxdecode;
tilemap_t *m_tilemap;
std::unique_ptr<bitmap_ind16> m_seabitmap;
void init_seabitmap();
};
TILE_GET_INFO_MEMBER(marinedt_state::get_tile_info)
@ -146,18 +148,17 @@ TILE_GET_INFO_MEMBER(marinedt_state::get_tile_info)
SET_TILE_INFO_MEMBER(0, code, 0, 0);
}
void marinedt_state::video_start()
// initialize sea bitmap gradient
void marinedt_state::init_seabitmap()
{
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(marinedt_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
m_tilemap->set_transparent_pen(0);
}
const rectangle clip(32, 256, 32, 256);
m_seabitmap = std::make_unique<bitmap_ind16>(512, 512);
uint32_t marinedt_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
bitmap.fill(64, cliprect);
m_seabitmap->fill(64, clip);
for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
for (int x = 32; x <= cliprect.max_x; x++)
for (int y = clip.min_y; y <= clip.max_y; y++)
{
for (int x = clip.min_x; x <= clip.max_x; x++)
{
// TODO: exact formula (related to total h size?)
uint8_t blue_pen = 0x48 + ((x-32) / 8);
@ -165,8 +166,24 @@ uint32_t marinedt_state::screen_update( screen_device &screen, bitmap_ind16 &bit
if(blue_pen > 0x5f)
blue_pen = 0x5f;
bitmap.pix16(y, x) = blue_pen;
m_seabitmap->pix16(y, x) = blue_pen;
}
}
}
void marinedt_state::video_start()
{
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(marinedt_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
m_tilemap->set_transparent_pen(0);
init_seabitmap();
}
uint32_t marinedt_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
copybitmap(bitmap, *m_seabitmap, 0, 0, 0, 0, cliprect);
m_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
@ -348,6 +365,7 @@ PALETTE_INIT_MEMBER(marinedt_state, marinedt)
palette.set_pen_color(i, rgb_t(r, g, b));
}
for (i = 0; i < 32; i++)
{
@ -410,10 +428,10 @@ ROM_START( marinedt )
ROM_LOAD( "mg13.6h", 0x0000, 0x1000, CRC(17817044) SHA1(8c9b96620e3c414952e6d85c6e81b0df85c88e7a) )
ROM_REGION( 0x0080, "proms", ROMREGION_INVERT )
ROM_LOAD( "mg14.2a", 0x0000, 0x0020, CRC(f75f4e3a) SHA1(36e665987f475c57435fa8c224a2a3ce0c5e672b) )
ROM_LOAD( "mg15.1a", 0x0020, 0x0020, CRC(cd3ab489) SHA1(a77478fb94d0cf8f4317f89cc9579def7c294b4f) )
ROM_LOAD( "mg16.4e", 0x0040, 0x0020, CRC(92c868bc) SHA1(483ae6f47845ddacb701528e82bd388d7d66a0fb) )
ROM_LOAD( "mg17.bpr", 0x0060, 0x0020, CRC(13261a02) SHA1(050edd18e4f79d19d5206f55f329340432fd4099) )
ROM_LOAD( "mg14.2a", 0x0000, 0x0020, CRC(f75f4e3a) SHA1(36e665987f475c57435fa8c224a2a3ce0c5e672b) ) // tilemap colors
ROM_LOAD( "mg15.1a", 0x0020, 0x0020, CRC(cd3ab489) SHA1(a77478fb94d0cf8f4317f89cc9579def7c294b4f) ) // sprite colors
ROM_LOAD( "mg16.4e", 0x0040, 0x0020, CRC(92c868bc) SHA1(483ae6f47845ddacb701528e82bd388d7d66a0fb) ) // (related to sprites)
ROM_LOAD( "mg17.bpr", 0x0060, 0x0020, CRC(13261a02) SHA1(050edd18e4f79d19d5206f55f329340432fd4099) ) // sea bitmap colors
ROM_END
GAME( 1981, marinedt, 0, marinedt, marinedt, marinedt_state, 0, ROT270, "Taito", "Marine Date", MACHINE_IS_SKELETON )
GAME( 1981, marinedt, 0, marinedt, marinedt, marinedt_state, 0, ROT270, "Taito", "Marine Date", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_COLORS | MACHINE_NO_SOUND )