diff options
Diffstat (limited to 'src/mame/video/thoop2.cpp')
-rw-r--r-- | src/mame/video/thoop2.cpp | 120 |
1 files changed, 54 insertions, 66 deletions
diff --git a/src/mame/video/thoop2.cpp b/src/mame/video/thoop2.cpp index 3e70a6e1243..debb6007d94 100644 --- a/src/mame/video/thoop2.cpp +++ b/src/mame/video/thoop2.cpp @@ -13,7 +13,7 @@ #include "emu.h" #include "includes/thoop2.h" - +#include "screen.h" /*************************************************************************** @@ -75,13 +75,6 @@ void thoop2_state::video_start() m_pant[0]->set_transmask(0,0xff01,0x00ff); /* pens 1-7 opaque, pens 0, 8-15 transparent */ m_pant[1]->set_transmask(0,0xff01,0x00ff); /* pens 1-7 opaque, pens 0, 8-15 transparent */ - - for (int i = 0; i < 5; i++){ - m_sprite_table[i] = std::make_unique<int[]>(512); - save_pointer(NAME(m_sprite_table[i]), 512, i); - } - - save_item(NAME(m_sprite_count)); } /*************************************************************************** @@ -90,30 +83,6 @@ void thoop2_state::video_start() ***************************************************************************/ -void thoop2_state::sort_sprites() -{ - m_sprite_count[0] = 0; - m_sprite_count[1] = 0; - m_sprite_count[2] = 0; - m_sprite_count[3] = 0; - m_sprite_count[4] = 0; - - for (int i = 3; i < (0x1000 - 6)/2; i += 4){ - int color = (m_spriteram[i+2] & 0x7e00) >> 9; - int priority = (m_spriteram[i] & 0x3000) >> 12; - - /* palettes 0x38-0x3f are used for high priority sprites in Big Karnak */ - if (color >= 0x38){ - m_sprite_table[4][m_sprite_count[4]] = i; - m_sprite_count[4]++; - } - - /* save sprite number in the proper array for later */ - m_sprite_table[priority][m_sprite_count[priority]] = i; - m_sprite_count[priority]++; - } -} - /* Sprite Format ------------- @@ -133,44 +102,64 @@ void thoop2_state::sort_sprites() 3 | xxxxxxxx xxxxxx-- | sprite code (low bits) */ -void thoop2_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, int pri) +void thoop2_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { - int j, x, y, ex, ey; + int i, x, y, ex, ey; gfx_element *gfx = m_gfxdecode->gfx(0); static const int x_offset[2] = {0x0,0x2}; static const int y_offset[2] = {0x0,0x1}; - for (j = 0; j < m_sprite_count[pri]; j++){ - int i = m_sprite_table[pri][j]; + for (i = 0x800 - 4 - 1; i >= 3; i -= 4) + { int sx = m_spriteram[i+2] & 0x01ff; int sy = (240 - (m_spriteram[i] & 0x00ff)) & 0x00ff; int number = m_spriteram[i+3]; int color = (m_spriteram[i+2] & 0x7e00) >> 9; int attr = (m_spriteram[i] & 0xfe00) >> 9; + int priority = (m_spriteram[i] & 0x3000) >> 12; int xflip = attr & 0x20; int yflip = attr & 0x40; - int spr_size; + int spr_size, pri_mask; + + /* palettes 0x38-0x3f are used for high priority sprites */ + if (color >= 0x38) + priority = 4; + + switch (priority) + { + case 0: pri_mask = 0xff00; break; + case 1: pri_mask = 0xff00 | 0xf0f0; break; + case 2: pri_mask = 0xff00 | 0xf0f0 | 0xcccc; break; + case 3: pri_mask = 0xff00 | 0xf0f0 | 0xcccc | 0xaaaa; break; + default: + case 4: pri_mask = 0; break; + } number |= ((number & 0x03) << 16); - if (attr & 0x04){ + if (attr & 0x04) + { spr_size = 1; } - else{ + else + { spr_size = 2; number &= (~3); } - for (y = 0; y < spr_size; y++){ - for (x = 0; x < spr_size; x++){ + for (y = 0; y < spr_size; y++) + { + for (x = 0; x < spr_size; x++) + { ex = xflip ? (spr_size-1-x) : x; ey = yflip ? (spr_size-1-y) : y; - gfx->transpen(bitmap,cliprect,number + x_offset[ex] + y_offset[ey], + gfx->prio_transpen(bitmap,cliprect,number + x_offset[ex] + y_offset[ey], color,xflip,yflip, - sx-0x0f+x*8,sy+y*8,0); + sx-0x0f+x*8,sy+y*8, + screen.priority(),pri_mask,0); } } } @@ -190,34 +179,33 @@ uint32_t thoop2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap m_pant[1]->set_scrolly(0, m_vregs[2]); m_pant[1]->set_scrollx(0, m_vregs[3]); - sort_sprites(); + screen.priority().fill(0, cliprect); + bitmap.fill(0, cliprect); + + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 3, 0); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 3, 0); + + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 3, 1); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 3, 1); + + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 2, 1); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 2, 1); - bitmap.fill(0, cliprect ); + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 2, 2); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 2, 2); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 3,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 3,0); - draw_sprites(bitmap,cliprect,3); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 3,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 3,0); + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 1, 2); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 1, 2); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 2,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 2,0); - draw_sprites(bitmap,cliprect,2); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 2,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 2,0); + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 1, 4); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 1, 4); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 1,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 1,0); - draw_sprites(bitmap,cliprect,1); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 1,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 1,0); + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 0, 4); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 0, 4); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 0,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 0,0); - draw_sprites(bitmap,cliprect,0); - m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 0,0); - m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 0,0); + m_pant[1]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 0, 8); + m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0 | 0, 8); - draw_sprites(bitmap,cliprect,4); + draw_sprites(screen, bitmap, cliprect); return 0; } |