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thoop2.cpp: Fix sprite vs sprite priority

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Move virtual functions in protected: section
This commit is contained in:
cam900 2021-02-16 10:21:20 +09:00
parent 61e0c1d4da
commit dd01c730dd
3 changed files with 59 additions and 77 deletions
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4
src/mame/drivers/thoop2.cpp
View File

@ -8,10 +8,6 @@ Driver by Manuel Abadia <emumanu+mame@gmail.com>
updated by Peter Ferrie <peter.ferrie@gmail.com>
There is a priority bug on the title screen (Gaelco logo is hidden by black
borders) It seems sprite priority is hacked around on most of the older
Gaelco drivers.
REF.940411
+-------------------------------------------------+

12
src/mame/includes/thoop2.h
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@ -28,6 +28,10 @@ public:
void thoop2(machine_config &config);
protected:
virtual void machine_start() override;
virtual void video_start() override;
private:
void oki_bankswitch_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(coin1_lockout_w);
@ -46,14 +50,8 @@ private:
void oki_map(address_map &map);
void thoop2_map(address_map &map);
virtual void machine_start() override;
virtual void video_start() override;
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void sort_sprites();
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, int pri);
int m_sprite_count[5];
std::unique_ptr<int[]> m_sprite_table[5];
tilemap_t *m_pant[2];
required_device<cpu_device> m_maincpu;

120
src/mame/video/thoop2.cpp
View File

@ -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);
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_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_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 | 2,0);
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_LAYER1 | 2, 1);
m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 2, 1);
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_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 | 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_LAYER1 | 1, 2);
m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 1, 2);
draw_sprites(bitmap,cliprect,4);
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 | 0, 4);
m_pant[0]->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1 | 0, 4);
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(screen, bitmap, cliprect);
return 0;
}