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namcond1.cpp: enabled preliminary ROZ effects in ygv608 core [Angelo Salese]

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(out-of-whatsnew: needs testing and references, they are certainly off for e.g. Galaga Arrange Challenge Stages)
This commit is contained in:
angelosa 2017-01-30 16:29:31 +01:00
parent 7b49234487
commit 502129c5b5
2 changed files with 41 additions and 50 deletions
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88
src/mame/video/ygv608.cpp
View File

@ -38,7 +38,6 @@
#define _ENABLE_SCROLLX
#define _ENABLE_SCROLLY
//#define _ENABLE_SCREEN_RESIZE
//#define _ENABLE_ROTATE_ZOOM
//#define _SHOW_VIDEO_DEBUG
#define GFX_8X8_4BIT 0
@ -831,6 +830,35 @@ static const char *const mode[] = {
static const char *const psize[] = { "8x8", "16x16", "32x32", "64x64" };
#endif
inline void ygv608_device::draw_layer_roz(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, tilemap_t *source_tilemap)
{
int xc, yc;
double r, alpha, sin_theta, cos_theta;
const rectangle &visarea = screen.visible_area();
if( m_regs.s.r7 & r7_zron )
{
/*
* fudge - translate ax,ay to startx, starty each time
*/
xc = m_ax >> 16;
yc = m_ay >> 16;
r = sqrt( (double)( xc * xc + yc * yc ) );
alpha = atan( (double)xc / (double)yc );
sin_theta = (double)m_dyx / (double)0x10000;
cos_theta = (double)m_dx / (double)0x10000;
source_tilemap->draw_roz(screen, bitmap, cliprect,
( visarea.min_x << 16 ) + m_ax + 0x10000 * r * ( -sin( alpha ) * cos_theta + cos( alpha ) * sin_theta ),
( visarea.min_y << 16 ) + m_ay + 0x10000 * r * ( cos( alpha ) * cos_theta + sin( alpha ) * sin_theta ),
m_dx, m_dxy, m_dyx, m_dy, true, 0, 0 );
}
else
source_tilemap->draw(screen, bitmap, cliprect, 0, 0 );
}
uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
#ifdef _SHOW_VIDEO_DEBUG
@ -838,10 +866,6 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
#endif
#ifdef _ENABLE_SCROLLY
int col;
#endif
#ifdef _ENABLE_ROTATE_ZOOM
int xc, yc;
double r, alpha, sin_theta, cos_theta;
#endif
rectangle finalclip;
const rectangle &visarea = screen.visible_area();
@ -849,11 +873,11 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
// clip to the current bitmap
finalclip.set(0, screen.width() - 1, 0, screen.height() - 1);
finalclip &= cliprect;
bitmap.fill(0, visarea );
// punt if not initialized
if (m_page_x == 0 || m_page_y == 0)
{
bitmap.fill(0, finalclip);
return 0;
}
@ -951,7 +975,6 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
* now we can render the screen
*/
#if 1
// LBO - need to implement proper pen marking for sprites as well as set aside a non-transparent
// pen to be used for background fills when plane B is disabled.
if ((m_regs.s.r7 & r7_md) & MD_1PLANE)
@ -961,34 +984,11 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
// m_work_bitmap.fill(1, *visarea);
}
else
#endif
m_tilemap_B->draw(screen, m_work_bitmap, finalclip, 0, 0 );
#ifdef _ENABLE_ROTATE_ZOOM
/*
* fudge - translate ax,ay to startx, starty each time
*/
xc = m_ax >> 16;
yc = m_ay >> 16;
r = sqrt( (double)( xc * xc + yc * yc ) );
alpha = atan( (double)xc / (double)yc );
sin_theta = (double)m_dyx / (double)0x10000;
cos_theta = (double)m_dx / (double)0x10000;
if( m_regs.s.zron )
copyrozbitmap( bitmap, finalclip, &m_work_bitmap,
( visarea.min_x << 16 ) +
m_ax + 0x10000 * r *
( -sin( alpha ) * cos_theta + cos( alpha ) * sin_theta ),
( visarea.min_y << 16 ) +
m_ay + 0x10000 * r *
( cos( alpha ) * cos_theta + sin( alpha ) * sin_theta ),
m_dx, m_dxy, m_dyx, m_dy, 0);
else
#endif
copybitmap( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip);
{
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_B);
copybitmap( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip);
}
// for some reason we can't use an opaque m_tilemap_A
// so use a transparent but clear the work bitmap first
@ -999,19 +999,9 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
(m_regs.s.r11 & r11_prm) == PRM_ASEBDX )
draw_sprites(bitmap, finalclip);
m_tilemap_A->draw(screen, m_work_bitmap, finalclip, 0, 0 );
#ifdef _ENABLE_ROTATE_ZOOM
if( m_regs.s.zron )
copyrozbitmap_trans( bitmap, finalclip, &m_work_bitmap,
m_ax, // + ( visarea.min_x << 16 ),
m_ay, // + ( visarea.min_y << 16 ),
m_dx, m_dxy, m_dyx, m_dy, 0,
0 );
else
#endif
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0 );
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_A);
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
if ((m_regs.s.r11 & r11_prm) == PRM_SABDEX ||
(m_regs.s.r11 & r11_prm) == PRM_SEABDX)
draw_sprites(bitmap,finalclip );

3
src/mame/video/ygv608.h
View File

@ -312,7 +312,8 @@ private:
void postload();
void register_state_save();
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_layer_roz(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, tilemap_t *source_tilemap);
uint8_t m_namcond1_gfxbank;
tilemap_t *m_tilemap_A_cache_8[3];