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Slight adjustment to alpha blending. (Thrusters)

This commit is contained in:
iq_132 2014-09-12 23:15:32 +00:00
parent 9049cad59d
commit f665d1ce3d
1 changed files with 13 additions and 8 deletions
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21
src/burn/drv/pst90s/d_raiden2.cpp
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@ -1456,7 +1456,7 @@ static INT32 MemIndex()
DrvSndROM0 = Next; Next += 0x100000;
DrvSndROM1 = Next; Next += 0x040000;
DrvPalette = (UINT32*)Next; Next += 0x0801 * sizeof(UINT32);
DrvPalette = (UINT32*)Next; Next += 0x0800 * sizeof(UINT32);
bitmap32 = (UINT32*)Next; Next += 320 * 256 * sizeof(UINT32);
DrvAlphaTable = Next; Next += 0x000800;
@ -1487,8 +1487,8 @@ static INT32 MemIndex()
static void DrvCreateAlphaTable()
{
const UINT8 alpha_active[0x20] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x3f, 0x73, 0xff, 0x7c, 0xff, 0xff, 0x4f
const UINT8 alpha_active[0x10] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x3f, 0x73, 0xff, 0x7c, 0xff, 0xff, 0x4f
};
for(int val = 0; val < 0x800; val++) {
@ -1498,6 +1498,11 @@ static void DrvCreateAlphaTable()
DrvAlphaTable[val] = 1;
}
}
if (game_select == 0 || game_select == 1) {
memset (DrvAlphaTable + 0x380, 1, 8); // thrusters in intro (after going vertical)
memset (DrvAlphaTable + 0x3d0, 1, 8); // thrusters in intro (before going vertical)
}
}
static void DrvCreateTransTab()
@ -2351,7 +2356,7 @@ static void draw_single_sprite(INT32 code, INT32 color, INT32 sx, INT32 sy, INT3
static void draw_sprites(INT32 priority)
{
if (layer_enable & 0x10) return; // sprite disable
if (layer_enable & 0x10) return;
UINT16 *sprites = (UINT16*)DrvSprRAM;
UINT16 *source = sprites + sprites_cur_start/2;
@ -2432,13 +2437,13 @@ static INT32 DrvDraw()
bitmap32[i] = 0; // black
}
draw_sprites(0);
if (nBurnLayer & 1) draw_sprites(0);
if (nSpriteEnable & 1) if (~layer_enable & 1) draw_layer(DrvBgRAM, 0, 0x400, bg_bank);
draw_sprites(1);
if (nBurnLayer & 2) draw_sprites(1);
if (nSpriteEnable & 2) if (~layer_enable & 2) draw_layer(DrvMgRAM, 1, 0x600, mg_bank);
draw_sprites(2);
if (nBurnLayer & 4) draw_sprites(2);
if (nSpriteEnable & 4) if (~layer_enable & 4) draw_layer(DrvFgRAM, 2, 0x500, fg_bank);
draw_sprites(3);
if (nBurnLayer & 8) draw_sprites(3);
if (nSpriteEnable & 8) if (~layer_enable & 8) draw_txt_layer();
for (INT32 i = 0; i < nScreenWidth * nScreenHeight; i++) {