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-rw-r--r--source/tile.cpp250
1 files changed, 191 insertions, 59 deletions
diff --git a/source/tile.cpp b/source/tile.cpp
index e18182d..653a6d7 100644
--- a/source/tile.cpp
+++ b/source/tile.cpp
@@ -764,15 +764,18 @@ static void WRITE_4PIXELS16_ADD (uint32 Offset, uint8 *Pixels, uint16 *ScreenCol
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -789,15 +792,18 @@ static void WRITE_4PIXELS16_FLIPPED_ADD (uint32 Offset, uint8 *Pixels, uint16 *S
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[3 - N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -814,15 +820,18 @@ static void WRITE_4PIXELS16_ADD1_2 (uint32 Offset, uint8 *Pixels, uint16 *Screen
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) (COLOR_ADD1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]));
- else
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) (COLOR_ADD1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]));
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -839,15 +848,18 @@ static void WRITE_4PIXELS16_FLIPPED_ADD1_2 (uint32 Offset, uint8 *Pixels, uint16
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[3 - N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) (COLOR_ADD1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]));
- else
- Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) (COLOR_ADD1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]));
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -864,15 +876,18 @@ static void WRITE_4PIXELS16_SUB (uint32 Offset, uint8 *Pixels, uint16 *ScreenCol
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -889,15 +904,18 @@ static void WRITE_4PIXELS16_FLIPPED_SUB (uint32 Offset, uint8 *Pixels, uint16 *S
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[3 - N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -914,15 +932,18 @@ static void WRITE_4PIXELS16_SUB1_2 (uint32 Offset, uint8 *Pixels, uint16 *Screen
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) COLOR_SUB1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) COLOR_SUB1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -939,15 +960,18 @@ static void WRITE_4PIXELS16_FLIPPED_SUB1_2 (uint32 Offset, uint8 *Pixels, uint16
{
if (GFX.Z1 > Depth [N] && (Pixel = Pixels[3 - N]))
{
- if (SubDepth [N])
+ switch (SubDepth [N])
{
- if (SubDepth [N] != 1)
- Screen [N] = (uint16) COLOR_SUB1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]);
- else
- Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
- }
- else
+ case 0:
Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = (uint16) COLOR_SUB (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = (uint16) COLOR_SUB1_2 (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
Depth [N] = GFX.Z2;
}
}
@@ -957,10 +981,118 @@ static void WRITE_4PIXELS16_FLIPPED_SUB1_2 (uint32 Offset, uint8 *Pixels, uint16
void DrawTile16Add (uint32 Tile, uint32 Offset, uint32 StartLine,
uint32 LineCount)
{
- TILE_PREAMBLE
- register uint8 *bp;
+ TILE_PREAMBLE
+ register uint8 *bp;
+ uint8 Pixel;
+ uint16 *Screen = (uint16 *) GFX.S + Offset;
+ uint8 *Depth = GFX.ZBuffer + Offset;
+ uint8 *SubDepth = GFX.SubZBuffer + Offset;
- RENDER_TILE(WRITE_4PIXELS16_ADD, WRITE_4PIXELS16_FLIPPED_ADD, 4)
+ switch (Tile & (V_FLIP | H_FLIP))
+ {
+ case 0:
+ bp = pCache + StartLine;
+ for (l = LineCount; l != 0; l--, bp += 8, Screen += GFX.PPL, Depth += GFX.PPL, SubDepth += GFX.PPL)
+ {
+ for (uint8 N = 0; N < 8; N++)
+ {
+ if (GFX.Z1 > Depth [N] && (Pixel = bp[N]))
+ {
+ switch (SubDepth [N])
+ {
+ case 0:
+ Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
+ Depth [N] = GFX.Z2;
+ }
+ }
+ }
+ break;
+ case H_FLIP:
+ bp = pCache + StartLine;
+ for (l = LineCount; l != 0; l--, bp += 8, Screen += GFX.PPL, Depth += GFX.PPL, SubDepth += GFX.PPL)
+ {
+ for (uint8 N = 0; N < 8; N++)
+ {
+ if (GFX.Z1 > Depth [N] && (Pixel = bp[7 - N]))
+ {
+ switch (SubDepth [N])
+ {
+ case 0:
+ Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
+ Depth [N] = GFX.Z2;
+ }
+ }
+ }
+ break;
+ case H_FLIP | V_FLIP:
+ bp = pCache + 56 - StartLine;
+ for (l = LineCount; l != 0; l--, bp -= 8, Screen += GFX.PPL, Depth += GFX.PPL, SubDepth += GFX.PPL)
+ {
+ for (uint8 N = 0; N < 8; N++)
+ {
+ if (GFX.Z1 > Depth [N] && (Pixel = bp[7 - N]))
+ {
+ switch (SubDepth [N])
+ {
+ case 0:
+ Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
+ Depth [N] = GFX.Z2;
+ }
+ }
+ }
+ break;
+ case V_FLIP:
+ bp = pCache + 56 - StartLine;
+ for (l = LineCount; l != 0; l--, bp -= 8, Screen += GFX.PPL, Depth += GFX.PPL, SubDepth += GFX.PPL)
+ {
+ for (uint8 N = 0; N < 8; N++)
+ {
+ if (GFX.Z1 > Depth [N] && (Pixel = bp[N]))
+ {
+ switch (SubDepth [N])
+ {
+ case 0:
+ Screen [N] = ScreenColors [Pixel];
+ break;
+ case 1:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], GFX.FixedColour);
+ break;
+ default:
+ Screen [N] = COLOR_ADD (ScreenColors [Pixel], Screen [GFX.Delta + N]);
+ break;
+ }
+ Depth [N] = GFX.Z2;
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
void DrawClippedTile16Add (uint32 Tile, uint32 Offset,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 02:30:29 +0000