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Add sky drawers
This commit is contained in:
Magnus Norddahl
parent
b755f489a3
commit
bc66682860
2 changed files with 398 additions and 1 deletions
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@ -422,24 +422,408 @@ namespace swrenderer
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/////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////
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PalSkyCommand::PalSkyCommand(uint32_t solid_top, uint32_t solid_bottom)
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PalSkyCommand::PalSkyCommand(uint32_t solid_top, uint32_t solid_bottom) : solid_top(solid_top), solid_bottom(solid_bottom)
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{
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{
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using namespace drawerargs;
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_dest = dc_dest;
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_count = dc_count;
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_pitch = dc_pitch;
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for (int col = 0; col < 4; col++)
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{
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_bufplce[col] = bufplce[col];
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_bufplce2[col] = bufplce2[col];
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_bufheight[col] = bufheight[col];
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_vince[col] = vince[col];
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_vplce[col] = vplce[col];
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}
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}
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}
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void DrawSingleSky1PalCommand::Execute(DrawerThread *thread)
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void DrawSingleSky1PalCommand::Execute(DrawerThread *thread)
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{
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{
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uint8_t *dest = _dest;
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int count = _count;
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int pitch = _pitch;
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const uint8_t *source0 = _bufplce[0];
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int textureheight0 = _bufheight[0];
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int32_t frac = _vplce[0];
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int32_t fracstep = _vince[0];
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int start_fade = 2; // How fast it should fade out
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int solid_top_r = RPART(solid_top);
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int solid_top_g = GPART(solid_top);
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int solid_top_b = BPART(solid_top);
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int solid_bottom_r = RPART(solid_bottom);
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int solid_bottom_g = GPART(solid_bottom);
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int solid_bottom_b = BPART(solid_bottom);
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for (int index = 0; index < count; index++)
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{
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uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
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uint8_t fg = source0[sample_index];
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int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
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int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
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if (alpha_top == 256 && alpha_bottom == 256)
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{
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*dest = fg;
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}
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else
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{
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int inv_alpha_top = 256 - alpha_top;
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int inv_alpha_bottom = 256 - alpha_bottom;
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const auto &c = GPalette.BaseColors[fg];
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int c_red = c.r;
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int c_green = c.g;
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int c_blue = c.b;
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c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
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c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
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c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
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c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
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c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
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c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
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*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
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}
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frac += fracstep;
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dest += pitch;
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}
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}
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}
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void DrawSingleSky4PalCommand::Execute(DrawerThread *thread)
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void DrawSingleSky4PalCommand::Execute(DrawerThread *thread)
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{
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{
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uint8_t *dest = _dest;
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int count = _count;
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int pitch = _pitch;
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const uint8_t *source0[4] = { _bufplce[0], _bufplce[1], _bufplce[2], _bufplce[3] };
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int textureheight0 = _bufheight[0];
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const uint32_t *palette = (const uint32_t *)GPalette.BaseColors;
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int32_t frac[4] = { (int32_t)_vplce[0], (int32_t)_vplce[1], (int32_t)_vplce[2], (int32_t)_vplce[3] };
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int32_t fracstep[4] = { (int32_t)_vince[0], (int32_t)_vince[1], (int32_t)_vince[2], (int32_t)_vince[3] };
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uint8_t output[4];
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int start_fade = 2; // How fast it should fade out
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int solid_top_r = RPART(solid_top);
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int solid_top_g = GPART(solid_top);
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int solid_top_b = BPART(solid_top);
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int solid_bottom_r = RPART(solid_bottom);
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int solid_bottom_g = GPART(solid_bottom);
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int solid_bottom_b = BPART(solid_bottom);
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uint32_t solid_top_fill = RGB32k.RGB[(solid_top_r >> 3)][(solid_top_g >> 3)][(solid_top_b >> 3)];
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uint32_t solid_bottom_fill = RGB32k.RGB[(solid_bottom_r >> 3)][(solid_bottom_g >> 3)][(solid_bottom_b >> 3)];
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solid_top_fill = (solid_top_fill << 24) | (solid_top_fill << 16) | (solid_top_fill << 8) | solid_top_fill;
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solid_bottom_fill = (solid_bottom_fill << 24) | (solid_bottom_fill << 16) | (solid_bottom_fill << 8) | solid_bottom_fill;
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// Find bands for top solid color, top fade, center textured, bottom fade, bottom solid color:
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int fade_length = (1 << (24 - start_fade));
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int start_fadetop_y = (-frac[0]) / fracstep[0];
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int end_fadetop_y = (fade_length - frac[0]) / fracstep[0];
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int start_fadebottom_y = ((2 << 24) - fade_length - frac[0]) / fracstep[0];
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int end_fadebottom_y = ((2 << 24) - frac[0]) / fracstep[0];
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for (int col = 1; col < 4; col++)
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{
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start_fadetop_y = MIN(start_fadetop_y, (-frac[0]) / fracstep[0]);
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end_fadetop_y = MAX(end_fadetop_y, (fade_length - frac[0]) / fracstep[0]);
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start_fadebottom_y = MIN(start_fadebottom_y, ((2 << 24) - fade_length - frac[0]) / fracstep[0]);
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end_fadebottom_y = MAX(end_fadebottom_y, ((2 << 24) - frac[0]) / fracstep[0]);
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}
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start_fadetop_y = clamp(start_fadetop_y, 0, count);
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end_fadetop_y = clamp(end_fadetop_y, 0, count);
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start_fadebottom_y = clamp(start_fadebottom_y, 0, count);
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end_fadebottom_y = clamp(end_fadebottom_y, 0, count);
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// Top solid color:
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for (int index = 0; index < start_fadetop_y; index++)
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{
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*((uint32_t*)dest) = solid_top_fill;
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dest += pitch;
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for (int col = 0; col < 4; col++)
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frac[col] += fracstep[col];
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}
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// Top fade:
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for (int index = start_fadetop_y; index < end_fadetop_y; index++)
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{
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for (int col = 0; col < 4; col++)
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{
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uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
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uint8_t fg = source0[col][sample_index];
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uint32_t c = palette[fg];
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int alpha_top = MAX(MIN(frac[col] >> (16 - start_fade), 256), 0);
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int inv_alpha_top = 256 - alpha_top;
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int c_red = RPART(c);
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int c_green = GPART(c);
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int c_blue = BPART(c);
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c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
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c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
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c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
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output[col] = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
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frac[col] += fracstep[col];
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}
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*((uint32_t*)dest) = *((uint32_t*)output);
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dest += pitch;
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}
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// Textured center:
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for (int index = end_fadetop_y; index < start_fadebottom_y; index++)
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{
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for (int col = 0; col < 4; col++)
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{
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uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
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output[col] = source0[col][sample_index];
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frac[col] += fracstep[col];
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}
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*((uint32_t*)dest) = *((uint32_t*)output);
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dest += pitch;
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}
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// Fade bottom:
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for (int index = start_fadebottom_y; index < end_fadebottom_y; index++)
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{
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for (int col = 0; col < 4; col++)
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{
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uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
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uint8_t fg = source0[col][sample_index];
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uint32_t c = palette[fg];
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int alpha_bottom = MAX(MIN(((2 << 24) - frac[col]) >> (16 - start_fade), 256), 0);
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int inv_alpha_bottom = 256 - alpha_bottom;
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int c_red = RPART(c);
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int c_green = GPART(c);
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int c_blue = BPART(c);
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c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
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c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
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c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
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output[col] = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
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frac[col] += fracstep[col];
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}
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*((uint32_t*)dest) = *((uint32_t*)output);
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dest += pitch;
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}
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// Bottom solid color:
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for (int index = end_fadebottom_y; index < count; index++)
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{
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*((uint32_t*)dest) = solid_bottom_fill;
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dest += pitch;
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}
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}
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}
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void DrawDoubleSky1PalCommand::Execute(DrawerThread *thread)
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void DrawDoubleSky1PalCommand::Execute(DrawerThread *thread)
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{
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{
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uint8_t *dest = _dest;
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int count = _count;
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int pitch = _pitch;
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const uint8_t *source0 = _bufplce[0];
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const uint8_t *source1 = _bufplce2[0];
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int textureheight0 = _bufheight[0];
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uint32_t maxtextureheight1 = _bufheight[1] - 1;
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int32_t frac = _vplce[0];
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int32_t fracstep = _vince[0];
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int start_fade = 2; // How fast it should fade out
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int solid_top_r = RPART(solid_top);
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int solid_top_g = GPART(solid_top);
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int solid_top_b = BPART(solid_top);
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int solid_bottom_r = RPART(solid_bottom);
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int solid_bottom_g = GPART(solid_bottom);
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int solid_bottom_b = BPART(solid_bottom);
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for (int index = 0; index < count; index++)
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{
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uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
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uint8_t fg = source0[sample_index];
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if (fg == 0)
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{
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uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
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fg = source1[sample_index2];
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}
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int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
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int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
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if (alpha_top == 256 && alpha_bottom == 256)
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{
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*dest = fg;
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}
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else
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{
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int inv_alpha_top = 256 - alpha_top;
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int inv_alpha_bottom = 256 - alpha_bottom;
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const auto &c = GPalette.BaseColors[fg];
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int c_red = c.r;
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int c_green = c.g;
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int c_blue = c.b;
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c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
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c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
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c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
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c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
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c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
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c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
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*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
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}
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frac += fracstep;
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dest += pitch;
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}
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}
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}
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void DrawDoubleSky4PalCommand::Execute(DrawerThread *thread)
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void DrawDoubleSky4PalCommand::Execute(DrawerThread *thread)
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{
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{
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uint8_t *dest = _dest;
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int count = _count;
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int pitch = _pitch;
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const uint8_t *source0[4] = { _bufplce[0], _bufplce[1], _bufplce[2], _bufplce[3] };
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const uint8_t *source1[4] = { _bufplce2[0], _bufplce2[1], _bufplce2[2], _bufplce2[3] };
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int textureheight0 = _bufheight[0];
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uint32_t maxtextureheight1 = _bufheight[1] - 1;
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const uint32_t *palette = (const uint32_t *)GPalette.BaseColors;
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int32_t frac[4] = { (int32_t)_vplce[0], (int32_t)_vplce[1], (int32_t)_vplce[2], (int32_t)_vplce[3] };
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int32_t fracstep[4] = { (int32_t)_vince[0], (int32_t)_vince[1], (int32_t)_vince[2], (int32_t)_vince[3] };
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uint8_t output[4];
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int start_fade = 2; // How fast it should fade out
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int solid_top_r = RPART(solid_top);
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int solid_top_g = GPART(solid_top);
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int solid_top_b = BPART(solid_top);
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int solid_bottom_r = RPART(solid_bottom);
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int solid_bottom_g = GPART(solid_bottom);
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int solid_bottom_b = BPART(solid_bottom);
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uint32_t solid_top_fill = RGB32k.RGB[(solid_top_r >> 3)][(solid_top_g >> 3)][(solid_top_b >> 3)];
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uint32_t solid_bottom_fill = RGB32k.RGB[(solid_bottom_r >> 3)][(solid_bottom_g >> 3)][(solid_bottom_b >> 3)];
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solid_top_fill = (solid_top_fill << 24) | (solid_top_fill << 16) | (solid_top_fill << 8) | solid_top_fill;
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solid_bottom_fill = (solid_bottom_fill << 24) | (solid_bottom_fill << 16) | (solid_bottom_fill << 8) | solid_bottom_fill;
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// Find bands for top solid color, top fade, center textured, bottom fade, bottom solid color:
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int fade_length = (1 << (24 - start_fade));
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int start_fadetop_y = (-frac[0]) / fracstep[0];
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int end_fadetop_y = (fade_length - frac[0]) / fracstep[0];
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int start_fadebottom_y = ((2 << 24) - fade_length - frac[0]) / fracstep[0];
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int end_fadebottom_y = ((2 << 24) - frac[0]) / fracstep[0];
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for (int col = 1; col < 4; col++)
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{
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start_fadetop_y = MIN(start_fadetop_y, (-frac[0]) / fracstep[0]);
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end_fadetop_y = MAX(end_fadetop_y, (fade_length - frac[0]) / fracstep[0]);
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start_fadebottom_y = MIN(start_fadebottom_y, ((2 << 24) - fade_length - frac[0]) / fracstep[0]);
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end_fadebottom_y = MAX(end_fadebottom_y, ((2 << 24) - frac[0]) / fracstep[0]);
|
||||||
|
}
|
||||||
|
start_fadetop_y = clamp(start_fadetop_y, 0, count);
|
||||||
|
end_fadetop_y = clamp(end_fadetop_y, 0, count);
|
||||||
|
start_fadebottom_y = clamp(start_fadebottom_y, 0, count);
|
||||||
|
end_fadebottom_y = clamp(end_fadebottom_y, 0, count);
|
||||||
|
|
||||||
|
// Top solid color:
|
||||||
|
for (int index = 0; index < start_fadetop_y; index++)
|
||||||
|
{
|
||||||
|
*((uint32_t*)dest) = solid_top_fill;
|
||||||
|
dest += pitch;
|
||||||
|
for (int col = 0; col < 4; col++)
|
||||||
|
frac[col] += fracstep[col];
|
||||||
|
}
|
||||||
|
|
||||||
|
// Top fade:
|
||||||
|
for (int index = start_fadetop_y; index < end_fadetop_y; index++)
|
||||||
|
{
|
||||||
|
for (int col = 0; col < 4; col++)
|
||||||
|
{
|
||||||
|
uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
|
||||||
|
uint8_t fg = source0[col][sample_index];
|
||||||
|
if (fg == 0)
|
||||||
|
{
|
||||||
|
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
|
||||||
|
fg = source1[col][sample_index2];
|
||||||
|
}
|
||||||
|
output[col] = fg;
|
||||||
|
|
||||||
|
uint32_t c = palette[fg];
|
||||||
|
int alpha_top = MAX(MIN(frac[col] >> (16 - start_fade), 256), 0);
|
||||||
|
int inv_alpha_top = 256 - alpha_top;
|
||||||
|
int c_red = RPART(c);
|
||||||
|
int c_green = GPART(c);
|
||||||
|
int c_blue = BPART(c);
|
||||||
|
c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
|
||||||
|
c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
|
||||||
|
c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
|
||||||
|
output[col] = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
|
||||||
|
|
||||||
|
frac[col] += fracstep[col];
|
||||||
|
}
|
||||||
|
*((uint32_t*)dest) = *((uint32_t*)output);
|
||||||
|
dest += pitch;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Textured center:
|
||||||
|
for (int index = end_fadetop_y; index < start_fadebottom_y; index++)
|
||||||
|
{
|
||||||
|
for (int col = 0; col < 4; col++)
|
||||||
|
{
|
||||||
|
uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
|
||||||
|
uint8_t fg = source0[col][sample_index];
|
||||||
|
if (fg == 0)
|
||||||
|
{
|
||||||
|
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
|
||||||
|
fg = source1[col][sample_index2];
|
||||||
|
}
|
||||||
|
output[col] = fg;
|
||||||
|
|
||||||
|
frac[col] += fracstep[col];
|
||||||
|
}
|
||||||
|
|
||||||
|
*((uint32_t*)dest) = *((uint32_t*)output);
|
||||||
|
dest += pitch;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Fade bottom:
|
||||||
|
for (int index = start_fadebottom_y; index < end_fadebottom_y; index++)
|
||||||
|
{
|
||||||
|
for (int col = 0; col < 4; col++)
|
||||||
|
{
|
||||||
|
uint32_t sample_index = (((((uint32_t)frac[col]) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
|
||||||
|
uint8_t fg = source0[col][sample_index];
|
||||||
|
if (fg == 0)
|
||||||
|
{
|
||||||
|
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
|
||||||
|
fg = source1[col][sample_index2];
|
||||||
|
}
|
||||||
|
output[col] = fg;
|
||||||
|
|
||||||
|
uint32_t c = palette[fg];
|
||||||
|
int alpha_bottom = MAX(MIN(((2 << 24) - frac[col]) >> (16 - start_fade), 256), 0);
|
||||||
|
int inv_alpha_bottom = 256 - alpha_bottom;
|
||||||
|
int c_red = RPART(c);
|
||||||
|
int c_green = GPART(c);
|
||||||
|
int c_blue = BPART(c);
|
||||||
|
c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
|
||||||
|
c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
|
||||||
|
c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
|
||||||
|
output[col] = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
|
||||||
|
|
||||||
|
frac[col] += fracstep[col];
|
||||||
|
}
|
||||||
|
*((uint32_t*)dest) = *((uint32_t*)output);
|
||||||
|
dest += pitch;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Bottom solid color:
|
||||||
|
for (int index = end_fadebottom_y; index < count; index++)
|
||||||
|
{
|
||||||
|
*((uint32_t*)dest) = solid_bottom_fill;
|
||||||
|
dest += pitch;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/////////////////////////////////////////////////////////////////////////
|
/////////////////////////////////////////////////////////////////////////
|
||||||
|
|
|
||||||
|
|
@ -67,6 +67,19 @@ namespace swrenderer
|
||||||
public:
|
public:
|
||||||
PalSkyCommand(uint32_t solid_top, uint32_t solid_bottom);
|
PalSkyCommand(uint32_t solid_top, uint32_t solid_bottom);
|
||||||
FString DebugInfo() override { return "PalSkyCommand"; }
|
FString DebugInfo() override { return "PalSkyCommand"; }
|
||||||
|
|
||||||
|
protected:
|
||||||
|
uint32_t solid_top;
|
||||||
|
uint32_t solid_bottom;
|
||||||
|
|
||||||
|
uint8_t *_dest;
|
||||||
|
int _count;
|
||||||
|
int _pitch;
|
||||||
|
const uint8_t *_bufplce[4];
|
||||||
|
const uint8_t *_bufplce2[4];
|
||||||
|
int _bufheight[4];
|
||||||
|
uint32_t _vince[4];
|
||||||
|
uint32_t _vplce[4];
|
||||||
};
|
};
|
||||||
|
|
||||||
class DrawSingleSky1PalCommand : public PalSkyCommand { public: using PalSkyCommand::PalSkyCommand; void Execute(DrawerThread *thread) override; };
|
class DrawSingleSky1PalCommand : public PalSkyCommand { public: using PalSkyCommand::PalSkyCommand; void Execute(DrawerThread *thread) override; };
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue