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@@ -17,6 +17,7 @@
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#include "strings_func.h"
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#include "core/math_func.hpp"
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#include "settings_type.h"
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#include "core/alloc_func.hpp"
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#include "table/palettes.h"
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#include "table/sprites.h"
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@@ -67,9 +68,9 @@ static byte _string_colorremap[3];
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enum {
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DIRTY_BLOCK_HEIGHT = 8,
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DIRTY_BLOCK_WIDTH = 64,
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DIRTY_BYTES_PER_LINE = MAX_SCREEN_WIDTH / DIRTY_BLOCK_WIDTH,
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};
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static byte _dirty_blocks[DIRTY_BYTES_PER_LINE * MAX_SCREEN_HEIGHT / DIRTY_BLOCK_HEIGHT];
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static uint _dirty_bytes_per_line = 0;
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static byte *_dirty_blocks = NULL;
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void GfxScroll(int left, int top, int width, int height, int xo, int yo)
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{
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@@ -934,6 +935,9 @@ byte GetCharacterWidth(FontSize size, WC
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void ScreenSizeChanged()
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{
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_dirty_bytes_per_line = (_screen.width + DIRTY_BLOCK_WIDTH - 1) / DIRTY_BLOCK_WIDTH;
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_dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * ((_screen.height + DIRTY_BLOCK_HEIGHT - 1) / DIRTY_BLOCK_HEIGHT));
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/* check the dirty rect */
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if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
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if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
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@@ -1059,7 +1063,7 @@ void DrawDirtyBlocks()
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/* First try coalescing downwards */
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do {
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*p = 0;
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p += DIRTY_BYTES_PER_LINE;
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p += _dirty_bytes_per_line;
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bottom += DIRTY_BLOCK_HEIGHT;
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} while (bottom != h && *p != 0);
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@@ -1074,7 +1078,7 @@ void DrawDirtyBlocks()
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/* Check if a full line of dirty flags is set. */
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do {
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if (!*p2) goto no_more_coalesc;
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p2 += DIRTY_BYTES_PER_LINE;
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p2 += _dirty_bytes_per_line;
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} while (--h != 0);
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/* Wohoo, can combine it one step to the right!
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@@ -1085,7 +1089,7 @@ void DrawDirtyBlocks()
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p2 = p;
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do {
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*p2 = 0;
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p2 += DIRTY_BYTES_PER_LINE;
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p2 += _dirty_bytes_per_line;
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} while (--h != 0);
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}
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no_more_coalesc:
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@@ -1104,7 +1108,7 @@ void DrawDirtyBlocks()
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}
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} while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
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} while (b += -(w / DIRTY_BLOCK_WIDTH) + DIRTY_BYTES_PER_LINE, (y += DIRTY_BLOCK_HEIGHT) != h);
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} while (b += -(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
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_invalid_rect.left = w;
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_invalid_rect.top = h;
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@@ -1154,7 +1158,7 @@ void SetDirtyBlocks(int left, int top, i
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left /= DIRTY_BLOCK_WIDTH;
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top /= DIRTY_BLOCK_HEIGHT;
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b = _dirty_blocks + top * DIRTY_BYTES_PER_LINE + left;
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b = _dirty_blocks + top * _dirty_bytes_per_line + left;
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width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
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height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
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@@ -1166,7 +1170,7 @@ void SetDirtyBlocks(int left, int top, i
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do b[--i] = 0xFF; while (i);
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b += DIRTY_BYTES_PER_LINE;
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b += _dirty_bytes_per_line;
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} while (--height != 0);
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}
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