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- use 8 bit bitmaps for Heretic's startup screen.

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This commit is contained in:
Christoph Oelckers 2022-05-01 14:46:09 +02:00
parent 010f41a3aa
commit 82fe5b8150
1 changed files with 22 additions and 24 deletions
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46
src/common/platform/win32/st_start_util.cpp
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@ -331,7 +331,7 @@ BitmapInfo* StartupBitmap;
#define THERM_X 14 #define THERM_X 14
#define THERM_Y 14 #define THERM_Y 14
#define THERM_LEN 51 #define THERM_LEN 51
#define THERM_COLOR 0xAA // light green #define THERM_COLOR 0xA // light green
// Strife startup screen // Strife startup screen
#define PEASANT_INDEX 0 #define PEASANT_INDEX 0
@ -1041,7 +1041,7 @@ void ST_Util_BitmapColorsFromPlaypal(BitmapInfo* bitmap_info)
BitmapInfo* ST_Util_AllocTextBitmap() BitmapInfo* ST_Util_AllocTextBitmap()
{ {
BitmapInfo* bitmap = ST_Util_CreateBitmap(80 * 8, 25 * 16, 4); BitmapInfo* bitmap = ST_Util_CreateBitmap(80 * 8, 25 * 16, 8);
memcpy(bitmap->bmiColors, TextModePalette, sizeof(TextModePalette)); memcpy(bitmap->bmiColors, TextModePalette, sizeof(TextModePalette));
return bitmap; return bitmap;
} }
@ -1081,41 +1081,39 @@ void ST_Util_DrawTextScreen(BitmapInfo* bitmap_info, const uint8_t* text_screen)
int ST_Util_DrawChar(BitmapInfo* screen, int x, int y, unsigned charnum, uint8_t attrib) int ST_Util_DrawChar(BitmapInfo* screen, int x, int y, unsigned charnum, uint8_t attrib)
{ {
static const uint8_t space[17] = { 16 }; static const uint8_t space[17] = { 16 };
const uint8_t bg_left = attrib & 0x70; const uint8_t bg = (attrib & 0x70) >> 4;
const uint8_t fg = attrib & 0x0F; const uint8_t fg = attrib & 0x0F;
const uint8_t fg_left = fg << 4; const uint8_t color_array[4] = { bg, fg };
const uint8_t bg = bg_left >> 4;
const uint8_t color_array[4] = { (uint8_t)(bg_left | bg), (uint8_t)(attrib & 0x7F), (uint8_t)(fg_left | bg), (uint8_t)(fg_left | fg) };
const uint8_t* src = GetHexChar(charnum); const uint8_t* src = GetHexChar(charnum);
if (!src) src = space; if (!src) src = space;
int size = *src++; int size = *src++;
int pitch = screen->bmiHeader.biWidth >> 1; int pitch = screen->bmiHeader.biWidth;
uint8_t* dest = ST_Util_BitsForBitmap(screen) + x * 4 + y * 16 * pitch; uint8_t* dest = ST_Util_BitsForBitmap(screen) + x * 8 + y * 16 * pitch;
for (y = 0; y <16; ++y) for (y = 0; y <16; ++y)
{ {
uint8_t srcbyte = *src++; uint8_t srcbyte = *src++;
// Pixels 0 and 1 dest[0] = color_array[(srcbyte >> 7) & 1];
dest[0] = color_array[(srcbyte >> 6) & 3]; dest[1] = color_array[(srcbyte >> 6) & 1];
// Pixels 2 and 3 dest[2] = color_array[(srcbyte >> 5) & 1];
dest[1] = color_array[(srcbyte >> 4) & 3]; dest[3] = color_array[(srcbyte >> 4) & 1];
// Pixels 4 and 5 dest[4] = color_array[(srcbyte >> 3) & 1];
dest[2] = color_array[(srcbyte >> 2) & 3]; dest[5] = color_array[(srcbyte >> 2) & 1];
// Pixels 6 and 7 dest[6] = color_array[(srcbyte >> 1) & 1];
dest[3] = color_array[(srcbyte) & 3]; dest[7] = color_array[(srcbyte) & 1];
if (size == 32) if (size == 32)
{ {
srcbyte = *src++; srcbyte = *src++;
// Pixels 0 and 1 dest[8] = color_array[(srcbyte >> 7) & 1];
dest[4] = color_array[(srcbyte >> 6) & 3]; dest[9] = color_array[(srcbyte >> 6) & 1];
// Pixels 2 and 3 dest[10] = color_array[(srcbyte >> 5) & 1];
dest[5] = color_array[(srcbyte >> 4) & 3]; dest[11] = color_array[(srcbyte >> 4) & 1];
// Pixels 4 and 5 dest[12] = color_array[(srcbyte >> 3) & 1];
dest[6] = color_array[(srcbyte >> 2) & 3]; dest[13] = color_array[(srcbyte >> 2) & 1];
// Pixels 6 and 7 dest[14] = color_array[(srcbyte >> 1) & 1];
dest[7] = color_array[(srcbyte) & 3]; dest[15] = color_array[(srcbyte) & 1];
} }
dest += pitch; dest += pitch;
} }