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Added notes to draw_sprite

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Duncan Frost
2014-08-11 19:27:04 +01:00
parent 787340921e
commit 00a9ab9da3
2 changed files with 12 additions and 6 deletions
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16
src/gfx.c
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@@ -914,15 +914,21 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
/**
*
* rct2: 0x0067A28E
* image_id (ebx)
* image_id (ebx)
* image_id as below
* 0b_111X_XXXX_XXXX_XXXX_XXXX_XXXX_XXXX_XXXX image_type
* 0b_XXX1_11XX_XXXX_XXXX_XXXX_XXXX_XXXX_XXXX image_sub_type (unknown pointer)
* 0b_XXX1_1111_XXXX_XXXX_XXXX_XXXX_XXXX_XXXX secondary_colour
* 0b_XXXX_XXXX_1111_1XXX_XXXX_XXXX_XXXX_XXXX primary_colour
* 0b_XXXX_XXXX_XXXX_X111_1111_1111_1111_1111 image_id (offset to g1)
* x (cx)
* y (dx)
* dpi (esi)
* (ebp)
* tertiary_colour (ebp)
*/
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, int ebp)
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour)
{
//RCT2_CALLPROC_X(0x0067A28E, 0, image_id, x, y, 0, (int)dpi, ebp);
//RCT2_CALLPROC_X(0x0067A28E, 0, image_id, x, y, 0, (int)dpi, tertiary_colour);
//return;
int eax = 0, ebx = image_id, ecx = x, edx = y, esi = 0, edi = (int)dpi;
int image_type = (image_id & 0xE0000000) >> 28;
@@ -959,7 +965,7 @@ void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, int ebp
uint32 primary_offset = palette_to_g1_offset[(image_id >> 19) & 0x1F];
uint32 secondary_offset = palette_to_g1_offset[(image_id >> 24) & 0x1F];
uint32 tertiary_offset = palette_to_g1_offset[ebp];
uint32 tertiary_offset = palette_to_g1_offset[tertiary_colour];
rct_g1_element* primary_colour = &RCT2_ADDRESS(RCT2_ADDRESS_G1_ELEMENTS, rct_g1_element)[primary_offset];
rct_g1_element* secondary_colour = &RCT2_ADDRESS(RCT2_ADDRESS_G1_ELEMENTS, rct_g1_element)[secondary_offset];

2
src/gfx.h
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@@ -70,7 +70,7 @@ void gfx_draw_pixel(rct_drawpixelinfo *dpi, int x, int y, int colour);
void gfx_draw_line(rct_drawpixelinfo *dpi, int x1, int y1, int x2, int y2, int colour);
void gfx_fill_rect(rct_drawpixelinfo *dpi, int left, int top, int right, int bottom, int colour);
void gfx_fill_rect_inset(rct_drawpixelinfo* dpi, short left, short top, short right, short bottom, int colour, short _si);
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, int ebp);
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour);
void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint8* palette_pointer, uint8* unknown_pointer);
void gfx_draw_string(rct_drawpixelinfo *dpi, char *buffer, int colour, int x, int y);
void gfx_transpose_palette(int pal, unsigned char product);