mirrors/OpenRCT2
1
0
Fork 0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2025-12-10 09:32:29 +01:00
Code Issues Releases Wiki Activity

Merge pull request #2089 from Dandandan/optimize

Browse Source 
Cache expression in gfx_rle_sprite_to_buffer
This commit is contained in:
Ted John
2015-10-19 22:10:14 +01:00
parent 485b8d1508 4f4f434c5a
commit acca9c869b
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/drawing/sprite.c
View File

@@ -265,9 +265,11 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
uint8* next_source_pointer;
uint8* next_dest_pointer = dest_bits_pointer;
int line_width = (dpi->width >> zoom_level) + dpi->pitch;
if (source_y_start < 0){
source_y_start += zoom_amount;
next_dest_pointer += dpi->width / zoom_amount + dpi->pitch;
next_dest_pointer += line_width;
height -= zoom_amount;
}
@@ -309,7 +311,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
if (x_start > 0){
//Since the start is positive
//We need to move the drawing surface to the correct position
dest_pointer += x_start / zoom_amount;
dest_pointer += x_start >> zoom_level;
}
else{
//If the start is negative we require to remove part of the image.
@@ -365,7 +367,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
}
//Add a line to the drawing surface pointer
next_dest_pointer += dpi->width / zoom_amount + dpi->pitch;
next_dest_pointer += line_width;
}
}