mirrors/OpenRCT2
1
0
Fork 0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-28 09:14:58 +01:00
Code Issues Releases Wiki Activity

Finish clip string

Browse Source
This commit is contained in:
ZedThree
2014-05-29 23:30:05 +02:00
parent 9c9ece2d7b
commit 1dc794b038
1 changed files with 31 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
src/gfx.c
View File

@@ -1118,30 +1118,35 @@ int gfx_get_string_width(char *buffer)
}
/**
* Clip the text in buffer to width and return the new width of the clipped string
* Clip the text in buffer to width, add ellipsis and return the new width of the clipped string
*
* rct2: 0x006C2460
* buffer (esi)
* width (edi)
*/
int gfx_clip_string(char *buffer, int width)
int gfx_clip_string(char* buffer, int width)
{
uint16 base;
int edx, ebp;
int max_x;
// Location of font sprites
uint16 current_font_sprite_base;
// Width the string has to fit into
int max_width;
// Character to change to ellipsis
char* last_char;
// Width of the string, including ellipsis
int clipped_width;
if (width < 6) {
*buffer = 0;
return 0;
}
base = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
edx = width - (3 * RCT2_ADDRESS(0x141E9F6, uint32)[base]);
current_font_sprite_base = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
max_width = width - (3 * RCT2_ADDRESS(0x141E9F6, uint8)[current_font_sprite_base]);
max_x = 0;
ebp = buffer;
clipped_width = 0;
last_char = buffer;
for (uint8* curr_char = buffer; *curr_char > 0; curr_char++) {
for (char* curr_char = buffer; *curr_char > 0; curr_char++) {
if (*curr_char < 0x20) {
switch(*curr_char) {
case 1:
@@ -1154,19 +1159,19 @@ int gfx_clip_string(char *buffer, int width)
curr_char++;
continue;
case 7:
base = 0x1C0;
current_font_sprite_base = 0x1C0;
break;
case 8:
base = 0x2A0;
current_font_sprite_base = 0x2A0;
break;
case 9:
base = 0x0E0;
current_font_sprite_base = 0x0E0;
break;
case 0x0A:
base = 0;
current_font_sprite_base = 0;
break;
case 0x17:
max_x = RCT2_ADDRESS(RCT2_ADDRESS_G1_ELEMENTS + 4, uint16)[(*curr_char & 0x7FFFF) << 4];
clipped_width = RCT2_ADDRESS(RCT2_ADDRESS_G1_ELEMENTS + 4, uint16)[(*curr_char & 0x7FFFF) << 4];
curr_char += 4;
*curr_char = 0;
continue;
@@ -1181,26 +1186,23 @@ int gfx_clip_string(char *buffer, int width)
curr_char += 2;
continue;
}
edx = RCT2_ADDRESS(0x141E9F6, uint32)[base];
edx = width - (3 * RCT2_ADDRESS(0x141E9F6, uint32)[base]);
max_width = width - (3 * RCT2_ADDRESS(0x141E9F6, uint8)[current_font_sprite_base]);
}
max_x += (RCT2_ADDRESS(0x0141E9E8, uint8)[base] & 0xFF);
clipped_width += RCT2_ADDRESS(0x0141E9E8, uint8)[current_font_sprite_base + (*curr_char-0x20)];
if (max_x > width) {
RCT2_GLOBAL(ebp + 0, uint32) = 0x2E2E2E;
max_x = width;
return;
if (clipped_width >= width) {
RCT2_GLOBAL(last_char, uint32) = 0x2E2E2E;
clipped_width = width;
return clipped_width;
}
if (max_x <= edx) {
ebp = curr_char;
if (clipped_width <= max_width) {
last_char = curr_char;
}
}
return max_x;
return clipped_width;
}
/**
* Draws i formatted text string left aligned at i specified position but clips
* the text with an elipsis if the text width exceeds the specified width.
@@ -1224,8 +1226,8 @@ void gfx_draw_string_left_clipped(rct_drawpixelinfo* dpi, int format, void* args
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16) = 0xE0;
// Clip text
RCT2_CALLPROC_X(0x006C2460, 0, 0, 0, 0, (int)buffer, width, 0);
// Clip text - return value is not needed
gfx_clip_string(buffer, width);
gfx_draw_string(dpi, buffer, colour, x, y);
}