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Finish wrap_string

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This commit is contained in:
ZedThree
2014-06-01 14:52:36 +02:00
parent 1e23390406
commit 46965b0575
1 changed files with 47 additions and 68 deletions
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115
src/gfx.c
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@@ -1432,44 +1432,38 @@ int gfx_clip_string(char* buffer, int width)
* rct2: 0x006C21E2
* buffer (esi)
* width (edi)
* line_height? (ebx)
*/
int gfx_wrap_string(char* buffer, int* width)
int gfx_wrap_string(char* buffer, int* width, int* ebx)
{
int eax, ebx, ecx;
eax = 0;
unsigned int line_width = 0;
rct_g1_element* g1_element;
uint16* current_font_sprite_base = RCT2_ADDRESS(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
RCT2_GLOBAL(0x00F4392E, uint16) = 0;
unsigned int num_lines = 0;
// Unused?
unsigned int max_width = 0;
ecx = 0;
uint16* var_F43930 = RCT2_ADDRESS(0x00F43930, uint16);
*var_F43930 = 0;
uint32* var_F43928;
// loc_6C2200: ; CODE XREF: sub_6C21E2+8Fj
if (ecx > *var_F43930) {
*var_F43930 = ecx;
if (line_width > max_width) {
max_width = line_width;
}
ecx = 0;
line_width = 0;
var_F43928 = RCT2_ADDRESS(0x00F43928, uint32);
*var_F43928 = 0;
// Pointer to the start of the current word
unsigned char* curr_word = NULL;
// Width of line up to current word
unsigned int curr_width;
for (unsigned char* curr_char = buffer; *curr_char != NULL; curr_char++) {
// loc_6C221D: ; CODE XREF: sub_6C21E2+6Cj
for (char* curr_char = buffer; *curr_char != NULL; curr_char++) {
// Remember start of current word and line width up to this word
if (*curr_char == ' ') {
// jnz short loc_6C2239
*var_F43928 = curr_char;
RCT2_GLOBAL(0x00F4392C, uint16) = ecx;
curr_word = curr_char;
curr_width = line_width;
}
// 5 is RCT2 new line?
if (*curr_char != 5) {
if (*curr_char < ' ') {
switch(*curr_char) {
@@ -1509,21 +1503,16 @@ int gfx_wrap_string(char* buffer, int* width)
}
}
ecx += RCT2_ADDRESS(0x0141E9E8, uint8)[*current_font_sprite_base + (*curr_char-0x20)];
line_width += RCT2_ADDRESS(0x0141E9E8, uint8)[*current_font_sprite_base + (*curr_char-0x20)];
// do {
// loc_6C224B: ; CODE XREF: sub_6C21E2+FDj
if (ecx <= *width) {
if (line_width <= *width) {
continue;
}
if (*var_F43928 == 0) {
// jz short loc_6C2273
// loc_6C2273: ; CODE XREF: sub_6C21E2+75j
if (curr_word == 0) {
curr_char--;
char* old_place = curr_char;
char swap_char = 0;
char temp;
unsigned char* old_char = curr_char;
unsigned char swap_char = 0;
unsigned char temp;
// Insert NULL at current character
// Aboslutely no guarantee that this won't overrun!
do {
@@ -1534,46 +1523,36 @@ int gfx_wrap_string(char* buffer, int* width)
} while(swap_char != 0);
*curr_char = swap_char;
curr_char = old_place;
curr_char = old_char;
curr_char++;
RCT2_GLOBAL(0x00F4392E, uint16) += 1;
num_lines += 1;
if (ecx > *var_F43930) {
*var_F43930 = ecx;
if (line_width > max_width) {
max_width = line_width;
}
ecx = 0;
var_F43928 = RCT2_ADDRESS(0x00F43928, uint32);
*var_F43928 = 0;
line_width = 0;
curr_word = 0;
continue;
}
curr_char = *var_F43928;
ecx = RCT2_GLOBAL(0x00F4392C, uint16);
curr_char = curr_word;
line_width = curr_width;
}
// loc_6C2266: ; CODE XREF: sub_6C21E2+59j
RCT2_GLOBAL(0x00F4392E, uint16) += 1;
*(curr_char - 1) = 0;
num_lines += 1;
*curr_char = 0;
// jmp short loc_6C2200
// loc_6C2200: ; CODE XREF: sub_6C21E2+8Fj
if (ecx > *var_F43930) {
*var_F43930 = ecx;
if (line_width > max_width) {
max_width = line_width;
}
ecx = 0;
var_F43928 = RCT2_ADDRESS(0x00F43928, uint32);
*var_F43928 = 0;
continue;
line_width = 0;
curr_word = 0;
}
*width = RCT2_GLOBAL(0x00F4392E, uint16);
if (ecx <= RCT2_GLOBAL(0x00F43930, uint16)) {
ecx = RCT2_GLOBAL(0x00F4392E, uint16);
*width = num_lines;
if (line_width <= max_width) {
line_width = max_width;
}
return ecx;
return line_width;
}
@@ -1699,7 +1678,7 @@ int gfx_draw_string_centred_wrapped(rct_drawpixelinfo *dpi, void *args, int x, i
esi = buffer;
edi = width;
ecx = gfx_wrap_string(esi, &edi);
ecx = gfx_wrap_string(esi, &edi, &ebx);
// RCT2_CALLFUNC_X(0x006C21E2, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
ecx &= 0xFFFF;
edi &= 0xFFFF;
@@ -1732,10 +1711,10 @@ int gfx_draw_string_centred_wrapped(rct_drawpixelinfo *dpi, void *args, int x, i
buffer += strlen(buffer) + 1;
edx += RCT2_GLOBAL(0x00F43938, uint16);
eax = (RCT2_GLOBAL(0x00F43938, uint16) / 2) * edi;
eax = (RCT2_GLOBAL(0x00F43938, uint16) / 2);
ebx -= eax;
} while (ebx > 0);
} while (ebx >= 0);
return (sint16)(edx & 0xFFFF) - y;
}
@@ -1789,7 +1768,7 @@ int gfx_draw_string_left_wrapped(rct_drawpixelinfo *dpi, void *args, int x, int
// not working for strings with colour code?
esi = buffer;
edi = width;
ecx = gfx_wrap_string(esi, &edi);
ecx = gfx_wrap_string(esi, &edi, &ebx);
// RCT2_CALLFUNC_X(0x006C21E2, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
ecx &= 0xFFFF;
edi &= 0xFFFF;