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Added very rough 0x684027 function

This commit is contained in:
Duncan 2014-08-07 13:00:49 +01:00 committed by Duncan Frost
parent 13d95ded35
commit be1d3ff74a
1 changed files with 69 additions and 0 deletions
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69
src/game.c
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@ -129,6 +129,75 @@ const draw_rain_func draw_rain_function[] = {
&draw_heavy_rain // Heavy rain
};
void sub_0x684027(int left, int top, int width, int height, int ebp, int edi, int esi){
int eax = left, ebx = top, ecx = width, edx = height;
ebp = RCT2_ADDRESS(0x9AC010,uint32)[ebp];
RCT2_GLOBAL(0xee7854,uint32) = eax;
RCT2_GLOBAL(0xee7858,uint32) = ebx;
RCT2_GLOBAL(0xee785C,uint32) = ecx;
RCT2_GLOBAL(0xee7860,uint32) = edx;
eax = *((uint8*)ebp);
ebx = *((uint8*)(ebp+1));
RCT2_GLOBAL(0xEE7864,uint32) = eax;
eax--;
ebx--;
RCT2_GLOBAL(0xEE7868,uint32) = eax;
RCT2_GLOBAL(0xEE786C,uint32) = ebx;
edi &= eax;
esi &= ebx;
RCT2_GLOBAL(0xEE7870,uint32) = edi;
ebp+=2;
ebx = RCT2_GLOBAL(0x9ABDD4,uint16);
ebx += RCT2_GLOBAL(0x9ABDD0,uint16);
RCT2_GLOBAL(0xEE7874,uint32) = ebx;
ebx *= top;
ebx += left;
ecx = esi;
edi = RCT2_GLOBAL(0x9AC00C,uint32);
edi <<= 2;
esi = RCT2_GLOBAL(0x9ABDC8,uint32);
edi += 0xEDF850;
//loop at 6840A4
int al = *((uint8*)(ecx*2+ebp));
if (al == 0xFF) continue;
if (RCT2_GLOBAL(0x9AC00C,uint32) > 0x1F38) continue;
//push ebx
//push ecx
eax -= RCT2_GLOBAL(0xEE7870,uint32);
edx = RCT2_GLOBAL(0xEE785C,uint32);
eax &= RCT2_GLOBAL(0xEE7868,uint32);
edx += ebx;
ebx += eax;
if (ebx >= edx)continue;
int ah = *((uint8*)(ecx*2+ebp+1));
ecx = RCT2_GLOBAL(0xEE7864,uint32);
//inner loop
al = ah;
int old_al = al;
al = *((uint8*)(esi+ebx));
*((uint8*)(esi+ebx)) = old_al;
RCT2_GLOBAL(0x9AC00C,uint32)++;
ebx <<= 8;
ebx |= al;
*(uint32*)edi = ebx;
ebx >>= 8;
edi += 4;
ebx += ecx;
if (ebx < edx) inner loop;
//pop ecx
//pop ebx
ecx++;
ebx += RCT2_GLOBAL(0xEE7874,uint32);
ecx &= RCT2_GLOBAL(0xEE786C,uint32);
RCT2_GLOBAL(0xEE7860,uint32)--;
if (RCT2_GLOBAL(0xEE7860,uint32)!= 0) loop;
}
/**
*
* rct2: 0x006ED801