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started decompile of paint quadrant function

This commit is contained in:
Duncan 2014-07-30 12:32:07 +01:00 committed by Duncan Frost
parent ce1717c626
commit 7a04adfdb1
1 changed files with 41 additions and 17 deletions
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58
src/viewport.c
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@ -267,10 +267,34 @@ void sub_0x68615B(int ebp){
RCT2_GLOBAL(0xF1AD24, uint32) = 0;
}
/**
* Paint Quadrant
* rct2: 0x0069E8B0
*/
void sub_0x69E8B0(int eax, int ecx){
if (RCT2_GLOBAL(0x9DEA6F,uint8) & 1) return;
rct_drawpixelinfo* dpi = RCT2_GLOBAL(0x140E9A8,rct_drawpixelinfo*);
if (RCT2_GLOBAL(0x141E9E4,uint16) & 0x4000)return;
if (dpi->zoom_level > 2) return;
if (eax > 0x2000)return;
if (ecx > 0x2000)return;
//push eax, ecx
eax = (eax&0x1FE0)<<3 | (ecx>>5);
eax = RCT2_ADDRESS(0xF1EF60, uint16)[eax];
if (eax == 0xFFFF) return;
//0x69E915
RCT2_CALLPROC_X(0x69E8B0, eax, 0, ecx, 0, 0, 0, 0);
}
/**
*
* rct2: 0x0068615B
* ebp: ebp
*/
void sub_0x68B6C2(){
rct_drawpixelinfo* dpi = RCT2_GLOBAL(0x140E9A8, rct_drawpixelinfo*);
@ -294,16 +318,16 @@ void sub_0x68B6C2(){
dx >>= 5;
for (int i = dx; i > 0; --i){
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
cx += 0x20;
ax -= 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
cx -= 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
cx += 0x20;
}
break;
@ -326,16 +350,16 @@ void sub_0x68B6C2(){
dx >>= 5;
for (int i = dx; i > 0; i--){
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax -= 0x20;
cx -= 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
cx += 0x20;
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
cx += 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax -= 0x20;
}
break;
@ -357,16 +381,16 @@ void sub_0x68B6C2(){
dx >>= 5;
for (int i = dx; i > 0; i--){
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
cx -= 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax -= 0x20;
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax -= 0x20;
cx += 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
cx -= 0x20;
}
break;
@ -389,16 +413,16 @@ void sub_0x68B6C2(){
dx >>= 5;
for (int i = dx; i > 0; i--){
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
cx += 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
cx -= 0x20;
RCT2_CALLPROC_X(0x68B35F, ax, 0, cx, 0, 0, 0, 0);
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax -= 0x20;
cx -= 0x20;
RCT2_CALLPROC_X(0x69E8B0, ax, 0, cx, 0, 0, 0, 0);
sub_0x69E8B0(ax, cx);
ax += 0x20;
}
break;