mirrors
/
OpenRCT2
mirror of https://github.com/OpenRCT2/OpenRCT2.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Decompile first path

This commit is contained in:
Marijn van der Werf 2016-02-21 12:02:29 +01:00
parent da631e9009
commit 5fd4025b9b
1 changed files with 119 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

120
src/interface/viewport.c
View File

@ -2636,8 +2636,126 @@ void store_interaction_info(paint_struct *ps)
*
* rct2: 0x00679074
*/
void sub_679074(rct_drawpixelinfo *dpi, int imageId, int x, int y)
void sub_679074(rct_drawpixelinfo *dpi, int imageId, sint16 x, sint16 y)
{
rct_g1_element image = g1Elements[imageId & 0x7FFFF];
switch (dpi->zoom_level) {
case 0:
// TODO: loc_6790A0:
break;
case 1:
if (image.flags & 0x20) {
return;
}
if (!(image.flags & 0x10)) {
dpi->zoom_level--;
dpi->x /= 2;
dpi->y /= 2;
sub_679074(dpi, imageId - image.zoomed_offset, x / 2, y / 2);
dpi->zoom_level++;
dpi->x *= 2;
dpi->y *= 2;
return;
}
RCT2_GLOBAL(0x9E3D08, uint32) = image.offset;
RCT2_GLOBAL(0x9E3D0C, uint32) = image.width;
RCT2_GLOBAL(0x9E3D10, uint32) = image.x_offset;
RCT2_GLOBAL(0x9E3D14, uint32) = image.flags;
if (image.flags & 4) {
// push edi
y--;
// ebp = edi;
// esi = image.offset;
y += image.x_offset;
uint16 width = image.width;
RCT2_GLOBAL(RCT2_ADDRESS_Y_START_POINT_GLOBAL, uint32) = 0;
if (width % 2) {
width--;
if (width == 0) {
return;
}
RCT2_GLOBAL(RCT2_ADDRESS_Y_START_POINT_GLOBAL, uint32)++;
}
// TODO: (y = y/2?)
y &= 0xFFFE;
RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16) = width;
y -= dpi->y;
if (y < 0) {
RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16) += y;
if (RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16) <= 0) {
return;
}
RCT2_GLOBAL(RCT2_ADDRESS_Y_START_POINT_GLOBAL, sint16) -= y;
y = 0;
}
y += RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16);
y--;
if (y > 0) {
// inverse of JLE
RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16) -= y;
if (RCT2_GLOBAL(RCT2_ADDRESS_Y_END_POINT_GLOBAL, sint16) <= 0) {
return;
}
}
sint16 ax = image.width;
RCT2_GLOBAL(RCT2_ADDRESS_X_START_POINT_GLOBAL, sint16) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16) = ax;
x += image.x_offset;
x &= 0xFFFE;
x -= dpi->x;
if (x < 0) {
RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16) += x;
if (RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16) <= 0) {
return;
}
RCT2_GLOBAL(RCT2_ADDRESS_X_START_POINT_GLOBAL, sint16) -= x;
x = 0;
}
x += RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16);
x--;
if (x > 0) {
// inverse of JLE
RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16) -= x;
if (RCT2_GLOBAL(RCT2_ADDRESS_X_END_POINT_GLOBAL, sint16) <= 0) {
return;
}
}
RCT2_CALLPROC_X(0x00679788, 0, 0, 0, 0, image.offset, (int) dpi, (int) dpi);
return;
}
break;
case 2:
// TODO: loc_6798F5
break;
default:
// TODO: loc_679DEE
break;
}
RCT2_CALLPROC_X(0x00679074, 0, imageId, x, y, 0, (int)dpi, 0);
}