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Draw one top land side

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Marijn van der Werf
2016-04-25 17:15:38 +02:00
parent 91e1f106c6
commit c6ab807ad0
1 changed files with 77 additions and 1 deletions
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78
src/interface/paint_surface.c
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@@ -21,6 +21,7 @@
#include "paint_surface.h"
#include "viewport.h"
#include "../config.h"
#include "../addresses.h"
const uint8 byte_97B444[] = {
0, 2, 1, 3, 8, 10, 9, 11, 4, 6,
@@ -595,6 +596,80 @@ void viewport_surface_smooth_top_right()
}
}
void viewport_surface_draw_land_side_top(enum edge edge, uint16 height)
{
if (edge != EDGE_TOPLEFT) {
return;
}
rct_map_element * esi = _dword_9E324C;
registers regs;
regs.dl = height / 16;
regs.ax = _dword_9E3282;
regs.cx = _dword_9E328A;
// save ecx
if (esi == NULL) {
regs.ah = 1;
regs.ch = 1;
}
// al + cl probably are self tile corners, while ah/ch are neighbour tile corners
if (regs.al <= regs.ah && regs.cl <= regs.ch) {
return;
}
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_VIEWPORT_FLAGS, uint16) & VIEWPORT_FLAG_UNDERGROUND_INSIDE)) {
uint incline = (regs.cl - regs.al) + 1;
uint32 image_id = RCT2_GLOBAL(0x009E32A8, uint32) + 3 + incline; // var_c;
uint8 y = -((regs.al - regs.dl) * 16);
log_info("y: %d", y);
sub_68818E(image_id, 0, y, NULL);
return;
}
uint32 base_image_id = RCT2_GLOBAL(0x009E32A0, uint32) + 5; // var_04
uint8 cur_height = regs.ch;
if (regs.ch != regs.ah) {
// neightbour tile corners aren't level
uint32 image_offset = 3;
if (regs.ch > regs.ah) {
cur_height = regs.ah;
image_offset = 4;
}
if (cur_height != regs.al && cur_height != regs.cl) {
uint32 image_id = base_image_id + image_offset;
sub_98196C(image_id, 0, -2, 30, 0, 15, cur_height * 16, get_current_rotation());
cur_height++;
}
}
regs.ah = regs.cl;
while (cur_height < regs.al && cur_height < regs.ah) {
sub_98196C(base_image_id, 0, -2, 30, 0, 15, cur_height * 16, get_current_rotation());
cur_height++;
}
uint32 image_offset = 1;
if (cur_height >= regs.al) {
image_offset = 2;
if (cur_height >= regs.ah) {
return;
}
}
uint32 image_id = base_image_id + image_offset;
sub_98196C(image_id, 0, -2, 30, 0, 15, cur_height * 16, get_current_rotation());
}
void viewport_surface_draw_land_side(enum edge edge, uint16 height)
{
switch (edge) {
@@ -605,7 +680,8 @@ void viewport_surface_draw_land_side(enum edge edge, uint16 height)
RCT2_CALLPROC_X(0x65F0D8, 0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, height / 16, 0xDDDDDDDD, 0, 0);
break;
case EDGE_TOPLEFT:
RCT2_CALLPROC_X(0x65F63B, 0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, height / 16, 0xDDDDDDDD, 0, 0);
viewport_surface_draw_land_side_top(edge, height);
//RCT2_CALLPROC_X(0x65F63B, 0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, height / 16, 0xDDDDDDDD, 0, 0);
break;
case EDGE_TOPRIGHT:
RCT2_CALLPROC_X(0x65F77D, 0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, height / 16, 0xDDDDDDDD, 0, 0);