mirrors/OpenRCT2
1
0
Fork 0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-19 13:03:11 +01:00
Code Issues Releases Wiki Activity

Clean tunnel drawing

Browse Source
This commit is contained in:
Marijn van der Werf
2016-04-27 08:45:45 +02:00
parent 0c49043417
commit 72e9603ca9
1 changed files with 17 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/interface/paint_surface.c
View File

@@ -700,53 +700,37 @@ void viewport_surface_draw_land_side_bottom(enum edge edge, uint8 height, uint8
// Tunnels
uint8 tunnelType = RCT2_GLOBAL(0x9E3138 + 1, uint8);
uint8 tunnelHeight = stru_97B570[tunnelType][0];
sint16 zOffset = curHeight;
regs.dh = curHeight;
uint32 saved_edx = regs.edx;
uint32 saved_eax = regs.eax;
regs.dh = 0;
regs.dl = curHeight + stru_97B570[tunnelType][0];
if (regs.dl > regs.ah || regs.dl > regs.al) {
regs.dl -= stru_97B570[tunnelType][0];
if ((zOffset + tunnelHeight) > regs.ah || (zOffset + tunnelHeight) > regs.al) {
tunnelType = byte_97B5B0[tunnelType];
} else {
regs.dl -= stru_97B570[tunnelType][0];
}
regs.dx <<= 4;
sint16 imageHeight = regs.dx;
regs.ah = stru_97B570[tunnelType][1];
//save edx
zOffset *= 16;
uint16 boundOffsetZ = regs.dx;
boundOffsetZ += word_97B590[tunnelType];
regs.ah /= 16;
if (boundOffsetZ < 16) {
boundOffsetZ += 16;
regs.ah -= 16;
sint16 boundBoxOffsetZ = zOffset + word_97B590[tunnelType];
sint8 boundBoxLength = stru_97B570[tunnelType][1] * 16;
if (boundBoxOffsetZ < 16) {
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
uint32 image_id = stru_97B640[3][tunnelType];
sub_98197C(image_id, 30, 0, 32, 1, regs.ah, imageHeight, 0, 0, boundOffsetZ, get_current_rotation());
sub_98197C(image_id, 30, 0, 32, 1, boundBoxLength - 1, zOffset, 0, 0, boundBoxOffsetZ, get_current_rotation());
regs.edx = saved_edx;
regs.eax = saved_eax;
// push edx
boundOffsetZ = regs.dh * 16;
sint8 boundHeight = stru_97B570[tunnelType][1] * 16;
boundOffsetZ += word_97B590[tunnelType];
if (boundOffsetZ == 0) {
boundOffsetZ += 16;
boundHeight -= 16;
boundBoxOffsetZ = curHeight * 16;
boundBoxLength = stru_97B570[tunnelType][1] * 16;
boundBoxOffsetZ += word_97B590[tunnelType];
if (boundBoxOffsetZ == 0) {
boundBoxOffsetZ += 16;
boundBoxLength -= 16;
}
image_id = stru_97B640[3][tunnelType] + 1;
sub_98197C(image_id, 30, 0, 32, 1, boundHeight - 1, regs.dh * 16, 0, 31, boundOffsetZ, get_current_rotation());
sub_98197C(image_id, 30, 0, 32, 1, boundBoxLength - 1, curHeight * 16, 0, 31, boundBoxOffsetZ, get_current_rotation());
regs.edx = saved_edx;
regs.eax = saved_eax;
curHeight += stru_97B570[tunnelType][0];
for (int offset = 0; offset <= 0x7E; offset += 4) {