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fix #1587

This commit is contained in:
IntelOrca 2015-07-10 20:58:09 +01:00
parent 25cad9d9f1
commit fbf3d6af76
1 changed files with 36 additions and 24 deletions
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60
src/world/footpath.c
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@ -45,6 +45,25 @@ const rct_xy16 word_981D6C[4] = {
{ 0, -1 }
};
// rct2: 0x0097B974
static const uint16 EntranceDirections[] = {
(4 ), 0, 0, 0, 0, 0, 0, 0, // ENTRANCE_TYPE_RIDE_ENTRANCE,
(4 ), 0, 0, 0, 0, 0, 0, 0, // ENTRANCE_TYPE_RIDE_EXIT,
(4 | 1), 0, 0, 0, 0, 0, 0, 0, // ENTRANCE_TYPE_PARK_ENTRANCE
};
static int entrance_get_directions(rct_map_element *mapElement)
{
uint8 entranceType = mapElement->properties.entrance.type;
uint8 sequence = mapElement->properties.entrance.index & 0x0F;
return EntranceDirections[(entranceType * 8) + sequence];
}
static bool entrance_has_direction(rct_map_element *mapElement, int direction)
{
return entrance_get_directions(mapElement) & (1 << direction);
}
/**
*
* rct2: 0x006A65AD
@ -591,11 +610,11 @@ void footpath_bridge_get_info_from_pos(int screenX, int screenY, int *x, int *y,
if (interactionType == VIEWPORT_INTERACTION_ITEM_RIDE
&& viewport->flags & (VIEWPORT_FLAG_UNDERGROUND_INSIDE | VIEWPORT_FLAG_HIDE_BASE | VIEWPORT_FLAG_HIDE_VERTICAL)
&& map_element_get_type(*mapElement) == MAP_ELEMENT_TYPE_ENTRANCE) {
int ebp = (*mapElement)->properties.entrance.type << 4;
int bl = (*mapElement)->properties.entrance.index & 0xF;
if (RCT2_GLOBAL(0x0097B974 + ebp + bl, uint16) & 0xF) {
int bx = bitscanforward(RCT2_GLOBAL(0x0097B974 + ebp + bl, uint16));
&& map_element_get_type(*mapElement) == MAP_ELEMENT_TYPE_ENTRANCE
) {
int directions = entrance_get_directions(*mapElement);
if (directions & 0x0F) {
int bx = bitscanforward(directions);
bx += (*mapElement)->type;
bx &= 3;
if (direction != NULL) *direction = bx;
@ -607,11 +626,9 @@ void footpath_bridge_get_info_from_pos(int screenX, int screenY, int *x, int *y,
*x = map_pos.x;
*y = map_pos.y;
if (interactionType == VIEWPORT_INTERACTION_ITEM_RIDE && map_element_get_type(*mapElement) == MAP_ELEMENT_TYPE_ENTRANCE) {
int ebp = (*mapElement)->properties.entrance.type << 4;
int bl = (*mapElement)->properties.entrance.index & 0xF; // Seems to be always 0?
// The table at 0x0097B974 is only 48 bytes big
if (RCT2_GLOBAL(0x0097B974 + ebp + bl, uint16) & 0xF) {
int bx = bitscanforward(RCT2_GLOBAL(0x0097B974 + ebp + bl, uint16));
int directions = entrance_get_directions(*mapElement);
if (directions & 0x0F) {
int bx = bitscanforward(directions);
bx += (*mapElement)->type; // First two bits seem to contain the direction of entrance/exit
bx &= 3;
if (direction != NULL) *direction = bx;
@ -896,19 +913,16 @@ static void loc_6A6D7E(
break;
case MAP_ELEMENT_TYPE_ENTRANCE:
if (z == mapElement->base_height) {
uint8 cl = (mapElement->properties.entrance.index & 0x0F) | (mapElement->properties.entrance.type << 4);
uint8 al = ((direction - mapElement->type) & 3) ^ 2;
if (!(RCT2_ADDRESS(0x0097B974, uint16)[cl / 2] & (1 << al))) {
return;
}
if (query) {
neighbour_list_push(neighbourList, 8, direction);
} else {
if (mapElement->properties.entrance.type != ENTRANCE_TYPE_PARK_ENTRANCE) {
sub_6A76E9(mapElement->properties.entrance.ride_index);
if (entrance_has_direction(mapElement, ((direction - mapElement->type) & 3) ^ 2)) {
if (query) {
neighbour_list_push(neighbourList, 8, direction);
} else {
if (mapElement->properties.entrance.type != ENTRANCE_TYPE_PARK_ENTRANCE) {
sub_6A76E9(mapElement->properties.entrance.ride_index);
}
}
goto loc_6A6FD2;
}
goto loc_6A6FD2;
}
break;
}
@ -956,9 +970,7 @@ static void loc_6A6C85(
return;
if (map_element_get_type(mapElement) == MAP_ELEMENT_TYPE_ENTRANCE) {
uint16 di = (mapElement->properties.entrance.index & 0x0F) | (mapElement->properties.entrance.type << 4);
uint16 dx = (direction - mapElement->type) & 3;
if (RCT2_ADDRESS(0x0097B974, uint16)[di / 2] & (1 << dx)) {
if (entrance_has_direction(mapElement, (direction - mapElement->type) & 3)) {
return;
}
}