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Deep splitting and rewriting of the sub_6D... code

This commit is contained in:
Daniel Trujillo 2016-07-09 19:03:53 +02:00
parent a3661e5842
commit 3e782d9295
1 changed files with 58 additions and 47 deletions
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105
src/ride/vehicle.c
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@ -5381,53 +5381,51 @@ static void vehicle_update_track_motion_up_stop_check(rct_vehicle *vehicle)
}
}
void apply_block_section_stop_site(rct_vehicle *vehicle, rct_ride *ride){
int trackType = vehicle->track_type >> 2;
rct_map_element *trackElement = map_get_track_element_at_of_type(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType
);
if (trackType == TRACK_ELEM_END_STATION) {
if (trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BREAK_CLOSED) {
RCT2_GLOBAL(0x00F64E18, uint32) |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
}
} else {
// If the track piece is a block section stop site
if (trackType == TRACK_ELEM_CABLE_LIFT_HILL || trackType == TRACK_ELEM_BLOCK_BRAKES || track_element_is_lift_hill(trackElement)) {
// If the site is in a "train blocking" state
if ((trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BREAK_CLOSED) && ride_is_block_sectioned(ride)) {
// Slow it down till completely stop the car
RCT2_GLOBAL(0x00F64E18, uint32) |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
vehicle->acceleration = 0;
// If the vehicle is slow enough, stop it. If not, slow it down
if (vehicle->velocity <= 0x20000) {
vehicle->velocity = 0;
} else {
vehicle->velocity -= vehicle->velocity >> 3;
}
} else {
// If the site is a block brake
if (trackType == TRACK_ELEM_BLOCK_BRAKES && vehicle->velocity >= 0) {
// If the vehicle is below the speed limit
if (vehicle->velocity <= 0x20364) {
// Boost it until the fixed block brake speed
vehicle->velocity = 0x20364;
vehicle->acceleration = 0;
} else {
// Slow it down till the fixed block brake speed
vehicle->velocity -= vehicle->velocity >> 4;
vehicle->acceleration = 0;
}
}
}
/**
* Modifies the train's velocity to match the block-brake fixed velocity.
* This function must be called when the car is running through a non-stopping
* state block-brake (precondition), which means that the block brake is acting
* merely as a velocity regulator, in a closed state. When the brake is open, it
* boosts the train till the speed limit
*/
void apply_non_stop_block_brake(rct_vehicle *vehicle, bool block_brake_closed) {
if (vehicle->velocity >= 0) {
// If the vehicle is below the speed limit
if (vehicle->velocity <= 0x20364) {
// Boost it until the fixed block brake speed
vehicle->velocity = 0x20364;
vehicle->acceleration = 0;
} else if(block_brake_closed){
// Slow it down till the fixed block brake speed
vehicle->velocity -= vehicle->velocity >> 4;
vehicle->acceleration = 0;
}
}
}
/**
*
* Modifies the train's velocity influenced by a block brake
*/
void apply_block_brakes(rct_vehicle *vehicle, bool block_brake_closed)
{
// If the site is in a "train blocking" state
if (block_brake_closed) {
// Slow it down till completely stop the car
RCT2_GLOBAL(0x00F64E18, uint32) |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
vehicle->acceleration = 0;
// If the vehicle is slow enough, stop it. If not, slow it down
if (vehicle->velocity <= 0x20000) {
vehicle->velocity = 0;
} else {
vehicle->velocity -= vehicle->velocity >> 3;
}
} else {
apply_non_stop_block_brake(vehicle, block_brake_closed);
}
}
/**
*
* rct2: 0x006DAC43
@ -5449,11 +5447,24 @@ static void check_and_apply_block_section_stop_site(rct_vehicle *vehicle)
int trackType = vehicle->track_type >> 2;
rct_map_element *trackElement = map_get_track_element_at_of_type(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType
);
switch (trackType) {
case TRACK_ELEM_END_STATION:
case TRACK_ELEM_BLOCK_BRAKES:
if (ride->mode == RIDE_MODE_CONTINUOUS_CIRCUIT || ride_is_block_sectioned(ride))
apply_block_section_stop_site(vehicle, ride);
if (ride_is_block_sectioned(ride))
apply_block_brakes(vehicle, trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BREAK_CLOSED);
else
apply_non_stop_block_brake(vehicle, true);
break;
case TRACK_ELEM_END_STATION:
if (trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BREAK_CLOSED)
RCT2_GLOBAL(0x00F64E18, uint32) |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
break;
case TRACK_ELEM_25_DEG_UP_TO_FLAT:
@ -5462,7 +5473,7 @@ static void check_and_apply_block_section_stop_site(rct_vehicle *vehicle)
case TRACK_ELEM_DIAG_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_DIAG_60_DEG_UP_TO_FLAT:
if (ride_is_block_sectioned(ride))
apply_block_section_stop_site(vehicle, ride);
apply_block_brakes(vehicle, trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BREAK_CLOSED);
break;
}