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Include edgeslopes

This commit is contained in:
Marijn van der Werf 2016-08-11 10:22:05 +02:00
parent bb07785e96
commit be1e832873
1 changed files with 50 additions and 3 deletions
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53
src/world/map.c
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@ -3291,6 +3291,53 @@ static bool map_place_fence_check_obstruction(rct_scenery_entry *wall, int x, in
return true;
}
enum
{
EDGE_SLOPE_ELEVATED = (1 << 0), // 0x01
EDGE_SLOPE_UPWARDS = (1 << 6), // 0x40
EDGE_SLOPE_DOWNWARDS = (1 << 7), // 0x80
EDGE_SLOPE_UPWARDS_ELEVATED = EDGE_SLOPE_UPWARDS | EDGE_SLOPE_ELEVATED,
EDGE_SLOPE_DOWNWARDS_ELEVATED = EDGE_SLOPE_DOWNWARDS | EDGE_SLOPE_ELEVATED,
};
/** rct2: 0x009A3FEC */
static const uint8 EdgeSlopes[][4] = {
// Top right Bottom right Bottom left Top left
{ 0, 0, 0, 0 },
{ 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, 0 },
{ 0, 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS },
{ 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_DOWNWARDS, 0, 0, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS, 0, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, 0, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, 0, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_ELEVATED },
{ EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED, EDGE_SLOPE_ELEVATED },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS },
{ 0, 0, 0, 0 },
{ EDGE_SLOPE_UPWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS },
{ EDGE_SLOPE_DOWNWARDS_ELEVATED, EDGE_SLOPE_DOWNWARDS, EDGE_SLOPE_UPWARDS, EDGE_SLOPE_UPWARDS_ELEVATED },
{ 0, 0, 0, 0 },
};
/**
*
* rct2: 0x006E519A
@ -3355,8 +3402,8 @@ void game_command_place_fence(int* eax, int* ebx, int* ecx, int* edx, int* esi,
position.z = map_element->base_height * 8;
uint8 slope = map_element->properties.surface.slope & MAP_ELEMENT_SLOPE_MASK;
bp = RCT2_ADDRESS(0x009A3FEC, uint8)[slope + (edge & 3) * 32];
if (bp & (1 << 0)){
bp = EdgeSlopes[slope][edge & 3];
if (bp & EDGE_SLOPE_ELEVATED) {
position.z += 16;
bp &= ~(1 << 0);
}
@ -3478,7 +3525,7 @@ void game_command_place_fence(int* eax, int* ebx, int* ecx, int* edx, int* esi,
bp = RCT2_GLOBAL(0x00141F723, uint8);
RCT2_GLOBAL(0x00141F722, uint8) = position.z / 8;
if (bp & 0xC0){
if (bp & (EDGE_SLOPE_UPWARDS | EDGE_SLOPE_DOWNWARDS)) {
if (fence->wall.flags & WALL_SCENERY_FLAG3){
gGameCommandErrorText = STR_ERR_UNABLE_TO_BUILD_THIS_ON_SLOPE;
*ebx = MONEY32_UNDEFINED;