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Update Maps.cpp

develop
Ryan Williams 2022-05-30 15:23:07 -07:00 committed by Myk
parent 9d2bb01caf
commit b1e118384e
1 changed files with 126 additions and 128 deletions
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254
library/modules/Maps.cpp
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@ -824,162 +824,160 @@ misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
namespace {
//----------------------------------------------------------------------------//
// Utility function
//
//----------------------------------------------------------------------------//
std::pair<bool, bool> check_tropicality(df::region_map_entry& region,
int y_pos
)
//----------------------------------------------------------------------------//
// Utility function
//
//----------------------------------------------------------------------------//
static std::pair<bool, bool> check_tropicality(df::region_map_entry& region,
int y_pos
)
{
int flip_latitude = df::global::world->world_data->flip_latitude;
bool is_possible_tropical_area_by_latitude = false;
bool is_tropical_area_by_latitude = false;
if (flip_latitude == -1) // NO POLES
{
int flip_latitude = df::global::world->world_data->flip_latitude;
// If there're no poles, tropical area is determined by temperature
is_possible_tropical_area_by_latitude = region.temperature >= 75;
is_tropical_area_by_latitude = region.temperature >= 85;
}
bool is_possible_tropical_area_by_latitude = false;
bool is_tropical_area_by_latitude = false;
else
{
int v6 = 0;
df::world_data* wdata = df::global::world->world_data;
if (flip_latitude == -1) // NO POLES
if (flip_latitude == 0) // NORTH POLE ONLY
{
// If there're no poles, tropical area is determined by temperature
is_possible_tropical_area_by_latitude = region.temperature >= 75;
is_tropical_area_by_latitude = region.temperature >= 85;
v6 = y_pos;
}
else
else if (flip_latitude == 1) // SOUTH_POLE ONLY
{
int v6 = 0;
df::world_data* wdata = df::global::world->world_data;
if (flip_latitude == 0) // NORTH POLE ONLY
{
v6 = y_pos;
}
else if (flip_latitude == 1) // SOUTH_POLE ONLY
{
v6 = df::global::world->world_data->world_height - y_pos - 1;
}
v6 = df::global::world->world_data->world_height - y_pos - 1;
}
else if (flip_latitude == 2) // BOTH POLES
else if (flip_latitude == 2) // BOTH POLES
{
if (y_pos < wdata->world_height / 2)
v6 = 2 * y_pos;
else
{
if (y_pos < wdata->world_height / 2)
v6 = 2 * y_pos;
else
{
v6 = wdata->world_height + 2 * (wdata->world_height / 2 - y_pos) - 1;
if (v6 < 0)
v6 = 0;
if (v6 >= wdata->world_height)
v6 = wdata->world_height - 1;
}
v6 = wdata->world_height + 2 * (wdata->world_height / 2 - y_pos) - 1;
if (v6 < 0)
v6 = 0;
if (v6 >= wdata->world_height)
v6 = wdata->world_height - 1;
}
if (wdata->world_height == 17)
v6 *= 16;
else if (wdata->world_height == 33)
v6 *= 8;
else if (wdata->world_height == 65)
v6 *= 4;
else if (wdata->world_height == 129)
v6 *= 2;
is_possible_tropical_area_by_latitude = v6 > 170;
is_tropical_area_by_latitude = v6 >= 200;
}
return std::pair<bool, bool>(is_possible_tropical_area_by_latitude,
is_tropical_area_by_latitude
);
if (wdata->world_height == 17)
v6 *= 16;
else if (wdata->world_height == 33)
v6 *= 8;
else if (wdata->world_height == 65)
v6 *= 4;
else if (wdata->world_height == 129)
v6 *= 2;
is_possible_tropical_area_by_latitude = v6 > 170;
is_tropical_area_by_latitude = v6 >= 200;
}
return std::pair<bool, bool>(is_possible_tropical_area_by_latitude,
is_tropical_area_by_latitude
);
}
//----------------------------------------------------------------------------//
// Utility function
//
// return some unknow parameter as a percentage
//----------------------------------------------------------------------------//
int get_region_parameter(int y,
int x
)
//----------------------------------------------------------------------------//
// Utility function
//
// return some unknow parameter as a percentage
//----------------------------------------------------------------------------//
static int get_region_parameter(int y,
int x
)
{
int world_height = df::global::world->world_data->world_height;
if (world_height > 65) // Medium and large worlds
{
int world_height = df::global::world->world_data->world_height;
if (world_height > 65) // Medium and large worlds
{
// access to region 2D array
df::region_map_entry& region = df::global::world->world_data->region_map[x][y];
int flip_latitude = df::global::world->world_data->flip_latitude;
int rainfall = region.rainfall;
int result;
int y_pos = y;
int ypos = y_pos;
if (flip_latitude == -1) // NO POLES
return 100;
else if (flip_latitude == 1) // SOUTH POLE
ypos = world_height - y_pos - 1;
else if (flip_latitude == 2) // NORTH & SOUTH POLE
{
if (ypos < world_height / 2)
ypos *= 2;
else
{
ypos = world_height + 2 * (world_height / 2 - ypos) - 1;
if (ypos < 0)
ypos = 0;
if (ypos >= world_height)
ypos = world_height - 1;
}
}
// access to region 2D array
df::region_map_entry& region = df::global::world->world_data->region_map[x][y];
int flip_latitude = df::global::world->world_data->flip_latitude;
int rainfall = region.rainfall;
int result;
int y_pos = y;
int ypos = y_pos;
int latitude; // 0 - 256 (size of a large world)
switch (world_height)
if (flip_latitude == -1) // NO POLES
return 100;
else if (flip_latitude == 1) // SOUTH POLE
ypos = world_height - y_pos - 1;
else if (flip_latitude == 2) // NORTH & SOUTH POLE
{
if (ypos < world_height / 2)
ypos *= 2;
else
{
case 17: // Pocket world
latitude = 16 * ypos;
break;
case 33: // Smaller world
latitude = 8 * ypos;
break;
case 65: // Small world
latitude = 4 * ypos;
break;
case 129: // Medium world
latitude = 2 * ypos;
break;
default: // Large world
latitude = ypos;
break;
ypos = world_height + 2 * (world_height / 2 - ypos) - 1;
if (ypos < 0)
ypos = 0;
if (ypos >= world_height)
ypos = world_height - 1;
}
}
// latitude > 220
if ((latitude - 171) > 49)
return 100;
int latitude; // 0 - 256 (size of a large world)
switch (world_height)
{
case 17: // Pocket world
latitude = 16 * ypos;
break;
case 33: // Smaller world
latitude = 8 * ypos;
break;
case 65: // Small world
latitude = 4 * ypos;
break;
case 129: // Medium world
latitude = 2 * ypos;
break;
default: // Large world
latitude = ypos;
break;
}
// latitude > 220
if ((latitude - 171) > 49)
return 100;
// Latitude between 191 and 200
if ((latitude > 190) && (latitude < 201))
return 0;
// Latitude between 201 and 220
if ((latitude > 190) && (latitude >= 201))
result = rainfall + 16 * (latitude - 207);
else
// Latitude between 0 and 190
result = (16 * (184 - latitude) - rainfall);
// Latitude between 191 and 200
if ((latitude > 190) && (latitude < 201))
return 0;
if (result < 0)
return 0;
// Latitude between 201 and 220
if ((latitude > 190) && (latitude >= 201))
result = rainfall + 16 * (latitude - 207);
else
// Latitude between 0 and 190
result = (16 * (184 - latitude) - rainfall);
if (result > 100)
return 100;
if (result < 0)
return 0;
return result;
}
if (result > 100)
return 100;
return 100;
return result;
}
return 100;
}