landscape_partial_pixel_z.cpp File Reference

Tests for consistency/validity of the results of GetPartialPixelZ. More...

#include "../stdafx.h"
#include "../3rdparty/catch2/catch.hpp"
#include "../landscape.h"
#include "../slope_func.h"

Go to the source code of this file.

Functions
bool	CheckPartialPixelZSlopeAddition (Slope slope_expected, Slope slope_a, Slope slope_b)
	Check whether the addition of two slope's GetPartialPixelZ values results in the GetPartialPixelZ values of the expected slope. More...
	TEST_CASE ("PartialPixelSlopeAdditionTest - A one corner slope, plus the opposite three corner slope results in a flat but elevated slope")
	TEST_CASE ("PartialPixelSlopeAdditionTest - Diagonal slopes with their opposite slope result in a flat but elevated slope")
	TEST_CASE ("PartialPixelSlopeAdditionTest - Half tile slopes with their opposite half tile slope result in a flat but elevated slope")
	TEST_CASE ("PartialPixelSlopeAdditionTest - Two opposite one corner slopes result in the two corner slope with opposite corners")
	TEST_CASE ("PartialPixelSlopeAdditionTest - A steep slope is a one corner slope on top of a three corner slope")
	TEST_CASE ("PartialPixelSlopeAdditionTest - A half tile steep slope is a one corner half tile on top of a three corner slope")
bool	CheckPartialPixelZ (Slope slope, std::array< int, TILE_SIZE *TILE_SIZE > expected)
	Check whether the partial pixel Z values are the expected values. More...
	TEST_CASE ("PartialPixelTest - One corner up slopes - SLOPE_N")
	TEST_CASE ("PartialPixelTest - One corner up slopes - SLOPE_E")
	TEST_CASE ("PartialPixelTest - One corner up slopes - SLOPE_S")
	TEST_CASE ("PartialPixelTest - One corner up slopes - SLOPE_W")
	TEST_CASE ("PartialPixelTest - Two corner up, diagonal slopes - SLOPE_NE")
	TEST_CASE ("PartialPixelTest - Two corner up, diagonal slopes - SLOPE_SE")
	TEST_CASE ("PartialPixelTest - Two corner up, diagonal slopes - SLOPE_SW")
	TEST_CASE ("PartialPixelTest - Two corner up, diagonal slopes - SLOPE_NW")
	TEST_CASE ("PartialPixelTest - Two opposite corner up slopes - SLOPE_NS")
	TEST_CASE ("PartialPixelTest - Two opposite corner up slopes - SLOPE_EW")
	TEST_CASE ("PartialPixelTest - Three corner up slopes - SLOPE_ENW")
	TEST_CASE ("PartialPixelTest - Three corner up slopes - SLOPE_SEN")
	TEST_CASE ("PartialPixelTest - Three corner up slopes - SLOPE_WSE")
	TEST_CASE ("PartialPixelTest - Three corner up slopes - SLOPE_NWS")
	TEST_CASE ("PartialPixelTest - Normal half tile slopes - SLOPE/CORNER_N")
	TEST_CASE ("PartialPixelTest - Normal half tile slopes - SLOPE/CORNER_E")
	TEST_CASE ("PartialPixelTest - Normal half tile slopes - SLOPE/CORNER_S")
	TEST_CASE ("PartialPixelTest - Normal half tile slopes - SLOPE/CORNER_W")
	TEST_CASE ("PartialPixelTest - Steep slopes - SLOPE_STEEP_N")
	TEST_CASE ("PartialPixelTest - Steep slopes - SLOPE_STEEP_E")
	TEST_CASE ("PartialPixelTest - Steep slopes - SLOPE_STEEP_S")
	TEST_CASE ("PartialPixelTest - Steep slopes - SLOPE_STEEP_W")
	TEST_CASE ("PartialPixelTest - Half tile on top of steep slopes - SLOPE_STEEP/CORNER_N")
	TEST_CASE ("PartialPixelTest - Half tile on top of steep slopes - SLOPE_STEEP/CORNER_E")
	TEST_CASE ("PartialPixelTest - Half tile on top of steep slopes - SLOPE_STEEP/CORNER_S")
	TEST_CASE ("PartialPixelTest - Half tile on top of steep slopes - SLOPE_STEEP/CORNER_W")

Detailed Description

Tests for consistency/validity of the results of GetPartialPixelZ.

Definition in file landscape_partial_pixel_z.cpp.

Function Documentation

CheckPartialPixelZ()

bool CheckPartialPixelZ	(	Slope	slope,
		std::array< int, TILE_SIZE *TILE_SIZE >	expected
	)

Check whether the partial pixel Z values are the expected values.

The arrays are as if the map is rotated 45 degrees counterclockwise.

Parameters

slope	The slope that is to be checked.
expected	The expect partial pixels Z values.

Returns

True iff at all GetPartialPixelZ results are the same as the expected Z-coordinates.

Definition at line 88 of file landscape_partial_pixel_z.cpp.

References GB(), and GetPartialPixelZ().

CheckPartialPixelZSlopeAddition()

bool CheckPartialPixelZSlopeAddition	(	Slope	slope_expected,
		Slope	slope_a,
		Slope	slope_b
	)

Check whether the addition of two slope's GetPartialPixelZ values results in the GetPartialPixelZ values of the expected slope.

This iterates over all sub-pixel locations within a single tile.

Parameters

slope_expected	The slope that is expected.
slope_a	The first slope of the addition.
slope_b	The second slope of the addition.

Returns

True iff at all GetPartialPixelZ results are the same for each sub-tile position.

Definition at line 26 of file landscape_partial_pixel_z.cpp.