matrices.c

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#include "common.h"
#include <sys/types.h>
#include <libgte.h>
 
/*
 * A zero vector, the identity (FIGHTSTG's root bone's parent) and three
 * scales that double x, y or both. Nothing in the executable reads them, so
 * no module can claim them: they lie between system/random.c's data and
 * text/text_window.c's, both -G0 units, as either's or a file of their own.
 */
VECTOR ZERO_VECTOR = { 0, 0, 0 };
MATRIX IDENTITY_MATRIX = { { { 0x1000, 0, 0 }, { 0, 0x1000, 0 }, { 0, 0, 0x1000 } } };
MATRIX DOUBLE_WIDTH_MATRIX = { { { 0x2000, 0, 0 }, { 0, 0x1000, 0 }, { 0, 0, 0x1000 } } };
MATRIX DOUBLE_HEIGHT_MATRIX = { { { 0x1000, 0, 0 }, { 0, 0x2000, 0 }, { 0, 0, 0x1000 } } };
MATRIX DOUBLE_SIZE_MATRIX = { { { 0x2000, 0, 0 }, { 0, 0x2000, 0 }, { 0, 0, 0x1000 } } };