EditorMath.cpp File Reference

#include "EditorMath.h"
#include <libultraship/libultraship.h>
#include "port/Game.h"
#include "port/Engine.h"
#include <libultra/types.h>
#include "GameObject.h"
#include <vector>
#include <limits>
#include <cmath>
#include <fast/Fast3dWindow.h>
#include <fast/interpreter.h>
#include "common_structs.h"
#include "main.h"
#include "defines.h"
#include "actors.h"
#include "math_util.h"
#include "math_util_2.h"
#include "camera.h"

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Functions
bool	IsInGameScreen ()
FVector	ScreenRayTrace ()
bool	QueryCollisionRayActor (Vec3f rayOrigin, Vec3f rayDir, Vec3f actorMin, Vec3f actorMax, float *t)
FVector4	MultiplyMatrixVector (float matrix[4][4], float vector[4])
static bool	InverseMatrix (const float m[16], float invOut[16])
FVector	TransformVecByMatrix (const FVector &vec, const float mtx[4][4])
FVector	TransformVecDirection (const FVector &dir, const float mtx[4][4])
Ray	RayToLocalSpace (MtxF mtx, const Ray &ray)
bool	IntersectRayTriangle (const Ray &ray, const Triangle &tri, float &t)
bool	IntersectRayTriangleAndTransform (const Ray &ray, FVector pos, const Triangle &tri, float &t)
std::optional< FVector >	QueryHandleIntersection (MtxF mtx, Ray ray, const Triangle &tri)
bool	IntersectRaySphere (const Ray &ray, const FVector &sphereCenter, float radius, float &t)
void	Editor_MatrixIdentity (Mat4 mtx)
void	Editor_AddMatrix (Mat4 mtx, int32_t flags)
float	CalculateAngle (const FVector &start, const FVector &end)
void	SetDirectionFromRotator (IRotator rot, s8 direction[3])
void	SetRotatorFromDirection (FVector direction, IRotator *rot)
FVector	GetPositionAheadOfCamera (f32 dist)

Variables
std::vector< Mtx >	EditorMatrix

Function Documentation

CalculateAngle()

float CalculateAngle	(	const FVector &	start,
		const FVector &	end )

Editor_AddMatrix()

void Editor_AddMatrix	(	Mat4	mtx,
		int32_t	flags )

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Editor_MatrixIdentity()

void Editor_MatrixIdentity

(

Mat4

mtx

)

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GetPositionAheadOfCamera()

FVector GetPositionAheadOfCamera

(

f32

dist

)

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IntersectRaySphere()

bool IntersectRaySphere	(	const Ray &	ray,
		const FVector &	sphereCenter,
		float	radius,
		float &	t )

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IntersectRayTriangle()

bool IntersectRayTriangle	(	const Ray &	ray,
		const Triangle &	tri,
		float &	t )

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IntersectRayTriangleAndTransform()

bool IntersectRayTriangleAndTransform	(	const Ray &	ray,
		FVector	pos,
		const Triangle &	tri,
		float &	t )

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InverseMatrix()

static bool InverseMatrix ( const float m[16], float invOut[16] )

static

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IsInGameScreen()

bool IsInGameScreen

(

)

Projects 2D cursor into the game world

Returns

FVector ray direction

ray.x = camera->pos[0] + direction.x * length; ray.y = camera->pos[1] + direction.y * length; ray.z = camera->pos[2] + direction.z * length;

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MultiplyMatrixVector()

FVector4 MultiplyMatrixVector	(	float	matrix[4][4],
		float	vector[4] )

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QueryCollisionRayActor()

bool QueryCollisionRayActor	(	Vec3f	rayOrigin,
		Vec3f	rayDir,
		Vec3f	actorMin,
		Vec3f	actorMax,
		float *	t )

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QueryHandleIntersection()

std::optional< FVector > QueryHandleIntersection	(	MtxF	mtx,
		Ray	ray,
		const Triangle &	tri )

optional used here so we can check for successful query and return the click position

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RayToLocalSpace()

Ray RayToLocalSpace	(	MtxF	mtx,
		const Ray &	ray )

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ScreenRayTrace()

FVector ScreenRayTrace

(

)

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SetDirectionFromRotator()

void SetDirectionFromRotator	(	IRotator	rot,
		s8	direction[3] )

Warning

dumb hack to align the light properly

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SetRotatorFromDirection()

void SetRotatorFromDirection	(	FVector	direction,
		IRotator *	rot )

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TransformVecByMatrix()

FVector TransformVecByMatrix	(	const FVector &	vec,
		const float	mtx[4][4] )

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TransformVecDirection()

FVector TransformVecDirection	(	const FVector &	dir,
		const float	mtx[4][4] )

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Variable Documentation

EditorMatrix

std::vector<Mtx> EditorMatrix