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quakeforge/include/QF/entity.h

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[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
/*
entity.h
Entity management
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2021/02/26
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __QF_entity_h
#define __QF_entity_h
#include "QF/darray.h"
#include "QF/mathlib.h"
#include "QF/simd/vec4f.h"
#include "QF/simd/mat4f.h"
/** \defgroup entity Entity management
\ingroup utils
*/
///@{
typedef struct mat4fset_s DARRAY_TYPE (mat4f_t) mat4fset_t;
typedef struct vec4fset_s DARRAY_TYPE (vec4f_t) vec4fset_t;
typedef struct uint32set_s DARRAY_TYPE (uint32_t) uint32set_t;
typedef struct byteset_s DARRAY_TYPE (byte) byteset_t;
typedef struct stringset_s DARRAY_TYPE (char *) stringset_t;
typedef struct xformset_s DARRAY_TYPE (struct transform_s *) xformset_t;
typedef struct entityset_s DARRAY_TYPE (struct entity_s *) entityset_t;
#define null_transform (~0u)
typedef struct hierarchy_s {
xformset_t transform;
entityset_t entity;
uint32set_t childCount;
uint32set_t childIndex;
uint32set_t parentIndex;
stringset_t name;
uint32set_t tag;
byteset_t modified;
mat4fset_t localMatrix;
mat4fset_t localInverse;
mat4fset_t worldMatrix;
mat4fset_t worldInverse;
vec4fset_t localRotation;
vec4fset_t localScale;
vec4fset_t worldRotation;
vec4fset_t worldScale;
} hierarchy_t;
typedef struct transform_s {
hierarchy_t *hierarchy;
uint32_t index;
} transform_t;
transform_t *Transform_New (transform_t *parent);
void Transform_Delete (transform_t *transform);
transform_t *Transform_NewNamed (transform_t *parent, const char *name);
uint32_t Transform_ChildCount (const transform_t *transform) __attribute__((pure));
transform_t *Transform_GetChild (const transform_t *transform,
uint32_t childIndex) __attribute__((pure));
void Transform_SetParent (transform_t *transform, transform_t *parent);
transform_t *Transform_GetParent (const transform_t *transform) __attribute__((pure));
void Transform_SetName (transform_t *transform, const char *name);
const char *Transform_GetName (const transform_t *transform) __attribute__((pure));
void Transform_SetTag (transform_t *transform, uint32_t tag);
uint32_t Transform_GetTag (const transform_t *transform) __attribute__((pure));
void Transform_GetLocalMatrix (const transform_t *transform, mat4f_t mat);
void Transform_GetLocalInverse (const transform_t *transform, mat4f_t mat);
void Transform_GetWorldMatrix (const transform_t *transform, mat4f_t mat);
void Transform_GetWorldInverse (const transform_t *transform, mat4f_t mat);
vec4f_t Transform_GetLocalPosition (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetLocalPosition (transform_t *transform, vec4f_t position);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
vec4f_t Transform_GetLocalRotation (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetLocalRotation (transform_t *transform, vec4f_t rotation);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
vec4f_t Transform_GetLocalScale (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetLocalScale (transform_t *transform, vec4f_t scale);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
vec4f_t Transform_GetWorldPosition (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetWorldPosition (transform_t *transform, vec4f_t position);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
vec4f_t Transform_GetWorldRotation (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetWorldRotation (transform_t *transform, vec4f_t rotation);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
vec4f_t Transform_GetWorldScale (const transform_t *transform) __attribute__((pure));
[renderer] Clean up entity_t to a certain extent This is the first step towards component-based entities. There's still some transform-related stuff in the struct that needs to be moved, but it's all entirely client related (rather than renderer) and will probably go into a "client" component. Also, the current components are directly included structs rather than references as I didn't want to deal with the object management at this stage. As part of the process (because transforms use simd) this also starts the process of moving QF to using simd for vectors and matrices. There's now a mess of simd and sisd code mixed together, but it works surprisingly well together.
2021-03-09 14:52:40 +00:00
void Transform_SetLocalTransform (transform_t *transform, vec4f_t scale,
vec4f_t rotation, vec4f_t position);
[entity] Start work on a new entity library The plan is to have a fully component based entity system. This adds hierarchical transforms. Not particularly useful for quake itself at this stage, but it will allow for much more flexibility later on, especially when QuakeForge becomes more general-purpose.
2021-03-09 02:39:41 +00:00
// NOTE: these use X: right, Y: forward, Z:up
// aslo, not guaranteed to be normalized or even orthogonal
vec4f_t Transform_Forward (const transform_t *transform) __attribute__((pure));
vec4f_t Transform_Right (const transform_t *transform) __attribute__((pure));
vec4f_t Transform_Up (const transform_t *transform) __attribute__((pure));
// no SetWorldScale because after rotations, non uniform scale becomes shear
hierarchy_t *Hierarchy_New (size_t grow, int createRoot);
hierarchy_t *Hierarchy_Copy (hierarchy_t *src);
void Hierarchy_Delete (hierarchy_t *hierarchy);
void Hierarchy_UpdateMatrices (hierarchy_t *hierarchy);
uint32_t Hierarchy_InsertHierarchy (hierarchy_t *dst, const hierarchy_t *src,
uint32_t dstParent, uint32_t srcRoot);
void Hierarchy_RemoveHierarchy (hierarchy_t *hierarchy, uint32_t index);
///@}
#endif//__QF_entity_h
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