111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
#ifndef GAMEOBJECT_H
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#define GAMEOBJECT_H
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#include "2dphysics.h"
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#include "config.h"
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#include <chipmunk/chipmunk.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "quickjs/quickjs.h"
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#include "HandmadeMath.h"
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struct shader;
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struct sprite;
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struct component;
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typedef struct transform2d {
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HMM_Vec2 pos;
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HMM_Vec2 scale;
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double angle;
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} transform2d;
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transform2d mat2transform2d(HMM_Mat3 mat);
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HMM_Mat3 transform2d2mat(transform2d t);
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typedef struct gameobject {
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cpBodyType bodytype;
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int next;
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HMM_Vec3 scale;
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float mass;
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float f; /* friction */
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float e; /* elasticity */
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float timescale;
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float maxvelocity;
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float maxangularvelocity;
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int gravity;
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HMM_Vec2 cgravity;
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float damping;
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int sensor;
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unsigned int layer;
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cpShapeFilter filter;
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cpBody *body; /* NULL if this object is dead */
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int id;
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struct phys_cbs cbs;
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struct shape_cb *shape_cbs;
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JSValue ref;
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HMM_Mat3 transform;
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struct gameobject *master;
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transform2d t; /* The local transformation of this object */
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} gameobject;
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extern struct gameobject *gameobjects;
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int MakeGameobject();
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void gameobject_apply(struct gameobject *go);
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void gameobject_delete(int id);
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void gameobjects_cleanup();
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void gameobject_set_sensor(int id, int sensor);
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HMM_Vec2 go2pos(struct gameobject *go);
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float go2angle(struct gameobject *go);
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transform2d go2t(gameobject *go);
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HMM_Vec2 go2world(struct gameobject *go, HMM_Vec2 pos);
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HMM_Vec2 world2go(struct gameobject *go, HMM_Vec2 pos);
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HMM_Mat3 t_go2world(struct gameobject *go);
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HMM_Mat3 t_world2go(struct gameobject *go);
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HMM_Vec2 goscale(struct gameobject *go, HMM_Vec2 pos);
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HMM_Vec2 gotpos(struct gameobject *go, HMM_Vec2 pos);
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HMM_Mat3 mt_rst(transform2d t);
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HMM_Mat3 mt_st(transform2d t);
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HMM_Mat3 mt_rt(transform2d t);
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/* Transform a position via the matrix */
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HMM_Vec2 mat_t_pos(HMM_Mat3 m, HMM_Vec2 pos);
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/* Transform a direction via the matrix - does not take into account translation of matrix */
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HMM_Vec2 mat_t_dir(HMM_Mat3 m, HMM_Vec2 dir);
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struct gameobject *get_gameobject_from_id(int id);
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struct gameobject *id2go(int id);
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int id_from_gameobject(struct gameobject *go);
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int go2id(struct gameobject *go);
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int body2id(cpBody *body);
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cpBody *id2body(int id);
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int shape2gameobject(cpShape *shape);
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struct gameobject *shape2go(cpShape *shape);
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uint32_t go2category(struct gameobject *go);
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uint32_t go2mask(struct gameobject *go);
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void go_shape_apply(cpBody *body, cpShape *shape, struct gameobject *go);
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/* Tries a few methods to select a gameobject; if none is selected returns -1 */
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int pos2gameobject(HMM_Vec2 pos);
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void gameobject_move(struct gameobject *go, HMM_Vec2 vec);
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void gameobject_rotate(struct gameobject *go, float as);
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void gameobject_setangle(struct gameobject *go, float angle);
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void gameobject_setpos(struct gameobject *go, cpVect vec);
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void gameobject_draw_debugs();
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void gameobject_draw_debug(int go);
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void object_gui(struct gameobject *go);
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void gameobject_saveall();
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void gameobject_loadall();
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int gameobjects_saved();
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#endif
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