/*
 *  Copyright (C) 2018  Vito Caputo - <vcaputo@pengaru.com>
 *
 *  This program is free software: you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 3 as published
 *  by the Free Software Foundation.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _STAGE_H
#define _STAGE_H

typedef struct SDL_Renderer SDL_Renderer;
typedef struct SDL_Texture SDL_Texture;

#define STAGE_NODE_NAME_MAX	16
#define STAGE_LAYERS_MAX	10

typedef enum stage_map_t {
	STAGE_MAP_FILL,		/* -1,-1...1,1 linearly maps to the AR-constrained stage dimensions, the default */
	STAGE_MAP_MAXSQ,	/* -1,-1...1,1 linearly maps to a square the size of the maximum axis of the AR-constrained stage dimensions */
	STAGE_MAP_MINSQ,	/* -1,-1...1,1 linearly maps to a square the size of the minimum axis of the AR-constrained stage dimensions */
} stage_map_t;

typedef struct v2f_t v2f_t;
typedef struct aabb_t aabb_t;
typedef struct stage_t stage_t;
typedef struct stage_node_t stage_node_t;

typedef int (*stage_render_func_t)(SDL_Renderer *renderer, void *object, int width, int height, SDL_Texture **texture);
typedef void (*stage_free_func_t)(void *object);

stage_t * stage_new(SDL_Renderer *renderer, float aspect_ratio);
void stage_clear(stage_t *stage);
stage_t * stage_free(stage_t *stage);
void stage_fit(float aspect_ratio, int width, int height, int *res_width, int *res_height);
void stage_set_alpha(stage_t *stage, float alpha);
void stage_get_alpha(stage_t *stage, float *res_alpha);
void stage_set_position(stage_t *stage, v2f_t *position);
void stage_get_position(stage_t *stage, v2f_t *res_position);
void stage_set_aabb_map(stage_t *stage, stage_map_t map);
void stage_set_position_map(stage_t *stage, stage_map_t map);
void stage_render(const stage_t *stage);
stage_node_t * stage_node_new(stage_t *stage, int layer, const char *name, void *object, stage_render_func_t render_func, stage_free_func_t free_func);

void stage_get_output_size(stage_t *stage, int *res_width, int *res_height);
void stage_node_set_object(const stage_t *stage, stage_node_t *node, void *object);
void stage_node_get_object(const stage_t *stage, stage_node_t *node, void **res_object);
void stage_node_replace(const stage_t *stage, stage_node_t *node, const char *name, void *object, stage_render_func_t render_func, stage_free_func_t free_func);
stage_node_t * stage_node_free(stage_t *stage, stage_node_t *node);
void stage_node_set_alpha(const stage_t *stage, stage_node_t *node, float alpha);
void stage_node_set_aabb(const stage_t *stage, stage_node_t *node, const aabb_t *aabb);
void stage_node_get_aabb(const stage_t *stage, const stage_node_t *node, aabb_t *res_aabb);
void stage_node_set_position(const stage_t *stage, stage_node_t *node, v2f_t *position);
void stage_node_get_position(const stage_t *stage, const stage_node_t *node, v2f_t *res_position);
void stage_node_set_origin(const stage_t *stage, stage_node_t *node, v2f_t *origin);
void stage_node_get_origin(const stage_t *stage, const stage_node_t *node, v2f_t *res_origin);
void stage_node_set_active(const stage_t *stage, stage_node_t *node, int active);
void stage_node_set_locked(const stage_t *stage, stage_node_t *node, int locked);
void stage_node_set_static(const stage_t *stage, stage_node_t *node, int stationary);
void stage_node_set_layer(stage_t *stage, stage_node_t *node, int layer);
void stage_node_set_angle(const stage_t *stage, stage_node_t *node, double angle);
void stage_node_get_angle(const stage_t *stage, stage_node_t *node, double *res_angle);
void stage_node_set_aabb_map(const stage_t *stage, stage_node_t *node, stage_map_t fit);
void stage_node_set_position_map(const stage_t *stage, stage_node_t *node, stage_map_t fit);
stage_node_t * stage_node_lookup_name(const stage_t *stage, const char *name);
stage_node_t * stage_node_lookup_cartesian(const stage_t *stage, int x, int y);

#endif