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/*
* Copyright (C) 2020 - 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/>.
*/
#include <SDL.h>
#include <assert.h>
#include <play.h>
#include <stage.h>
#include "glad.h"
#include "hungrycat-node.h"
#include "m4f.h"
#include "m4f-3dx.h"
#include "macros.h"
#include "sars.h"
#define HUNGRYCAT_FADE_MS 3333
#define HUNGRYCAT_FADEIN_MS HUNGRYCAT_FADE_MS
#define HUNGRYCAT_SHOW_MS HUNGRYCAT_FADE_MS
#define HUNGRYCAT_FADEOUT_MS HUNGRYCAT_FADE_MS
#define HUNGRYCAT_FADE_TIMER PLAY_TICKS_TIMER0
typedef enum hungrycat_state_t {
HUNGRYCAT_STATE_FADEIN,
HUNGRYCAT_STATE_SHOW,
HUNGRYCAT_STATE_FADEOUT,
HUNGRYCAT_STATE_LEAVE,
} hungrycat_state_t;
typedef struct hungrycat_t {
hungrycat_state_t state;
stage_t *node;
m4f_t model_x;
} hungrycat_t;
static void * hungrycat_init(play_t *play, int argc, char *argv[])
{
sars_t *sars = play_context(play, SARS_CONTEXT_SARS);
hungrycat_t *hungrycat;
hungrycat = calloc(1, sizeof(hungrycat_t));
fatal_if(!hungrycat, "Unable to allocate hungrycat_t");
hungrycat->node = hungrycat_node_new(&(stage_conf_t){ .parent = sars->stage, .name = "hungrycat", .active = 1 }, &hungrycat->model_x);
fatal_if(!hungrycat->node, "Unable to create hungrycat->node");
hungrycat->model_x = m4f_identity();
hungrycat->model_x = m4f_scale(&hungrycat->model_x, &(v3f_t){1.f, .25f, .5f});
return hungrycat;
}
static void hungrycat_enter(play_t *play, void *context)
{
hungrycat_t *hungrycat = context;
assert(hungrycat);
play_music_set(play, 0, "assets/hungrycat.ogg");
play_ticks_reset(play, HUNGRYCAT_FADE_TIMER);
}
static float fade_t(play_t *play)
{
return (1.f / (float)HUNGRYCAT_FADE_MS) * (float)play_ticks(play, HUNGRYCAT_FADE_TIMER);
}
static void hungrycat_update(play_t *play, void *context)
{
hungrycat_t *hungrycat = context;
assert(hungrycat);
switch (hungrycat->state) {
case HUNGRYCAT_STATE_FADEIN:
stage_dirty(hungrycat->node);
if (!play_ticks_elapsed(play, HUNGRYCAT_FADE_TIMER, HUNGRYCAT_FADE_MS)) {
stage_set_alpha(hungrycat->node, fade_t(play));
break;
}
stage_set_alpha(hungrycat->node, 1.f);
hungrycat->state = HUNGRYCAT_STATE_SHOW;
break;
case HUNGRYCAT_STATE_SHOW:
if (!play_ticks_elapsed(play, HUNGRYCAT_FADE_TIMER, HUNGRYCAT_FADE_MS))
break;
hungrycat->state = HUNGRYCAT_STATE_FADEOUT;
break;
case HUNGRYCAT_STATE_FADEOUT:
stage_dirty(hungrycat->node);
if (!play_ticks_elapsed(play, HUNGRYCAT_FADE_TIMER, HUNGRYCAT_FADE_MS)) {
stage_set_alpha(hungrycat->node, 1.f - fade_t(play));
break;
}
stage_set_alpha(hungrycat->node, 0.f);
hungrycat->state = HUNGRYCAT_STATE_LEAVE;
break;
case HUNGRYCAT_STATE_LEAVE:
play_context_enter(play, SARS_CONTEXT_GAME);
break;
default:
assert(0);
}
}
static void hungrycat_leave(play_t *play, void *context)
{
hungrycat_t *hungrycat = context;
assert(hungrycat);
/* we never reenter this context since it's just a splash, so
* the context leave is effectively the shutdown, cleanup.
*/
stage_free(hungrycat->node);
free(hungrycat);
/* XXX: this is icky though, play_context(SARS_CONTEXT_HUNGRYCAT) will
* return a dangling pointer! Not that it occurs anywhere though.
*/
}
const play_ops_t hungrycat_ops = {
.init = hungrycat_init,
.update = hungrycat_update,
.render = sars_render,
.dispatch = sars_dispatch,
.enter = hungrycat_enter,
.leave = hungrycat_leave,
};
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