Mercurial > molko
view src/message.c @ 36:798baf7f3ec0
core: implement sys_data* functions for Windows
author | David Demelier <markand@malikania.fr> |
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date | Mon, 13 Jan 2020 20:48:41 +0100 |
parents | 783841af4033 |
children | b815621df3e3 |
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/* * message.c -- message dialog * * Copyright (c) 2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include "font.h" #include "message.h" #include "painter.h" #include "sprite.h" #include "texture.h" #define MESSAGE_SPEED 1000 /* Time delay for animations */ #define MESSAGE_TIMEOUT 5000 /* Time for auto-closing */ void message_start(struct message *msg) { assert(msg); msg->elapsed = 0; msg->state = MESSAGE_OPENING; } void message_update(struct message *msg, unsigned ticks) { assert(msg); msg->elapsed += ticks; switch (msg->state) { case MESSAGE_OPENING: if (msg->elapsed >= MESSAGE_SPEED) msg->state = MESSAGE_SHOWING; break; case MESSAGE_SHOWING: /* Do automatically switch state if requested by the user. */ if (msg->flags & MESSAGE_AUTOMATIC && msg->elapsed >= MESSAGE_TIMEOUT) msg->state = MESSAGE_HIDING; break; default: break; } } void message_draw(struct message *msg) { assert(msg); /* TODO: more constant variables. */ struct texture *lines[3]; int x = 160; int y = 80; painter_set_color(0xff0000ff); painter_draw_rectangle(true, x, y, 960, 160); for (int i = 0; msg->text[i]; ++i) { lines[i] = font_render(msg->font, msg->text[i], 0xffffffff); if (!lines[i]) continue; texture_draw(lines[i], x, y); texture_close(lines[i]); y += 53; } } void message_hide(struct message *msg) { assert(msg); msg->elapsed = 0; } bool message_is_complete(struct message *msg) { assert(msg); return msg->state == MESSAGE_HIDING && msg->elapsed >= MESSAGE_SPEED; }