Mercurial > molko
view examples/example-message/example-message.c @ 498:41267f6e344d
examples: use mlk_example_finish
author | David Demelier <markand@malikania.fr> |
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date | Tue, 28 Feb 2023 13:47:00 +0100 |
parents | 8d5a266a1774 |
children | 52a305833381 |
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/* * example-message.c -- show how to use messages * * Copyright (c) 2020-2023 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 <stddef.h> #include <mlk/core/core.h> #include <mlk/core/event.h> #include <mlk/core/game.h> #include <mlk/core/painter.h> #include <mlk/core/panic.h> #include <mlk/core/state.h> #include <mlk/core/sys.h> #include <mlk/core/util.h> #include <mlk/core/window.h> #include <mlk/ui/frame.h> #include <mlk/ui/theme.h> #include <mlk/ui/ui.h> #include <mlk/rpg/message.h> #include <mlk/rpg/rpg.h> #include <mlk/example/example.h> #define MW (MLK_EXAMPLE_W * 0.75) #define MH (MLK_EXAMPLE_H * 0.120) #define MX ((MLK_EXAMPLE_W / 2) - (MW / 2)) #define MY (100) static struct mlk_state *states[1]; static void init(void) { int err; if ((err = mlk_example_init("example-message")) < 0) mlk_panicf("mlk_example_init: %s", mlk_err_string(err)); } static void handle(struct mlk_state *st, const union mlk_event *ev) { switch (ev->type) { case MLK_EVENT_QUIT: mlk_game_quit(); break; default: message_handle(st->data, ev); break; } } static void update(struct mlk_state *st, unsigned int ticks) { if (message_update(st->data, ticks)) mlk_game_quit(); } static void draw(struct mlk_state *st) { mlk_painter_set_color(0xffffffff); mlk_painter_clear(); message_draw(st->data); mlk_painter_present(); } static void run(struct message *msg) { struct mlk_state state = { .data = msg, .handle = handle, .update = update, .draw = draw }; message_start(msg); mlk_game_init(states, MLK_UTIL_SIZE(states)); mlk_game_push(&state); mlk_game_loop(); } static void my_draw_frame(const struct mlk_theme *th, const struct mlk_frame *f) { (void)th; mlk_painter_set_color(0xff0000ff); mlk_painter_draw_rectangle(f->x, f->y, f->w, f->h); } static void basic(void) { const char * const text[] = { "This is a basic message.", "Vertical spacing is automatically computed.", "You need to press <Enter> to close it.", }; struct message msg = { .x = MX, .y = MY, .w = MW, .spacing = 12, .lines = text, .linesz = 3 }; message_query(&msg, NULL, &msg.h); run(&msg); } static void automatic(void) { const char * const text[] = { "This is a an automatic message.", "It will disappear in a few seconds.", "You can still press <Enter> to close it quicker." }; struct message msg = { .x = MX, .y = MY, .w = MW, .timeout = MESSAGE_TIMEOUT_DEFAULT, .lines = text, .linesz = 3, .flags = MESSAGE_FLAGS_AUTOMATIC }; message_query(&msg, NULL, &msg.h); run(&msg); } static void fadein(void) { const char * const text[] = { "This message will fade in." }; struct message msg = { .x = MX, .y = MY, .w = MW, .delay = MESSAGE_DELAY_DEFAULT, .lines = text, .linesz = 1, .flags = MESSAGE_FLAGS_FADEIN }; message_query(&msg, NULL, &msg.h); run(&msg); } static void fadeout(void) { const char * const text[] = { "This message will fade out." }; struct message msg = { .x = MX, .y = MY, .w = MW, .delay = MESSAGE_DELAY_DEFAULT, .lines = text, .linesz = 1, .flags = MESSAGE_FLAGS_FADEOUT }; message_query(&msg, NULL, &msg.h); run(&msg); } static void fade(void) { const char * const text[] = { "This message will fade in and out." }; struct message msg = { .x = MX, .y = MY, .w = MW, .delay = MESSAGE_DELAY_DEFAULT, .lines = text, .linesz = 1, .flags = MESSAGE_FLAGS_FADEIN | MESSAGE_FLAGS_FADEOUT }; message_query(&msg, NULL, &msg.h); run(&msg); } static void question(void) { const char * const text[] = { "Okay, I've understood.", "Nevermind, I'll do it again." }; struct message msg = { .x = MX, .y = MY, .w = MW, .lines = text, .linesz = 2, .flags = MESSAGE_FLAGS_QUESTION }; message_query(&msg, NULL, &msg.h); run(&msg); } static void smallbottom(void) { const unsigned int w = mlk_window.w / 4; const unsigned int h = MH; const int x = (mlk_window.w / 2) - (w / 2); const int y = (mlk_window.h - h - 10); const char * const text[] = { "This one is small here." }; struct message msg = { .x = x, .y = y, .w = w, .h = h, .delay = MESSAGE_DELAY_DEFAULT, .flags = MESSAGE_FLAGS_FADEIN | MESSAGE_FLAGS_FADEOUT, .lines = text, .linesz = 1 }; run(&msg); } static void toosmallh(void) { const char * const text[] = { "This one is too small in height and will emit a warning.", "Because this line will be incomplete." }; struct message msg = { .x = MX, .y = MY, .w = MW, .h = 40, .lines = text, .linesz = 2 }; run(&msg); } static void toosmallw(void) { const char * const text[] = { "This one is too small in width." }; struct message msg = { .x = MX, .y = MY, .w = 160, .h = MH, .lines = text, .linesz = 1 }; run(&msg); } static void custom(void) { const char * const text[] = { "This one will destroy your eyes.", "Because it use a terrible custom theme." }; struct mlk_theme theme; struct message msg = { .x = MX, .y = MY, .w = MW, .h = MH, .lines = text, .linesz = 2, .theme = &theme }; /* Borrow default theme and change its frame drawing. */ mlk_theme_shallow(&theme, NULL); theme.draw_frame = my_draw_frame; theme.colors[MLK_THEME_COLOR_NORMAL] = 0x0000ffff; run(&msg); } static void quit(void) { mlk_example_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); basic(); fadein(); fadeout(); fade(); automatic(); question(); smallbottom(); toosmallh(); toosmallw(); custom(); quit(); }