Wed, 06 Mar 2024 23:08:03 +0100
add behavior nodes + restructure test program
Also, the test program will now officially be a game of snake.
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 * Copyright 2023 Mike Becker. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
28 #ifndef ASCENSION_CONTEXT_H
29 #define ASCENSION_CONTEXT_H
31 #include "datatypes.h"
32 #include "window.h"
33 #include "font.h"
35 #include <cx/buffer.h>
37 /** The flag for the overall initialized state. */
38 #define ASC_FLAG_INITILIZED 0x01u
40 /** Flag is set, when error buffer contains new error information. */
41 #define ASC_FLAG_HAS_ERROR 0x02u
43 /** Flag is set, when SDL wants to quit the application. */
44 #define ASC_FLAG_QUIT 0x80000000u
46 /**
47 * The global ascension context.
48 */
49 typedef struct AscContext {
50 unsigned int flags;
51 CxBuffer error_buffer;
52 AscWindow windows[ASC_MAX_WINDOWS];
53 AscWindow *active_window;
54 AscFont fonts[ASC_MAX_FONTS];
55 unsigned int fonts_loaded;
56 AscFont const *active_font;
57 asc_col4i ink;
58 unsigned int elapsed_millis;
59 float elapsed;
60 } AscContext;
62 /** Global ascension context. */
63 extern AscContext asc_context;
65 void asc_context_initialize(void);
66 void asc_context_destroy(void);
69 /**
70 * Dispatches events and synchronizes all initialized windows.
71 *
72 * @return false, if the application wants to quit, true otherwise
73 */
74 bool asc_loop_next(void);
76 /**
77 * Sets the active drawing color.
78 */
79 #define asc_ink(color) asc_context.ink = (color)
80 #define asc_ink_rgba(r,g,b,a) asc_context.ink = (asc_col4i){(r),(g),(b),(a)}
81 #define asc_ink_rgb(r,g,b) asc_context.ink = (asc_col4i){(r),(g),(b),255u}
83 /**
84 * Sets the active drawing font.
85 */
86 #define asc_set_font(font) asc_context.active_font = (font)
88 #endif /* ASCENSION_CONTEXT_H */