File: 09_animation.c

package info (click to toggle)
mlv 3.1.0-8
  • links: PTS
  • area: main
  • in suites: bookworm
  • size: 10,596 kB
  • sloc: ansic: 18,982; sh: 4,760; makefile: 381; objc: 246; xml: 92
file content (162 lines) | stat: -rw-r--r-- 4,449 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/**
 *
 * Ce programme créé une fenêtre et affiche Bonjour.
 *
 * Pour cela le programme  utilise les fonctions suivantes : 
 *
 *------------------------------------------------------------------------------
 *------------------------------------------------------------------------------
 */

#include <MLV/MLV_all.h>
#include <stdio.h>
#include <stdlib.h>

//
// Attention ! 
// Pour pouvoir compiler ce programme sous windows et sous macintosh,
// il faut, pour la déclaration du main, respecter strictement la syntaxe
// suivante :
//
int main( int argc, char *argv[] ){
	int width = 640, height = 480;

	MLV_init_audio();
	MLV_create_window( "advanced - 9 animation", "animation", width, height );

	// On charge les données multimédias en mémoire
	const char* file_path_of_creature = "creature.png";
	MLV_Image* creature = MLV_load_image( file_path_of_creature );
	if( ! creature ){
		fprintf(
			stderr, "It was impossible to load the file %s.\n",
			file_path_of_creature
		);
		exit(1);
	}
	const char* file_path_of_sound = "walk.ogg";
	MLV_Sound* sound = MLV_load_sound( file_path_of_sound );
	if( ! sound ){
		fprintf(
			stderr, "It was impossible to load the file %s.\n",
			file_path_of_sound
		);
		exit(1);
	}

	// On construit une animation avec les donnée multimédias
	// précédement chargées.
	MLV_Animation* animation;
	int nb_frames = 6;
	int nb_layers = 1;
	int nb_channels = 1;
	int w = 79, h = 79;

	MLV_Image* images[4];
	images[0] = MLV_copy_partial_image( creature, 0, 0, w, h );
	images[1] = MLV_copy_partial_image( creature, 1*(w+1), 0, w, h );
	images[2] = MLV_copy_partial_image( creature, 2*(w+1), 0, w, h );
	images[3] = MLV_copy_partial_image( creature, 3*(w+1), 0, w, h );

	animation	= MLV_create_animation(
		nb_frames, nb_layers, nb_channels
	);

	int layer = 0;
	MLV_add_frame_in_animation( 
		images+0, &sound, 4, animation
	);
	MLV_add_frame_in_animation(
		images+1, NULL, 4, animation
	);
	MLV_add_frame_in_animation(
		images+2, &sound, 4, animation
	);
	MLV_add_frame_in_animation(
		images+3, NULL, 4, animation
	);

	// Création d'un lecteur d'animation
	MLV_Animation_player* animation_player = MLV_create_animation_player( animation );

	// On lance la lecture de l'animation
	MLV_play_animation_player( animation_player );

	// On active le son
	MLV_turn_on_sound_of_animation_player( animation_player, 0 );
	MLV_change_sound_volume_of_animation_player( animation_player, 0, 0.2 );

	// On fice le nombre d'image par seconde
	MLV_change_frame_rate( 24 );

	int avance = 0;
	int pas = 4;
	MLV_Keyboard_button touche;
	while( 
		MLV_get_event (
			&touche, NULL, NULL,
			NULL, NULL,
			NULL, NULL, NULL,
			NULL
		) == MLV_NONE ||
		touche != MLV_KEYBOARD_ESCAPE
 	){
		MLV_update_animation_player( animation_player );

		MLV_clear_window( MLV_COLOR_BROWN );
		MLV_draw_filled_rectangle(
			width/2,0, width/2, height, MLV_COLOR_YELLOW
		);
		avance += pas;
		if( avance > width-w ){
			MLV_play_revert_animation_player( animation_player );
			pas = -pas;
		}
		if( avance < 0 ){
			MLV_play_animation_player( animation_player );
			pas = -pas;
		}
		int position_y = 20;
		MLV_draw_image_from_animation_player( animation_player, layer, avance, position_y );
		MLV_update_window();
		MLV_play_sound_from_animation_player( animation_player, 0 );
		MLV_delay_according_to_frame_rate();
	}

	MLV_free_animation_player( animation_player );

	MLV_free_animation( animation );

	MLV_free_image( images[0] );
	MLV_free_image( images[1] );
	MLV_free_image( images[2] );
	MLV_free_image( images[3] );

	MLV_free_image( creature );

	MLV_free_window();
	MLV_free_audio();

	return 0;
}


/*
 *   This file is part of the MLV Library.
 *
 *   Copyright (C) 2010,2011,2012,2013 Adrien Boussicault, Marc Zipstein
 *
 *
 *    This Library is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This Library 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 Library.  If not, see <http://www.gnu.org/licenses/>.
 */