Mirai's Miscellaneous Misadventures
M45 / chapters / loader / setup.c
1#include <mimimi-chapters.h>
5struct mimimi_loader_chapter_info
7{
8 char *name, *description;
9 void (*start)(void *chapter, struct mimimi_engine *engine);
10 void (*tick)(void *chapter, unsigned char left, unsigned char right);
11};
12static struct mimimi_loader_chapter_info mimimi_loader_chapters[] =
14{
15 {
16 "test chapter", "This is a chapter to test the foundations of the game and its engine. It features the characters Mango and Pepper!",
17 &mimimi_test, &mimimi_test_tick,
18 },
19 {
20 "chapter I", "This is the first chapter of the game! It is currently still a work-in-progress, but strives to eventually come to tell a story.",
21 &mimimi_chapter_I, &mimimi_chapter_I_tick,
22 },
23};
24static void mimimi_loader_fill(struct mimimi_image *image, unsigned char color)
26{
27 int i;
28 for (i = 0 ; i < image->width * image->height ; i++)
29 image->colors[i] = color;
30}
31void mimimi_loader_tick(void *data, unsigned char left, unsigned char right)
33{
34 static int count = sizeof mimimi_loader_chapters / sizeof *mimimi_loader_chapters;
35
36 struct mimimi_loader *loader;
37 struct mimimi_loader_data *chapter;
38 void *chapter_data;
39 int i;
40 int x, y;
41 int width, height;
42
43 loader = data;
44
45 if (loader->started == 2)
46 {
47 chapter_data = &loader->chapter;
48 (*mimimi_loader_chapters[loader->index].tick)(chapter_data, left, right);
49 return;
50 }
51
52 if (left != 0 && right != 0)
53 {
54 loader->started = 1;
55 }
56
57 chapter = &loader->chapter.data;
58
59 if (loader->started == 1)
60 {
61 if (left == 0 && right == 0)
62 {
63 (*chapter->engine->invalidate)(chapter->engine->data, chapter->background);
64 for (i = 0 ; i < count ; i++)
65 (*chapter->engine->invalidate)(chapter->engine->data, chapter->textures[i]);
66
67 chapter_data = &loader->chapter;
68 loader->started = 2;
69 (*mimimi_loader_chapters[loader->index].start)(chapter_data, loader->chapter.data.engine);
70 (*mimimi_loader_chapters[loader->index].tick)(chapter_data, left, right);
71
72 return;
73 }
74 }
75 else
76 {
77 if (left == 0)
78 if (chapter->previous_direction == -1)
79 if (loader->index > 0)
80 loader->index--;
81
82 if (right == 0)
83 if (chapter->previous_direction == 1)
84 if (loader->index < count - 1)
85 loader->index++;
86
87 chapter->previous_direction = 0;
88 if (left != 0) chapter->previous_direction = -1;
89 if (right != 0) chapter->previous_direction = 1;
90 }
91
92 width = chapter->images[0].width;
93 height = chapter->images[0].height;
94
95 chapter->x *= 3;
96 chapter->x += (width + 8) * loader->index;
97 chapter->x /= 4;
98
99 (*chapter->engine->stamp)(chapter->engine->data, 0, 0, chapter->background);
100 for (i = 0 ; i < count ; i++)
101 {
102 x = chapter->engine->size.width / 2 - width / 2;
103 y = chapter->engine->size.height / 2 - height / 2;
104 x += (width + 8) * i - chapter->x;
105 (*chapter->engine->stamp)(chapter->engine->data, x, y, chapter->textures[i]);
106 }
107}
108void mimimi_loader(void *data, struct mimimi_engine *engine)
110{
111 static int count = sizeof mimimi_loader_chapters / sizeof *mimimi_loader_chapters;
112 static unsigned char background_colors[512 * 256];
113 static char title[] = "select chapter";
114 static char note[] = "press [left] and [right] at the same time to select";
115
116 struct mimimi_loader *loader;
117 struct mimimi_loader_data *chapter;
118 struct mimimi_image background;
119 int i;
120 unsigned char *colors;
121 struct mimimi_image *image;
122 struct mimimi_loader_chapter_info *info;
123 int y;
124 int width;
125
126 loader = data;
127 chapter = &loader->chapter.data;
128
129 loader->index = 0;
130 loader->started = 0;
131 chapter->engine = engine;
132 chapter->previous_direction = 0;
133 chapter->x = 0;
134
135 background.colors = background_colors;
136 background.width = 512;
137 background.height = 256;
138 mimimi_loader_fill(&background, 0x16);
139
140 width = mimimi_measure_paragraph(mimimi_font, title);
141 mimimi_draw_paragraph(mimimi_font, title, &background, background.width / 2 - width / 2, 32, 0xD);
142
143 width = mimimi_measure_paragraph(mimimi_font, note);
144 mimimi_draw_paragraph(mimimi_font, note, &background, background.width / 2 - width / 2, background.height - 32 - 16, 0xD);
145
146 chapter->background = (*chapter->engine->texture)(chapter->engine->data, &background);
147
148 colors = chapter->colors;
149
150 for (i = 0 ; i < count ; i++)
151 {
152 info = mimimi_loader_chapters + i;
153 image = chapter->images + i;
154 image->width = 192;
155 image->height = 96;
156 image->colors = colors;
157 colors += image->width * image->height;
158 mimimi_loader_fill(image, 0xD);
159 y = mimimi_draw_text(mimimi_font, info->name, 172, 18, image, 8, 2, 4);
160 mimimi_draw_text(mimimi_font, info->description, 172, 18, image, 8, y + 4, 4);
161 chapter->textures[i] = (*engine->texture)(engine->data, image);
162 }
163}