diff options
Diffstat (limited to 'src/input.c')
-rw-r--r-- | src/input.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/input.c b/src/input.c new file mode 100644 index 0000000..c78864d --- /dev/null +++ b/src/input.c | |||
@@ -0,0 +1,203 @@ | |||
1 | typedef enum { | ||
2 | CONTROL_CONTROLLER, | ||
3 | CONTROL_MOUSE, | ||
4 | CONTROL_KEYBOARD, | ||
5 | } ControlMethod; | ||
6 | |||
7 | const ControlMethod ctrl_methods[] = { | ||
8 | CONTROL_METHODS | ||
9 | }; | ||
10 | static ControlMethod ctrl_idx = 0; | ||
11 | |||
12 | #define MOUSE_DELTA 1 | ||
13 | typedef struct Mouse { | ||
14 | int x; | ||
15 | int y; | ||
16 | } Mouse; | ||
17 | |||
18 | static Mouse mouse = {SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2}; | ||
19 | |||
20 | void | ||
21 | handle_input() { | ||
22 | poll_keys(); | ||
23 | if (key_tap(KEY_L) || key_tap(KEY_R)) { | ||
24 | // Reset control variables on method switch. | ||
25 | switch (ctrl_methods[ctrl_idx]) { | ||
26 | case CONTROL_CONTROLLER: { | ||
27 | u8 *d = &device_data[0x80]; | ||
28 | d[2] = 0; | ||
29 | uxn_eval_asm(PEEK2(d)); | ||
30 | d[3] = 0; | ||
31 | } break; | ||
32 | case CONTROL_MOUSE: { | ||
33 | u8 *d = &device_data[0x90]; | ||
34 | d[6] = 0; | ||
35 | d[7] = 0; | ||
36 | POKE2(d + 0x2, -10); | ||
37 | POKE2(d + 0x4, -10); | ||
38 | uxn_eval_asm(PEEK2(d)); | ||
39 | } break; | ||
40 | case CONTROL_KEYBOARD: { | ||
41 | toggle_keyboard(); | ||
42 | } break; | ||
43 | } | ||
44 | |||
45 | // Update ctrl_idx. | ||
46 | ctrl_idx = (ctrl_idx + 1 > (int)LEN(ctrl_methods) - 1) ? 0 : ctrl_idx + 1; | ||
47 | |||
48 | // Initialize controller variables here. | ||
49 | if (ctrl_methods[ctrl_idx] == CONTROL_KEYBOARD) { | ||
50 | toggle_keyboard(); | ||
51 | } | ||
52 | } | ||
53 | |||
54 | if (ctrl_methods[ctrl_idx] == CONTROL_CONTROLLER) { | ||
55 | u8 *d = &device_data[0x80]; | ||
56 | // TODO: We don't need ifs if we use KEY_INPUTS directly and maybe just | ||
57 | // swap some things if needed. | ||
58 | u8 *flag = &d[2]; | ||
59 | if (key_tap(KEY_A)) { | ||
60 | *flag |= 0x01; | ||
61 | } else { | ||
62 | *flag &= ~0x01; | ||
63 | } | ||
64 | if (key_tap(KEY_B)) { | ||
65 | *flag |= 0x02; | ||
66 | } else { | ||
67 | *flag &= ~0x02; | ||
68 | } | ||
69 | if (key_tap(KEY_SELECT)) { | ||
70 | *flag |= 0x04; | ||
71 | } else { | ||
72 | *flag &= ~0x04; | ||
73 | } | ||
74 | if (key_tap(KEY_START)) { | ||
75 | *flag |= 0x08; | ||
76 | } else { | ||
77 | *flag &= ~0x08; | ||
78 | } | ||
79 | if (key_tap(KEY_UP)) { | ||
80 | *flag |= 0x10; | ||
81 | } else { | ||
82 | *flag &= ~0x10; | ||
83 | } | ||
84 | if (key_tap(KEY_DOWN)) { | ||
85 | *flag |= 0x20; | ||
86 | } else { | ||
87 | *flag &= ~0x20; | ||
88 | } | ||
89 | if (key_tap(KEY_LEFT)) { | ||
90 | *flag |= 0x40; | ||
91 | } else { | ||
92 | *flag &= ~0x40; | ||
93 | } | ||
94 | if (key_tap(KEY_RIGHT)) { | ||
95 | *flag |= 0x80; | ||
96 | } else { | ||
97 | *flag &= ~0x80; | ||
98 | } | ||
99 | |||
100 | if (key_prev != key_curr) { | ||
101 | uxn_eval_asm(PEEK2(d)); | ||
102 | } | ||
103 | d[3] = 0; | ||
104 | } else if (ctrl_methods[ctrl_idx] == CONTROL_MOUSE) { | ||
105 | u8 *d = &device_data[0x90]; | ||
106 | // Detect "mouse key press". | ||
107 | u8 flag = d[6]; | ||
108 | bool event = false; | ||
109 | if (key_tap(KEY_B)) { | ||
110 | event = true; | ||
111 | flag |= 0x01; | ||
112 | } else if (key_released(KEY_B)) { | ||
113 | event = true; | ||
114 | flag &= ~0x01; | ||
115 | } | ||
116 | if (key_tap(KEY_A)) { | ||
117 | event = true; | ||
118 | flag |= 0x10; | ||
119 | } else if (key_released(KEY_A)) { | ||
120 | event = true; | ||
121 | flag &= ~0x10; | ||
122 | } | ||
123 | |||
124 | // Handle chording. | ||
125 | d[6] = flag; | ||
126 | if(flag == 0x10 && (d[6] & 0x01)) { | ||
127 | d[7] = 0x01; | ||
128 | } | ||
129 | if(flag == 0x01 && (d[6] & 0x10)) { | ||
130 | d[7] = 0x10; | ||
131 | } | ||
132 | |||
133 | // Detect mouse movement. | ||
134 | if (key_pressed(KEY_UP)) { | ||
135 | event = true; | ||
136 | mouse.y = CLAMP(mouse.y - MOUSE_DELTA, 0, SCREEN_HEIGHT - 8); | ||
137 | } else if (key_pressed(KEY_DOWN)) { | ||
138 | event = true; | ||
139 | mouse.y = CLAMP(mouse.y + MOUSE_DELTA, 0, SCREEN_HEIGHT - 8); | ||
140 | } | ||
141 | if (key_pressed(KEY_LEFT)) { | ||
142 | event = true; | ||
143 | mouse.x = CLAMP(mouse.x - MOUSE_DELTA, 0, SCREEN_WIDTH - 8); | ||
144 | } else if (key_pressed(KEY_RIGHT)) { | ||
145 | event = true; | ||
146 | mouse.x = CLAMP(mouse.x + MOUSE_DELTA, 0, SCREEN_WIDTH - 8); | ||
147 | } | ||
148 | |||
149 | // Eval mouse. | ||
150 | POKE2(d + 0x2, mouse.x); | ||
151 | POKE2(d + 0x4, mouse.y); | ||
152 | if (event) { | ||
153 | uxn_eval_asm(PEEK2(d)); | ||
154 | } | ||
155 | } else if (ctrl_methods[ctrl_idx] == CONTROL_KEYBOARD) { | ||
156 | u8 *d = &device_data[0x80]; | ||
157 | if (key_tap(KEY_LEFT)) { | ||
158 | update_cursor(cursor_position - 1); | ||
159 | } else if (key_tap(KEY_RIGHT)) { | ||
160 | update_cursor(cursor_position + 1); | ||
161 | } | ||
162 | if (key_tap(KEY_UP) && cursor_position >= KEYBOARD_ROW_SIZE) { | ||
163 | update_cursor(cursor_position - KEYBOARD_ROW_SIZE); | ||
164 | } else if (key_tap(KEY_DOWN) | ||
165 | && cursor_position < LEN(keyboard) - KEYBOARD_ROW_SIZE) { | ||
166 | update_cursor(cursor_position + KEYBOARD_ROW_SIZE); | ||
167 | } | ||
168 | if (key_tap(KEY_B)) { | ||
169 | u8 symbol = keyboard[cursor_position].symbol; | ||
170 | switch (symbol) { | ||
171 | case 0x7f: { | ||
172 | // Backspace. | ||
173 | d[3] = 0x08; | ||
174 | } break; | ||
175 | case 0x14: { | ||
176 | // New line. | ||
177 | d[3] = 0x0d; | ||
178 | } break; | ||
179 | case 0x18: { | ||
180 | // Arrow up. | ||
181 | d[2] = 0x10; | ||
182 | } break; | ||
183 | case 0x19: { | ||
184 | // Arrow down. | ||
185 | d[2] = 0x20; | ||
186 | } break; | ||
187 | case 0x1b: { | ||
188 | // Arrow left. | ||
189 | d[2] = 0x40; | ||
190 | } break; | ||
191 | case 0x1a: { | ||
192 | // Arrow right. | ||
193 | d[2] = 0x80; | ||
194 | } break; | ||
195 | default: { | ||
196 | d[3] = symbol; | ||
197 | } break; | ||
198 | } | ||
199 | uxn_eval_asm(PEEK2(d)); | ||
200 | d[3] = 0; | ||
201 | } | ||
202 | } | ||
203 | } | ||