src/platform/wii/main.c (view raw)
1/* Copyright (c) 2013-2015 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#define asm __asm__
7
8#include <fat.h>
9#include <gccore.h>
10#include <malloc.h>
11#include <wiiuse/wpad.h>
12
13#include "util/common.h"
14
15#include "gba/renderers/video-software.h"
16#include "gba/context/context.h"
17#include "gba/gui/gui-runner.h"
18#include "util/gui.h"
19#include "util/gui/file-select.h"
20#include "util/gui/font.h"
21#include "util/vfs.h"
22
23#define SAMPLES 1024
24
25static void _audioDMA(void);
26static void _setRumble(struct GBARumble* rumble, int enable);
27static void _sampleRotation(struct GBARotationSource* source);
28static int32_t _readTiltX(struct GBARotationSource* source);
29static int32_t _readTiltY(struct GBARotationSource* source);
30static int32_t _readGyroZ(struct GBARotationSource* source);
31
32static void _drawStart(void);
33static void _drawEnd(void);
34static uint32_t _pollInput(void);
35static enum GUICursorState _pollCursor(int* x, int* y);
36static void _guiPrepare(void);
37static void _guiFinish(void);
38
39static void _setup(struct GBAGUIRunner* runner);
40static void _gameLoaded(struct GBAGUIRunner* runner);
41static void _gameUnloaded(struct GBAGUIRunner* runner);
42static void _drawFrame(struct GBAGUIRunner* runner, bool faded);
43static uint16_t _pollGameInput(struct GBAGUIRunner* runner);
44
45static struct GBAVideoSoftwareRenderer renderer;
46static struct GBARumble rumble;
47static struct GBARotationSource rotation;
48static GXRModeObj* mode;
49static Mtx model, view, modelview;
50static uint16_t* texmem;
51static GXTexObj tex;
52static int32_t tiltX;
53static int32_t tiltY;
54static int32_t gyroZ;
55
56static void* framebuffer[2];
57static int whichFb = 0;
58
59static struct GBAStereoSample audioBuffer[3][SAMPLES] __attribute__((__aligned__(32)));
60static volatile size_t audioBufferSize = 0;
61static volatile int currentAudioBuffer = 0;
62
63static struct GUIFont* font;
64
65int main() {
66 VIDEO_Init();
67 PAD_Init();
68 WPAD_Init();
69 WPAD_SetDataFormat(0, WPAD_FMT_BTNS_ACC_IR);
70 AUDIO_Init(0);
71 AUDIO_SetDSPSampleRate(AI_SAMPLERATE_48KHZ);
72 AUDIO_RegisterDMACallback(_audioDMA);
73
74 memset(audioBuffer, 0, sizeof(audioBuffer));
75
76#if !defined(COLOR_16_BIT) && !defined(COLOR_5_6_5)
77#error This pixel format is unsupported. Please use -DCOLOR_16-BIT -DCOLOR_5_6_5
78#endif
79
80 mode = VIDEO_GetPreferredMode(0);
81 framebuffer[0] = SYS_AllocateFramebuffer(mode);
82 framebuffer[1] = SYS_AllocateFramebuffer(mode);
83
84 VIDEO_Configure(mode);
85 VIDEO_SetNextFramebuffer(framebuffer[whichFb]);
86 VIDEO_SetBlack(FALSE);
87 VIDEO_Flush();
88 VIDEO_WaitVSync();
89 if (mode->viTVMode & VI_NON_INTERLACE) {
90 VIDEO_WaitVSync();
91 }
92
93 GXColor bg = { 0, 0, 0, 0xFF };
94 void* fifo = memalign(32, 0x40000);
95 memset(fifo, 0, 0x40000);
96 GX_Init(fifo, 0x40000);
97 GX_SetCopyClear(bg, 0x00FFFFFF);
98 GX_SetViewport(0, 0, mode->fbWidth, mode->efbHeight, 0, 1);
99
100 f32 yscale = GX_GetYScaleFactor(mode->efbHeight, mode->xfbHeight);
101 u32 xfbHeight = GX_SetDispCopyYScale(yscale);
102 GX_SetScissor(0, 0, mode->viWidth, mode->viWidth);
103 GX_SetDispCopySrc(0, 0, mode->fbWidth, mode->efbHeight);
104 GX_SetDispCopyDst(mode->fbWidth, xfbHeight);
105 GX_SetCopyFilter(mode->aa, mode->sample_pattern, GX_TRUE, mode->vfilter);
106 GX_SetFieldMode(mode->field_rendering, ((mode->viHeight == 2 * mode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
107
108 GX_SetCullMode(GX_CULL_NONE);
109 GX_CopyDisp(framebuffer[whichFb], GX_TRUE);
110 GX_SetDispCopyGamma(GX_GM_1_0);
111
112 GX_ClearVtxDesc();
113 GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
114 GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
115 GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
116
117 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XY, GX_S16, 0);
118 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_S16, 0);
119 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
120
121 GX_SetNumChans(1);
122 GX_SetNumTexGens(1);
123 GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
124 GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
125
126 GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
127 GX_InvVtxCache();
128 GX_InvalidateTexAll();
129
130 guVector cam = { 0.0f, 0.0f, 0.0f };
131 guVector up = { 0.0f, 1.0f, 0.0f };
132 guVector look = { 0.0f, 0.0f, -1.0f };
133 guLookAt(view, &cam, &up, &look);
134
135 guMtxIdentity(model);
136 guMtxTransApply(model, model, 0.0f, 0.0f, -6.0f);
137 guMtxConcat(view, model, modelview);
138 GX_LoadPosMtxImm(modelview, GX_PNMTX0);
139
140 texmem = memalign(32, 256 * 256 * BYTES_PER_PIXEL);
141 memset(texmem, 0, 256 * 256 * BYTES_PER_PIXEL);
142 GX_InitTexObj(&tex, texmem, 256, 256, GX_TF_RGB565, GX_CLAMP, GX_CLAMP, GX_FALSE);
143
144 font = GUIFontCreate();
145
146 fatInitDefault();
147
148 rumble.setRumble = _setRumble;
149
150 rotation.sample = _sampleRotation;
151 rotation.readTiltX = _readTiltX;
152 rotation.readTiltY = _readTiltY;
153 rotation.readGyroZ = _readGyroZ;
154
155 struct GBAGUIRunner runner = {
156 .params = {
157 352, 230,
158 font, "/",
159 _drawStart, _drawEnd,
160 _pollInput, _pollCursor,
161 _guiPrepare, _guiFinish,
162
163 GUI_PARAMS_TRAIL
164 },
165 .setup = _setup,
166 .teardown = 0,
167 .gameLoaded = _gameLoaded,
168 .gameUnloaded = _gameUnloaded,
169 .prepareForFrame = 0,
170 .drawFrame = _drawFrame,
171 .paused = _gameUnloaded,
172 .unpaused = 0,
173 .pollGameInput = _pollGameInput
174 };
175 GBAGUIInit(&runner, "wii");
176 GBAGUIRunloop(&runner);
177 GBAGUIDeinit(&runner);
178
179 free(fifo);
180
181 free(renderer.outputBuffer);
182 GUIFontDestroy(font);
183
184 return 0;
185}
186
187static void _audioDMA(void) {
188 if (!audioBufferSize) {
189 return;
190 }
191 DCFlushRange(audioBuffer[currentAudioBuffer], audioBufferSize * sizeof(struct GBAStereoSample));
192 AUDIO_InitDMA((u32) audioBuffer[currentAudioBuffer], audioBufferSize * sizeof(struct GBAStereoSample));
193 currentAudioBuffer = (currentAudioBuffer + 1) % 3;
194 audioBufferSize = 0;
195}
196
197static void _drawStart(void) {
198 VIDEO_WaitVSync();
199 GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
200 GX_SetColorUpdate(GX_TRUE);
201
202 GX_SetViewport(0, 0, mode->fbWidth, mode->efbHeight, 0, 1);
203}
204
205static void _drawEnd(void) {
206 GX_DrawDone();
207
208 whichFb = !whichFb;
209
210 GX_CopyDisp(framebuffer[whichFb], GX_TRUE);
211 VIDEO_SetNextFramebuffer(framebuffer[whichFb]);
212 VIDEO_Flush();
213}
214
215static uint32_t _pollInput(void) {
216 PAD_ScanPads();
217 u16 padkeys = PAD_ButtonsHeld(0);
218
219 WPAD_ScanPads();
220 u32 wiiPad = WPAD_ButtonsHeld(0);
221 u32 ext = 0;
222 WPAD_Probe(0, &ext);
223
224 int keys = 0;
225 int x = PAD_StickX(0);
226 int y = PAD_StickY(0);
227 if (x < -0x40) {
228 keys |= 1 << GUI_INPUT_LEFT;
229 }
230 if (x > 0x40) {
231 keys |= 1 << GUI_INPUT_RIGHT;
232 }
233 if (y < -0x40) {
234 keys |= 1 << GUI_INPUT_DOWN;
235 }
236 if (y > 0x40) {
237 keys |= 1 << GUI_INPUT_UP;
238 }
239 if ((padkeys & PAD_BUTTON_A) || (wiiPad & WPAD_BUTTON_2) ||
240 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & (WPAD_CLASSIC_BUTTON_A | WPAD_CLASSIC_BUTTON_Y)))) {
241 keys |= 1 << GUI_INPUT_SELECT;
242 }
243 if ((padkeys & PAD_BUTTON_B) || (wiiPad & WPAD_BUTTON_1) || (wiiPad & WPAD_BUTTON_B) ||
244 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & (WPAD_CLASSIC_BUTTON_B | WPAD_CLASSIC_BUTTON_X)))) {
245 keys |= 1 << GUI_INPUT_BACK;
246 }
247 if ((padkeys & PAD_TRIGGER_Z) || (wiiPad & WPAD_BUTTON_HOME) ||
248 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & (WPAD_CLASSIC_BUTTON_HOME)))) {
249 keys |= 1 << GUI_INPUT_CANCEL;
250 }
251 if ((padkeys & PAD_BUTTON_LEFT)|| (wiiPad & WPAD_BUTTON_UP) ||
252 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_LEFT))) {
253 keys |= 1 << GUI_INPUT_LEFT;
254 }
255 if ((padkeys & PAD_BUTTON_RIGHT) || (wiiPad & WPAD_BUTTON_DOWN) ||
256 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_RIGHT))) {
257 keys |= 1 << GUI_INPUT_RIGHT;
258 }
259 if ((padkeys & PAD_BUTTON_UP) || (wiiPad & WPAD_BUTTON_RIGHT) ||
260 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_UP))) {
261 keys |= 1 << GUI_INPUT_UP;
262 }
263 if ((padkeys & PAD_BUTTON_DOWN) || (wiiPad & WPAD_BUTTON_LEFT) ||
264 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_DOWN))) {
265 keys |= 1 << GUI_INPUT_DOWN;
266 }
267 return keys;
268}
269
270static enum GUICursorState _pollCursor(int* x, int* y) {
271 ir_t ir;
272 WPAD_IR(0, &ir);
273 if (!ir.smooth_valid) {
274 return GUI_CURSOR_NOT_PRESENT;
275 }
276 *x = ir.sx;
277 *y = ir.sy;
278 WPAD_ScanPads();
279 u32 wiiPad = WPAD_ButtonsHeld(0);
280 if (wiiPad & WPAD_BUTTON_A) {
281 return GUI_CURSOR_DOWN;
282 }
283 return GUI_CURSOR_UP;
284}
285
286void _guiPrepare(void) {
287 Mtx44 proj;
288 guOrtho(proj, -20, 240, 0, 352, 0, 300);
289 GX_LoadProjectionMtx(proj, GX_ORTHOGRAPHIC);
290}
291
292void _guiFinish(void) {
293 Mtx44 proj;
294 guOrtho(proj, -10, VIDEO_VERTICAL_PIXELS + 10, 0, VIDEO_HORIZONTAL_PIXELS, 0, 300);
295 GX_LoadProjectionMtx(proj, GX_ORTHOGRAPHIC);
296}
297
298void _setup(struct GBAGUIRunner* runner) {
299 runner->context.gba->rumble = &rumble;
300 runner->context.gba->rotationSource = &rotation;
301
302 GBAVideoSoftwareRendererCreate(&renderer);
303 renderer.outputBuffer = memalign(32, 256 * 256 * BYTES_PER_PIXEL);
304 renderer.outputBufferStride = 256;
305 runner->context.renderer = &renderer.d;
306
307 GBAAudioResizeBuffer(&runner->context.gba->audio, SAMPLES);
308
309#if RESAMPLE_LIBRARY == RESAMPLE_BLIP_BUF
310 double ratio = GBAAudioCalculateRatio(1, 60 / 1.001, 1);
311 blip_set_rates(runner->context.gba->audio.left, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio);
312 blip_set_rates(runner->context.gba->audio.right, GBA_ARM7TDMI_FREQUENCY, 48000 * ratio);
313#endif
314}
315
316void _gameUnloaded(struct GBAGUIRunner* runner) {
317 UNUSED(runner);
318 AUDIO_StopDMA();
319}
320
321void _gameLoaded(struct GBAGUIRunner* runner) {
322 if (runner->context.gba->memory.hw.devices & HW_GYRO) {
323 int i;
324 for (i = 0; i < 6; ++i) {
325 u32 result = WPAD_SetMotionPlus(0, 1);
326 if (result == WPAD_ERR_NONE) {
327 break;
328 }
329 sleep(1);
330 }
331 }
332}
333
334void _drawFrame(struct GBAGUIRunner* runner, bool faded) {
335#if RESAMPLE_LIBRARY == RESAMPLE_BLIP_BUF
336 int available = blip_samples_avail(runner->context.gba->audio.left);
337 if (available + audioBufferSize > SAMPLES) {
338 available = SAMPLES - audioBufferSize;
339 }
340 available &= ~((32 / sizeof(struct GBAStereoSample)) - 1); // Force align to 32 bytes
341 if (available > 0) {
342 blip_read_samples(runner->context.gba->audio.left, &audioBuffer[currentAudioBuffer][audioBufferSize].left, available, true);
343 blip_read_samples(runner->context.gba->audio.right, &audioBuffer[currentAudioBuffer][audioBufferSize].right, available, true);
344 audioBufferSize += available;
345 }
346 if (audioBufferSize == SAMPLES && !AUDIO_GetDMAEnableFlag()) {
347 _audioDMA();
348 AUDIO_StartDMA();
349 }
350#endif
351
352 uint32_t color = 0xFFFFFF3F;
353 if (!faded) {
354 color |= 0xC0;
355 }
356 size_t x, y;
357 uint64_t* texdest = (uint64_t*) texmem;
358 uint64_t* texsrc = (uint64_t*) renderer.outputBuffer;
359 for (y = 0; y < VIDEO_VERTICAL_PIXELS; y += 4) {
360 for (x = 0; x < VIDEO_HORIZONTAL_PIXELS >> 2; ++x) {
361 texdest[0 + x * 4 + y * 64] = texsrc[0 + x + y * 64];
362 texdest[1 + x * 4 + y * 64] = texsrc[64 + x + y * 64];
363 texdest[2 + x * 4 + y * 64] = texsrc[128 + x + y * 64];
364 texdest[3 + x * 4 + y * 64] = texsrc[192 + x + y * 64];
365 }
366 }
367 DCFlushRange(texdest, 256 * 256 * BYTES_PER_PIXEL);
368
369 if (faded) {
370 GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_NOOP);
371 } else {
372 GX_SetBlendMode(GX_BM_NONE, GX_BL_ONE, GX_BL_ZERO, GX_LO_NOOP);
373 }
374 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_S16, 0);
375 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
376 GX_InvalidateTexAll();
377 GX_LoadTexObj(&tex, GX_TEXMAP0);
378
379 GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
380 GX_Position2s16(0, 256);
381 GX_Color1u32(color);
382 GX_TexCoord2s16(0, 1);
383
384 GX_Position2s16(256, 256);
385 GX_Color1u32(color);
386 GX_TexCoord2s16(1, 1);
387
388 GX_Position2s16(256, 0);
389 GX_Color1u32(color);
390 GX_TexCoord2s16(1, 0);
391
392 GX_Position2s16(0, 0);
393 GX_Color1u32(color);
394 GX_TexCoord2s16(0, 0);
395 GX_End();
396}
397
398uint16_t _pollGameInput(struct GBAGUIRunner* runner) {
399 UNUSED(runner);
400 PAD_ScanPads();
401 u16 padkeys = PAD_ButtonsHeld(0);
402 WPAD_ScanPads();
403 u32 wiiPad = WPAD_ButtonsHeld(0);
404 u32 ext = 0;
405 uint16_t keys = 0;
406 WPAD_Probe(0, &ext);
407
408 if ((padkeys & PAD_BUTTON_A) || (wiiPad & WPAD_BUTTON_2) ||
409 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & (WPAD_CLASSIC_BUTTON_A | WPAD_CLASSIC_BUTTON_Y)))) {
410 keys |= 1 << GBA_KEY_A;
411 }
412 if ((padkeys & PAD_BUTTON_B) || (wiiPad & WPAD_BUTTON_1) ||
413 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & (WPAD_CLASSIC_BUTTON_B | WPAD_CLASSIC_BUTTON_X)))) {
414 keys |= 1 << GBA_KEY_B;
415 }
416 if ((padkeys & PAD_TRIGGER_L) || (wiiPad & WPAD_BUTTON_B) ||
417 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_FULL_L))) {
418 keys |= 1 << GBA_KEY_L;
419 }
420 if ((padkeys & PAD_TRIGGER_R) || (wiiPad & WPAD_BUTTON_A) ||
421 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_FULL_R))) {
422 keys |= 1 << GBA_KEY_R;
423 }
424 if ((padkeys & PAD_BUTTON_START) || (wiiPad & WPAD_BUTTON_PLUS) ||
425 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_PLUS))) {
426 keys |= 1 << GBA_KEY_START;
427 }
428 if ((padkeys & (PAD_BUTTON_X | PAD_BUTTON_Y)) || (wiiPad & WPAD_BUTTON_MINUS) ||
429 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_MINUS))) {
430 keys |= 1 << GBA_KEY_SELECT;
431 }
432 if ((padkeys & PAD_BUTTON_LEFT) || (wiiPad & WPAD_BUTTON_UP) ||
433 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_LEFT))) {
434 keys |= 1 << GBA_KEY_LEFT;
435 }
436 if ((padkeys & PAD_BUTTON_RIGHT) || (wiiPad & WPAD_BUTTON_DOWN) ||
437 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_RIGHT))) {
438 keys |= 1 << GBA_KEY_RIGHT;
439 }
440 if ((padkeys & PAD_BUTTON_UP) || (wiiPad & WPAD_BUTTON_RIGHT) ||
441 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_UP))) {
442 keys |= 1 << GBA_KEY_UP;
443 }
444 if ((padkeys & PAD_BUTTON_DOWN) || (wiiPad & WPAD_BUTTON_LEFT) ||
445 ((ext == WPAD_EXP_CLASSIC) && (wiiPad & WPAD_CLASSIC_BUTTON_DOWN))) {
446 keys |= 1 << GBA_KEY_DOWN;
447 }
448 int x = PAD_StickX(0);
449 int y = PAD_StickY(0);
450 if (x < -0x40) {
451 keys |= 1 << GBA_KEY_LEFT;
452 }
453 if (x > 0x40) {
454 keys |= 1 << GBA_KEY_RIGHT;
455 }
456 if (y < -0x40) {
457 keys |= 1 << GBA_KEY_DOWN;
458 }
459 if (y > 0x40) {
460 keys |= 1 << GBA_KEY_UP;
461 }
462 return keys;
463}
464
465void _setRumble(struct GBARumble* rumble, int enable) {
466 UNUSED(rumble);
467 WPAD_Rumble(0, enable);
468 if (enable) {
469 PAD_ControlMotor(0, PAD_MOTOR_RUMBLE);
470 } else {
471 PAD_ControlMotor(0, PAD_MOTOR_STOP);
472 }
473}
474
475void _sampleRotation(struct GBARotationSource* source) {
476 UNUSED(source);
477 vec3w_t accel;
478 WPAD_Accel(0, &accel);
479 // These are swapped
480 tiltX = (accel.y - 0x1EA) << 22;
481 tiltY = (accel.x - 0x1EA) << 22;
482
483 // This doesn't seem to work at all with -TR remotes
484 struct expansion_t exp;
485 WPAD_Expansion(0, &exp);
486 if (exp.type != EXP_MOTION_PLUS) {
487 return;
488 }
489 gyroZ = exp.mp.rz - 0x1FA0;
490 gyroZ <<= 18;
491}
492
493int32_t _readTiltX(struct GBARotationSource* source) {
494 UNUSED(source);
495 return tiltX;
496}
497
498int32_t _readTiltY(struct GBARotationSource* source) {
499 UNUSED(source);
500 return tiltY;
501}
502
503int32_t _readGyroZ(struct GBARotationSource* source) {
504 UNUSED(source);
505 return gyroZ;
506}