void S_Init() {
// Starta OpenAL
device = alcOpenDevice(NULL);
if (device == NULL) {
SYS_Error("Failed to open an audio device!\n");
}
ALCcontext* context = alcCreateContext(device, NULL);
if (context == NULL) {
SYS_Error("Failed to initialize OpenAL!\n");
}
alcMakeContextCurrent(context);
S_rockets = S_LoadWav("res/Rockets.wav");
}
SYS_SOUNDHANDLE SYS_LoadSound(char* filename)
{
int len = strlen(filename);
char ext[4];
ext[0] = tolower(filename[len-3]);
ext[1] = tolower(filename[len-2]);
ext[2] = tolower(filename[len-1]);
ext[3] = 0;
SYS_SOUNDHANDLE result;
if (strcmp("wav", ext) == 0)
{
result = SYS_LoadWAVFile(filename);
}
else if (strcmp("mp3", ext) == 0)
{
result = SYS_LoadMP3File(filename);
}
else
{
SYS_Error("Could not open %s\n", filename);
result = 0;
}
#ifdef SYS_SOUNDDEBUG
SYS_Wave* wave = (SYS_Wave*)result;
fprintf( soundLog, "SYS_LoadSound( \"%s\" ), %d loaded, %d free\n", filename, soundsLoaded, soundsFree );
fprintf(soundLog, " buffer = %d, source = %d, mp3_buffers = %d, %d\n", wave->buffer, wave->source, wave->mp3_buffers[0], wave->mp3_buffers[1]);
#endif
return result;
}
static SYS_Wave* GetWaveFromFreePool()
{
SYS_Wave* wave;
if ( freeList == 0 )
SYS_Error( "AllocWaveFromPool() out of waves!\n" );
// grab a wave off of the free list
wave = freeList;
freeList = wave->next;
if ( freeList )
freeList->prev = 0;
// and stick it in the used list
wave->next = usedList;
if ( usedList )
usedList->prev = wave;
usedList = wave;
// init the resources.
wave->buffer = 0;
wave->source = 0;
wave->mp3_buffers[0] = 0;
wave->mp3_buffers[1] = 0;
wave->filename = 0;
wave->mh = 0;
#ifdef SYS_SOUNDDEBUG
soundsLoaded++;
soundsFree--;
#endif
return wave;
}
void SCH_Init()
{
l_head = NULL;
l_listSize = 0;
MTX_Create(&l_mtx);
COND_Create(&l_cond);
// spawn scheduler
l_exit = 0;
if(THR_Create(&l_thr, Scheduler, NULL))
SYS_Error("SCH_Init: Failed to spawn scheduler thread!");
}
void KeyDispose()
{
//翻盖处理跟检测
if(BoxOpenCheck()) return ;
//USB状态检测
//USbInCheck() ;
// USB信息处理
UsbInfoDispose();
// 按键信息处理
KeyInfoDispose();
//定时器锁定信息
#ifdef DS1307_ON
if(System.Sys.PassWrd.InputErrCount >= INPUT_ERR_TIME_MAX)
{
uint32_t m ;
GR_DBG_PRINTF("System.Sys.PassWrd.InputErrCount: %d \n\n ",System.Sys.PassWrd.InputErrCount);
GR_DBG_PRINTF("System.Sys.PassWrd.LockTime: %d \n\n ",System.Sys.PassWrd.LockTime);
DS1307_RD(&date[0]);
m = sTime(NowTime);
GR_DBG_PRINTF("sTime(NowTime): %d \n\n",m);
m = m - System.Sys.PassWrd.LockTime;
GR_DBG_PRINTF("locked time is gone: %d \n\n",m);
if ( m >= SYS_LOCK_TIME_SETTING ) //锁定时间2分钟
{
System.Sys.PassWrd.InputErrCount = 0 ;
System.Sys.SaveInfoFlag = 0x01 ;
}
}
#else
if(System.Sys.PassWrd.InputErrCount >= INPUT_ERR_TIME_MAX)
{
System.Sys.PassWrd.InputErrCount = 0 ;
System.Sys.SaveInfoFlag = 0x01 ;
}
#endif
// 系统保存信息
if(System.Sys.SaveInfoFlag == 0x01)
{
SystemWriteBCKData();
}
// 系统软硬件错误
SYS_Error();
}
void PlayFliEnter( const char* filename )
{
char newfilename[512];
sprintf( newfilename, "%s%s", g_DataPath, filename );
// open the fli
gCurrentFile = fopen( newfilename, "rb" );
if ( !gCurrentFile )
{
SYS_Error( "could not open FLI file!\n" );
return;
}
fread( &gCurrentHeader, sizeof( flic_header ), 1, gCurrentFile ); /* Get the flic header */
fseek( gCurrentFile, 128, SEEK_SET ); /* Move to end of header */
DB_Clear_Screen(); /* Clear the double buffer */
gFrameTime = SYS_GetTimeMS();
}
void Load_All_AI(Player* players, const char* filename, int* ai_indices)
{
// append path to front of filename.
char newfilename[512];
sprintf(newfilename, "%s%s",g_DataPath, filename);
FILE* fp = fopen(newfilename, "r");
if (!fp)
SYS_Error("Error loading AI\n");
// pre allocate the maximum number of characters
character_type* ais = (character_type*)malloc(sizeof(character_type) * MAX_AIS);
memset(ais, 0, sizeof(character_type) * MAX_AIS);
// open the YAML file
yaml_parser_t parser;
yaml_parser_initialize(&parser);
yaml_parser_set_input_file(&parser, fp);
// NOTE: YAML file is expected to contain a sequence of maps.
// One map per character.
int done = 0;
int ai_index = 0;
char key[128];
bool read_key = false;
while (!done)
{
yaml_event_t event;
// get the next event
if (!yaml_parser_parse(&parser, &event))
{
SYS_Error("error parsing YAML file \"%s\"\n", newfilename);
return;
}
// process the event
switch (event.type)
{
case YAML_MAPPING_START_EVENT:
read_key = true;
break;
case YAML_SCALAR_EVENT:
if (read_key)
strcpy(key, (char*)event.data.scalar.value);
else
Character_Set(&ais[ai_index], key, (char*)event.data.scalar.value);
read_key = !read_key;
break;
case YAML_MAPPING_END_EVENT:
assert(ai_index < MAX_AIS); // too many ais in yaml file.
ai_index++;
break;
case YAML_NO_EVENT:
case YAML_STREAM_START_EVENT:
case YAML_STREAM_END_EVENT:
case YAML_DOCUMENT_START_EVENT:
case YAML_DOCUMENT_END_EVENT:
case YAML_ALIAS_EVENT:
case YAML_SEQUENCE_START_EVENT:
case YAML_SEQUENCE_END_EVENT:
default:
break;
}
done = (event.type == YAML_STREAM_END_EVENT);
yaml_event_delete(&event);
}
yaml_parser_delete(&parser);
// load each player's sound fx.
for (int i = 0; i < 6; ++i)
{
character_type* c = &players[i].character;
memcpy(c, &ais[ai_indices[i]], sizeof(character_type));
for (int j = 0; j < NUMBER_CHARACTER_SOUNDS; ++j)
c->samples[j] = SYS_LoadSound(c->sample_filenames[j]);
}
free(ais);
}
void V_CreateHeightMap(model_t* m, sprite* s, double size, double height) {
int w = s->w, h = s->h;
if (w < 1 || h < 1)
SYS_Error("Heightmap has an invalid width or height. ");
int vertCount = w * h;
int indexCount = (w - 1) * (h - 1) * 6;
memset(m, 0, sizeof(model_t));
for (int i = 0; i < m->boneCount; i++) m->bones[i].keyCount = 0;
VAO_t* vao = &m->vao;
glGenVertexArrays(1, &vao->id);
glBindVertexArray(vao->id);
vao->vertCount = vertCount;
vao->indexCount = indexCount;
vao->vert.bufferSize = 3 * vertCount * sizeof(float);
vao->vert.buffer = malloc(vao->vert.bufferSize);
double hScale = size / w, vScale = size / h;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
double sampleHeight = ((s->pix[y * w + x] & 0xFF000000) >> 24) / 256.0;
((float*)vao->vert.buffer)[y * w * 3 + x * 3 + 0] = x * hScale;
((float*)vao->vert.buffer)[y * w * 3 + x * 3 + 1] = sampleHeight * height;
((float*)vao->vert.buffer)[y * w * 3 + x * 3 + 2] = y * vScale;
}
}
V_InitVBO(&vao->vert, 0, 3, GL_FLOAT);
vao->uv.bufferSize = 3 * vertCount * sizeof(float);
vao->uv.buffer = malloc(vao->uv.bufferSize);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
((float*)vao->uv.buffer)[y * w * 3 + x * 3 + 0] = x;
((float*)vao->uv.buffer)[y * w * 3 + x * 3 + 1] = y;
((float*)vao->uv.buffer)[y * w * 3 + x * 3 + 2] = 0;
}
}
V_InitVBO(&vao->uv, 1, 3, GL_FLOAT);
vao->normal.bufferSize = 3 * vertCount * sizeof(float);
vao->normal.buffer = malloc(vao->normal.bufferSize);
for (int i = 0; i < vertCount; i++) {
vec3 normal = {0, 0, 0};
int x = i % w, y = i / w;
int xMin = x == 0 ? x : x - 1;
int xMax = x >= w - 1 ? x : x + 1;
float yDelta = ((float*)vao->vert.buffer)[y * w * 3 + xMax * 3 + 1]
- ((float*)vao->vert.buffer)[y * w * 3 + xMin * 3 + 1];
float xDelta = xMax - xMin;
float zAngle = atan2(yDelta, xDelta);
normal[1] = cos(zAngle);
int yMin = y == 0 ? y : y - 1;
int yMax = y >= h - 1 ? y : y + 1;
yDelta = ((float*)vao->vert.buffer)[yMax * w * 3 + x * 3 + 1]
- ((float*)vao->vert.buffer)[yMin * w * 3 + x * 3 + 1];
float zDelta = yMax - yMin;
float xAngle = atan2(yDelta, zDelta);
normal[1] *= cos(xAngle);
normal[0] = -sin(zAngle);
normal[2] = -sin(xAngle);
((float*)vao->normal.buffer)[i * 3 + 0] = normal[0];
((float*)vao->normal.buffer)[i * 3 + 1] = normal[1];
((float*)vao->normal.buffer)[i * 3 + 2] = normal[2];
}
V_InitVBO(&vao->normal, 2, 3, GL_FLOAT);
vao->tangents.bufferSize = 3 * vertCount * sizeof(float);
vao->tangents.buffer = malloc(vao->tangents.bufferSize);
for (int i = 0; i < vertCount; i++) {
vec3_mul_cross(&((float*)vao->tangents.buffer)[i * 3],
&((float*)vao->normal.buffer)[i * 3],
(vec3) {0, 0, 1});
}
V_InitVBO(&vao->tangents, 4, 3, GL_FLOAT);
glGenBuffers(1, &vao->index.id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->index.id);
vao->index.type = GL_UNSIGNED_INT;
vao->index.dim = 1;
vao->index.buffer = malloc(indexCount * sizeof(int));
for (int x = 0; x < w - 1; x++) {
for (int y = 0; y < h - 1; y++) {
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 0] = y * w + x;
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 1] = (y + 1) * w + x;
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 2] = y * w + x + 1;
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 3] = (y + 1) * w + x;
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 4] = (y + 1) * w + x + 1;
((int*)vao->index.buffer)[y * (w - 1) * 6 + x * 6 + 5] = y * w + x + 1;
}
}
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * sizeof(int), vao->index.buffer, GL_STATIC_DRAW);
vao->weights.buffer = NULL;
}
/* Function PCX load loads and uncompresses a PCX image into image->buffer
And loads the palette into image->palette
Based on code from Graphics Gurus book */
void PCX_Load( char *filename, pcx_picture_ptr image )
{
FILE *fp; /* File pointer */
long index; /* Multipurpose index */
long new_pos = 0; /* Position in the image->buffer */
int num_bytes; /* Number of bytes in current RLE run */
int info; /* Data from temp_buffer */
unsigned char *p;
int scan_line_length;
char newfilename[512];
sprintf(newfilename,"%s%s",g_DataPath,filename);
if ( (fp = fopen( newfilename, "rb") ) == NULL ) /* Open the PCX file */
{
SYS_Error("ERROR OPENING FILE!!! %s\n", newfilename);
exit(0);
}
index = 0;
/* Read in the header */
fseek( fp, 0, SEEK_SET ); /* Move to beginning of file */
fread( &image->header, sizeof( pcx_header ), 1, fp );
/* Compute the width of the image in pixels */
image->xpixels = image->header.xend - image->header.xstart;
/* Length of image in pixels */
image->ypixels = image->header.yend - image->header.ystart;
/* Figure out how many pixels per line */
scan_line_length = ( image->header.bytes_per_line * image->header.num_bit_planes );
image->xpixels = scan_line_length - 1;
/* Allocate memory for picture...the +100 is just to be safe */
image->buffer = (unsigned char *)malloc( ((long)(image->xpixels + 1 ) * (long)(image->ypixels + 1)) + 100 );
if ( image->buffer == NULL )
{
printf("Not Enough Memory!!!");
exit(0);
}
p = image->buffer;
/* Decompress data from file into image->buffer */
fseek( fp, 128, SEEK_SET ); /* Move to 128 bytes from beginning of file */
while( new_pos < ( ((long)image->xpixels + 1 ) * (long)(image->ypixels + 1) ) ) /* Loop till beginning of color palette */
{ /* And end of data */
info = getc(fp); /* Store one char from the buffer */
/* In info */
if ( info >= 192 && info <= 255 ) /* Test to se if the value in */
{ /* Info is between 192 and 255 */
num_bytes = info - 192; /* If it is then get the next */
/* Get actual data for the run Value from the buffer and */
info = getc(fp); /* Replicate it num_bytes times
In the new buffer */
/* Replicate the data in the buffer num_bytes times */
while( num_bytes-- > 0 )
{
p[new_pos++] = info;
} /* End while */
} /* End if RLE */
else /* If the info value wasn't between 192 and 255 */
{ /* Then just replicate it into the new buffer */
p[new_pos++] = info;
} /* End else if not RLE */
} /* End while */
image->num_bytes = new_pos; /* This is the number of bytes in the uncompressed image */
fseek( fp, -768L, SEEK_END ); /* Move to beginning of color palette */
/* Which is 768 bytes before the end */
/* Load color palette */
for (index = 0; index < 256; index ++)
{
image->palette[index].red = getc(fp) >>2;
image->palette[index].green = getc(fp) >>2;
image->palette[index].blue = getc(fp) >>2;
} /* End for index */
/* Color palette loaded */
fclose( fp ); /* Close the PCX file */
} /* End of pcx load */
int main(int argc, char** argv) {
SYS_argc = argc;
SYS_argv = argv;
// Check command line options
if (SYS_HasParam("-l")) {
if (argc != 3) {
PrintUsage();
return 0;
}
// Load the level and print its data
L_LoadLevel(argv[argc - 1]);
printf("Name: %s\n", L_current.name);
printf("Contains %d resources and %d props\n",
L_current.res.size, L_current.props.size);
// Print name of every resource
printf("\nResources\n");
for (int i = 0; i < L_current.res.size; i++)
printf("\t%d:\t%s\n", i, ((resource*)ListGet(&L_current.res, i))->name);
// Print data of every prop
printf("\nProps\n");
for (int i = 0; i < L_current.props.size; i++) {
prop* p = ListGet(&L_current.props, i);
printf(
"\t%d:\tResource: %s\n\t\tPos: %f, %f, %f\n\t\tRot: %f, %f, %f\n",
i, p->res->name, p->pos[0], p->pos[1], p->pos[2],
p->rot[0], p->rot[1], p->rot[2]
);
}
return 0;
}
// Initialize console variables
C_Init();
// Try to open a window with rendering capabilities
if (!SYS_OpenWindow()) SYS_Error("Failed to open a window with OpenGL Core 3.3");
// Initialize OpenGL
V_InitOpenGL();
fflush(stdout);
// Initialize main engine
G_Init();
fflush(stdout);
// Initialize rendering system
V_Init();
fflush(stdout);
// Main game loop
uint32_t current = SYS_TimeMillis();
uint32_t last = current;
uint32_t secondTimer = 0, frames = 0;
while (!SYS_WindowClosed()) {
last = current;
current = SYS_TimeMillis();
SYS_deltaMillis = current - last;
secondTimer += SYS_deltaMillis;
frames++;
if (secondTimer >= 1000) {
secondTimer -= 1000;
printf("\rFPS: %d", frames);
fflush(stdout);
frames = 0;
}
// Update game, then render to screen
G_Tick();
V_Tick();
SYS_UpdateWindow();
}
printf("\n");
G_Quit();
V_Quit();
return 0;
}
// Ladda en wav ljud-fil
Clip S_LoadWav(const char* link) {
// Öppna filen
char path[PATH_LENGTH] = {0};
strcpy(path, SYS_GetBasePath());
strcpy(path, "/");
strcpy(path, link);
FILE* file = fopen(path, "rb");
if (!file) {
SYS_Error("Couldn't open file! \n");
return (Clip) {0};
}
Clip c;
// Läs headern
unsigned char riff[12];
for (int i = 0; i < 12; i++)
riff[i] = fgetc(file);
// Kolla att filen verkligen är en .wav fil
if (memcmp(riff, "RIFF", 4) != 0) {
SYS_Error("Sound file is not a .wav file\n");
fclose(file);
return (Clip) {0};
}
if (memcmp(&riff[8], "WAVE", 4) != 0) {
SYS_Error("Sound file is not a .wav file\n");
fclose(file);
return (Clip) {0};
}
unsigned char fmt[24];
for (int i = 0; i < 24; i++)
fmt[i] = fgetc(file);
// Läs formatet
c.channels = getInt16(&fmt[10]);
c.bitsPerSample = getInt16(&fmt[22]);
c.sampleFreq = getInt32(&fmt[12]);
unsigned char dataHeader[8];
for (int i = 0; i < 8; i++)
dataHeader[i] = fgetc(file);
c.size = getInt32(&dataHeader[4]);
// Läs datan
c.data = calloc(1, c.size);
for (int i = 0; i < c.size; i++)
c.data[i] = fgetc(file);
// Skicka datan till OpenAL
alGenBuffers(1, &c.bufferID);
alBufferData(c.bufferID,
c.bitsPerSample == 8
? (c.channels == 1 ? AL_FORMAT_MONO8 : AL_FORMAT_STEREO8)
: (c.channels == 1 ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16),
c.data, c.size, c.sampleFreq);
fclose(file);
return c;
}
void SYS_InitSound()
{
#ifdef SYS_SOUNDDEBUG
soundsLoaded = 0;
soundsFree = SIZEOFWAVEPOOL;
soundLog = fopen( soundLogFileName, "w" );
fprintf(soundLog, "SYS_InitSound() - OpenAL SKU - %d sounds in pool\n", soundsFree);
if (alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT") == AL_TRUE)
{
const char* devicesStr = alcGetString(0, ALC_DEVICE_SPECIFIER);
const char* defaultDeviceStr = alcGetString(0, ALC_DEFAULT_DEVICE_SPECIFIER);
fprintf(soundLog, "OpenAL default device = %s\n", defaultDeviceStr);
fprintf(soundLog, "All devices:\n");
const char* p = devicesStr;
while( *p )
{
fprintf(soundLog, "%s\n", p);
p += (strlen(p) + 1);
}
}
#endif
// open device
ALCdevice* device = alcOpenDevice(0);
if ( !device )
{
SYS_Error("Error opening OpenAL device\n");
return;
}
#ifdef SYS_SOUNDDEBUG
const char* extStr = alcGetString(device, ALC_EXTENSIONS);
fprintf(soundLog, "OpenAL extentions : %s\n", extStr);
#endif
alGetError(); // clear error code
// create context
ALCcontext* context = alcCreateContext(device,0);
alcMakeContextCurrent(context);
CheckForErrors();
// use linear distance model & disable doppler.
alDistanceModel(AL_LINEAR_DISTANCE_CLAMPED);
alDopplerFactor(0.0f);
// init wave pools
memset(wavePool, 0, sizeof(struct SYS_Wave) * SIZEOFWAVEPOOL);
freeList = wavePool;
usedList = 0;
for ( int i = 0; i < SIZEOFWAVEPOOL; ++i )
{
freeList[i].prev = (i == 0) ? 0 : &wavePool[i-1];
freeList[i].next = (i == SIZEOFWAVEPOOL-1) ? 0 : &wavePool[i+1];
}
// init source pool
memset(sourcePool, 0, sizeof(ALuint) * SIZEOFSOURCEPOOL);
CheckForErrors();
int error = mpg123_init();
if (error != MPG123_OK)
{
printf("Error mpg123_init() : %s\n", mpg123_plain_strerror(error));
}
}