/* return true if digest calculated */
int get_file_digest(const char * filename, Uint8 digest[16])
{
MD5 md5;
el_file_ptr file = NULL;
file = el_open(filename);
memset (digest, 0, 16);
if (file == NULL)
{
LOG_ERROR("MD5Digest: Unable to open %s (%d)", filename, errno);
return 0;
}
if (el_get_pointer(file) == NULL)
{
el_close(file);
return 0;
}
MD5Open(&md5);
MD5Digest(&md5, el_get_pointer(file), el_get_size(file));
MD5Close(&md5, digest);
el_close(file);
return 1;
}
Uint32 get_image_information(el_file_ptr file, image_t* image)
{
Uint32 dds, result;
if (file == 0)
{
LOG_ERROR("Invalid file!");
return 0;
}
dds = 0;
if (el_get_size(file) >= 4)
{
if (check_dds(el_get_pointer(file)))
{
dds = 1;
}
}
if (dds == 1)
{
result = get_dds_information(file, image);
el_seek(file, 0, SEEK_SET);
return result;
}
else
{
return get_sdl_image_information(file, image);
}
}
static Uint32 get_sdl_image_information(el_file_ptr file, image_t* image)
{
SDL_Surface *image_surface;
SDL_RWops *buffer;
if (file == 0)
{
LOG_ERROR("Invalid file!");
return 0;
}
buffer = SDL_RWFromMem(el_get_pointer(file), el_get_size(file));
image_surface = IMG_Load_RW(buffer, 1);
if (image_surface == 0)
{
LOG_ERROR("load_image() error: [%s] [%s]", el_file_name(file),
IMG_GetError());
return 0;
}
SDL_LockSurface(image_surface);
memset(image, 0, sizeof(image_t));
image->width = image_surface->w;
image->height = image_surface->h;
image->mipmaps = 1;
image->format = ift_rgba8;
if ((image_surface->format->BitsPerPixel == 8) &&
(image_surface->format->palette != 0))
{
image->alpha = 0;
}
else
{
if (image_surface->format->Amask != 0)
{
image->alpha = 1;
}
else
{
image->alpha = 0;
}
}
SDL_UnlockSurface(image_surface);
SDL_FreeSurface(image_surface);
return 1;
}
static void* read_dds(el_file_ptr file, DdsHeader *header,
const Uint32 strip_mipmaps, const Uint32 base_level)
{
Uint8* dst;
Uint32 size, offset;
size = get_dds_size(header, 0, strip_mipmaps, base_level);
offset = get_dds_offset(header, base_level);
dst = malloc_aligned(size, 16);
memcpy(dst, el_get_pointer(file) + sizeof(DdsHeader) + offset + 4, size);
return dst;
}
static void* unpack_dds(el_file_ptr file, DdsHeader *header,
const Uint32 strip_mipmaps, const Uint32 base_level)
{
Uint8* dest;
Uint32 size, offset, bpp;
size = get_dds_size(header, 0, strip_mipmaps, base_level);
offset = get_dds_offset(header, base_level);
bpp = header->m_pixel_format.m_bit_count / 8;
dest = malloc_aligned(size, 16);
fast_unpack(el_get_pointer(file) + sizeof(DdsHeader) + offset + 4, size / bpp,
header->m_pixel_format.m_red_mask,
header->m_pixel_format.m_green_mask,
header->m_pixel_format.m_blue_mask,
header->m_pixel_format.m_alpha_mask, dest);
return dest;
}
static obj_2d_def* load_obj_2d_def(const char *file_name)
{
int f_size;
el_file_ptr file = NULL;
char cur_dir[200]={0};
obj_2d_def *cur_object;
const char *obj_file_mem;
const char* sep;
sep = strrchr(file_name, '/');
if (!sep || sep == file_name)
*cur_dir = '\0';
else
my_strncp(cur_dir, file_name, sep-file_name+1);
file = el_open(file_name);
if (!file)
{
LOG_ERROR("%s: %s \"%s\": %s\n", reg_error_str, cant_open_file, file_name, strerror(errno));
return NULL;
}
obj_file_mem = el_get_pointer(file);
if (!obj_file_mem)
{
LOG_ERROR("%s: %s (read)\"%s\"\n", reg_error_str, cant_open_file, file_name);
el_close(file);
return NULL;
}
f_size = el_get_size(file);
//ok, the file is loaded, so parse it
cur_object=calloc(1, sizeof(obj_2d_def));
my_strncp(cur_object->file_name, file_name,
sizeof(cur_object->file_name));
parse_2d0(obj_file_mem, f_size, cur_dir, cur_object);
el_close(file);
return cur_object;
}
int get_tile_map_sizes(const char *file_name, int *x, int *y)
{
map_header cur_map_header;
char* file_mem;
el_file_ptr file;
file = el_open(file_name);
if (!file)
{
return 0;
}
file_mem = el_get_pointer(file);
memcpy(&cur_map_header, file_mem, sizeof(cur_map_header));
*x = SDL_SwapLE32(cur_map_header.tile_map_x_len);
*y = SDL_SwapLE32(cur_map_header.tile_map_y_len);
el_close(file);
return 1;
}
static obj_2d_def* load_obj_2d_def(const char *file_name)
{
int f_size;
int i,k,l;
el_file_ptr file = NULL;
char cur_dir[200]={0};
obj_2d_def *cur_object;
char *obj_file_mem;
char texture_file_name[256] = {0};
float x_size,y_size;
float alpha_test;
int file_x_len;
int file_y_len;
int u_start,u_end,v_start,v_end;
cur_object=calloc(1, sizeof(obj_2d_def));
//get the current directory
l=strlen(file_name);
//parse the string backwards, until we find a /
while(l>0)
{
if(file_name[l]=='/' || file_name[l]=='\\')break;
l--;
}
i=0;
if(l)//prevent invalid dir names
{
while(l>=0)
{
cur_dir[i]=file_name[i];
i++;
l--;
}
cur_dir[i+1]=0;
}
file = el_open(file_name);
if(file == NULL){
LOG_ERROR("%s: %s \"%s\": %s\n", reg_error_str, cant_open_file, file_name, strerror(errno));
free(cur_object);
return NULL;
}
obj_file_mem = el_get_pointer(file);
if(obj_file_mem == NULL){
LOG_ERROR("%s: %s (read)\"%s\"\n", reg_error_str, cant_open_file, file_name);
el_close(file);
free(cur_object);
return NULL;
}
f_size = el_get_size(file);
//ok, the file is loaded, so parse it
file_x_len=get_integer_after_string("file_x_len:",obj_file_mem,f_size);
file_y_len=get_integer_after_string("file_y_len:",obj_file_mem,f_size);
u_start=get_integer_after_string("u_start:",obj_file_mem,f_size);
u_end=get_integer_after_string("u_end:",obj_file_mem,f_size);
v_start=get_integer_after_string("v_start:",obj_file_mem,f_size);
v_end=get_integer_after_string("v_end:",obj_file_mem,f_size);
x_size=get_float_after_string("x_size:",obj_file_mem,f_size);
y_size=get_float_after_string("y_size:",obj_file_mem,f_size);
alpha_test=get_float_after_string("alpha_test:",obj_file_mem,f_size);
if(alpha_test<0)alpha_test=0;
//get the proper u/v coordinates
cur_object->u_start=(float)u_start/file_x_len;
cur_object->u_end=(float)u_end/file_x_len;
cur_object->v_start=1.0f-(float)v_start/file_y_len;
cur_object->v_end=1.0f-(float)v_end/file_y_len;
cur_object->x_size=x_size;
cur_object->y_size=y_size;
cur_object->alpha_test=alpha_test;
//now find the texture name
i=get_string_occurance("texture:",obj_file_mem,40,0);
obj_file_mem+=i;
k=0;
//find the file name
while(k<128)
{
if(obj_file_mem[k]!=' ' && obj_file_mem[k]!=0x0a)break;
k++;
}
//we found the beginning of the file name
//now, copy the current directory string to the file_name string
i=strlen(cur_dir);
l=0;
while(l<i)
{
texture_file_name[l]=cur_dir[l];
l++;
}
while(l<128)
{
if(obj_file_mem[k]!=' ' && obj_file_mem[k]!=0x0a
&& obj_file_mem[k]!=0x0d)
{
texture_file_name[l]=obj_file_mem[k];
k++;
l++;
}
else
{
texture_file_name[l]=0;
break;
}
}
cur_object->texture_id = load_texture_cached(texture_file_name, tt_mesh);
//now get the object type
i=get_string_occurance("type:",obj_file_mem,f_size,0);
obj_file_mem+=i;
k=0;
for(k=0;k<10;k++)
{
if(obj_file_mem[k]==0x0a)
{
cur_object->object_type=INVALID;
break;
}
if(obj_file_mem[k]==' ')continue;
if(obj_file_mem[k]=='g' || obj_file_mem[k]=='G')
{
cur_object->object_type=GROUND;
break;
}
if(obj_file_mem[k]=='p' || obj_file_mem[k]=='P')
{
cur_object->object_type=PLANT;
break;
}
if(obj_file_mem[k]=='f' || obj_file_mem[k]=='F')
{
cur_object->object_type=FENCE;
break;
}
}
el_close(file);
return cur_object;
}
void load_cursors()
{
int cursors_colors_no, x, y, i;
Uint8 * cursors_mem_bmp;
Uint8 cur_color;
el_file_ptr file;
file = el_open("textures/cursors.bmp");
if (file == NULL)
{
LOG_ERROR("%s: %s [%s]\n", reg_error_str, cursors_file_str, "textures/cursors.bmp");
return;
}
if ((cursors_mem_bmp = el_get_pointer(file)) == NULL)
{
el_close(file);
LOG_ERROR("%s: %s (read) [%s]\n", reg_error_str, cursors_file_str, "textures/cursors.bmp");
return;
}
cursors_mem_bmp += 18; //x length is at offset+18
cursors_x_length = SDL_SwapLE32(*((int *) cursors_mem_bmp));
cursors_mem_bmp += 4; //y length is at offset+22
cursors_y_length = SDL_SwapLE32(*((int *) cursors_mem_bmp));
cursors_mem_bmp += 46 - 22;
cursors_colors_no = SDL_SwapLE32(*((int *) cursors_mem_bmp));
cursors_mem_bmp += 54 - 46 + cursors_colors_no * 4;
//ok, now transform the bitmap in cursors info
if(cursors_mem) free(cursors_mem);
cursors_mem = (Uint8 *)calloc ( cursors_x_length*cursors_y_length*2, sizeof(char));
for(y=cursors_y_length-1;y>=0;y--)
{
i=(cursors_y_length-y-1)*cursors_x_length;
for(x=0;x<cursors_x_length;x++)
{
cur_color=*(cursors_mem_bmp+y*cursors_x_length+x);
switch(cur_color) {
case 0: //transparent
*(cursors_mem+(i+x)*2)=0;
*(cursors_mem+(i+x)*2+1)=0;
break;
case 1: //white
*(cursors_mem+(i+x)*2)=0;
*(cursors_mem+(i+x)*2+1)=1;
break;
case 2: //black
*(cursors_mem+(i+x)*2)=1;
*(cursors_mem+(i+x)*2+1)=1;
break;
case 3: //reverse
*(cursors_mem+(i+x)*2)=1;
*(cursors_mem+(i+x)*2+1)=0;
break;
}
}
}
el_close(file);
}
static int do_load_map(const char *file_name, update_func *update_function)
{
int i;
int cur_tile, j;
AABBOX bbox;
map_header cur_map_header;
char* file_mem;
#ifdef CLUSTER_INSIDES
char* occupied = 0;
int have_clusters;
#endif
object3d_io* objs_3d;
obj_2d_io* objs_2d;
light_io* lights;
particles_io* particles;
#ifndef FASTER_MAP_LOAD
float progress;
#endif
el_file_ptr file;
file = el_open(file_name);
if (!file)
{
return 0;
}
#ifdef EXTRA_DEBUG
ERR();
#endif
file_mem = el_get_pointer(file);
my_strcp(map_file_name, file_name);
LOG_DEBUG("Loading map '%s'.", file_name);
main_bbox_tree_items = create_bbox_items(1024);
memcpy(&cur_map_header, file_mem, sizeof(cur_map_header));
cur_map_header.tile_map_x_len = SDL_SwapLE32(cur_map_header.tile_map_x_len);
cur_map_header.tile_map_y_len = SDL_SwapLE32(cur_map_header.tile_map_y_len);
cur_map_header.tile_map_offset = SDL_SwapLE32(cur_map_header.tile_map_offset);
cur_map_header.height_map_offset = SDL_SwapLE32(cur_map_header.height_map_offset);
cur_map_header.obj_3d_struct_len = SDL_SwapLE32(cur_map_header.obj_3d_struct_len);
cur_map_header.obj_3d_no = SDL_SwapLE32(cur_map_header.obj_3d_no);
cur_map_header.obj_3d_offset = SDL_SwapLE32(cur_map_header.obj_3d_offset);
cur_map_header.obj_2d_struct_len = SDL_SwapLE32(cur_map_header.obj_2d_struct_len);
cur_map_header.obj_2d_no = SDL_SwapLE32(cur_map_header.obj_2d_no);
cur_map_header.obj_2d_offset = SDL_SwapLE32(cur_map_header.obj_2d_offset);
cur_map_header.lights_struct_len = SDL_SwapLE32(cur_map_header.lights_struct_len);
cur_map_header.lights_no = SDL_SwapLE32(cur_map_header.lights_no);
cur_map_header.lights_offset = SDL_SwapLE32(cur_map_header.lights_offset);
cur_map_header.ambient_r = SwapLEFloat(cur_map_header.ambient_r);
cur_map_header.ambient_g = SwapLEFloat(cur_map_header.ambient_g);
cur_map_header.ambient_b = SwapLEFloat(cur_map_header.ambient_b);
cur_map_header.particles_struct_len = SDL_SwapLE32(cur_map_header.particles_struct_len);
cur_map_header.particles_no = SDL_SwapLE32(cur_map_header.particles_no);
cur_map_header.particles_offset = SDL_SwapLE32(cur_map_header.particles_offset);
#ifdef CLUSTER_INSIDES
cur_map_header.clusters_offset = SDL_SwapLE32(cur_map_header.clusters_offset);
#endif
LOG_DEBUG("Checking map '%s' file signature.", file_name);
//verify if we have a valid file
if(cur_map_header.file_sig[0]!='e'||
cur_map_header.file_sig[1]!='l'||
cur_map_header.file_sig[2]!='m'||
cur_map_header.file_sig[3]!='f')
{
LOG_ERROR(invalid_map, map_file_name);
exit_now = 1; // We might as well quit...
el_close(file);
return 0;
}
LOG_DEBUG("Checking map '%s' sizes.", file_name);
// Check the sizes of structures. If they don't match, we have a
// major problem, since these structures are supposed to be
// written flat out to disk.
if (cur_map_header.obj_3d_struct_len != sizeof (object3d_io)
|| cur_map_header.obj_2d_struct_len != sizeof (obj_2d_io)
|| cur_map_header.lights_struct_len != sizeof (light_io)
|| (cur_map_header.particles_struct_len != sizeof (particles_io) && cur_map_header.particles_no > 0)
)
{
LOG_ERROR ("Invalid object size on map %s", map_file_name);
exit_now = 1; // We might as well quit...
el_close(file);
return 0;
}
update_function(load_map_str, 0);
//get the map size
tile_map_size_x = cur_map_header.tile_map_x_len;
tile_map_size_y = cur_map_header.tile_map_y_len;
LOG_DEBUG("Map '%s' size <%d, %d>.", file_name, tile_map_size_x,
tile_map_size_y);
// allocate the tile map (it was destroyed), and fill it
tile_map = calloc (tile_map_size_x*tile_map_size_y, 1);
memcpy(tile_map, file_mem + cur_map_header.tile_map_offset, tile_map_size_x*tile_map_size_y);
begin_managing_memchunk(tile_map);
// allocate the height map, and fill it
height_map = calloc (tile_map_size_x*tile_map_size_y*6*6, 1);
memcpy(height_map, file_mem + cur_map_header.height_map_offset, tile_map_size_x*tile_map_size_y*6*6);
begin_managing_memchunk(height_map);
#ifdef CLUSTER_INSIDES
// check if we need to compute the clusters, or if they're stored
// in the map
have_clusters = (cur_map_header.clusters_offset > 0)
&& ((cur_map_header.clusters_offset +
tile_map_size_x * tile_map_size_y * 6 * 6 *
sizeof(short)) <= el_get_size(file));
LOG_DEBUG("Map '%s' has clusters: %d.", file_name, have_clusters);
if (have_clusters)
{
// clusters are stored in the map, set them
set_clusters (file_mem + cur_map_header.clusters_offset);
}
else
{
// We need to compute the clusters, allocate memory for
// the occupation array, and initialize it with the
// tile and height maps
occupied = calloc (tile_map_size_x*tile_map_size_y*6*6, 1);
update_occupied_with_tile_map (occupied, tile_map);
update_occupied_with_height_map (occupied, height_map);
}
#endif
LOG_DEBUG("Map '%s' is dungeon %d and ambient <%f, %f, %f>.",
file_name, cur_map_header.dungeon, cur_map_header.ambient_r,
cur_map_header.ambient_g, cur_map_header.ambient_b);
//get the type of map, and the ambient light
dungeon = cur_map_header.dungeon;
ambient_r = cur_map_header.ambient_r;
ambient_g = cur_map_header.ambient_g;
ambient_b = cur_map_header.ambient_b;
/* water_tiles_extension = (tile_map_size_x > tile_map_size_y ? */
/* tile_map_size_x : tile_map_size_y * 1.5); */
/* if (water_tiles_extension < 500.0) */
/* water_tiles_extension = 500.0 - water_tiles_extension; */
/* else */
/* water_tiles_extension = 0.0; */
LOG_DEBUG("Loading tiles");
//load the tiles in this map, if not already loaded
load_map_tiles();
LOG_DEBUG("Initializing buffers");
init_buffers();
#ifndef CLUSTER_INSIDES
for(i = 0; i < tile_map_size_y; i++)
{
bbox.bbmin[Y] = i*3.0f;
bbox.bbmax[Y] = (i+1)*3.0f;
if (i == 0)
bbox.bbmin[Y] -= water_tiles_extension;
else if (i == tile_map_size_y-1)
bbox.bbmax[Y] += water_tiles_extension;
for(j = 0; j < tile_map_size_x; j++)
{
cur_tile = tile_map[i*tile_map_size_x+j];
if (cur_tile != 255)
{
bbox.bbmin[X] = j*3.0f;
bbox.bbmax[X] = (j+1)*3.0f;
if (j == 0)
bbox.bbmin[X] -= water_tiles_extension;
else if (j == tile_map_size_x-1)
bbox.bbmax[X] += water_tiles_extension;
if (IS_WATER_TILE(cur_tile))
{
bbox.bbmin[Z] = -0.25f;
bbox.bbmax[Z] = -0.25f;
if (IS_REFLECTING(cur_tile)) add_water_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile, 1);
else add_water_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile, 0);
}
else
{
bbox.bbmin[Z] = 0.0f;
bbox.bbmax[Z] = 0.0f;
add_terrain_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile);
}
}
}
}
#endif // CLUSTER_INSIDES
#ifdef FASTER_MAP_LOAD
update_function(load_3d_object_str, 20.0f);
#else // FASTER_MAP_LOAD
progress = (cur_map_header.obj_3d_no + 249) / 250;
if (progress > 0.0f)
{
update_function(load_3d_object_str, 0.0f);
progress = 20.0f / progress;
}
else
{
update_function(load_3d_object_str, 20.0f);
progress = 0.0f;
}
#endif // FASTER_MAP_LOAD
LOG_DEBUG("Loading %d 3d objects.", cur_map_header.obj_3d_no);
//read the 3d objects
#ifndef FASTER_MAP_LOAD
clear_objects_list_placeholders();
#endif
objs_3d = (object3d_io*) (file_mem + cur_map_header.obj_3d_offset);
ENTER_DEBUG_MARK("load 3d objects");
for (i = 0; i < cur_map_header.obj_3d_no; i++)
{
object3d_io cur_3d_obj_io = objs_3d[i];
cur_3d_obj_io.x_pos = SwapLEFloat (cur_3d_obj_io.x_pos);
cur_3d_obj_io.y_pos = SwapLEFloat (cur_3d_obj_io.y_pos);
cur_3d_obj_io.z_pos = SwapLEFloat (cur_3d_obj_io.z_pos);
cur_3d_obj_io.x_rot = SwapLEFloat (cur_3d_obj_io.x_rot);
cur_3d_obj_io.y_rot = SwapLEFloat (cur_3d_obj_io.y_rot);
cur_3d_obj_io.z_rot = SwapLEFloat (cur_3d_obj_io.z_rot);
cur_3d_obj_io.r = SwapLEFloat (cur_3d_obj_io.r);
cur_3d_obj_io.g = SwapLEFloat (cur_3d_obj_io.g);
cur_3d_obj_io.b = SwapLEFloat (cur_3d_obj_io.b);
LOG_DEBUG("Adding 3d object (%d) '%s' at <%d, %f, %f> with "
"rotation <%f, %f, %f>, left lit %d, blended %d and "
"color <%f, %f, %f>.", i, cur_3d_obj_io.file_name,
cur_3d_obj_io.x_pos, cur_3d_obj_io.y_pos,
cur_3d_obj_io.z_pos, cur_3d_obj_io.x_rot,
cur_3d_obj_io.y_rot, cur_3d_obj_io.z_rot,
cur_3d_obj_io.self_lit, cur_3d_obj_io.blended,
cur_3d_obj_io.r, cur_3d_obj_io.g, cur_3d_obj_io.b);
if (cur_3d_obj_io.blended != 20)
{
#ifdef CLUSTER_INSIDES
int id;
if (cur_3d_obj_io.blended != 1)
cur_3d_obj_io.blended = 0;
id = add_e3d (cur_3d_obj_io.file_name, cur_3d_obj_io.x_pos, cur_3d_obj_io.y_pos,
cur_3d_obj_io.z_pos, cur_3d_obj_io.x_rot, cur_3d_obj_io.y_rot,
cur_3d_obj_io.z_rot, cur_3d_obj_io.self_lit, cur_3d_obj_io.blended,
cur_3d_obj_io.r, cur_3d_obj_io.g, cur_3d_obj_io.b, 0);
if (!have_clusters)
update_occupied_with_3d (occupied, id);
#else
if (cur_3d_obj_io.blended != 1) cur_3d_obj_io.blended = 0;
add_e3d (cur_3d_obj_io.file_name, cur_3d_obj_io.x_pos, cur_3d_obj_io.y_pos,
cur_3d_obj_io.z_pos, cur_3d_obj_io.x_rot, cur_3d_obj_io.y_rot,
cur_3d_obj_io.z_rot, cur_3d_obj_io.self_lit, cur_3d_obj_io.blended,
cur_3d_obj_io.r, cur_3d_obj_io.g, cur_3d_obj_io.b, 0);
#endif
}
else
{
inc_objects_list_placeholders();
}
#ifndef FASTER_MAP_LOAD
if (i % 250 == 0)
{
update_function(load_3d_object_str, progress);
}
#endif
}
LEAVE_DEBUG_MARK("load 3d objects");
#ifdef FASTER_MAP_LOAD
update_function(load_2d_object_str, 20.0f);
#else // FASTER_MAP_LOAD
progress = (cur_map_header.obj_2d_no + 249) / 250;
if (progress > 0)
{
update_function(load_2d_object_str, 0.0f);
progress = 20.0f / progress;
}
else
{
update_function(load_2d_object_str, 20.0f);
progress = 0.0f;
}
#endif // FASTER_MAP_LOAD
LOG_DEBUG("Loading %d 2d objects.", cur_map_header.obj_2d_no);
//read the 2d objects
objs_2d = (obj_2d_io*) (file_mem + cur_map_header.obj_2d_offset);
ENTER_DEBUG_MARK("load 2d objects");
for (i = 0; i < cur_map_header.obj_2d_no; i++)
{
obj_2d_io cur_2d_obj_io = objs_2d[i];
#ifdef CLUSTER_INSIDES
int id;
#endif
cur_2d_obj_io.x_pos = SwapLEFloat(cur_2d_obj_io.x_pos);
cur_2d_obj_io.y_pos = SwapLEFloat(cur_2d_obj_io.y_pos);
cur_2d_obj_io.z_pos = SwapLEFloat(cur_2d_obj_io.z_pos);
cur_2d_obj_io.x_rot = SwapLEFloat(cur_2d_obj_io.x_rot);
cur_2d_obj_io.y_rot = SwapLEFloat(cur_2d_obj_io.y_rot);
cur_2d_obj_io.z_rot = SwapLEFloat(cur_2d_obj_io.z_rot);
LOG_DEBUG("Adding 2d object (%d) '%s' at <%d, %f, %f> with "
"rotation <%f, %f, %f>.", i, cur_2d_obj_io.file_name,
cur_2d_obj_io.x_pos, cur_2d_obj_io.y_pos,
cur_2d_obj_io.z_pos, cur_2d_obj_io.x_rot,
cur_2d_obj_io.y_rot, cur_2d_obj_io.z_rot);
#ifndef SHOW_FLICKERING
// Add in low-order bits to prevent flicker.
cur_2d_obj_io.z_pos += offset_2d;
offset_2d += offset_2d_increment;
if (offset_2d >= offset_2d_max)
offset_2d = offset_2d_increment;
#endif
#ifdef FASTER_MAP_LOAD
#ifdef CLUSTER_INSIDES
id = add_2d_obj(i, cur_2d_obj_io.file_name, cur_2d_obj_io.x_pos, cur_2d_obj_io.y_pos,
cur_2d_obj_io.z_pos, cur_2d_obj_io.x_rot, cur_2d_obj_io.y_rot,
cur_2d_obj_io.z_rot, 0);
if (!have_clusters)
update_occupied_with_2d (occupied, id);
#else // CLUSTER_INSIDES
add_2d_obj(i, cur_2d_obj_io.file_name, cur_2d_obj_io.x_pos, cur_2d_obj_io.y_pos,
cur_2d_obj_io.z_pos, cur_2d_obj_io.x_rot, cur_2d_obj_io.y_rot,
cur_2d_obj_io.z_rot, 0);
#endif // CLUSTER_INSIDES
#else // FASTER_MAP_LOAD
#ifdef CLUSTER_INSIDES
id = add_2d_obj (cur_2d_obj_io.file_name, cur_2d_obj_io.x_pos, cur_2d_obj_io.y_pos,
cur_2d_obj_io.z_pos, cur_2d_obj_io.x_rot, cur_2d_obj_io.y_rot,
cur_2d_obj_io.z_rot, 0);
if (!have_clusters)
update_occupied_with_2d (occupied, id);
#else // CLUSTER_INSIDES
add_2d_obj(cur_2d_obj_io.file_name, cur_2d_obj_io.x_pos, cur_2d_obj_io.y_pos,
cur_2d_obj_io.z_pos, cur_2d_obj_io.x_rot, cur_2d_obj_io.y_rot,
cur_2d_obj_io.z_rot, 0);
#endif // CLUSTER_INSIDES
if (i % 250 == 0)
{
update_function(load_2d_object_str, progress);
}
#endif // FASTER_MAP_LOAD
}
LEAVE_DEBUG_MARK("load 2d objects");
#ifdef CLUSTER_INSIDES
// If we need to compute the clusters, do it here, so that the
// newly added lights and particle systems get the right cluster
// number automagically. We don't update the occupation map with
// lights or particle systems since I don't expect them to bridge
// any clusters, and if they do happen to hang in the void,
// they'll be shown anyway.
if (!have_clusters)
{
compute_clusters (occupied);
free (occupied);
// Ok, we have the clusters, now assign new IDs to each
// object that we added.
for (i = 0; i < MAX_OBJ_3D; i++)
{
if (objects_list[i])
{
int x = (int) (objects_list[i]->x_pos / 0.5f);
int y = (int) (objects_list[i]->y_pos / 0.5f);
objects_list[i]->cluster = get_cluster (x, y);
}
}
for (i = 0; i < MAX_OBJ_2D; i++)
{
if (obj_2d_list[i])
{
int x = (int) (obj_2d_list[i]->x_pos / 0.5f);
int y = (int) (obj_2d_list[i]->y_pos / 0.5f);
obj_2d_list[i]->cluster = get_cluster (x, y);
}
}
}
// we finally add the tiles to the abt
for(i = 0; i < tile_map_size_y; i++)
{
bbox.bbmin[Y] = i*3.0f;
bbox.bbmax[Y] = (i+1)*3.0f;
if (i == 0)
bbox.bbmin[Y] -= water_tiles_extension;
else if (i == tile_map_size_y-1)
bbox.bbmax[Y] += water_tiles_extension;
for(j = 0; j < tile_map_size_x; j++)
{
current_cluster = get_cluster(j*6, i*6);
cur_tile = tile_map[i*tile_map_size_x+j];
if (cur_tile != 255)
{
bbox.bbmin[X] = j*3.0f;
bbox.bbmax[X] = (j+1)*3.0f;
if (j == 0)
bbox.bbmin[X] -= water_tiles_extension;
else if (j == tile_map_size_x-1)
bbox.bbmax[X] += water_tiles_extension;
if (IS_WATER_TILE(cur_tile))
{
bbox.bbmin[Z] = -0.25f;
bbox.bbmax[Z] = -0.25f;
if (IS_REFLECTING(cur_tile)) add_water_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile, 1);
else add_water_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile, 0);
}
else
{
bbox.bbmin[Z] = 0.0f;
bbox.bbmax[Z] = 0.0f;
add_terrain_to_list(main_bbox_tree_items, get_terrain_id(j, i), bbox, cur_tile);
}
}
}
}
#endif
#ifdef FASTER_MAP_LOAD
update_function(load_lights_str, 20.0f);
#else // FASTER_MAP_LOAD
progress = (cur_map_header.lights_no + 99) / 100;
if (progress > 0)
{
update_function(load_lights_str, 0.0f);
progress = 20.0f / progress;
}
else
{
update_function(load_lights_str, 20.0f);
progress = 0.0f;
}
#endif // FASTER_MAP_LOAD
LOG_DEBUG("Loading %d lights.", cur_map_header.lights_no);
//read the lights
lights = (light_io *) (file_mem + cur_map_header.lights_offset);
ENTER_DEBUG_MARK("load lights");
for (i = 0; i < cur_map_header.lights_no; i++)
{
light_io cur_light_io = lights[i];
cur_light_io.pos_x = SwapLEFloat (cur_light_io.pos_x);
cur_light_io.pos_y = SwapLEFloat (cur_light_io.pos_y);
cur_light_io.pos_z = SwapLEFloat (cur_light_io.pos_z);
cur_light_io.r = SwapLEFloat (cur_light_io.r);
cur_light_io.g = SwapLEFloat (cur_light_io.g);
cur_light_io.b = SwapLEFloat (cur_light_io.b);
LOG_DEBUG("Adding light(%d) at <%d, %f, %f> with color "
"<%f, %f, %f>.", i, cur_light_io.pos_x,
cur_light_io.pos_y, cur_light_io.pos_z, cur_light_io.r,
cur_light_io.g, cur_light_io.b);
if (cur_light_io.pos_x < 0.0f || cur_light_io.pos_x > tile_map_size_x * 60 ||
cur_light_io.pos_y < 0.0f || cur_light_io.pos_y > tile_map_size_y * 60 ||
cur_light_io.pos_z < -1000.0f || cur_light_io.pos_z > 1000.0f ||
cur_light_io.r < -1.0f || cur_light_io.r > 1000.0f ||
cur_light_io.g < -1.0f || cur_light_io.g > 1000.0f ||
cur_light_io.b < -1.0f || cur_light_io.b > 1000.0f)
{
LOG_ERROR("Bad light (number %d) when loading '%s'; co-ords [%f %f %f] "
"colour [%f %f %f]", i, file_name, cur_light_io.pos_x,
cur_light_io.pos_y, cur_light_io.pos_z, cur_light_io.r,
cur_light_io.g, cur_light_io.b);
cur_light_io.pos_x = cur_light_io.pos_y = 1.0f;
cur_light_io.pos_z = 2.0f;
cur_light_io.r = cur_light_io.g = cur_light_io.b = 1.0f;
continue;
}
add_light (cur_light_io.pos_x, cur_light_io.pos_y, cur_light_io.pos_z,
cur_light_io.r, cur_light_io.g, cur_light_io.b, 1.0f, 0);
#ifndef FASTER_MAP_LOAD
if (i % 100 == 0)
{
update_function(load_lights_str, progress);
}
#endif
}
LEAVE_DEBUG_MARK("load lights");
#ifdef FASTER_MAP_LOAD
update_function(load_particles_str, 20.0f);
#else // FASTER_MAP_LOAD
progress = (cur_map_header.particles_no + 99) / 100;
if (progress > 0.0f)
{
update_function(load_particles_str, 0.0f);
progress = 20.0f / progress;
}
else
{
update_function(load_particles_str, 20.0f);
progress = 0.0f;
}
#endif // FASTER_MAP_LOAD
LOG_DEBUG("Loading %d particles.", cur_map_header.particles_no);
//read particle systems
particles = (particles_io *) (file_mem + cur_map_header.particles_offset);
ENTER_DEBUG_MARK("load particles");
for (i = 0; i < cur_map_header.particles_no; i++)
{
particles_io cur_particles_io = particles[i];
cur_particles_io.x_pos = SwapLEFloat (cur_particles_io.x_pos);
cur_particles_io.y_pos = SwapLEFloat (cur_particles_io.y_pos);
cur_particles_io.z_pos = SwapLEFloat (cur_particles_io.z_pos);
LOG_DEBUG("Adding particle(%d) '%s' at <%d, %f, %f>.", i,
cur_particles_io.file_name, cur_particles_io.x_pos,
cur_particles_io.y_pos, cur_particles_io.z_pos);
if (!strncmp(cur_particles_io.file_name, "ec://", 5))
{
ec_create_effect_from_map_code(cur_particles_io.file_name + 5, cur_particles_io.x_pos, cur_particles_io.y_pos, cur_particles_io.z_pos, (poor_man ? 6 : 10));
}
else
{
#ifdef NEW_SOUND
add_map_particle_sys (cur_particles_io.file_name, cur_particles_io.x_pos, cur_particles_io.y_pos, cur_particles_io.z_pos, 0);
#else
add_particle_sys (cur_particles_io.file_name, cur_particles_io.x_pos, cur_particles_io.y_pos, cur_particles_io.z_pos, 0);
#endif // NEW_SOUND
}
#ifndef FASTER_MAP_LOAD
if (i % 100 == 0)
{
update_function(load_particles_str, progress);
}
#endif
}
LEAVE_DEBUG_MARK("load particles");
// Everything copied, get rid of the file data
el_close(file);
update_function(bld_sectors_str, 0.0f);
LOG_DEBUG("Building bbox tree for map '%s'.", file_name);
init_bbox_tree(main_bbox_tree, main_bbox_tree_items);
free_bbox_items(main_bbox_tree_items);
main_bbox_tree_items = 0;
update_function(init_done_str, 20.0f);
#ifdef EXTRA_DEBUG
ERR();//We finished loading the new map apparently...
#endif
return 1;
}
Uint32 load_image_data_file(el_file_ptr file, const Uint32 compression,
const Uint32 unpack, const Uint32 strip_mipmaps,
const Uint32 base_level, image_t* image)
{
char buffer[128];
el_file_ptr alpha_file;
Uint32 dds, result;
if (file == 0)
{
LOG_ERROR("Invalid file!");
return 0;
}
dds = 0;
if (el_get_size(file) >= 4)
{
if (check_dds(el_get_pointer(file)))
{
dds = 1;
}
}
if (dds == 1)
{
result = load_dds(file, compression, unpack,
strip_mipmaps, base_level, image);
}
else
{
result = load_image_SDL(file, image);
}
if ((result == 0) || (image->image == 0))
{
LOG_ERROR("Can't load file '%s'!", el_file_name(file));
el_close(file);
return 0;
}
if ((dds != 1) && (check_alpha_image_name(el_file_name(file),
sizeof(buffer), buffer) != 0))
{
alpha_file = el_open_custom(buffer);
if (alpha_file == 0)
{
LOG_ERROR("Can't load file '%s'!", buffer);
el_close(file);
return 0;
}
load_image_SDL_alpha(alpha_file, image);
el_close(alpha_file);
}
el_close(file);
return 1;
}
static Uint32 load_image_SDL_alpha(el_file_ptr file, image_t* image)
{
SDL_Surface *image_surface;
GLubyte* data;
int image_width, image_height, idx;
int pixel, temp, r, g, b, a;
int bpp, i, j, index, x_padding;
if (file == 0)
{
LOG_ERROR("Invalid file!");
return 0;
}
if (image == 0)
{
LOG_ERROR("Invalid image for file '%s'.", el_file_name(file));
return 0;
}
if (image->format != ift_rgba8)
{
LOG_ERROR("Alpha map '%s' can't be used for formats other than"
" RGBA8.", el_file_name(file));
return 0;
}
image_surface = IMG_Load_RW(SDL_RWFromMem(el_get_pointer(file),
el_get_size(file)), 1);
if (image_surface == 0)
{
LOG_ERROR("load_image() error: [%s] [%s]", el_file_name(file),
IMG_GetError());
return 0;
}
// at this point, the Surface contains some type of pixel data.
// SDL requires us to lock the surface before using the pixel data:
SDL_LockSurface(image_surface);
image_width = image_surface->w;
image_height = image_surface->h;
if (image->width != image_width)
{
LOG_ERROR("Alpha map '%s' had wrong width %i, expected width"
" is %i.", el_file_name(file), image_width,
image->width);
return 0;
}
if (image->height != image_height)
{
LOG_ERROR("Alpha map '%s' had wrong width %i, expected width"
" is %i.", el_file_name(file), image_height,
image->height);
return 0;
}
x_padding = image_width % 4;
if (x_padding)
{
x_padding = 4 - x_padding;
}
if (image_width <= x_padding)
{
x_padding = 0;
}
data = image->image;
image->alpha = 1;
idx = 0;
pixel = 0;
bpp = image_surface->format->BytesPerPixel;
for (i = 0; i < image_height; i++)
{
for (j = 0; j < image_width; j++)
{
if ((image_surface->format->BitsPerPixel == 8) &&
(image_surface->format->palette != 0))
{
index = ((Uint8 *)image_surface->pixels)[idx];
r = image_surface->format->palette->colors[index].r;
g = image_surface->format->palette->colors[index].g;
b = image_surface->format->palette->colors[index].b;
a = (r + g + b) / 3;
}
else
{
memcpy(&pixel, &((Uint8 *)image_surface->pixels)[idx], bpp);
/* Get Alpha component */
temp = pixel & image_surface->format->Amask; /* Isolate alpha component */
temp = temp >> image_surface->format->Ashift; /* Shift it down to 8-bit */
temp = temp << image_surface->format->Aloss; /* Expand to a full 8-bit number */
a = (Uint8)temp;
}
idx += bpp;
index = (image_height - i - 1) * image_width + j;
data[index * 4 + 3] = a;
}
idx += bpp * x_padding;
}
SDL_UnlockSurface(image_surface);
SDL_FreeSurface(image_surface);
return 1;
}
static Uint32 load_image_SDL(el_file_ptr file, image_t* image)
{
SDL_Surface *image_surface;
SDL_RWops *buffer;
Uint8* data;
int image_width, image_height, idx;
int pixel, temp, r, g, b, a;
int bpp, i, j, index, x_padding;
if (file == 0)
{
LOG_ERROR("Invalid file!");
return 0;
}
if (image == 0)
{
LOG_ERROR("Invalid image for file '%s'!", el_file_name(file));
return 0;
}
buffer = SDL_RWFromMem(el_get_pointer(file), el_get_size(file));
image_surface = IMG_Load_RW(buffer, 1);
if (image_surface == 0)
{
LOG_ERROR("load_image() error: [%s] [%s]", el_file_name(file),
IMG_GetError());
return 0;
}
// at this point, the Surface contains some type of pixel data.
// SDL requires us to lock the surface before using the pixel data:
SDL_LockSurface(image_surface);
image_width = image_surface->w;
image_height = image_surface->h;
image->width = image_width;
image->height = image_height;
image->mipmaps = 1;
image->format = ift_rgba8;
image->sizes[0] = image_width * image_height * 4;
if ((image_surface->format->BitsPerPixel == 8) &&
(image_surface->format->palette != 0))
{
image->alpha = 0;
}
else
{
if (image_surface->format->Amask != 0)
{
image->alpha = 1;
}
else
{
image->alpha = 0;
}
}
x_padding = image_width % 4;
if (x_padding)
{
x_padding = 4 - x_padding;
}
if (image_width <= x_padding)
{
x_padding = 0;
}
image->image = (GLubyte*)malloc_aligned(image_width * image_height * 4,
16);
data = image->image;
idx = 0;
pixel = 0;
bpp = image_surface->format->BytesPerPixel;
for (i = 0; i < image_height; i++)
{
for (j = 0; j < image_width; j++)
{
if ((image_surface->format->BitsPerPixel == 8) &&
(image_surface->format->palette != 0))
{
index = ((Uint8 *)image_surface->pixels)[idx];
r = image_surface->format->palette->colors[index].r;
g = image_surface->format->palette->colors[index].g;
b = image_surface->format->palette->colors[index].b;
a = 255;
}
else
{
memcpy(&pixel, &((Uint8 *)image_surface->pixels)[idx], bpp);
/* Get Red component */
temp = pixel & image_surface->format->Rmask; /* Isolate red component */
temp = temp >> image_surface->format->Rshift; /* Shift it down to 8-bit */
temp = temp << image_surface->format->Rloss; /* Expand to a full 8-bit number */
r = (Uint8)temp;
/* Get Green component */
temp = pixel & image_surface->format->Gmask; /* Isolate green component */
temp = temp >> image_surface->format->Gshift; /* Shift it down to 8-bit */
temp = temp << image_surface->format->Gloss; /* Expand to a full 8-bit number */
g = (Uint8)temp;
/* Get Blue component */
temp = pixel & image_surface->format->Bmask; /* Isolate blue component */
temp = temp >> image_surface->format->Bshift; /* Shift it down to 8-bit */
temp = temp << image_surface->format->Bloss; /* Expand to a full 8-bit number */
b = (Uint8)temp;
/* Get Alpha component */
temp = pixel & image_surface->format->Amask; /* Isolate alpha component */
temp = temp >> image_surface->format->Ashift; /* Shift it down to 8-bit */
temp = temp << image_surface->format->Aloss; /* Expand to a full 8-bit number */
a = (Uint8)temp;
if (image_surface->format->Amask == 0)
{
a = 255;
}
}
idx += bpp;
index = i * image_width + j;
data[index * 4 + 0] = r;
data[index * 4 + 1] = g;
data[index * 4 + 2] = b;
data[index * 4 + 3] = a;
}
idx += bpp * x_padding;
}
SDL_UnlockSurface(image_surface);
SDL_FreeSurface(image_surface);
return 1;
}
