/** \brief reads a room definition.
*
* intensity1 gets converted, so it matches the 0-32768 range introduced in TR3.
* intensity2 is introduced in TR2 and is set to intensity1 for TR1.
* light_mode is only in TR2 and is set 0 for TR1.
* light_colour is only in TR3-4 and gets set appropiatly.
*/
void TR_Level::read_tr_room(SDL_RWops * const src, tr5_room_t & room)
{
uint32_t num_data_words;
uint32_t i;
int64_t pos;
// read and change coordinate system
room.offset.x = (float)read_bit32(src);
room.offset.y = 0;
room.offset.z = (float)-read_bit32(src);
room.y_bottom = (float)-read_bit32(src);
room.y_top = (float)-read_bit32(src);
num_data_words = read_bitu32(src);
pos = SDL_RWseek(src, 0, RW_SEEK_CUR);
room.num_layers = 0;
room.num_vertices = read_bitu16(src);
room.vertices = (tr5_room_vertex_t*)calloc(room.num_vertices, sizeof(tr5_room_vertex_t));
for (i = 0; i < room.num_vertices; i++)
read_tr_room_vertex(src, room.vertices[i]);
room.num_rectangles = read_bitu16(src);
room.rectangles = (tr4_face4_t*)malloc(room.num_rectangles * sizeof(tr4_face4_t));
for (i = 0; i < room.num_rectangles; i++)
read_tr_face4(src, room.rectangles[i]);
room.num_triangles = read_bitu16(src);
room.triangles = (tr4_face3_t*)malloc(room.num_triangles * sizeof(tr4_face3_t));
for (i = 0; i < room.num_triangles; i++)
read_tr_face3(src, room.triangles[i]);
room.num_sprites = read_bitu16(src);
room.sprites = (tr_room_sprite_t*)malloc(room.num_sprites * sizeof(tr_room_sprite_t));
for (i = 0; i < room.num_sprites; i++)
read_tr_room_sprite(src, room.sprites[i]);
// set to the right position in case that there is some unused data
SDL_RWseek(src, pos + (num_data_words * 2), RW_SEEK_SET);
room.num_portals = read_bitu16(src);
room.portals = (tr_room_portal_t*)malloc(room.num_portals * sizeof(tr_room_portal_t));
for (i = 0; i < room.num_portals; i++)
read_tr_room_portal(src, room.portals[i]);
room.num_zsectors = read_bitu16(src);
room.num_xsectors = read_bitu16(src);
room.sector_list = (tr_room_sector_t*)malloc(room.num_zsectors * room.num_xsectors * sizeof(tr_room_sector_t));
for (i = 0; i < (uint32_t)(room.num_zsectors * room.num_xsectors); i++)
read_tr_room_sector(src, room.sector_list[i]);
// read and make consistent
room.intensity1 = (8191 - read_bit16(src)) << 2;
// only in TR2-TR4
room.intensity2 = room.intensity1;
// only in TR2
room.light_mode = 0;
room.num_lights = read_bitu16(src);
room.lights = (tr5_room_light_t*)malloc(room.num_lights * sizeof(tr5_room_light_t));
for (i = 0; i < room.num_lights; i++)
read_tr_room_light(src, room.lights[i]);
room.num_static_meshes = read_bitu16(src);
room.static_meshes = (tr2_room_staticmesh_t*)malloc(room.num_static_meshes * sizeof(tr2_room_staticmesh_t));
for (i = 0; i < room.num_static_meshes; i++)
read_tr_room_staticmesh(src, room.static_meshes[i]);
room.alternate_room = read_bit16(src);
room.alternate_group = 0; // Doesn't exist in TR1-3
room.flags = read_bitu16(src);
room.reverb_info = 2;
room.light_colour.r = room.intensity1 / 32767.0f;
room.light_colour.g = room.intensity1 / 32767.0f;
room.light_colour.b = room.intensity1 / 32767.0f;
room.light_colour.a = 1.0f;
}
void TR_Level::read_tr5_room(SDL_RWops * const src, tr5_room_t & room)
{
uint32_t room_data_size;
//uint32_t portal_offset;
uint32_t sector_data_offset;
uint32_t static_meshes_offset;
uint32_t layer_offset;
uint32_t vertices_offset;
uint32_t poly_offset;
uint32_t poly_offset2;
uint32_t vertices_size;
//uint32_t light_size;
SDL_RWops *newsrc = NULL;
uint32_t temp;
uint32_t i;
uint8_t *buffer;
if (read_bitu32(src) != 0x414C4558)
Sys_extError("read_tr5_room: 'XELA' not found");
room_data_size = read_bitu32(src);
buffer = new uint8_t[room_data_size];
if (SDL_RWread(src, buffer, 1, room_data_size) < room_data_size)
Sys_extError("read_tr5_room: room_data");
if ((newsrc = SDL_RWFromMem(buffer, room_data_size)) == NULL)
Sys_extError("read_tr5_room: SDL_RWFromMem");
room.intensity1 = 32767;
room.intensity2 = 32767;
room.light_mode = 0;
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator1 has wrong value");
/*portal_offset = */read_bit32(newsrc); // StartPortalOffset? // endSDOffset
sector_data_offset = read_bitu32(newsrc); // StartSDOffset
temp = read_bitu32(newsrc);
if ((temp != 0) && (temp != 0xCDCDCDCD))
Sys_extWarn("read_tr5_room: seperator2 has wrong value");
static_meshes_offset = read_bitu32(newsrc); // endPortalOffset
// static_meshes_offset or room_layer_offset
// read and change coordinate system
room.offset.x = (float)read_bit32(newsrc);
room.offset.y = read_bitu32(newsrc);
room.offset.z = (float)-read_bit32(newsrc);
room.y_bottom = (float)-read_bit32(newsrc);
room.y_top = (float)-read_bit32(newsrc);
room.num_zsectors = read_bitu16(newsrc);
room.num_xsectors = read_bitu16(newsrc);
room.light_colour.b = read_bitu8(newsrc) / 255.0f;
room.light_colour.g = read_bitu8(newsrc) / 255.0f;
room.light_colour.r = read_bitu8(newsrc) / 255.0f;
room.light_colour.a = read_bitu8(newsrc) / 255.0f;
room.num_lights = read_bitu16(newsrc);
if (room.num_lights > 512)
Sys_extWarn("read_tr5_room: num_lights > 512");
room.num_static_meshes = read_bitu16(newsrc);
if (room.num_static_meshes > 512)
Sys_extWarn("read_tr5_room: num_static_meshes > 512");
room.reverb_info = read_bitu8(newsrc);
room.alternate_group = read_bitu8(newsrc);
room.water_scheme = read_bitu16(newsrc);
if (read_bitu32(newsrc) != 0x00007FFF)
Sys_extWarn("read_tr5_room: filler1 has wrong value");
if (read_bitu32(newsrc) != 0x00007FFF)
Sys_extWarn("read_tr5_room: filler2 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator4 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator5 has wrong value");
if (read_bitu32(newsrc) != 0xFFFFFFFF)
Sys_extWarn("read_tr5_room: seperator6 has wrong value");
room.alternate_room = read_bit16(newsrc);
room.flags = read_bitu16(newsrc);
room.unknown_r1 = read_bitu32(newsrc);
room.unknown_r2 = read_bitu32(newsrc);
room.unknown_r3 = read_bitu32(newsrc);
temp = read_bitu32(newsrc);
if ((temp != 0) && (temp != 0xCDCDCDCD))
Sys_extWarn("read_tr5_room: seperator7 has wrong value");
room.unknown_r4a = read_bitu16(newsrc);
room.unknown_r4b = read_bitu16(newsrc);
room.room_x = read_float(newsrc);
room.unknown_r5 = read_bitu32(newsrc);
room.room_z = -read_float(newsrc);
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator8 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator9 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator10 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator11 has wrong value");
temp = read_bitu32(newsrc);
if ((temp != 0) && (temp != 0xCDCDCDCD))
Sys_extWarn("read_tr5_room: seperator12 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator13 has wrong value");
room.num_triangles = read_bitu32(newsrc);
if (room.num_triangles == 0xCDCDCDCD)
room.num_triangles = 0;
if (room.num_triangles > 512)
Sys_extWarn("read_tr5_room: num_triangles > 512");
room.num_rectangles = read_bitu32(newsrc);
if (room.num_rectangles == 0xCDCDCDCD)
room.num_rectangles = 0;
if (room.num_rectangles > 1024)
Sys_extWarn("read_tr5_room: num_rectangles > 1024");
if (read_bitu32(newsrc) != 0)
Sys_extWarn("read_tr5_room: seperator14 has wrong value");
/*light_size = */read_bitu32(newsrc);
if (read_bitu32(newsrc) != room.num_lights)
Sys_extError("read_tr5_room: room.num_lights2 != room.num_lights");
room.unknown_r6 = read_bitu32(newsrc);
room.room_y_top = -read_float(newsrc);
room.room_y_bottom = -read_float(newsrc);
room.num_layers = read_bitu32(newsrc);
/*
if (room.num_layers != 0) {
if (room.x != room.room_x)
throw TR_ReadError("read_tr5_room: x != room_x");
if (room.z != room.room_z)
throw TR_ReadError("read_tr5_room: z != room_z");
if (room.y_top != room.room_y_top)
throw TR_ReadError("read_tr5_room: y_top != room_y_top");
if (room.y_bottom != room.room_y_bottom)
throw TR_ReadError("read_tr5_room: y_bottom != room_y_bottom");
}
*/
layer_offset = read_bitu32(newsrc);
vertices_offset = read_bitu32(newsrc);
poly_offset = read_bitu32(newsrc);
poly_offset2 = read_bitu32(newsrc);
if (poly_offset != poly_offset2)
Sys_extError("read_tr5_room: poly_offset != poly_offset2");
vertices_size = read_bitu32(newsrc);
if ((vertices_size % 28) != 0)
Sys_extError("read_tr5_room: vertices_size has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator15 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator16 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator17 has wrong value");
if (read_bitu32(newsrc) != 0xCDCDCDCD)
Sys_extWarn("read_tr5_room: seperator18 has wrong value");
room.lights = (tr5_room_light_t*)malloc(room.num_lights * sizeof(tr5_room_light_t));
for (i = 0; i < room.num_lights; i++)
read_tr5_room_light(newsrc, room.lights[i]);
SDL_RWseek(newsrc, 208 + sector_data_offset, SEEK_SET);
room.sector_list = (tr_room_sector_t*)malloc(room.num_zsectors * room.num_xsectors * sizeof(tr_room_sector_t));
for (i = 0; i < (uint32_t)(room.num_zsectors * room.num_xsectors); i++)
read_tr_room_sector(newsrc, room.sector_list[i]);
/*
if (room.portal_offset != 0xFFFFFFFF) {
if (room.portal_offset != (room.sector_data_offset + (room.num_zsectors * room.num_xsectors * 8)))
throw TR_ReadError("read_tr5_room: portal_offset has wrong value");
SDL_RWseek(newsrc, 208 + room.portal_offset, SEEK_SET);
}
*/
room.num_portals = read_bit16(newsrc);
room.portals = (tr_room_portal_t*)malloc(room.num_portals * sizeof(tr_room_portal_t));
for (i = 0; i < room.num_portals; i++)
read_tr_room_portal(newsrc, room.portals[i]);
SDL_RWseek(newsrc, 208 + static_meshes_offset, SEEK_SET);
room.static_meshes = (tr2_room_staticmesh_t*)malloc(room.num_static_meshes * sizeof(tr2_room_staticmesh_t));
for (i = 0; i < room.num_static_meshes; i++)
read_tr4_room_staticmesh(newsrc, room.static_meshes[i]);
SDL_RWseek(newsrc, 208 + layer_offset, SEEK_SET);
room.layers = (tr5_room_layer_t*)malloc(room.num_layers * sizeof(tr5_room_layer_t));
for (i = 0; i < room.num_layers; i++)
read_tr5_room_layer(newsrc, room.layers[i]);
SDL_RWseek(newsrc, 208 + poly_offset, SEEK_SET);
{
uint32_t vertex_index = 0;
uint32_t rectangle_index = 0;
uint32_t triangle_index = 0;
room.rectangles = (tr4_face4_t*)malloc(room.num_rectangles * sizeof(tr4_face4_t));
room.triangles = (tr4_face3_t*)malloc(room.num_triangles * sizeof(tr4_face3_t));
for (i = 0; i < room.num_layers; i++) {
uint32_t j;
for (j = 0; j < room.layers[i].num_rectangles; j++) {
read_tr4_face4(newsrc, room.rectangles[rectangle_index]);
room.rectangles[rectangle_index].vertices[0] += vertex_index;
room.rectangles[rectangle_index].vertices[1] += vertex_index;
room.rectangles[rectangle_index].vertices[2] += vertex_index;
room.rectangles[rectangle_index].vertices[3] += vertex_index;
rectangle_index++;
}
for (j = 0; j < room.layers[i].num_triangles; j++) {
read_tr4_face3(newsrc, room.triangles[triangle_index]);
room.triangles[triangle_index].vertices[0] += vertex_index;
room.triangles[triangle_index].vertices[1] += vertex_index;
room.triangles[triangle_index].vertices[2] += vertex_index;
triangle_index++;
}
vertex_index += room.layers[i].num_vertices;
}
}
SDL_RWseek(newsrc, 208 + vertices_offset, SEEK_SET);
{
uint32_t vertex_index = 0;
room.num_vertices = vertices_size / 28;
//int temp1 = room_data_size - (208 + vertices_offset + vertices_size);
room.vertices = (tr5_room_vertex_t*)calloc(room.num_vertices, sizeof(tr5_room_vertex_t));
for (i = 0; i < room.num_layers; i++) {
uint32_t j;
for (j = 0; j < room.layers[i].num_vertices; j++)
read_tr5_room_vertex(newsrc, room.vertices[vertex_index++]);
}
}
SDL_RWseek(newsrc, room_data_size, SEEK_SET);
SDL_RWclose(newsrc);
newsrc = NULL;
delete [] buffer;
}
void TR_Level::read_tr3_room(SDL_RWops * const src, tr5_room_t & room)
{
bitu32 num_data_words;
bitu32 i;
int pos;
// read and change coordinate system
room.offset.x = (float)read_bit32(src);
room.offset.y = 0;
room.offset.z = (float)-read_bit32(src);
room.y_bottom = (float)-read_bit32(src);
room.y_top = (float)-read_bit32(src);
num_data_words = read_bitu32(src);
pos = SDL_RWseek(src, 0, SEEK_CUR);
room.num_layers = 0;
room.num_vertices = read_bitu16(src);
room.vertices.resize(room.num_vertices);
for (i = 0; i < room.num_vertices; i++)
read_tr3_room_vertex(src, room.vertices[i]);
room.num_rectangles = read_bitu16(src);
room.rectangles.resize(room.num_rectangles);
for (i = 0; i < room.num_rectangles; i++)
read_tr_face4(src, room.rectangles[i]);
room.num_triangles = read_bitu16(src);
room.triangles.resize(room.num_triangles);
for (i = 0; i < room.num_triangles; i++)
read_tr_face3(src, room.triangles[i]);
room.num_sprites = read_bitu16(src);
room.sprites.resize(room.num_sprites);
for (i = 0; i < room.num_sprites; i++)
read_tr_room_sprite(src, room.sprites[i]);
// set to the right position in case that there is some unused data
SDL_RWseek(src, pos + (num_data_words * 2), SEEK_SET);
room.num_portals = read_bitu16(src);
room.portals.resize(room.num_portals);
for (i = 0; i < room.num_portals; i++)
read_tr_room_portal(src, room.portals[i]);
room.num_zsectors = read_bitu16(src);
room.num_xsectors = read_bitu16(src);
room.sector_list.resize(room.num_zsectors * room.num_xsectors);
for (i = 0; i < (bitu32)(room.num_zsectors * room.num_xsectors); i++)
read_tr_room_sector(src, room.sector_list[i]);
room.intensity1 = read_bit16(src);
room.intensity2 = read_bit16(src);
// only in TR2
room.light_mode = 0;
room.num_lights = read_bitu16(src);
room.lights.resize(room.num_lights);
for (i = 0; i < room.num_lights; i++)
read_tr2_room_light(src, room.lights[i]);
room.num_static_meshes = read_bitu16(src);
room.static_meshes.resize(room.num_static_meshes);
for (i = 0; i < room.num_static_meshes; i++)
read_tr3_room_staticmesh(src, room.static_meshes[i]);
room.alternate_room = read_bit16(src);
room.flags = read_bitu16(src);
// only in TR3-TR4
read_tr_colour(src, room.fog_colour);
room.light_colour.r = room.intensity1 / 32767.0f;
room.light_colour.g = room.intensity1 / 32767.0f;
room.light_colour.b = room.intensity1 / 32767.0f;
room.light_colour.a = 1.0f;
}
void TR_Level::read_tr3_room(SDL_RWops * const src, tr5_room_t & room)
{
uint32_t num_data_words;
uint32_t i;
int64_t pos;
// read and change coordinate system
room.offset.x = (float)read_bit32(src);
room.offset.y = 0;
room.offset.z = (float)-read_bit32(src);
room.y_bottom = (float)-read_bit32(src);
room.y_top = (float)-read_bit32(src);
num_data_words = read_bitu32(src);
pos = SDL_RWseek(src, 0, RW_SEEK_CUR);
room.num_layers = 0;
room.num_vertices = read_bitu16(src);
room.vertices = (tr5_room_vertex_t*)calloc(room.num_vertices, sizeof(tr5_room_vertex_t));
for (i = 0; i < room.num_vertices; i++)
read_tr3_room_vertex(src, room.vertices[i]);
room.num_rectangles = read_bitu16(src);
room.rectangles = (tr4_face4_t*)malloc(room.num_rectangles * sizeof(tr4_face4_t));
for (i = 0; i < room.num_rectangles; i++)
read_tr_face4(src, room.rectangles[i]);
room.num_triangles = read_bitu16(src);
room.triangles = (tr4_face3_t*)malloc(room.num_triangles * sizeof(tr4_face3_t));
for (i = 0; i < room.num_triangles; i++)
read_tr_face3(src, room.triangles[i]);
room.num_sprites = read_bitu16(src);
room.sprites = (tr_room_Sprite*)malloc(room.num_sprites * sizeof(tr_room_Sprite));
for (i = 0; i < room.num_sprites; i++)
read_tr_room_sprite(src, room.sprites[i]);
// set to the right position in case that there is some unused data
SDL_RWseek(src, pos + (num_data_words * 2), RW_SEEK_SET);
room.num_portals = read_bitu16(src);
room.portals = (tr_room_portal_t*)malloc(room.num_portals * sizeof(tr_room_portal_t));
for (i = 0; i < room.num_portals; i++)
read_tr_room_portal(src, room.portals[i]);
room.num_zsectors = read_bitu16(src);
room.num_xsectors = read_bitu16(src);
room.sector_list = (tr_room_sector_t*)malloc(room.num_zsectors * room.num_xsectors * sizeof(tr_room_sector_t));
for (i = 0; i < (uint32_t)(room.num_zsectors * room.num_xsectors); i++)
read_tr_room_sector(src, room.sector_list[i]);
room.intensity1 = read_bit16(src);
room.intensity2 = read_bit16(src);
// only in TR2
room.light_mode = 0;
room.num_lights = read_bitu16(src);
room.lights = (tr5_room_light_t*)malloc(room.num_lights * sizeof(tr5_room_light_t));
for (i = 0; i < room.num_lights; i++)
read_tr2_room_light(src, room.lights[i]);
room.num_static_meshes = read_bitu16(src);
room.static_meshes = (tr2_room_staticmesh_t*)malloc(room.num_static_meshes * sizeof(tr2_room_staticmesh_t));
for (i = 0; i < room.num_static_meshes; i++)
read_tr3_room_staticmesh(src, room.static_meshes[i]);
room.alternate_room = read_bit16(src);
room.alternate_group = 0; // Doesn't exist in TR1-3
room.flags = read_bitu16(src);
if(room.flags & 0x0080)
{
room.flags |= 0x0002; // Move quicksand flag to another bit to avoid confusion with NL flag.
room.flags ^= 0x0080;
}
// Only in TR3-5
room.water_scheme = read_bitu8(src);
room.reverb_info = read_bitu8(src);
SDL_RWseek(src, 1, SEEK_CUR); // Alternate_group override?
room.light_colour.r = room.intensity1 / 65534.0f;
room.light_colour.g = room.intensity1 / 65534.0f;
room.light_colour.b = room.intensity1 / 65534.0f;
room.light_colour.a = 1.0f;
}