/** \brief reads a room light definition.
*
* intensity1 gets converted, so it matches the 0-32768 range introduced in TR3.
* intensity2 and fade2 are introduced in TR2 and are set to intensity1 and fade1 for TR1.
*/
void TR_Level::read_tr_room_light(SDL_RWops * const src, tr5_room_light_t & light)
{
read_tr_vertex32(src, light.pos);
// read and make consistent
float data = read_bitu16(src);
data = data < 0.0f || data > 8191.0f ? 0.0f : data;
light.intensity1 = (8191 - data);
light.fade1 = read_bitu32(src);
// only in TR2
light.intensity2 = light.intensity1;
light.intensity = light.intensity1 / 8191.0f;
if(light.intensity == 0.0f || light.intensity > 1.0f)
light.intensity = 1.0f;
light.fade2 = light.fade1;
light.r_outer = light.fade1;
light.r_inner = light.fade1 / 2;
light.light_type = 0x01; // Point light
// all white
light.color.r = 0xff;
light.color.g = 0xff;
light.color.b = 0xff;
}
/** \brief reads a room light definition.
*
* intensity1 gets converted, so it matches the 0-32768 range introduced in TR3.
* intensity2 and fade2 are introduced in TR2 and are set to intensity1 and fade1 for TR1.
*/
void TR_Level::read_tr_room_light(SDL_RWops * const src, tr5_room_light_t & light)
{
read_tr_vertex32(src, light.pos);
// read and make consistent
light.intensity1 = (8191 - read_bitu16(src)) << 2;
light.fade1 = read_bitu32(src);
// only in TR2
light.intensity2 = light.intensity1;
light.intensity = light.intensity1;
light.intensity /= 4096.0f;
if(light.intensity > 1.0f)
light.intensity = 1.0f;
light.fade2 = light.fade1;
light.r_outer = light.fade1;
light.r_inner = light.fade1 / 2;
light.light_type = 0x01; // Point light
// all white
light.color.r = 0xff;
light.color.g = 0xff;
light.color.b = 0xff;
}
void TR_Level::read_tr3_room_staticmesh(SDL_RWops * const src, tr2_room_staticmesh_t & room_static_mesh)
{
read_tr_vertex32(src, room_static_mesh.pos);
room_static_mesh.rotation = (float)read_bitu16(src) / 16384.0f * -90;
room_static_mesh.intensity1 = read_bit16(src);
room_static_mesh.intensity2 = read_bit16(src);
room_static_mesh.object_id = read_bitu16(src);
}
void TR_Level::read_tr3_item(SDL_RWops * const src, tr2_item_t & item)
{
item.object_id = read_bit16(src);
item.room = read_bit16(src);
read_tr_vertex32(src, item.pos);
item.rotation = (float)read_bitu16(src) / 16384.0f * -90;
item.intensity1 = read_bitu16(src);
item.intensity2 = read_bitu16(src);
item.flags = read_bitu16(src);
}
/// \brief reads an item definition.
void TR_Level::read_tr_item(SDL_RWops * const src, tr2_item_t & item)
{
item.object_id = read_bit16(src);
item.room = read_bit16(src);
read_tr_vertex32(src, item.pos);
item.rotation = (float)read_bitu16(src) / 16384.0f * -90;
item.intensity1 = read_bitu16(src);
if (item.intensity1 >= 0)
item.intensity1 = (8191 - item.intensity1) << 2;
item.intensity2 = item.intensity1;
item.ocb = 0; // Not present in TR1!
item.flags = read_bitu16(src);
}
/** \brief reads a room staticmesh definition.
*
* rotation gets converted to float and scaled appropiatly.
* 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.
*/
void TR_Level::read_tr_room_staticmesh(SDL_RWops * const src, tr2_room_staticmesh_t & room_static_mesh)
{
read_tr_vertex32(src, room_static_mesh.pos);
room_static_mesh.rotation = (float)read_bitu16(src) / 16384.0f * -90;
room_static_mesh.intensity1 = read_bit16(src);
room_static_mesh.object_id = read_bitu16(src);
// make consistent
if (room_static_mesh.intensity1 >= 0)
room_static_mesh.intensity1 = (8191 - room_static_mesh.intensity1) << 2;
// only in TR2
room_static_mesh.intensity2 = room_static_mesh.intensity1;
room_static_mesh.tint.b = room_static_mesh.tint.g = room_static_mesh.tint.r = (room_static_mesh.intensity2 / 16384.0f);
room_static_mesh.tint.a = 1.0f;
}
void TR_Level::read_tr5_room_light(SDL_RWops * const src, tr5_room_light_t & light)
{
uint32_t temp;
read_tr4_vertex_float(src, light.pos);
//read_tr_colour(src, light.color);
light.color.r = read_float(src) * 255.0; // r
light.color.g = read_float(src) * 255.0; // g
light.color.b = read_float(src) * 255.0; // b
light.color.a = read_float(src) * 255.0; // a
light.color.a = 1.0f;
/*
if ((temp != 0) && (temp != 0xCDCDCDCD))
throw TR_ReadError("read_tr5_room_light: seperator1 has wrong value");
*/
light.r_inner = read_float(src);
light.r_outer = read_float(src);
read_float(src); // rad_input
read_float(src); // rad_output
read_float(src); // range
read_tr4_vertex_float(src, light.dir);
read_tr_vertex32(src, light.pos2);
read_tr_vertex32(src, light.dir2);
light.light_type = read_bitu8(src);
temp = read_bitu8(src);
if (temp != 0xCD)
Sys_extWarn("read_tr5_room_light: seperator2 has wrong value");
temp = read_bitu8(src);
if (temp != 0xCD)
Sys_extWarn("read_tr5_room_light: seperator3 has wrong value");
temp = read_bitu8(src);
if (temp != 0xCD)
Sys_extWarn("read_tr5_room_light: seperator4 has wrong value");
}
void TR_Level::read_tr3_room_staticmesh(SDL_RWops *const src, tr2_room_staticmesh_t & room_static_mesh)
{
read_tr_vertex32(src, room_static_mesh.pos);
room_static_mesh.rotation = (float)read_bitu16(src) / 16384.0f * -90;
room_static_mesh.intensity1 = read_bit16(src);
room_static_mesh.intensity2 = read_bit16(src);
room_static_mesh.object_id = read_bitu16(src);
room_static_mesh.tint.r = ((room_static_mesh.intensity1 & 0x001F) ) / 62.0f;
room_static_mesh.tint.g = ((room_static_mesh.intensity1 & 0x03E0) >> 5 ) / 62.0f;
room_static_mesh.tint.b = ((room_static_mesh.intensity1 & 0x7C00) >> 10 ) / 62.0f;
room_static_mesh.tint.a = 1.0f;
}
void TR_Level::read_tr3_room_light(SDL_RWops * const src, tr5_room_light_t & light)
{
read_tr_vertex32(src, light.pos);
light.color.r = read_bitu8(src);
light.color.g = read_bitu8(src);
light.color.b = read_bitu8(src);
light.color.a = read_bitu8(src);
light.fade1 = read_bitu32(src);
light.fade2 = read_bitu32(src);
light.intensity = 1.0f;
light.r_outer = (float)light.fade1;
light.r_inner = (float)light.fade1 / 2.0;
light.light_type = 0x01; // Point light
}
