TextureInstance::TextureInstance(
const char* name,
const ParamArray& params,
const char* texture_name,
const Transformd& transform)
: Entity(g_class_uid, params)
, impl(new Impl())
{
set_name(name);
impl->m_transform = transform;
impl->m_texture_name = texture_name;
// todo: retrieve the lighting conditions.
impl->m_lighting_conditions = LightingConditions(IlluminantCIED65, XYZCMFCIE196410Deg);
// No bound texture yet.
m_texture = 0;
const EntityDefMessageContext message_context("texture instance", this);
// Retrieve the texture addressing mode.
const string addressing_mode =
m_params.get_optional<string>("addressing_mode", "wrap", make_vector("clamp", "wrap"), message_context);
if (addressing_mode == "clamp")
m_addressing_mode = TextureAddressingClamp;
else m_addressing_mode = TextureAddressingWrap;
// Retrieve the texture filtering mode.
const string filtering_mode =
m_params.get_optional<string>("filtering_mode", "bilinear", make_vector("nearest", "bilinear"), message_context);
if (filtering_mode == "nearest")
m_filtering_mode = TextureFilteringNearest;
else m_filtering_mode = TextureFilteringBilinear;
// Retrieve the texture alpha mode.
const string alpha_mode =
m_params.get_optional<string>("alpha_mode", "alpha_channel", make_vector("alpha_channel", "luminance", "detect"), message_context);
if (alpha_mode == "alpha_channel")
m_alpha_mode = TextureAlphaModeAlphaChannel;
else if (alpha_mode == "luminance")
m_alpha_mode = TextureAlphaModeLuminance;
else m_alpha_mode = TextureAlphaModeDetect;
// Until a texture is bound, the effective alpha mode is simply the user-selected alpha mode.
m_effective_alpha_mode = m_alpha_mode;
}
TextureInstance::TextureInstance(
const char* name,
const ParamArray& params,
const char* texture_name,
const Transformd& transform)
: Entity(g_class_uid, params)
, impl(new Impl())
{
set_name(name);
impl->m_transform = transform;
impl->m_texture_name = texture_name;
// todo: retrieve the lighting conditions.
impl->m_lighting_conditions = LightingConditions(IlluminantCIED65, XYZCMFCIE196410Deg);
m_texture = 0;
// Retrieve the texture addressing mode.
const string addressing_mode = m_params.get_required<string>("addressing_mode", "wrap");
if (addressing_mode == "clamp")
m_addressing_mode = TextureAddressingClamp;
else if (addressing_mode == "wrap")
m_addressing_mode = TextureAddressingWrap;
else
{
RENDERER_LOG_ERROR(
"invalid value \"%s\" for parameter \"addressing_mode\", "
"using default value \"wrap\".",
addressing_mode.c_str());
m_addressing_mode = TextureAddressingWrap;
}
// Retrieve the texture filtering mode.
const string filtering_mode = m_params.get_required<string>("filtering_mode", "bilinear");
if (filtering_mode == "nearest")
m_filtering_mode = TextureFilteringNearest;
else if (filtering_mode == "bilinear")
m_filtering_mode = TextureFilteringBilinear;
else
{
RENDERER_LOG_ERROR(
"invalid value \"%s\" for parameter \"filtering_mode\", "
"using default value \"bilinear\".",
filtering_mode.c_str());
m_filtering_mode = TextureFilteringBilinear;
}
// Retrieve the texture alpha mode.
const string alpha_mode = m_params.get_optional<string>("alpha_mode", "alpha_channel");
if (alpha_mode == "alpha_channel")
m_alpha_mode = TextureAlphaModeAlphaChannel;
else if (alpha_mode == "luminance")
m_alpha_mode = TextureAlphaModeLuminance;
else if (alpha_mode == "detect")
m_alpha_mode = TextureAlphaModeDetect;
else
{
RENDERER_LOG_ERROR(
"invalid value \"%s\" for parameter \"alpha_mode\", "
"using default value \"alpha_channel\".",
alpha_mode.c_str());
m_alpha_mode = TextureAlphaModeAlphaChannel;
}
// Until a texture is bound, the effective alpha mode is simply the user-selected alpha mode.
m_effective_alpha_mode = m_alpha_mode;
}
