paysages3d/lib_paysages/textures/definition.c

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#include "private.h"
#include <stdlib.h>
/******************** Global definition ********************/
static void _validateDefinition(TexturesDefinition* definition)
{
layersValidate(definition->layers);
}
static TexturesDefinition* _createDefinition()
{
TexturesDefinition* definition = malloc(sizeof(TexturesDefinition));
definition->layers = layersCreate(texturesGetLayerType(), TEXTURES_MAX_LAYERS);
return definition;
}
static void _deleteDefinition(TexturesDefinition* definition)
{
layersDelete(definition->layers);
free(definition);
}
static void _copyDefinition(TexturesDefinition* source, TexturesDefinition* destination)
{
layersCopy(source->layers, destination->layers);
}
static void _saveDefinition(PackStream* stream, TexturesDefinition* definition)
{
layersSave(stream, definition->layers);
}
static void _loadDefinition(PackStream* stream, TexturesDefinition* definition)
{
layersLoad(stream, definition->layers);
}
StandardDefinition TexturesDefinitionClass = {
(FuncObjectCreate)_createDefinition,
(FuncObjectDelete)_deleteDefinition,
(FuncObjectCopy)_copyDefinition,
(FuncObjectValidate)_validateDefinition,
(FuncObjectSave)_saveDefinition,
(FuncObjectLoad)_loadDefinition
};
/*** Layer definition ***/
static void _layerValidateDefinition(TexturesLayerDefinition* definition)
{
if (definition->displacement_scaling < 0.000001)
{
definition->displacement_scaling = 0.000001;
}
noiseClearLevels(definition->_displacement_noise);
noiseAddLevelsSimple(definition->_displacement_noise, 4, 1.0, -1.0, 1.0, 0.0);
noiseNormalizeAmplitude(definition->_displacement_noise, -1.0, 1.0, 0);
noiseValidate(definition->_displacement_noise);
noiseClearLevels(definition->_detail_noise);
noiseAddLevelsSimple(definition->_detail_noise, 4, 0.1, -1.0, 1.0, 0.0);
noiseNormalizeAmplitude(definition->_detail_noise, -0.005, 0.005, 0);
noiseValidate(definition->_detail_noise);
}
static TexturesLayerDefinition* _layerCreateDefinition()
{
TexturesLayerDefinition* result;
result = malloc(sizeof(TexturesLayerDefinition));
result->terrain_zone = zoneCreate();
result->_displacement_noise = noiseCreateGenerator();
result->_detail_noise = noiseCreateGenerator();
texturesLayerAutoPreset(result, TEXTURES_LAYER_PRESET_ROCK);
_layerValidateDefinition(result);
return result;
}
static void _layerDeleteDefinition(TexturesLayerDefinition* definition)
{
zoneDelete(definition->terrain_zone);
noiseDeleteGenerator(definition->_displacement_noise);
noiseDeleteGenerator(definition->_detail_noise);
free(definition);
}
static void _layerCopyDefinition(TexturesLayerDefinition* source, TexturesLayerDefinition* destination)
{
zoneCopy(source->terrain_zone, destination->terrain_zone);
destination->displacement_scaling = source->displacement_scaling;
destination->displacement_height = source->displacement_height;
destination->displacement_offset = source->displacement_offset;
destination->material = source->material;
noiseCopy(source->_displacement_noise, destination->_displacement_noise);
noiseCopy(source->_detail_noise, destination->_detail_noise);
}
static void _layerSave(PackStream* stream, TexturesLayerDefinition* layer)
{
zoneSave(stream, layer->terrain_zone);
packWriteDouble(stream, &layer->displacement_scaling);
packWriteDouble(stream, &layer->displacement_height);
packWriteDouble(stream, &layer->displacement_offset);
materialSave(stream, &layer->material);
noiseSaveGenerator(stream, layer->_displacement_noise);
noiseSaveGenerator(stream, layer->_detail_noise);
}
static void _layerLoad(PackStream* stream, TexturesLayerDefinition* layer)
{
zoneLoad(stream, layer->terrain_zone);
packReadDouble(stream, &layer->displacement_scaling);
packReadDouble(stream, &layer->displacement_height);
packReadDouble(stream, &layer->displacement_offset);
materialLoad(stream, &layer->material);
noiseLoadGenerator(stream, layer->_displacement_noise);
noiseLoadGenerator(stream, layer->_detail_noise);
}
LayerType texturesGetLayerType()
{
LayerType result;
result.callback_create = (LayerCallbackCreate)_layerCreateDefinition;
result.callback_delete = (LayerCallbackDelete)_layerDeleteDefinition;
result.callback_copy = (LayerCallbackCopy)_layerCopyDefinition;
result.callback_validate = (LayerCallbackValidate)_layerValidateDefinition;
result.callback_save = (LayerCallbackSave)_layerSave;
result.callback_load = (LayerCallbackLoad)_layerLoad;
return result;
}