Dawn/src/file/loaders/scaledtexture.c

124 lines
3.3 KiB
C

/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "scaledtexture.h"
assetmanageritem_t * assetManagerLoadScaledTexture(
assetmanager_t *manager, assetmanagerowner_t owner,
char *path, char *file, uint8_t scale
) {
assetmanageritem_t *item;
texturescale_t *st;
char buffer[ASSET_MANAGER_ITEM_NAME_MAX];
sprintf(buffer, "%s/%s_%u", path, file, scale);
item = assetManagerItemGet(manager, buffer);
if(item == NULL) {
item = assetManagerItemAdd(manager, buffer);
item->type = ASSET_MANAGER_TYPE_SCALED_TEXTURE;
item->data.scaledTexture.scale = scale;
st = &item->data.scaledTexture.textureScale;
st->scaleCount = 0;
st->baseWidth = 0;
st->baseHeight = 0;
st->path = path;
st->file = file;
}
assetManagerItemGetOrAddHolder(item, owner);
return item;
}
bool _assetManagerLoaderScaledTextureAsync(assetmanageritem_t *item) {
char buffer[128];
char *xmlData;
xml_t xml;
xml_t *child;
int16_t i, j;
texturescale_t *st;
texturescalescale_t *sts;
size_t length;
// TODO: This can be improved if we allow both asset dependencies and
// dependency sibling adding
st = &item->data.scaledTexture.textureScale;
// Begin loading texture XML
sprintf(buffer, "%s/%s.xml", st->path, st->file);
xmlData = assetStringLoad(buffer);
if(xmlData == NULL) return false;
xmlLoad(&xml, xmlData);
free(xmlData);
// Parse root texture info
i = xmlGetAttributeByName(&xml, "channels");
st->channels = (uint8_t)atoi(xml.attributeDatas[i]);
i = xmlGetAttributeByName(&xml, "width");
st->baseWidth = (int16_t)atoi(xml.attributeDatas[i]);
i = xmlGetAttributeByName(&xml, "height");
st->baseHeight = (int16_t)atoi(xml.attributeDatas[i]);
for(j = 0; j < xml.childrenCount; j++) {
child = xml.children + j;
i = xmlGetAttributeByName(child, "scale");
st->scales[st->scaleCount].scale = (uint8_t)atoi(child->attributeDatas[i]);
i = xmlGetAttributeByName(child, "width");
st->scales[st->scaleCount].width = (int16_t)atoi(child->attributeDatas[i]);
i = xmlGetAttributeByName(child, "height");
st->scales[st->scaleCount].height = (int16_t)atoi(child->attributeDatas[i]);
st->scaleCount++;
}
// Cleanup XML
xmlDispose(&xml);
// Get the scale
sts = st->scales + item->data.scaledTexture.scale;
// Get filename
sprintf(buffer, "%s/%s_%i.texture", st->path, st->file, sts->scale);
// Create some space
length = assetRawLoad(buffer, NULL);
if(length == 0) return false;
item->data.scaledTexture.data = malloc(sizeof(pixel_t) * length);
// Load
length = assetRawLoad(buffer, (uint8_t *)item->data.scaledTexture.data);
if(length == 0) {
free(item->data.scaledTexture.data);
return false;
}
return true;
}
bool _assetManagerLoaderScaledTextureSync(assetmanageritem_t *item) {
texturescale_t *st;
texturescalescale_t *sts;
st = &item->data.scaledTexture.textureScale;
sts = st->scales + item->data.scaledTexture.scale;
textureInit(
&item->data.scaledTexture.texture,
sts->width, sts->height,
item->data.scaledTexture.data
);
free(item->data.scaledTexture.data);
return true;
}
bool _assetManagerLoaderScaledTextureDispose(assetmanageritem_t *item) {
textureDispose(&item->data.scaledTexture.texture);
return true;
}