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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#include <renderwure/TextureArchive.hpp>
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#include <cstring>
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#include <iostream>
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#include <cassert>
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namespace RW
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{
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std::unique_ptr<TextureArchive> TextureArchive::create(BinaryStream &binaryStream)
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{
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auto textureArchive = std::unique_ptr<TextureArchive>(new TextureArchive);
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auto section = binaryStream.rootHeader;
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assert(
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section->ID == BinaryStream::TEXTURE_DICTIONARY
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&& "BinaryStream passed to this function must be a TEXTURE DICTIONARY"
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);
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// Struct
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section = section->next;
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textureArchive->numTextures = ((uint16_t *) section->data)[0];
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for (size_t i = 0; i < textureArchive->numTextures; i++) {
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section = section->next; // Texture Native
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section = section->next; // Struct
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Texture texture = *reinterpret_cast<Texture *>(section->data);
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if (texture.header.rasterFormat & 0x2000) {
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memcpy(texture.body.palette, section->data + sizeof(TextureHeader) - 4, 1024);
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texture.body.pixels = new uint8_t[texture.header.width * texture.header.height];
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memcpy(texture.body.pixels, section->data + sizeof(TextureHeader) + 1024, texture.header.width * texture.header.height);
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} else {
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size_t bufSize = texture.header.width * texture.header.height * texture.header.bpp/8;
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texture.body.pixels = new uint8_t[bufSize];
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memcpy(texture.body.pixels, section->data + sizeof(TextureHeader), bufSize);
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}
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textureArchive->textures.push_back(texture);
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section = section->next; // Extension
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}
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return textureArchive;
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}
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}
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