#include <string>#include <iostream>#include <fstream>#include <cmath>#include <cassert>#include <cstdio>#include "celutil/debug.h"#include "celutil/directory.h"#include "virtualtex.h"#include "gl.h"#include "parser.h"Include dependency graph for virtualtex.cpp:
Go to the source code of this file.
Functions | |
| static VirtualTexture * | CreateVirtualTexture (Hash *texParams, const string &path) |
| static bool | isPow2 (int x) |
| VirtualTexture * | LoadVirtualTexture (const string &filename) |
| static VirtualTexture * | LoadVirtualTexture (istream &in, const string &path) |
Variables | |
| static const int | MaxResolutionLevels = 11 |
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Definition at line 323 of file virtualtex.cpp. References DPRINTF, and isPow2(). Referenced by LoadVirtualTexture(). 00325 {
00326 string imageDirectory;
00327 if (!texParams->getString("ImageDirectory", imageDirectory))
00328 {
00329 DPRINTF(0, "ImageDirectory missing in virtual texture.\n");
00330 return NULL;
00331 }
00332
00333 double baseSplit = 0.0;
00334 if (!texParams->getNumber("BaseSplit", baseSplit) ||
00335 baseSplit < 0.0 || baseSplit != floor(baseSplit))
00336 {
00337 DPRINTF(0, "BaseSplit in virtual texture missing or has bad value\n");
00338 return NULL;
00339 }
00340
00341 double tileSize = 0.0;
00342 if (!texParams->getNumber("TileSize", tileSize))
00343 {
00344 DPRINTF(0, "TileSize is missing from virtual texture\n");
00345 return NULL;
00346 }
00347
00348 if (tileSize != floor(tileSize) ||
00349 tileSize < 64.0 ||
00350 !isPow2((int) tileSize))
00351 {
00352 DPRINTF(0, "Virtual texture tile size must be a power of two >= 64\n");
00353 return NULL;
00354 }
00355
00356 string tileType = "dds";
00357 texParams->getString("TileType", tileType);
00358
00359 string tilePrefix = "tx_";
00360 texParams->getString("TilePrefix", tilePrefix);
00361
00362 return new VirtualTexture(path + "/" + imageDirectory + "/",
00363 (unsigned int) baseSplit,
00364 (unsigned int) tileSize,
00365 tilePrefix,
00366 tileType);
00367
00368 return NULL;
00369 }
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Definition at line 38 of file virtualtex.cpp. 00039 {
00040 return ((x & (x - 1)) == 0);
00041 }
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Definition at line 397 of file virtualtex.cpp. References LoadVirtualTexture(). 00398 {
00399 ifstream in(filename.c_str(), ios::in);
00400
00401 if (!in.good())
00402 {
00403 //DPRINTF(0, "Error opening virtual texture file: %s\n", filename.c_str());
00404 return NULL;
00405 }
00406
00407 // Strip off every character including and after the final slash to get
00408 // the pathname.
00409 string path = ".";
00410 string::size_type pos = filename.rfind('/');
00411 if (pos != string::npos)
00412 path = string(filename, 0, pos);
00413
00414 return LoadVirtualTexture(in, path);
00415 }
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Definition at line 372 of file virtualtex.cpp. References CreateVirtualTexture(), DPRINTF, Value::getHash(), Tokenizer::getNameValue(), Value::getType(), Tokenizer::nextToken(), and Parser::readValue(). Referenced by LoadTextureFromFile(), and LoadVirtualTexture(). 00373 {
00374 Tokenizer tokenizer(&in);
00375 Parser parser(&tokenizer);
00376
00377 if (tokenizer.nextToken() != Tokenizer::TokenName)
00378 return NULL;
00379
00380 string virtTexString = tokenizer.getNameValue();
00381 if (virtTexString != "VirtualTexture")
00382 return NULL;
00383
00384 Value* texParamsValue = parser.readValue();
00385 if (texParamsValue == NULL || texParamsValue->getType() != Value::HashType)
00386 {
00387 DPRINTF(0, "Error parsing virtual texture\n");
00388 return NULL;
00389 }
00390
00391 Hash* texParams = texParamsValue->getHash();
00392
00393 return CreateVirtualTexture(texParams, path);
00394 }
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Definition at line 24 of file virtualtex.cpp. Referenced by VirtualTexture::loadTileTexture(), and VirtualTexture::populateTileTree(). |
1.4.1