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- /*!
- * \file src/TextureManager.cpp
- * \brief Texture registry
- *
- * \author Mongoose
- * \author xythobuz
- */
-
- #include <string.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <stdarg.h>
-
- #include "global.h"
- #include "Log.h"
- #include "RunTime.h"
- #include "utils/pcx.h"
- #include "utils/pixel.h"
- #include "utils/strings.h"
- #include "utils/tga.h"
- #include "TextureManager.h"
-
- #ifdef USING_PNG
- #include "utils/png.h"
- #endif
-
- TextureTileVertex::TextureTileVertex(uint8_t xc, uint8_t xp, uint8_t yc, uint8_t yp)
- : xCoordinate(xc), xPixel(xp), yCoordinate(yc), yPixel(yp) { }
-
- // ----------------------------------------------------------------------------
-
- TextureTile::~TextureTile() {
- while (!vertices.empty()) {
- delete vertices.at(vertices.size() - 1);
- vertices.pop_back();
- }
- }
-
- void TextureTile::add(TextureTileVertex* t) {
- vertices.push_back(t);
- }
-
- void TextureTile::displayRectangle(float x, float y, float w, float h, float z) {
- assert(vertices.size() == 4);
-
- getTextureManager().bindTextureId(texture);
- //glBegin(GL_TRIANGLE_STRIP);
- glBegin(GL_QUADS);
-
- for (int i = 0; i < 4; i++) {
- glTexCoord2f(vertices.at(i)->xPixel / 256.0f,
- vertices.at(i)->yPixel / 256.0f);
-
- if (vertices.at(i)->xCoordinate == 255) {
- if (vertices.at(i)->yCoordinate == 255) {
- glVertex3f(x + w, y + h, z);
- } else {
- glVertex3f(x + w, y, z);
- }
- } else {
- if (vertices.at(i)->yCoordinate == 255) {
- glVertex3f(x, y + h, z);
- } else {
- glVertex3f(x, y, z);
- }
- }
- }
-
- glEnd();
- }
-
- // ----------------------------------------------------------------------------
-
- TextureManager::~TextureManager() {
- while (mTextureIdsSystem.size() > 0) {
- unsigned int id = mTextureIdsSystem.at(mTextureIdsSystem.size() - 1);
- glDeleteTextures(1, &id);
- mTextureIdsSystem.pop_back();
- }
-
- while (mTextureIdsGame.size() > 0) {
- unsigned int id = mTextureIdsGame.at(mTextureIdsGame.size() - 1);
- glDeleteTextures(1, &id);
- mTextureIdsGame.pop_back();
- }
-
- while (!tiles.empty()) {
- delete tiles.at(tiles.size() - 1);
- tiles.pop_back();
- }
- }
-
- void TextureManager::addTile(TextureTile* t) {
- tiles.push_back(t);
- }
-
- int TextureManager::numTiles() {
- return tiles.size();
- }
-
- TextureTile& TextureManager::getTile(int index) {
- assert(index >= 0);
- assert(index < tiles.size());
- return *tiles.at(index);
- }
-
- std::vector<unsigned int>& TextureManager::getIds(TextureStorage s) {
- if (s == TextureStorage::GAME)
- return mTextureIdsGame;
- else
- return mTextureIdsSystem;
- }
-
- int TextureManager::initialize() {
- unsigned char* image = generateColorTexture(WHITE, 32, 32, 32);
- int res = loadBufferSlot(image, 32, 32, RGBA, 32, TextureStorage::SYSTEM, TEXTURE_WHITE);
- delete [] image;
- if (res < 0) {
- return -1;
- }
-
- //! \fixme Temporary?
- std::string filename = getRunTime().getPakDir() + "/tr2/TITLE.PCX";
- if (loadPCX(filename.c_str(), TextureStorage::SYSTEM, TEXTURE_SPLASH) < 0) {
- filename = getRunTime().getDataDir() + "/splash.tga";
- if (loadTGA(filename.c_str(), TextureStorage::SYSTEM, TEXTURE_SPLASH) < 0) {
- return -2;
- }
- }
-
- return 0;
- }
-
- int TextureManager::loadBufferSlot(unsigned char* image,
- unsigned int width, unsigned int height,
- ColorMode mode, unsigned int bpp,
- TextureStorage s, int slot, bool filter) {
- assert(image != NULL);
- assert(width > 0);
- assert(height > 0);
- assert((mode == GREYSCALE) || (mode == RGB)
- || (mode == BGR) || (mode == ARGB)
- || (mode == RGBA) || (mode == BGRA));
- assert((bpp == 8) || (bpp == 24) || (bpp == 32));
-
- if (slot == -1)
- slot = getIds(s).size();
-
- while (getIds(s).size() <= slot) {
- unsigned int id;
- glGenTextures(1, &id);
- getIds(s).push_back(id);
- }
-
- unsigned int glcMode;
- switch (mode) {
- case GREYSCALE:
- glcMode = GL_LUMINANCE;
- break;
-
- case BGR:
- bgr2rgb24(image, width, height);
- glcMode = GL_RGB;
- break;
-
- case RGB:
- glcMode = GL_RGB;
- break;
-
- case ARGB:
- argb2rgba32(image, width, height);
- glcMode = GL_RGBA;
- break;
-
- case BGRA:
- bgra2rgba32(image, width, height);
- glcMode = GL_RGBA;
- break;
-
- case RGBA:
- glcMode = GL_RGBA;
- break;
- }
-
- glColor3ubv(WHITE);
- glEnable(GL_DEPTH_TEST);
- glShadeModel(GL_SMOOTH);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glBindTexture(GL_TEXTURE_2D, getIds(s).at(slot));
-
- if (filter) {
- glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- } else {
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- glTexImage2D(GL_TEXTURE_2D, 0, bpp / 8, width, height, 0, glcMode, GL_UNSIGNED_BYTE, image);
-
- return slot;
- }
-
- int TextureManager::numTextures(TextureStorage s) {
- return getIds(s).size();
- }
-
- void TextureManager::bindTextureId(unsigned int n, TextureStorage s) {
- assert(n < getIds(s).size());
-
- glEnable(GL_TEXTURE_2D);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
- glBindTexture(GL_TEXTURE_2D, getIds(s).at(n));
- }
-
- int TextureManager::loadImage(const char* filename, TextureStorage s, int slot) {
- if (stringEndsWith(filename, ".pcx") || stringEndsWith(filename, ".PCX")) {
- return loadPCX(filename, s, slot);
- } else if (stringEndsWith(filename, ".png") || stringEndsWith(filename, ".PNG")) {
- return loadPNG(filename, s, slot);
- } else if (stringEndsWith(filename, ".tga") || stringEndsWith(filename, ".TGA")) {
- return loadTGA(filename, s, slot);
- } else {
- getLog() << "No known image file type? (" << filename << ")" << Log::endl;
- }
-
- return -1;
- }
-
- int TextureManager::loadPCX(const char* filename, TextureStorage s, int slot) {
- assert(filename != NULL);
- assert(filename[0] != '\0');
-
- unsigned char* image;
- unsigned int w, h, bpp;
- ColorMode c;
- int id = -1;
- int error = pcxLoad(filename, &image, &w, &h, &c, &bpp);
-
- if (error == 0) {
- unsigned char* image2 = scaleBuffer(image, &w, &h, bpp);
- if (image2) {
- delete [] image;
- image = image2;
- }
- id = loadBufferSlot(image, w, h, c, bpp, s, slot);
- delete [] image;
- }
-
- return id;
- }
-
- int TextureManager::loadPNG(const char* filename, TextureStorage s, int slot) {
- #ifdef USING_PNG
- assert(filename != NULL);
- assert(filename[0] != '\0');
-
- if (pngCheck(filename) != 0) {
- return -1;
- }
-
- unsigned char* image;
- unsigned int w, h, bpp;
- ColorMode c;
- int id = -1;
- int error = pngLoad(filename, &image, &w, &h, &c, &bpp);
-
- if (error == 0) {
- unsigned char* image2 = scaleBuffer(image, &w, &h, bpp);
- if (image2) {
- delete [] image;
- image = image2;
- }
- id = loadBufferSlot(image, w, h, c, bpp, s, slot);
- delete [] image;
- }
-
- return id;
- #else
- getLog() << "No PNG support available (" << filename << ")" << Log::endl;
- return -1;
- #endif
- }
-
- int TextureManager::loadTGA(const char* filename, TextureStorage s, int slot) {
- assert(filename != NULL);
- assert(filename[0] != '\0');
-
- unsigned char* image;
- unsigned int w, h;
- char type;
- int id = -1;
-
- if (!tgaCheck(filename)) {
- tgaLoad(filename, &image, &w, &h, &type);
-
- unsigned char* image2 = scaleBuffer(image, &w, &h, (type == 2) ? 32 : 24);
- if (image2) {
- delete [] image;
- image = image2;
- }
- if (image) {
- id = loadBufferSlot(image, w, h,
- (type == 2) ? RGBA : RGB,
- (type == 2) ? 32 : 24,
- s, slot);
- delete [] image;
- }
- }
-
- return id;
- }
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