+/*
+Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
+
+This file is part of Lugaru.
+
+Lugaru is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+Lugaru is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#include "gamegl.h"
#include "Texture.h"
-#include "TGALoader.h"
+#include "ImageIO.h"
using namespace std;
-map<string,Texture> Texture::textures;
-
-extern TGAImageRec texture;
+extern ImageRec texture;
extern bool trilinear;
-Texture::~Texture() {
- free(array);
- glDeleteTextures(1,&id);
+
+class TextureRes
+{
+private:
+ static vector<TextureRes*> list;
+
+ GLuint id;
+ string filename;
+ bool hasMipmap;
+ bool hasAlpha;
+ bool isSkin;
+ int skinsize;
+ GLubyte* data;
+ int datalen;
+ GLubyte* skindata;
+
+ void load();
+
+public:
+ TextureRes(const string& filename, bool hasMipmap, bool hasAlpha);
+ TextureRes(const string& filename, bool hasMipmap, GLubyte* array, int* skinsize);
+ ~TextureRes();
+ void bind();
+
+ static void reloadAll();
+};
+
+
+vector<TextureRes*> TextureRes::list;
+
+void TextureRes::load()
+{
+ //load image into 'texture' global var
+ if (!skindata) {
+ upload_image(ConvertFileName(filename.c_str()));
+ }
+
+ skinsize = texture.sizeX;
+ GLuint type = GL_RGBA;
+ if (texture.bpp == 24)
+ type = GL_RGB;
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glDeleteTextures(1, &id);
+ glGenTextures(1, &id);
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+ glBindTexture(GL_TEXTURE_2D, id);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ if (hasMipmap) {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (trilinear ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR_MIPMAP_NEAREST));
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
+ } else {
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ }
+
+ if (isSkin) {
+ if (skindata) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, skinsize, skinsize, 0, GL_RGB, GL_UNSIGNED_BYTE, skindata);
+ } else {
+ free(data);
+ const int nb = texture.sizeY * texture.sizeX * (texture.bpp / 8);
+ data = (GLubyte*)malloc(nb * sizeof(GLubyte));
+ datalen = 0;
+ for (int i = 0; i < nb; i++)
+ if ((i + 1) % 4 || type == GL_RGB)
+ data[datalen++] = texture.data[i];
+ glTexImage2D(GL_TEXTURE_2D, 0, type, texture.sizeX, texture.sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
+ }
+ } else {
+ glTexImage2D(GL_TEXTURE_2D, 0, type, texture.sizeX, texture.sizeY, 0, type, GL_UNSIGNED_BYTE, texture.data);
+ }
+}
+
+void TextureRes::bind()
+{
+ glBindTexture(GL_TEXTURE_2D, id);
+}
+
+TextureRes::TextureRes(const string& _filename, bool _hasMipmap, bool _hasAlpha):
+ id(0), filename(_filename), hasMipmap(_hasMipmap), hasAlpha(_hasAlpha), isSkin(false),
+ skinsize(0), data(NULL), datalen(0), skindata(NULL)
+{
+ load();
+ list.push_back(this);
+}
+
+TextureRes::TextureRes(const string& _filename, bool _hasMipmap, GLubyte* array, int* skinsizep):
+ id(0), filename(_filename), hasMipmap(_hasMipmap), hasAlpha(false), isSkin(true),
+ skinsize(0), data(NULL), datalen(0), skindata(NULL)
+{
+ load();
+ *skinsizep = skinsize;
+ for (int i = 0; i < datalen; i++)
+ array[i] = data[i];
+ skindata = array;
+ list.push_back(this);
+}
+
+TextureRes::~TextureRes()
+{
+ free(data);
+ glDeleteTextures(1, &id);
+ for (vector<TextureRes*>::iterator it = list.begin(); it != list.end(); it++)
+ if (*it == this) {
+ list.erase(it);
+ break;
+ }
+}
+
+void TextureRes::reloadAll()
+{
+ for (vector<TextureRes*>::iterator it = list.begin(); it != list.end(); it++) {
+ (*it)->id = 0;
+ (*it)->load();
+ }
+}
+
+
+void Texture::load(const string& filename, bool hasMipmap, bool hasAlpha)
+{
+ destroy();
+ tex = new TextureRes(filename, hasMipmap, hasAlpha);
+}
+
+void Texture::load(const string& filename, bool hasMipmap, GLubyte* array, int* skinsizep)
+{
+ destroy();
+ tex = new TextureRes(filename, hasMipmap, array, skinsizep);
}
-void Texture::load() {
- GLuint type;
-
- LOGFUNC;
-
- LOG(std::string("Loading texture...") + fileName);
-
- unsigned char fileNamep[256];
- CopyCStringToPascal(ConvertFileName(fileName.c_str()), fileNamep);
- //Load Image
- upload_image( fileNamep ,hasalpha);
-
- //Alpha channel?
- if ( texture.bpp == 24 )
- type = GL_RGB;
- else
- type = GL_RGBA;
-
- glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
-
- if(!id)
- glGenTextures( 1, &id );
- glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
-
- glBindTexture( GL_TEXTURE_2D, id);
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
- if(mipmap)
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (trilinear?GL_LINEAR_MIPMAP_LINEAR:GL_LINEAR_MIPMAP_NEAREST) );
- else
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
-
- skinsize=texture.sizeX;
-
- if(isSkin) {
- int tempnum=0;
- int nb = (texture.sizeY*texture.sizeX*(texture.bpp/8));
- array = (GLubyte*)malloc(nb*sizeof(GLubyte));
- for(int i=0;i<nb;i++) {
- if((i+1)%4||type==GL_RGB) {
- array[tempnum]=texture.data[i];
- tempnum++;
- }
- }
- arraySize=tempnum;
-
- gluBuild2DMipmaps( GL_TEXTURE_2D, type, texture.sizeX, texture.sizeY, GL_RGB, GL_UNSIGNED_BYTE, array );
- } else {
- gluBuild2DMipmaps( GL_TEXTURE_2D, type, texture.sizeX, texture.sizeY, type, GL_UNSIGNED_BYTE, texture.data );
- }
+void Texture::destroy()
+{
+ if (tex) {
+ delete tex;
+ tex = NULL;
+ }
}
-GLuint Texture::Load(const string& fileName, bool mipmap, bool hasalpha) {
- map<string,Texture>::iterator it = textures.find(fileName);
- if(it==textures.end()) {
- textures.insert(make_pair(fileName,Texture(fileName,mipmap,hasalpha)));
- textures[fileName].load();
- return textures[fileName].getId();
- } else {
- return it->second.getId();
- }
+void Texture::bind()
+{
+ if (tex)
+ tex->bind();
+ else
+ glBindTexture(GL_TEXTURE_2D, 0);
}
-GLuint Texture::Load(const string& fileName, bool mipmap, bool hasalpha, GLubyte* array, int* skinsize) {
- map<string,Texture>::iterator it = textures.find(fileName);
- if(it==textures.end()) {
- textures.insert(make_pair(fileName,Texture(fileName,mipmap,hasalpha,true)));
- textures[fileName].load();
- *skinsize = textures[fileName].skinsize;
- for(int i=0;i<textures[fileName].arraySize;i++) {
- array[i] = textures[fileName].array[i];
- }
- return textures[fileName].getId();
- } else {
- *skinsize = it->second.skinsize;
- for(int i=0;i<it->second.arraySize;i++) {
- array[i] = it->second.array[i];
- }
- return it->second.getId();
- }
+void Texture::reloadAll()
+{
+ TextureRes::reloadAll();
}
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