diff options
Diffstat (limited to 'lib/texture.cc')
-rw-r--r-- | lib/texture.cc | 722 |
1 files changed, 361 insertions, 361 deletions
diff --git a/lib/texture.cc b/lib/texture.cc index ea504ab..a06c345 100644 --- a/lib/texture.cc +++ b/lib/texture.cc @@ -1,361 +1,361 @@ -/*
- * mogltk
- * Copyright (C) 1999-2004 Nicolas "Pixel" Noble
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* $Id: texture.cc,v 1.10 2004-11-27 21:44:53 pixel Exp $ */
-
-#include <sys/types.h>
-#include <SDL.h>
-#include <SDL_opengl.h>
-#include <generic.h>
-#include "texture.h"
-#include "engine.h"
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "gettext.h"
-
-#define DEBUG 1
-
-mogltk::texture * mogltk::texture::header = 0;
-mogltk::texture * mogltk::texture::footer = 0;
-
-mogltk::texture * mogltk::texture::active = 0;
-
-mogltk::texture::texture(int w, int h, bool plane) throw (GeneralException) : width(w), height(h),
- texture_allocated(false), planar(plane), tainted(true), taintable(true) {
- if ((!ISPOT(w)) || (!ISPOT(h)))
- throw GeneralException(_("Size of the texture not a power of 2!"));
-
- if (!(surface = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32,
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- 0xff000000,
- 0x00ff0000,
- 0x0000ff00,
- 0x000000ff
-#else
- 0x000000ff,
- 0x0000ff00,
- 0x00ff0000,
- 0xff000000
-#endif
- ))) {
- throw GeneralException(_("Can't create RGB Surface"));
- }
-
- SDL_FillRect(surface, 0, 0);
-
- next = 0;
- prev = footer;
- footer = this;
- if (!header) {
- header = this;
- }
- if (prev) {
- prev->next = this;
- }
-}
-
-mogltk::texture::texture(Handle * h, bool plane) throw (GeneralException) :
- texture_allocated(false), planar(plane), tainted(true), taintable(true) {
-
- SDL_Surface * temp;
-
- temp = LoadNTEX(h);
- width = temp->w;
- height = temp->h;
-
-#ifdef DEBUG
- printm(M_INFO, "Creating texture from file: size %ix%i\n", height, width);
-#endif
-
- if ((!ISPOT(width)) || (!ISPOT(height))) {
- SDL_FreeSurface(temp);
- throw GeneralException(_("Size of the texture not a power of 2!"));
- }
-
- SDL_PixelFormat f;
-
- f.palette = 0;
- f.BitsPerPixel = 32;
- f.BytesPerPixel = 4;
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- f.Amask = 0x000000ff;
- f.Bmask = 0x0000ff00;
- f.Gmask = 0x00ff0000;
- f.Rmask = 0xff000000;
- f.Ashift = 0;
- f.Bshift = 8;
- f.Gshift = 16;
- f.Rshift = 24;
-#else
- f.Rmask = 0x000000ff;
- f.Gmask = 0x0000ff00;
- f.Bmask = 0x00ff0000;
- f.Amask = 0xff000000;
- f.Rshift = 0;
- f.Gshift = 8;
- f.Bshift = 16;
- f.Ashift = 24;
-#endif
- f.Rloss = 0;
- f.Gloss = 0;
- f.Bloss = 0;
- f.Aloss = 0;
-
- if (!(surface = SDL_ConvertSurface(temp, &f, 0))) {
- throw GeneralException("Could not convert texture to OpenGL format");
- }
-
- SDL_FreeSurface(temp);
-
- next = 0;
- prev = footer;
- footer = this;
- if (!header) {
- header = this;
- }
- if (prev) {
- prev->next = this;
- }
-}
-
-inline static unsigned int nextpower(unsigned int n) {
- unsigned int i;
-
- if (!n)
- return n;
-
- if (ISPOT(n))
- return n;
-
- for (i = 31; i >= 0; i--) {
- if ((n >> i) & 1) {
- return 1 << (i + 1);
- }
- }
-}
-
-mogltk::texture::texture(int x, int y, int w, int h) : width(nextpower(w)), height(nextpower(h)),
- texture_allocated(true), planar(false), tainted(false), taintable(false) {
- glGenTextures(1, &tex);
- glBindTexture(GL_TEXTURE_2D, tex);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- 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);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, x, y, w, h);
-}
-
-mogltk::texture::~texture() {
- if (surface) {
- SDL_FreeSurface(surface);
- }
-
- if (texture_allocated) {
- glDeleteTextures(1, &tex);
- }
-
- if (prev) {
- prev->next = next;
- }
-
- if (next) {
- next->prev = prev;
- }
-
- if (this == footer) {
- footer = prev;
- }
-
- if (this == header) {
- header = next;
- }
-}
-
-Uint32 * mogltk::texture::GetPixels() {
- if (surface)
- return (Uint32 *) surface->pixels;
- else
- return 0;
-}
-
-SDL_Surface * mogltk::texture::GetSurface() {
- return surface;
-}
-
-SDL_PixelFormat * mogltk::texture::GetFormat() {
- if (surface)
- return surface->format;
- else
- return 0;
-}
-
-void mogltk::texture::Generate() {
- if (texture_allocated) {
- glDeleteTextures(1, &tex);
- }
-
- glGenTextures(1, &tex);
-#ifdef DEBUG
- printm(M_INFO, _("Generated texture index: %i\n"), tex);
-#endif
-
- glBindTexture(GL_TEXTURE_2D, tex);
-
-#if 0
- if (planar) {
-#ifdef DEBUG
- printm(M_INFO, _("Generating planar texture: %i\n"), tex);
-#endif
- 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, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels);
- } else {
-#endif
-#ifdef DEBUG
- printm(M_INFO, _("Generating 3D texture: %i\n"), tex);
-#endif
- 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);
- gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, width, height, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels);
-// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels);
-#if 0
- }
-#endif
-
- texture_allocated = true;
- tainted = false;
-}
-
-void mogltk::texture::Bind(bool expand) {
- if ((!texture_allocated) || tainted)
- Generate();
- glEnable(GL_TEXTURE_2D);
- if (active == this)
- return;
- glBindTexture(GL_TEXTURE_2D, tex);
- if (expand) {
- glMatrixMode(GL_TEXTURE);
- glLoadIdentity();
- glScaled(1 / (double) width, 1 / (double) height, 1);
- glMatrixMode(GL_MODELVIEW);
- }
-
- active = this;
-
- if (header == this)
- return;
-
- if (prev) {
- prev->next = next;
- }
-
- if (next) {
- next->prev = prev;
- }
-
- if (footer = this) {
- footer = prev;
- }
-
- next = header;
- prev = 0;
- header->prev = this;
- header = this;
-}
-
-GLuint mogltk::texture::GetWidth() {
- return width;
-}
-
-GLuint mogltk::texture::GetHeight() {
- return height;
-}
-
-void mogltk::texture::Unbind(void) {
- if (active) {
- glBindTexture(GL_TEXTURE_2D, 0);
- glDisable(GL_TEXTURE_2D);
- active = 0;
- }
-}
-
-void mogltk::texture::Taint(void) {
- if (taintable)
- tainted = true;
-}
-
-void mogltk::texture::Taintall(void) {
- if (header)
- header->recTaint();
-}
-
-void mogltk::texture::recTaint(void) {
- Taint();
- if (next)
- next->recTaint();
-}
-
-#ifdef WORDS_BIGENDIAN
-#define NTEX_SIGNATURE 0x4e544558
-#else
-#define NTEX_SIGNATURE 0x5845544e
-#endif
-
-SDL_Surface * mogltk::texture::LoadNTEX(Handle * h) throw (GeneralException) {
- SDL_Surface * r;
- char buffer[5];
- Uint16 height, width;
-
- h->read(buffer, 4);
- buffer[4] = 0;
- if (*((Uint32 *) buffer) != NTEX_SIGNATURE)
- throw GeneralException("Texture file " + h->GetName() + " corrupted");
-
- height = h->readU16();
- width = h->readU16();
-
- if (!(r = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32,
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- 0xff000000,
- 0x00ff0000,
- 0x0000ff00,
- 0x000000ff
-#else
- 0x000000ff,
- 0x0000ff00,
- 0x00ff0000,
- 0xff000000
-#endif
- ))) {
- throw GeneralException(_("Can't create RGB Surface for LoadNTEX"));
- }
-
- h->read(r->pixels, height * width * 4);
-
- return r;
-}
-
-void mogltk::texture::DumpBMP(const String & n) {
- if (surface)
- SDL_SaveBMP(surface, n.to_charp());
-}
+/* + * mogltk + * Copyright (C) 1999-2004 Nicolas "Pixel" Noble + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* $Id: texture.cc,v 1.11 2004-11-27 21:48:03 pixel Exp $ */ + +#include <sys/types.h> +#include <SDL.h> +#include <SDL_opengl.h> +#include <generic.h> +#include "texture.h" +#include "engine.h" +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "gettext.h" + +#define DEBUG 1 + +mogltk::texture * mogltk::texture::header = 0; +mogltk::texture * mogltk::texture::footer = 0; + +mogltk::texture * mogltk::texture::active = 0; + +mogltk::texture::texture(int w, int h, bool plane) throw (GeneralException) : width(w), height(h), + texture_allocated(false), planar(plane), tainted(true), taintable(true) { + if ((!ISPOT(w)) || (!ISPOT(h))) + throw GeneralException(_("Size of the texture not a power of 2!")); + + if (!(surface = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + 0xff000000, + 0x00ff0000, + 0x0000ff00, + 0x000000ff +#else + 0x000000ff, + 0x0000ff00, + 0x00ff0000, + 0xff000000 +#endif + ))) { + throw GeneralException(_("Can't create RGB Surface")); + } + + SDL_FillRect(surface, 0, 0); + + next = 0; + prev = footer; + footer = this; + if (!header) { + header = this; + } + if (prev) { + prev->next = this; + } +} + +mogltk::texture::texture(Handle * h, bool plane) throw (GeneralException) : + texture_allocated(false), planar(plane), tainted(true), taintable(true) { + + SDL_Surface * temp; + + temp = LoadNTEX(h); + width = temp->w; + height = temp->h; + +#ifdef DEBUG + printm(M_INFO, "Creating texture from file: size %ix%i\n", height, width); +#endif + + if ((!ISPOT(width)) || (!ISPOT(height))) { + SDL_FreeSurface(temp); + throw GeneralException(_("Size of the texture not a power of 2!")); + } + + SDL_PixelFormat f; + + f.palette = 0; + f.BitsPerPixel = 32; + f.BytesPerPixel = 4; +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + f.Amask = 0x000000ff; + f.Bmask = 0x0000ff00; + f.Gmask = 0x00ff0000; + f.Rmask = 0xff000000; + f.Ashift = 0; + f.Bshift = 8; + f.Gshift = 16; + f.Rshift = 24; +#else + f.Rmask = 0x000000ff; + f.Gmask = 0x0000ff00; + f.Bmask = 0x00ff0000; + f.Amask = 0xff000000; + f.Rshift = 0; + f.Gshift = 8; + f.Bshift = 16; + f.Ashift = 24; +#endif + f.Rloss = 0; + f.Gloss = 0; + f.Bloss = 0; + f.Aloss = 0; + + if (!(surface = SDL_ConvertSurface(temp, &f, 0))) { + throw GeneralException("Could not convert texture to OpenGL format"); + } + + SDL_FreeSurface(temp); + + next = 0; + prev = footer; + footer = this; + if (!header) { + header = this; + } + if (prev) { + prev->next = this; + } +} + +inline static unsigned int nextpower(unsigned int n) { + unsigned int i; + + if (!n) + return n; + + if (ISPOT(n)) + return n; + + for (i = 31; i >= 0; i--) { + if ((n >> i) & 1) { + return 1 << (i + 1); + } + } +} + +mogltk::texture::texture(int x, int y, int w, int h) : width(nextpower(w)), height(nextpower(h)), + texture_allocated(true), planar(false), tainted(false), taintable(false) { + glGenTextures(1, &tex); + glBindTexture(GL_TEXTURE_2D, tex); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + 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); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, x, y, w, h); +} + +mogltk::texture::~texture() { + if (surface) { + SDL_FreeSurface(surface); + } + + if (texture_allocated) { + glDeleteTextures(1, &tex); + } + + if (prev) { + prev->next = next; + } + + if (next) { + next->prev = prev; + } + + if (this == footer) { + footer = prev; + } + + if (this == header) { + header = next; + } +} + +Uint32 * mogltk::texture::GetPixels() { + if (surface) + return (Uint32 *) surface->pixels; + else + return 0; +} + +SDL_Surface * mogltk::texture::GetSurface() { + return surface; +} + +SDL_PixelFormat * mogltk::texture::GetFormat() { + if (surface) + return surface->format; + else + return 0; +} + +void mogltk::texture::Generate() { + if (texture_allocated) { + glDeleteTextures(1, &tex); + } + + glGenTextures(1, &tex); +#ifdef DEBUG + printm(M_INFO, _("Generated texture index: %i\n"), tex); +#endif + + glBindTexture(GL_TEXTURE_2D, tex); + +#if 0 + if (planar) { +#ifdef DEBUG + printm(M_INFO, _("Generating planar texture: %i\n"), tex); +#endif + 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, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels); + } else { +#endif +#ifdef DEBUG + printm(M_INFO, _("Generating 3D texture: %i\n"), tex); +#endif + 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); + gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, width, height, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels); +// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels); +#if 0 + } +#endif + + texture_allocated = true; + tainted = false; +} + +void mogltk::texture::Bind(bool expand) { + if ((!texture_allocated) || tainted) + Generate(); + glEnable(GL_TEXTURE_2D); + if (active == this) + return; + glBindTexture(GL_TEXTURE_2D, tex); + if (expand) { + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glScaled(1 / (double) width, 1 / (double) height, 1); + glMatrixMode(GL_MODELVIEW); + } + + active = this; + + if (header == this) + return; + + if (prev) { + prev->next = next; + } + + if (next) { + next->prev = prev; + } + + if (footer = this) { + footer = prev; + } + + next = header; + prev = 0; + header->prev = this; + header = this; +} + +GLuint mogltk::texture::GetWidth() { + return width; +} + +GLuint mogltk::texture::GetHeight() { + return height; +} + +void mogltk::texture::Unbind(void) { + if (active) { + glBindTexture(GL_TEXTURE_2D, 0); + glDisable(GL_TEXTURE_2D); + active = 0; + } +} + +void mogltk::texture::Taint(void) { + if (taintable) + tainted = true; +} + +void mogltk::texture::Taintall(void) { + if (header) + header->recTaint(); +} + +void mogltk::texture::recTaint(void) { + Taint(); + if (next) + next->recTaint(); +} + +#ifdef WORDS_BIGENDIAN +#define NTEX_SIGNATURE 0x4e544558 +#else +#define NTEX_SIGNATURE 0x5845544e +#endif + +SDL_Surface * mogltk::texture::LoadNTEX(Handle * h) throw (GeneralException) { + SDL_Surface * r; + char buffer[5]; + Uint16 height, width; + + h->read(buffer, 4); + buffer[4] = 0; + if (*((Uint32 *) buffer) != NTEX_SIGNATURE) + throw GeneralException("Texture file " + h->GetName() + " corrupted"); + + height = h->readU16(); + width = h->readU16(); + + if (!(r = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + 0xff000000, + 0x00ff0000, + 0x0000ff00, + 0x000000ff +#else + 0x000000ff, + 0x0000ff00, + 0x00ff0000, + 0xff000000 +#endif + ))) { + throw GeneralException(_("Can't create RGB Surface for LoadNTEX")); + } + + h->read(r->pixels, height * width * 4); + + return r; +} + +void mogltk::texture::DumpBMP(const String & n) { + if (surface) + SDL_SaveBMP(surface, n.to_charp()); +} |