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#include <stdint.h>
#include "allfiles.h"
#include "errors.h"
#include "moreio.h"
#include "version.h"
#include "sludger.h"
#include "colours.h"
#include "backdrop.h"
#include "graphics.h"
#include "newfatal.h"
bool freeze ();
void unfreeze (bool); // Because FREEZE.H needs a load of other includes
int thumbWidth = 0, thumbHeight = 0;
extern GLuint backdropTextureName;
bool saveThumbnail (FILE * fp) {
GLuint thumbnailTextureName = 0;
put4bytes (thumbWidth, fp);
put4bytes (thumbHeight, fp);
if (thumbWidth && thumbHeight) {
if (! freeze ()) return false;
setPixelCoords (true);
glUseProgram(shader.texture);
setPMVMatrix(shader.texture);
glGenTextures (1, &thumbnailTextureName);
glBindTexture(GL_TEXTURE_2D, thumbnailTextureName);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
texImage2D (GL_TEXTURE_2D, 0, GL_RGBA, thumbWidth, thumbHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, thumbnailTextureName);
// Render the backdrop (scaled)
//glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glBindTexture (GL_TEXTURE_2D, backdropTextureName);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
const GLfloat vertices[] = {
0., 0., 0.,
thumbWidth-1.f, 0., 0.,
0., thumbHeight-1.f, 0.,
thumbWidth-1.f, thumbHeight-1.f, 0.
};
const GLfloat texCoords[] = {
0.0f, 0.0f,
backdropTexW, 0.0f,
0.0f, backdropTexH,
backdropTexW, backdropTexH
};
drawQuad(shader.texture, vertices, 1, texCoords);
if (gameSettings.antiAlias < 0) {
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} else {
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
deleteTextures (1, &thumbnailTextureName);
thumbnailTextureName = 0;
// Save Our ViewPort
GLushort* image = new GLushort [thumbWidth*thumbHeight];
if (! checkNew (image)) return false;
glReadPixels(viewportOffsetX, viewportOffsetY, thumbWidth, thumbHeight, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, image);
glUseProgram(0);
setPixelCoords (false);
for (int y = 0; y < thumbHeight; y ++) {
for (int x = 0; x < thumbWidth; x ++) {
put2bytes ((*(image +y*thumbWidth+x)), fp);
}
}
delete image;
image = NULL;
unfreeze (true);
}
fputc ('!', fp);
return true;
}
void showThumbnail (char * filename, int atX, int atY) {
GLubyte * thumbnailTexture = NULL;
GLuint thumbnailTextureName = 0;
GLfloat texCoordW = 1.0;
GLfloat texCoordH = 1.0;
int ssgVersion;
FILE * fp = openAndVerify (filename, 'S', 'A', ERROR_GAME_LOAD_NO, ssgVersion);
if (ssgVersion >= VERSION(1,4)) {
if (fp == NULL) return;
int fileWidth = get4bytes (fp);
int fileHeight = get4bytes (fp);
int picWidth = fileWidth;
int picHeight = fileHeight;
if (! NPOT_textures) {
picWidth = getNextPOT(picWidth);
picHeight = getNextPOT(picHeight);
texCoordW = ((double)fileWidth) / picWidth;
texCoordH = ((double)fileHeight) / picHeight;
}
thumbnailTexture = new GLubyte [picHeight*picWidth*4];
if (thumbnailTexture == NULL) return;
int t1, t2;
unsigned short c;
GLubyte * target;
for (t2 = 0; t2 < fileHeight; t2 ++) {
t1 = 0;
while (t1 < fileWidth) {
c = (unsigned short) get2bytes (fp);
target = thumbnailTexture + 4*picWidth*t2 + t1*4;
target[0] = (GLubyte) redValue(c);
target[1] = (GLubyte) greenValue(c);
target[2] = (GLubyte) blueValue(c);
target[3] = (GLubyte) 255;
t1++;
}
}
fclose (fp);
glGenTextures (1, &thumbnailTextureName);
glBindTexture(GL_TEXTURE_2D, thumbnailTextureName);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
texImage2D (GL_TEXTURE_2D, 0, GL_RGBA, picWidth, picHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, thumbnailTexture, thumbnailTextureName);
delete thumbnailTexture;
thumbnailTexture = NULL;
if (atX<0){
fileWidth+= atX;
atX=0;
}
if (atY<0){
fileHeight+= atY;
atY=0;
}
if (fileWidth + atX > sceneWidth) fileWidth = sceneWidth-atX;
if (fileHeight + atY > sceneHeight) fileHeight = sceneHeight-atY;
setPixelCoords (true);
glUseProgram(shader.texture);
setPMVMatrix(shader.texture);
int xoffset = 0;
while (xoffset < fileWidth) {
int w = (fileWidth-xoffset < viewportWidth) ? fileWidth-xoffset : viewportWidth;
int yoffset = 0;
while (yoffset < fileHeight) {
int h = (fileHeight-yoffset < viewportHeight) ? fileHeight-yoffset : viewportHeight;
glBindTexture (GL_TEXTURE_2D, thumbnailTextureName);
const GLfloat vertices[] = {
(GLfloat)fileWidth-1.f-xoffset, (GLfloat)-yoffset, 0.,
(GLfloat)-xoffset, (GLfloat)-yoffset, 0.,
(GLfloat)fileWidth-1.f-xoffset, (GLfloat)fileHeight-1.f-yoffset, 0.,
(GLfloat)-xoffset, (GLfloat)fileHeight-1.f-yoffset, 0.
};
const GLfloat texCoords[] = {
texCoordW, 0.0f,
0.0f, 0.0f,
texCoordW, texCoordH,
0.0f, texCoordH
};
drawQuad(shader.texture, vertices, 1, texCoords);
glDisable(GL_BLEND);
// Copy Our ViewPort To The Texture
copyTexSubImage2D(GL_TEXTURE_2D, 0, atX+xoffset, atY+yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);
yoffset += viewportHeight;
}
xoffset += viewportWidth;
}
glUseProgram(0);
setPixelCoords (false);
deleteTextures (1, &thumbnailTextureName);
thumbnailTextureName = 0;
}
}
bool skipThumbnail (FILE * fp) {
thumbWidth = get4bytes (fp);
thumbHeight = get4bytes (fp);
uint32_t skippy = thumbWidth;
skippy *= thumbHeight << 1;
fseek (fp, skippy, 1);
return (fgetc (fp) == '!');
}
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