Exemple #1
0
void fontSprite (bool flip, int x, int y, sprite & single, const spritePalette & fontPal) {

	float tx1 = (float)(single.tex_x-0.5) / fontPal.tex_w[single.texNum];
	float ty1 = 0.0;
	float tx2 = (float)(single.tex_x + single.width+(flip ? 1.0 : 0.5)) / fontPal.tex_w[single.texNum];
	float ty2 = (float)(single.height+2)/fontPal.tex_h[single.texNum];

	float x1 = (float)x - (float)single.xhot/cameraZoom;
	float y1 = (float)y - (float)single.yhot/cameraZoom;
	float x2 = x1 + (float)single.width/cameraZoom;
	float y2 = y1 + (float)single.height/cameraZoom;

	GLfloat vertices[] = { 
		x1, y1, 0.0f, 
		x2, y1, 0.0f, 
		x1, y2, 0.0f,
		x2, y2, 0.0f
	};
	if (flip) {
		vertices[0] = x2;
		vertices[3] = x1;
		vertices[6] = x2;
		vertices[9] = x1;
	}

	const GLfloat texCoords[] = { 
		tx1, ty1,
		tx2, ty1,
		tx1, ty2,
		tx2, ty2
	}; 

	//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); // GL_MODULATE instead of decal mixes the colours!
	setPrimaryColor(fontPal.originalRed/255.f, fontPal.originalGreen/255.f, fontPal.originalBlue/255.f, 1.0f);
	glBindTexture (GL_TEXTURE_2D, fontPal.tex_names[single.texNum]);

	glUseProgram(shader.smartScaler);
	GLuint uniform = glGetUniformLocation(shader.smartScaler, "useLightTexture");
	if (uniform >= 0) glUniform1i(uniform, 0);

	setPMVMatrix(shader.smartScaler);

	if (gameSettings.antiAlias == 1) {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 1);
	} else {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 0);
	}

	glEnable(GL_BLEND);

	drawQuad(shader.smartScaler, vertices, 1, texCoords);

	glDisable(GL_BLEND);
	glUseProgram(0);
}
Exemple #2
0
void hardScroll (int distance) {
	if (abs (distance) >= sceneHeight) {
		blankScreen (0, 0, sceneWidth, sceneHeight);
		return;
	}

	if (! distance) return;

	const GLfloat backdropTexCoords[] = { 
		0.0f, 0.0f,
		backdropTexW, 0.0f,
		0.0f, backdropTexH,
		backdropTexW, backdropTexH
	}; 

	setPixelCoords (true);

	unsigned int xoffset = 0;
	while (xoffset < sceneWidth) {
		int w = (sceneWidth-xoffset < viewportWidth) ? sceneWidth-xoffset : viewportWidth;

		unsigned int yoffset = 0;
		while (yoffset < sceneHeight) {
			int h = (sceneHeight-yoffset < viewportHeight) ? sceneHeight-yoffset : viewportHeight;

			glClear(GL_COLOR_BUFFER_BIT);	// Clear The Screen

			// Render the backdrop
			glBindTexture (GL_TEXTURE_2D, backdropTextureName);
			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-distance-yoffset, 0., 
				(GLfloat)sceneWidth-xoffset, (GLfloat)-distance-yoffset, 0., 
				(GLfloat)-xoffset, (GLfloat)sceneHeight-distance-yoffset, 0.,
				(GLfloat)sceneWidth-xoffset, (GLfloat)sceneHeight-distance-yoffset, 0. 
			};

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);

			drawQuad(shader.texture, vertices, 1, backdropTexCoords);
			glUseProgram(0);

			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, xoffset, yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);
			
			yoffset += viewportHeight;
		}
		xoffset += viewportWidth;
	}
	setPixelCoords (false);
}
Exemple #3
0
void blankScreen (int x1, int y1, int x2, int y2) {

	if (y1 < 0) y1 = 0;
	if (x1 < 0) x1 = 0;
	if (x2 > (int) sceneWidth) x2 = (int)sceneWidth;
	if (y2 > (int) sceneHeight) y2 = (int)sceneHeight;

	int picWidth = x2-x1;
	int picHeight = y2-y1;

	setPixelCoords (true);

	int xoffset = 0;
	while (xoffset < picWidth) {
		int w = (picWidth-xoffset < viewportWidth) ? picWidth-xoffset : viewportWidth;

		int yoffset = 0;
		while (yoffset < picHeight) {
			int h = (picHeight-yoffset < viewportHeight) ? picHeight-yoffset : viewportHeight;

			// Render the scene

		

			const GLfloat vertices[] = { 
				-10.325f, -1.325f, 0.0f, 
				w+1.325f, -1.325f, 0.0f, 
				-10.325f, h+1.325f, 0.0f,
				w+1.325f, h+1.325f, 0.0f 
			};

			glUseProgram(shader.color);
			setPMVMatrix(shader.color);
			setPrimaryColor(redValue(currentBlankColour)/255.0f, greenValue(currentBlankColour)/255.0f, blueValue(currentBlankColour)/255.0f, 1.0f);
			drawQuad(shader.color, vertices, 0);
			glUseProgram(0);

			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, x1+xoffset, y1+yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);

			yoffset += viewportHeight;
		}
		xoffset += viewportWidth;
	}

	setPixelCoords (false);
}
Exemple #4
0
bool loadHSI (FILE * fp, int x, int y, bool reserve) {

	int t1, t2, n;
	unsigned short c;
	GLubyte * target;
	int32_t transCol = reserve ? -1 : 63519;
	int picWidth;
	int picHeight;
	int realPicWidth, realPicHeight;
	long file_pointer = ftell (fp);

	png_structp png_ptr;
	png_infop info_ptr, end_info;


	int fileIsPNG = true;

	// Is this a PNG file?

	char tmp[10];
	size_t bytes_read = fread(tmp, 1, 8, fp);
	if (bytes_read != 8 && ferror (fp)) {
		debugOut("Reading error in loadHSI.\n");
	}
    if (png_sig_cmp((png_byte *) tmp, 0, 8)) {
		// No, it's old-school HSI
		fileIsPNG = false;
		fseek(fp, file_pointer, SEEK_SET);

		picWidth = realPicWidth = get2bytes (fp);
		picHeight = realPicHeight = get2bytes (fp);
	} else {
		// Read the PNG header

		png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
		if (!png_ptr) {
			return false;
		}

		info_ptr = png_create_info_struct(png_ptr);
		if (!info_ptr) {
			png_destroy_read_struct(&png_ptr, (png_infopp) NULL, (png_infopp) NULL);
			return false;
		}

		end_info = png_create_info_struct(png_ptr);
		if (!end_info) {
			png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
			return false;
		}
		png_init_io(png_ptr, fp);		// Tell libpng which file to read
		png_set_sig_bytes(png_ptr, 8);	// 8 bytes already read

		png_read_info(png_ptr, info_ptr);

		png_uint_32 width, height;
		int bit_depth, color_type, interlace_type, compression_type, filter_method;
		png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, &compression_type, &filter_method);

		picWidth = realPicWidth = width;
		picHeight = realPicHeight = height;

		if (bit_depth < 8) png_set_packing(png_ptr);
		png_set_expand(png_ptr);
		if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) png_set_gray_to_rgb(png_ptr);
		if (bit_depth == 16) png_set_strip_16(png_ptr);

		png_set_add_alpha(png_ptr, 0xff, PNG_FILLER_AFTER);

		png_read_update_info(png_ptr, info_ptr);
		png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, &compression_type, &filter_method);

		//int rowbytes = png_get_rowbytes(png_ptr, info_ptr);

	}


	GLfloat texCoordW = 1.0;
	GLfloat texCoordH = 1.0;
	if (! NPOT_textures) {
		picWidth = getNextPOT(picWidth);
		picHeight = getNextPOT(picHeight);
		texCoordW = ((double)realPicWidth) / picWidth;
		texCoordH = ((double)realPicHeight) / picHeight;
	}

	if (reserve) {
		if (! resizeBackdrop (realPicWidth, realPicHeight)) return false;
	}

	if (x == IN_THE_CENTRE) x = (sceneWidth - realPicWidth) >> 1;
	if (y == IN_THE_CENTRE) y = (sceneHeight - realPicHeight) >> 1;
	if (x < 0 || x + realPicWidth > sceneWidth || y < 0 || y + realPicHeight > sceneHeight) return false;

	if (fileIsPNG) {
		unsigned char * row_pointers[realPicHeight];
		for (int i = 0; i<realPicHeight; i++)
			row_pointers[i] = backdropTexture + 4*i*picWidth;

		png_read_image(png_ptr, (png_byte **) row_pointers);
		png_read_end(png_ptr, NULL);
		png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
	} else {
		for (t2 = 0; t2 < realPicHeight; t2 ++) {
			t1 = 0;
			while (t1 < realPicWidth) {
				c = (unsigned short) get2bytes (fp);
				if (c & 32) {
					n = fgetc (fp) + 1;
					c -= 32;
				} else {
					n = 1;
				}
				while (n --) {
					target = backdropTexture + 4*picWidth*t2 + t1*4;
					if (c == transCol || c == 2015) {
						target[0] = (GLubyte) 0;
						target[1] = (GLubyte) 0;
						target[2] = (GLubyte) 0;
						target[3] = (GLubyte) 0;
					} else {
						target[0] = (GLubyte) redValue(c);
						target[1] = (GLubyte) greenValue(c);
						target[2] = (GLubyte) blueValue(c);
						target[3] = (GLubyte) 255;
					}
					t1++;
				}
			}
		}
	}

	GLuint tmpTex;

	glGenTextures (1, &tmpTex);
	glBindTexture(GL_TEXTURE_2D, tmpTex);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
	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);
	}
	texImage2D (GL_TEXTURE_2D, 0, GL_RGBA, picWidth, picHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, backdropTexture, tmpTex);


	//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);


	float btx1;
	float btx2;
	float bty1;
	float bty2;
	if (! NPOT_textures) {
		btx1 = backdropTexW * x / sceneWidth;
		btx2 = backdropTexW * (x+realPicWidth) / sceneWidth;
		bty1 = backdropTexH * y / sceneHeight;
		bty2 = backdropTexH * (y+realPicHeight) / sceneHeight;
	} else {
		btx1 = (float) x / sceneWidth;
		btx2 = (float) (x+realPicWidth) / sceneWidth;
		bty1 = (float) y / sceneHeight;
		bty2 = (float) (y+realPicHeight) / sceneHeight;
	}

	const GLfloat btexCoords[] = { 
		btx1, bty1,
		btx2, bty1,
		btx1, bty2,
		btx2, bty2 
	}; 

	setPixelCoords (true);

	int xoffset = 0;
	while (xoffset < realPicWidth) {
		int w = (realPicWidth-xoffset < viewportWidth) ? realPicWidth-xoffset : viewportWidth;

		int yoffset = 0;
		while (yoffset < realPicHeight) {
			int h = (realPicHeight-yoffset < viewportHeight) ? realPicHeight-yoffset : viewportHeight;

			glClear(GL_COLOR_BUFFER_BIT);	// Clear The Screen

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)realPicWidth-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)-xoffset, (GLfloat)-yoffset+realPicHeight, 0.,
				(GLfloat)realPicWidth-xoffset, (GLfloat)-yoffset+realPicHeight, 0.
			};

			const GLfloat texCoords[] = { 
				0.0f, 0.0f,
				texCoordW, 0.0f,
				0.0f, texCoordH,
				texCoordW, texCoordH
			}; 

			if (backdropExists) {
				// Render the sprite to the backdrop
				// (using mulitexturing, so the old backdrop is seen where alpha < 1.0)
				glActiveTexture(GL_TEXTURE2);
				glBindTexture (GL_TEXTURE_2D, backdropTextureName);
				glActiveTexture(GL_TEXTURE0);

				glUseProgram(shader.paste);
				GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
				if (uniform >= 0) glUniform1i(uniform, 0); // No lighting

				setPMVMatrix(shader.paste);

				setPrimaryColor(1.0, 1.0, 1.0, 1.0);
				glBindTexture(GL_TEXTURE_2D, tmpTex);
				//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

				drawQuad(shader.paste, vertices, 3, texCoords, NULL, btexCoords);

				glUseProgram(0);

			} else {
				// It's all new - nothing special to be done.

				glUseProgram(shader.texture);
				setPMVMatrix(shader.texture);

				glBindTexture(GL_TEXTURE_2D, tmpTex);

				setPrimaryColor(1.0, 0.0, 0.0, 0.0);

				drawQuad(shader.texture, vertices, 1, texCoords);

				glUseProgram(0);
			}

			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, x+xoffset, y+yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);

			yoffset += viewportHeight;
		}

		xoffset += viewportWidth;
	}
	deleteTextures(1, &tmpTex);

	setPixelCoords (false);

	backdropExists = true;
	return true;
}
Exemple #5
0
void drawBackDrop () {

	setPrimaryColor(1.0, 1.0, 1.0, 1.0);

	//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
	glEnable(GL_BLEND);

	glUseProgram(shader.smartScaler);
	GLuint uniform = glGetUniformLocation(shader.smartScaler, "useLightTexture");
	if (uniform >= 0) glUniform1i(uniform, 0);

	setPMVMatrix(shader.smartScaler);

	if (gameSettings.antiAlias == 1) {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 1);
	} else {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 0);
	}

	if (parallaxStuff) {
		parallaxLayer * ps = parallaxStuff;

		while (ps->next) ps = ps->next;

		while (ps) {
			ps -> cameraX = sortOutPCamera (cameraX, ps -> fractionX, (int)(sceneWidth - (float)winWidth/cameraZoom), (int)(ps -> width - (float)winWidth/cameraZoom));
			ps -> cameraY = sortOutPCamera (cameraY, ps -> fractionY, (int)(sceneHeight - (float)winHeight/cameraZoom), (int)(ps -> height - (float)winHeight/cameraZoom));

			glBindTexture (GL_TEXTURE_2D, ps->textureName);

			float w = (ps->wrapS) ? sceneWidth : ps->width;
			float h = (ps->wrapT) ? sceneHeight : ps->height;
			float texw;
			float texh;
			if (! NPOT_textures) {
				texw = (ps->wrapS) ? (float) sceneWidth / ps->width: (float) ps->width / getNextPOT(ps->width);
				texh = (ps->wrapT) ? (float) sceneHeight / ps->height: (float) ps->height / getNextPOT(ps->height);
			} else {
				texw = (ps->wrapS) ? (float) sceneWidth / ps->width: 1.0;
				texh = (ps->wrapT) ? (float) sceneHeight / ps->height: 1.0;
			}

			const GLfloat vertices[] = { 
				(GLfloat)-ps -> cameraX, (GLfloat)-ps -> cameraY, 0.1f, 
				w -ps -> cameraX, (GLfloat)-ps -> cameraY, 0.1f, 
				(GLfloat)-ps -> cameraX, h -ps -> cameraY, 0.1f,
				w -ps -> cameraX, h -ps -> cameraY, 0.1f
			};

			const GLfloat texCoords[] = { 
				0.0f, 0.0f,
				texw, 0.0f,
				0.0f, texh,
				texw, texh
			}; 
			drawQuad(shader.smartScaler, vertices, 1, texCoords);

			ps = ps -> prev;
		}
	}

	glBindTexture (GL_TEXTURE_2D, backdropTextureName);

	const GLfloat backdropTexCoords[] = { 
		0.0f, 0.0f,
		backdropTexW, 0.0f,
		0.0f, backdropTexH,
		backdropTexW, backdropTexH
	}; 

	const GLfloat vertices[] = { 
		(GLfloat)-cameraX, (GLfloat)-cameraY, 0., 
		(GLfloat)sceneWidth- (GLfloat)cameraX, (GLfloat)-cameraY, 0., 
		(GLfloat)-cameraX, (GLfloat)sceneHeight- (GLfloat)cameraY, 0.,
		(GLfloat)sceneWidth- (GLfloat)cameraX, (GLfloat)sceneHeight- (GLfloat)cameraY, 0.
	};

	drawQuad(shader.smartScaler, vertices, 1, backdropTexCoords);

	glDisable(GL_BLEND);

	glUseProgram(0);
}
Exemple #6
0
void darkScreen () {
	setPixelCoords (true);

	int xoffset = 0;
	while (xoffset < sceneWidth) {
		int w = (sceneWidth-xoffset < viewportWidth) ? sceneWidth-xoffset : viewportWidth;

		int yoffset = 0;
		while (yoffset < sceneHeight) {
			int h = (sceneHeight-yoffset < viewportHeight) ? sceneHeight-yoffset : viewportHeight;

			// Render the scene - first the old backdrop
		
			//glTexEnvf (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_NEAREST);

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)sceneWidth-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)-xoffset, (GLfloat)sceneHeight-yoffset, 0.,
				(GLfloat)sceneWidth-xoffset, (GLfloat)sceneHeight-yoffset, 0.
			};

			const GLfloat texCoords[] = { 
				0.0f, 0.0f,
				backdropTexW, 0.0f,
				0.0f, backdropTexH,
				backdropTexW, backdropTexH
			}; 

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);

			drawQuad(shader.texture, vertices, 1, texCoords);

			// Then the darkness
		
			glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE);

			glEnable(GL_BLEND);

			glUseProgram(shader.color);
			setPMVMatrix(shader.color);
			setPrimaryColor(0.0f, 0.0f, 0.0f, 0.5f);
			drawQuad(shader.color, vertices, 0);
			glUseProgram(0);

			glDisable(GL_BLEND);
			glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);

			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, xoffset, yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);

			yoffset += h;
			glClear(GL_COLOR_BUFFER_BIT);

		}
		xoffset += w;
	}


	setPixelCoords (false);
}
Exemple #7
0
void saveCoreHSI (FILE * writer, GLuint texture, int w, int h) {

	GLint tw, th;
	glBindTexture (GL_TEXTURE_2D, texture);
	getTextureDimensions(texture, &tw, &th);

	GLushort* image = new GLushort [tw*th];
	if (! checkNew (image)) return;

	glPixelStorei (GL_PACK_ALIGNMENT, 1);
//	glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, image);

	setPixelCoords (true);
	
	

	//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
	
	const GLfloat texCoords[] = { 
		0.0f, 0.0f,
		1.0f, 0.0f,
		0.0f, 1.0f,
		1.0f, 1.0f
	}; 

	int xoffset = 0;
	while (xoffset < tw) {
		int w = (tw-xoffset < viewportWidth) ? tw-xoffset : viewportWidth;
		
		int yoffset = 0;
		while (yoffset < th) {
			int h = (th-yoffset < viewportHeight) ? th-yoffset : viewportHeight;
			
			glClear(GL_COLOR_BUFFER_BIT);	// Clear The Screen

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)w-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)-xoffset, (GLfloat)-yoffset+h, 0.,
				(GLfloat)w-xoffset, (GLfloat)-yoffset+h, 0.
			};

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);
			drawQuad(shader.texture, vertices, 1, texCoords);
			glUseProgram(0);
			
			for (int i = 0; i<h; i++)	{
				glReadPixels(viewportOffsetX, viewportOffsetY+i, w, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, image+xoffset+(yoffset+i)*tw);
			}
			
			yoffset += viewportHeight;
		}
		
		xoffset += viewportWidth;
	}
	//glReadPixels(viewportOffsetX, viewportOffsetY, tw, th, GL_RGBA, GL_UNSIGNED_BYTE, data);
	
	setPixelCoords (false);
	
	
	
	int x, y, lookAhead;
	unsigned short int * fromHere, * lookPointer;

	put2bytes (w, writer);
	put2bytes (h, writer);

	for (y = 0; y < h; y ++) {
		fromHere = image +(y*tw);
		x = 0;
		while (x < w) {
			lookPointer = fromHere + 1;
			for (lookAhead = x + 1; lookAhead < w; lookAhead ++) {
				if (lookAhead - x == 256) break;
				if (* fromHere != * lookPointer) break;
				lookPointer ++;
			}
			if (lookAhead == x + 1) {
				put2bytes ((* fromHere) & 65503, writer);
			} else {
				put2bytes (* fromHere | 32, writer);
				fputc (lookAhead - x - 1, writer);
			}
			fromHere = lookPointer;
			x = lookAhead;
		}
	}
	delete [] image;
	image = NULL;
}
Exemple #8
0
void saveCorePNG  (FILE * writer, GLuint texture, int w, int h) {
	GLint tw, th;

	glBindTexture (GL_TEXTURE_2D, texture);
	getTextureDimensions(texture, &tw, &th);

	GLubyte* image = new GLubyte [tw*th*4];
	if (! checkNew (image)) return;

	glPixelStorei (GL_PACK_ALIGNMENT, 1);
//	glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_BYTE, image);

	setPixelCoords (true);
		

	//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

	const GLfloat texCoords[] = { 
		0.0f, 0.0f,
		1.0f, 0.0f,
		0.0f, 1.0f,
		1.0f, 1.0f
	}; 

	int xoffset = 0;
	while (xoffset < tw) {
		int w = (tw-xoffset < viewportWidth) ? tw-xoffset : viewportWidth;

		int yoffset = 0;
		while (yoffset < th) {
			int h = (th-yoffset < viewportHeight) ? th-yoffset : viewportHeight;
			
			glClear(GL_COLOR_BUFFER_BIT);	// Clear The Screen

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)tw-xoffset, (GLfloat)-yoffset, 0., 
				(GLfloat)-xoffset, (GLfloat)-yoffset+th, 0.,
				(GLfloat)tw-xoffset, (GLfloat)-yoffset+th, 0.
			};

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);

			drawQuad(shader.texture, vertices, 1, texCoords);

			glUseProgram(0);

			for (int i = 0; i<h; i++)	{
				glReadPixels(viewportOffsetX, viewportOffsetY+i, w, 1, GL_RGBA, GL_UNSIGNED_BYTE, image+xoffset*4+(yoffset+i)*4*tw);
			}
			
			yoffset += viewportHeight;
		}
		
		xoffset += viewportWidth;
	}
	
	setPixelCoords (false);
	
	
	
	png_structp png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
	if (!png_ptr) {
		fatal ("Error saving image!");
		return;
	}

	png_infop info_ptr = png_create_info_struct(png_ptr);
	if (!info_ptr){
		png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
		fatal ("Error saving image!");
		return;
	}

	png_init_io(png_ptr, writer);

	png_set_IHDR(png_ptr, info_ptr, w, h,
				 8, PNG_COLOR_TYPE_RGBA, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);

	unsigned char * row_pointers[h];

	for (int i = 0; i < h; i++) {
		row_pointers[i] = image + 4*i*tw;
	}

	png_set_rows(png_ptr, info_ptr, row_pointers);
    png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);

	delete [] image;
	image = NULL;
}
Exemple #9
0
// Paste a scaled sprite onto the backdrop
void fixScaleSprite (int x, int y, sprite & single, const spritePalette & fontPal, onScreenPerson * thisPerson, int camX, int camY, bool mirror) {

	float scale = thisPerson-> scale;
	bool useZB = ! (thisPerson->extra & EXTRA_NOZB);
	bool light = ! (thisPerson->extra & EXTRA_NOLITE);

	if (scale <= 0.05) return;

	float tx1 = (float)(single.tex_x) / fontPal.tex_w[single.texNum];
	float ty1 = (float) 1.0/fontPal.tex_h[single.texNum];//0.0;
	float tx2 = (float)(single.tex_x + single.width) / fontPal.tex_w[single.texNum];
	float ty2 = (float)(single.height+1)/fontPal.tex_h[single.texNum];

	int diffX = (int)(((float)single.width) * scale);
	int diffY = (int)(((float)single.height) * scale);
	int x1;
	if (single.xhot < 0)
		x1 = x - (int)((mirror ? (float) (single.width - single.xhot) : (float)(single.xhot+1) ) * scale);
	else
		x1 = x - (int)((mirror ? (float) (single.width - (single.xhot+1)) : (float)single.xhot ) * scale);
	int y1 = y - (int)((single.yhot - thisPerson->floaty) * scale);

	float spriteWidth = diffX;
	float spriteHeight = diffY;
	if (x1 < 0) diffX += x1;
	if (y1 < 0) diffY += y1;
	if (x1 + diffX > sceneWidth) diffX = sceneWidth - x1;
	if (y1 + diffY > sceneHeight) diffY = sceneHeight - y1;
	if (diffX < 0) return;
	if (diffY < 0) return;

	GLfloat z;


	if (useZB && zBuffer.numPanels) {
		int i;
		for (i = 1; i<zBuffer.numPanels; i++) {
			if (zBuffer.panel[i] >= y + cameraY) {
				i--;
				break;
			}
		}
		z = 0.999 - (double) i * (1.0 / 128.0);
	} else {
		z = -0.5;
	}

	float ltx1, btx1;
	float ltx2, btx2;
	float lty1, bty1;
	float lty2, bty2;
	if (! NPOT_textures) {
		ltx1 = lightMap.texW * x1 / sceneWidth;
		ltx2 = lightMap.texW * (x1+spriteWidth) / sceneWidth;
		lty1 = lightMap.texH * y1 / sceneHeight;
		lty2 = lightMap.texH * (y1+spriteHeight) / sceneHeight;
		btx1 = backdropTexW * x1 / sceneWidth;
		btx2 = backdropTexW * (x1+spriteWidth) / sceneWidth;
		bty1 = backdropTexH * y1 / sceneHeight;
		bty2 = backdropTexH * (y1+spriteHeight) / sceneHeight;
	} else {
		btx1 = ltx1 = (float) x1 / sceneWidth;
		btx2 = ltx2 = (float) (x1+spriteWidth) / sceneWidth;
		bty1 = lty1 = (float) y1 / sceneHeight;
		bty2 = lty2 = (float) (y1+spriteHeight) / sceneHeight;
	}

	const GLfloat ltexCoords[] = { 
		ltx1, lty1,
		ltx2, lty1,
		ltx1, lty2,
		ltx2, lty2
	}; 

	const GLfloat btexCoords[] = { 
		btx1, bty1,
		btx2, bty1,
		btx1, bty2,
		btx2, bty2
	}; 

	if (light && lightMap.data) {
		if (lightMapMode == LIGHTMAPMODE_HOTSPOT) {
			int lx=x+cameraX;
			int ly=y+cameraY;
			if (lx<0 || ly<0 || lx>=sceneWidth || ly>=sceneHeight) {
				curLight[0] = curLight[1] = curLight[2] = 255;
			} else {
				GLubyte *target = lightMap.data + (ly*sceneWidth + lx)*4;
				curLight[0] = target[0];
				curLight[1] = target[1];
				curLight[2] = target[2];
			}
		} else if (lightMapMode == LIGHTMAPMODE_PIXEL) {
			curLight[0] = curLight[1] = curLight[2] = 255;
			glActiveTexture(GL_TEXTURE1);
			glBindTexture (GL_TEXTURE_2D, lightMap.name);
		}
	} else {
		curLight[0] = curLight[1] = curLight[2] = 255;
	}
	glActiveTexture(GL_TEXTURE2);
	glBindTexture (GL_TEXTURE_2D, backdropTextureName);
	glActiveTexture(GL_TEXTURE0);

	setPixelCoords (true);
	GLfloat xoffset = 0.0f;
	while (xoffset < diffX) {
		int w = (diffX-xoffset < viewportWidth) ? (int) (diffX-xoffset) : viewportWidth;

		GLfloat yoffset = 0.0f;
		while (yoffset < diffY) {

			int h = (diffY-yoffset< viewportHeight) ? (int) (diffY-yoffset) : viewportHeight;

			// Render the scene - first the old backdrop (so that it'll show through when the z-buffer is active
			//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_NEAREST);

			const GLfloat vertices[] = { 
				-x1-xoffset, -y1-yoffset, 0.0f, 
				sceneWidth-x1-xoffset, -y1-yoffset, 0.0f, 
				-x1-xoffset, sceneHeight-y1-yoffset, 0.0f,
				sceneWidth-x1-xoffset, sceneHeight-y1-yoffset, 0.0f
			};

			const GLfloat texCoords[] = { 
				0.0f, 0.0f,
				backdropTexW, 0.0f,
				0.0f, backdropTexH,
				backdropTexW, backdropTexH
			}; 

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);

			drawQuad(shader.texture, vertices, 1, texCoords);

			// The z-buffer
			if (useZB) {
				glDepthMask (GL_TRUE);
				glClear(GL_DEPTH_BUFFER_BIT);
				drawZBuffer((int) (x1+xoffset+camX), (int) (y1+yoffset+camY), false);

				glDepthMask (GL_FALSE);
				glEnable(GL_DEPTH_TEST);
			}

			// Then the sprite
			glUseProgram(shader.paste);
			GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
			if (uniform >= 0) glUniform1i(uniform, light && lightMapMode == LIGHTMAPMODE_PIXEL && lightMap.data);

			setPMVMatrix(shader.paste);

			setDrawMode (thisPerson);

			glBindTexture (GL_TEXTURE_2D, fontPal.tex_names[single.texNum]);

			const GLfloat vertices2[] = { 
				-xoffset, -yoffset, z, 
				spriteWidth-xoffset, -yoffset, z, 
				-xoffset, spriteHeight-yoffset, z,
				spriteWidth-xoffset, spriteHeight-yoffset, z
			};

			if (! mirror) {
				GLfloat tx3 = tx1;
				tx1 = tx2;
				tx2 = tx3;
			}
			const GLfloat texCoords2[] = { 
				tx2, ty1,
				tx1, ty1,
				tx2, ty2,
				tx1, ty2
			}; 

			drawQuad(shader.paste, vertices2, 3, texCoords2, ltexCoords, btexCoords);

			setSecondaryColor(0., 0., 0., 1.);
			//glDisable(GL_COLOR_SUM); FIXME: replace line?

			// Copy Our ViewPort To The Texture
			glUseProgram(0);

			copyTexSubImage2D(GL_TEXTURE_2D, 0, (int) ((x1<0) ? xoffset: x1+xoffset), (int) ((y1<0) ? yoffset: y1+yoffset), (int) ((x1<0) ?viewportOffsetX-x1:viewportOffsetX), (int) ((y1<0) ?viewportOffsetY-y1:viewportOffsetY), w, h, backdropTextureName);

			yoffset += viewportHeight;
		}
		xoffset += viewportWidth;
	}

	setPixelCoords (false);
	glUseProgram(0);
}
Exemple #10
0
bool scaleSprite (sprite & single, const spritePalette & fontPal, onScreenPerson * thisPerson, bool mirror) {

	float x = thisPerson->x;
	float y = thisPerson->y;

	float scale = thisPerson-> scale;
	bool light = ! (thisPerson->extra & EXTRA_NOLITE);

	if (scale <= 0.05) return false;

	float tx1 = (float)(single.tex_x) / fontPal.tex_w[single.texNum];
	float ty1 = (float) 1.0/fontPal.tex_h[single.texNum];
	float tx2 = (float)(single.tex_x + single.width) / fontPal.tex_w[single.texNum];
	float ty2 = (float)(single.height+1)/fontPal.tex_h[single.texNum];

	int diffX = (int)(((float)single.width) * scale);
	int diffY = (int)(((float)single.height) * scale);

	GLfloat x1, y1, x2, y2;

	if (thisPerson -> extra & EXTRA_FIXTOSCREEN) {
		x = x / cameraZoom;
		y = y / cameraZoom;
		if (single.xhot < 0)
			x1 = x - (int)((mirror ? (float) (single.width - single.xhot) : (float)(single.xhot+1) ) * scale/cameraZoom);
		else
			x1 = x - (int)((mirror ? (float) (single.width - (single.xhot+1)) : (float)single.xhot ) * scale / cameraZoom);
		y1 = y - (int)((single.yhot - thisPerson->floaty) * scale / cameraZoom);
		x2 = x1 + (int)(diffX / cameraZoom);
		y2 = y1 + (int)(diffY / cameraZoom);
	} else {
		x -= cameraX;
		y -= cameraY;
		if (single.xhot < 0)
			x1 = x - (int)((mirror ? (float) (single.width - single.xhot) : (float)(single.xhot+1) ) * scale);
		else
			x1 = x - (int)((mirror ? (float) (single.width - (single.xhot+1)) : (float)single.xhot ) * scale);
		y1 = y - (int)((single.yhot - thisPerson->floaty) * scale);
		x2 = x1 + diffX;
		y2 = y1 + diffY;
	}

	GLfloat z;

	if ((! (thisPerson->extra & EXTRA_NOZB)) && zBuffer.numPanels) {
		int i;
		for (i = 1; i<zBuffer.numPanels; i++) {
			if (zBuffer.panel[i] >= y + cameraY) {
				i--;
				break;
			}
		}
		z = 0.999 - (double) i * (1.0 / 128.0);
	} else {
		z = -0.5;
	}

	float ltx1, ltx2, lty1, lty2;
	if (! NPOT_textures) {
		ltx1 = lightMap.texW * (x1+cameraX) / sceneWidth;
		ltx2 = lightMap.texW * (x2+cameraX) / sceneWidth;
		lty1 = lightMap.texH * (y1+cameraY) / sceneHeight;
		lty2 = lightMap.texH * (y2+cameraY) / sceneHeight;
	} else {
		ltx1 = (float) (x1+cameraX) / sceneWidth;
		ltx2 = (float) (x2+cameraX) / sceneWidth;
		lty1 = (float) (y1+cameraY) / sceneHeight;
		lty2 = (float) (y2+cameraY) / sceneHeight;
	}

	const GLfloat ltexCoords[] = { 
		ltx1, lty1,
		ltx2, lty1,
		ltx1, lty2,
		ltx2, lty2
	}; 

	if (light && lightMap.data) {
		if (lightMapMode == LIGHTMAPMODE_HOTSPOT) {
			int lx=(int)(x+cameraX);
			int ly=(int)(y+cameraY);

			if (lx<0) lx = 0;
			else if (lx>=sceneWidth) lx = sceneWidth-1;
			if (ly<0) ly = 0;
			else if (ly>=sceneHeight) ly = sceneHeight-1;

			GLubyte *target;
			if (! NPOT_textures) {
				target = lightMap.data + (ly*getNextPOT(sceneWidth) + lx)*4;
			} else {
				target = lightMap.data + (ly*sceneWidth + lx)*4;
			}
			curLight[0] = target[0];
			curLight[1] = target[1];
			curLight[2] = target[2];
		} else if (lightMapMode == LIGHTMAPMODE_PIXEL) {
			curLight[0] = curLight[1] = curLight[2] = 255;
			glActiveTexture(GL_TEXTURE1);
			glBindTexture (GL_TEXTURE_2D, lightMap.name);
			glActiveTexture(GL_TEXTURE0);
		}
	} else {
		curLight[0] = curLight[1] = curLight[2] = 255;
	}

	if (! (thisPerson->extra & EXTRA_RECTANGULAR))
		checkColourChange (true);

	setDrawMode (thisPerson);

	glBindTexture (GL_TEXTURE_2D, fontPal.tex_names[single.texNum]);

	glEnable(GL_BLEND);

	glUseProgram(shader.smartScaler);
	GLuint uniform = glGetUniformLocation(shader.smartScaler, "useLightTexture");
	if (uniform >= 0) glUniform1i(uniform, light && lightMapMode == LIGHTMAPMODE_PIXEL && lightMap.data);

	setPMVMatrix(shader.smartScaler);

	if (gameSettings.antiAlias == 1) {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 1);
	} else {
		glUniform1i(glGetUniformLocation(shader.smartScaler, "antialias"), 0);
	}

	const GLfloat vertices[] = { 
		x1, y1, z, 
		x2, y1, z, 
		x1, y2, z,
		x2, y2, z
	};

	if (! mirror) {
		GLfloat tx3 = tx1;
		tx1 = tx2;
		tx2 = tx3;
	}
	const GLfloat texCoords[] = { 
		tx2, ty1,
		tx1, ty1,
		tx2, ty2,
		tx1, ty2
	}; 

	drawQuad(shader.smartScaler, vertices, 2, texCoords, ltexCoords);

	glDisable(GL_BLEND);
	glUseProgram(0);

	if (light && lightMapMode == LIGHTMAPMODE_PIXEL) {
		glActiveTexture(GL_TEXTURE1);
		glActiveTexture(GL_TEXTURE0);
	}
	setSecondaryColor(0., 0., 0.,1.);
	//glDisable(GL_COLOR_SUM); FIXME: replace line?

	// Are we pointing at the sprite?
	if (input.mouseX >= x1 && input.mouseX <= x2 && input.mouseY >= y1 && input.mouseY <= y2) {
		if (thisPerson->extra & EXTRA_RECTANGULAR) return true;
		return checkColourChange (false);
	}
	return false;
}
Exemple #11
0
void burnSpriteToBackDrop (int x1, int y1, sprite & single, const spritePalette & fontPal) {

	float tx1 = (float)(single.tex_x - 0.5) / fontPal.tex_w[single.texNum];
	float ty1 = 0.0;
	float tx2 = (float)(single.tex_x + single.width + 0.5) / fontPal.tex_w[single.texNum];
	float ty2 = (float)(single.height+2)/fontPal.tex_h[single.texNum];

	const GLfloat spriteTexCoords[] = { 
		tx1, ty1,
		tx2, ty1,
		tx1, ty2,
		tx2, ty2
	}; 

	x1 -= single.xhot;
	y1 -= single.yhot-1;

	float bx1 = (float)x1*backdropTexW/sceneWidth;
	float by1 = (float)y1*backdropTexH/sceneHeight;
	float bx2 = (float)(x1+single.width-1)*backdropTexW/sceneWidth;
	float by2 = (float)(y1+single.height-1)*backdropTexH/sceneHeight;

	const GLfloat backdropTexCoords[] = { 
		bx1, by1,
		bx2, by1,
		bx1, by2,
		bx2, by2
	};

	const GLfloat backdropTexCoords2[] = { 
		0.0f, 0.0f,
		backdropTexW, 0.0f,
		0.0f, backdropTexH,
		backdropTexW, backdropTexH
	}; 

	int diffX = single.width+1;
	int diffY = single.height+2;

	if (x1 < 0) diffX += x1;
	if (y1 < 0) diffY += y1;
	if (x1 + diffX > sceneWidth) diffX = sceneWidth - x1;
	if (y1 + diffY > sceneHeight) diffY = sceneHeight - y1;
	if (diffX < 0) return;
	if (diffY < 0) return;

	setPixelCoords (true);
	setPrimaryColor(currentBurnR/255.f, currentBurnG/255.f, currentBurnB/255.f, 1.0f);

	GLfloat xoffset = 0.0f;
	while (xoffset < diffX) {
		int w = (diffX-xoffset < viewportWidth) ? diffX-xoffset : viewportWidth;

		GLfloat yoffset = 0.0f;
		while (yoffset < diffY) {
			int h = (diffY-yoffset < viewportHeight) ? diffY-yoffset : viewportHeight;

			const GLfloat backdropVertices[] = { 
				-x1-xoffset, -y1+yoffset, 0.0f, 
				sceneWidth-1.0f-x1-xoffset, -y1+yoffset, 0.0f, 
				-x1-xoffset, sceneHeight-1.0f-y1+yoffset, 0.0f,
				sceneWidth-1.0f-x1-xoffset, sceneHeight-1.0f-y1+yoffset, 0.0f
			};

			const GLfloat spriteVertices[] = { 
				-xoffset, -yoffset, 0.0f, 
				single.width-1-xoffset, -yoffset, 0.0f, 
				-xoffset, single.height-1-yoffset, 0.0f,
				single.width-1-xoffset, single.height-1-yoffset, 0.0f
			};

			glBindTexture (GL_TEXTURE_2D, backdropTextureName);
			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);

			drawQuad(shader.texture, backdropVertices, 1, backdropTexCoords2);

			glActiveTexture(GL_TEXTURE2);
			glBindTexture (GL_TEXTURE_2D, backdropTextureName);
			glActiveTexture(GL_TEXTURE0);

			glUseProgram(shader.paste);
			GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
			if (uniform >= 0) glUniform1i(uniform, 0); // No lighting

			setPMVMatrix(shader.paste);

			glBindTexture (GL_TEXTURE_2D, fontPal.burnTex_names[single.texNum]);

//FIXME: Test this some more. Also pasting the backdrop again is not strictly necessary but allows using the paste shader.
			drawQuad(shader.paste, spriteVertices, 3, spriteTexCoords, NULL,  backdropTexCoords);

			glUseProgram(0);

			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, (x1<0) ? xoffset : x1+xoffset, (y1<0) ? yoffset: y1+yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);

			yoffset += viewportHeight;
		}
		xoffset += viewportWidth;
	}
	setPixelCoords (false);
}
Exemple #12
0
void pasteSpriteToBackDrop (int x1, int y1, sprite & single, const spritePalette & fontPal) {

	float tx1 = (float)(single.tex_x) / fontPal.tex_w[single.texNum];
	float ty1 = 0.0;
	float tx2 = (float)(single.tex_x + single.width) / fontPal.tex_w[single.texNum];
	float ty2 = (float)(single.height)/fontPal.tex_h[single.texNum];

	float btx1;
	float btx2;
	float bty1;
	float bty2;

	int diffX = single.width;
	int diffY = single.height;

	x1 -= single.xhot;
	y1 -= single.yhot;

	if (! NPOT_textures) {
		btx1 = backdropTexW * x1 / sceneWidth;
		btx2 = backdropTexW * (x1+single.width) / sceneWidth;
		bty1 = backdropTexH * y1 / sceneHeight;
		bty2 = backdropTexH * (y1+single.height) / sceneHeight;
	} else {
		btx1 = (float) x1 / sceneWidth;
		btx2 = (float) (x1+single.width) / sceneWidth;
		bty1 = (float) y1 / sceneHeight;
		bty2 = (float) (y1+single.height) / sceneHeight;
	}

	const GLfloat btexCoords[] = { 
		btx1, bty1,
		btx2, bty1,
		btx1, bty2,
		btx2, bty2
	}; 

	if (x1 < 0) diffX += x1;
	if (y1 < 0) diffY += y1;
	if (x1 + diffX > sceneWidth) diffX = sceneWidth - x1;
	if (y1 + diffY > sceneHeight) diffY = sceneHeight - y1;
	if (diffX < 0) return;
	if (diffY < 0) return;

	setPixelCoords (true);

	int xoffset = 0;
	while (xoffset < diffX) {
		int w = (diffX-xoffset < viewportWidth) ? diffX-xoffset : viewportWidth;

		int yoffset = 0;
		while (yoffset < diffY) {
			int h = (diffY-yoffset < viewportHeight) ? diffY-yoffset : viewportHeight;

			// Render the sprite to the backdrop
			// (using mulitexturing, so the backdrop is seen where alpha < 1.0)
			glActiveTexture(GL_TEXTURE2);
			glBindTexture (GL_TEXTURE_2D, backdropTextureName);
			glActiveTexture(GL_TEXTURE0);

			glUseProgram(shader.paste);
			GLint uniform = glGetUniformLocation(shader.paste, "useLightTexture");
			if (uniform >= 0) glUniform1i(uniform, 0); // No lighting

			setPMVMatrix(shader.paste);

			setPrimaryColor(fontPal.originalRed/255.f, fontPal.originalGreen/255.f, fontPal.originalBlue/255.f, 1.0f);
			glBindTexture (GL_TEXTURE_2D, fontPal.tex_names[single.texNum]);
			//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

			const GLfloat vertices[] = { 
				(GLfloat)-xoffset, (GLfloat)-yoffset, 0.,
				(GLfloat)single.width-xoffset, (GLfloat)-yoffset, 0.,
				(GLfloat)-xoffset, (GLfloat)single.height-yoffset, 0.,
				(GLfloat)single.width-xoffset, (GLfloat)single.height-yoffset, 0.
			};

			const GLfloat texCoords[] = { 
				tx1, ty1,
				tx2, ty1,
				tx1, ty2,
				tx2, ty2
			}; 

			drawQuad(shader.paste, vertices, 3, texCoords, NULL, btexCoords);

			// Copy Our ViewPort To The Texture
			glUseProgram(0);

			copyTexSubImage2D(GL_TEXTURE_2D, 0, (int) ((x1<0) ? xoffset: x1+xoffset), (int) ((y1<0) ? yoffset: y1+yoffset), (int) ((x1<0) ?viewportOffsetX-x1:viewportOffsetX), (int) ((y1<0) ?viewportOffsetY-y1:viewportOffsetY), w, h, backdropTextureName);

			yoffset += viewportHeight;
		}
		xoffset += viewportWidth;
	}
	setPixelCoords (false);
}
Exemple #13
0
void drawLine(int x1, int y1, int x2, int y2) {
	int x, y;
	bool backwards = false;
	
	if (x1 < 0)  x1 = 0;
	if (y1 < 0)  y1 = 0;
	if (x2 < 0)  x2 = 0;
	if (y2 < 0)  y2 = 0;
	if (x1 > sceneWidth) x1 = sceneWidth - 1;
	if (x2 > sceneWidth) x2 = sceneWidth - 1;
	if (y1 > sceneHeight) y1 = sceneHeight - 1;
	if (y2 > sceneHeight) y2 = sceneHeight - 1;

	if (x1 > x2) {
		x = x2; 
		backwards = !backwards;
	} else x = x1;
		
	if (y1 > y2) {
		y = y2; 
		backwards = !backwards;
	} else y = y1;	
	
	int diffX = abs(x2-x1);
	int diffY = abs(y2-y1);	
	
	if (! diffX) {
		diffX = 1;
		if (x == sceneWidth - 1) x = sceneWidth -2;
	}
	if (! diffY) {
		diffY = 1;
		if (y == sceneHeight - 1) y = sceneHeight -2;
	}
	
	setPixelCoords (true);
	
	glLineWidth (2.0);
	
	int xoffset = 0;
	while (xoffset < diffX) {
		int w = (diffX-xoffset < viewportWidth) ? diffX-xoffset : viewportWidth;
		
		int yoffset = 0;
		while (yoffset < diffY) {
			int h = (diffY-yoffset < viewportHeight) ? diffY-yoffset : viewportHeight;
			
			// Render the scene - first the old backdrop
			glBindTexture (GL_TEXTURE_2D, backdropTextureName);
			//glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

			const GLfloat vertices[] = { 
				(GLfloat)-x-xoffset, (GLfloat)1-y-yoffset, 0., 
				(GLfloat)sceneWidth-x-xoffset, (GLfloat)1-y-yoffset, 0., 
				(GLfloat)-x-xoffset, (GLfloat)sceneHeight-y-yoffset, 0.,
				(GLfloat)sceneWidth-x-xoffset, (GLfloat)sceneHeight-y-yoffset, 0.
			};

			const GLfloat texCoords[] = { 
				0.0f, 0.0f,
				backdropTexW, 0.0f,
				0.0f, backdropTexH,
				backdropTexW, backdropTexH
			}; 

			glUseProgram(shader.texture);
			setPMVMatrix(shader.texture);
			drawQuad(shader.texture, vertices, 1, texCoords);
			
			// Then the line
			//FIXME:Removing the lines doesn't work, but also didn't work properly before.

			GLint xo1=-xoffset, xo2=-xoffset;
			if (! backwards) {
				xo2 += diffX;
			} else {
				xo1 += diffX;
			}
			const GLint lineVertices[] = { 
				xo1, -yoffset, 0, 
				xo2, -yoffset+diffY, 0, 
			};

			glUseProgram(shader.color);
			setPMVMatrix(shader.color);
			glUniform4f(glGetUniformLocation(shader.color, "myColor"), 0.0f, 0.0f, 0.0f, 1.0f);

			int vertexLoc = glGetAttribLocation(shader.color, "myVertex");
			glEnableVertexAttribArray(vertexLoc);
			glVertexAttribPointer(vertexLoc, 3, GL_INT, GL_FALSE, 0, lineVertices);
			glDrawArrays(GL_LINES, 0, 2);
			glDisableVertexAttribArray(vertexLoc);

			glUseProgram(0);
	
			// Copy Our ViewPort To The Texture
			copyTexSubImage2D(GL_TEXTURE_2D, 0, x+xoffset, y+yoffset, viewportOffsetX, viewportOffsetY, w, h, backdropTextureName);
			
			yoffset += viewportHeight;
		}		
		xoffset += viewportWidth;
	}
	setPixelCoords (false);	
}