copied refactor to trunk

1 files changed, 0 insertions, 669 deletions

diff --git a/src/engine/client/ec_gfx_text.cpp b/src/engine/client/ec_gfx_text.cpp
deleted file mode 100644
index d17d1bed..00000000
--- a/src/engine/client/ec_gfx_text.cpp
+++ /dev/null
@@ -1,669 +0,0 @@
-#include <base/system.h>
-#include <string.h>
-#include <engine/e_client_interface.h>
-#include <engine/client/graphics.h>
-
-extern IEngineGraphics *Graphics();
-
-#ifdef CONF_PLATFORM_MACOSX
-	#include <OpenGL/gl.h>
-	#include <OpenGL/glu.h>
-#else
-	#include <GL/gl.h>
-	#include <GL/glu.h>
-#endif
-
-static int word_length(const char *text)
-{
-	int s = 1;
-	while(1)
-	{
-		if(*text == 0)
-			return s-1;
-		if(*text == '\n' || *text == '\t' || *text == ' ')
-			return s;
-		text++;
-		s++;
-	}
-}
-
-static float text_r=1;
-static float text_g=1;
-static float text_b=1;
-static float text_a=1;
-
-static struct FONT *default_font = 0;
-void gfx_text_set_default_font(struct FONT *font)
-{
-	default_font = font;
-}
-
-
-void gfx_text_set_cursor(TEXT_CURSOR *cursor, float x, float y, float font_size, int flags)
-{
-	mem_zero(cursor, sizeof(*cursor));
-	cursor->font_size = font_size;
-	cursor->start_x = x;
-	cursor->start_y = y;
-	cursor->x = x;
-	cursor->y = y;
-	cursor->line_count = 1;
-	cursor->line_width = -1;
-	cursor->flags = flags;
-	cursor->charcount = 0;
-}
-
-
-void gfx_text(void *font_set_v, float x, float y, float size, const char *text, int max_width)
-{
-	TEXT_CURSOR cursor;
-	gfx_text_set_cursor(&cursor, x, y, size, TEXTFLAG_RENDER);
-	cursor.line_width = max_width;
-	gfx_text_ex(&cursor, text, -1);
-}
-
-float gfx_text_width(void *font_set_v, float size, const char *text, int length)
-{
-	TEXT_CURSOR cursor;
-	gfx_text_set_cursor(&cursor, 0, 0, size, 0);
-	gfx_text_ex(&cursor, text, length);
-	return cursor.x;
-}
-
-void gfx_text_color(float r, float g, float b, float a)
-{
-	text_r = r;
-	text_g = g;
-	text_b = b;
-	text_a = a;
-}
-
-/* ft2 texture */
-#include <ft2build.h>
-#include FT_FREETYPE_H
-
-static FT_Library ft_library;
-
-#define MAX_CHARACTERS 64
-
-
-/* GL_LUMINANCE can be good for debugging*/
-static int font_texture_format = GL_ALPHA;
-
-
-static int font_sizes[] = {8,9,10,11,12,13,14,15,16,17,18,19,20,36};
-#define NUM_FONT_SIZES (sizeof(font_sizes)/sizeof(int))
-
-
-typedef struct FONTCHAR
-{
-	int id;
-	
-	/* these values are scaled to the font size */
-	/* width * font_size == real_size */
-	float width;
-	float height;
-	float offset_x;
-	float offset_y;
-	float advance_x;
-	
-	float uvs[4];
-	int64 touch_time;
-} FONTCHAR;
-
-typedef struct FONTSIZEDATA
-{
-	int font_size;
-	FT_Face *face;
-
-	unsigned textures[2];
-	int texture_width;
-	int texture_height;
-	
-	int num_x_chars;
-	int num_y_chars;
-	
-	int char_max_width;
-	int char_max_height;
-	
-	FONTCHAR characters[MAX_CHARACTERS*MAX_CHARACTERS];
-	
-	int current_character;	
-} FONTSIZEDATA;
-
-typedef struct FONT
-{
-	char filename[128];
-	FT_Face ft_face;
-	FONTSIZEDATA sizes[NUM_FONT_SIZES];
-} FONT;
-
-static int font_get_index(int pixelsize)
-{
-	for(unsigned i = 0; i < NUM_FONT_SIZES; i++)
-	{
-		if(font_sizes[i] >= pixelsize)
-			return i;
-	}
-	
-	return NUM_FONT_SIZES-1;
-}
-
-FONT *gfx_font_load(const char *filename)
-{
-	FONT *font = (FONT *)mem_alloc(sizeof(FONT), 1);
-	
-	mem_zero(font, sizeof(*font));
-	str_copy(font->filename, filename, sizeof(font->filename));
-	
-	if(FT_New_Face(ft_library, font->filename, 0, &font->ft_face))
-	{
-		mem_free(font);
-		return NULL;
-	}
-
-	for(unsigned i = 0; i < NUM_FONT_SIZES; i++)
-		font->sizes[i].font_size = -1;
-		
-	return font;
-};
-
-void gfx_font_destroy(FONT *font)
-{
-	mem_free(font);
-}
-
-void gfx_font_init()
-{
-	FT_Init_FreeType(&ft_library);
-}
-
-static void grow(unsigned char *in, unsigned char *out, int w, int h)
-{
-	int y, x;
-	for(y = 0; y < h; y++) 
-		for(x = 0; x < w; x++) 
-		{ 
-			int c = in[y*w+x]; 
-			int s_y, s_x;
-
-			for(s_y = -1; s_y <= 1; s_y++)
-				for(s_x = -1; s_x <= 1; s_x++)
-				{
-					int get_x = x+s_x;
-					int get_y = y+s_y;
-					if (get_x >= 0 && get_y >= 0 && get_x < w && get_y < h)
-					{
-						int index = get_y*w+get_x;
-						if(in[index] > c)
-							c = in[index]; 
-					}
-				}
-
-			out[y*w+x] = c;
-		}
-}
-
-static void font_init_texture(FONTSIZEDATA *sizedata, int charwidth, int charheight, int xchars, int ychars)
-{
-	static int font_memory_usage = 0;
-	int i;
-	int width = charwidth*xchars;
-	int height = charheight*ychars;
-	void *mem = mem_alloc(width*height, 1);
-	mem_zero(mem, width*height);
-	
-	if(sizedata->textures[0] == 0)
-		glGenTextures(2, sizedata->textures);
-	else
-		font_memory_usage -= sizedata->texture_width*sizedata->texture_height*2;
-	
-	sizedata->num_x_chars = xchars;
-	sizedata->num_y_chars = ychars;
-	sizedata->texture_width = width;
-	sizedata->texture_height = height;
-	sizedata->current_character = 0;
-	
-	for(i = 0; i < 2; i++)
-	{
-		glBindTexture(GL_TEXTURE_2D, sizedata->textures[i]);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-		glTexImage2D(GL_TEXTURE_2D, 0, font_texture_format, width, height, 0, font_texture_format, GL_UNSIGNED_BYTE, mem);
-		font_memory_usage += width*height;
-	}
-	
-	dbg_msg("", "font memory usage: %d", font_memory_usage);
-	
-	mem_free(mem);
-}
-
-static void font_increase_texture_size(FONTSIZEDATA *sizedata)
-{
-	if(sizedata->texture_width < sizedata->texture_height)
-		sizedata->num_x_chars <<= 1;
-	else
-		sizedata->num_y_chars <<= 1;
-	font_init_texture(sizedata, sizedata->char_max_width, sizedata->char_max_height, sizedata->num_x_chars, sizedata->num_y_chars);		
-}
-
-static void font_init_index(FONT *font, int index)
-{
-	int outline_thickness = 1;
-	FONTSIZEDATA *sizedata = &font->sizes[index];
-	
-	sizedata->font_size = font_sizes[index];
-	FT_Set_Pixel_Sizes(font->ft_face, 0, sizedata->font_size);
-	
-	if(sizedata->font_size >= 18)
-		outline_thickness = 2;
-		
-	{
-		unsigned glyph_index;
-		int charcode;
-		int max_h = 0;
-		int max_w = 0;
-		
-		charcode = FT_Get_First_Char(font->ft_face, &glyph_index);
-		while(glyph_index != 0)
-		{   
-			/* do stuff */
-			FT_Load_Glyph(font->ft_face, glyph_index, FT_LOAD_DEFAULT);
-			
-			if(font->ft_face->glyph->metrics.width > max_w) max_w = font->ft_face->glyph->metrics.width;
-			if(font->ft_face->glyph->metrics.height > max_h) max_h = font->ft_face->glyph->metrics.height;
-			charcode = FT_Get_Next_Char(font->ft_face, charcode, &glyph_index);
-		}
-		
-		max_w = (max_w>>6)+2+outline_thickness*2;
-		max_h = (max_h>>6)+2+outline_thickness*2;
-		
-		for(sizedata->char_max_width = 1; sizedata->char_max_width < max_w; sizedata->char_max_width <<= 1);
-		for(sizedata->char_max_height = 1; sizedata->char_max_height < max_h; sizedata->char_max_height <<= 1);
-	}
-	
-	//dbg_msg("font", "init size %d, texture size %d %d", font->sizes[index].font_size, w, h);
-	//FT_New_Face(ft_library, "data/fonts/vera.ttf", 0, &font->ft_face);
-	font_init_texture(sizedata, sizedata->char_max_width, sizedata->char_max_height, 8, 8);
-}
-
-static FONTSIZEDATA *font_get_size(FONT *font, int pixelsize)
-{
-	int index = font_get_index(pixelsize);
-	if(font->sizes[index].font_size != font_sizes[index])
-		font_init_index(font, index);
-	return &font->sizes[index];
-}
-
-
-static void font_upload_glyph(FONTSIZEDATA *sizedata, int texnum, int slot_id, int chr, const void *data)
-{
-	int x = (slot_id%sizedata->num_x_chars) * (sizedata->texture_width/sizedata->num_x_chars);
-	int y = (slot_id/sizedata->num_x_chars) * (sizedata->texture_height/sizedata->num_y_chars);
-	
-	glBindTexture(GL_TEXTURE_2D, sizedata->textures[texnum]);
-	glTexSubImage2D(GL_TEXTURE_2D, 0, x, y,
-		sizedata->texture_width/sizedata->num_x_chars,
-		sizedata->texture_height/sizedata->num_y_chars,
-		font_texture_format, GL_UNSIGNED_BYTE, data);
-}
-
-/* 8k of data used for rendering glyphs */
-static unsigned char glyphdata[(4096/64) * (4096/64)];
-static unsigned char glyphdata_outlined[(4096/64) * (4096/64)];
-
-static int font_get_slot(FONTSIZEDATA *sizedata)
-{
-	int char_count = sizedata->num_x_chars*sizedata->num_y_chars;
-	if(sizedata->current_character < char_count)
-	{
-		int i = sizedata->current_character;
-		sizedata->current_character++;
-		return i;
-	}
-
-	/* kick out the oldest */
-	/* TODO: remove this linear search */
-	{
-		int oldest = 0;
-		int i;
-		for(i = 1; i < char_count; i++)
-		{
-			if(sizedata->characters[i].touch_time < sizedata->characters[oldest].touch_time)
-				oldest = i;
-		}
-		
-		if(time_get()-sizedata->characters[oldest].touch_time < time_freq())
-		{
-			font_increase_texture_size(sizedata);
-			return font_get_slot(sizedata);
-		}
-		
-		return oldest;
-	}
-}
-
-static int font_render_glyph(FONT *font, FONTSIZEDATA *sizedata, int chr)
-{
-	FT_Bitmap *bitmap;
-	int slot_id = 0;
-	int slot_w = sizedata->texture_width / sizedata->num_x_chars;
-	int slot_h = sizedata->texture_height / sizedata->num_y_chars;
-	int slot_size = slot_w*slot_h;
-	int outline_thickness = 1;
-	int x = 1;
-	int y = 1;
-	int px, py;
-
-	FT_Set_Pixel_Sizes(font->ft_face, 0, sizedata->font_size);
-
-	if(FT_Load_Char(font->ft_face, chr, FT_LOAD_RENDER|FT_LOAD_NO_BITMAP))
-	{
-		dbg_msg("font", "error loading glyph %d", chr);
-		return -1;
-	}
-
-	bitmap = &font->ft_face->glyph->bitmap; 
-	
-	/* fetch slot */
-	slot_id = font_get_slot(sizedata);
-	if(slot_id < 0)
-		return -1;
-	
-	/* adjust spacing */
-	if(sizedata->font_size >= 18)
-		outline_thickness = 2;
-	x += outline_thickness;
-	y += outline_thickness;
-
-	/* prepare glyph data */
-	mem_zero(glyphdata, slot_size);
-
-	if(bitmap->pixel_mode == FT_PIXEL_MODE_GRAY)
-	{
-		for(py = 0; py < bitmap->rows; py++) 
-			for(px = 0; px < bitmap->width; px++) 
-				glyphdata[(py+y)*slot_w+px+x] = bitmap->buffer[py*bitmap->pitch+px];
-	}
-	else if(bitmap->pixel_mode == FT_PIXEL_MODE_MONO)
-	{
-		for(py = 0; py < bitmap->rows; py++) 
-			for(px = 0; px < bitmap->width; px++)
-			{
-				if(bitmap->buffer[py*bitmap->pitch+px/8]&(1<<(7-(px%8))))
-					glyphdata[(py+y)*slot_w+px+x] = 255;
-			}
-	}
-
-	if(0) for(py = 0; py < slot_w; py++) 
-		for(px = 0; px < slot_h; px++) 
-			glyphdata[py*slot_w+px] = 255;
-	
-	/* upload the glyph */
-	font_upload_glyph(sizedata, 0, slot_id, chr, glyphdata);
-	
-	if(outline_thickness == 1)
-	{
-		grow(glyphdata, glyphdata_outlined, slot_w, slot_h);
-		font_upload_glyph(sizedata, 1, slot_id, chr, glyphdata_outlined);
-	}
-	else
-	{
-		grow(glyphdata, glyphdata_outlined, slot_w, slot_h);
-		grow(glyphdata_outlined, glyphdata, slot_w, slot_h);
-		font_upload_glyph(sizedata, 1, slot_id, chr, glyphdata);
-	}
-	
-	/* set char info */
-	{
-		FONTCHAR *fontchr = &sizedata->characters[slot_id];
-		float scale = 1.0f/sizedata->font_size;
-		float uscale = 1.0f/sizedata->texture_width;
-		float vscale = 1.0f/sizedata->texture_height;
-		int height = bitmap->rows + outline_thickness*2 + 2;
-		int width = bitmap->width + outline_thickness*2 + 2;
-		
-		fontchr->id = chr;
-		fontchr->height = height * scale;
-		fontchr->width = width * scale;
-		fontchr->offset_x = (font->ft_face->glyph->bitmap_left-1) * scale;
-		fontchr->offset_y = (sizedata->font_size - font->ft_face->glyph->bitmap_top) * scale;
-		fontchr->advance_x = (font->ft_face->glyph->advance.x>>6) * scale;
-		
-		fontchr->uvs[0] = (slot_id%sizedata->num_x_chars) / (float)(sizedata->num_x_chars);
-		fontchr->uvs[1] = (slot_id/sizedata->num_x_chars) / (float)(sizedata->num_y_chars);
-		fontchr->uvs[2] = fontchr->uvs[0] + width*uscale;
-		fontchr->uvs[3] = fontchr->uvs[1] + height*vscale;
-	}
-	
-	return slot_id;
-}
-
-static FONTCHAR *font_get_char(FONT *font, FONTSIZEDATA *sizedata, int chr)
-{
-	FONTCHAR *fontchr = NULL;
-	
-	/* search for the character */
-	/* TODO: remove this linear search */
-	int i;
-	for(i = 0; i < sizedata->current_character; i++)
-	{
-		if(sizedata->characters[i].id == chr)
-		{
-			fontchr = &sizedata->characters[i];
-			break;
-		}
-	}
-	
-	/* check if we need to render the character */
-	if(!fontchr)
-	{
-		int index = font_render_glyph(font, sizedata, chr);
-		if(index >= 0)
-			fontchr = &sizedata->characters[index];
-	}
-	
-	/* touch the character */
-	/* TODO: don't call time_get here */
-	if(fontchr)
-		fontchr->touch_time = time_get();
-		
-	return fontchr;
-}
-
-/* must only be called from the rendering function as the font must be set to the correct size */
-static void font_render_setup(FONT *font, int size)
-{
-	FT_Set_Pixel_Sizes(font->ft_face, 0, size);
-}
-
-static float font_kerning(FONT *font, int left, int right)
-{
-	FT_Vector kerning = {0,0};
-	FT_Get_Kerning(font->ft_face, left, right, FT_KERNING_DEFAULT, &kerning);
-	return (kerning.x>>6);
-}
-
-
-void gfx_text_ex(TEXT_CURSOR *cursor, const char *text, int length)
-{
-	FONT *font = cursor->font;
-	FONTSIZEDATA *sizedata = NULL;
-
-	float screen_x0, screen_y0, screen_x1, screen_y1;
-	float fake_to_screen_x, fake_to_screen_y;
-	int actual_x, actual_y;
-
-	int actual_size;
-	int i;
-	int got_new_line = 0;
-	float draw_x, draw_y;
-	float cursor_x, cursor_y;
-	const char *end;
-
-	float size = cursor->font_size;
-
-	/* to correct coords, convert to screen coords, round, and convert back */
-	Graphics()->GetScreen(&screen_x0, &screen_y0, &screen_x1, &screen_y1);
-	
-	fake_to_screen_x = (Graphics()->ScreenWidth()/(screen_x1-screen_x0));
-	fake_to_screen_y = (Graphics()->ScreenHeight()/(screen_y1-screen_y0));
-	actual_x = cursor->x * fake_to_screen_x;
-	actual_y = cursor->y * fake_to_screen_y;
-
-	cursor_x = actual_x / fake_to_screen_x;
-	cursor_y = actual_y / fake_to_screen_y;
-
-	/* same with size */
-	actual_size = size * fake_to_screen_y;
-	size = actual_size / fake_to_screen_y;
-
-	/* fetch font data */
-	if(!font)
-		font = default_font;
-	
-	if(!font)
-		return;
-
-	sizedata = font_get_size(font, actual_size);
-	font_render_setup(font, actual_size);
-	
-	/* set length */
-	if(length < 0)
-		length = strlen(text);
-		
-	end = text + length;
-
-	/* if we don't want to render, we can just skip the first outline pass */
-	i = 1;
-	if(cursor->flags&TEXTFLAG_RENDER)
-		i = 0;
-
-	for(;i < 2; i++)
-	{
-		const char *current = (char *)text;
-		const char *end = current+length;
-		draw_x = cursor_x;
-		draw_y = cursor_y;
-
-		if(cursor->flags&TEXTFLAG_RENDER)
-		{
-			// TODO: Make this better
-			glEnable(GL_TEXTURE_2D);
-			if (i == 0)
-				glBindTexture(GL_TEXTURE_2D, sizedata->textures[1]);
-			else
-				glBindTexture(GL_TEXTURE_2D, sizedata->textures[0]);
-
-			Graphics()->QuadsBegin();
-			if (i == 0)
-				Graphics()->SetColor(0.0f, 0.0f, 0.0f, 0.3f*text_a);
-			else
-				Graphics()->SetColor(text_r, text_g, text_b, text_a);
-		}
-
-		while(current < end)
-		{
-			int new_line = 0;
-			const char *batch_end = end;
-			if(cursor->line_width > 0 && !(cursor->flags&TEXTFLAG_STOP_AT_END))
-			{
-				int wlen = word_length((char *)current);
-				TEXT_CURSOR compare = *cursor;
-				compare.x = draw_x;
-				compare.y = draw_y;
-				compare.flags &= ~TEXTFLAG_RENDER;
-				compare.line_width = -1;
-				gfx_text_ex(&compare, text, wlen);
-				
-				if(compare.x-draw_x > cursor->line_width)
-				{
-					/* word can't be fitted in one line, cut it */
-					TEXT_CURSOR cutter = *cursor;
-					cutter.charcount = 0;
-					cutter.x = draw_x;
-					cutter.y = draw_y;
-					cutter.flags &= ~TEXTFLAG_RENDER;
-					cutter.flags |= TEXTFLAG_STOP_AT_END;
-					
-					gfx_text_ex(&cutter, (const char *)current, wlen);
-					wlen = cutter.charcount;
-					new_line = 1;
-					
-					if(wlen <= 3) /* if we can't place 3 chars of the word on this line, take the next */
-						wlen = 0;
-				}
-				else if(compare.x-cursor->start_x > cursor->line_width)
-				{
-					new_line = 1;
-					wlen = 0;
-				}
-				
-				batch_end = current + wlen;
-			}
-			
-			while(current < batch_end)
-			{
-				const char *tmp;
-				float advance = 0;
-				int character = 0;
-				int nextcharacter = 0;
-				FONTCHAR *chr;
-
-				// TODO: UTF-8 decode
-				character = str_utf8_decode(&current);
-				tmp = current;
-				nextcharacter = str_utf8_decode(&tmp);
-				
-				if(character == '\n')
-				{
-					draw_x = cursor->start_x;
-					draw_y += size;
-					draw_x = (int)(draw_x * fake_to_screen_x) / fake_to_screen_x; /* realign */
-					draw_y = (int)(draw_y * fake_to_screen_y) / fake_to_screen_y;
-					continue;
-				}
-
-				chr = font_get_char(font, sizedata, character);
-
-				if(chr)
-				{
-					if(cursor->flags&TEXTFLAG_RENDER)
-					{
-						Graphics()->QuadsSetSubset(chr->uvs[0], chr->uvs[1], chr->uvs[2], chr->uvs[3]);
-						Graphics()->QuadsDrawTL(draw_x+chr->offset_x*size, draw_y+chr->offset_y*size, chr->width*size, chr->height*size);
-					}
-
-					advance = chr->advance_x + font_kerning(font, character, nextcharacter)/size;
-				}
-								
-				if(cursor->flags&TEXTFLAG_STOP_AT_END && draw_x+advance*size-cursor->start_x > cursor->line_width)
-				{
-					/* we hit the end of the line, no more to render or count */
-					current = end;
-					break;
-				}
-
-				draw_x += advance*size;
-				cursor->charcount++;
-			}
-			
-			if(new_line)
-			{
-				draw_x = cursor->start_x;
-				draw_y += size;
-				got_new_line = 1;
-				draw_x = (int)(draw_x * fake_to_screen_x) / fake_to_screen_x; /* realign */
-				draw_y = (int)(draw_y * fake_to_screen_y) / fake_to_screen_y;				
-			}
-		}
-
-		if(cursor->flags&TEXTFLAG_RENDER)
-			Graphics()->QuadsEnd();
-	}
-
-	cursor->x = draw_x;
-	
-	if(got_new_line)
-		cursor->y = draw_y;
-}