diff options
Diffstat (limited to 'src/engine/client/gfx.cpp')
| -rw-r--r-- | src/engine/client/gfx.cpp | 910 |
1 files changed, 0 insertions, 910 deletions
diff --git a/src/engine/client/gfx.cpp b/src/engine/client/gfx.cpp deleted file mode 100644 index 6a096139..00000000 --- a/src/engine/client/gfx.cpp +++ /dev/null @@ -1,910 +0,0 @@ -#include <baselib/opengl.h> -#include <baselib/math.h> -#include <baselib/vmath.h> -#include <baselib/stream/file.h> - -#include <engine/interface.h> - -#include "pnglite/pnglite.h" - -#include <string.h> -#include <stdio.h> - -#include <engine/config.h> - - -using namespace baselib; - -static opengl::context context; - -struct custom_vertex -{ - vec3 pos; - vec2 tex; - vec4 color; -}; - -const int vertex_buffer_size = 32*1024; -static custom_vertex *vertices = 0; -static int num_vertices = 0; -static vec4 color[4]; -static vec2 texture[4]; - -static int do_screenshot = 0; - -static opengl::vertex_buffer vertex_buffer; -static int screen_width = -1; -static int screen_height = -1; -static float rotation = 0; -static int quads_drawing = 0; - -static float screen_x0 = 0; -static float screen_y0 = 0; -static float screen_x1 = 0; -static float screen_y1 = 0; - -struct texture_holder -{ - opengl::texture tex; - int memsize; - int flags; - int next; -}; - -static const int MAX_TEXTURES = 128; - -static texture_holder textures[MAX_TEXTURES]; -static int first_free_texture; -static int memory_usage = 0; - -static const unsigned char null_texture_data[] = { - 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0x00,0xff,0x00,0xff, 0x00,0xff,0x00,0xff, - 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0x00,0xff,0x00,0xff, 0x00,0xff,0x00,0xff, - 0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff, 0xff,0xff,0x00,0xff, 0xff,0xff,0x00,0xff, - 0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff, 0xff,0xff,0x00,0xff, 0xff,0xff,0x00,0xff, -}; - -static void draw_quad(bool _bflush = false) -{ - if (!_bflush && ((num_vertices + 4) < vertex_buffer_size)) - { - // Just add - num_vertices += 4; - } - else if (num_vertices) - { - if (!_bflush) - num_vertices += 4; - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - /* - if(GLEW_ARB_vertex_buffer_object) - { - // set the data - vertex_buffer.data(vertices, num_vertices * sizeof(custom_vertex), GL_DYNAMIC_DRAW); - opengl::stream_vertex(&vertex_buffer, 3, GL_FLOAT, sizeof(custom_vertex), 0); - opengl::stream_texcoord(&vertex_buffer, 0, 2, GL_FLOAT, - sizeof(custom_vertex), - sizeof(vec3)); - opengl::stream_color(&vertex_buffer, 4, GL_FLOAT, - sizeof(custom_vertex), - sizeof(vec3)+sizeof(vec2)); - - //glDrawElements(GL_TRIANGLES, num_vertices, GL_UNSIGNED_SHORT, indecies); - opengl::draw_arrays(GL_QUADS, 0, num_vertices); - } - else - {*/ - glVertexPointer(3, GL_FLOAT, - sizeof(custom_vertex), - (char*)vertices); - glTexCoordPointer(2, GL_FLOAT, - sizeof(custom_vertex), - (char*)vertices + sizeof(vec3)); - glColorPointer(4, GL_FLOAT, - sizeof(custom_vertex), - (char*)vertices + sizeof(vec3) + sizeof(vec2)); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - glEnableClientState(GL_COLOR_ARRAY); - glDrawArrays(GL_QUADS, 0, num_vertices); - - // Reset pointer - num_vertices = 0; - } -} - -bool gfx_init() -{ - screen_width = config.gfx_screen_width; - screen_height = config.gfx_screen_height; - - if(config.stress) - { - screen_width = 320; - screen_height = 240; - } - - if(config.gfx_fullscreen) - { - if(!context.create(screen_width, screen_height, 24, 0, 0, 0, opengl::context::FLAG_FULLSCREEN)) - { - dbg_msg("game", "failed to create gl context"); - return false; - } - } - else - { - if(!context.create(screen_width, screen_height, 0, 0, 0, 0, 0)) - { - dbg_msg("game", "failed to create gl context"); - return false; - } - } - - context.set_title("Teewars"); - - // We don't want to see the window when we run the stress testing - if(config.stress) - context.iconify(); - - // Init vertices - if (vertices) - mem_free(vertices); - vertices = (custom_vertex*)mem_alloc(sizeof(custom_vertex) * vertex_buffer_size, 1); - num_vertices = 0; - - - /* - dbg_msg("gfx", "OpenGL version %d.%d.%d", context.version_major(), - context.version_minor(), - context.version_rev());*/ - - gfx_mapscreen(0,0,config.gfx_screen_width, config.gfx_screen_height); - - // TODO: make wrappers for this - glEnable(GL_BLEND); - - // model - mat4 mat = mat4::identity; - opengl::matrix_modelview(&mat); - - // Set all z to -5.0f - for (int i = 0; i < vertex_buffer_size; i++) - vertices[i].pos.z = -5.0f; - -/* - if(GLEW_ARB_vertex_buffer_object) - { - // set the streams - vertex_buffer.data(vertices, sizeof(vertex_buffer_size), GL_DYNAMIC_DRAW); - opengl::stream_vertex(&vertex_buffer, 3, GL_FLOAT, sizeof(custom_vertex), 0); - opengl::stream_texcoord(&vertex_buffer, 0, 2, GL_FLOAT, - sizeof(custom_vertex), - sizeof(vec3)); - opengl::stream_color(&vertex_buffer, 4, GL_FLOAT, - sizeof(custom_vertex), - sizeof(vec3)+sizeof(vec2)); - }*/ - - // init textures - first_free_texture = 0; - for(int i = 0; i < MAX_TEXTURES; i++) - textures[i].next = i+1; - textures[MAX_TEXTURES-1].next = -1; - - // init indecies - /* - for(int i = 0; i < vertex_buffer_size; i++) - { - indecies[i*6 + 0] = i+0; - indecies[i*6 + 1] = i+1; - indecies[i*6 + 2] = i+2; - - indecies[i*6 + 3] = i+1; - indecies[i*6 + 4] = i+3; - indecies[i*6 + 5] = i+2; - }*/ - - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - // create null texture, will get id=0 - gfx_load_texture_raw(4,4,IMG_RGBA,null_texture_data); - - // set vsync as needed - gfx_set_vsync(config.gfx_vsync); - - return true; -} - - -int gfx_window_active() -{ - return context.active()?1:0; -} - - -video_mode fakemodes[] = { - {320,240,8,8,8}, {400,300,8,8,8}, {640,480,8,8,8}, - {720,400,8,8,8}, {768,576,8,8,8}, {800,600,8,8,8}, - {1024,600,8,8,8}, {1024,768,8,8,8}, {1152,864,8,8,8}, - {1280,768,8,8,8}, {1280,800,8,8,8}, {1280,960,8,8,8}, - {1280,1024,8,8,8}, {1368,768,8,8,8}, {1400,1050,8,8,8}, - {1440,900,8,8,8}, {1440,1050,8,8,8}, {1600,1000,8,8,8}, - {1600,1200,8,8,8}, {1680,1050,8,8,8}, {1792,1344,8,8,8}, - {1800,1440,8,8,8}, {1856,1392,8,8,8}, {1920,1080,8,8,8}, - {1920,1200,8,8,8}, {1920,1440,8,8,8}, {1920,2400,8,8,8}, - {2048,1536,8,8,8}, - - {320,240,5,6,5}, {400,300,5,6,5}, {640,480,5,6,5}, - {720,400,5,6,5}, {768,576,5,6,5}, {800,600,5,6,5}, - {1024,600,5,6,5}, {1024,768,5,6,5}, {1152,864,5,6,5}, - {1280,768,5,6,5}, {1280,800,5,6,5}, {1280,960,5,6,5}, - {1280,1024,5,6,5}, {1368,768,5,6,5}, {1400,1050,5,6,5}, - {1440,900,5,6,5}, {1440,1050,5,6,5}, {1600,1000,5,6,5}, - {1600,1200,5,6,5}, {1680,1050,5,6,5}, {1792,1344,5,6,5}, - {1800,1440,5,6,5}, {1856,1392,5,6,5}, {1920,1080,5,6,5}, - {1920,1200,5,6,5}, {1920,1440,5,6,5}, {1920,2400,5,6,5}, - {2048,1536,5,6,5} -}; - -int gfx_get_video_modes(video_mode *list, int maxcount) -{ - if(config.gfx_display_all_modes) - { - mem_copy(list, fakemodes, sizeof(fakemodes)); - return min((int)(sizeof(fakemodes)/sizeof(video_mode)), maxcount); - } - - return context.getvideomodes((opengl::videomode *)list, maxcount); -} - -void gfx_set_vsync(int val) -{ - context.set_vsync(val); -} - -int gfx_unload_texture(int index) -{ - textures[index].tex.clear(); - textures[index].next = first_free_texture; - memory_usage -= textures[index].memsize; - first_free_texture = index; - return 0; -} - -void gfx_blend_normal() -{ - // TODO: wrapper for this - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); -} - -void gfx_blend_additive() -{ - // TODO: wrapper for this - glBlendFunc(GL_SRC_ALPHA, GL_ONE); -} - -int gfx_memory_usage() { return memory_usage; } - -static unsigned char sample(int w, int h, const unsigned char *data, int u, int v, int offset) -{ - return (data[(v*w+u)*4+offset]+ - data[(v*w+u+1)*4+offset]+ - data[((v+1)*w+u)*4+offset]+ - data[((v+1)*w+u+1)*4+offset])/4; -} - -int gfx_load_texture_raw(int w, int h, int format, const void *data) -{ - bool mipmap = true; - - // grab texture - int tex = first_free_texture; - first_free_texture = textures[tex].next; - textures[tex].next = -1; - - // resample if needed - unsigned char *texdata = (unsigned char *)data; - unsigned char *tmpdata = 0; - if(config.gfx_texture_quality==0) - { - if(w > 16 && h > 16 && format == IMG_RGBA) - { - w/=2; - h/=2; - unsigned char *tmpdata = (unsigned char *)mem_alloc(w*h*4, 1); - int c = 0; - for(int y = 0; y < h; y++) - for(int x = 0; x < w; x++, c++) - { - tmpdata[c*4] = sample(w*2, h*2, texdata, x*2,y*2, 0); - tmpdata[c*4+1] = sample(w*2, h*2, texdata, x*2,y*2, 1); - tmpdata[c*4+2] = sample(w*2, h*2, texdata, x*2,y*2, 2); - tmpdata[c*4+3] = sample(w*2, h*2, texdata, x*2,y*2, 3); - } - texdata = tmpdata; - } - } - - if(config.debug) - dbg_msg("gfx", "%d = %dx%d", tex, w, h); - - // set data and return - if(config.gfx_texture_compression && GLEW_ARB_texture_compression) - { - if(format == IMG_RGB) - textures[tex].tex.data2d(w, h, GL_COMPRESSED_RGB_ARB, GL_RGB, GL_UNSIGNED_BYTE, texdata); - else if(format == IMG_RGBA) - textures[tex].tex.data2d(w, h, GL_COMPRESSED_RGBA_ARB, GL_RGBA, GL_UNSIGNED_BYTE, texdata); - } - else - { - if(format == IMG_RGB) - textures[tex].tex.data2d(w, h, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, texdata); - else if(format == IMG_RGBA) - textures[tex].tex.data2d(w, h, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, texdata); - } - - textures[tex].memsize = w*h*4; - if(mipmap) - { - while(w > 2 && h > 2) - { - w>>=1; - h>>=1; - textures[tex].memsize += w*h*4; - } - } - - memory_usage += textures[tex].memsize; - - mem_free(tmpdata); - - return tex; -} -/* -int gfx_load_mip_texture_raw(int w, int h, int format, const void *data) -{ - // grab texture - int tex = first_free_texture; - first_free_texture = textures[tex].next; - textures[tex].next = -1; - - // set data and return - // TODO: should be RGBA, not BGRA - dbg_msg("gfx", "%d = %dx%d", tex, w, h); - dbg_assert(format == IMG_RGBA, "not an RGBA image"); - - unsigned mip_w = w; - unsigned mip_h = h; - unsigned level = 0; - const unsigned char *ptr = (const unsigned char*)data; - while(mip_w > 0 && mip_h > 0) - { - dbg_msg("gfx mip", "%d = %dx%d", level, mip_w, mip_h); - textures[tex].tex.data2d_mip(mip_w, mip_h, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, level, ptr); - level++; - ptr = ptr + mip_w*mip_h*4; - mip_w = mip_w>>1; - mip_h = mip_h>>1; - } - return tex; -} -*/ -// simple uncompressed RGBA loaders -int gfx_load_texture(const char *filename) -{ - int l = strlen(filename); - if(l < 3) - return 0; - image_info img; - if(gfx_load_png(&img, filename)) - { - int id = gfx_load_texture_raw(img.width, img.height, img.format, img.data); - mem_free(img.data); - return id; - } - - return 0; -} - -int gfx_load_png(image_info *img, const char *filename) -{ - // open file for reading - png_init(0,0); - - png_t png; - if(png_open_file(&png, filename) != PNG_NO_ERROR) - { - dbg_msg("game/png", "failed to open file. filename='%s'", filename); - return 0; - } - - if(png.depth != 8 || (png.color_type != PNG_TRUECOLOR && png.color_type != PNG_TRUECOLOR_ALPHA)) - { - dbg_msg("game/png", "invalid format. filename='%s'", filename); - png_close_file(&png); - } - - unsigned char *buffer = (unsigned char *)mem_alloc(png.width * png.height * png.bpp, 1); - png_get_data(&png, buffer); - png_close_file(&png); - - img->width = png.width; - img->height = png.height; - if(png.color_type == PNG_TRUECOLOR) - img->format = IMG_RGB; - else if(png.color_type == PNG_TRUECOLOR_ALPHA) - img->format = IMG_RGBA; - img->data = buffer; - return 1; -} - -void gfx_shutdown() -{ - if (vertices) - mem_free(vertices); - context.destroy(); -} - -void gfx_screenshot() -{ - do_screenshot = 1; -} - -void gfx_swap() -{ - if(do_screenshot) - { - // fetch image data - int w = screen_width; - int h = screen_height; - unsigned char *pixel_data = (unsigned char *)mem_alloc(w*(h+1)*3, 1); - unsigned char *temp_row = pixel_data+w*h*3; - glReadPixels(0,0, w, h, GL_RGB, GL_UNSIGNED_BYTE, pixel_data); - - // flip the pixel because opengl works from bottom left corner - for(int y = 0; y < h/2; y++) - { - mem_copy(temp_row, pixel_data+y*w*3, w*3); - mem_copy(pixel_data+y*w*3, pixel_data+(h-y-1)*w*3, w*3); - mem_copy(pixel_data+(h-y-1)*w*3, temp_row,w*3); - } - - // find filename - char filename[64]; - { - static int index = 1; - for(; index < 1000; index++) - { - sprintf(filename, "screenshot%04d.png", index); - IOHANDLE io = io_open(filename, IOFLAG_READ); - if(io) - io_close(io); - else - break; - } - } - - // save png - png_t png; - png_open_file_write(&png, filename); - png_set_data(&png, w, h, 8, PNG_TRUECOLOR, (unsigned char *)pixel_data); - png_close_file(&png); - - // clean up - mem_free(pixel_data); - do_screenshot = 0; - } - - context.swap(); -} - -int gfx_screenwidth() -{ - return screen_width; -} - -int gfx_screenheight() -{ - return screen_height; -} - -void gfx_texture_set(int slot) -{ - dbg_assert(quads_drawing == 0, "called gfx_texture_set within quads_begin"); - if(slot == -1) - opengl::texture_disable(0); - else - opengl::texture_2d(0, &textures[slot].tex); -} - -void gfx_clear(float r, float g, float b) -{ - glClearColor(r,g,b,1.0f); - opengl::clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); -} - -void gfx_mapscreen(float tl_x, float tl_y, float br_x, float br_y) -{ - screen_x0 = tl_x; - screen_y0 = tl_y; - screen_x1 = br_x; - screen_y1 = br_y; - mat4 mat; - mat.ortho(tl_x, br_x, br_y, tl_y, 1.0f, 10.f); - opengl::matrix_projection(&mat); -} - -void gfx_getscreen(float *tl_x, float *tl_y, float *br_x, float *br_y) -{ - *tl_x = screen_x0; - *tl_y = screen_y0; - *br_x = screen_x1; - *br_y = screen_y1; -} - -void gfx_setoffset(float x, float y) -{ - //const float scale = 0.75f; - const float scale = 1.0f; - mat4 mat = mat4::identity; - mat.m[0] = scale; - mat.m[5] = scale; - mat.m[10] = scale; - mat.m[12] = x*scale; - mat.m[13] = y*scale; - opengl::matrix_modelview(&mat); -} - - - - -void gfx_quads_begin() -{ - dbg_assert(quads_drawing == 0, "called quads_begin twice"); - quads_drawing++; - - gfx_quads_setsubset(0,0,1,1); - gfx_quads_setrotation(0); - gfx_quads_setcolor(1,1,1,1); -} - -void gfx_quads_end() -{ - dbg_assert(quads_drawing == 1, "called quads_end without quads_begin"); - draw_quad(true); - quads_drawing--; -} - - -void gfx_quads_setrotation(float angle) -{ - dbg_assert(quads_drawing == 1, "called gfx_quads_setrotation without quads_begin"); - rotation = angle; -} - -void gfx_quads_setcolorvertex(int i, float r, float g, float b, float a) -{ - dbg_assert(quads_drawing == 1, "called gfx_quads_setcolorvertex without quads_begin"); - color[i].r = r; - color[i].g = g; - color[i].b = b; - color[i].a = a; -} - -void gfx_quads_setcolor(float r, float g, float b, float a) -{ - dbg_assert(quads_drawing == 1, "called gfx_quads_setcolor without quads_begin"); - color[0] = vec4(r,g,b,a); - color[1] = vec4(r,g,b,a); - color[2] = vec4(r,g,b,a); - color[3] = vec4(r,g,b,a); -} - -void gfx_quads_setsubset(float tl_u, float tl_v, float br_u, float br_v) -{ - dbg_assert(quads_drawing == 1, "called gfx_quads_setsubset without quads_begin"); - - texture[0].x = tl_u; - texture[0].y = tl_v; - //g_pVertices[g_iVertexEnd].tex.u = tl_u; - //g_pVertices[g_iVertexEnd].tex.v = tl_v; - - texture[1].x = br_u; - texture[1].y = tl_v; - //g_pVertices[g_iVertexEnd + 2].tex.u = br_u; - //g_pVertices[g_iVertexEnd + 2].tex.v = tl_v; - - texture[2].x = br_u; - texture[2].y = br_v; - //g_pVertices[g_iVertexEnd + 1].tex.u = tl_u; - //g_pVertices[g_iVertexEnd + 1].tex.v = br_v; - - texture[3].x = tl_u; - texture[3].y = br_v; - //g_pVertices[g_iVertexEnd + 3].tex.u = br_u; - //g_pVertices[g_iVertexEnd + 3].tex.v = br_v; -} - -static void rotate(vec3 ¢er, vec3 &point) -{ - vec3 p = point-center; - point.x = p.x * cosf(rotation) - p.y * sinf(rotation) + center.x; - point.y = p.x * sinf(rotation) + p.y * cosf(rotation) + center.y; -} - -void gfx_quads_draw(float x, float y, float w, float h) -{ - gfx_quads_drawTL(x-w/2, y-h/2,w,h); -} - -void gfx_quads_drawTL(float x, float y, float width, float height) -{ - dbg_assert(quads_drawing == 1, "called quads_draw without quads_begin"); - - vec3 center; - center.x = x + width/2; - center.y = y + height/2; - center.z = 0; - - vertices[num_vertices].pos.x = x; - vertices[num_vertices].pos.y = y; - vertices[num_vertices].tex.u = texture[0].x; - vertices[num_vertices].tex.v = texture[0].y; - vertices[num_vertices].color = color[0]; - rotate(center, vertices[num_vertices].pos); - - vertices[num_vertices + 1].pos.x = x+width; - vertices[num_vertices + 1].pos.y = y; - vertices[num_vertices + 1].tex.u = texture[1].x; - vertices[num_vertices + 1].tex.v = texture[1].y; - vertices[num_vertices + 1].color = color[1]; - rotate(center, vertices[num_vertices + 1].pos); - - vertices[num_vertices + 2].pos.x = x + width; - vertices[num_vertices + 2].pos.y = y+height; - vertices[num_vertices + 2].tex.u = texture[2].x; - vertices[num_vertices + 2].tex.v = texture[2].y; - vertices[num_vertices + 2].color = color[2]; - rotate(center, vertices[num_vertices + 2].pos); - - vertices[num_vertices + 3].pos.x = x; - vertices[num_vertices + 3].pos.y = y+height; - vertices[num_vertices + 3].tex.u = texture[3].x; - vertices[num_vertices + 3].tex.v = texture[3].y; - vertices[num_vertices + 3].color = color[3]; - rotate(center, vertices[num_vertices + 3].pos); - - draw_quad(); -} - -void gfx_quads_draw_freeform( - float x0, float y0, - float x1, float y1, - float x2, float y2, - float x3, float y3) -{ - dbg_assert(quads_drawing == 1, "called quads_draw_freeform without quads_begin"); - - vertices[num_vertices].pos.x = x0; - vertices[num_vertices].pos.y = y0; - vertices[num_vertices].tex.u = texture[0].x; - vertices[num_vertices].tex.v = texture[0].y; - vertices[num_vertices].color = color[0]; - - vertices[num_vertices + 1].pos.x = x1; - vertices[num_vertices + 1].pos.y = y1; - vertices[num_vertices + 1].tex.u = texture[1].x; - vertices[num_vertices + 1].tex.v = texture[1].y; - vertices[num_vertices + 1].color = color[1]; - - vertices[num_vertices + 2].pos.x = x3; - vertices[num_vertices + 2].pos.y = y3; - vertices[num_vertices + 2].tex.u = texture[2].x; - vertices[num_vertices + 2].tex.v = texture[2].y; - vertices[num_vertices + 2].color = color[2]; - - vertices[num_vertices + 3].pos.x = x2; - vertices[num_vertices + 3].pos.y = y2; - vertices[num_vertices + 3].tex.u = texture[3].x; - vertices[num_vertices + 3].tex.v = texture[3].y; - vertices[num_vertices + 3].color = color[3]; - - draw_quad(); -} - -void gfx_quads_text(float x, float y, float size, const char *text) -{ - gfx_quads_begin(); - float startx = x; - while(*text) - { - char c = *text; - text++; - - if(c == '\n') - { - x = startx; - y += size; - } - else - { - gfx_quads_setsubset( - (c%16)/16.0f, - (c/16)/16.0f, - (c%16)/16.0f+1.0f/16.0f, - (c/16)/16.0f+1.0f/16.0f); - - gfx_quads_drawTL(x,y,size,size); - x += size/2; - } - } - - gfx_quads_end(); -} - -struct pretty_font -{ - float m_CharStartTable[256]; - float m_CharEndTable[256]; - int font_texture; -}; - -pretty_font default_font = -{ -{ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0.421875, 0.359375, 0.265625, 0.25, 0.1875, 0.25, 0.4375, 0.390625, 0.390625, 0.34375, 0.28125, 0.421875, 0.390625, 0.4375, 0.203125, - 0.265625, 0.28125, 0.28125, 0.265625, 0.25, 0.28125, 0.28125, 0.265625, 0.28125, 0.265625, 0.4375, 0.421875, 0.3125, 0.28125, 0.3125, 0.3125, - 0.25, 0.234375, 0.28125, 0.265625, 0.265625, 0.296875, 0.3125, 0.25, 0.25, 0.421875, 0.28125, 0.265625, 0.328125, 0.171875, 0.234375, 0.25, - 0.28125, 0.234375, 0.265625, 0.265625, 0.28125, 0.265625, 0.234375, 0.09375, 0.234375, 0.234375, 0.265625, 0.390625, 0.203125, 0.390625, 0.296875, 0.28125, - 0.375, 0.3125, 0.3125, 0.3125, 0.296875, 0.3125, 0.359375, 0.296875, 0.3125, 0.4375, 0.390625, 0.328125, 0.4375, 0.203125, 0.3125, 0.296875, - 0.3125, 0.296875, 0.359375, 0.3125, 0.328125, 0.3125, 0.296875, 0.203125, 0.296875, 0.296875, 0.328125, 0.375, 0.421875, 0.375, 0.28125, 0.3125, - 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, - 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, - 0, 0.421875, 0.3125, 0.265625, 0.25, 0.25, 0.421875, 0.265625, 0.375, 0.21875, 0.375, 0.328125, 0.3125, 0, 0.21875, 0.28125, - 0.359375, 0.28125, 0.34375, 0.34375, 0.421875, 0.3125, 0.265625, 0.421875, 0.421875, 0.34375, 0.375, 0.328125, 0.125, 0.125, 0.125, 0.296875, - 0.234375, 0.234375, 0.234375, 0.234375, 0.234375, 0.234375, 0.109375, 0.265625, 0.296875, 0.296875, 0.296875, 0.296875, 0.375, 0.421875, 0.359375, 0.390625, - 0.21875, 0.234375, 0.25, 0.25, 0.25, 0.25, 0.25, 0.296875, 0.21875, 0.265625, 0.265625, 0.265625, 0.265625, 0.234375, 0.28125, 0.3125, - 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.1875, 0.3125, 0.3125, 0.3125, 0.3125, 0.3125, 0.375, 0.421875, 0.359375, 0.390625, - 0.3125, 0.3125, 0.296875, 0.296875, 0.296875, 0.296875, 0.296875, 0.28125, 0.28125, 0.3125, 0.3125, 0.3125, 0.3125, 0.296875, 0.3125, 0.296875, -}, -{ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0.2, 0.5625, 0.625, 0.71875, 0.734375, 0.796875, 0.765625, 0.546875, 0.59375, 0.59375, 0.65625, 0.703125, 0.546875, 0.59375, 0.5625, 0.6875, - 0.71875, 0.609375, 0.703125, 0.703125, 0.71875, 0.703125, 0.703125, 0.6875, 0.703125, 0.703125, 0.5625, 0.546875, 0.671875, 0.703125, 0.671875, 0.671875, - 0.734375, 0.75, 0.734375, 0.734375, 0.734375, 0.6875, 0.6875, 0.734375, 0.71875, 0.5625, 0.65625, 0.765625, 0.703125, 0.8125, 0.75, 0.734375, - 0.734375, 0.765625, 0.71875, 0.71875, 0.703125, 0.71875, 0.75, 0.890625, 0.75, 0.75, 0.71875, 0.59375, 0.6875, 0.59375, 0.6875, 0.703125, - 0.5625, 0.671875, 0.6875, 0.671875, 0.671875, 0.671875, 0.625, 0.671875, 0.671875, 0.5625, 0.546875, 0.703125, 0.5625, 0.78125, 0.671875, 0.671875, - 0.6875, 0.671875, 0.65625, 0.671875, 0.65625, 0.671875, 0.6875, 0.78125, 0.6875, 0.671875, 0.65625, 0.609375, 0.546875, 0.609375, 0.703125, 0.671875, - 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, - 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, - 0, 0.5625, 0.671875, 0.734375, 0.734375, 0.734375, 0.546875, 0.71875, 0.609375, 0.765625, 0.609375, 0.65625, 0.671875, 0, 0.765625, 0.703125, - 0.625, 0.703125, 0.640625, 0.640625, 0.609375, 0.671875, 0.703125, 0.546875, 0.5625, 0.578125, 0.609375, 0.65625, 0.859375, 0.859375, 0.859375, 0.671875, - 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.84375, 0.734375, 0.6875, 0.6875, 0.6875, 0.6875, 0.5625, 0.609375, 0.640625, 0.59375, - 0.734375, 0.75, 0.734375, 0.734375, 0.734375, 0.734375, 0.734375, 0.6875, 0.765625, 0.71875, 0.71875, 0.71875, 0.71875, 0.75, 0.734375, 0.6875, - 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.796875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.5625, 0.609375, 0.625, 0.59375, - 0.6875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.703125, 0.703125, 0.671875, 0.671875, 0.671875, 0.671875, 0.671875, 0.6875, 0.671875, -}, -0 -}; - -double extra_kerning[256*256] = {0}; - -pretty_font *current_font = &default_font; - -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++; - } -} - -float gfx_pretty_text_raw(float x, float y, float size, const char *text_, int length) -{ - const unsigned char *text = (unsigned char *)text_; - const float spacing = 0.05f; - gfx_texture_set(current_font->font_texture); - gfx_quads_begin(); - - if(length < 0) - length = strlen(text_); - - while(length) - { - const int c = *text; - text++; - - const float width = current_font->m_CharEndTable[c] - current_font->m_CharStartTable[c]; - - x -= size * current_font->m_CharStartTable[c]; - - gfx_quads_setsubset( - (c%16)/16.0f, // startx - (c/16)/16.0f, // starty - (c%16)/16.0f+1.0f/16.0f, // endx - (c/16)/16.0f+1.0f/16.0f); // endy - - gfx_quads_drawTL(x, y, size, size); - - double x_nudge = 0; - if(length > 1 && text[1]) - x_nudge = extra_kerning[text[0] + text[1] * 256]; - - x += (width + current_font->m_CharStartTable[c] + spacing + x_nudge) * size; - length--; - } - - gfx_quads_end(); - - return x; -} - -void gfx_pretty_text(float x, float y, float size, const char *text, int max_width) -{ - if(max_width == -1) - gfx_pretty_text_raw(x, y, size, text, -1); - else - { - float startx = x; - while(*text) - { - int wlen = word_length(text); - float w = gfx_pretty_text_width(size, text, wlen); - if(x+w-startx > max_width) - { - y += size-2; - x = startx; - } - - x = gfx_pretty_text_raw(x, y, size, text, wlen); - - text += wlen; - } - } -} - -float gfx_pretty_text_width(float size, const char *text_, int length) -{ - const float spacing = 0.05f; - float w = 0.0f; - const unsigned char *text = (unsigned char *)text_; - - const unsigned char *stop; - if (length == -1) - stop = text + strlen((char*)text); - else - stop = text + length; - - while (text < stop) - { - const int c = *text; - const float width = current_font->m_CharEndTable[c] - current_font->m_CharStartTable[c]; - - double x_nudge = 0; - if (text[1]) - x_nudge = extra_kerning[text[0] + text[1] * 256]; - - w += (width + spacing + x_nudge) * size; - - text++; - } - - return w; -} |