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main.cpp
1394 lines (1269 loc) · 33.4 KB
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main.cpp
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// main.cpp
/*
This file is part of L-Echo.
L-Echo 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 3 of the License, or
(at your option) any later version.
L-Echo 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 L-Echo. If not, see <http://www.gnu.org/licenses/>.
*/
//standard libraries
#include <cstdlib>
#include <cstring>
#include <cmath>
//most of the headers
#include "echo_platform.h"
#include "echo_xml.h"
#include "echo_debug.h"
#include "echo_error.h"
#include "echo_gfx.h"
#include "echo_math.h"
#include "echo_loader.h"
#include "echo_ns.h"
#include "echo_sys.h"
#include "echo_stage.h"
#include "echo_ingame_loader.h"
#include "echo_prefs.h"
#include "echo_char_joints.h"
//various grids
#include "hole.h"
#include "grid.h"
#include "escgrid.h"
#include "t_grid.h"
//for Windows, or something
#define _STDCALL_SUPPORTED
#ifdef ECHO_NDS
//basic nds stuff
#include <nds.h>
//the video stuff for opengl
#include <nds/arm9/video.h>
//to initialize FAT for file reading
#include <fat.h>
//aslib: Advanced Sound LIBrary, for mp3 and sfx playback
//#include <as_lib9.h>
//resources: the console font, topscreen display, and the menu
//#include "font.h"
#include "topscreen.h"
#include "menu.h"
//header of the counter
#define COUNTER_HEAD "goals: " //# of goals on next line
//number of files displayed by the in-game loader
#define NUM_FILES_DISPLAYED 22
//From LiraNuna =D
// Macro to translate 2D coord into 1D map array
#define POS2IDX(x, y) ((x) + ((y) * 32))
// Set of defines for tile flipping
#define TILE_FLIP_NONE (0<<10)
#define TILE_FLIP_X (1<<10)
#define TILE_FLIP_Y (2<<10)
#define TILE_FLIP_XY (TILE_FLIP_X | TILE_FLIP_Y)
// Macro for palette selecting
#define TILE_PALETTE(n) ((n)<<12)
#define CHAR2TILE(c) ((c) - 32)
/* Modes for the topscreen; debug mode is gone because it's in a split
* screen next to the info and load screens (for now)
*/
#define NDS_INFO_MODE -2
#define NDS_LOAD_MODE -1
#define NDS_START_MODE 0
//the range of the modes
#define NDS_MODE_MIN -2
#define NDS_MODE_MAX 0
//the background values for the vaious topscreen modes
//load and info both use the console (BG1)
#define LOAD_BG DISPLAY_BG0_ACTIVE
#define INFO_BG DISPLAY_BG0_ACTIVE
#define START_BG DISPLAY_BG3_ACTIVE
#else
#ifdef ECHO_PC
//opengl
#ifdef ECHO_OSX //OS X
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#endif
//used to attach the signal handler
#include <signal.h>
//for directory stuff
#include <libgen.h>
//Key code for keyboard
#define ESCAPE 27
#define ENTER 13
#elif ECHO_GCN || ECHO_WII
//using gl2gx to save code and time and pain and blood and suffering and...
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#endif
//format of the counter
#define COUNTER_HEAD "goals: %i" //# of goals appended
//number of files displayed by the in-game loader
#define NUM_FILES_DISPLAYED 31
//the number of frames the loader can scroll
#define LOAD_MAX 10.0f
//multiply by real_width to get the width of the loader screen
#define LOADER_WIDTH 1.5f
#endif
//status messages
#define MSG_READY "ready"
#define MSG_START "start"
#define MSG_PAUSE "thinking"
#define MSG_BLANK ""
//...yeah...
#define SUCCESS "success"
#define NO_GOALS "no goals"
//the number of frames the name of the stage fades out after starting (no fading in n-echo)
#define NAME_DISPLAY_MAX 30
//multiply by depth to get the row spacing of the text in the loader
#define FILE_SPACE_PER_DEPTH 0.06f
//the number of frames the status "start" fades out after starting
#define START_MAX 50
//rotational interval in degrees
#define ROTATE_ANG 5.0f
//--VARIABLES
#ifdef ECHO_NDS
//mode of the top screen (subscreen)
static int sub_mode = NDS_START_MODE;
//address of the "second console", used by the info and loader screens
//static u16* string_map = NULL;
static int controls_bg = -1;
static PrintConsole console, info;
//basic flags of the top screen
static const uint32 basic_modes = MODE_5_2D;
//the temp address of the counter (holds number of goals)
static char counter[32];
//what are the directional buttons? defaults to right-scheme
static int left_key = KEY_LEFT, right_key = KEY_RIGHT, up_key = KEY_UP, down_key = KEY_DOWN, b_key = KEY_B;
#else
#ifdef ECHO_PC
//ID of the window
static int window;
#endif
//the previous time "display" was called
static int prev_time = 0;
//is the loader toggled?; which frame is the loader in?
static int loading = 0, load_frame = 0;
//the temp address of the counter (holds number of goals)
static char* counter = NULL;
//was the counter allocated?
static int counter_alloc = 0;
//was this paused before the loader was toggled?
static int was_paused = 0;
#endif
//are we in menu mode or playing mode
static int menu_mode = 1;
//dimensions of window or screen (256x192 in NDS)
static int my_width = 0, my_height = 0;
//dimensions of viewing field (important to text)
static float real_width = 0, real_height = 0;
//depth; FILE_SPACE_PER_DEPTH * depth; dividend of character width = 150 / depth
static float depth = 0, file_space = 0, font_div = 0;
//on which file does the loader load?; what file is the top of the loader?
static int file_index = 0, file_start = 0;
//frame of the fading "start" status; frame of the fading name display
static int start_frame = 0, name_display = NAME_DISPLAY_MAX;
//the status message
static char* message = MSG_READY;
//cache of the name of the stage
static char* name_cache = NULL;
//did the dragging start already?; where did the dragging start?
static int touch_started = 0, start_x = 0, start_y = 0;
//the angle when the dragging started
static vector3f real_angle(0, 0, 0);
//the current directory
static echo_files* files = NULL;
//--METHODS
#ifdef ECHO_NDS
//controller
static void get_key();
//change the subscreen mode according to sub_mode
static void refresh_sub_mode();
//draw str at (x, y)
static void console2_draw_string(int x, int y, char* str);
//draw num characters (or until end of string) of str at (x, y)
static void console2_draw_string(int x, int y, char* str, int num);
//clear the screen
static void console2_clear();
//clear row y
static void console2_clear_row(int y);
//update console2 with the loader
static void update_loader();
//start info mode
static void toggle_info();
//update console2 with # of goals
static void update_num_goals();
//update console2 with status
static void update_char_state();
//tries to refresh the handedness
static void refresh_hand(echo_xml* doc);
#elif ECHO_PC
//mouse event, calls pressed or handles releases.
static void mouse(int button, int state, int x, int y);
//normal alphanumeric keys, such as p, l, a
static void key(unsigned char key, int x, int y);
//special keys esp. arrow keys
static void spec_key(int key, int x, int y);
//draw a string on screen
static int draw_string(float x, float y, const char *string);
static int draw_string(float x, float y, char *string);
//draw a file name (using size 12 font instead of size 12)
static int draw_fname_string(float x, float y, char *string);
//draw the status (twice as spaced out)
static int draw_message_string(float x, float y, char *string);
#endif
//mouse dragged
static void pointer(int x, int y);
//mouse pressed down
static void pressed(int x, int y);
//load the file
static void load(const char* fname);
//initialize
static void init(int argc, char **argv, int w, int h);
//resize the screen
static void resize(int w, int h);
//display the screen
static void display();
//directional control
static void up();
static void down();
static void left();
static void right();
//toggle pause
static void echo_pause();
//starts or pauses (the 'p' key on pc/mac/linux, shoulder button on nds)
static void start_or_pause();
static void main_deallocate();
static void signal_handler(int signal);
int main(int argc, char **argv)
{
atexit(main_deallocate);
#ifdef ECHO_NDS
srand(time(0));
//initialize the file system
fatInitDefault();
char* root = NULL;
if(echo_genroot(&root) == FAIL)
echo_error("Cannot allocate path string!");
//get the files
files = get_files(root);
//initialize the screens
init(argc, argv, 255, 191);
//*
ECHO_PRINT("trying to load prefs...\n");
echo_xml** doc = new(echo_xml*);
if(open_prefs(doc) == WIN)
{
ECHO_PRINT("loaded prefs...\n");
refresh_hand(*doc);
close_prefs(*doc);
}
else
ECHO_PRINT("couldn't load prefs!\n");
delete doc;
// */
//load the menu
load(NULL);
defaultExceptionHandler();
//infinite loop
while(1)
{
//get the key presses and touch screen, and refresh topscreen if in info or loader mode
get_key();
//otherwise the 3D will paint anyways, so don't paint over.
if(!menu_mode)
{
//display bottom screen
display();
//draw the image
glFlush(0);
}
//otherwise we won't sync
swiWaitForVBlank();
//for 30 fps, I need to skip a frame
swiWaitForVBlank();
}
#elif ECHO_PC
//fill lookup tables
init_math();
char* dir = NULL;
if(echo_execdir(&dir) == FAIL)
echo_error("couldn't get executable directory!!!\n");
files = get_files(dir);
//attach the signal handler
signal(SIGINT, signal_handler);
//if there is a cli argument
if(argc >= 2)
{
//if it is -h
if(!strcmp(argv[1], "-h"))
{
//print usage and exit gracefully
ECHO_PRINT("Usage: %s [-h | -t] [stage file name]\n", argv[0]);
ECHO_PRINT("\t-h\tprints this help message\n");
ECHO_PRINT("\t-t\tjust tests the stage file\n");
ECHO_PRINT("if no stage is specified, sample1.xml is loaded.\n");
std::exit(0);
}
//if it is -t
else if(!strcmp(argv[1], "-t"))
{
const stage* st = load_stage(argv[2]);
//test the file
if(st != NULL)
{
//ok
ECHO_PRINT("stage file OK\n");
delete st;
std::exit(0);
}
else
{
//no
ECHO_PRINT("stage file has errors...\n");
std::exit(1);
}
}
//else, just load the stage
else
load(argv[1]);
}
//else, open up with menu
else
{
load(NULL);
}
//initialize opengl
init(argc, argv, 640, 480);
//initialize prev time
prev_time = glutGet(GLUT_ELAPSED_TIME);
//start main loop
glutMainLoop();
#elif ECHO_GCN || ECHO_WII
//TODO: Wii/GCN port?
#endif
//never gonna reach here
return(1);
}
void main_deallocate()
{
ECHO_PRINT("main_deallocate: deallocating echo_ns\n");
echo_ns::deallocate();
ECHO_PRINT("main_deallocate: finished deallocating echo_ns\n");
#ifndef ECHO_NDS
if(counter_alloc == 1 && counter != NULL)
delete[] counter;
#endif
ECHO_PRINT("main_deallocate: deallocating files\n");
delete_echo_files(files);
ECHO_PRINT("main_deallocate: exiting...\n");
}
void signal_handler(int signal)
{
//we have already called atexit, so we don't need to call main_deallocate again
std::exit(signal);
}
#ifdef ECHO_NDS
void refresh_hand(echo_xml* doc)
{
HAND hand = RIGHT_HAND;
ECHO_PRINT("get hand started\n");
if(get_hand(doc, &hand) == WIN)
{
ECHO_PRINT("get hand ended\n");
if(hand == RIGHT_HAND)
{
ECHO_PRINT("right handed\n");
left_key = KEY_LEFT;
right_key = KEY_RIGHT;
up_key = KEY_UP;
down_key = KEY_DOWN;
b_key = KEY_B;
}
else
{
ECHO_PRINT("left handed\n");
left_key = KEY_Y;
right_key = KEY_A;
up_key = KEY_X;
down_key = KEY_B;
b_key = KEY_DOWN;
}
}
else
ECHO_PRINT("couldn't get handedness!\n");
}
#endif
static void load(const char* fname)
{
ECHO_PRINT("start of load\n");
stage* s = NULL;
if(fname != NULL)
{
ECHO_PRINT("before load_stage:%s,%s\n", files->current_dir, fname);
char* abs_path = echo_merge(files->current_dir, fname);
//load stage
ECHO_PRINT("starting load\n");
s = load_stage(abs_path);
delete[] abs_path;
ECHO_PRINT("after load_stage\n");
}
//if the stage file is bad (fname != NULL && s == NULL), fuhgeddaboutit!
if(s || !fname)
{
//if stage is valid
if(s)
{
//initialize to that stage
echo_ns::init(s);
#ifdef ECHO_NDS
//set menu off (though the 3d buffer seems to have priority anyways)
videoSetMode(MODE_5_3D);
#endif
//not in menu mode
menu_mode = 0;
//the distance to the farthest point plus 2.8 for good measure.
depth = echo_ns::current_stage->get_farthest() + 2.8f;
//so i don't have to call it all the time
name_cache = const_cast<char*>(echo_ns::current_stage->get_name()->c_str());
}
//if we want our menu
else
{
//init to null
echo_ns::init(NULL);
#ifdef ECHO_NDS
//display the menu
videoSetMode(MODE_5_3D | DISPLAY_BG3_ACTIVE);
#endif
//in menu mode
menu_mode = 1;
//the distance to the farthest point, but there is no points!
depth = 5;
name_cache = NULL;
}
//reset start and name frames
start_frame = 0;
name_display = NAME_DISPLAY_MAX;
//set status to ready
message = MSG_READY;
//set loader display variables
file_space = FILE_SPACE_PER_DEPTH * depth;
font_div = 150 / depth;
//resize, since we change the depth of the stage
resize(my_width, my_height);
}
}
#ifdef ECHO_NDS
//refresh the subscreen mode
static void refresh_sub_mode()
{
//if out of bounds, correct the mode.
if(sub_mode > NDS_MODE_MAX) sub_mode = NDS_MODE_MIN;
else if(sub_mode < NDS_MODE_MIN) sub_mode = NDS_MODE_MAX;
switch(sub_mode)
{
case NDS_LOAD_MODE: videoSetModeSub(MODE_5_2D | DISPLAY_BG1_ACTIVE); bgHide(controls_bg); update_loader(); break;
case NDS_INFO_MODE: videoSetModeSub(MODE_5_2D | DISPLAY_BG1_ACTIVE); bgHide(controls_bg); toggle_info(); break;
case NDS_START_MODE: videoSetModeSub(MODE_5_2D | DISPLAY_BG3_ACTIVE); bgShow(controls_bg); break;
default:
break;
}
}
#endif
static void init(int argc, char **argv, int w, int h)
{
#ifdef ECHO_NDS
//assign banks (H is use for ext. palette)
vramSetBankA(VRAM_A_MAIN_BG);
vramSetBankB(VRAM_B_MAIN_BG);
vramSetBankC(VRAM_C_SUB_BG);
vramSetBankD(VRAM_D_LCD);
vramSetBankE(VRAM_E_LCD);
vramSetBankF(VRAM_F_LCD);
vramSetBankG(VRAM_G_LCD);
vramSetBankH(VRAM_H_LCD);
vramSetBankI(VRAM_I_LCD);
//otherwise the topscreen would be the mainscreen
lcdSwap();
//Main Screen
//set mode
videoSetMode(MODE_5_3D | DISPLAY_BG3_ACTIVE);
//init
glInit();
//i heard it's not good for aa + outline, but going with it anyways...
glEnable(GL_ANTIALIAS);
//hardware-based outlining
glEnable(GL_OUTLINE);
//set outline colors for all groups
glSetOutlineColor(0, RGB15(0, 0, 0)); //unrolled loops ftw
glSetOutlineColor(1, RGB15(0, 0, 0));
glSetOutlineColor(2, RGB15(0, 0, 0));
glSetOutlineColor(3, RGB15(0, 0, 0));
glSetOutlineColor(4, RGB15(0, 0, 0));
glSetOutlineColor(5, RGB15(0, 0, 0));
glSetOutlineColor(6, RGB15(0, 0, 0));
glSetOutlineColor(7, RGB15(0, 0, 0));
glClearColor(31,31,31,31); //BG must be opaque for AA to work
glClearPolyID(63); //BG must have a unique polygon ID for AA to work
glClearDepth(0x7FFF);
// the menu
int menu_bg = bgInit(3, BgType_Bmp8, BgSize_B8_256x256, 5, 0);
dmaCopy(menuBitmap, bgGetGfxPtr(menu_bg), menuBitmapLen);
dmaCopy(menuPal, BG_PALETTE, menuPalLen);
bgSetPriority(menu_bg, 3);
//Sub Screen
videoSetModeSub(MODE_5_2D);
controls_bg = bgInitSub(3, BgType_Bmp8, BgSize_B8_256x256, 5, 0);
bgSetPriority(controls_bg, 3);
dmaCopy(topscreenBitmap, bgGetGfxPtr(controls_bg), topscreenBitmapLen);
dmaCopy(topscreenPal, BG_PALETTE_SUB, topscreenPalLen);
console = *consoleInit(NULL, 1, BgType_Text4bpp, BgSize_T_256x256, 31, 2, false);
info = *consoleInit(NULL, 1, BgType_Text4bpp, BgSize_T_256x256, 31, 0, false);
consoleSetWindow(&info, 16, 0, 16, 24);
consoleSetWindow(&console, 0, 0, 16, 24);
char *border =
"----------------"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"----------------";
consoleSelect(&info);
iprintf(border);
consoleSelect(&console);
iprintf(border);
consoleSetWindow(&info, 17, 1, 14, 22);
consoleSetWindow(&console, 1, 1, 14, 22);
refresh_sub_mode();
//make sure console works
ECHO_PRINT("console init\n");
//set height to local cache (even though it's always 256x192)
my_width = w;
my_height = h;
#elif ECHO_PC
//init
glutInit(&argc, argv);
//even thought no color is use, alpha is used for fading fonts and character guy
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA);
//init window
glutInitWindowSize(w, h);
glutInitWindowPosition(0, 0);
window = glutCreateWindow("L-Echo");
//assign handlers
glutDisplayFunc(&display);
glutIdleFunc(&display);
glutReshapeFunc(&resize);
glutKeyboardFunc(&key);
glutSpecialFunc(&spec_key);
glutMouseFunc(&mouse);
glutMotionFunc(&pointer);
//basic stuff
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
glClearDepth(1.0);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
//set our line
glEnable(GL_LINE_SMOOTH);
glLineWidth(2.5);
//blending for fading effects
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
resize(w, h);
#elif ECHO_GCN || ECHO_WII
//TODO: Wii/GCN port?
#endif
}
static void resize(int w, int h)
{
//can't have div by 0
if(h == 0) h = 1;
//change our viewport (window)
glViewport(0, 0, w, h);
my_width = w;
my_height = h;
//figure out the dimensions of our projection
if(w <= h)
{
real_width = depth;
real_height = depth * w / h;
}
else
{
real_width = depth * w / h;
real_height = depth;
}
//change to projection mode
glMatrixMode(GL_PROJECTION);
//load an identity matrix
glLoadIdentity();
//orthogonal projection or else it would look weird and you couldn't play this game
glOrtho(-real_width, real_width, -real_height, real_height, -depth, depth);
//shift back
glMatrixMode(GL_MODELVIEW);
}
// ----DRAW MAIN----
#ifdef ECHO_NDS
static void console2_draw_string(int x, int y, char* str)
{
ECHO_PRINT("\x1b[%d;%dH%s", y, x, str);
}
static void console2_draw_string(int x, int y, char* str, int num)
{
// "Cheap" solution
char c = str[num];
str[num] = '\0';
ECHO_PRINT("\x1b[%d;%dH%s", y, x, str);
str[num] = c;
}
static void console2_clear()
{
ECHO_PRINT("\x1b[2J");
}
static void console2_clear_row(int y)
{
ECHO_PRINT("\x1b[%d;0H ", y);
}
static void update_loader()
{
consoleSelect(&info);
console2_clear();
//draw the current directory on top
console2_draw_string(0, 0, files->current_dir, 14);
int each_file = 0;
while(each_file < files->num_files && each_file < 20)
{
//display an arrow next to the currently selected file
if(file_start + each_file == file_index)
console2_draw_string(0, 2 + each_file, "->");
console2_draw_string(2, 2 + each_file, files->file_names[file_start + each_file], 12);
each_file++;
}
consoleSelect(&console);
}
static void toggle_info()
{
consoleSelect(&info);
console2_clear();
//draw the stage name, since it's not going to change unless you switch to the loader
if(echo_ns::current_stage != NULL)
{
console2_draw_string(0, 0, "stage: ");
console2_draw_string(0, 1, name_cache, 14);
update_num_goals();
update_char_state();
}
else
{
console2_draw_string(0, 0, "no stage loaded");
}
consoleSelect(&console);
}
static void update_num_goals()
{
//console2_clear_row(10); console2_clear_row(11);
//console2_clear_row(12); console2_clear_row(13);
if(echo_ns::current_stage != NULL)
{
int goals_left = echo_ns::goals_left();
if(goals_left > 0)
{
//hmms, unlikely to buffer overflow, but what can I do about it anyways?
//and who the hell will have more than 10^32 goals?
//can that even fit in an int?
sprintf(counter, "%i", goals_left);
console2_draw_string(0, 10, COUNTER_HEAD);
console2_draw_string(0, 12, counter, 14);
}
//yay you finished!
else if(echo_ns::num_goals() > 0)
console2_draw_string(0, 11, SUCCESS);
//the stage had no goals to begin with
else
console2_draw_string(0, 11, NO_GOALS);
}
else
console2_draw_string(0, 11, NO_GOALS);
}
static void update_char_state()
{
//console2_clear_row(21); //console2_clear_row(22);
if(echo_ns::current_stage != NULL)
console2_draw_string(0, 21, message);
else
console2_draw_string(0, 21, "please load a stage");
}
#elif ECHO_PC
//copied from http://lighthouse3d.com/opengl/glut/index.php?bmpfontortho
static int draw_message_string(float x, float y, char *string)
{
if(string)
{
while(*string != '\0')
{
glRasterPos2f(x, y);
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, *string);
//twice as spaced out as the other strings
x += glutBitmapWidth(GLUT_BITMAP_HELVETICA_18, *string) / font_div * 2;
string++;
}
return(WIN);
}
return(FAIL);
}
static int draw_string(float x, float y, const char *string)
{
if(string)
{
int i = 0;
while(string[i] != '\0')
{
glRasterPos2f(x, y);
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, string[i]);
x += glutBitmapWidth(GLUT_BITMAP_HELVETICA_18, string[i]) / font_div;
i++;
}
return(WIN);
}
return(FAIL);
}
static int draw_string(float x, float y, char *string)
{
if(string)
{
while(*string != '\0')
{
glRasterPos2f(x, y);
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, *string);
//twice as spaced out as the other strings
x += glutBitmapWidth(GLUT_BITMAP_HELVETICA_18, *string) / font_div;
string++;
}
return(WIN);
}
return(FAIL);
}
static int draw_fname_string(float x, float y, char *string)
{
if(string)
{
while(*string != '\0')
{
glRasterPos2f(x, y);
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, *string);
//twice as spaced out as the other strings
x += glutBitmapWidth(GLUT_BITMAP_HELVETICA_12, *string) / font_div;
string++;
}
return(WIN);
}
return(FAIL);
}
static void draw_HUD()
{
//status
if(message == MSG_START)
{
//fade...
if(start_frame > START_MAX)
message = MSG_BLANK;
else
{
glColor4f(0, 0, 0, 1.0f - start_frame * 1.0f / START_MAX);
start_frame++;
}
}
else if(message == MSG_PAUSE)
{
//make it pulsate, reusing variables ftw!
glColor4f(0, 0, 0, 0.4f * sin(TO_RAD(start_frame)) + 0.6f);
start_frame += 10;
//prevent overflow
if(start_frame == 36)
start_frame = 0;
}
//near the bottom left of the stage
draw_message_string(-0.8f * real_width, -0.9f * real_height, message);
//name of the stage
if(name_display > 0)
{
glColor3f(0, 0, 0);
if(name_display < NAME_DISPLAY_MAX)
{
//fading
glColor4f(0, 0, 0, name_display * 1.0f / NAME_DISPLAY_MAX);
name_display--;
}
//left side
draw_string(-0.9f * real_width, 0, name_cache);
}
//num goals left
int goals_left = echo_ns::goals_left();
if(goals_left > 0)
{
//not very precise, but oh well
counter = new char[(int)log(goals_left) + 10];
counter_alloc = 1;
sprintf(counter, COUNTER_HEAD, goals_left);
}
else if(echo_ns::num_goals())
{
counter = SUCCESS;
counter_alloc = 0;
}
else
{
counter = NO_GOALS;
counter_alloc = 0;
}
glColor3f(0, 0, 0);
//bottom left, above status
draw_string(-0.6f * real_width, -0.8f * real_height, counter);
if(goals_left > 0)
{
if(counter_alloc == 1)
delete[] counter;
counter = NULL;
}
}
static void draw_loader()
{
//if loading or the loader just isn't fully tucked away yet
if(loading || load_frame > 0)
{
//loader is being tucked away
if(loading == 0)
load_frame--;
//loader is coming out
else if(load_frame < LOAD_MAX)
load_frame++;
glLoadIdentity();
//translate the whole thing
glTranslatef(real_width * (1 - LOADER_WIDTH * load_frame / LOAD_MAX)
, 0, depth - 0.1f);
//the background of the loader
glColor3f(0, 0, 0);
glBegin(GL_QUADS);
{
glVertex3f(0, real_height, 0);
glVertex3f(real_width * LOADER_WIDTH, real_height, 0);
glVertex3f(real_width * LOADER_WIDTH, -real_height, 0);
glVertex3f(0, -real_height, 0);
}
glEnd();
//slightly in front
glTranslatef(0, 0, 0.05f);
//the current directory
glColor3f(1, 1, 1);
draw_string(0, real_height - 0.4f, files->current_dir);
//grey for files that are not selected
glColor3f(0.5f, 0.5f, 0.5f);
int each_file = 0;
//start 3 spaces from the top.
float each_y = real_height - 3 * file_space;
//while the each_y is less than the bottom,
//each_file less than the number of files supposed to be displayed on the screen
//and less than the number of files we actually have
while(each_y >= -real_height && each_file < NUM_FILES_DISPLAYED
&& each_file < files->num_files)
{
//highlight the selected