race_select.cpp

/* --------------------------------------------------------------------
EXTREME TUXRACER

Copyright (C) 1999-2001 Jasmin F. Patry (Tuxracer)
Copyright (C) 2010 Extreme Tuxracer Team

This program 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 2
of the License, or (at your option) any later version.

This program 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.
---------------------------------------------------------------------*/

#include "race_select.h"
#include "ogl.h"
#include "textures.h"
#include "particles.h"
#include "audio.h"
#include "env.h"
#include "course.h"
#include "gui.h"
#include "font.h"
#include "translation.h"

static int curr_focus = 0;
static int curr_light = 0;
static int lastLight = 3;
static int curr_snow = 0;
static int lastSnow = 3;
static int curr_wind = 0;
static int lastWind = 3;
static int curr_mirror = 0;
static int lastMirror = 1;
static int curr_random = 0;
static int lastRandom = 1;
static int curr_course = 0;
static int lastCourse;
static TVector2 cursor_pos = {0, 0};

static TCourse *CourseList;

void SetRaceConditions (void) {
	if (curr_random > 0) {
		g_game.mirror_id = IRandom (0, lastMirror);
		g_game.light_id = IRandom (0, lastLight);
		g_game.snow_id = IRandom (0, lastSnow);
		g_game.wind_id = IRandom (0, lastWind);
		curr_random = 0;
	} else {
		g_game.mirror_id = curr_mirror;
		g_game.light_id = curr_light;
		g_game.snow_id = curr_snow;
		g_game.wind_id = curr_wind;
	}
	g_game.course_id = curr_course;
	g_game.theme_id = CourseList[curr_course].music_theme;
	g_game.game_type = PRACTICING;
	Winsys.SetMode (LOADING); 
}

void ChangeSelection (int focus, int dir) {
	if (dir == 0) {
		switch (focus) {
			case 0:	if (curr_course > 0) curr_course--; break;
			case 1: if (curr_light > 0) curr_light--; break;
			case 2: if (curr_snow > 0) curr_snow--; break;
			case 3: if (curr_wind > 0) curr_wind--; break;	
			case 4: if (curr_mirror > 0) curr_mirror--; break;	
			case 5: if (curr_random > 0) curr_random--; break;	
		}
	} else {
		switch (focus) {
			case 0:	if (curr_course < lastCourse) curr_course++; break;
			case 1: if (curr_light < lastLight) curr_light++; break;
			case 2: if (curr_snow < lastSnow) curr_snow++; break;
			case 3: if (curr_wind < lastWind) curr_wind++; break;	
			case 4: if (curr_mirror < lastMirror) curr_mirror++; break;	
			case 5: if (curr_random < lastRandom) curr_random++; break;	
		}
	}
}

static void RaceSelectMotionFunc (int x, int y) {
    TVector2 old_pos;
 	int sc, dir;
	if (Winsys.ModePending ()) return;
	
	GetFocus (x, y, &sc, &dir);
	if (sc >= 0) curr_focus = sc;
	y = param.y_resolution - y;

    old_pos = cursor_pos;
    cursor_pos = MakeVector2 (x, y);
    if  (old_pos.x != x || old_pos.y != y) {
		if (param.ui_snow) push_ui_snow (cursor_pos);
    }
}

static void RaceSelectMouseFunc (int button, int state, int x, int y ){
	int foc, dir;
	if (state == 1) {
		GetFocus (x, y, &foc, &dir);
		switch (foc) {
			case 0: ChangeSelection (foc, dir); break;
			case 1: if (curr_light < lastLight) curr_light++; else curr_light = 0; break;
			case 2: if (curr_snow < lastSnow) curr_snow++; else curr_snow = 0; break;
			case 3: if (curr_wind < lastWind) curr_wind++; else curr_wind = 0; break;
			case 4: if (curr_mirror < lastMirror) curr_mirror++; else curr_mirror = 0; break;
			case 5: if (curr_random < lastRandom) curr_random++; else curr_random = 0; break;
			case 6: SetRaceConditions (); break;
			case 7: Winsys.SetMode (GAME_TYPE_SELECT); break;
		}
	}
}

static void RaceSelectKeys (unsigned int key, bool special, bool release, int x, int y) {
	if (release) return;
	switch (key) {
		case SDLK_ESCAPE: Winsys.SetMode (GAME_TYPE_SELECT); break;
		case SDLK_TAB:
			if (curr_focus < 7) curr_focus++;
			else curr_focus = 0; break;
		case SDLK_DOWN: ChangeSelection (curr_focus, 1); break;
		case SDLK_UP: ChangeSelection (curr_focus, 0); break;
		case SDLK_LEFT: ChangeSelection (curr_focus, 0); break;
		case SDLK_RIGHT: ChangeSelection (curr_focus, 1); break;
		case SDLK_u: param.ui_snow = !param.ui_snow; break;
		case SDLK_t: g_game.force_treemap = !g_game.force_treemap; break;
		case SDLK_c: g_game.treesize++; 
				if (g_game.treesize > 5) g_game.treesize = 1; break;
		case SDLK_v: g_game.treevar++; 
				if (g_game.treevar > 5) g_game.treevar = 1; break;
		case SDLK_RETURN:
			if (curr_focus == 8) Winsys.SetMode (GAME_TYPE_SELECT);
			else SetRaceConditions ();	break;
	}
}

// --------------------------------------------------------------------
static TArea area;
static int framewidth, frameheight, frametop;
static int prevtop, prevwidth, prevheight;
static int icontop, iconsize, iconspace, iconleft, iconsumwidth;
static int boxleft, boxwidth;

void RaceSelectInit (void) {
	Winsys.ShowCursor (!param.ice_cursor);    
	Music.Play (param.menu_music, -1);
	
	CourseList = Course.CourseList;
	lastCourse = Course.numCourses - 1;

	framewidth = 550 * param.scale;
	frameheight = 50 * param.scale;
	frametop = AutoYPosN (30);
	
	area = AutoAreaN (30, 80, framewidth);
	prevtop = AutoYPosN (50);
	prevheight = 144 * param.scale;
	prevwidth = 192 * param.scale;
	boxwidth = framewidth - prevwidth - 20;
	boxleft = area.right - boxwidth;
	icontop = AutoYPosN (40);
	iconsize = 32 * param.scale;
	iconspace = (int)((iconsize+6) * 1.5);
	iconsumwidth = iconspace * 4 + iconsize;
	iconleft = (param.x_resolution - iconsumwidth) / 2;

	ResetWidgets ();
	AddArrow (area.left + framewidth + 8, frametop, 0, 0);
	AddArrow (area.left + framewidth + 8, frametop+18, 1, 0);

	AddIconButton (iconleft, icontop, 1, Tex.TexID (LIGHT_BUTT), iconsize); 
	AddIconButton (iconleft + iconspace, icontop, 2, Tex.TexID (SNOW_BUTT), iconsize); 
	AddIconButton (iconleft + iconspace*2, icontop, 3, Tex.TexID (WIND_BUTT), iconsize); 
	AddIconButton (iconleft + iconspace*3, icontop, 4, Tex.TexID (MIRROR_BUTT), iconsize); 
	AddIconButton (iconleft + iconspace*4, icontop, 5, Tex.TexID (RANDOM_BUTT), iconsize); 

	int siz = FT.AutoSizeN (5);
	double len1 = FT.GetTextWidth (Trans.Text(13));
	AddTextButton (Trans.Text(13), area.right-len1-50, AutoYPosN (80), 6, siz);
 	AddTextButton (Trans.Text(8), area.left + 50, AutoYPosN (80), 7, siz);

	curr_focus = 0;
	g_game.loopdelay = 20;
}

void RaceSelectLoop (double timestep){
	int ww = param.x_resolution;
	int hh = param.y_resolution;
	TColor col;
		
	check_gl_error();
   	set_gl_options (GUI );
    ClearRenderContext ();
	SetupGuiDisplay ();

	Music.Update ();    

	if (param.ui_snow) {
		update_ui_snow (timestep);
		draw_ui_snow ();
	}

	Tex.Draw (T_TITLE_SMALL, CENTER, AutoYPosN (5), 1.0);
	Tex.Draw (BOTTOM_LEFT, 0, hh-256, 1);
	Tex.Draw (BOTTOM_RIGHT, ww-256, hh-256, 1);
	Tex.Draw (TOP_LEFT, 0, 0, 1);
	Tex.Draw (TOP_RIGHT, ww-256, 0, 1);

//	DrawFrameX (area.left, area.top, area.right-area.left, area.bottom - area.top, 
//			0, colMBackgr, colBlack, 0.2);

	// course selection
	if (curr_focus == 0) col = colDYell; else col = colWhite;
	DrawFrameX (area.left, frametop, framewidth, frameheight, 3, colMBackgr, col, 1.0);
	FT.AutoSizeN (4);
	FT.SetColor (colDYell);
	FT.DrawString (area.left+20, frametop, CourseList[curr_course].name);

	Tex.DrawDirectFrame (CourseList[curr_course].preview, 
		area.left + 3, prevtop, prevwidth, prevheight, 3, colWhite);


	DrawFrameX (area.right-boxwidth, prevtop-3, boxwidth, prevheight+6, 3, colBackgr, colWhite, 1.0);
	FT.AutoSizeN (2);
	FT.SetColor (colWhite);
	int dist = FT.AutoDistanceN (0);
	for (int i=0; i<CourseList[curr_course].num_lines; i++) {
		FT.DrawString (boxleft+8, prevtop+i*dist, CourseList[curr_course].desc[i]);
	}
	
	FT.DrawString (CENTER, prevtop + prevheight + 10, "Author:  " + CourseList[curr_course].author); 

	PrintArrow (0, (curr_course > 0));	
	PrintArrow (1, (curr_course < lastCourse));

	PrintIconButton (0, curr_focus, curr_light);
	PrintIconButton (1, curr_focus, curr_snow);
	PrintIconButton (2, curr_focus, curr_wind);
	PrintIconButton (3, curr_focus, curr_mirror);
	PrintIconButton (4, curr_focus, curr_random);

	PrintTextButton (0, curr_focus);
	PrintTextButton (1, curr_focus);

	FT.AutoSizeN (4);
	string forcetrees = "Load trees.png";
	string sizevar = "Size: ";
	sizevar += Int_StrN (g_game.treesize);
	sizevar += " Variation: ";
	sizevar += Int_StrN (g_game.treevar);
	if (g_game.force_treemap) {
		FT.SetColor (colYellow);
		FT.DrawString (CENTER, AutoYPosN (85), forcetrees);
 		FT.DrawString (CENTER, AutoYPosN (90), sizevar);
	}

	if (param.ice_cursor) DrawCursor ();
	Winsys.SwapBuffers();
} 

void RaceSelectTerm () {}

void RaceSelectRegister () {
	Winsys.SetModeFuncs (RACE_SELECT, RaceSelectInit, RaceSelectLoop, RaceSelectTerm,
 		RaceSelectKeys, RaceSelectMouseFunc, RaceSelectMotionFunc, NULL, NULL, NULL);
}