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game.c
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game.c
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/*
game.c
Copyright 2007 Sebastien Delestaing
This file is part of "the_cube".
"the_cube" 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.
"the_cube" 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/************************************ INCLUDES ***************************************/
#include <pspdisplay.h>
#include <pspctrl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <pspgu.h>
#include <pspgum.h>
#include "main.h"
#include "music.h"
#include "common.h"
#include "camera.h"
#include "cube.h"
#include "sfx.h"
#include "stats.h"
#include "game.h"
/************************************* DEFINES ***************************************/
#define DEAD_ZONE 30 // dead zone for the analog pad
#define ANALOG_SENSIBILITY 40.0f // analog pad sensibility (used for free move mode)
#define FRICTION 0.9f // used to slow down the cube rotation in free mode
#define FRICTION_LIMIT 0.5f // when below this limit, the rotation stops
/************************************ TYPEDEFS ***************************************/
typedef struct s_game_sav
{
unsigned char header[4];
float duration;
int nb_moves;
}
game_sav_t;
/********************************* EXTERNAL VARS *************************************/
extern float gf_menu_cube_spin_y;
/********************************** GLOBAL VARS **************************************/
float gf_angular_speed_y, gf_cube_spin_x, gf_cube_spin_y, gf_cube_spin_z;
sfx_t *sfx1, *sfx2;
float gf_camera_phi, gf_camera_theta;
cam_t *g_camera = NULL;
int gi_game_in_progress = 0;
/************************************* STATICS ***************************************/
static int gi_spin_started;
static int gi_current_cursor_axis, gi_current_cursor_pos;
static int gi_show_osd = -1;
// Some options to modify gameplay
static int gi_free_move = 0, gi_locked_cursor = 0, gi_smart_spin = -1;
static time_t game_duration, last_start_time;
static FACE_T cursor_axis[5][3] = {{CF_FRONT, CF_SLICEZ, CF_BACK},
{CF_LEFT, CF_SLICEX, CF_RIGHT},
{CF_BACK, CF_SLICEZ, CF_FRONT},
{CF_RIGHT, CF_SLICEX, CF_LEFT},
{CF_BOTTOM, CF_SLICEY, CF_TOP}
};
static SPIN_T direct[9] = {SPIN_CW, // TOP
SPIN_CCW, // BOTTOM
SPIN_CCW, // LEFT
SPIN_CW, // RIGHT
SPIN_CW, // FRONT
SPIN_CCW, // BACK
SPIN_CW, // SLICEX
SPIN_CW, // SLICEY
SPIN_CW}; // SLICEZ
static SPIN_T indirect[9] = {SPIN_CCW, // TOP
SPIN_CW, // BOTTOM
SPIN_CW, // LEFT
SPIN_CCW, // RIGHT
SPIN_CCW, // FRONT
SPIN_CW, // BACK
SPIN_CCW, // SLICEX
SPIN_CCW, // SLICEY
SPIN_CCW}; // SLICEZ
static sfx_t *sfx_cube = NULL;
static int gi_cube_mix = -1;
static int gi_controls_enabled;
static int gi_msg_y;
static char gpc_msg[61]; // 61 characters max (must fit on screen, so 480 / 8)
static sfx_t *sfx_stars = NULL;
static int gi_stars_alpha;
static int gi_stars_x, gi_stars_y;
static sfx_t *sfx_message = NULL;
static int gi_message_anim;
static sfx_t *sfx_message2 = NULL;
static float gf_saved_cube_spin_y = 0.0;
/********************************* LOCAL FUNCTIONS ***********************************/
// sfx callbacks ////////////
void select_next_axis (sfx_t *sfx)
{
if (gi_current_cursor_axis != 4)
{
gi_current_cursor_axis = (gi_current_cursor_axis + 1) % 4;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
void select_prev_axis (sfx_t *sfx)
{
if (gi_current_cursor_axis != 4)
{
gi_current_cursor_axis--;
if (gi_current_cursor_axis == -1)
gi_current_cursor_axis = 3;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
void gen_stars (sfx_t *sfx)
{
gi_stars_x = rand () % 480;
gi_stars_y = rand () % 272;
sfxSet (sfx_stars, 255, 0, 60, SFX_LINEAR, sfxProcessSetInt, gen_stars, &gi_stars_alpha);
}
////////////////////////////
void printEndMessage (int anim)
{
int i, total_width, nb_letters;
int srcx[15], srcy[15], dstx[15], srcw[15];
float scale;
char text[15] = "cube complete!";
// pre-compute letter positions
total_width = 0;
nb_letters = 0;
for (i = 0; i < strlen (text); i++)
{
int font_xpos, font_ypos, letter_width;
switch (text[i])
{
case ' ':
total_width += 8;
continue;
case '.':
letter_width = 9;
font_xpos = 7;
font_ypos = 2;
break;
case '!':
letter_width = 9;
font_xpos = 11;
font_ypos = 2;
break;
case ':':
letter_width = 9;
font_xpos = 10;
font_ypos = 2;
break;
case '/':
letter_width = 12;
font_xpos = 2;
font_ypos = 2;
break;
default:
if (isalpha (text[i]))
{
int c = toupper (text[i]);
if (c < 'M')
{
font_xpos = c - 'A';
font_ypos = 0;
}
else if (c < 'Y')
{
font_xpos = c - 'M';
font_ypos = 1;
}
else
{
font_xpos = c - 'Y';
font_ypos = 2;
}
if (c == 'I')
letter_width = 9;
else
letter_width = 20;
}
else
{
total_width += 8;
continue;
}
}
srcx[nb_letters] = font_xpos * 21;
srcy[nb_letters] = font_ypos * 24;
dstx[nb_letters] = total_width;
srcw[nb_letters] = letter_width;
total_width += letter_width;
nb_letters++;
}
// now blit
scale = 1.0f + ((float)anim / 16.0f) * ((float)anim / 16.0f) / 128.0f;
for (i = 0; i < nb_letters; i++)
{ u32 color;
color = (255 - anim) << 24 | 0x00ffffff;
blitScale (srcx[i], srcy[i], srcw[i], 24, dstx[i] * scale + (480 - total_width * scale) / 2, (272 - 24 * scale) / 2, scale, color);
}
}
static void controls (void)
{
int u, v;
// update cube
cubeUpdate ();
// If we need to mix the cube
if (!cubeIsSpinning () && gi_cube_mix >= 0)
{
// when done
if (gi_cube_mix == 0)
{
// Select top, speed normal
cubeSelectFace (CF_TOP);
cubeSetSpinSpeed (5.0f);
// hide message
sfxSet (sfx_message2, 262, 272, 10, SFX_LINEAR, sfxProcessSetInt, NULL, &gi_msg_y);
// Activate controls
gi_controls_enabled = -1;
}
else
{
// avoid user initiated spins
gi_controls_enabled = 0;
// keep the clock still while we are mixing the cube
last_start_time = time (NULL);
// Hide selection
cubeSelectFace (CF_NONE);
// spin randomly
cubeSpinFace (rand () % 9, SPIN_CW);
}
gi_cube_mix--;
}
if (gi_spin_started && !cubeIsSpinning () && !cubeIsRotating ())
{
// Cube is not spinning anymore
gi_spin_started = 0;
// Check if cube is solved
if (cubeIsSolved ())
{
// Record stats: cube is complete
statsEvent (STAT_CUBE_COMPLETED);
// Compute final game duration, set game as not running, deselect face
game_duration += difftime (time (NULL), last_start_time);
gi_game_in_progress = 0;
gi_controls_enabled = 0;
cubeSelectFace (CF_NONE);
// Enable free move
gi_free_move = -1;
gf_saved_cube_spin_y = gf_cube_spin_y;
// Show OSD at the end (to see the final time)
gi_show_osd = -1;
// Nice stars effect to reward the player
gen_stars (NULL);
// Display a "cube complete" message
sfxSet (sfx_message, 255, 0, 60, SFX_LINEAR, sfxProcessSetInt, NULL, &gi_message_anim);
// display end msg
strcpy (gpc_msg, "press start to continue...");
sfxSet (sfx_message2, 272, 262, 10, SFX_LINEAR, sfxProcessSetInt, NULL, &gi_msg_y);
// Play success music
musicPlayMODFromMemory (success_mod_start, success_mod_end);
}
}
// pad.Lx and pad.Ly are unsigned integer ranging from 0 to 256 (Lx: left to right, Ly: up to down)
u = pad.Lx - 128;
v = pad.Ly - 128;
if (fabs (u) > DEAD_ZONE)
{
if (gi_free_move)
{
float new_speed;
new_speed = u / ANALOG_SENSIBILITY;
if (new_speed * gf_angular_speed_y >= 0.0)
{
if (fabs (gf_angular_speed_y) < fabs (new_speed))
gf_angular_speed_y = new_speed;
}
}
else
{
if (sfx_cube->completed)
{
if (gi_locked_cursor)
cubeSelectFace (CF_NONE);
if (u > 0)
{
if (gi_locked_cursor)
sfxSet (sfx_cube, gf_cube_spin_y, gf_cube_spin_y + 90.0f, 30, SFX_LINEAR, sfxProcessSetFloat, select_next_axis, &gf_cube_spin_y);
else
sfxSet (sfx_cube, gf_cube_spin_y, gf_cube_spin_y + 90.0f, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_cube_spin_y);
}
else
{
if (gi_locked_cursor)
sfxSet (sfx_cube, gf_cube_spin_y, gf_cube_spin_y - 90.0f, 30, SFX_LINEAR, sfxProcessSetFloat, select_prev_axis, &gf_cube_spin_y);
else
sfxSet (sfx_cube, gf_cube_spin_y, gf_cube_spin_y - 90.0f, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_cube_spin_y);
}
}
}
}
else if (fabs (v) > DEAD_ZONE)
{
if (sfx1->completed)
{
if (g_camera->position.y < 0.0f && v > 0)
{
sfxSet (sfx1, 135, 45, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_camera_phi);
}
else if (g_camera->position.y > 0.0f && v < 0)
{
sfxSet (sfx1, 45, 135, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_camera_phi);
}
}
}
// One shot controls
if (pad.Buttons != oldPad.Buttons)
{
if (gi_controls_enabled)
{
if(pad.Buttons & PSP_CTRL_DOWN)
{
int new_axis;
// Select face on the left side of the screen (X axis)
if (gf_cube_spin_y < 45.0)
new_axis = 0;
else if (gf_cube_spin_y < 135.0)
new_axis = 1;
else if (gf_cube_spin_y < 225.0)
new_axis = 2;
else if (gf_cube_spin_y < 315.0)
new_axis = 3;
else
new_axis = 0;
if (gi_current_cursor_axis != new_axis)
{
gi_current_cursor_axis = new_axis;
gi_current_cursor_pos = 0;
}
else
{
if (gi_current_cursor_pos > 0)
gi_current_cursor_pos--;
else
gi_current_cursor_pos = 2;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if(pad.Buttons & PSP_CTRL_RIGHT)
{
int new_axis;
// Select face on the right side of the screen
if (gf_cube_spin_y < 45.0)
new_axis = 3;
else if (gf_cube_spin_y < 135.0)
new_axis = 0;
else if (gf_cube_spin_y < 225.0)
new_axis = 1;
else if (gf_cube_spin_y < 315.0)
new_axis = 2;
else
new_axis = 3;
if (gi_current_cursor_axis != new_axis)
{
gi_current_cursor_axis = new_axis;
gi_current_cursor_pos = 0;
}
else
{
if (gi_current_cursor_pos > 0)
gi_current_cursor_pos--;
else
gi_current_cursor_pos = 2;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if(pad.Buttons & PSP_CTRL_UP)
{
int new_axis;
// Select face on the left side of the screen (X axis)
if (gf_cube_spin_y < 45.0)
new_axis = 0;
else if (gf_cube_spin_y < 135.0)
new_axis = 1;
else if (gf_cube_spin_y < 225.0)
new_axis = 2;
else if (gf_cube_spin_y < 315.0)
new_axis = 3;
else
new_axis = 0;
if (gi_current_cursor_axis != new_axis)
{
gi_current_cursor_axis = new_axis;
gi_current_cursor_pos = 2;
}
else
{
if (gi_current_cursor_pos < 2)
gi_current_cursor_pos++;
else
gi_current_cursor_pos = 0;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if(pad.Buttons & PSP_CTRL_LEFT)
{
int new_axis;
// Select face on the right side of the screen
if (gf_cube_spin_y < 45.0)
new_axis = 3;
else if (gf_cube_spin_y < 135.0)
new_axis = 0;
else if (gf_cube_spin_y < 225.0)
new_axis = 1;
else if (gf_cube_spin_y < 315.0)
new_axis = 2;
else
new_axis = 3;
if (gi_current_cursor_axis != new_axis)
{
gi_current_cursor_axis = new_axis;
gi_current_cursor_pos = 2;
}
else
{
if (gi_current_cursor_pos < 2)
gi_current_cursor_pos++;
else
gi_current_cursor_pos = 0;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if (pad.Buttons & PSP_CTRL_TRIANGLE)
{
if (gi_current_cursor_axis != 4)
{
gi_current_cursor_axis = 4;
gi_current_cursor_pos = 2;
}
else
{
if (gi_current_cursor_pos < 2)
gi_current_cursor_pos++;
else
gi_current_cursor_pos = 0;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if (pad.Buttons & PSP_CTRL_CROSS)
{
if (gi_current_cursor_axis != 4)
{
gi_current_cursor_axis = 4;
gi_current_cursor_pos = 0;
}
else
{
if (gi_current_cursor_pos > 0)
gi_current_cursor_pos--;
else
gi_current_cursor_pos = 2;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
if (pad.Buttons & PSP_CTRL_SQUARE)
{
if (gi_smart_spin)
{
switch (gi_current_cursor_axis)
{
case 4: // TOP-BOTTOM
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], direct[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
case 0: // FRONT-BACK
case 2:
if ((gf_cube_spin_y < 90.0f) || (gf_cube_spin_y > 270.0f))
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], indirect[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], direct[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
case 1: // LEFT-RIGHT
case 3:
if (gf_cube_spin_y < 180.0f)
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], direct[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], indirect[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
}
}
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], SPIN_CCW);
gi_spin_started = -1;
}
if (pad.Buttons & PSP_CTRL_CIRCLE)
{
if (gi_smart_spin)
{
switch (gi_current_cursor_axis)
{
case 4: // TOP-BOTTOM
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], indirect[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
case 0: // FRONT-BACK
case 2:
if ((gf_cube_spin_y < 90.0f) || (gf_cube_spin_y > 270.0f))
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], direct[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], indirect[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
case 1: // LEFT-RIGHT
case 3:
if (gf_cube_spin_y < 180.0f)
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], indirect[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], direct[cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]]);
break;
}
}
else
cubeSpinFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos], SPIN_CW);
gi_spin_started = -1;
}
if (pad.Buttons & PSP_CTRL_LTRIGGER)
{
int axis;
// Select face on the right
if (gf_cube_spin_y < 45.0)
axis = 3;
else if (gf_cube_spin_y < 135.0)
axis = 0;
else if (gf_cube_spin_y < 225.0)
axis = 1;
else if (gf_cube_spin_y < 315.0)
axis = 2;
else
axis = 3;
cubeRotate (cursor_axis[axis][0], SPIN_CCW);
gi_spin_started = -1;
}
if (pad.Buttons & PSP_CTRL_RTRIGGER)
{
int axis;
// Select face on the front
if (gf_cube_spin_y < 45.0)
axis = 0;
else if (gf_cube_spin_y < 135.0)
axis = 1;
else if (gf_cube_spin_y < 225.0)
axis = 2;
else if (gf_cube_spin_y < 315.0)
axis = 3;
else
axis = 0;
cubeRotate (cursor_axis[axis][0], SPIN_CW);
gi_spin_started = -1;
}
if (pad.Buttons & PSP_CTRL_SELECT)
{
gi_show_osd = ~gi_show_osd;
}
} // if (gi_control_enabled)
// Menu key is only active when cube is not mixing
if ((pad.Buttons & PSP_CTRL_START) && (gi_cube_mix == -1))
{
sfxSet (sfx1, gf_cube_spin_y, gf_cube_spin_y - 50.0f, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_menu_cube_spin_y);
sfxSet (sfx2, gf_camera_phi, 90.0f, 30, SFX_LINEAR, sfxProcessSetFloat, NULL, &gf_camera_phi);
if (gi_game_in_progress)
{
game_duration += difftime (time (NULL), last_start_time);
}
else
{
// Stop music
musicStop ();
// hide stars and "cube complete" message
sfxStop (sfx_stars);
sfxStop (sfx_message);
// hide help message
gi_msg_y = 272;
gf_cube_spin_y = gf_saved_cube_spin_y;
}
mainSetMode (MENU);
}
}
}
void rotation_update (void)
{
gf_cube_spin_y += gf_angular_speed_y;
// Keep between 0 and 360 for face selection purpose
if (gf_cube_spin_y < 0.0)
gf_cube_spin_y += 360.0f;
if (gf_cube_spin_y > 360.0)
gf_cube_spin_y -= 360.0f;
gf_angular_speed_y *= FRICTION;
if (fabs (gf_angular_speed_y) < FRICTION_LIMIT)
gf_angular_speed_y = 0.0f;
}
static void render (void)
{
renderPlasma ();
// setup matrices
sceGumMatrixMode (GU_PROJECTION);
sceGumLoadIdentity ();
sceGumPerspective (30.0f, 16.0f/9.0f, 0.5f, 1000.0f);
sceGumMatrixMode (GU_VIEW);
sceGumLoadIdentity ();
sfxProcess (sfx1);
sfxProcess (sfx2);
cameraRotateAroundOrigin (g_camera, gf_camera_theta, gf_camera_phi);
cameraLook (g_camera);
sfxProcess (sfx_cube);
rotation_update ();
sceGumMatrixMode (GU_MODEL);
sceGumLoadIdentity ();
sceGumRotateY (gf_cube_spin_y * GU_PI / 180.0);
sceGumPushMatrix ();
sceGumRotateZ (gf_cube_spin_z * GU_PI / 180.0);
sceGumPushMatrix ();
sceGumRotateX (gf_cube_spin_x * GU_PI / 180.0);
// draw cube
cubeRender ();
sceGumPopMatrix ();
sceGumPopMatrix ();
sfxProcess (sfx_stars);
if (!sfx_stars->completed)
{
int i;
sceGuDisable (GU_DEPTH_TEST);
sceGuBlendFunc (GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);
sceGuEnable(GU_BLEND);
sceGuTexMode (GU_PSM_4444, 0, 0, 1);
sceGuTexImage (0, 512, 64, 512, stars_start);
sceGuTexFunc (GU_TFX_MODULATE, GU_TCC_RGBA);
sceGuTexFilter (GU_NEAREST, GU_NEAREST);
for (i = 0; i < 12; i++)
{
int x, y, r;
u32 color = gi_stars_alpha << 24 | 0x00ffffff;
r = 256 - ((float)gi_stars_alpha / 16.0f) * ((float)gi_stars_alpha / 16.0f);
x = gi_stars_x + r * cosf ((i * 30.0f) * GU_PI / 180.0f);
y = gi_stars_y + r * sinf ((i * 30.0f) * GU_PI / 180.0f);
blit (40 * (((int)(i * 30) % 72) / 6), 0, 40, 40, x - 20, y - 20, color);
}
sceGuEnable (GU_DEPTH_TEST);
sceGuDisable(GU_BLEND);
}
sfxProcess (sfx_message);
if (!sfx_message->completed || !gi_game_in_progress)
{
sceGuDisable (GU_DEPTH_TEST);
sceGuBlendFunc (GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);
sceGuEnable(GU_BLEND);
sceGuTexMode (GU_PSM_4444, 0, 0, 1);
sceGuTexImage (0, 256, 128, 256, font_start);
sceGuTexFunc (GU_TFX_MODULATE, GU_TCC_RGBA);
sceGuTexFilter (GU_NEAREST, GU_LINEAR);
printEndMessage (gi_message_anim);
sceGuEnable (GU_DEPTH_TEST);
sceGuDisable(GU_BLEND);
}
// Display OSD at the top of the screen
if (gi_show_osd)
{
int sec, min, hour, run_time;
char buffer [10];
static int time_blink_counter = 0;;
// Local static var to make the time dispay blink at the end of a game
time_blink_counter++;
sceGuDisable (GU_TEXTURE_2D);
sceGuDisable (GU_DEPTH_TEST);
sceGuBlendFunc (GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);
sceGuEnable(GU_BLEND);
drawRectangle (0, 0, 480, 10, 0x80000000);
sceGuEnable (GU_TEXTURE_2D);
if (gi_game_in_progress)
run_time = game_duration + difftime (time (NULL), last_start_time);
else
run_time = game_duration;
// Format time nicely H:MM:SS
sec = run_time % 60;
min = (run_time / 60) % 60;
hour = run_time / 3600;
sprintf (buffer, "%d:%02d:%02d", hour, min, sec);
// Display title in the upper left corner
printTextAt (0, 1, "the_cube v1.1", 0xffffffff, 0);
// Display time in the upper right corner (continuously in game, and blinking otherwise)
if (gi_game_in_progress || (time_blink_counter % 20 < 10))
printTextAt (480 - 8 * 8, 1, buffer, 0xffffffff, 0);
sceGuEnable (GU_DEPTH_TEST);
sceGuDisable(GU_BLEND);
}
sfxProcess (sfx_message2);
// Display message in the lower part of the screen
if (gi_msg_y < 272)
{
sceGuDisable (GU_TEXTURE_2D);
sceGuDisable (GU_DEPTH_TEST);
sceGuBlendFunc (GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);
sceGuEnable(GU_BLEND);
drawRectangle (0, gi_msg_y, 480, 272, 0x80000000);
sceGuEnable (GU_TEXTURE_2D);
printTextAt (0, gi_msg_y + 1, gpc_msg, 0xffffffff, 0);
sceGuEnable (GU_DEPTH_TEST);
sceGuDisable(GU_BLEND);
}
}
static void on_enter (void)
{
gi_controls_enabled= -1;
last_start_time = time (NULL);
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
}
static void init (void)
{
gi_msg_y = 272;
gi_spin_started = 0;
gi_current_cursor_axis = 4; // Y
gi_current_cursor_pos = 2; // TOP
// Cube rotation variables
gf_angular_speed_y = 0.0f;
gf_cube_spin_y = 50.0f;
// Init camera
g_camera = cameraInit ();
ScePspFVector3 vView = {0, 0, 0};
ScePspFVector3 vUpVector = {0, 1, 0};
ScePspFVector3 vPosition = {100, 0, 0};
cameraPosition (g_camera, &vPosition, &vView, &vUpVector);
gf_camera_phi = 90.0f;
gf_camera_theta = 0.0f;
cameraRotateAroundOrigin (g_camera, gf_camera_theta, gf_camera_phi);
sfx1 = sfxNew ();
sfx2 = sfxNew ();
sfx_cube = sfxNew ();
sfx_stars = sfxNew ();
sfx_message = sfxNew ();
sfx_message2 = sfxNew ();
if (gameLoadFromFile ("game.sav") != 0)
{
// reinit game duration
game_duration = 0;
// create new cube
cubeInit ();
// set global var for game status
gi_game_in_progress = 0;
}
else
{
gi_game_in_progress = -1;
}
cubeSelectFace (cursor_axis[gi_current_cursor_axis][gi_current_cursor_pos]);
// Cube geometry updated
sceKernelDcacheWritebackAll ();
}
static void dispose (void)
{
// Save current game
gameSaveToFile ("game.sav");
// Free cube
cubeDispose ();
// Free camera
cameraDispose (g_camera);
sfx1 = sfxFree (sfx1);
sfx2 = sfxFree (sfx2);
sfx_cube = sfxFree (sfx_cube);
sfx_stars = sfxFree (sfx_stars);
sfx_message = sfxFree (sfx_message);
sfx_message2 = sfxFree (sfx_message2);
}
/******************************* EXPORTED FUNCTIONS **********************************/
int gameLoadFromFile (char *filename)
{
SceUID fileHandle;
int size_header, size_cube;
game_sav_t game_sav;
serialized_cube_t serialized_cube;
fileHandle = sceIoOpen (filename, PSP_O_RDONLY, 0777);
if (fileHandle < 0)
return -1;
size_header = sceIoRead (fileHandle, &game_sav, sizeof(game_sav_t));
if ((game_sav.header[0] != 'C') ||
(game_sav.header[1] != 'U') ||
(game_sav.header[2] != 'B') ||
(game_sav.header[3] != '1'))
{
sceIoClose (fileHandle);
return -3;
}
size_cube = sceIoRead (fileHandle, &serialized_cube, sizeof(serialized_cube_t));
sceIoClose (fileHandle);
if (size_header != sizeof (game_sav_t))
return -2;
if (size_cube != sizeof (serialized_cube_t))
return -2;
cubeDeserialize (&serialized_cube);
game_duration = game_sav.duration;
return 0;
}
void gameSaveToFile (char *filename)
{
SceUID fileHandle;
game_sav_t game_sav;
serialized_cube_t serialized_cube;
fileHandle = sceIoOpen (filename, PSP_O_WRONLY | PSP_O_CREAT | PSP_O_TRUNC, 0777);
if (fileHandle < 0)
return;
if (gi_game_in_progress)
{
cubeSerialize (&serialized_cube);
game_sav.header[0] = 'C';
game_sav.header[1] = 'U';
game_sav.header[2] = 'B';
game_sav.header[3] = '1';
game_sav.duration = game_duration;
sceIoWrite (fileHandle, &game_sav, sizeof (game_sav_t));
sceIoWrite (fileHandle, &serialized_cube, sizeof (serialized_cube_t));
}
sceIoClose (fileHandle);
}
void gameStart (void)
{
// Destroy current cube
cubeDispose ();
// Create new cube
cubeInit ();
// 30 random spins should be enough
gi_cube_mix = 30;
cubeSetSpinSpeed (15.0f);
// reinit game duration
game_duration = 0;
gi_game_in_progress = -1;
gi_free_move = 0;