+// $Id$
//
-// C Implementation: special
+// SuperTux - A Jump'n Run
+// Copyright (C) 2003 Tobias Glaesser <tobi.web@gmx.de>
//
-// Description:
-//
-//
-// Author: Tobias Glaesser <tobi.web@gmx.de> & Bill Kendrick, (C) 2004
-//
-// Copyright: See COPYING file that comes with this distribution
+// 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.
//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#include <assert.h>
+#include <iostream>
#include "SDL.h"
#include "defines.h"
#include "special.h"
#include "scene.h"
#include "globals.h"
#include "player.h"
+#include "sprite_manager.h"
#include "resources.h"
-texture_type img_bullet;
-texture_type img_golden_herring;
-bitmask* bm_bullet;
+Sprite* img_bullet;
+Sprite* img_star;
+Sprite* img_growup;
+Sprite* img_iceflower;
+Sprite* img_1up;
-void create_special_bitmasks()
-{
- bm_bullet = bitmask_create_SDL(img_bullet.sdl_surface);
-}
+#define GROWUP_SPEED 1.0f
+
+#define BULLET_STARTING_YM 0
+#define BULLET_XM 6
void
-Bullet::init(float x, float y, float xm, int dir)
+Bullet::init(float x, float y, float xm, Direction dir)
{
+ life_count = 3;
base.width = 4;
base.height = 4;
}
void
-Bullet::action()
+Bullet::remove_me()
+{
+ std::vector<Bullet>& bullets = World::current()->bullets;
+ for(std::vector<Bullet>::iterator i = bullets.begin();
+ i != bullets.end(); ++i) {
+ if( & (*i) == this) {
+ bullets.erase(i);
+ return;
+ }
+ }
+
+ assert(false);
+}
+
+void
+Bullet::action(double frame_ratio)
{
+ frame_ratio *= 0.5f;
+
+ float old_y = base.y;
+
base.x = base.x + base.xm * frame_ratio;
base.y = base.y + base.ym * frame_ratio;
if (issolid(base.x, base.y + 4) || issolid(base.x, base.y))
{
- base.ym = -base.ym;
- base.y = (int)(base.y / 32) * 32;
+ base.y = old_y;
+ base.ym = -base.ym;
+ if (base.ym > 9)
+ base.ym = 9;
+ else if (base.ym < -9)
+ base.ym = -9;
+ life_count -= 1;
}
- base.ym = base.ym + GRAVITY;
+ base.ym = base.ym + 0.5 * frame_ratio;
if (base.x < scroll_x ||
base.x > scroll_x + screen->w ||
- base.y < 0 ||
base.y > screen->h ||
issolid(base.x + 4, base.y + 2) ||
- issolid(base.x, base.y + 2))
+ issolid(base.x, base.y + 2) ||
+ life_count <= 0)
{
- World::current()->bullets.erase(static_cast<std::vector<Bullet>::iterator>(this));
+ remove_me();
}
}
if (base.x >= scroll_x - base.width &&
base.x <= scroll_x + screen->w)
{
- texture_draw(&img_bullet, base.x - scroll_x, base.y, 255,
- NO_UPDATE);
+ img_bullet->draw(base.x, base.y);
}
}
Bullet::collision(int c_object)
{
if(c_object == CO_BADGUY) {
- std::vector<Bullet>::iterator i;
-
- for(i = World::current()->bullets.begin(); i != World::current()->bullets.end(); ++i)
- {
- if(&(*i) == this)
- {
- World::current()->bullets.erase(i);
- return;
- }
- }
+ remove_me();
}
}
void
-Upgrade::init(float x_, float y_, int dir_, int kind_)
+Upgrade::init(float x_, float y_, Direction dir_, UpgradeKind kind_)
{
+ kind = kind_;
+ dir = dir_;
+
base.width = 32;
base.height = 0;
- kind = kind_;
base.x = x_;
base.y = y_;
+ old_base = base;
- if(dir_ == LEFT)
- base.xm = -2;
- else
- base.xm = 2;
+ physic.reset();
+ physic.enable_gravity(false);
+
+ if(kind == UPGRADE_1UP || kind == UPGRADE_HERRING) {
+ physic.set_velocity(dir == LEFT ? -1 : 1, 4);
+ physic.enable_gravity(true);
+ base.height = 32;
+ } else if (kind == UPGRADE_ICEFLOWER) {
+ // nothing
+ } else if (kind == UPGRADE_GROWUP) {
+ physic.set_velocity(dir == LEFT ? -GROWUP_SPEED : GROWUP_SPEED, 0);
+ } else {
+ physic.set_velocity(dir == LEFT ? -2 : 2, 0);
+ }
+}
- base.ym = -2;
- base.height = 0;
- old_base = base;
+void
+Upgrade::remove_me()
+{
+ std::vector<Upgrade>& upgrades = World::current()->upgrades;
+ for(std::vector<Upgrade>::iterator i = upgrades.begin();
+ i != upgrades.end(); ++i) {
+ if( & (*i) == this) {
+ upgrades.erase(i);
+ return;
+ }
+ }
+
+ assert(false);
}
void
-Upgrade::action()
+Upgrade::action(double frame_ratio)
{
- if (base.height < 32)
- {
+ if (kind == UPGRADE_ICEFLOWER || kind == UPGRADE_GROWUP) {
+ if (base.height < 32) {
/* Rise up! */
-
base.height = base.height + 0.7 * frame_ratio;
if(base.height > 32)
base.height = 32;
+
+ return;
}
- else
- {
- /* Move around? */
+ }
- if (kind == UPGRADE_MINTS ||
- kind == UPGRADE_HERRING)
- {
- base.x = base.x + base.xm * frame_ratio;
- base.y = base.y + base.ym * frame_ratio;
-
- collision_swept_object_map(&old_base,&base);
-
- /* Off the screen? Kill it! */
-
- if (base.x < scroll_x - base.width)
- World::current()->upgrades.erase(static_cast<std::vector<Upgrade>::iterator>(this));
- if (base.y > screen->h)
- World::current()->upgrades.erase(static_cast<std::vector<Upgrade>::iterator>(this));
-
- if (issolid(base.x + 1, base.y + 32.) ||
- issolid(base.x + 31., base.y + 32.))
- {
- if (base.ym > 0)
- {
- if (kind == UPGRADE_MINTS)
- {
- base.ym = 0;
- }
- else if (kind == UPGRADE_HERRING)
- {
- base.ym = -8;
- }
-
- base.y = (int)(base.y / 32) * 32;
- }
- }
- else
- base.ym = base.ym + GRAVITY * frame_ratio;
-
- if (issolid(base.x - 1, (int) base.y))
- {
- if(base.xm < 0)
- base.xm = -base.xm;
- }
- else if (issolid(base.x + base.width, (int) base.y))
- {
- if(base.xm > 0)
- base.xm = -base.xm;
- }
+ /* Away from the screen? Kill it! */
+ if(base.x < scroll_x - OFFSCREEN_DISTANCE) {
+ remove_me();
+ return;
+ }
+ if(base.y > screen->h) {
+ remove_me();
+ return;
+ }
+
+ /* Move around? */
+ physic.apply(frame_ratio, base.x, base.y);
+ if(kind == UPGRADE_GROWUP) {
+ collision_swept_object_map(&old_base, &base);
+ }
+
+ // fall down?
+ if(kind == UPGRADE_GROWUP || kind == UPGRADE_HERRING) {
+ // falling?
+ if(physic.get_velocity_y() != 0) {
+ if(issolid(base.x, base.y + base.height)) {
+ base.y = int(base.y / 32) * 32;
+ old_base = base;
+ if(kind == UPGRADE_GROWUP) {
+ physic.enable_gravity(false);
+ physic.set_velocity(dir == LEFT ? -GROWUP_SPEED : GROWUP_SPEED, 0);
+ } else if(kind == UPGRADE_HERRING) {
+ physic.set_velocity(dir == LEFT ? -2 : 2, 3);
}
+ }
+ } else {
+ if((physic.get_velocity_x() < 0
+ && !issolid(base.x+base.width, base.y + base.height))
+ || (physic.get_velocity_x() > 0
+ && !issolid(base.x, base.y + base.height))) {
+ physic.enable_gravity(true);
+ }
+ }
+ }
+ // horizontal bounce?
+ if(kind == UPGRADE_GROWUP || kind == UPGRADE_HERRING) {
+ if ( (physic.get_velocity_x() < 0
+ && issolid(base.x, (int) base.y + base.height/2))
+ || (physic.get_velocity_x() > 0
+ && issolid(base.x + base.width, (int) base.y + base.height/2))) {
+ physic.set_velocity(-physic.get_velocity_x(),physic.get_velocity_y());
+ dir = dir == LEFT ? RIGHT : LEFT;
}
+ }
}
void
Upgrade::draw()
{
SDL_Rect dest;
+
if (base.height < 32)
{
/* Rising up... */
- dest.x = (int)(base.x - scroll_x);
+ dest.x = (int)(base.x);
dest.y = (int)(base.y + 32 - base.height);
dest.w = 32;
dest.h = (int)base.height;
- if (kind == UPGRADE_MINTS)
- texture_draw_part(&img_mints,0,0,dest.x,dest.y,dest.w,dest.h);
- else if (kind == UPGRADE_COFFEE)
- texture_draw_part(&img_coffee,0,0,dest.x,dest.y,dest.w,dest.h);
+ if (kind == UPGRADE_GROWUP)
+ img_growup->draw_part(0,0,dest.x,dest.y,dest.w,dest.h);
+ else if (kind == UPGRADE_ICEFLOWER)
+ img_iceflower->draw_part(0,0,dest.x,dest.y,dest.w,dest.h);
else if (kind == UPGRADE_HERRING)
- texture_draw_part(&img_golden_herring,0,0,dest.x,dest.y,dest.w,dest.h);
+ img_star->draw_part(0,0,dest.x,dest.y,dest.w,dest.h);
+ else if (kind == UPGRADE_1UP)
+ img_1up->draw_part( 0, 0, dest.x, dest.y, dest.w, dest.h);
}
else
{
- if (kind == UPGRADE_MINTS)
+ if (kind == UPGRADE_GROWUP)
{
- texture_draw(&img_mints,
- base.x - scroll_x, base.y);
+ img_growup->draw(
+ base.x, base.y);
}
- else if (kind == UPGRADE_COFFEE)
+ else if (kind == UPGRADE_ICEFLOWER)
{
- texture_draw(&img_coffee,
- base.x - scroll_x, base.y);
+ img_iceflower->draw(
+ base.x, base.y);
}
else if (kind == UPGRADE_HERRING)
{
- texture_draw(&img_golden_herring,
- base.x - scroll_x, base.y);
+ img_star->draw(
+ base.x, base.y);
+ }
+ else if (kind == UPGRADE_1UP)
+ {
+ img_1up->draw( base.x, base.y);
}
}
}
void
-Upgrade::collision(void* p_c_object, int c_object)
+Upgrade::bump(Player* )
+{
+ // these can't be bumped
+ if(kind != UPGRADE_GROWUP)
+ return;
+
+ play_sound(sounds[SND_BUMP_UPGRADE], SOUND_CENTER_SPEAKER);
+
+ // do a little jump and change direction
+ physic.set_velocity(-physic.get_velocity_x(), 3);
+ dir = dir == LEFT ? RIGHT : LEFT;
+ physic.enable_gravity(true);
+}
+
+void
+Upgrade::collision(void* p_c_object, int c_object, CollisionType type)
{
Player* pplayer = NULL;
+ if(type == COLLISION_BUMP) {
+ if(c_object == CO_PLAYER)
+ pplayer = (Player*) p_c_object;
+ bump(pplayer);
+ return;
+ }
+
switch (c_object)
{
case CO_PLAYER:
/* p_c_object is CO_PLAYER, so assign it to pplayer */
pplayer = (Player*) p_c_object;
- World::current()->upgrades.erase(static_cast<std::vector<Upgrade>::iterator>(this));
-
/* Affect the player: */
- if (kind == UPGRADE_MINTS)
+ if (kind == UPGRADE_GROWUP)
{
play_sound(sounds[SND_EXCELLENT], SOUND_CENTER_SPEAKER);
- pplayer->size = BIG;
- pplayer->base.height = 64;
- pplayer->base.y -= 32;
- if(collision_object_map(&pplayer->base))
- {
- pplayer->base.height = 32;
- pplayer->base.y += 32;
- pplayer->duck = true;
- }
- timer_start(&super_bkgd_timer, 350);
+ pplayer->grow();
}
- else if (kind == UPGRADE_COFFEE)
+ else if (kind == UPGRADE_ICEFLOWER)
{
play_sound(sounds[SND_COFFEE], SOUND_CENTER_SPEAKER);
+ pplayer->grow();
pplayer->got_coffee = true;
- timer_start(&super_bkgd_timer, 250);
}
else if (kind == UPGRADE_HERRING)
{
play_sound(sounds[SND_HERRING], SOUND_CENTER_SPEAKER);
- timer_start(&pplayer->invincible_timer,TUX_INVINCIBLE_TIME);
- timer_start(&super_bkgd_timer, 250);
- /* play the herring song ^^ */
- if (get_current_music() != HURRYUP_MUSIC)
- {
- set_current_music(HERRING_MUSIC);
- play_current_music();
- }
+ pplayer->invincible_timer.start(TUX_INVINCIBLE_TIME);
+ World::current()->play_music(HERRING_MUSIC);
+ }
+ else if (kind == UPGRADE_1UP)
+ {
+ if(player_status.lives < MAX_LIVES) {
+ player_status.lives++;
+ play_sound(sounds[SND_LIFEUP], SOUND_CENTER_SPEAKER);
+ }
}
- break;
+
+ remove_me();
+ return;
}
}
+void load_special_gfx()
+{
+ img_growup = sprite_manager->load("egg");
+ img_iceflower = sprite_manager->load("iceflower");
+ img_star = sprite_manager->load("star");
+ img_1up = sprite_manager->load("1up");
+
+ img_bullet = sprite_manager->load("bullet");
+}
+
+void free_special_gfx()
+{
+}
+