starfighter/src/player.cpp

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/*
Copyright (C) 2003 Parallel Realities
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 "Starfighter.h"
object player;
/*
Initialises the player for a new game.
*/
void initPlayer()
{
player.active = true;
player.x = screen->w / 2;
player.y = screen->h / 2;
player.speed = 2;
player.maxShield = (25 * currentGame.shieldUnits);
player.systemPower = player.maxShield;
player.face = 0;
player.image[0] = shipShape[0];
player.image[1] = shipShape[1];
player.engineX = player.image[0]->w;
player.engineY = (player.image[0]->h / 2);
player.owner = &player;
player.flags = FL_FRIEND;
player.weaponType[0] = W_PLAYER_WEAPON;
if(weapon[0].ammo[0] < currentGame.minPlasmaOutput)
weapon[0].ammo[0] = currentGame.minPlasmaOutput;
if(weapon[0].damage < currentGame.minPlasmaDamage)
weapon[0].damage = currentGame.minPlasmaDamage;
if(weapon[0].reload[0] > rate2reload[currentGame.minPlasmaRate])
weapon[0].reload[0] = rate2reload[currentGame.minPlasmaRate];
player.hit = 0;
engine.lowShield = (player.maxShield / 3);
engine.averageShield = engine.lowShield + engine.lowShield;
if (player.weaponType[1] == W_CHARGER)
player.ammo[1] = 0;
if (player.weaponType[1] == W_LASER)
player.ammo[1] = 0;
}
void exitPlayer()
{
if (player.weaponType[1] == W_CHARGER)
player.ammo[1] = 0;
if (player.weaponType[1] == W_LASER)
player.ammo[1] = 0;
}
void doPlayer()
{
// This causes the motion to slow
engine.ssx *= 0.99;
engine.ssy *= 0.99;
int shapeToUse;
if (player.shield > -100)
{
if (player.shield > 0)
{
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if ((engine.keyState[KEY_FIRE]))
fireBullet(&player, 0);
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if ((engine.keyState[KEY_ALTFIRE]) && (player.weaponType[1] != W_NONE))
{
if ((player.weaponType[1] != W_CHARGER) && (player.weaponType[1] != W_LASER) && (player.ammo[1] > 0))
{
fireBullet(&player, 1);
}
if (player.weaponType[1] == W_LASER)
{
if (player.ammo[1] < 100)
{
fireBullet(&player, 1);
player.ammo[1] += 2;
if (player.ammo[1] >= 100)
{
player.ammo[1] = 200;
setInfoLine("Laser Overheat!!", FONT_WHITE);
}
}
}
}
if (player.weaponType[1] == W_CHARGER)
{
if (engine.keyState[KEY_ALTFIRE] && !(currentGame.gamePlay == GAMEPLAY_ONPON && engine.keyState[KEY_FIRE]))
{
limitCharAdd(&player.ammo[1], 1, 0, 200);
}
else
{
if (player.ammo[1] > 0)
fireBullet(&player, 1);
player.ammo[1] = 0;
}
}
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if ((engine.keyState[KEY_SWITCH]))
{
if(weapon[0].ammo[0] >= 3 && weapon[0].ammo[0] <= currentGame.maxPlasmaOutput)
{
weapon[0].flags ^= WF_SPREAD;
if(weapon[0].flags & WF_SPREAD)
{
setInfoLine("Weapon set to Spread", FONT_WHITE);
}
else
{
setInfoLine("Weapon set to Concentrate", FONT_WHITE);
}
}
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engine.keyState[KEY_SWITCH] = 0;
}
limitCharAdd(&player.reload[0], -1, 0, 999);
limitCharAdd(&player.reload[1], -1, 0, 999);
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if (engine.keyState[KEY_UP])
{
player.y -= player.speed;
engine.ssy += 0.1;
}
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if (engine.keyState[KEY_DOWN])
{
player.y += player.speed;
engine.ssy -= 0.1;
}
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if (engine.keyState[KEY_LEFT])
{
player.x -= player.speed;
engine.ssx += 0.1;
player.face = 1;
}
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if (engine.keyState[KEY_RIGHT])
{
player.x += player.speed;
engine.ssx -= 0.1;
player.face = 0;
}
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if (engine.keyState[KEY_ESCAPE])
{
if ((engine.done == 0) && (engine.gameSection == SECTION_GAME) && (currentMission.remainingObjectives1 == 0))
{
playSound(SFX_FLY);
engine.done = 2;
engine.missionCompleteTimer = (SDL_GetTicks() - 1);
}
}
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if (engine.keyState[KEY_PAUSE])
{
engine.paused = true;
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engine.keyState[KEY_PAUSE] = 0;
}
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if ((engine.keyState[KEY_TARGET]) && (currentGame.area != 10))
{
if (engine.targetArrowTimer == -1 && currentGame.difficulty < DIFFICULTY_HARD) {
engine.targetArrowTimer = -2;
setInfoLine("Showing all targets", FONT_WHITE);
} else if (engine.targetArrowTimer < 0) {
engine.targetArrowTimer = 0;
setInfoLine("Disabled target arrows", FONT_WHITE);
} else {
engine.targetArrowTimer = -1;
setInfoLine("Showing mission target", FONT_WHITE);
}
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engine.keyState[KEY_TARGET] = 0;
}
if ((engine.missionCompleteTimer == 0) && (engine.targetArrowTimer == -1))
{
if ((enemy[engine.targetIndex].shield < 1) && (currentGame.area != 10))
{
engine.targetIndex = rand() % MAX_ALIENS;
if (enemy[engine.targetIndex].flags & FL_FRIEND)
engine.targetIndex = 0;
else
setTarget(engine.targetIndex);
}
}
if (((currentGame.area == 18) && (enemy[WC_BOSS].shield > 0)) || (currentGame.area == 24))
player.face = 0;
if (engine.done == 0)
{
limitFloat(&player.x, viewBorder, screen->w - viewBorder);
limitFloat(&player.y, viewBorder, screen->h - viewBorder);
}
if (player.shield > engine.lowShield)
addEngine(&player);
shapeToUse = player.face;
if (player.hit)
shapeToUse += SHIP_HIT_INDEX;
limitCharAdd(&player.hit, -1, 0, 100);
blit(shipShape[shapeToUse], (int)player.x, (int)player.y);
if ((player.shield <= engine.lowShield) && (rand() % 5 < 1))
addExplosion(player.x + rrand(-10, 10), player.y + rrand(-10, 20), E_SMOKE);
}
else
{
player.active = false;
player.shield--;
if (player.shield == -1)
{
if ((currentGame.hasWingMate1) || (enemy[WC_KLINE].active))
getPlayerDeathMessage();
// Make it look like the ships are all still moving...
if (currentGame.area == 18)
{
for (int i = 0 ; i < MAX_ALIENS ; i++)
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enemy[i].flags |= FL_LEAVESECTOR;
}
playSound(SFX_DEATH, player.x);
playSound(SFX_EXPLOSION, player.x);
}
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engine.keyState[KEY_UP] = engine.keyState[KEY_DOWN] = engine.keyState[KEY_LEFT] = engine.keyState[KEY_RIGHT] = 0;
if ((rand() % 3) == 0)
addExplosion(player.x + rrand(-10, 10), player.y + rrand(-10, 10), E_BIG_EXPLOSION);
if (player.shield == -99)
addDebris((int)player.x, (int)player.y, player.maxShield);
}
}
limitFloat(&engine.ssx, -3, 3);
limitFloat(&engine.ssy, -3, 3);
// Specific for the mission were you have to chase the Executive Transport
if ((currentGame.area == 18) && (enemy[WC_BOSS].shield > 0) && (player.shield > 0))
{
engine.ssx = -6;
engine.ssy = 0;
}
if (currentGame.area == 24)
{
engine.ssx = -6;
engine.ssy = 0;
}
player.dx = engine.ssx;
player.dy = engine.ssy;
}
void flushInput()
{
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for (int i = 0; i < KEY_LAST; i++)
engine.keyState[i] = 0;
while (SDL_PollEvent(&engine.event)){}
}
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static enum keys mapkey(uint32_t code) {
switch (code) {
case SDLK_UP:
return KEY_UP;
case SDLK_DOWN:
return KEY_DOWN;
case SDLK_LEFT:
return KEY_LEFT;
case SDLK_RIGHT:
return KEY_RIGHT;
case SDLK_LCTRL:
case SDLK_RCTRL:
return KEY_FIRE;
case SDLK_SPACE:
return KEY_ALTFIRE;
case SDLK_t:
return KEY_TARGET;
case SDLK_LSHIFT:
case SDLK_RSHIFT:
return KEY_SWITCH;
case SDLK_p:
return KEY_PAUSE;
case SDLK_ESCAPE:
return KEY_ESCAPE;
case SDLK_F11:
return KEY_FULLSCREEN;
default:
return KEY_DUMMY;
}
}
void getPlayerInput()
{
while (SDL_PollEvent(&engine.event))
{
switch (engine.event.type)
{
case SDL_QUIT:
exit(0);
break;
case SDL_MOUSEBUTTONDOWN:
if (engine.gameSection == SECTION_INTERMISSION)
{
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if (engine.event.button.button == SDL_BUTTON_LEFT) engine.keyState[KEY_FIRE] = 1;
if (engine.event.button.button == SDL_BUTTON_RIGHT) engine.keyState[KEY_ALTFIRE] = 1;
}
break;
case SDL_KEYDOWN:
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//TODO: reenable somehow?
//if (engine.gameSection == SECTION_TITLE)
// addKeyEvent(SDL_GetKeyName(engine.event.key.keysym.sym));
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engine.keyState[mapkey(engine.event.key.keysym.sym)] = 1;
if (engine.gameSection != SECTION_GAME)
engine.paused = false;
break;
case SDL_KEYUP:
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if (engine.event.key.keysym.sym != SDLK_p && engine.event.key.keysym.sym != SDLK_t)
engine.keyState[mapkey(engine.event.key.keysym.sym)] = 0;
break;
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
switch (engine.event.jbutton.button)
{
case 0:
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engine.keyState[KEY_FIRE] = engine.event.jbutton.state;
break;
case 1:
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engine.keyState[KEY_ALTFIRE] = engine.event.jbutton.state;
break;
case 2:
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engine.keyState[KEY_SWITCH] = engine.event.jbutton.state;
break;
case 3:
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engine.keyState[KEY_TARGET] = engine.event.jbutton.state;
break;
}
break;
case SDL_JOYHATMOTION:
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engine.keyState[KEY_UP] = engine.event.jhat.value & SDL_HAT_UP;
engine.keyState[KEY_DOWN] = engine.event.jhat.value & SDL_HAT_DOWN;
engine.keyState[KEY_LEFT] = engine.event.jhat.value & SDL_HAT_LEFT;
engine.keyState[KEY_RIGHT] = engine.event.jhat.value & SDL_HAT_RIGHT;
break;
case SDL_JOYAXISMOTION:
static bool prevjoyup, prevjoydown, prevjoyleft, prevjoyright;
if (engine.event.jaxis.axis & 1) {
bool joyup = engine.event.jaxis.value < -16384;
bool joydown = engine.event.jaxis.value >= 16384;
if(joyup != prevjoyup)
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engine.keyState[KEY_UP] = prevjoyup = joyup;
if(joydown != prevjoydown)
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engine.keyState[KEY_DOWN] = prevjoydown = joydown;
} else {
bool joyleft = engine.event.jaxis.value < -16384;
bool joyright = engine.event.jaxis.value >= 16384;
if(joyleft != prevjoyleft)
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engine.keyState[KEY_LEFT] = prevjoyleft = joyleft;
if(joyright != prevjoyright)
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engine.keyState[KEY_RIGHT] = prevjoyright = joyright;
}
break;
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case SDL_WINDOWEVENT:
if(engine.event.window.event == SDL_WINDOWEVENT_FOCUS_LOST)
engine.paused = 1;
break;
}
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if (engine.keyState[KEY_FULLSCREEN])
{
engine.fullScreen = !engine.fullScreen;
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SDL_SetWindowFullscreen(window, engine.fullScreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
engine.keyState[KEY_FULLSCREEN] = 0;
}
}
if (engine.gameSection == SECTION_INTERMISSION)
{
// Get the current mouse position
static int px = -1, py = -1;
int x, y;
SDL_GetMouseState(&x, &y);
if (px == x && py == y) {
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if(engine.keyState[KEY_UP] && engine.cursor_y > 0)
engine.cursor_y -= 4;
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if(engine.keyState[KEY_DOWN] && engine.cursor_y < screen->h - 4)
engine.cursor_y += 4;
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if(engine.keyState[KEY_LEFT] && engine.cursor_x > 0)
engine.cursor_x -= 4;
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if(engine.keyState[KEY_RIGHT] && engine.cursor_x < screen->w - 4)
engine.cursor_x += 4;
} else {
engine.cursor_x = px = x;
engine.cursor_y = py = y;
}
}
}
void leaveSector()
{
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engine.keyState[KEY_UP] = engine.keyState[KEY_DOWN] = engine.keyState[KEY_LEFT] = engine.keyState[KEY_RIGHT] = 0;
engine.keyState[KEY_FIRE] = engine.keyState[KEY_ALTFIRE] = 0;
if (engine.done == 0)
engine.done = 3;
if (engine.done == 3)
{
player.face = 0;
if (player.x > -100)
{
player.x += engine.ssx;
engine.ssx -= 1;
if (player.y > screen->h)
player.y--;
if (player.y < screen->h)
player.y++;
}
if (player.x <= -100)
{
engine.done = 2;
playSound(SFX_FLY);
}
}
if (engine.done == 2)
{
player.face = 0;
player.x += 12;
engine.ssx -= 0.2;
if (player.x > (2 * screen->w))
engine.done = 1;
}
}