364 lines
6.6 KiB
C
364 lines
6.6 KiB
C
/*
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Copyright (C) 2015 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "battle.h"
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static void logic(void);
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static void draw(void);
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static void handleKeyboard(void);
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static void postBattle(void);
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void destroyBattle(void);
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static void doBattle(void);
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static void quitBattle(void);
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static void drawMenu(void);
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static void continueGame(void);
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static void resume(void);
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static void retry(void);
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static void start(void);
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static void options(void);
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static void returnFromOptions(void);
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static int show;
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void initBattle(void)
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{
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memset(&battle, 0, sizeof(Battle));
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battle.bulletTail = &battle.bulletHead;
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battle.entityTail = &battle.entityHead;
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battle.effectTail = &battle.effectHead;
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battle.objectiveTail = &battle.objectiveHead;
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battle.triggerTail = &battle.triggerHead;
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app.delegate.logic = &logic;
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app.delegate.draw = &draw;
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memset(&app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
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initStars();
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initBackground();
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initHud();
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initMissionInfo();
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show = SHOW_BATTLE;
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getWidget("ok", "startBattle")->action = start;
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getWidget("resume", "inBattle")->action = resume;
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getWidget("options", "inBattle")->action = options;
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getWidget("restart", "inBattle")->action = retry;
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getWidget("quit", "inBattle")->action = quitBattle;
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getWidget("continue", "battleWon")->action = continueGame;
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getWidget("retry", "battleWon")->action = retry;
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getWidget("retry", "battleLost")->action = retry;
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getWidget("quit", "battleLost")->action = quitBattle;
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selectWidget("ok", "startBattle");
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}
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static void logic(void)
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{
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if (battle.status == MS_IN_PROGRESS || battle.status == MS_COMPLETE || battle.status == MS_FAILED)
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{
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handleKeyboard();
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if (show == SHOW_BATTLE)
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{
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doBattle();
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}
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}
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doWidgets();
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}
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static void doBattle(void)
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{
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scrollBackground(-battle.ssx * 0.1, -battle.ssy * 0.1);
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doHud();
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doObjectives();
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if (player != NULL)
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{
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battle.ssx = player->dx;
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battle.ssy = player->dy;
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}
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else
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{
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battle.ssx *= 0.99;
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battle.ssy *= 0.99;
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}
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battle.planet.x -= (battle.ssx * 0.25);
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battle.planet.y -= (battle.ssy * 0.25);
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doStars(battle.ssx, battle.ssy);
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doBullets();
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doEntities();
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doEffects();
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doPlayer();
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if (battle.status != MS_IN_PROGRESS)
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{
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battle.missionFinishedTimer--;
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if (battle.missionFinishedTimer == 0)
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{
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if (battle.status == MS_COMPLETE)
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{
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selectWidget("continue", "battleWon");
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}
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else
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{
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selectWidget("retry", "battleLost");
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}
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}
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}
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battle.stats[STAT_TIME]++;
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if (battle.stats[STAT_TIME] % FPS == 0)
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{
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checkTrigger("TIME", TRIGGER_TIME);
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}
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}
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static void draw(void)
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{
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prepareScene();
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drawBackground(battle.background);
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drawStars();
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blit(battle.planetTexture, battle.planet.x, battle.planet.y, 1);
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drawBullets();
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drawEntities();
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drawEffects();
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drawHud();
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drawMissionInfo();
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switch (show)
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{
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case SHOW_MENU:
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drawMenu();
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break;
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case SHOW_OPTIONS:
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drawOptions();
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break;
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}
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presentScene();
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}
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static void drawMenu(void)
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{
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SDL_Rect r;
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SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_BLEND);
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SDL_SetRenderDrawColor(app.renderer, 0, 0, 0, 128);
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SDL_RenderFillRect(app.renderer, NULL);
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SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_NONE);
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r.w = 400;
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r.h = 400;
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r.x = (SCREEN_WIDTH / 2) - r.w / 2;
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r.y = (SCREEN_HEIGHT / 2) - r.h / 2;
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SDL_SetRenderDrawColor(app.renderer, 0, 0, 0, 0);
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SDL_RenderFillRect(app.renderer, &r);
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SDL_SetRenderDrawColor(app.renderer, 200, 200, 200, 255);
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SDL_RenderDrawRect(app.renderer, &r);
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drawWidgets("inBattle");
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}
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static void handleKeyboard(void)
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{
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if (app.keyboard[SDL_SCANCODE_ESCAPE])
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{
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switch (show)
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{
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case SHOW_BATTLE:
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case SHOW_OPTIONS:
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selectWidget("resume", "inBattle");
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show = SHOW_MENU;
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break;
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case SHOW_MENU:
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show = SHOW_BATTLE;
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break;
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case SHOW_OBJECTIVES:
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show = SHOW_BATTLE;
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break;
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}
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memset(app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
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playSound(SND_GUI_CLOSE);
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}
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if (app.keyboard[SDL_SCANCODE_TAB])
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{
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battle.status = MS_PAUSED;
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}
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}
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static void start(void)
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{
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battle.status = MS_IN_PROGRESS;
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}
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static void resume(void)
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{
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show = SHOW_BATTLE;
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memset(app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
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}
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static void continueGame(void)
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{
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postBattle();
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destroyBattle();
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resetHud();
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initGalacticMap();
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}
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static void options(void)
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{
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show = SHOW_OPTIONS;
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initOptions(returnFromOptions);
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}
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static void returnFromOptions(void)
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{
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show = SHOW_MENU;
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selectWidget("resume", "inBattle");
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}
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static void retry(void)
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{
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postBattle();
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destroyBattle();
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resetHud();
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initBattle();
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loadMission(game.currentMission->filename);
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}
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static void quitBattle(void)
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{
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postBattle();
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destroyBattle();
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resetHud();
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initGalacticMap();
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}
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static void postBattle(void)
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{
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int i;
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/* we don't want to count the time when adding up stats */
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for (i = 0 ; i < STAT_TIME ; i++)
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{
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game.stats[i] += battle.stats[i];
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}
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if (game.currentMission && !game.currentMission->completed)
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{
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game.currentMission->completed = (battle.status == MS_COMPLETE || !battle.numObjectivesTotal);
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}
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}
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void destroyBattle(void)
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{
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Entity *ent;
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Bullet *b;
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Effect *e;
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Objective *o;
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Trigger *t;
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while (battle.entityHead.next)
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{
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ent = battle.entityHead.next;
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battle.entityHead.next = ent->next;
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free(ent);
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}
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battle.entityTail = &battle.entityHead;
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while (battle.bulletHead.next)
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{
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b = battle.bulletHead.next;
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battle.bulletHead.next = b->next;
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free(b);
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}
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battle.bulletTail = &battle.bulletHead;
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while (battle.effectHead.next)
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{
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e = battle.effectHead.next;
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battle.effectHead.next = e->next;
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free(e);
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}
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battle.effectTail = &battle.effectHead;
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while (battle.objectiveHead.next)
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{
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o = battle.objectiveHead.next;
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battle.objectiveHead.next = o->next;
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free(o);
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}
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battle.objectiveTail = &battle.objectiveHead;
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while (battle.triggerHead.next)
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{
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t = battle.triggerHead.next;
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battle.triggerHead.next = t->next;
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free(t);
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}
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battle.triggerTail = &battle.triggerHead;
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}
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